References of "Scientific journals"      in Complete repository Arts & humanities   Archaeology   Art & art history   Classical & oriental studies   History   Languages & linguistics   Literature   Performing arts   Philosophy & ethics   Religion & theology   Multidisciplinary, general & others Business & economic sciences   Accounting & auditing   Production, distribution & supply chain management   Finance   General management & organizational theory   Human resources management   Management information systems   Marketing   Strategy & innovation   Quantitative methods in economics & management   General economics & history of economic thought   International economics   Macroeconomics & monetary economics   Microeconomics   Economic systems & public economics   Social economics   Special economic topics (health, labor, transportation…)   Multidisciplinary, general & others Engineering, computing & technology   Aerospace & aeronautics engineering   Architecture   Chemical engineering   Civil engineering   Computer science   Electrical & electronics engineering   Energy   Geological, petroleum & mining engineering   Materials science & engineering   Mechanical engineering   Multidisciplinary, general & others Human health sciences   Alternative medicine   Anesthesia & intensive care   Cardiovascular & respiratory systems   Dentistry & oral medicine   Dermatology   Endocrinology, metabolism & nutrition   Forensic medicine   Gastroenterology & hepatology   General & internal medicine   Geriatrics   Hematology   Immunology & infectious disease   Laboratory medicine & medical technology   Neurology   Oncology   Ophthalmology   Orthopedics, rehabilitation & sports medicine   Otolaryngology   Pediatrics   Pharmacy, pharmacology & toxicology   Psychiatry   Public health, health care sciences & services   Radiology, nuclear medicine & imaging   Reproductive medicine (gynecology, andrology, obstetrics)   Rheumatology   Surgery   Urology & nephrology   Multidisciplinary, general & others Law, criminology & political science   Civil law   Criminal law & procedure   Criminology   Economic & commercial law   European & international law   Judicial law   Metalaw, Roman law, history of law & comparative law   Political science, public administration & international relations   Public law   Social law   Tax law   Multidisciplinary, general & others Life sciences   Agriculture & agronomy   Anatomy (cytology, histology, embryology...) & physiology   Animal production & animal husbandry   Aquatic sciences & oceanology   Biochemistry, biophysics & molecular biology   Biotechnology   Entomology & pest control   Environmental sciences & ecology   Food science   Genetics & genetic processes   Microbiology   Phytobiology (plant sciences, forestry, mycology...)   Veterinary medicine & animal health   Zoology   Multidisciplinary, general & others Physical, chemical, mathematical & earth Sciences   Chemistry   Earth sciences & physical geography   Mathematics   Physics   Space science, astronomy & astrophysics   Multidisciplinary, general & others Social & behavioral sciences, psychology   Animal psychology, ethology & psychobiology   Anthropology   Communication & mass media   Education & instruction   Human geography & demography   Library & information sciences   Neurosciences & behavior   Regional & inter-regional studies   Social work & social policy   Sociology & social sciences   Social, industrial & organizational psychology   Theoretical & cognitive psychology   Treatment & clinical psychology   Multidisciplinary, general & others     Showing results 901 to 1000 of 56097     5 6 7 8 9 10 11 12 13 14 15     Acquisition forcée de la mitoyenneté : prise de possession versus réalisation de travaux dans les règles de l'artPopa, Ruxandra in Revue de Jurisprudence de Liège, Mons et Bruxelles (2016), 2016(2), 55Detailed reference viewed: 11 (0 ULg) Determinants of vitamin D supplementation prescription in nursing homes: a survey among general practitionersBuckinx, Fanny ; Reginster, Jean-Yves ; Cavalier, Etienne et alin Osteoporosis International (2016), 27Abstract Summary A total of 119 GPs participated to a survey aimed to assess the profile and determinants of vitamin D supplementation prescription in nursing homes. Among the respondent GPs, 65 (54.6 ... [more ▼]Abstract Summary A total of 119 GPs participated to a survey aimed to assess the profile and determinants of vitamin D supplementation prescription in nursing homes. Among the respondent GPs, 65 (54.6 %) systematically prescribe vitamin D to their institutionalized patients and the 54 (45.4 %) others prescribe only sometimes. Introduction The aim of this study is to assess the profile and determinants of vitamin D supplementation prescription in nursing homes. Methods General practitioners (GPs) having at least one patient in a nursing home in Liège, Belgium, were asked to complete the survey. Results A total of 119 GPs participated in the survey. Among the respondent GPs, 65 (54.6 %) systematically prescribe vitamin D to their institutionalized patients and the 54 (45.4 %) others prescribe only sometimes. The main reasons for prescribing vitamin D cited by GPs who do so systematically are as follows: because they believe nursing home residents are mostly deficient in vitamin D status (92.1 %), because they believe that vitamin D supplementation prevents osteoporotic fractures (77.8 %), and because vitamin D supplementation is recommended by various scientific societies (38.1 %). GPs who only prescribe vitamin D supplementation in some patients mainly do so following a diagnosis of osteoporosis (82.4 %), on the basis the 25(OH)D level (78.4 %), in the case of history of fracture (54.9 %) or after a recent fracture (43.4 %). Surprisingly, 16 physicians (31.4 %) only prescribe vitamin D when they think of it. Interestingly, while 40.7% of GPs always prescribe the same dose of vitamin D, the remaining 59.3 % prescribe a dose that will mainly depend on the results of the 25(OH)D level (94.0 %), the patient’s bone health (49.3 %), or history of fracture (43.3 %). Conclusions More than half of GPs systematically prescribe vitamin D to their patients living in nursing homes. The other GPs usually prescribe vitamin D following the result of the vitamin D status or after a diagnosis of osteoporosis. [less ▲]Detailed reference viewed: 49 (26 ULg) Characterizing the morphology of suburban settlements: a method based on a semi-automatic classification of building clustersde Smet, Fabian; Teller, Jacques in Landscape Research (2016), 41(1), 113-130Urban sprawl is transforming our landscapes and rural areas at a spectacular pace. Measuring the strength of the phenomenon and proposing dynamic ways to delineate suburban areas have been the object of ... [more ▼]Urban sprawl is transforming our landscapes and rural areas at a spectacular pace. Measuring the strength of the phenomenon and proposing dynamic ways to delineate suburban areas have been the object of much debate amongst scientists. The present article takes the view that, beyond measuring and delineating suburban areas, more efforts should be directed to qualifying the morphology of built settlements within these areas. Therefore it proposes a method based on a semi-automatic classification system of building clusters, designed to describe and interpret the phenomenon from a morphological perspective. This method is based on a combination of field surveys with numerical analyses of digital land cadastre maps. The application of this classification system to the suburban area around Liege reveals that, far from developing in a complete indifference of local conditions, contemporary suburban settlements are influenced by landscape structures inherited from the past. [less ▲]Detailed reference viewed: 118 (15 ULg) Dynamical thermalization in Bose-Hubbard systemsSchlagheck, Peter ; Shepelyansky, Dima L.in Physical Review. E : Statistical, Nonlinear, and Soft Matter Physics (2016), 93We numerically study a Bose-Hubbard ring of finite size with disorder containing a finite number of bosons that are subject to an on-site two-body interaction. Our results show that moderate interactions ... [more ▼]We numerically study a Bose-Hubbard ring of finite size with disorder containing a finite number of bosons that are subject to an on-site two-body interaction. Our results show that moderate interactions induce dynamical thermalization in this isolated system. In this regime the individual many-body eigenstates are well described by the standard thermal Bose-Einstein distribution for well-defined values of the temperature and the chemical potential, which depend on the eigenstate under consideration. We show that the dynamical thermalization conjecture works well at both positive and negative temperatures. The relations to quantum chaos, quantum ergodicity, and the Åberg criterion are also discussed. [less ▲]Detailed reference viewed: 13 (1 ULg) An Economic Appraisal of MOOC Platforms: Business Models and Impacts on Higher EducationJacqmin, Julien ; belleflamme, paulin CESifo Economic Studies (2016), 62(1), 148-169We use various economic and pedagogical concepts to understand the specificities of MOOC (Massive Online Open Courses) platforms. We discuss how the private provision of MOOCs can be sustained. Using the ... [more ▼]We use various economic and pedagogical concepts to understand the specificities of MOOC (Massive Online Open Courses) platforms. We discuss how the private provision of MOOCs can be sustained. Using the theory of multisided platforms, we analyze five ways to monetize the MOOC business. We then claim that MOOC platforms can play a key transformative role in the higher education sector by making teaching practices evolve, rather than by replacing incumbent institutions. Finally, we derive a number of directions for public policy [less ▲]Detailed reference viewed: 39 (3 ULg) L'intentionnalité cognitive et ses modes. Reinach critique de BrentanoDewalque, Arnaud in Philosophie (2016), 128Dans cet article, je suggère que la théorie reinachienne du jugement peut être vue comme une contribution à une théorie générale de l’intentionnalité cognitive et de ses modes. À cette fin, je focaliserai ... [more ▼]Dans cet article, je suggère que la théorie reinachienne du jugement peut être vue comme une contribution à une théorie générale de l’intentionnalité cognitive et de ses modes. À cette fin, je focaliserai mon attention sur certaines divergences significatives entre Reinach et Brentano. Après quelques réflexions introductives (§§ 1-2), j’examinerai plus exactement les questions suivantes : quels sont les motifs théoriques qui ont conduit Reinach à s’écarter de la théorie brentanienne du jugement (§§ 3-4) ? Et que retenir de ses analyses aujourd’hui (§§ 5-6) ? [less ▲]Detailed reference viewed: 101 (3 ULg) The Relationship between the Profile of Manager and Management Accounting Practices in Tunisian SMIsGhorbel, Jihene in International Journal of Academic Research in Accounting, Finance and Management Sciences (2016), 6(1), 61-72In today’s changing environment, SMEs must strengthen their competitiveness and credibility with all their external partners. So to survive and prosper, managers need adequate management practices in ... [more ▼]In today’s changing environment, SMEs must strengthen their competitiveness and credibility with all their external partners. So to survive and prosper, managers need adequate management practices in order to provide relevant accounting information. This paper examines the effect of profile of manager on management accounting practices which was defined in terms of traditional management accounting, modern management accounting and management accounting practices related to export. As to the profile of manager, it is defined by age, type of training and experience. To validate the hypotheses, a multiple linear regression method is used. The data is collected by questionnaire from 221 Tunisian manufacturing SMEs. The findings indicate that the profile of manager affect in part the use of management accounting practices. [less ▲]Detailed reference viewed: 27 (4 ULg) archiDART: an R package for the automated computation of plant root architectural traitsDelory, Benjamin ; Baudson, Caroline ; Brostaux, Yves et alin Plant and Soil (2016), 398(1), 351-365Background and Aims In order to analyse root system architectures (RSAs) from captured images, a variety of manual (e.g. Data Analysis of Root Tracings, DART), semi-automated and fully automated software ... [more ▼]Background and Aims In order to analyse root system architectures (RSAs) from captured images, a variety of manual (e.g. Data Analysis of Root Tracings, DART), semi-automated and fully automated software packages have been developed. These tools offer complementary approaches to study RSAs and the use of the Root System Markup Language (RSML) to store RSA data makes the comparison of measurements obtained with different (semi-) automated root imaging platforms easier. The throughput of the data analysis process using exported RSA data, however, should benefit greatly from batch analysis in a generic data analysis environment (R software). Methods We developed an R package (archiDART) with five functions. It computes global RSA traits, root growth rates, root growth directions and trajectories, and lateral root distribution from DART-generated and/or RSML files. It also has specific plotting functions designed to visualise the dynamics of root system growth. Results The results demonstrated the ability of the package’s functions to compute relevant traits for three contrasted RSAs (Brachypodium distachyon [L.] P. Beauv., Hevea brasiliensis Müll. Arg. and Solanum lycopersicum L.). Conclusions This work extends the DART software package and other image analysis tools supporting the RSML format, enabling users to easily calculate a number of RSA traits in a generic data analysis environment. [less ▲]Detailed reference viewed: 97 (19 ULg) Small-Angle Neutron Scattering investigation of cholesterol-doped DMPC liposomes interacting with β-cyclodextrinJoset, Arnaud ; Grammenos, Angeliki; Hoebeke, Maryse et alin Journal of Inclusion Phenomena and Macrocyclic Chemistry (2016), 84(1), 153-161The Small-Angle Neutron Scattering technique (SANS) has been applied to characterize the influence of a randomly methylated β–cyclodextrin (CD), called RAMEB, on dimyristoylphosphatidylcholine (DMPC ... [more ▼]The Small-Angle Neutron Scattering technique (SANS) has been applied to characterize the influence of a randomly methylated β–cyclodextrin (CD), called RAMEB, on dimyristoylphosphatidylcholine (DMPC) liposomes doped with cholesterol. From the modelling of the experimental neutron scattering crosssections, the detailed response of the vesicle structure upon addition of increasing amounts of RAMEB up to 30 mM has been assessed. This study has been performed below and above the DMPC bilayer phase transition temperature and shows that cholesterol extraction by RAMEB is linked to a decrease of the average radius and of the aggregation number of the vesicles. This extraction takes place in a dose-dependent way until a more monodisperse population of cholesterol-free liposomes was obtained. In addition, the bilayer thickness evolution was inferred, as well as the liposome coverage by RAMEB. [less ▲]Detailed reference viewed: 23 (5 ULg) Pre-employement examination for low back risk in workers exposesd to manual handling of loads : French guidelinesPETIT, Audrey; ROUSSEAU, Sandrine; HUEZ, Jean-François et alin International Archives of Occupational and Environmental Health (2016), 89Detailed reference viewed: 35 (1 ULg) Nos différences, une richesseRADERMECKER, Régis in Revue de l'Association Belge du Diabète (2016), 59Detailed reference viewed: 6 (1 ULg) L'observation foncière en France, à Bruxelles et en FlandreHendrickx, Sébastien ; Sarciat, Jordane ; Halleux, Jean-Marie in Notes de recherche - Conférence Permanente du Développement Territorial Région Wallonne (2016), 64Depuis quelques années, un intérêt accru se développe pour l’observation des marchés fonciers et la recherche de gisements fonciers, indispensables à une mise en œuvre efficace des politiques ... [more ▼]Depuis quelques années, un intérêt accru se développe pour l’observation des marchés fonciers et la recherche de gisements fonciers, indispensables à une mise en œuvre efficace des politiques d’aménagement du territoire et des politiques sectorielles. La note de recherche n° 64 s’intéresse aux pratiques d’observation dans les territoires adjacents à la Wallonie et plus exactement aux outils développés en France, en Flandre et en Région de Bruxelles-Capitale. L’analyse de ces différents cas a mis en exergue l'avance évidente de nos voisins sur ces problématiques et permet d'apprécier l’utilité d’une connaissance territoriale accrue pour l’élaboration des stratégies de développement territorial et pour la prise de décision politique. Elle aboutit à diverses recommandations relatives à l’amélioration du système d’informations foncières et des politiques foncières en Wallonie. [less ▲]Detailed reference viewed: 75 (14 ULg) Re-visiting plant plasma membrane lipids in tobacco: a focus on sphingolipidsCacas, Jean Luc; Buré, Corinne; Grosjean, Kevin et alin Plant Physiology (2016), 170Detailed reference viewed: 24 (2 ULg) Đánh giá tiềm năng bã rượu làm thức ăn chăn nuôi lợn nông hộ tại ba tỉnh phía BắcNguyen Cong, Oanh ; Pham Kim, Dang; Vu Dinh, Ton et alin Journal of Science and Development (2016), 14(1), 79-86In order to evaluate the potential of the rice distiller’s by-product for use as feed, the chemical composition and nutritive value, and its utilisation in pig production, 120 rice alcohol producers were ... [more ▼]In order to evaluate the potential of the rice distiller’s by-product for use as feed, the chemical composition and nutritive value, and its utilisation in pig production, 120 rice alcohol producers were surveyed and 18 samples of rice distiller’s by-product were collected from 3 traditional alcohol villages belonging to 3 different provinces in the North of Viet Nam (Hai Duong, Hung Yen and Bac Giang). The study results showed that rice distillers’ by product was produced in large quantity and available the whole year round in households surveyed (8.266 kg DM/household/year). The majority of this by-product was used for pig production. The rice distiller’s by-product use in feed ration varied between 11- 40% DM and 11-50% DM for sows and fattening pigs, respectively. For the sows, this by-product used in diet gradually reduced from pregnancy to milking sows. For the fattening pigs, its by-product is used continuously from piglet to finishing stage. Rice distiller’s by-product was high in protein, NDF (% DM) and energy (28.18%, 29.93% and 4.866,67 kcal/kg, respectively) but low in dry matter (DM) (11.04%). The low pH value (3.19) and high lactic acid ratio (2.31 g/100 g sample) might help improve digestive health and prevent intestinal diseases. [less ▲]Detailed reference viewed: 36 (12 ULg) Projecting alternative urban growth patterns: The development and application of a remote sensing assisted calibration framework for the Greater Dublin AreaVan de Voorde, Tim; van der Kwast, Johannes; Poelmans, Lien et alin Ecological Indicators (2016), 60Land use change models are powerful tools that allow planners and policy makers to assess the long-term spatial and environmental impacts of their decisions. In order for these models to produce a ... [more ▼]Land use change models are powerful tools that allow planners and policy makers to assess the long-term spatial and environmental impacts of their decisions. In order for these models to produce a realistic output, they should be properly calibrated. This is usually achieved by comparing simulated land-use maps of dates in the past to reference land-use maps of a corresponding date. As land-use data are often not readily or frequently available, we propose a two-stage calibration framework that includes existing land-use maps as well as remote sensing derived maps of the urban extent. Urban growth patterns for the Dublin area represented by remote sensing based maps were compared to simulated growth using spatial metrics in order to fine-tune the calibration of the MOLAND urban growth model of Dublin. We then used the calibrated model to forecast future urban growth according to four urban planning scenarios that have been defined for the Strategic Environmental Assessment of the Greater Dublin Area. We examined a selection of spatial metrics in order to determine their sensitivity to differences in spatial patterns between simulated and remote sensing derived data. We also investigated whether these metrics are useful to characterise future changes in the urban spatial structure that ensue from the planning scenarios. We found that with the exception of some metrics that strongly respond to differences in the amount of urban land, most metrics showed similar trends for simulated and remote sensing derived maps. Most metrics were also able to distinguish the growth patterns induced by the different spatial planning scenarios. The “business as usual scenario” in particular showed a clearly distinct trend compared to the other scenarios. We could also conclude that the urban growth pattern of Dublin as observed from both the remote sensing derived maps and the simulated maps of future land use seems to confirm the theory of alternating phases of diffusive growth and coalescence. [less ▲]Detailed reference viewed: 40 (3 ULg) Effect of coil orientation on strength-duration time constant and I-wave activation with controllable pulse parameter transcranial magnetic stimulationD'Ostilio, Kevin ; Goetz, Stefan; Hannah, Ricci et alin Clinical Neurophysiology (2016), 1Objective: To compare the strength-duration (S-D) time constants of motor cortex structures activated by current pulses oriented posterior-anterior (PA) or anterior-posterior (AP) across the central ... [more ▼]Objective: To compare the strength-duration (S-D) time constants of motor cortex structures activated by current pulses oriented posterior-anterior (PA) or anterior-posterior (AP) across the central sulcus. Methods: Motor threshold and input–output curve, along with motor evoked potential (MEP) latencies, of first dorsal interosseus were determined at pulse widths of 30, 60, and 120 μs using a controllable pulse parameter (cTMS) device, with the coil oriented PA or AP. These were used to estimate the S-D time constant and we compared with data for responses evoked by cTMS of the ulnar nerve at the elbow. Results: The S-D time constant with PA was shorter than for AP stimulation (230.9 ± 97.2 vs. 294.2 ± 90.9 us; p<0.001). These values were similar to those calculated after stimulation of ulnar nerve (197 ± 47us). MEP latencies to AP, but not PA stimulation were affected by pulse width, showing longer latencies following short duration stimuli. Conclusion: PA and AP stimuli appear to activate the axons of neurons with different time constants. Short duration AP pulses are more selective than longer pulses in recruiting longer latency corticospinal output. [less ▲]Detailed reference viewed: 50 (3 ULg) Electrical resistivity tomography to monitor enhanced biodegradation of hydrocarbons with Rhodococcus erythropolis T902.1 at a pilot scaleMasy, Thibaut ; Caterina, David; Tromme, Oliver et alin Journal of Contaminant Hydrology (2016), 184Petroleum hydrocarbons (HC) represent the most widespread contaminants and in-situ bioremediation remains a competitive treatment in terms of cost and environmental concerns. However, the efficiency of ... [more ▼]Petroleum hydrocarbons (HC) represent the most widespread contaminants and in-situ bioremediation remains a competitive treatment in terms of cost and environmental concerns. However, the efficiency of such a technique (by biostimulation or bioaugmentation) strongly depends on the environment affected and is still difficult to predict a priori. In order to overcome these uncertainties, Electrical Resistivity Tomography (ERT) appears as a valuable non-invasive tool to detect soil heterogeneities and to monitor biodegradation. The main objective of this study was to isolate an electrical signal linked to an enhanced bacterial activity with ERT, in an aged HC-contaminated clayey loam soil. To achieve this, a pilot tank was built to mimic field conditions. Compared to a first insufficient biostimulation phase, bioaugmentation with Rhodococcus erythropolis T902.1 led to a HC depletion of almost 80% (6900 to 1600 ppm) in 3 months in the center of the contaminated zone, where pollutants were less bioavailable. In the meantime, lithological heterogeneities and microbial activities (growth and biosurfactant production) were successively discriminated by ERT images. In the future, this cost-effective technique should be more and more transferred to the field in order to monitor biodegradation processes and assist in selecting the most appropriate remediation technique. [less ▲]Detailed reference viewed: 98 (31 ULg) Does the Budyko curve reflect a maximum power state of hydrological systems? A backward analysisWesthoff, Martijn ; Zehe, Erwin; Archambeau, Pierre et alin Hydrology and Earth System Sciences (2016), 20Almost all catchments plot within a small envelope around the Budyko curve. This apparent behaviour suggests that organizing principles may play a role in the evolution of catchments. In this paper we ... [more ▼]Almost all catchments plot within a small envelope around the Budyko curve. This apparent behaviour suggests that organizing principles may play a role in the evolution of catchments. In this paper we applied the thermodynamic principle of maximum power as the organizing principle. In a top-down approach we derived mathematical formulations of the relation between relative wetness and gradients driving runoff and evaporation for a simple one-box model. We did this in an inverse manner such that when the conductances are optimized with the maximum power principle, the steady state behaviour of the model leads exactly to a point on the asymptotes of the Budyko curve. Subsequently, we added dynamics in forcing and actual evaporations, causing the Budyko curve to deviate from the asymptotes. Despite the simplicity of the model, catchment observations compare reasonably well with the Budyko curves subject to observed dynamics in rainfall and actual evaporation. Thus by constraining the model with the asymptotes of the Budyko curve we were able to derive more realistic values of the aridity and evaporation index without any calibration parameter. Future work should focus on better representing the boundary conditions of real catchments and eventually adding more complexity to the model. [less ▲]Detailed reference viewed: 46 (14 ULg) L’infraction d’obstacle à la surveillance sous le spectre du droit au silence et du droit de ne pas s’auto-incriminerMichiels, Olivier ; Falque, Géraldine in Orientations : la Revue du Droit Social et de la Gestion du Personnel (2016), (2006/1), 2-11L'article fait le point sur le contrôle de l’application des lois sociales par les inspecteurs sociaux et le délit d’obstacle à la surveillance envisagé sous l'angle du droit au silence et du droit de ne ... [more ▼]L'article fait le point sur le contrôle de l’application des lois sociales par les inspecteurs sociaux et le délit d’obstacle à la surveillance envisagé sous l'angle du droit au silence et du droit de ne pas s'auto-incriminer. Il envisage encore la cohabitation entre le délit d'obstacle et le droit au silence sous l’angle de la jurisprudence de la Cour européenne des droits de l’homme et du droit interne. [less ▲]Detailed reference viewed: 55 (6 ULg) Cross-Modal Decoding of Neural Patterns Associated with Working Memory: Evidence for Attention-Based Accounts of Working MemoryMajerus, Steve ; Cowan, Nelson; Peters, Frédéric et alin Cerebral Cortex (2016), 26Recent studies suggest common neural substrates involved in verbal and visual working memory (WM), interpreted as reflecting shared attention-based, short-term retention mechanisms. We used a machine ... [more ▼]Recent studies suggest common neural substrates involved in verbal and visual working memory (WM), interpreted as reflecting shared attention-based, short-term retention mechanisms. We used a machine-learning approach to determine more directly the extent to which common neural patterns characterize retention in verbal WM and visual WM. Verbal WM was assessed via a standard delayed probe recognition task for letter sequences of variable length. Visual WM was assessed via a visual array WM task involving the maintenance of variable amounts of visual information in the focus of attention. We trained a classifier to distinguish neural activation patterns associated with high- and low-visual WM load and tested the ability of this classifier to predict verbal WM load (high–low) from their associated neural activation patterns, and vice versa. We observed significant between-task prediction of load effects during WM maintenance, in posterior parietal and superior frontal regions of the dorsal attention network; in contrast, between-task prediction in sensory processing cortices was restricted to the encoding stage. Furthermore, between-task prediction of load effects was strongest in those participants presenting the highest capacity for the visual WM task. This study provides novel evidence for common, attention-based neural patterns supporting verbal and visual WM. [less ▲]Detailed reference viewed: 100 (24 ULg) Quand la force enfonce des portes ouvertes. Analyse du traitement de Star Wars Episode VII par la critique professionnelle et amateure.Krywicki, Boris in Culture, le Magazine Culturel de l'Université de Liège (2016)On a rarement aperçu des phénomènes cinématographiques de l’ampleur de Star Wars. La plupart des séances étaient déjà complètes plusieurs semaines avant la sortie du dernier épisode. Les spectateurs sont ... [more ▼]On a rarement aperçu des phénomènes cinématographiques de l’ampleur de Star Wars. La plupart des séances étaient déjà complètes plusieurs semaines avant la sortie du dernier épisode. Les spectateurs sont tous conquis en amont par ce messie monolithique. Quand il s'agit d'aborder un film-événement comme Star Wars, la critique de cinéma se cherche. Les timides tentatives de la rigide presse professionnelle qui hésite toujours à critiquer les productions hollywoodiennes font face à des vidéos de youtubeurs décomplexés. Cet article analyse les contrats de lecture de ces différents énonciateurs et le lecteur-modèle qu'ils envisagent pour traiter de Star Wars Episode VII. [less ▲]Detailed reference viewed: 55 (4 ULg) Later learning stages in procedural memory are impaired in children with Specific Language ImpairmentDesmottes, Lise ; Meulemans, Thierry ; Maillart, Christelle in Research in Developmental Disabilities (2016)Background According to the Procedural Deficit Hypothesis (PDH), difficulties in the procedural memory system may contribute to the language difficulties encountered by children with Specific Language ... [more ▼]Background According to the Procedural Deficit Hypothesis (PDH), difficulties in the procedural memory system may contribute to the language difficulties encountered by children with Specific Language Impairment (SLI). Most studies investigating the PDH have used the sequence learning paradigm; however these studies have principally focused on initial sequence learning in a single practice session. Aims The present study sought to extend these investigations by assessing the consolidation stage and longer-term retention of implicit sequence-specific knowledge in 42 children with or without SLI. Methods and procedures Both groups of children completed a serial reaction time task and were tested 24 h and one