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See detailMesure continue du glucose et diabète gestationnel : revue des études disponibles
RADERMECKER, Régis ULg; Sepulchre, E

in Diabètes & Métabolism (2013, March), 39

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See detailAsteroseismology of hot B subdwarf stars
Charpinet, Stéphane; Van Grootel, Valérie ULg; Brassard, Pierre et al

in EPJ Web of Conferences (2013, March), 43

Nonradial pulsations in Extreme Horizontal Branch stars (also known as hot B subdwarfs or sdB stars) offer strong opportunities to study through asteroseismology the structure and internal dynamics of ... [more ▼]

Nonradial pulsations in Extreme Horizontal Branch stars (also known as hot B subdwarfs or sdB stars) offer strong opportunities to study through asteroseismology the structure and internal dynamics of stars in this intermediate stage of stellar evolution. Most sdB stars directly descend from former red giants and are expected to evolve straight into white dwarfs after core helium exhaustion. They thus represent the most direct link between these two stages. Their properties should therefore reflect both the outcome of the core evolution of red giant stars and the initial state for a fraction of the white dwarfs. We review the status of this field after a decade of efforts to exploit both p-mode and g-mode pulsating sdB stars as asteroseismic laboratories. From the discoveries of these two classes of pulsators in 1997 and 2003, respectively, up to the current epoch of data gathering of unprecedented quality from space, a lot of progress has been made in this area and prospects for future achievements look very promising. [less ▲]

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See detailDifférences d’activité de l’inflammasome NLRP3 entre sujets obèses avec et sans anomalies métaboliques
Esser, Nathalie ULg; L'Homme, Laurent ULg; DE ROOVER, Arnaud ULg et al

in Diabètes & Métabolism (2013, March), 39(suppl 1), 102

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See detailThe mangrove forest as a feeding ground and nursery habitat for the ichthyofauna: Mida Creek in Kenya
Gajdzik, Laura ULg; Vanreusel, Ann; Koedeam, Nico et al

in Mees, J.; Seys, J. (Ed.) (2013). Book of abstracts – VLIZ Young Marine Scientists' Day. Brugge, Belgium, 15 February 2013. VLIZ Special Publication, 63. Vlaams Instituut voor de Zee (VLIZ): Oostende. xii, 168 pp. Part of: VLIZ Special Publication. Vlaams Instituut voor de Zee (VLIZ): Oostende. ISSN 1377-0950 (2013, February 15)

Mangrove forests are among the most productive ecosystems, sustaining both terrestrial and aquatic fauna (Kathiresan, 2011). They are important to coastal fisheries by providing foraging and hiding places ... [more ▼]

Mangrove forests are among the most productive ecosystems, sustaining both terrestrial and aquatic fauna (Kathiresan, 2011). They are important to coastal fisheries by providing foraging and hiding places for commercially valuable fishes (Tomlinson, 1986; Rönnbäck 1999). This research investigated the fish assemblage of Mida Creek (Kenya, East Africa) as well as the presumed feeding and nursery functions of the area for the ichthyofauna present. This explorative study contributes to a Kenyan-Flemish project in which scientists aim to identify the impacts of human exploitation and management regimes of mangroves on biodiversity richness and abundance, including demersal fish. The species composition of the ichthyofauna of Mida and trophic interactions therein was studied for five representative sampling areas. These sites are located at various distances from local villages in order to include the effect of different degrees of human disturbance. Samples were collected during 5-6 consecutive days close to spring tide in mid July 2011. Fishes were caught using several types of passive fishing gears such as large and small fyke nets, gill nets and occasionally beach seine. Each individual was identified to species level, measured and weighed. We performed stomach content analysis to provide information about fish diet. Furthermore, stable isotope analysis was applied on most fishes in order to detect whether the source of primary production for the higher trophic levels is mangrove-related or not. A total of 29 fish species was found with a catch of 939 teleost specimens. Our analyses showed that a majority of fish belonged to the zoobenthivorous/omnivorous trophic mode, they were mainly feeding on invertebrates. Their diet was quite similar over different locations and life stages. Two species (Sphyraena barracuda and Synodus variegatus) exhibited a mixed diet with a piscivorous preference. Results concerning the population structure suggested that the fish community of Mida consisted of both transient and resident species. Juveniles were, however, numerically more abundant in the whole area than adult specimens. Based on our restricted sampling period and methodology, we were not able to accurately detect human impacts on fish stock and species composition between locations. Finally, our results confirm that Mida Creek mangrove is an important habitat for the ichthyofauna especially for juvenile fishes. Its role as feeding and nursery ground appears well established. [less ▲]

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See detailDevelopment of an experimental device allowing plant-plant interaction studies and in situ dynamic trapping of volatile organic compounds emitted by barley (Hordeum distichon L.) roots
Delory, Benjamin ULg; Delaplace, Pierre ULg; Fauconnier, Marie-Laure ULg et al

in Communications in Agricultural and Applied Biological Sciences (2013, February 08), 78(1), 97-102

In response to wounding or herbivore attack, leaves and roots of higher plants release volatile organic compounds (VOCs). To date, VOCs analysis and plant−plant interaction studies have been mainly ... [more ▼]

In response to wounding or herbivore attack, leaves and roots of higher plants release volatile organic compounds (VOCs). To date, VOCs analysis and plant−plant interaction studies have been mainly performed on aboveground plant tissues, leaving the roles played by root VOCs in plant−plant interaction unexplored. In this context, this project aims at setting up an original experimental device allowing both dynamic trapping of VOCs emitted by mechanically damaged H. distichon roots and the study of the roles played by root VOCs in intra and interspecific plant−plant interactions. The experimental device consists of Barley seedlings cultivated in closed PTFE reactors filled with wet sand. Before being analysed by gas chromatography−mass spectrometry, root VOCs are trapped via a dynamic system on Tenax cartridges using a charcoal-filtered and humidified air. Preliminary results show that 7 day-old wounded Barley roots emit C9 fatty acid derivatives (E-non-2-enal and nona-2,6-dienal) as major compounds, contrasting with aboveground plant tissues that mainly emit C6 alcohols, aldehydes, and their derivative esters. For plant−plant interaction studies, receiver plants are exposed to an airflow enriched with VOCs from root damaged Barley plants of the same age. [less ▲]

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See detailLepton flavor violation and seesaw symmetries
Aristizabal Sierra, Diego ULg

in Hyperfine Interactions (2013, February), 214

When the standard model is extended with right-handed neutrinos the symmetries of the resulting Lagrangian are enlarged with a new global U(1)R Abelian factor. In the context of minimal seesaw models we ... [more ▼]

When the standard model is extended with right-handed neutrinos the symmetries of the resulting Lagrangian are enlarged with a new global U(1)R Abelian factor. In the context of minimal seesaw models we analyze the implications of a slightly broken U(1)R symmetry on charged lepton flavor violating decays. We find, depending on the R-charge assignments, models where charged lepton flavor violating rates can be within measurable ranges. In particular, we show that in the resulting models due to the structure of the light neutrino mass matrix muon flavor violating decays are entirely determined by neutrino data (up to a normalization factor) and can be sizable in a wide right-handed neutrino mass range. [less ▲]

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See detailLong term measurements of volatile organic compounds exchanges above a maize field at Lonzee (Belgium)
Bachy, Aurélie ULg; Aubinet, Marc ULg; SALERNO, Giovanni ULg et al

in Communications in Agricultural and Applied Biological Sciences (2013, February), 78(1), 127-132