week after practice. Outcomes and results Results showed that children with SLI succeeded as well as children with typical development (TD) in the early acquisition stage of the sequence learning task. However, as training blocks progressed, only TD children improved their sequence knowledge while children with SLI did not appear to evolve any more. Moreover, children with SLI showed a lack of the consolidation gains in sequence knowledge displayed by the TD children. Conclusions and implications Overall, these results were in line with the predictions of the PDH and suggest that later learning stages in procedural memory are impaired in SLI. [less ▲]Detailed reference viewed: 57 (9 ULg) Comment je traite... la sténose aortique asymptomatiqueMEURICE, Caroline ; DULGHERU, Raluca Elena ; PIERARD, Luc in Revue Médicale de Liège (2016), (71), 6-10Detailed reference viewed: 31 (10 ULg) Overview of the Analytical Lifecycle of Supercritical Fluid Chromatography MethodsAndri, Bertyl ; Dispas, Amandine ; Marini Djang'Eing'A, Roland et alin American Journal of Analytical Chemistry (2016), 7Detailed reference viewed: 19 (3 ULg) Statistical analysis and multi-instrument overview of the quasi-periodic 1-hour pulsations in Saturn's outer magnetospherePalmaerts, Benjamin ; Roussos, E.; Krupp, N. et alin Icarus (2016), 271Detailed reference viewed: 17 (6 ULg) Xenobiotic and Immune-Relevant Molecular Biomarkers in Harbor Seals as Proxies for Pollutant Burden and Effects?Lehnert, Kristina; Ronnenberg, Katrin; Weijs, Liesbeth et alin Archives of Environmental Contamination & Toxicology (2016), 70(1), 106-120Harbor seals are exposed to increasing pressure caused by anthropogenic activities in their marine environment. Persistent organic pollutants (POPs) and trace elements are hazardous contaminants which ... [more ▼]Harbor seals are exposed to increasing pressure caused by anthropogenic activities in their marine environment. Persistent organic pollutants (POPs) and trace elements are hazardous contaminants which accumulate in tissues of harbor seals. POPs and trace elements can negatively affect the immune-system and have been reported e.g. to increase susceptibility to viral infections in seals. Biomarkers of the xenobiotic metabolism, cytokines and heat-shock-protein as cell mediators of the immune-system were established to evaluate the impact of environmental stressors on harbor seals. Harbor seals (n=54) were captured on sandbanks in the North Sea during 2009 to 2012. Medicals including hematology were performed, RNAlater blood samples were taken and analyzed using quantitative Polymerase Chain Reaction. Normalized transcript copy numbers were correlated to hematology and POP concentration in blood, and trace metals in blood and fur. [less ▲]Detailed reference viewed: 39 (13 ULg) Etude de cas: l'attentat au Musée juif de BruxellesDebras, François in Politique : Revue de Débats (2016), 93L’attaque soudaine d’un homme qui fait irruption dans un lieu public et tue quatre individus est angoissante. Les catastrophes, les drames et les malheurs qui frappent la société sont porteurs de ... [more ▼]L’attaque soudaine d’un homme qui fait irruption dans un lieu public et tue quatre individus est angoissante. Les catastrophes, les drames et les malheurs qui frappent la société sont porteurs de nombreuses questions : qui, comment, pourquoi, dans quel but,… ? Les théories du complot permettent de répondre à un besoin social, celui de comprendre. Le complot est d’autant plus attirant et convaincant qu’il apporte une réponse simple, globale et dépouillée de toute subtilité. [less ▲]Detailed reference viewed: 78 (18 ULg) A numerical study of hypoelastic and hyperelastic large strain viscoplastic Perzyna type modelsCareglio, Claudio; Canales Cardenas, Cristian ; García Garino, Carlos et alin Acta Mechanica (2016)For the case ofmetalswith large viscoplastic strains, it is necessary to define appropriate constitutive models in order to obtain reliable results from the simulations. In this paper, two large strain ... [more ▼]For the case ofmetalswith large viscoplastic strains, it is necessary to define appropriate constitutive models in order to obtain reliable results from the simulations. In this paper, two large strain viscoplastic Perzyna type models are considered. The first constitutive model has been proposed by Ponthot, and the elastic response is based on hypoelasticity. In this case, the kinematics of the constitutive model is based on the additive decomposition of the rate deformation tensor. The second constitutive model has been proposed by García Garino et al., and the elastic response is based on hyperelasticity. In this case, the kinematics of the constitutive model is based on the multiplicative decomposition of the deformation gradient tensor. In both cases, the resultant numerical models have been implemented in updated Lagrangian formulation. In this work, global and local numerical results of the mechanical response of both constitutive models are analyzed and discussed. To this end, numerical experiments are performed and different parameters of the constitutive models are tested in order to study the sensitivity of the resultant algorithms. In particular, the evolution of the reaction forces, the effective plastic strain, the deformed shapes and the sensitivity of the numerical results to the finite element mesh discretization have been compared and analyzed. The obtained results show that both models have a very good agreement and represent very well the characteristic of the viscoplastic constitutive model. [less ▲]Detailed reference viewed: 22 (5 ULg) Cost-effectiveness of personalized supplementation with vitamin D-rich dairy products in the prevention of osteoporotic fracturesEthgen, Olivier ; Hiligsmann, Mickaël; Burlet, Nansa et alin Osteoporosis International (2016), 27Summary: Titrated supplementations with vitamin D-fortified yogurt, based on spontaneous calcium and vitamin D intakes, can be cost-effective in postmenopausal women with or without increased risk of ... [more ▼]Summary: Titrated supplementations with vitamin D-fortified yogurt, based on spontaneous calcium and vitamin D intakes, can be cost-effective in postmenopausal women with or without increased risk of osteoporotic fractures. Introduction: The objective of this study is to assess the costeffectiveness of the vitamin D-fortified yogurt given to women with and without an increased risk of osteoporotic fracture. Methods: Avalidated cost-effectiveness microsimulation Markov model of osteoporosis management was used. Three personalized supplementation scenarios to reflect the Ca/Vit D needs taking into account the well-known variations in dietary habits and a possible pharmacological supplementation in Ca/ Vit D, given above or in combination with anti-osteoporosis medications: one yogurt per day, i.e., 400 mg of Ca+200 IU of Vit D (scenario 1 U), two yogurts per day, i.e., 800 mg of Ca+ 400 IU of Vit D (scenario 2 U), or three yogurts per day, i.e., 1, 200 mg of Ca+600 IU of Vit D (scenario 3 U). Results: One yogurt is cost-effective in the general population above the age of 70 years and in all age groups in women with low bone mineral density (BMD) or prevalent vertebral fracture (PVF). The daily intake of two yogurts is cost-effective above 80 years in the general population and above 70 years in the two groups of women at increased risk of fractures. However, an intake of three yogurts per day is only cost-effective above 80 years old in the general population, as well as in women with low BMD or PVF. Conclusions: Our study is the first economic analysis supporting the cost-effectiveness of dairy products, fortified with vitamin D, in the armamentarium against osteoporotic fractures. [less ▲]Detailed reference viewed: 18 (7 ULg) Gender differences in variability and extreme scores in an international contextBaye, Ariane ; Monseur, Christian in Large-scale Assessments in Education (2016), 4(1), This study examines gender differences in the variability of student performance in reading, mathematics and science. Twelve databases from IEA and PISA were used to analyze gender differences within an ... [more ▼]This study examines gender differences in the variability of student performance in reading, mathematics and science. Twelve databases from IEA and PISA were used to analyze gender differences within an international perspective from 1995 to 2015. Effect sizes and variance ratios were computed. The main results are as follows. (1) Gender differences vary by content area, students’ educational levels, and students’ proficiency levels. The gender differences at the extreme tails of the distribution are often more substantial than the gender differences at the mean. (2) Exploring the extreme tails of the distributions shows that the situation of the weakest males in reading is a real matter of concern. In mathematics and science, males are more frequently among the highest performing students. (3) The “greater male variability hypothesis” is confirmed. [less ▲]Detailed reference viewed: 31 (6 ULg) FLOR-ID: an interactive database of flowering-time gene networks in Arabidopsis thalianaBouché, Frédéric ; Lobet, Guillaume ; Tocquin, Pierre et alin Nucleic Acids Research (2016), 44(Database), 11671171Flowering is a hot topic in Plant Biology and important progress has been made in Arabidopsis thaliana toward unravelling the genetic networks involved. The increasing complexity and the explosion of ... [more ▼]Flowering is a hot topic in Plant Biology and important progress has been made in Arabidopsis thaliana toward unravelling the genetic networks involved. The increasing complexity and the explosion of literature however require development of new tools for information management and update. We therefore created an evolutive and interactive database of flowering time genes, named FLOR-ID (Flowering-Interactive Database), that is available freely at http://www.flor-id.org. The hand-curated database contains information on 306 genes and links to 1595 publications gathering the work of more than 4500 authors. Gene function and interactions within the flowering pathways were inferred from the analysis of related publications, included in the database and translated into interactive manually drawn snapshots. [less ▲]Detailed reference viewed: 215 (55 ULg) Apprendre à faire semblant. A propos de "Furyo" de Nagisa OshimaTomasovic, Dick in Mondes du cinéma (2016), 08Une analyse des préceptes qui gouvernent la mise en scène du film "Furyo" d’Oshima, en insistant particulièrement sur l'analyse de la bande sonore et la présence à l'écran de David Bowie et Ryuichi ... [more ▼]Une analyse des préceptes qui gouvernent la mise en scène du film "Furyo" d’Oshima, en insistant particulièrement sur l'analyse de la bande sonore et la présence à l'écran de David Bowie et Ryuichi Sakamoto. [less ▲]Detailed reference viewed: 12 (1 ULg) Effects of seed traits variation on seedling performance of the invasive weed, Ambrosia artemisiifolia L.Ortmans, William ; Mahy, Grégory ; Monty, Arnaud in Acta Oecologica: International Journal of Ecology (2016), 71Seedling performance can determine the survival of a juvenile plant and impact adult plant performance. Understanding the factors that may impact seedling performance is thus critical, especially for ... [more ▼]Seedling performance can determine the survival of a juvenile plant and impact adult plant performance. Understanding the factors that may impact seedling performance is thus critical, especially for annuals, opportunists or invasive plant species. Seedling performance can vary among mothers or populations in response to environmental conditions or under the influence of seed traits. However, very few studies have investigated seed traits variations and their consequences on seedling performance. Specifically, the following questions have been addressed by this work: 1) How the seed traits of the invasive Ambrosia artemisiifolia L. vary among mothers and populations, as well as along the latitude; 2) How do seed traits influence seedling performance; 3) Is the influence on seedlings temperature dependent. With seeds from nine Western Europe ruderal populations, seed traits that can influence seedling development were measured. The seeds were sown into growth chambers with warmer or colder temperature treatments. During seedling growth, performance-related traits were measured. A high variability in seed traits was highlighted. Variation was determined by the mother identity and population, but not latitude. Together, the temperature, population and the identity of the mother had an effect on seedling performance. Seed traits had a relative impact on seedling performance, but this did not appear to be temperature dependent. Seedling performance exhibited a strong plastic response to the temperature, was shaped by the identity of the mother and the population, and was influenced by a number of seed traits. [less ▲]Detailed reference viewed: 36 (9 ULg) Impact of three phtalate esters on the sexual reproduction of the Monogont rotifer, Brachionus calyciflorusCruciani, Valentina ; Iovine, Catherine; Thomé, Jean-Pierre et alin Ecotoxicology (2016), 25(1), 192-200Phthalate esters are widespread contaminants that can cause endocrine disruption in vertebrates. Studies showed that molecules with hormonal activities in vertebrates and invertebrates can affect asexual ... [more ▼]Phthalate esters are widespread contaminants that can cause endocrine disruption in vertebrates. Studies showed that molecules with hormonal activities in vertebrates and invertebrates can affect asexual and sexual reproduction in rotifers. We investigated the impact of di-hexylethyl phthalate (DEHP), di-butyl phthalate (DBP) and butylbenzyl phthalate (BBP), on the asexual and sexual reproduction of the freshwater monogonont rotifer Brachionus calyciflorus in order to determine a potential environmental risk for sexual reproduction. We observed that DEHP has no significant impact on both asexual and sexual reproduction up to 2 mg/L. DBP has a positive effect on asexual reproduction at concentrations from 0.05 to 1mg/L, but depresses it at 2 mg/L. Sexual reproduction is only affected with 2mg/L and the impact observed is negative. BBP displayed a negative impact on both asexual and sexual reproduction at 1 and 2 mg/L. However we showed that the impacts of BBP on fertilization rates observed are due to the decrease in population growth rates at these concentrations and are not due to a direct impact of BBP on the fertilization process. Similar conclusions are likely applicable to the impacts on mixis and production of cysts as well. Our results show that sexual reproduction in B. calyciflorus is not more sensitive than asexual reproduction to any of the substances tested which indicates the mode of action of these molecules is related to general toxicity, not to an interference with potential endocrine regulation of sexual reproduction. Comparison of effect concentrations and surface water contamination by phthalate esters suggests these compounds do not constitute a risk for these environments. [less ▲]Detailed reference viewed: 13 (3 ULg) Automatic artifacts and arousals detection in whole-night sleep EEG recordingsCoppieters't Wallant, Dorothée ; Muto, Vincenzo ; Gaggioni, Giulia et alin Journal of Neuroscience Methods (2016), 258In sleep electroencephalographic (EEG) signals, artifacts and arousals marking are usually part of the processing. This visual inspection by a human expert has two main drawbacks: it is very time ... [more ▼]In sleep electroencephalographic (EEG) signals, artifacts and arousals marking are usually part of the processing. This visual inspection by a human expert has two main drawbacks: it is very time consuming and subjective. To detect artifacts and arousals in a reliable, systematic and reproducible automatic way, we developed an automatic detection