VOC (volatile organic compounds) include a wide set of molecules which are mostly emitted by the plants. Atmospheric scientists are strongly interested in these compounds because of their important role ... [more ▼]

VOC (volatile organic compounds) include a wide set of molecules which are mostly emitted by the plants. Atmospheric scientists are strongly interested in these compounds because of their important role in the atmospheric chemistry and their final impact on air pollution and climate change. Evaluation of current and future VOC emissions is thus necessary and requires a comprehensive understanding of VOC production and exchange dynamics under a wide panel of climatic conditions and ecosystems. Forest and non pastured grasslands have been largely studied for the last decade. However, knowledge about VOC fluxes from croplands remains scarce. Our study focuses on the VOC exchanges between a maize field and the atmosphere. It is incorporated in a wider project that aims to study VOC fluxes from two croplands (maize and winter wheat) and a pastured grassland. VOC fluxes have been measured on a maize field during the whole growing season using a micrometeorological method (eddy covariance). While first results show half-hourly bidirectionnal exchanges among all the preselected compounds, in average methanol stands for the greatest emitted VOC, followed by green leaf volatiles, and acetic acid is the greatest taken up VOC. Small isoprene and monoterpenes fluxes are also observed. A diurnal pattern is found for all those VOC, with greater emission/uptake during the day, suggesting a flux dependence on environmental parameters. These environmental controls will be further investigated [less ▲]

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See detailCollaborations distantes synchrones dans les pratiques de conception
Ben Rajeb, Samia ULg; Leclercq, Pierre ULg

in International Journal of Design Sciences and Technology (2013, January)

Cet article propose une analyse des pratiques de la collaboration architecturale dans des situations de travail distantes. Il s'intéresse en particulier à la mise en oeuvre d'outils pour le travail ... [more ▼]

Cet article propose une analyse des pratiques de la collaboration architecturale dans des situations de travail distantes. Il s'intéresse en particulier à la mise en oeuvre d'outils pour le travail synchrones dans les agences d'architecture. Il s'appuie sur l'observations in situ de trois situations qui illustrent successivement différents modes d'interaction : nous analyserons ainsi l'usage de la visioconférence, de l'écran partagé puis du studio distant collaboratif. Pour identifier quels rôles peuvent assurer ces différents outils numériques, notre méthodologie s'appuiera sur la catégorisation proposée par les concepts architecturologiques, décrivant les opérations de conception architecturale, complétées des opérations pragmatiques de collaboration. Une grille évaluative des opérations supportées respectivement par ces trois technologies identifiera leurs limitations, atouts et conditions d'opérabilité, permettant ainsi d'apprécier la mise en oeuvre actuelle et future des technologies collaboratives en agence d'architecture. [less ▲]

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See detailErythropoietin therapy after allogeneic hematopoietic cell transplantation : a prospective randomised trial.
JASPERS, Aurélie ULg; Baron, Frédéric ULg; WILLEMS, Evelyne ULg et al

in Belgian Journal of Hematology (2013, January)

Based on the impairment of erythropoietin production after allogeneic hematopoietic cell transplantation (HCT), we previously reported in a phase-2 trial that recombinant human erythropoietin (rhEPO ... [more ▼]

Based on the impairment of erythropoietin production after allogeneic hematopoietic cell transplantation (HCT), we previously reported in a phase-2 trial that recombinant human erythropoietin (rhEPO) therapy was very efficient when started one month after transplantation. We also demonstrated that anemia after nonmyeloabalative (NM) HCT was less sensitive to rhEPO therapy than after conventional allogeneic HCT. This prompted us to confirm these findings in a prospective randomised trial. One hundred and thirty-one patients were randomised (1:1) between no treatment (arm 1) or erythropoietin (Neorecormon) at the dose of 500 U/kg/week (arm 2). Once the target Hb (13g/dL) has been attained, the dose of rhEPO was reduced by half, while it was withheld when Hb was = 14g/dL. Cohort A included 42 patients on day 28 after myeloablative HCT, cohort B 39 patients on day 28 after NMHCT, and cohort C 50 patients on day 0 of NMHCT. Primary endpoints included proportion of complete correctors (i.e. patients reaching Hb = 13g/dL) and median time to achieve Hb correction in each arm. The proportion of complete correctors before day 126 posttransplant was 0% in group 1A vs 52.4% in group 2A, 0% in group 1B vs 69.5% in group 2B and 19.1% in group 1C vs 70.2% in group 2C. Median time to achieve Hb = 13g/dL was not reached in group 1B vs 49 days in group 2B; 363 and 59 days in groups 1A and 1B respectively and 363 and 87 days in groups 3A and 3B respectively (figure 1). Hb evolution in each group is shown in figure 2. Seventyone patients (47/62 in control groups and 24/57 in treated groups, p=0.0003) required red blood cell transfusions. The difference was most pronounced in cohort B. There was no difference in rates of thrombo-embolic events or other complications between the two arms. In conclusion, this is the first trial to demonstrate that EPO therapy hastens erythroid recovery and decreases transfusion requirements when started one month after allogeneic HCT. [less ▲]

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See detailThe spatial relationship between bone formation and bone resorption in healthy and ovariectomized mice treated with PTH, bisphosphonate or mechanical loading
Ruffoni, Davide ULg; Weigt, Claudia; Fattorini, Elisa et al

in Bone (DOI:10.1530/boneabs.1.PP437) (2013)

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See detailStrontium ranelate prevents radiological progression in patients with primary knee osteoarthritis
Cooper, C; Berembaum, F; Nash, P et al

in Osteoporosis International (2013), 24(1), 306-307

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See detailPartonic Picture of Generalized Transverse Momentum Distributions
Liuti, Simonetta; Courtoy, Aurore ULg; Goldstein, Gary R. et al

in World Scientific (2013)

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See detailMise en image du spectacle et spectacularisation de l’image à l’âge baroque
Delfosse, Annick ULg; Dekoninck, Ralph; Delbeke, Maarten et al

in Degrés : Revue de Synthèses à Orientation Sémiologique (2013)

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See detailCorrelation between RNA and protein levels in a large european series from the LYSA
Bossard, C.; Dobay, M.P.; Lamant, L. et al

in Hematological Oncology (2013), 31 Suppl.1

Introduction: CD22 is expressed on most B-non-Hodgkin lymphomas (NHL); inotuzumab ozogamicin (INO) is an anti-CD22 antibody conjugated to calicheamicin. This study evaluated the safety and tolerability of ... [more ▼]

Introduction: CD22 is expressed on most B-non-Hodgkin lymphomas (NHL); inotuzumab ozogamicin (INO) is an anti-CD22 antibody conjugated to calicheamicin. This study evaluated the safety and tolerability of INO plus R-CVP in patients (pts) with relapsed/refractory CD22+ B-NHL. Efficacy data were also collected. Methods: Part 1 of this open-label study identified a maximum tolerated dose (MTD) of INO 0.8mg/m,2 on day 2 plus R-CVP (rituximab 375mg/m,2 cyclophosphamide 750mg/m,2 and vincristine 1.4mg/m,2 on day 1; prednisone 40mg/m,2 on days 1-5) every 21 days. Subsequently, pts were enrolled in the MTD confirmation cohort (part 2, n = 10), which required a dose-limiting toxicity rate of <33% in cycle 1 and <4 pts discontinuing prior to cycle 3 due to an adverse event (AE) in the MTD expansion cohort (part 3, n = 22), which explored preliminary activity. Results: Parts 2 and 3 enrolled 32 pts: 16 pts with diffuse large B-cell lymphoma, 15 with follicular lymphoma and one with mantle cell lymphoma. Median age was 64.5 years (range 44-81 years); 34% of pts had 1 prior regimen, 34% had 2, 28% had ≥3 and 3% had none (median 2; range 0-6).Median treatment duration was five cycles (range 1-6). Part 2 confirmed the MTD as standard dose R-CVP plus INO 0.8mg/m,2; 2/10 pts had a dose-limiting toxicity (grade 3 increased ALT/AST, grade 4 neutropenia requiring G-CSF). One pt discontinued because of an AE prior to cycle 3. Common treatment-related AEs were thrombocytopenia (78%), neutropenia (66%), fatigue (50%), leukopenia (50%), nausea (41%) and lymphopenia (38%); common grade 3/4 AEs were neutropenia (63%), thrombocytopenia (53%), leukopenia (38%) and lymphopenia (31%). There was one case of treatment-related fatal pneumonia with grade 4 neutropenia. Ten pts discontinued treatment due to AEs; thrombocytopenia/delayed platelet recovery was the leading cause (grade 1/2, n = 6; grade 3/4, n = 3). Objective response rate (ORR) was 77% (n = 24/31 evaluable pts), including 26% (n=8/31) with complete response (CR); three pts had stable disease. Of the pts with follicular lymphoma, ORR was 100% (n = 15/15), including seven pts with CR. Of the pts with diffuse large B-cell lymphoma, ORR was 60% (n = 9/16), including one pt with CR. Conclusions: Results suggest that INOplus R-CVP has acceptable toxicity and promising activity in relapsed/refractory CD22+ B-NHL. The most common grade 3/4 AEs were hematologic. Follow-up for progression-free and overall survival is ongoing. [less ▲]

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See detailSi isotope and Ge/Si ratios record successive cycles of dissolution/precipitation of pedogenic clay minerals
Cornelis, Jean-Thomas ULg; Weis, Dominique; Lavkulich, Les et al

in Mineralogical Magazine (2013), 77(5), 918

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See detailStudy of a solar concentrator for space based on a diffractive/refractive optical combination
Michel, Céline ULg; Loicq, Jerôme ULg; Languy, Fabian ULg et al

in AIP Conference Proceedings (2013), (1556), 97-100

This paper presents a new design of a planar solar concentrator for space applications focusing on two spatially separated PV cells, allowing independent control of output power of each cell. It has the ... [more ▼]

This paper presents a new design of a planar solar concentrator for space applications focusing on two spatially separated PV cells, allowing independent control of output power of each cell. It has the advantages of both spectral splitting and solar concentration by the combination of a blaze transmission diffraction grating and a flat cylindrical Fresnel lens. An optical optimization has been realized and two variations of configuration have been developed to improve tracking tolerance: first, a design completed by secondary reflective concentrators and second, a symmetrical configuration composed of two lenses. First numerical results are presented, highlighting the possibility to design a concentrator at about 10×, with an electrical output power about 290W/m² lens and less than 10% losses for tracking errors lower than ±0.9°. [less ▲]

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See detailStrontium ranelate effect on knee osteoarthritis progression : a MRI analysis
Genant, HK; Zaim, S; Guermazi, A et al

in Osteoporosis International (2013), 24(1), 312-313

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See detailPrognostic value of FDG PET/CT in patients with hepatocellular carcinoma treated with liver transplantation.
GOVAERTS, L.; DETRY, Olivier ULg; BLETARD, Noëlla ULg et al

in European Journal of Nuclear Medicine and Molecular Imaging (2013), 2013(SUPPL), 287

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See detailRisk factors for atrial fibrillation and ventricular tachyarrhythmias in 3499 equids admitted at the liege university equine hospital between 1994 and 2011
Leroux, Aurélia ULg; Detilleux, Johann ULg; Sandersen, Charlotte ULg et al

in Proceedings of the 2013 ECEIM Congress (2013)

Risk factors for atrial fibrillation (AF) and pathological ventricular tachyarrhythmias (VTA) have been suspected in equids, however little epidemiologic data exists. The aim of this study was to ... [more ▼]

Risk factors for atrial fibrillation (AF) and pathological ventricular tachyarrhythmias (VTA) have been suspected in equids, however little epidemiologic data exists. The aim of this study was to determine risk factors for AF and VTA in a large equine population. Case files of 3499 equids admitted to the internal medicine department of the Liege University Equine Teaching Hospital between 1994 and 2011were reviewed. Amongst them, 495 horses with a suspicion of a cardiac abnormality underwent ECG and echocardiography. After calculation of prevalence of AF and VTA, we tested whether breed (chi-square test) or gender, age, body weight (BW) and presence of other cardiac diseases (logistic regressions) were risk factors (significance set at p<0.05). In the studied population, prevalence of AF was high (2.3%), whereas prevalence of VTA was low (0.7%). Warmbloods and standardbreds were significantly overrepresented in AF cases. High BW was a risk factor for AF (OR=3.54; CI=1.67-7.49), whereas age was not. No effect of breed, age or BW was demonstrated for VTA. AF was observed significantly more frequently in horses presenting with moderate to severe mitral regurgitation (MR), tricuspid regurgitation, and pulmonary regurgitation, and VTA was significantly more frequent in horses with MR. Several previously suspected but not statistically demonstrated risk factors of AF were confirmed in this study and horses presenting valvular disease could be at increased risk of developing AF and VTA. [less ▲]

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See detailLevels of Dechloranes and PBDEs in Serum from Central European Population
Brasseur, Catherine ULg; Focant, Jean-François ULg

in Organohalogen Compounds (2013), 75

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See detailSelf-shuffling words
Charlier, Emilie ULg; Kamae, Teturo; Puzynina, Svetlana et al

in Lecture Notes in Computer Science (2013), 7966

In this paper we introduce and study a new property of infinite words which is invariant under the action of a morphism: We say an infinite word x, defined over a finite alphabet A, is self-shuffling if x ... [more ▼]

In this paper we introduce and study a new property of infinite words which is invariant under the action of a morphism: We say an infinite word x, defined over a finite alphabet A, is self-shuffling if x admits factorizations: x=\prod_{i=1}^\infty U_iV_i=\prod_{i=1}^\infty U_i=\prod_{i=1}^\infty V_i with U_i,V_i \in \A^+. In other words, there exists a shuffle of x with itself which reproduces x. The morphic image of any self-shuffling word is again self-shuffling. We prove that many important and well studied words are self-shuffling: This includes the Thue-Morse word and all Sturmian words (except those of the form aC where a is a letter and C is a characteristic Sturmian word). We further establish a number of necessary conditions for a word to be self-shuffling, and show that certain other important words (including the paper-folding word and infinite Lyndon words) are not self-shuffling. In addition to its morphic invariance, which can be used to show that one word is not the morphic image of another, this new notion has other unexpected applications: For instance, as a consequence of our characterization of self-shuffling Sturmian words, we recover a number theoretic result, originally due to Yasutomi, which characterizes pure morphic Sturmian words in the orbit of the characteristic. [less ▲]