based on time and frequency analysis with adapted thresholds derived from data themselves. The automatic detection performance is assessed using 5 statistic parameters, on 60 whole night sleep recordings coming from 35 healthy volunteers (male and female) aged between 19 and 26. The proposed approach proves its robustness against inter- and intra-, subjects and raters’ scorings, variability. The agreement with human raters is rated overall from substantial to excellent and provides a significantly more reliable method than between human raters. Existing methods detect only specific artifacts or only arousals, and/or these methods are validated on short episodes of sleep recordings, making it difficult to compare with our whole night results. The method works on a whole night recording and is fully automatic, reproducible, and reliable. Furthermore the implementation of the method will be made available online as open source code. [less ▲]Detailed reference viewed: 61 (21 ULg) Le cas tunisienNachi, Mohamed in Revue Nouvelle (2016), 71(1), 61-68Mise en exergue de l'importance du rôle du compromis dans la transition démocratique en TunisieDetailed reference viewed: 14 (0 ULg) 2D dynamic studies combined with the surface curvature analysis to predict Arias Intensity amplificationTorgoev, Almazbek ; Havenith, Hans-Balder in Journal of Seismology (2016)A 2D elasto-dynamic modelling of the pure topographic seismic response is performed for six models with a total length of around 23.0 km. These models are reconstructed from the real topographic settings ... [more ▼]A 2D elasto-dynamic modelling of the pure topographic seismic response is performed for six models with a total length of around 23.0 km. These models are reconstructed from the real topographic settings of the landslide-prone slopes situated in the Mailuu-Suu River Valley, Southern Kyrgyzstan. The main studied parameter is the Arias Intensity (Ia, m/sec), which is applied in the GIS-based Newmark method to regionally map the seismically-induced landslide susceptibility. This method maps the Ia values via empirical attenuation laws and our studies investigate a potential to include topographic input into them. Numerical studies analyse several signals with varying shape and changing central frequency values. All tests demonstrate that the spectral amplification patterns directly affect the amplification of the Ia values. These results let to link the 2D distribution of the topographically amplified Ia values with the parameter called as smoothed curvature. The amplification values for the low-frequency signals are better correlated with the curvature smoothed over larger spatial extent, while those values for the high-frequency signals are more linked to the curvature with smaller smoothing extent. The best predictions are provided by the curvature smoothed over the extent calculated according to Geli’s law. The sample equations predicting the Ia amplification based on the smoothed curvature are presented for the sinusoid-shape input signals. These laws cannot be directly implemented in the regional Newmark method, as 3D amplification of the Ia values addresses more problem complexities which are not studied here. Nevertheless, our 2D results prepare the theoretical framework which can potentially be applied to the 3D domain and, therefore, represent a robust basis for these future research targets. [less ▲]Detailed reference viewed: 14 (1 ULg) Breakdown of Anderson localization in the transport of Bose-Einstein condensates through one-dimensional disordered potentialsDujardin, Julien ; Engl, Thomas; Schlagheck, Peter in Physical Review A (2016), 93We study the transport of an interacting Bose–Einstein condensate through a 1D correlated disorder potential. We use for this purpose the truncated Wigner method, which is, as we show, corresponding to ... [more ▼]We study the transport of an interacting Bose–Einstein condensate through a 1D correlated disorder potential. We use for this purpose the truncated Wigner method, which is, as we show, corresponding to the diagonal approximation of a semiclassical van Vleck–Gutzwiller representation of this many-body transport process. We also argue that semiclassical corrections beyond this diagonal approximation are vanishing under disorder average, thus confirming the validity of the truncated Wigner method in this context. Numerical calculations show that, while for weak atom-atom interaction strengths Anderson localization is preserved with a slight modification of the localization length, for larger interaction strengths a crossover to a delocalized regime exists due to inelastic scattering. In this case, the transport is fully incoherent. [less ▲]Detailed reference viewed: 27 (6 ULg) Provenance of Ichthyosaura alpestris (Caudata: Salamandridae) introductions to France and New Zealand assessed by mitochondrial DNA analysisArntzen, Jan W.; King, Tania M.; Denoël, Mathieu et alin The Herpetological Journal (2016), 26(1), 49-56The last century has seen an unparalleled movement of species around the planet as a direct result of human activity, which has been a major contributor to the biodiversity crisis. Amphibians represent a ... [more ▼]The last century has seen an unparalleled movement of species around the planet as a direct result of human activity, which has been a major contributor to the biodiversity crisis. Amphibians represent a particularly vulnerable group, exacerbated by the devastating effects of chytrid fungi. We report the malicious translocation and establishment of the alpine newt (Ichthyosaura alpestris) to its virtual antipode in North Island of New Zealand. We use network analysis of mitochondrial DNA haplotypes to identify the original source population as I. a. apuana from Tuscany, Italy. Additionally, a population in southern France, presumed to be introduced, is identified as I. a. alpestris from western Europe. However, the presence of two differentiated haplotypes suggests a mixed origin. This type of analysis is made possible by the recent availability of a phylogenetic analysis of the species throughout its natural range. We discuss the particulars of both introductions. [less ▲]Detailed reference viewed: 398 (25 ULg) Shaping Pulses to Control Bistable Systems: Analysis, Computation and CounterexamplesSootla, Aivar ; Oyarzun, Diego; Angeli, David et alin Automatica (2016), 63Detailed reference viewed: 9 (2 ULg) Compte-rendu de : GÉRARD E., DE RIDDER W., MULLER F., Qui a tué Julien Lahaut ? Les ombres de la Guerre Froide en Belgique, Bruxelles, La Renaissance du Livre, 2015, 352 p.Genin, Vincent in Bulletin d'Information de l'Association Belge d'Histoire Contemporaine = Mededelingenblad van de Belgische Vereniging voor Nieuwste Geschiedenis (2016), XXXVII(2015/4), 21-24Detailed reference viewed: 31 (1 ULg) Performance characteristics of the VIDAS 25-OH Vitamin D total assay - comparison with four immunoassays and two liquid chromatography-tandem mass spectrometry methods in a multicentric studyMoreau, E; Bächer, S; Mery, S et alin Clinical Chemistry & Laboratory Medicine (2016)Background: The study was conducted to evaluate the analytical and clinical performance of the VIDAS® 25-OH Vitamin D Total assay. The clinical performance of the assay was compared with four other ... [more ▼]Background: The study was conducted to evaluate the analytical and clinical performance of the VIDAS® 25-OH Vitamin D Total assay. The clinical performance of the assay was compared with four other immunoassays against the results of two different liquid chromatography/ mass spectrometry methods (LC-MS/MS) standardized to NIST reference materials. Methods: VIDAS® 25-OH Vitamin D Total assay precision, linearity, detection limits and sample matrix comparison were assessed following CLSI guidelines. For method comparison, a total of 150 serum samples ranging from 7 to 92 ng/mL were analyzed by all the methods. Correlation was studied using Passing-Bablok regression and Bland- Altman analysis. The concordance correlation coefficient (CCC) was calculated to evaluate agreement between immunoassays and the reference LC-MS/MS method. In addition, samples containing endogenous 25(OH)D2 were used to assess each immunoassay’s ability to detect this analyte. Pregnancy and hemodialysis samples were used to the study the effect of vitamin D binding protein (DBP) concentration over VIDAS® assay performance. Results: The VIDAS® 25-OH Vitamin D Total assay showed excellent correlation to the LC-MS/MS results (y = 1.01x+0.22 ng/mL, r = 0.93), as obtained from two different sites and distinct LC-MS/MS methods. The limit of quantification was determined at 8.1 ng/mL. Cross-reactivity for 25(OH)D2 was over 80%. At concentrations of 10.5, 26 and 65.1 ng/mL, within-run CVs were 7.9%, 3.6% and 1.7%, while total CVs (between runs, calibrations, lots and instruments) were 16.0%, 4.5% and 2.8%. The VIDAS® performance was not influenced by altered DBP levels, though under-recovery of 25(OH)D as compared to LC-MS/ MS was observed for hemodialysis samples. Conclusions: The VIDAS® 25-OH Vitamin D Total assay is therefore considered suitable for assessment of vitamin D status in clinical routine. Keywords: assay performance; liquid chromatography/ [less ▲]Detailed reference viewed: 33 (12 ULg) Quadratization of symmetric pseudo-Boolean functionsAnthony, Martin; Boros, Endre; Crama, Yves et alin Discrete Applied Mathematics (2016), 203A pseudo-Boolean function is a real-valued function $f(x)=f(x_1,x_2,\ldots,x_n)$ of $n$ binary variables; that is, a mapping from $\{0,1\}^n$ to ${\bbr}$. For a pseudo-Boolean function $f(x)$ on $\{0,1 ... [more ▼]A pseudo-Boolean function is a real-valued function$f(x)=f(x_1,x_2,\ldots,x_n)$of$n$binary variables; that is, a mapping from$\{0,1\}^n$to${\bbr}$. For a pseudo-Boolean function$f(x)$on$\{0,1\}^n$, we say that$g(x,y)$is a quadratization of$f$if$g(x,y)$is a Quadratic polynomial depending on$x$and on$m$auxiliary binary variables$y_1,y_2,\ldots,y_m$such that$f(x)= \min \{ g(x,y) : y \in \{0,1\}^m \} $for all$x \in \{0,1\}^n$. By means of quadratizations, minimization of$f$is reduced to minimization (over its extended set of variables) of the quadratic function$g(x,y)$. This is of some practical interest because minimization of quadratic functions has been thoroughly studied for the last few decades, and much progress has been made in solving such problems exactly or heuristically. A related paper initiated a systematic study of the minimum number of auxiliary$y$-variables required in a quadratization of an arbitrary function$f$(a natural question, since the complexity of minimizing the quadratic function$g(x,y)$depends, among other factors, on the number of binary variables). In this paper, we determine more precisely the number of auxiliary variables required by quadratizations of \emph{symmetric} pseudo-Boolean functions$f(x)$, those functions whose value depends only on the Hamming weight of the input$x\$ (the number of variables equal to 1). [less ▲]Detailed reference viewed: 87 (12 ULg) Executive functions deficits after severe traumatic brain injury: The GREFEX studyAzouvi, Philippe; Vallat-Azouvi, Claire; Joseph, Pierre-Alain et alin Journal of Head Trauma Rehabilitation (2016), 31(3), 10-20Detailed reference viewed: 18 (2 ULg) Large-Eddy Simulations of microcarrier exposure to potentially damaging eddies inside mini-bioreactorsCollignon, Marie-Laure ; Delafosse, Angélique; Calvo, Sébastien et alin Biochemical Engineering Journal (2016)Mechanically stirred vessels equipped with rotating impellers generate heterogeneous transitional or turbulent flows. However, some cells as animal or human mesenchymal stem cells (hMSC) adhered on ... [more ▼]Mechanically stirred vessels equipped with rotating impellers generate heterogeneous transitional or turbulent flows. However, some cells as animal or human mesenchymal stem cells (hMSC) adhered on microcarriers, are reputed sensitive to hydromechanical stresses arising from stirring. Many publications, especially using Computational Fluid Dynamics, characterize spatial fields of velocity and turbulence inside bioreactors but the exposure frequency to these stresses is never taken into account in the case of animal cell culture bioreactor description. To fill this gap, this study used both CFD Reynolds-Averaged and Large-Eddy Simulations to characterize the hydrodynamics inside 250 mL mini-bioreactors, which is a relevant volume for hMSC cultures. Five impeller geometries were studied. From the velocity and turbulence fields calculated, an energy dissipation/circulation function, related to both frequency and intensity of potentially damaging hydrodynamic events for the cells, was determined for various operating conditions. Based on the simulation results, the marine propeller operating in up-pumping mode seems to be the most adapted condition, since it exhibits a low frequency of exposure to an acceptable intensity of the turbulent dissipation rate. From a general point of view, the new methodology proposed should be used in the future to screen the most adapted bioreactor geometry to biological constraints. [less ▲]Detailed reference viewed: 57 (11 ULg) Proposal for standardized ultrasound descriptors of abnormally invasive placenta (AIP)Collins, Sally; Anna, Ashcroft; Braun, Thorsten et alin Ultrasound in Obstetrics & Gynecology (2016)Detailed reference viewed: 19 (1 ULg) Transatlantic editorial: A comparison between European and North American guidelines on myocardial revascularization.Kolh, Philippe ; Kurlansky, Paul; Cremer, Jochen et alin Journal of Thoracic and Cardiovascular Surgery (The) (2016)Detailed reference viewed: 4 (1 ULg) Evaluation of a New Method for the Treatment of Invasive, Diffuse, and Unexcisable Lymphangiomas of the Oral Cavity with Defocus CO2 Laser Beam: A 20-Year Follow-UpNamour, Samir ; VAN HEUSDEN, Alain ; Namour, Amaury et alin Photomedicine and Laser Surgery (2016), 34(2), 82-87Abstract Objective: The aim of our study is to evaluate the efficiency of a new therapeutic method using CO2 laser to avoid mutilation or total excision for the treatment of invasive, large and ... [more ▼]Abstract Objective: The aim of our study is to evaluate the efficiency of a new therapeutic method using CO2 laser to avoid mutilation or total excision for the treatment of invasive, large and unexcisable oral lymphangiomas. Background data: Cystic lymphatic malformations, or lymphangiomas, are mature lymphatic malformations, consisting of abnormal lymphatic vessels. Surgical excision is considered by most surgeons to be the treatment of choice for lymphangioma. Laser beam has been used to treat superficial or small lymphatic malformations by excision or by photocoagulation, and to excise or photocoagulate small lymphangiomas. Patients and methods: Seventeen patients with diffuse and unexcisable lymphangiomas were treated using a CO2 laser with specific settings: beam was 2W in noncontact and defocus mode, power density was 0.63W/cm2 for irradiation time in the range of 3– 5min, and the estimated energy density range was 114.65–191.02 J/cm2. The beam diameter at the tissular impact point was –2 cm. The laser beam was defocused to provoke a deep heat generation that would dry up the lymphatic tissues and induce deep tissue necrosis that heals by fibrous tissue process. Results: The results were satisfactory and stable, with localized recurrence in three cases. The recurrent areas were re-treated using the same technique successfully and with no further recurrence. Conclusions: The use of CO2 laser under the suggested irradiation conditions can be considered a useful technique for the treatment of invasive lymphangiomas. [less ▲]Detailed reference viewed: 17 (2 ULg) Flexible estimation in cure survival models using Bayesian P-splinesBremhorst, Vincent; Lambert, Philippe in Computational Statistics & Data Analysis (2016), 93In the analysis of survival data, it is usually assumed