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See detailImaging osteoarthritis using (18F)FPRGD2 PET/CT : observation and potential application.
WITHOFS, Nadia ULg; ALVAREZ MIEZENTSEVA, Victoria ULg; SIMONI, Paolo ULg et al

in Journal of Nuclear Medicine (The) (2013), 54(SUPPL), 250

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See detailThe Future of the Past: Architectural Heritage Guides as Handbooks for City Decoding and as a Blueprints for Urban design
Occhiuto, Rita ULg; De Fijter, Arie; Hautecler, Paul-Christian ULg

in Actes du Colloque (2013)

The recent UNESCO Recommendations on the historic hurban landscape insist on the opportunity to "shift from an emphasis on architectural monuments primarly" towards "a landscape approach" including "the ... [more ▼]

The recent UNESCO Recommendations on the historic hurban landscape insist on the opportunity to "shift from an emphasis on architectural monuments primarly" towards "a landscape approach" including "the broader urban context and its geographical setting", to understand historic urban landscape "as the result of a historic layerling, and to create new tools to adress this vision". Along this line of thought of thought, the proposed approach expands the traditional contents of architectural guides, providing keys to reconsider and evaluate the listed works' contribution to the evolution of their immediate surrounding, to the urban structure as a whole, up to the territorial scale. Moving from a design-oriented perspective and using the methods of urban morphology, the work consists mainly of set of original schemes, maps and drawings of Liège and its neighborhoods, as means to reveal the urban structure, its layerling over time, and the role of architectural heritage in clarifuing, enhancing, or even degrading the coherence of the urban artifact. Halfway between popular and scholarly literature, the forthcoming guides aim to become at both times "handbooks for city decoding" and blueprints for urban design. Providing tools lo read, comprehehen, and appreciate the part played by built heritage in a city's evolution and in the shaping of our daily environment helps to understand urban environments as a process bearing the overlapping influences of many experiments, partially implemented plans, competing visions and contradictory ideas. As a result, both the ordinary and specialized audience can possibly raise their awareness and perception of modernist architecture's legacy, but also learn how certain qualities were achieved and how certain local issues came about, acquiring relevant critical keys to take part as stakeholders or designers in the debate over the future city. [less ▲]

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See detailThe general approach to the patient with osteoarthritis : is a treatment algorithm feasible ?
Reginster, Jean-Yves ULg

in Osteoporosis International (2013), 24(1), 385

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See detailPharmacological management : osteoporosis and osteoarthritis, similarities and differences
Reginster, Jean-Yves ULg

in Osteoporosis International (2013), 24(1), 75-76

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See detailPreliminary data on plicathyridines (Brachiopoda) from the Frasnian of southern Belgium and the Middle East (Afghanistan, Iran)
Mottequin, Bernard ULg; Marion, Jean-Marc ULg; Brice, Denise

in Documents de l’Institut Scientifique (Rabat) (2013), 26

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See detailEvaluation de l'exposition professionnelle aux cytostatiques des travailleurs de deux services du CHU de Liège
Rusu, Dorina; DUBOIS, Nathalie ULg; Surleraux, Cécile et al

in Acta Clinica Belgica (2013), 68(6), 472

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See detailProcessing of Ti alloys by additive manufacturing: a comparison of the microstructures obtained by laser cladding, selective laser melting and electron beam melting
Reginster, Sylvie ULg; Mertens, Anne ULg; Paydas, Hakan ULg et al

in Materials Science Forum (2013), 765

Additive manufacturing processes such as laser cladding (LC) or selective laser melting (SLM) appear very promising in view of an economic near-net-shape production – and also, in the case of LC, the ... [more ▼]

Additive manufacturing processes such as laser cladding (LC) or selective laser melting (SLM) appear very promising in view of an economic near-net-shape production – and also, in the case of LC, the restoration - of complex and (almost) fully dense parts from Ti alloys. Both techniques involve the melting of a metallic powder with a laser. In the SLM process, the metallic powder is deposited layer by layer in a powder bed and then molten locally according to the desired shape, whereas in LC, the metallic powder is directly projected onto a substrate through a nozzle coaxial with the laser beam. The present research aims at comparing Ti-6Al-4V samples processed by these two techniques with reference samples produced by electron beam melting (EBM), another well established additive manufacturing process (patented by Arcam AB Company) in which a powder bed is molten locally by means of an electron beam. In all three processes, the melt pool undergoes an ultrafast cooling and solidifies very rapidly once the beam has left the area, thus giving rise to strongly out-of-equilibrium microstructures. Yet, each one of these processes also has its own specificities e.g. in terms of scanning strategy and of working atmosphere (low vacuum vs. protective Ar flow). In the present work, the microstructures obtained by these three processes have been compared in details, with a particular attention for characteristics such as porosity, grain size, and the various phases present. Since epitaxial growth of the newly deposited layer on the material previously solidified has been shown [1, 2] to exert a strong influence on the microstructure and on the resulting mechanical properties, great care has been taken to study the microstructural anisotropy associated with each one of the three processes. [less ▲]

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See detailHow adaptation strategies of crops could counteract climate change effects? The case of four catchments in Wallonia, Belgium.
Bauwens, Alexandra ULg; Sohier, Catherine ULg; Degré, Aurore ULg

in Geophysical Research Abstracts (2013), 15

A sharp increase in extreme heat and drought stress is projected in Belgium by the end of the 21st century, with the potential to significantly reduce crops’ yields under current agricultural practices ... [more ▼]

A sharp increase in extreme heat and drought stress is projected in Belgium by the end of the 21st century, with the potential to significantly reduce crops’ yields under current agricultural practices. This contribution uses an agro-hydrological model in order to assess the potential effects of climate evolution on crop development, yield, and water balance for the main agricultural productions in the Meuse catchment. Erosion risk is also evaluated. We show that grasslands and maize yield decrease and yield variability increases under climate change scenarios. The leaf area index study permits to put in emphasis the earlier start of the vegetation due to warmer climate. It appears that all the sensitive stages occur earlier in the season and that crops are negatively affected by summer drought stress. The better understanding of crops development under evolving climate allows us to propose some changes in agricultural practices and to assess their effectiveness. We evaluate different strategies of adaptation in agricultural practices in order to reduce the potential negative effects of climate change on grasslands and maize production. Adaptation strategies proposed are advanced sowing and harvesting date, introduction of a cover crop for maize and advance in the cutting dates for grasslands. In the particular case of the Vesdre catchment, shifting the growth period of maize permits to avoid the water-deficit period and allow increased yield. This shift makes it possible to introduce a cover crop that will drastically reduce winter soil erosion. For grassland, the adjustment of the cutting dates favored the first cut and the earlier start of the vegetation. The second cut is less profitable due to summer drought stress. The vulnerability assessments focused on the main rotation encountered in the cultivated areas and in the difference in the cover type of these crops. [less ▲]

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See detailBaseline measurements of COLL2-1 and COLL2-1 NO2 in urine are highly predictive of joint space narrowing in knee osteoarthritis
Henrotin, Yves ULg; Kraus, V.; Huebner, J. et al

in Annals of Rheumatic Diseases (2013)

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See detailSimulation von Extraktionskolonnen für wässrige Zweiphasensysteme
Schmidt, M; Wessling, M; Pfennig, Andreas ULg

in Chemie Ingenieur Technik (2013)

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See detailTime-Controlled Cryogenic Zone Compression (tCZC) GC-HRMS, A Novel Tool fro Targetted Analysis at Uktra Trace Level
Krumwiede, D; Mehmlann, H; Focant, Jean-François ULg et al

in Organohalogen Compounds (2013), 75

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See detailPatients' preferences for osteoporosis drug therapy : a discrete choice experiment
Hiligsmann, Mickaël ULg; Dellaert, B; Dirksen, C et al

in Osteoporosis International (2013), 24(1), 53

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See detailIdentifying early Earth microfossils in unsilicified sediments
Javaux, Emmanuelle ULg; Asael, Dan; Bekker, Andrey et al

in Geophysical Research Abstracts (2013), 15

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See detail‘Volkomen Hollands en toch op Europees peil’: E. du Perron over Louis Couperus
Andringa, Kim ULg

in Cahiers voor een lezer (2013), 37

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See detailLocal estradiol synthesis in the brain and its implication in male and female sexual motivation of Japanese quail
de Bournonville, Catherine ULg; Schmit, Mélanie; Ball, Gregory F et al

in Trabajos del Instituto Cajal (2013)

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See detailInhibition of sclerostin with romosozumab in postmenopausal women with low BMD : phase 2 trial results
McClung, M; Grauer, A; Boonen, S et al

in Osteoporosis International (2013), 24(1), 38-39

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See detailValidation of analytical method for the determination in serum of psychotropic drugs commonly prescribed in Rwanda by HPLC-DAD
Hahirwa, Innocent; Charlier, Corinne ULg; DENOOZ, Raphael ULg et al

in Acta Clinica Belgica (2013), 68(6), 479

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See detailThe Immunomodulating Peptide Thymosin Alpha 1 Has no Effect on Multiple Myeloma Evolution and on Immune Reconstitution
Binsfeld, Marilène ULg; Otjacques, Eléonore ULg; Hannon, Muriel ULg et al

in Belgian Journal of Hematology (2013), Abstracts book(Supplement of 28th General Meeting of the Belgian Hematological Society), 41

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See detailModeling of Dendritic Cell-based vaccination Immunotherapy using Artificial Neural Networks
Mehrian, Mohammad ULg; Arabameri, Abazar; Sedghi, Alireza et al

in Modeling of Dendritic Cell-based vaccination Immunotherapy using Artificial Neural Networks (2013)

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See detailSymmetries in multi-Higgs-doublet models
Ivanov, Igor ULg; Vdovin, Evgeny

in AIP Conference Proceedings (2013)

We report the recent progress in understanding of symmetries which can be implemented in the scalar sector of electroweak symmetry breaking models with several Higgs doublets. In particular we present the ... [more ▼]

We report the recent progress in understanding of symmetries which can be implemented in the scalar sector of electroweak symmetry breaking models with several Higgs doublets. In particular we present the list of finite reparametrization symmetry groups which can appear in the three-Higgs-doublet models. [less ▲]

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See detailNutrition and bone health : turning beliefs into knowledge for healthy behaviour
Brandi, ML; Reginster, Jean-Yves ULg

in Osteoporosis International (2013), 24(1), 388-389

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See detailChirurgie bariatrique chez le patient diabétique de type 1 : résultats d’une expérience limitée.
FRANCK, Marie ULg; DE FLINES, Jenny ULg; PAQUOT, Nicolas ULg et al

in Diabète & Métabolisme (2013), 39(suppl), 102

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See detailStudy on the sensitivity of three oat varieties to the saddle gall midge, Haplodiplosis marginata (von Roser) (Diptera: Cecidomyiidae)
Censier, Florence ULg; Chavalle, Sandrine ULg; San Martin y Gomez, Gilles et al

in Communications in Agricultural and Applied Biological Sciences (2013), 78(2), 287-292

The saddle gall midge, Haplodiplosis marginata (von Roser, 1840) is a univoltine pest of cereals which occurs in Europe. The larvae feed on stems and attractive saddle-shaped depressions, driving to ... [more ▼]

The saddle gall midge, Haplodiplosis marginata (von Roser, 1840) is a univoltine pest of cereals which occurs in Europe. The larvae feed on stems and attractive saddle-shaped depressions, driving to important yield losses when the galls are numerous. After 40 years without any reporting, large populations of H. marginata and important damage have been observed since 2010 in wheat crops in Belgium, especially in the Flemish Polders where clay soils and intensive farming of cereals favour heavy infestations. According to some research conducted in the 1960s during the last outbreak, oat (Avena sativa L.) is known to be one of the less favourable hosts to the saddle gall midge. Our study was performed in order to assess the host sensitivity of three oat varieties currently grown in Belgium: EVITA, EFFEKTIV and FREDDY. Therefore, oat varieties were sown on infested soil in two separate enclosures in a glasshouse. In the first enclosure, only the three oat varieties were grown; in the second one, these three oat varieties were grown together with two varieties of spring wheat: GRANNY and KWS CHAMSIN. Two parameters were measured: the percentage of leaves with laid eggs, and the number of galls per stem. The percentage of leaves with eggs showed that the infestation was significantly lower on oats when they were in presence of wheat. The egg infestation was also significantly higher on wheat than on oat, which means oat is a much less favourable host plant than spring wheat for egg laying. Oat varieties were significantly different from each other regarding the number of galls per stem, but with very little damage compared to wheat. The FREDDY variety even seemed to be completely resistant to saddle gall midge, as no galls were observed although there was a similar percentage of leaves with eggs for the three oat varieties. Cropping oat could thus contribute to reduce infestations of H. marginata. [less ▲]

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See detailOn the Number of Abelian Bordered Words
Rampersad, Narad; Rigo, Michel ULg; Salimov, Pavel ULg

in Lecture Notes in Computer Science (2013), 7907

In the literature, many bijections between (labeled) Motzkin paths and various other combinatorial objects are studied. We consider abelian (un)bordered words and show the connection with irreducible ... [more ▼]

In the literature, many bijections between (labeled) Motzkin paths and various other combinatorial objects are studied. We consider abelian (un)bordered words and show the connection with irreducible symmetric Motzkin paths and paths in Z not returning to the origin. This study can be extended to abelian unbordered words over an arbitrary alphabet and we derive expressions to compute the number of these words. In particular, over a 3-letter alphabet, the connection with paths in the triangular lattice is made. Finally, we study the lengths of the abelian unbordered factors occurring in the Thue--Morse word. [less ▲]

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See detailGenetic analysis of pig survival in a crossbred population
Dufrasne, Marie ULg; Misztal, Ignacy; Tsuruta, Shogo et al

in Journal of Animal Science (2013), 91(E-Suppl.2), 193

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See detailFirst steps towards an explicit modeling of aba production and translocation in relation with the water uptake dynamics
Lobet, Guillaume ULg; Pagès, Loic; Draye, Xavier

in Acta Horticulturae (2013), 991

Water flow in the plant continuum is thought to be controlled by the leaf, xylem and the root radial conductances. Leaf conductance is widely recognized as the master control in the system as it can act ... [more ▼]