that any unit will experience the event of interest if it is observed for a sufficiently long time. However, it can be explicitly assumed that an ... [more ▼]In the analysis of survival data, it is usually assumed that any unit will experience the event of interest if it is observed for a sufficiently long time. However, it can be explicitly assumed that an unknown proportion of the population under study will never experience the monitored event. The promotion time model, which has a biological motivation, is one of the survival models taking this feature into account. The promotion time model assumes that the failure time of each subject is generated by the minimum of N independent latent event times with a common distribution independent of N. An extension which allows the covariates to influence simultane- ously the probability of being cured and the latent distribution is presented. The latent distribution is estimated using a flexible Cox proportional hazard model where the logarithm of the baseline hazard function is specified using Bayesian P-splines. Introducing covariates in the latent distribution implies that the population hazard function might not have a proportional hazard structure. However, the use of P- splines provides a smooth estimation of the population hazard ratio over time. The identification issues of the model are discussed and a restricted use of the model when the follow up of the study is not sufficiently long is proposed. The accuracy of our methodology is evaluated through a simulation study and the model is illustrated on data from a Melanoma clinical trial. [less ▲]Detailed reference viewed: 33 (6 ULg) Regional integration and agricultural trade development in Rwanda: the case of staple foods sectorMusabanganji, Edouard ; Karangwa, Antoine; Azadi, Hossein et alin Poljoprivreda i Sumarstvo = Agriculture and Forestry (2016), 62(2), 153-162This paper investigated the impact of regional integration on the agricultural trade development. Using a literature review, the study showed that the results of common agricultural initiatives aiming at ... [more ▼]This paper investigated the impact of regional integration on the agricultural trade development. Using a literature review, the study showed that the results of common agricultural initiatives aiming at agriculture sector and agricultural trade development have not been convincing due to lack of appropriate mechanisms and institutional actions to operationalize regional agricultural policy and strategy at the national level. The paper also revealed that Rwanda benefited from its accession to EAC, especially in terms of the ease of access to regional markets through the establishment of the Common Market, the Customs Union and the alleviation of some of regional trade barriers for basic foodstuffs and consumer goods. This led to an increased value of its agricultural products exports to neighboring countries. The analysis of the Net Export Index and the Grubel-Lloyd measure for maize, potato and bean revealed that Rwanda is a net importer of maize and a net exporter of potato and bean. For these two staple foods, the results revealed that if Rwanda manages, through policy and institutional actions, to remove or alleviate the bottlenecks that prevent farmers from producing enough for export, it can have a competitive advantage on neighboring countries' markets whose access has been facilitated by its accession to the EAC. [less ▲]Detailed reference viewed: 23 (1 ULg) The Robust Economic Statistical Design of the Hotelling’s T^2 ChartFaraz, Alireza ; Chalaki, Kamyar; Saniga, Erwin et alin Communications in Statistics : Theory & Methods (2016)Economic statistical designs aim at minimizing the cost of process monitoring when a specific scenario or a set of estimated process and cost parameters is given. However, in practical situations the ... [more ▼]Economic statistical designs aim at minimizing the cost of process monitoring when a specific scenario or a set of estimated process and cost parameters is given. However, in practical situations the process may be affected by more than one scenario which may lead to severe cost penalties for upsetting the true scenario. This paper presents the robust economic statistical design (RESD) of the T^2 chart to reduce the monetary losses when there are multiple distinct scenarios. The genetic algorithm optimization method is employed here to minimize the total expected monitoring cost across all distinct scenarios. Through two numerical examples the proposed method is illustrated. Simulation studies indicate that the robust economic statistical designs should be encouraged in practice. [less ▲]Detailed reference viewed: 78 (3 ULg) Identification of specific bovine blood biomarkers with a non-targeted approach using HPLC ESI tandem mass spectrometryLecrenier, Marie-Caroline ; Marbaix, Hélène; Dieu, Marc et alin Food Chemistry (2016), 213Animal by-products are valuable protein sources in animal nutrition. Among them are blood products and blood meal, which are used as high-quality material for their beneficial effects on growth and health ... [more ▼]Animal by-products are valuable protein sources in animal nutrition. Among them are blood products and blood meal, which are used as high-quality material for their beneficial effects on growth and health. Within the framework of the feed ban relaxation, the development of complementary methods in order to refine the identification of processed animal proteins remains challenging. The aim of this study was to identify specific biomarkers that would allow the detection of bovine blood products and processed animal proteins using tandem mass spectrometry. Seventeen biomarkers were identified: nine peptides for bovine plasma powder; seven peptides for bovine haemoglobin powder, including six peptides for bovine blood meal; and one peptide for porcine blood. They were not detected in several commercial compound feed or feed materials, such as blood by-products of other animal origins, milk-derived products and fish meal. These biomarkers could be used for developing a species-specific and blood-specific detection method. [less ▲]Detailed reference viewed: 21 (6 ULg) Des situations-limites au dépassement de la situation : phénoménologie d'un concept sartrienCormann, Grégory ; Englebert, Jérôme in Sartre Studies International (2016), 22(1), 99-116Dans cet article, nous explorons le concept de situation, en-deçà et au-delà de sa thématisation par Sartre, à partir de L’imaginaire, dans les Carnets de la drôle de guerre puis dans L’être et le néant ... [more ▼]Dans cet article, nous explorons le concept de situation, en-deçà et au-delà de sa thématisation par Sartre, à partir de L’imaginaire, dans les Carnets de la drôle de guerre puis dans L’être et le néant. Notre approche se fonde sur un double mouvement : d’une part, une archéologie du concept dans le contexte de la première percée de la phénoménologie en France dans les années 1930 ; d’autre part, une attention à son possible dépassement deux décennies plus tard. Dans une relation serrée avec les développements de la psychopathologie de son temps, il s’agit d’abord de situer la prétention de l’Esquisse d’une théorie des émotions à poser les bases d’une phénoménologie de « l’homme en situation », ensuite d’éclairer la reprise critique du concept dans Questions de méthode, dans l’exposition de la méthode progressive-régressive. En somme, il s’agit de montrer comment s’élabore progressivement chez Sartre une « herméneutique de l’existence » qui fait droit à la liberté, puis se donne les moyens d’en suivre l’action effective dans le monde. [less ▲]Detailed reference viewed: 64 (15 ULg) Invading or recolonizing? Patterns and drivers of wild boar population expansion into Belgian agroecosystemsMorelle, Kévin; Fattebert, Julien; Mengal, Coralie et alin Agriculture, Ecosystems & Environment (2016), 222Native species can also exhibit invasive-like spreading patterns, and identifying mechanisms driving spread of native species is a recent but essential challenge in ecology. In Europe, wild boar Sus ... [more ▼]Native species can also exhibit invasive-like spreading patterns, and identifying mechanisms driving spread of native species is a recent but essential challenge in ecology. In Europe, wild boar Sus scrofa populations and range increased for decades. While patterns of population growth are well studied, those related to range expansion are still poorly understood. In this study, we aimed to understand patterns and mechanisms that promoted wild boar population expansion in agricultural landscapes of Southern Belgium between 1981 and 2010. Using hunting-based knowledge on colonization history and an information-theoretic approach, we evaluated support to four a priori hypotheses explaining mechanisms of wild boar colonisation in an agro-ecosystem: natural forested landscape as recolonization mechanism, and cultivated landscape, propagule pressure and climate change as invasion mechanisms. We found that wild boar population expansion in Belgian agroecosystems was a relatively slow process driven by the natural landscape, propagule pressure, and climatic changes. This suggests a combination of invasive and recolonization mechanisms was in play in the expansion of wild boar over the last three decades. Our study provides insights in the mechanisms that enable the species’ recovery in Europe since the mid-20th century, and underline the need for adapted management strategies taking into account the invasive components of wild boar population expansion. [less ▲]Detailed reference viewed: 9 (2 ULg) Free public transport: A socio-cognitive analysisCools, Mario ; Fabbro, Yannick; Bellemans, Tomin Transportation Research. Part A : Policy & Practice (2016), 86In this study, the modal shift potential of introducing a free alternative (free public transportation) and of changing the relative prices of transportation is examined. The influence of a cognitive ... [more ▼]In this study, the modal shift potential of introducing a free alternative (free public transportation) and of changing the relative prices of transportation is examined. The influence of a cognitive analysis on the zero-price effect is also analyzed. The data used for the analysis stem from a stated preference survey with a sample of approximately 670 respondents that was conducted in Flanders, Belgium. The data are analyzed using a mixed logit model. The modeling results yield findings that confirm the existence of a zero-price effect in transport, which is in line with the literature. This zero-price effect is increased by the forced cognitive analysis for shopping trips, although not for work/school or recreational trips. The results also demonstrate the importance of the current mode choice in hypothetical mode choices and the importance of car availability. The influence of changing relative prices on the modal shift is found to be insignificant. This might be partially because the price differences were too small to matter. Hence, an increase in public transport use can be facilitated by the introduction of free public transport, particularly when individuals evaluate the different alternatives in a more cognitive manner. These findings should be useful to policy makers evaluating free public transport and considering how best to target and promote relevant policy. [less ▲]Detailed reference viewed: 46 (1 ULg) Nonlinear system identification in structural dynamics: 10 more years of progressNoël, Jean-Philippe ; Kerschen, Gaëtan in Mechanical Systems & Signal Processing (2016), 83Nonlinear system identification is a vast research field, today attracting a great deal of attention in the structural dynamics community. Ten years ago, in an MSSP paper reviewing the progress achieved ... [more ▼]Nonlinear system identification is a vast research field, today attracting a great deal of attention in the structural dynamics community. Ten years ago, in an MSSP paper reviewing the progress achieved until then, it was concluded that the identification of simple continuous structures with localised nonlinearities was within reach. The past decade witnessed a shift in emphasis, accommodating the growing industrial need for a first generation of tools capable of addressing complex nonlinearities in larger-scale structures. The objective of the present paper is to survey the key developments which arose in the field since 2006, and to illustrate state-of-the-art techniques using a real-world satellite structure. Finally, a broader perspective to nonlinear system identification is provided by discussing the central role played by experimental models in the design cycle of engineering structures. [less ▲]Detailed reference viewed: 8 (2 ULg) A systematic review of geological evidence for Holocene earthquakes and tsunamis along the Nankai-Suruga Trough, JapanGarrett, Ed; Fujiwara, Osamu; Garrett, Philip et alin Earth-Science Reviews (2016)The Nankai-Suruga Trough, the subduction zone that lies immediately south of Japan’s densely populated southern coastline, generates devastating great earthquakes (magnitude > 8) characterised by intense ... [more ▼]The Nankai-Suruga Trough, the subduction zone that lies immediately south of Japan’s densely populated southern coastline, generates devastating great earthquakes (magnitude > 8) characterised by intense shaking, crustal deformation and tsunami generation. Forecasting the hazards associated with future earthquakes along this >700 km long fault requires a comprehensive understanding of past fault behaviour. While the region benefits from a long and detailed historical record, palaeoseismology has the potential to provide a longer-term perspective and additional crucial insights. In this paper, we summarise the current state of knowledge regarding geological evidence for past earthquakes and tsunamis along the Nankai-Suruga Trough. Incorporating literature originally published in both Japanese and English and enhancing available results with new age modelling approaches, we summarise and critically evaluate evidence from a wide variety of sources. Palaeoseismic evidence includes uplifted marine terraces and biota, marine and lacustrine turbidites, liquefaction features, subsided marshes and tsunami deposits in coastal lakes and lowlands. While 75 publications describe proposed evidence from more than 70 sites, only a limited number provide compelling, well-dated evidence. The best available records enable us to map the most likely rupture zones of twelve earthquakes occurring during the historical period. This spatiotemporal compilation suggests the AD 1707 earthquake ruptured almost the full length of the subduction zone and that earthquakes in AD 1361 and 684 may have been predecessors of similar magnitude. Intervening earthquakes were of lesser magnitude, highlighting the variability in rupture mode that characterises the Nankai-Suruga Trough. Recurrence intervals for ruptures of the same seismic segment range from less than 100 to more than 450 years during the historical period. Over longer timescales, palaeoseismic evidence suggests intervals between earthquakes ranging from 100 to 700 years, however these figures reflect a range of thresholds controlling the of creation and preservation of evidence at any given site as well as genuine earthquake recurrence intervals. At present, there is no geological data that suggest the occurrence of a larger magnitude earthquake than that experienced in AD 1707, however few studies have sought to establish the relative magnitudes of different earthquake and tsunami events along the Nankai-Suruga Trough. Alongside the lack of research designed to quantify the maximum magnitude of past earthquakes, we emphasise issues over alternative hypotheses for proposed palaeoseismic evidence, the paucity of robust chronological frameworks and insufficient appreciation of changing thresholds of evidence creation and preservation over time as key issues that must be addressed by future research. [less ▲]Detailed reference viewed: 29 (3 ULg) Recommendations for the conduct of clinical trials for drugs to treat or prevent sarcopeniaReginster, Jean-Yves ; Cooper, Cyrus; Rizzoli, René et alin Aging Clinical and Experimental Research (2016), 28(1), 47-58Purpose: Sarcopenia is an age-related muscle condition which is frequently a precursor of frailty, mobility disability and premature death. It has a high prevalence in older populations and presents a ... [more ▼]Purpose: Sarcopenia is an age-related muscle condition which is frequently a precursor of frailty, mobility disability and premature death. It has a high prevalence in older populations and presents a considerable social and economic burden. Potential treatments are under development but, as yet, no guidelines support regulatory studies for new drugs to manage sarcopenia. The objective of this position paper is therefore to suggest a set of potential endpoints and target population definitions to stimulate debate and progress within the medico-scientific and regulatory communities. Methods: A multidisciplinary expert working group was hosted by the European Society for Clinical and Economic Aspects of Osteoporosis and Osteoarthritis, which reviewed and discussed the recent literature from a perspective of clinical experience and guideline development. Relevant parallels were drawn from the development of definition of osteoporosis as a disease and clinical assessment of pharmaceutical treatments for that indication. Results A case-finding decision tree is briefly reviewed with a discussion of recent prevalence estimations of different relevant threshold values. The selection criteria for patients in regulatory studies are discussed according to the aims of the investigation (sarcopenia prevention or treatment) and the stage of project development. The possible endpoints of such studies are reviewed and a pleais made for the establishment of a core outcome set to be used in all clinical trials of sarcopenia. Conclusions : The current lack of guidelines for the assessment of new therapeutic treatments for sarcopenia could potentially hinder the delivery of effective medicines to patients at risk. [less ▲]Detailed reference viewed: 32 (12 ULg) wicking through a confined micropillar arrayDarbois-Texier, Baptiste ; Laurent, Philippe ; Stoukatch, Serguei et alin Microfluidics and Nanofluidics (2016), 20Detailed reference viewed: 44 (8 ULg) Interrelations de la criminologie et du droit autour de la délinquance juvénile : Je t’aime moi non plusMathys, Cécile in Revue de la Faculté de Droit de l'Université de Liège (2016), 1Detailed reference viewed: 24 (6 ULg) Quasi-periodic injections of relativistic electrons in Saturn's outer magnetosphereRoussos, E.; Krupp, N.; Mitchell, D. G. et alin Icarus (2016), 263Detailed reference viewed: 23 (3 ULg) Overexpression of TLR-2 and TLR-4 mRNA in feline polymorphonuclear neutrophils exposed to Microsporum canisCambier, Ludivine ; Heinen, Marie-Pierre ; Bagut, ET et alin Veterinary Dermatology (2016), 27Detailed reference viewed: 19 (7 ULg) Combinaison fixe atorvastatine-ezetimibe (Atozet(R)).Scheen, André in Revue medicale de Liege (2016), 71(1), 47-52Cardiovascular prevention in subjects at high or very high risk requires a drastic reduction in LDL cholesterol according to the concept "the lower, the better". The combination of an inhibitor of ... [more ▼]Cardiovascular prevention in subjects at high or very high risk requires a drastic reduction in LDL cholesterol according to the concept "the lower, the better". The combination of an inhibitor of cholesterol synthesis and a selective inhibitor of intestinal absorption results in a complementary and synergistic LDL-lowering activity. Besides a first fixed combination ezetimibe-simvastatin (Inegy(R)), a new fixed combination is presented, Atozet(R) that combines atorvastatin and ezetimibe. Because atorvastatin is more potent than simvastatin, this novel fixed combination should facilitate reaching therapeutic goals in terms of LDL cholesterol amongst patients with severe hypercholesterolaemia and/or at high or very high cardiovascular risk. [less ▲]Detailed reference viewed: 28 (4 ULg) Aerobiology over Antarctica – a new initiative for atmospheric ecologyPearce, David; Alekhina, Irina; Terauds et alin Frontiers in Microbiology (2016), 7The role of aerial dispersal in shaping patterns of biodiversity remains poorly understood, mainly due to a lack of coordinated efforts in gathering data at appropriate temporal and spatial scales. It has ... [more ▼]The role of aerial dispersal in shaping patterns of biodiversity remains poorly understood, mainly due to a lack of coordinated efforts in gathering data at appropriate temporal and spatial scales. It has been long known that the rate of dispersal to an ecosystem can significantly influence ecosystem dynamics, and that aerial transport has been identified as an important source of biological input to remote locations. With the considerable effort devoted in recent decades to understanding atmospheric circulation in the south-polar region, a unique opportunity has emerged to investigate the atmospheric ecology of Antarctica, from regional to continental scales. This concept note identifies key questions in Antarctic microbial biogeography and the need for standardized sampling and analysis protocols to address such questions. A consortium of polar aerobiologists is established to bring together researchers with a common interest in the airborne dispersion of microbes and other propagules in the Antarctic, with opportunities for comparative studies in the Arctic. [less ▲]Detailed reference viewed: 24 (6 ULg) Is adult translocation a credible way to accelerate the recolonization process of Chondrostoma nasus in a rehabilitated river?Ovidio, Michaël ; Hanzen, Céline; Gennotte, Vincent et alin Cybium (2016), 40(1), 43-49The decline of the patrimonial rheophilic nase, Chondrostoma nasus (Linnaeus, 1758) populations was mainly caused by construction of dams and hydroelectric power-plants, together with the straightening ... [more ▼]The decline of the patrimonial rheophilic nase, Chondrostoma nasus (Linnaeus, 1758) populations was mainly caused by construction of dams and hydroelectric power-plants, together with the straightening and artificialization of the river banks and water pollution. In this study, we tested the hypothesis whether the translocation of few adult nase individuals from a river stretch to another upstream may be a credible way to accelerate the recolonization process of the species in the Amblève River (Southern Belgium). In February and March 2011, just before their spawning period, eight adult nases (462-509 mm; 1546-2002 g; presumed males and females) were captured in the lower part of the River Amblève. Fin clip samples were stored in alcohol for further genetic analysis. They were equipped with a 14 g radio transmitter and translocated upstream in a 18 km river stretch, where the species had disappeared since decades due to river anthropization. They were manually located two to five times/week using mobile receivers until maximum June 2012 (n = 977 locations). River temperature and flow were hourly recorded during the entire tracking period. The tagged nase individuals displayed various mobility patterns, exploited different areas of the river stretch, occupied longitudinal home ranges from 3.4 to 36.1 km (one individual finally left the new river stretch) and travelled total distances from 12.2 to 186.6 km. The tagged individuals were most of the times apart from one to another, but most individuals grouped together in potential spawning areas in late March-early April 2011, suggesting an attempt to reproduce. In September 2011, electric fishing in two potential detected spawning sites allowed to capture 16 juvenile (0+) nases, demonstrating the existence of spawning activity in the newly occupied river stretch. Individual genetic characterization was performed in 2014 in order to reveal a possible direct lineage between juveniles and adults. Allelic distribution of 22 microsatellite markers unambiguously identified the 16 juveniles as full-sib progeny descending from two of the translocated adults. This demonstrated that the adult nases succeeded to find spawning areas and that progeny found raised-up from the translocated individuals. [less ▲]Detailed reference viewed: 107 (19 ULg) Intertwining nutrient-sensory networks and the control of antibiotic production in Streptomyces.Urem, M; Świątek-Połatyńska, M; Rigali, Sébastien et alin Molecular Microbiology (2016)Detailed reference viewed: 14 (0 ULg) Middle Devonian Jawed polychate fauna from the type Eifel area, western Germany, and its biogeographical and evolutionary affinitiesTonarova, Petra; Hints, Olle; Könighsof, Peter et alin Palaeontology (2016)Detailed reference viewed: 30 (3 ULg) Can breeder reproductive status, performance and egg quality be enhanced by supplementation and transition of n-3 fatty acids?Delezie, E.; Koppenol, A.; Buyse, J. et alin Journal of Animal Physiology and Animal Nutrition (2016)Summary: The aim of this experiment was to investigate the effect of n-3 fatty acid (FA) supplemented diets on breeder performance, productivity and egg quality. Breeders (n = 480) were fed the ... [more ▼]Summary: The aim of this experiment was to investigate the effect of n-3 fatty acid (FA) supplemented diets on breeder performance, productivity and egg quality. Breeders (n = 480) were fed the supplemented diet from 18 weeks onwards; the inclusion level of n-3 FA was increased from 1.5% to 3.0% from 34 weeks of age onwards until 48 weeks of age. Ross-308 broiler breeders (n = 480) were fed one of four different diets: a basal diet rich in n-6 FA (control diet) or one of three diets rich in n-3 FA. For the n-3 FA diets, eicosapentaenoic acid (EPA, 20:5 n-3) and docosahexaenoic acid (DHA, 22:6 n-3) were fed to the broiler breeders at different ratios formulated to obtain EPA/DHA ratios of 1/1, 1/2 or 2/1. Differences in performance, reproduction and egg quality parameters due to n-3 supplementation were noted more for the 1.5% followed by the 3.0% fed broilers than their 1.5% supplemented counterparts. Egg weight (p < 0.001) and egg mass (p = 0.003) were significantly lower and feed conversion (p = 0.008) significantly higher for the n-3 FA (at 3.0% inclusion level) fed broilers compared to the control group. For the EPA- and DHA-fed breeders, a higher proportional abdominal fat percentage (p = 0.025) and proportional albumen weight (%) (p = 0.041) were found respectively. Dietary treatments did not affect reproduction. It can be concluded that the results of the present experiment indicate no significant differences between treatments at 1.5% inclusion levels. However, increasing this level to 3.0% is not recommended due to the rather negative effects on the measured parameters. It should be further investigated whether these adverse effects were obtained due to (i) the higher supplementation level, (ii) combining a supplementation level of 1.5% with 3% or (iii) the duration of supplementation. © 2016 Blackwell Verlag GmbH. [less ▲]Detailed reference viewed: 18 (1 ULg) Electric Field Control of Jahn-Teller Distortions in Bulk PerovskitesVarignon, Julien ; Bristowe, Nicholas ; Ghosez, Philippe in Physical Review Letters (2016), 116The Jahn-Teller distortion, by its very nature, is often at the heart of the various electronic properties displayed by perovskites and related materials. Despite the Jahn-Teller mode being nonpolar, we ... [more ▼]The Jahn-Teller distortion, by its very nature, is often at the heart of the various electronic properties displayed by perovskites and related materials. Despite the Jahn-Teller mode being nonpolar, we devise and demonstrate, in the present Letter, an electric field control of Jahn-Teller distortions in bulk perovskites. The electric field control is enabled through an anharmonic lattice mode coupling between the Jahn-Teller distortion and a polar mode. We confirm this coupling and quantify it through first-principles calculations. The coupling will always exist within the Pb21m space group, which is found to be the favored ground state for various perovskites under sufficient tensile epitaxial strain. Intriguingly, the calculations reveal that this mechanism is not only restricted to Jahn-Teller active systems, promising a general route to tune or induce novel electronic functionality in perovskites as a whole. [less ▲]Detailed reference viewed: 21 (9 ULg) Root-emitted volatile organic compounds: can they mediate belowground plant-plant interactions?Delory, Benjamin ; Delaplace, Pierre ; Fauconnier, Marie-Laure et alin Plant and Soil (2016), 402Background Aboveground, plants release volatile organic compounds (VOCs) that act as chemical signals between neighbouring plants. It is now well documented that VOCs emitted by the roots in the plant ... [more ▼]Background Aboveground, plants release volatile organic compounds (VOCs) that act as chemical signals between neighbouring plants. It is now well documented that VOCs emitted by the roots in the plant rhizosphere also play important ecological roles in the soil ecosystem, notably in plant defence because they are involved in interactions between plants, phytophagous pests and organisms of the third trophic level. The roles played by root-emitted VOCs in between- and within-plant signalling, however, are still poorly documented in the scientific literature. Scope Given that (1) plants release volatile cues mediating plant-plant interactions aboveground, (2) roots can detect the chemical signals originating from their neighbours, and (3) roots release VOCs involved in biotic interactions belowground, the aim of this paper is to discuss the roles of VOCs in between- and within-plant signalling belowground. We also highlight the technical challenges associated with the analysis of root-emitted VOCs and the design of experiments targeting volatile-mediated root-root interactions. Conclusions We conclude that root-root interactions mediated by volatile cues deserve more research attention and that both the analytical tools and methods developed to study the ecological roles played by VOCs in interplant signalling aboveground can be adapted to focus on the roles played by root-emitted VOCs in between- and within-plant signalling. [less ▲]Detailed reference viewed: 73 (8 ULg) Les catégories au seuil de la phénoménologieGauvry, Charlotte ; Fagniez, Guillaumein Etudes Philosophiques (Les) (2016)Le tournant du XXe siècle est marqué par un retour de la problématique catégoriale sur le devant de la scène philosophique, que ce soit chez Franz Brentano et ses élèves, chez Wilhelm Dilthey, chez les ... [more ▼]Le tournant du XXe siècle est marqué par un retour de la problématique catégoriale sur le devant de la scène philosophique, que ce soit chez Franz Brentano et ses élèves, chez Wilhelm Dilthey, chez les Néokantiens de l’école de Bade, ou chez les premiers pionniers de la phénoménologie. Tant et si bien qu’une certaine philosophie (celle d’Emil Lask par excellence) a pu se présenter comme une doctrine des catégories à part entière. L’enjeu de ce numéro est d’interroger la place historique et le rôle conceptuel qu’ont joué ces questions formelles dans l’émergence de la phénoménologie. Kant avait certes renoué avec la question aristotélicienne des catégories pour postuler l’existence de « purs concepts de l’entendement » ou « catégories », seuls susceptibles de « fournir de l’unité aux diverses représentations dans un jugement et [de] donner aussi à la simple synthèse de diverses représentations dans une intuition une unité » (KRV, §10). L’intérêt proto-phénoménologique pour les catégories se présente-t-il cependant comme un retour, par-delà l’idéalisme allemand, à cette problématique transcendantale kantienne ou