Water flow in the plant continuum is thought to be controlled by the leaf, xylem and the root radial conductances. Leaf conductance is widely recognized as the master control in the system as it can act as a switch in the water flow, even under high transpiration demand. The control of the stomatal aperture by the plant has been the object of numerous research projects since decades and different models have been developed to study stomatal regulation. The plant hormone abscisic acid (ABA) produced in the leaves acts as an endogenous signal triggering stomatal closure, but is also thought to act as a long distance signal that is produced by roots experiencing water deficit. However, the relative contributions of leaf-supplied ABA, root-supplied ABA and xylem water potential in the regulation of water flow remains a matter of controversy. Using a novel functional structural plant model (PlaNet-Maize-ABA), we report here a first attempt to explicitly simulate ABA production, degradation, translocation in all plant organs and their effect on the transpiration flow. [less ▲]

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See detailThe interdependent relationship between C dynamics and soil-forming processes in a podzollic chronosequence under a temperate rainforest.
Vermeire, Marie-Liesse; Lavkulich, Les; Cornelis, Jean-Thomas ULg

in Geophysical Research Abstracts (2013), 15

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See detailGrétry mémorialiste ou l’ethos du compromis
Daubercies, Laurence ULg

in Art&Fact (2013)

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See detailGenetic analysis of longitudinal measurements of feed intake in Piétrain sire lines
Dufrasne, Marie ULg; Jaspart, Véronique; Wavreille, José et al

in Journal of Animal Science (2013), 91(E-Suppl.2), 293

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See detailThe Enhancement of Secondary Succession by Western Lowland Gorillas (Gorilla gorilla gorilla) in a Moist Tropical Forest of Southeast Cameroon
Petre, Charles-Albert ULg; Haurez, Barbara ULg; Tagg, Nikki et al

in Folia Primatologica : International Journal of Primatology = Internationale Zeitschrift für Primatologie = Journal international de Primatologie (2013), 84

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See detailImage-guided failure assessment of human trabecular bone - Inverse finite element modelling for characterization of elastic properties
Zwahlen, Alexander; Christen, David; Ruffoni, Davide ULg et al

in BIOMEDICAL ENGINEERING-BIOMEDIZINISCHE TECHNIK (2013), 58(1),

Local interpretation of micro finite element (mu FE) simulations has become important in different fields of bone biomechanics. Although on an apparent level mu FE has successfully been validated against ... [more ▼]

Local interpretation of micro finite element (mu FE) simulations has become important in different fields of bone biomechanics. Although on an apparent level mu FE has successfully been validated against experiments, local validations are sparse and limited by imaging resolution. At the tissue level heterogeneity of Young's modulus has been reported. Although non-uniform material distribution have been shown to only have a minor influence on the apparent material properties, its impact on local material behaviour is largely unknown. By combining image-guided failure assessment (IGFA) using synchrotron-based-micro-computed tomography, strain mapping and inverse mu FE modelling, we present an experimental and computational framework which will allow studying local effects of intratrabecular heterogeneity of the Young's modulus. [less ▲]

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See detailPrognostic value of FDG PET/CT in patients with lung tumors treated by Cyberknife.
LOVINFOSSE, Pierre ULg; JANVARY, Zsolt Levente ULg; JANSEN, Nicolas ULg et al

in Journal of Nuclear Medicine (The) (2013), 54(SUPPL), 567

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See detailHydrological and geopedological dynamics of a forested slope
Deraedt, Deborah ULg; Degré, Aurore ULg; Colinet, Gilles ULg

in Geophysical Research Abstracts (2013), 15

Though forested watersheds are really particular in terms of hydrodynamics, most of the hydrological models oversimplify the phenomena involved. More investigations are unavoidable to improve the ... [more ▼]

Though forested watersheds are really particular in terms of hydrodynamics, most of the hydrological models oversimplify the phenomena involved. More investigations are unavoidable to improve the knowledge and the modelling of this environment. Here is the aim of this study. The studied slope is located on the Houille watershed in the West of the Belgian Ardenne (50 1’47”N, 4 53’22”E) on a silty rocky soil. The site is situated under a Douglas fir (Pseudotsuga menziesii (MIRB.) FRANCO) and spruce stand cover (Picea abies (L.) Karst). It is about 160 meters long with a North-West facing slope between 7 and 55%. The goal of the study is : - to characterise the hydrological and pedogeological dynamics along a forested slope, - to compare these dynamics with the tree growth. For the geopedological part of the study, eight pits were dug to describe the soil and take some soil samples used for granulometric, chemical, etc. analysis. We have used geophysical methods (Electrical Resistivity Tomography and Ground Penetrating Radar) to estimate the soil depth. As for the hydrological part of this study, moisture sensors (capacitive and TDR) have been installed in the pits along the slope. A dye tracing test has been performed to underline the preferential flow and the importance of the subsurface flow. Several trees have been equipped with dendrometers and some measures of the LAI and the height of the trees are planned. [less ▲]

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See detailSimultaneous fitting of statistical-model parameters to symmetric and asymmetric fission cross sections
Mancusi, Davide; Charity, R.J; Cugnon, Joseph ULg

in Journal of Physics: Conference Series (2013), 420

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See detailRecensement des dosages d'alcool sanguin effectués dans le cadre de la sécurité routière
DEVILLE, Marine ULg; Charlier, Corinne ULg

in Acta Clinica Belgica (2013), 68(6), 479

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See detailSpectral Modelling of Massive Binary Systems: The Example of LZ Cep
Palate, Matthieu ULg; Rauw, Grégor ULg; Mahy, Laurent ULg

in Central European astrophysical bulletin (2013)

Despite their importance for many astrophysical processes, massive stars are still not fully understood. Massive binaries offer an attractive way to improve our knowledge of the fundamental properties of ... [more ▼]

Despite their importance for many astrophysical processes, massive stars are still not fully understood. Massive binaries offer an attractive way to improve our knowledge of the fundamental properties of these objects. However, some secondary effects are known to generate variations in the spectra of massive binaries, rendering their analyses more difficult. We present here a new approach to the computation of synthetic spectra of massive binaries at different phases of their orbital cycle. Our model starts with the Roche potential modified by radiation pressure and accounts for the influence of the companion star on the shape and physical properties of the stellar surface. We further account for gravity darkening and reflection effects to compute the surface temperature. Once the local gravity and temperature are determined, we interpolate in a grid of NLTE plan-parallel atmosphere model spectra to obtain the local contribution to the spectrum at each surface points. Then we sum all the contributions, accounting for the Doppler shift, and limb-darkening to obtain the total spectrum. The computation is repeated for different orbital phases and can be compared to the observations to determine the best parameters. We illustrate our method through the example of the LZ Cep system (O9III + ON9.7V). [less ▲]