bien plutôt comme un retour, par-delà Kant lui-même, à la question aristotélicienne ? Si les philosophes du début XXe se sont ressaisis de la question des catégories, il semble qu’ils aient à tout le moins reformulé, voire abandonné la méthode de la « déduction ». C’est ce travail de reformulation de la déduction transcendantale que le numéro entend également clarifier. Peut-on encore dire que ces catégories sont « déduites » des formes logiques du jugement, des objets logiques ou du mouvement même de la vie ? S’il y a lieu de mettre au jour un processus « génétique » de la catégorie, quelles sont les implications d’un tel déplacement relativement à la validité du catégorial ? Plus généralement, c’est le statut même de ces « catégories » qui sera analysé. Leur domaine d’application redéfini, peut-on les déterminer comme des concepts purs transcendantaux susceptibles d’unifier l’expérience sensible ? Les catégories ne doivent-elles pas plutôt être repensées comme des formes logiques, sémantiques ou même ontologiques ? Ainsi, c’est l’enjeu stratégique de la résurgence de cette problématique catégoriale, et ses répercussions directes sur l’émergence de la phénoménologie naissante (husserlienne et heideggérienne) que ce numéro interrogera. [less ▲]Detailed reference viewed: 52 (3 ULg) L’utilisation de l’hydrolyse enzymatique pour la production de nanocellulose dans une stratégie de bioraffinage forestier intégréBombeck, Pierre-Louis ; Hebert, Jacques ; Richel, Aurore in Biotechnologie, Agronomie, Société et Environnement = Biotechnology, Agronomy, Society and Environment [=BASE] (2016), 20(1), 94-103Introduction. In a world that seeks to break free from petrochemicals, the concept of forest biomass biorefinery is increasingly being studied as a way to maximize the value of the components of this ... [more ▼]Introduction. In a world that seeks to break free from petrochemicals, the concept of forest biomass biorefinery is increasingly being studied as a way to maximize the value of the components of this biomass. Due to the high added value expected when transforming cellulose fibers into nanocellulose, this technology is highly attractive to the pulp and paper industrial world. Literature. The concept of integrated forest biorefinery is to adapt existing pulp mills so as to maximize the value of the co-products. Through the use of various methods, two types of nanocellulose may be obtained from the cellulose in the pulp. Due to its production of valuable byproducts, enzymatic hydrolysis is an interesting method to use for this purpose, but it must be combined with mechanical post-treatments. The production of nanocellulose from chemical pulp takes place in the final step of pulp production, and could be implemented without modifying the existing mills. The economic viability of this mode of production and the potential market size are the subject of recent studies that appear encouraging. Conclusions. Nanocellulose is a promising biomaterial whose field of application continues to grow. Cellulose in wood pulp can be used as a raw material for the production of nanocellulose using enzymatic pre-treatments that generate valuable co-products. This process can be integrated into a conventional chemical pulp mill and constitutes a broadening of the products available to the pulp and paper industry. [less ▲]Detailed reference viewed: 63 (16 ULg) Dispositif en ligne d’entraînement à la résolution de problèmes de physiqueMarique, Pierre-Xavier ; Jacquet, Maud ; Georges, François et alin RDST - Recherches en Didactique des Sciences et des Technologies (2016)As part of projects aiming to reduce failure during bachelor studies, LabSET and physics teachers of the university of Liège developed an online package designed to improve skills in solving physics ... [more ▼]As part of projects aiming to reduce failure during bachelor studies, LabSET and physics teachers of the university of Liège developed an online package designed to improve skills in solving physics problems. Research focuses, on one hand, on diagnosis as to whether cognitive processes used in solving physics problems are mastered by the user or not and, on the other hand, on the link between effective online training and students performance at solving examination problems. Analyses rely on a 1 study conducted with 876 first-year medicine students. They were performed on the basis of subjective (self-evaluation of process and product) and objective (number of connections, results on specific questions for each cognitive process, passing rate and examination results) data. At the end of the research, we observed that the analysis process is the one for which the students show most difficulties. Almost 50 % of the students are aware of this. Although the strength of association is weak to medium, dependence is observed between online work and success at solving the examination problems. The results of students who worked online are higher than those of students who did not. However, considering that students who passed the physics examination also passed the examinations on other scientific subjects, it is difficult to establish a causality link between online work and performance. [less ▲]Detailed reference viewed: 32 (2 ULg) Probing in Space and Time the Nuclear Motion Driven by Nonequilibrium Electronic Dynamics in Ultrafast Pumped N2Ajay, J.; Šmydke, J.; Remacle, Françoise et alin Journal of Physical Chemistry A (2016), 120(19), 3335-3342Detailed reference viewed: 14 (4 ULg) Compte rendu de Christophe CHANDEZON, Julien DU BOUCHET (éds.), Artémidore de Daldis et l’interprétation des rêves. Quatorze étudesBerg, Tatiana in Antiquité Classique : Revue Interuniversitaire d'Etudes Classiques (2016), 85Detailed reference viewed: 26 (7 ULg) Expression of Peroxisome Proliferator-Activated Receptor alpha (PPARalpha) in somatotropinomas: Relationship with Aryl hydrocarbon receptor Interacting Protein (AIP) and in vitro effects of fenofibrate in GH cells.Rotondi, Sandra; Modarelli, Alessio; Oliva, Maria-Antonietta et alin Molecular and cellular endocrinology (2016)PURPOSE: To search for a possible role of Peroxisome Proliferator-Activated Receptor alpha (PPARalpha), a molecular partner of the Aryl hydrocarbon receptor Interacting Protein (AIP), in somatotropinomas ... [more ▼]PURPOSE: To search for a possible role of Peroxisome Proliferator-Activated Receptor alpha (PPARalpha), a molecular partner of the Aryl hydrocarbon receptor Interacting Protein (AIP), in somatotropinomas. METHODS: Tumours from 51 acromegalic patients were characterized for PPARalpha and AIP expression by immunohistochemistry (IHC) and/or Real Time RT-PCR. Data were analysed according to tumour characteristics and pre-operative treatment with somatostatin analogues (SSA). The effects of fenofibrate were studied in GH3 cells in vitro. RESULTS: PPARalpha was expressed in most somatotropinomas. A modest relationship was found between PPARalpha and AIP expression, both being significantly higher in the presence of pre-operative SSA. However, only AIP expression was influenced by the response to treatment. Dual effects of fenofibrate were observed in GH3 cells, consisting of cell growth inhibition and an increase in GH secretion inhibited by octreotide. CONCLUSIONS: PPARalpha is a new player in somatotropinomas. Potential interactions between PPARalpha agonists and SSA may deserve further investigation. [less ▲]Detailed reference viewed: 21 (5 ULg) OsdR of Streptomyces coelicolor and the Dormancy Regulator DevR of Mycobacterium tuberculosis Control Overlapping RegulonsUrem, Mia; van Rossum, Teunke; Bucca, Giselda et alin mSystems (2016)Detailed reference viewed: 11 (2 ULg) Current Changes in Pubertal Timing: Revised Vision in Relation with Environmental Factors Including Endocrine Disruptors.Parent, Anne-Simone ; Franssen, Delphine ; Fudvoye, Julie et alin Endocrine development (2016), 29The aim of this chapter is to revise some common views on changes in pubertal timing. This revision is based on recent epidemiological findings on the clinical indicators of pubertal timing and data on ... [more ▼]The aim of this chapter is to revise some common views on changes in pubertal timing. This revision is based on recent epidemiological findings on the clinical indicators of pubertal timing and data on environmental factor effects and underlying mechanisms. A current advancement in timing of female puberty is usually emphasized. It appears, however, that timing is also changing in males. Moreover, the changes are towards earliness for initial pubertal stages and towards lateness for final stages in both sexes. Such observations indicate the complexity of environmental influences on pubertal timing. The mechanisms of changes in pubertal timing may involve both the central neuroendocrine control and peripheral effects at tissues targeted by gonadal steroids. While sufficient energy availability is a clue to the mechanism of pubertal development, changes in the control of both energy balance and reproduction may vary under the influence of common determinants such as endocrine-disrupting chemicals (EDCs). These effects can take place right before puberty as well as much earlier, during fetal and neonatal life. Finally, environmental factors can interact with genetic factors in determining changes in pubertal timing. Therefore, the variance in pubertal timing is no longer to be considered under absolutely separate control by environmental and genetic determinants. Some recommendations are provided for evaluation of EDC impact in the management of pubertal disorders and for possible reduction of EDC exposure along the precautionary principle. [less ▲]Detailed reference viewed: 46 (11 ULg) Management of a postoperative vaginal stricture by perendoscopic balloon dilation in a dogNoël, Stéphanie ; Billen, Frédéric ; Bolen, Géraldine et alin Veterinary Record Case Reports (2016)Detailed reference viewed: 8 (3 ULg) Large predatory marine reptiles from the Albian–Cenomanian of Annopol, PolandBardet, Nathalie; Fischer, Valentin ; Machalski, Marcinin Geological Magazine (2016)During the Early–Late Cretaceous transition, marine ecosystems in Eurasia hosted a diverse set of large predatory reptiles that occupied various niches. However, most of our current knowledge of these ... [more ▼]During the Early–Late Cretaceous transition, marine ecosystems in Eurasia hosted a diverse set of large predatory reptiles that occupied various niches. However, most of our current knowledge of these animals is restricted to a small number of bonebed-like deposits. Little is known of the geographical and temporal extent of such associations. The middle Albian – middle Cenomanian phosphorite-bearing succession exposed at Annopol, Poland produces numerous ichthyosaurian and plesiosaurian fossils. These are mostly isolated skeletal elements (e.g. teeth, vertebrae), but disarticulated partial skeletons and an articulated, sub vertically embedded ichthyosaur skull are also available. The following taxa are identified: ‘Platypterygius’ sp., cf. Ophthalmosaurinae, Ichthyosauria indet., Polyptychodon interruptus, Pliosauridae indet., Elasmosauridae3 consecutive F-FDG PET/CT in 15 patients with no significant change of eGFR) reached 13.1%. CONCLUSIONS: The uptake of F-FDG by renal allografts within an hour postinjection is not significantly impacted by CKD. [less ▲]Detailed reference viewed: 21 (9 ULg) Distribution of heavy and clay minerals in coastal sediment of jijel, East of Algeria: indicators of sediment sources and transport and deposition environmentsKERMANI, S.; BOUTIBA, M.; BOUTALEB, A. et alin Arabian Journal of Geosciences (2016)Detailed reference viewed: 115 (30 ULg) Treacher Collins syndrome: a clinical and molecular study based on a large series of patients.Vincent, Marie; Genevieve, David; Ostertag, Agnes et alin Genetics in medicine : official journal of the American College of Medical Genetics (2016), 18(1), 49-56PURPOSE: Treacher Collins/Franceschetti syndrome (TCS; OMIM 154500) is a disorder of craniofacial development belonging to the heterogeneous group of mandibulofacial dysostoses. TCS is classically ... [more ▼]PURPOSE: Treacher Collins/Franceschetti syndrome (TCS; OMIM 154500) is a disorder of craniofacial development belonging to the heterogeneous group of mandibulofacial dysostoses. TCS is classically characterized by bilateral mandibular and malar hypoplasia, downward-slanting palpebral fissures, and microtia. To date, three genes have been identified in TCS:,TCOF1, POLR1D, and POLR1C. METHODS: We report a clinical and extensive molecular study, including TCOF1, POLR1D, POLR1C, and EFTUD2 genes, in a series of 146 patients with TCS. Phenotype-genotype correlations were investigated for 19 clinical features, between TCOF1 and POLR1D, and the type of mutation or its localization in the TCOF1 gene. RESULTS: We identified 92/146 patients (63%) with a molecular anomaly within TCOF1, 9/146 (6%) within POLR1D, and none within POLR1C. Among the atypical negative patients (with intellectual disability and/or microcephaly), we identified four patients carrying a mutation in EFTUD2 and two patients with 5q32 deletion encompassing TCOF1 and CAMK2A in particular. Congenital cardiac defects occurred more frequently among patients with TCOF1 mutation (7/92, 8%) than reported in the literature. CONCLUSION: Even though TCOF1 and POLR1D were associated with extreme clinical variability, we found no phenotype-genotype correlation. In cases with a typical phenotype of TCS, 6/146 (4%) remained with an unidentified molecular defect.Genet Med 18 1, 49-56. [less ▲]Detailed reference viewed: 10 (1 ULg) Towards Generic Image Classification using Tree-based Learning: an Extensive Empirical StudyMarée, Raphaël ; Geurts, Pierre ; Wehenkel, Louis in Pattern Recognition Letters (2016)This paper considers the general problem of image classification without using any prior knowledge about image classes. We study variants of a method based on supervised learning whose common steps are ... [more ▼]This paper considers the general problem of image classification without using any prior knowledge about image classes. We study variants of a method based on supervised learning whose common steps are the extraction of random subwindows described by raw pixel intensity values and the use of ensemble of extremely randomized trees to directly classify images or to learn image features. The influence of method parameters and variants is thoroughly evaluated so as to provide baselines and guidelines for future studies. Detailed results are provided on 80 publicly available datasets that depict very diverse types of images (more than 3800 image classes and over 1.5 million images). [less ▲]Detailed reference viewed: 266 (40 ULg) "Translating Multilayered Sensory Experience"Bada, Valérie ; Pagnoulle, Christine in Palimpsestes (2016)The powerful impact of the plays by African American playwright August Wilson largely relies on the way his words appeal to the senses, whether explicitly by calling upon the characters’ sensory ... [more ▼]The powerful impact of the plays by African American playwright August Wilson largely relies on the way his words appeal to the senses, whether explicitly by calling upon the characters’ sensory experience or more indirectly through his use of syntactic rhythm, or indeed his specific modulation of AAVE. This article describes how the translators tried to create a French idiom that induces the same sensory impact on an audience and, at the same time, reflects the multilayered referentiality of the text. [less ▲]Detailed reference viewed: 23 (10 ULg) Old‐Age Employment and Hours of Work Trends: Empirical Analysis for Four European CountriesJousten, Alain ; Perelman, Sergio ; Flawinne, Xavier et alin IZA Journal of European Labor Studies (2016)FFor the last two decades, the increase of employment among individuals aged 50+ has been a policy objective on the European employment agenda. The present paper focuses on the case of Belgium, France ... [more ▼]FFor the last two decades, the increase of employment among individuals aged 50+ has been a policy objective on the European employment agenda. The present paper focuses on the case of Belgium, France, Germany and The Netherlands over the period 1997—2011. First, we provide descriptive analysis of older workers’ employment using data from the European Union Labour Force Survey. Second, we use econometric techniques to explain the different employment and hours of work patterns for various sub-groups of older workers over time. We find evidence of catching up of older generation’s employment rates – with no rupture at the financial crisis in 2007. Third, we use microsimulation techniques to decompose the effects of structural changes, as well as extensive and intensive labor supply changes. [less ▲]Detailed reference viewed: 28 (3 ULg) Metabolic profile of mixed culture acidogenic fermentation of lignocellulosic residues and the effect of upstream substrate fractionation by steam explosionPerimenis, Anastasios; van Aarle, Ingrid; Nicolay, Thomas et alin Biomass Conversion and Biorefinery (2016), 6Lignocellulosic biomass residues have attracted attention for the sustainable production of molecules for material and energetic use through biochemical conversion. Their recalcitrant structure prevents a ... [more ▼]Lignocellulosic biomass residues have attracted attention for the sustainable production of molecules for material and energetic use through biochemical conversion. Their recalcitrant structure prevents a broader use and asks for the development of sustainable techniques that can efficiently separate, recover and valorize the constituting components. In a cascading concept, residual streams of such processes can be further exploited in an attempt to valorize the largest possible fraction of the initial material. Three lignocellulosic substrates, namely dried sugar beet pulp, wheat bran and miscanthus straw, were upstream fractionated by steam explosion to extract the hemicellulose fraction. This study evaluated the valorization of the residual solid fraction through mixed acidogenic fermentation for the production of volatile fatty acids (VFA) as platform chemicals. Batch experiments have been conducted for the reference material (non-treated) and the solid fraction remaining after steam explosion, with and without the addition of an external mixed inoculum. Steam explosion residues contained less hemicellulose than the initial materials. The difference in the fermentation profile between steam explosion residues and non-treated substrates is dependent on the substrate. Maximum total VFA (tVFA) concentration was 18.8 gCOD/kgmixed_liquor, and maximum yield of chemical oxygen demand (COD) conversion into tVFAwas 33 % for the case of non-treated inoculated beet pulp. [less ▲]Detailed reference viewed: 55 (4 ULg) Analytical and clinical evaluation of the new Fujirebio Lumipulse G non-competitive assay for 25(OH)-vitamin D and three immunoassays for 25(OH)D in healthy subjects, osteoporotic patients, third trimester pregnant women, healthy African subjects, hemodialyzed and intensive care patientsCAVALIER, Etienne ; LUKAS, Pierre ; BEKAERT, Anne-Catherine et alin Clinical Chemistry & Laboratory Medicine (2016)Detailed reference viewed: 42 (14 ULg) The transactional process between the relationships with caregivers and children's externalizing behaviorRoskam, Isabelle; Stievenart, Marie ; de Mol, Janin Journal of Applied Developmental Psychology (2016), 42Externalizing behavior (EB) has been found to be pervasive in children across different interactional systems. The transactional model is one of the most interesting and plausible mechanisms explaining ... [more ▼]Externalizing behavior (EB) has been found to be pervasive in children across different interactional systems. The transactional model is one of the most interesting and plausible mechanisms explaining the development of behavioral problems (Sameroff, 2009). The main goal of the study is to test bidirectional and recursive transactional relations between the quality of the caregiver–child relationship and children's externalizing behavior. The transactional model was tested in three-wave longitudinal cross-lagged models involving 117 children (78.5% boys) aged 4 at the beginning of the study and three caregivers, i.e. their mother, father and teacher. All of the children had been clinically referred for externalizing behavior. Themulti-informant three-wave design was an original feature of this research. The results provided no evidence for a transactional process. The results suggest the singularity of each ofthese three interactional systems. They are discussed from the theoretical viewpoint and in terms of their clinical implications. [less ▲]Detailed reference viewed: 54 (3 ULg) Quantum Nuclear Dynamics Pumped and Probed by Ultrafast Polarization Controlled Steering of a Coherent Electronic State in LiHNikodem, Astrid ; Levine, R. D.; Remacle, Françoise in Journal of Physical Chemistry A (2016), 120(19), 3343-3352Detailed reference viewed: 18 (1 ULg) Maximum entropy properties of discrete-time first-order stable spline kernelChen, Tianshi; Ardeshiri, Tohid; Carli, Francesca Paola et alin Automatica (2016), 66Detailed reference viewed: 52 (2 ULg) Heterogeneous bedrock investigation for a closed-loop geothermal system: A case studyRadioti, Georgia ; Delvoie, Simon ; Charlier, Robert et alin Geothermics (2016)This paper investigates bedrock heterogeneity by applying three different geophysical approaches, in order to study the long-term behaviour and the interaction between closed-loop geothermal systems. The ... [more ▼]This paper investigates bedrock heterogeneity by applying three different geophysical approaches, in order to study the long-term behaviour and the interaction between closed-loop geothermal systems. The investigated site consists of four boreholes equipped with geothermal pipes on the campus of University of Liege, Belgium. The first approach includes acoustic borehole imaging, gamma-ray logging and cuttings observation and results to a detailed fracture characterisation, rock identification and layer dip angle determination. The second approach consists of measuring the thermal conductivity of cuttings at the laboratory. Study of cuttings thermal conductivity measurements can contribute to bedrock heterogeneity knowledge concerning the transition of one formation to another and the layer dipping. The third approach is based on high-resolution temperature profiles, measured during the hardening of the grouting material and the recovery phase of a Distributed Thermal Response Test. Through this approach a correlation of the temperature profiles to the geological characteristics of the surrounding bedrock is identified. The analysis of this correlation can provide information on fractured zones, alternation of different rock types and layering dipping. This latter approach can be easily applied on closed-loop geothermal systems to characterise the bedrock and investigate its heterogeneity as well as contribute to the their long-term behaviour prediction and to the optimisation of their efficiency. [less ▲]Detailed reference viewed: 53 (13 ULg) Dulaglutide (LY-2189265) for the treatment of type 2 diabetes.Scheen, André in Expert review of clinical pharmacology (2016), 9(3), 385-99Dulaglutide is a new once-weekly glucagon-like peptide-1 receptor agonist for the management of hyperglycemia in adult patients with type 2 diabetes. It stimulates dose-dependent insulin secretion and ... [more ▼]Dulaglutide is a new once-weekly glucagon-like peptide-1 receptor agonist for the management of hyperglycemia in adult patients with type 2 diabetes. It stimulates dose-dependent insulin secretion and reduces glucagon secretion, both in a glucose-dependent manner. Efficacy on blood glucose control and safety were demonstrated in the large AWARD program in type 2 diabetic patients treated with diet, metformin, dual oral therapy or insulin lispro with or without metformin, confirming findings of pilot studies in Caucasian patients and data in Japanese patients. Dulaglutide 1.5 mg once weekly was superior to metformin, sitagliptin, insulin glargine and exenatide twice daily, and non-inferior to liraglutide 1.8 mg once daily regarding the reduction in glycated hemoglobin. A modest but significant weight loss was consistently observed. Most frequent adverse events were transient and generally mild gastrointestinal disturbances. Clinical outcomes of dulaglutide will not be known until the large prospective cardiovascular outcome trial REWIND is complete. [less ▲]Detailed reference viewed: 14 (1 ULg) Lumbopelvic motor control and low back pain in elite soccer players: a cross-sectional studyGROSDENT, Stéphanie ; Demoulin, Christophe ; Rodriguez de la Cruz, Carlos et alin Journal of Sports Sciences (2016)This study aimed to investigate the relationship between the history of low back pain and quality of lumbopelvic motor control in soccer players. Forty-three male elite soccer players (mean age, 18.2 ± 1 ... [more ▼]This study aimed to investigate the relationship between the history of low back pain and quality of lumbopelvic motor control in soccer players. Forty-three male elite soccer players (mean age, 18.2 ± 1.4 years) filled in questionnaires related to low back pain and attended a session to assess lumbopelvic motor control by means of five tests (the bent knee fall out test, the knee lift abdominal test, the sitting knee extension test, the waiter ’ s bow and the transversus abdominis test). A physiotherapist, blinded to the medical history of the participants, scored (0 = failed, 1 = correct) the performance of the players for each of the tests resulting in a lumbopelvic motor control score ranging from 0 to 5. Forty-seven per cent of the soccer players reported a disabling low back pain episode lasting at least two consecutive days in the previous year. These players scored worse lumbopelvic motor control than players without a history of low back pain (lumbopelvic motor control score of 1.8 vs. 3.3, P < 0.01). The between-groups difference was particularly marked for the bent knee fall out test, the knee lift abdominal test and the transversus abdominis test (P < 0.01). In conclusion, most soccer players with a history of low back pain had an altered lumbopelvic motor control. Further research should examine whether lumbopelvic motor control is etiologically involved in low back pain episodes in soccer players. [less ▲]Detailed reference viewed: 51 (19 ULg) High-urgency kidney transplantation in the Eurotransplant Kidney Allocation System: success or waste of organs? The Eurotransplant 15-year all-centre survey.Assfalg, Volker; Huser, Norbert; van Meel, Marieke et alin Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association (2016)BACKGROUND: In the Eurotransplant Kidney Allocation System (ETKAS), transplant candidates can be considered for high-urgency (HU) status in case of life-threatening inability to undergo renal replacement ... [more ▼]BACKGROUND: In the Eurotransplant Kidney Allocation System (ETKAS), transplant candidates can be considered for high-urgency (HU) status in case of life-threatening inability to undergo renal replacement therapy. Data on the outcomes of HU transplantation are sparse and the benefit is controversial. METHODS: We systematically analysed data from 898 ET HU kidney transplant recipients from 61 transplant centres between 1996 and 2010 and investigated the 5-year patient and graft outcomes and differences between relevant subgroups. RESULTS: Kidney recipients with an HU status were younger (median 43 versus 55 years) and spent less time on the waiting list compared with non-HU recipients (34 versus 54 months). They received grafts with significantly more mismatches (mean 3.79 versus 2.42; P < 0.001) and the percentage of retransplantations was remarkably higher (37.5 versus 16.7%). Patient survival (P = 0.0053) and death with a functioning graft (DwFG; P < 0.0001) after HU transplantation were significantly worse than in non-HU recipients, whereas graft outcome was comparable (P = 0.094). Analysis according to the different HU indications revealed that recipients listed HU because of an imminent lack of access for dialysis had a significantly worse patient survival (P = 0.0053) and DwFG (P = 0.0462) compared with recipients with psychological problems and suicidality because of dialysis. In addition, retransplantation had a negative impact on patient and graft outcome. CONCLUSIONS: Facing organ shortages, increasing wait times and considerable mortality on dialysis, we question the current policy of HU allocation and propose more restrictive criteria with regard to individuals with vascular complications or repeated retransplantations in order to support patients on the non-HU waiting list with a much better long-term prognosis. [less ▲]Detailed reference viewed: 23 (1 ULg) Pratique de l'ostéosynthèse des fractures de jambe en République démocratique du CongoAmisi Kitoko, R.; Asolanyongo, M.K.; Losimba, J.L. et alin Revue de Chirurgie Orthopédique et traumatologique (2016), 102(3), 306-9La prise en charge chirurgicale de la traumatologie à Kisangani (République démocratique du Congo) se heurte à des contraintes médico-économiques et culturelles qui aboutissent souvent à des prises en ... [more ▼]La prise en charge chirurgicale de la traumatologie à Kisangani (République démocratique du Congo) se heurte à des contraintes médico-économiques et culturelles qui aboutissent souvent à des prises en charge retardées. Le but de cette étude était de déterminer les délais de prise en charge, les délais opératoires et de les corréler aux complications postopératoires. Les résultats radiologiques et fonctionnels des fractures de jambe ont été également évalués. Notre hypothèse était que le taux de complications est significativement plus élevé en cas de prise en charge retardée. Cette étude rétrospective a été réalisée aux cliniques universitaires de Kisangani de 1996 à 2009. Soixante-seize fractures de jambe ou du pilon tibial traitées par ostéosynthèse interne ou externe à foyer fermé ou ouvert ont été analysées. Les résultats radiologiques et fonctionnels ont été évalués à 12 mois minimum. La prise en charge des patients était tardive. Le délai moyen d’admission à l’hôpital était de 19 ± 18,28 jours (extrêmes de 1 à 90 jours) avec une différence significative des complications selon le délai d’admission (p < 0,05) aux dépens des patients admis tardivement. Le délai opératoire moyen après l’admission était de 9,5 ± 8,51 jours (extrêmes de 1 à 30 jours) avec une différence significative des complications selon le délai opératoire (p < 0,05) aux dépens des patients opérés tardivement (infections, pseudarthrose). Le délai d’admission ou opératoire n’influençait pas les résultats fonctionnels (p > 0,05). Ces résultats sont cohérents avec ceux rapportés dans la littérature. Le retard de la chirurgie est associé à l’augmentation de complications postopératoires (infection, pseudarthrose) et de la durée d’hospitalisation. Un retard opératoire de plus de 48 heures doit être évité, sauf pour les patients médicalement instables qui nécessitent une période de stabilisation médicale. Niveau de preuve. – Niveau IV : rétrospectif – série historique. [less ▲]Detailed reference viewed: 19 (3 ULg) Investigation of the genotoxicity of substances migrating from polycarbonate replacement baby bottles to identify chemicals of high concern.Mertens; Simon, Coraline ; Van Bossuyt et alin Food & Chemical Toxicology (2016), 89Detailed reference viewed: 11 (2 ULg) Immiscible iron- and silica-rich liquids in the Upper Zone of the Bushveld ComplexFischer, Lennart A.; Wang, Meng; Charlier, Bernard et alin Earth and Planetary Science Letters (2016), 443Detailed reference viewed: 21 (2 ULg)