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See detailStrunian Rugose and Tabulate corals from Northwestern Turkey
Denayer, Julien ULg

in Document de l'Institut Scientifique, Rabat (2013), 26

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See detailQuantitative determination of non persistent endocrine disruptors in human urine
Dewalque, Lucas ULg; PIRARD, Catherine ULg; DUBOIS, Nathalie ULg et al

in Acta Clinica Belgica (2013), 68(6),

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See detailComparing Co-Parenting Among Gay- and Straight-Parented Triads
D'Amore, Salvatore ULg; Miscioscia, Marina ULg; Delvoye, Marie

in Psychology, Community & Heath (2013), 2(2), 87-88

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See detailIntraperitoneal Adhesions After Open or Laparoscopic Abdominal Procedure: An Experimental Study in the Rat.
Arung, Willy; Drion, Pierre ULg; Honoré, Pierre ULg et al

in Surgical Endoscopy (2013), 27

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See detailInitiation of methane turbulent flux measurements over a grazed grassland in Belgium
Dumortier, Pierre ULg; Aubinet, Marc ULg; Chopin, Henri ULg et al

in Geophysical Research Abstracts (2013), 15

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See detailFeasibility and accessibility to the laparoscopic procedures in University Hospital of Kinshasa
Nsadi Fwene, Berthier; Veyi Tadulu, D.; Kazadi Mutshim, JM et al

in Surgical Endoscopy (2013), 27

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See detailLa Meuse comme "Barrière" ? Regards croisés sur une frontière stratégique entre la France et l'Allemagne (1870-1914)
Bechet, Christophe ULg

in Revue Belge de Philologie et d'Histoire (2013), XCI(4), 1155-1186

In the margins of the London Treaty of 1831, a secret provision – regarding the defence of the Belgian fortresses in case of a war against France by the other Powers was maintained, putting the strategic ... [more ▼]

In the margins of the London Treaty of 1831, a secret provision – regarding the defence of the Belgian fortresses in case of a war against France by the other Powers was maintained, putting the strategic burden of the old « Low Countries Barrier » of 1815 on the frail shoulders of the newly-formed Kingdom of Belgium. To the full satisfaction of the Belgian Government, this « Fortress agreement » was practically forgotten afterwards. Nevertheless, after the Franco-Prussian War of 1870-1871, a march of the French and German armies through the Meuse valley became more and more a nightmarish eventuality. As a consequence, the towns of Liège and Namur were surrounded with modern forts to check any invasion attempt by belligerents. This shift in defensive paradigm led to numerous diplomatic and military commentaries in Belgium and abroad. Meanwhile, the new railways established between Meuse and Rhin increased the strategic value of the Ardennes-Eifel area. Finally, these modifications to the border area distorted the French and German war plans. At the beginning of the twentieth century, war-planners had started to look at the Belgian Meuse valley from a completely new perspective. [less ▲]

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See detailProbing the phase of the elastic $pp$ scattering amplitude with vortex proton beams
Ivanov, Igor ULg

in AIP Conference Proceedings (2013)

We show that colliding vortex proton beams instead of (approximate) plane waves can lead to a direct measurement of how the overall phase of the scattering amplitude changes with the scattering angle. In ... [more ▼]

We show that colliding vortex proton beams instead of (approximate) plane waves can lead to a direct measurement of how the overall phase of the scattering amplitude changes with the scattering angle. In elastic $pp$ scattering, this will open a novel way to measure the parameter $\rho(t)$ and probe the real part of the Pomeron. [less ▲]

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See detailPrevalence of vitamin D inadequacy in European postmenopausal women aged over 80 years
Bruyère, Olivier ULg; Slomian, Justine ULg; Beaudart, Charlotte ULg et al

in European Geriatric Medicine (2013), 4(S1), 13-14

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See detailSpatial distribution of erosion and deposition on an agricultural watershed
Pineux, Nathalie ULg; Colinet, Gilles ULg; Degré, Aurore ULg

in Geophysical Research Abstracts (2013), 15

To better understand the agricultural landscapes evolution becomes an essential preoccupation and, for this, it is needed to take into account the sediments deposition, in a distributed way. As it is not ... [more ▼]

To better understand the agricultural landscapes evolution becomes an essential preoccupation and, for this, it is needed to take into account the sediments deposition, in a distributed way. As it is not possible in practice to study all terrestrial surfaces in detail by instrumenting sectors to obtain data, models of prediction are valuable tools to control the current problems, to predict the future tendencies and to provide a scientific base to the political decisions. In our case, a landscape evolution model is needed, which aims at representing both erosion and sedimentation and dynamically adjusts the landscape to erosion and deposition by modifying the initial digital elevation model. The Landsoil model (Landscape design for Soil conservation under soil use and climate change), among others, could fulfil this objective. It has the advantage to take the soil variability into account. This model, designed for the analysis of agricultural landscape, is suitable for simulations from parcel to catchment scale, is spatially distributed and event-based. Observed quantitative data are essential (notably to calibrate the model) but still limited. Particularly, we lack observations spatially distributed on the watershed. For this purpose, we choose a watershed in Belgium (Wallonia) which is a 124 ha agricultural zone in the loamy region. Its slopes range from 0% to 9%. To test the predictions of the model, comparisons will be done with: - sediment measurements which are done with water samplings in four points on the site to compare the net erosion results; - sediment selective measurements (depth variation observed along graduated bares placed on site) to compare the erosion and deposition results; - very accurate DSM’s (6,76 cm pixel resolution X-Y) obtained by the drone (Gatewing X100) each winter. Besides planning what the landscape evolution should be, a revision of the soil map (drew in 1958) is organized to compare with the past situation and establish how the landscape moved in 50 years. The first results of the sediment measurements and of the pictures of the drone will be showed in the presentation. [less ▲]

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See detailSystemic Active and Total Myeloperoxidase Levels in Coronary Artery Disease.
GACH, Olivier ULg; MAGNE, Julien ULg; Franck, Thierry ULg et al

in Cardiology (2013), 126(Suppl. 2), 1-521

Backgound: Measurement of total Myeloperoxidase (MPO) by ELISA is considered as a marker of neutrophil activation but is not the true indicator of the degree of its activity. In a dynamic pathology such ... [more ▼]

Backgound: Measurement of total Myeloperoxidase (MPO) by ELISA is considered as a marker of neutrophil activation but is not the true indicator of the degree of its activity. In a dynamic pathology such as atherosclerosis, it may be important to measure the real active part of MPO because it represents the true witness of the oxidant potential of the enzyme. Aim: To identify the relation between coronary artery disease identified by coronaro-angiography on measured serum total and active MPO levels and evaluate the correlation between these MPO levels and the presence of clinically defined unstable condition. Methods: Prospective analyse of serum samples of patients before (within 30 min) coronaro-angiography. Total and active MPO concentrations were assessed by sandwich Elisa and SIEFED® method’s respectively. Results: Two hundred and twenty patients were included in this study (age: 66.1±10.7 years, 67% of male). Among these, 62% presented significant coronary artery disease (stenosis more than 60% at least in one épicardial coronary artery). Twenty four patients (11%) presented unstable coronary syndrome. Mean active and total MPO in the general population were 50.1±63.5 and 147.6±223.3 ng.mL-1 respectively. In comparison, mean active MPO was 47.1±47.9 ng.mL-1 in stable patients and 75.1±135.2 ng.mL-1 in unstable patients (p=0.04). Mean total MPO was 146.3±224.7 ng.mL-1 in stable patients and 158.2±215.8 ng.mL-1 in the unstable’s one (p=0.8). There was a significant correlation between active MPO levels and instability (r=0.14, p=0.04) not present for total MPO levels (r=0.016, p=0.8). Conclusion: We observed a correlation between active MPO and clinical instability while there was no correlation with total MPO. Our preliminary results suggest that this marker could be a powerful indicator of instability which could possess an important prognostic impact. This hypothesis requires an evaluation in wider population and during a prolonged follow-up. [less ▲]

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See detailEstimation of the fascine efficiency in terms of runoff infiltration and sediments deposition
Degré, Aurore ULg; Pineux, Nathalie ULg; Cantreul, Vincent ULg et al

in Geophysical Research Abstracts (2013), 15

Runoff inundations and mudflows are more and more frequent phenomena. In 2011, Belgium had a lot of its municipalities affected by this problematic. Since then, mitigation measures are more and more set ... [more ▼]

Runoff inundations and mudflows are more and more frequent phenomena. In 2011, Belgium had a lot of its municipalities affected by this problematic. Since then, mitigation measures are more and more set up in agricultural watersheds. The fascines are one of these measures which allow to protect the public and private infrastructures and in the same way, which don’t reduce the famers productivity. They consist in branches faggots piled up between two rows of stakes. These linear constructions are mainly put in place across concentrated runoff axis in order to slow down the water and to filter the mud. Only few quantifications of their effectiveness (in terms of flow and concentration water reduction) exist and are however needed to better recommend these types of mitigation measures. Our experiment aims at measuring discharge and mud concentration reduction due to the fascines in a completely defined context. The tests were realised through fascines planted in field border. A watertight surface of 2,45m to 0,80m carries the water to the fascines. Three types of fascines were tested (willow wood fascine, straw fascine, straw compacted fascine), three different water flows were applied (0,5L/s, 3L/s and 6L/s) and three water concentration in dry soil (13g/L, 26g/L, 38g/L) were used. The different factor combinations were tested. The results show that we can expect a reduction of 60% of the flow for the biggest water flows (proportional efficiency with the water flow). The factor interaction study doesn’t allow to see a difference between the type. About the sediment water concentration, the filtration can reach 50%, the fascine with wood faggots showing a better efficiency. Finally, the difference between the fascine type show that straw fascine can support a biggest watershed (25 hectares) than the wood faggot fascine can (5-10 hectares) but during a smaller return period (one year against five years). [less ▲]

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See detailInteraction of fengycin with stratum corneum mimicking model membranes: a calorimetry study
Nasir, Mehmet Nail ULg; Eeman, Marc; Olofsson, Gerd et al

in European Biophysics Journal [=EBJ] (2013), 42(S1), 168

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See detailDéveloppement et validation de la version française d'un questionnaire traitant des attentes des patients dans l'arthrose des membres inférieurs
NEUPREZ, Audrey ULg; Delcour, JP; Fatemi, F et al

in Revue du Rhumatisme (2013), 80(S1), 181

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See detailHypovitaminosis D and osteoporosis in burn patients: are the current practices enough ?
ROUSSEAU, Anne-Françoise ULg; LEDOUX, Didier ULg; DAMAS, Pierre ULg et al

in Osteoporosis International (2013), 24(Suppl 1), 377

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See detailBolero-6:Phase 2 Study of Everolimus plus Exemestane versus Everolimus or Capecitabine Monotherapy in HR+HER2- Advanced Breast Cancer
Ejlerstsen, Bent; JERUSALEM, Guy ULg; Hurvitz, Sara et al

in Journal of Clinical Oncology (2013), 31

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See detailLa consommation d’oleuropéine ou de rutine diminue le développement spontané de l’arthrose chez le cobaye Hartley
Sanchez, Christelle ULg; Horcajada, Marie-Noëlle; Membrez, Fanny et al

in Revue du Rhumatisme (2013), 80S

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See detailExtension of the Liège Intra Nuclear Cascade model to light ion-induced collisions for medical and space applications
Leray, S.; Mancusi, D.; Kaitaniemi, P. et al

in Journal of Physics: Conference Series (2013), 420

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See detailSurface and lipid interaction properties of novel rhamnolipids to explain their eliciting activity
Nasir, Mehmet Nail ULg; Monhonval, Pierre; Nott, Katherine ULg et al

in European Biophysics Journal [=EBJ] (2013), 42(S1), 168

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See detailOptimizing scale search in species distribution models
Serckx, Adeline ULg; Huynen, Marie-Claude ULg; Beudels-Jamar, Roseline et al

in Folia Primatologica : International Journal of Primatology = Internationale Zeitschrift für Primatologie = Journal international de Primatologie (2013), 84

The influence of spatial scale on ecological processes and pattern formation, such as species distribution is a major research topic since decades. It has become even more relevant in the context of ... [more ▼]

The influence of spatial scale on ecological processes and pattern formation, such as species distribution is a major research topic since decades. It has become even more relevant in the context of global change. In many studies the influence of a predictor on a response derived over multiple and discrete spatial scales is evaluated. Due to inherent issue of multiple testing, this approach can be problematic. In this study on bonobos distribution, we suggest a 3-steps procedure that overcomes this problem. It takes into account the decay of a predictor by using a weighting function of distance to the observation of interest. We use variables to account for human pressure, food availability, patchy structure of the forest and nesting sites re-use. In a first step, we run a model with a fixed scale for every predictor based on expert opinion. For significant variables, we derive then in a second step the distance weighted influence over a range of scales. This helps to narrow down the search for the final model parameter estimates. Findings indicate that bonobo distribution is driven on the intermediate scale by forest patches structure. Food availability explains their abundance only at smaller scales. Those results demonstrate the sadly well-known influence of habitat fragmentation on animals’ density and distribution but also highlight the importance to understand influences of scale, the animal perceptions of their environment, by using appropriate statistical procedures. Our method can be particularly useful to formulate specific management hypotheses for conservation. Furthermore, its principles can be of use to other types of studies, such as behavior. [less ▲]

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See detailThe neural correlates of recollection and familiarity during aging
Angel, Lucie; Bastin, Christine ULg; Genon, Sarah ULg et al

in Journal of Psychophysiology (2013), 27(Suppl 1), 48

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See detailComparison of Immune Reconstitution after Hematopoietic Stem Cell Transplantation with Flu-TBI versus TLI-ATG Conditioning
Hannon, Muriel ULg; Humblet-Baron, S.; Graux, C. et al

in Belgian Journal of Hematology (2013), Abstracts book(Supplement of 28th General Meeting of the Belgian Hematological Society), 38

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See detailImproving the Accuracy of Monitoring Great Apes in the Wild: A Case Study from Southeast Cameroon
Tagg, Nikki; Willie, Jacob; Petre, Charles-Albert ULg

in Folia Primatologica : International Journal of Primatology = Internationale Zeitschrift für Primatologie = Journal international de Primatologie (2013), 84

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See detailDe la Paix d'Angleur (1313) au sac de Liège (1468). Aspects des luttes socio-politiques à Liège aux XIVe et XVe siècles
Xhayet, Geneviève ULg

in Bulletin de la Société d'Art et d'Histoire du Diocèse de Liège (2013), LXX

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See detailAnother Generalization of Abelian Equivalence: Binomial Complexity of Infinite Words
Rigo, Michel ULg; Salimov, Pavel ULg

in Lecture Notes in Computer Science (2013), 8079

The binomial coefficient of two words u and v is the number of times v occurs as a subsequence of u. Based on this classical notion, we introduce the m-binomial equivalence of two words refining the ... [more ▼]

The binomial coefficient of two words u and v is the number of times v occurs as a subsequence of u. Based on this classical notion, we introduce the m-binomial equivalence of two words refining the abelian equivalence. The m-binomial complexity of an infinite word x maps an integer n to the number of m-binomial equivalence classes of factors of length n occurring in x. We study the first properties of m-binomial equivalence. We compute the m-binomial complexity of the Sturmian words and of the Thue-Morse word. We also mention the possible avoidance of 2-binomial squares. [less ▲]

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