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See detailL'espace transitionnel winnicotien et l'_Urraum_ kantien
Seba, Jean-Renaud ULg

in Revista Natureza Humana (in press)

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See detailMoyens et enjeux d’une approche didactique des Illuminations
Saint-Amand, Denis ULg

in Parade Sauvage (in press), 25

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See detailRetranslating Cameroon Fulani 'Mbooku' Poems
Oumarou Mal Mazou, Rachid ULg

in Hermeneus : Revista de traducción e interpretación (in press), 17

The article is a retranslation attempt of a Cameroon Fulani 'Mbooku' poem previously transcribed from oral material and translated into English by the Japanese scholar Paul K. Eguchi in 1992. It aims at ... [more ▼]

The article is a retranslation attempt of a Cameroon Fulani 'Mbooku' poem previously transcribed from oral material and translated into English by the Japanese scholar Paul K. Eguchi in 1992. It aims at showing how (re)translation is important for such 'endangered' literature like African oral poems. Moreover, it contributes in introducing primary oral literature to the field of translation studies. [less ▲]

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See detailDrivers of the winter–spring phytoplankton bloom in a pristine NW Mediterranean site, the Bay of Calvi (Corsica): A long-term study (1979–2011)
Goffart, Anne ULg; Hecq, Jean-Henri ULg; Legendre, Louis

in Progress in Oceanography (in press)

This work is based on a long time series of data collected in the well-preserved Bay of Calvi (Corsica island, Ligurian Sea, NW Mediterranean) between 1979 and 2011, which include physical characteristics ... [more ▼]

This work is based on a long time series of data collected in the well-preserved Bay of Calvi (Corsica island, Ligurian Sea, NW Mediterranean) between 1979 and 2011, which include physical characteristics (31 years), chlorophyll a (chl a, 15 years), and inorganic nutrients (13 years). Because samples were collected at relatively high frequencies, which ranged from daily to biweekly during the winter-spring period, it was possible to (1) evidence the key role of two interacting physical variables, i.e. water temperature and wind intensity, on nutrient replenishment and phytoplankton dynamics during the winter-spring period, (2) determine critical values of physical factors that explained interannual variability in the replenishment of surface nutrients and the winter-spring phytoplankton bloom, and (3) identify previously unrecognized characteristics of the planktonic ecosystem. Over the >30 year observation period, the main driver of nutrient replenishment and phytoplankton (chl a) development was the number of wind events (mean daily wind speed >5 m s-1) during the cold-water period (subsurface water ≤13.5°C). According to winter intensity, there were strong differences in both the duration and intensity of nutrient fertilization and phytoplankton blooms (chl a). The trophic character of the Bay of Calvi changed according to years, and ranged from very oligotrophic (i.e. subtropical regime, characterized by low seasonal variability) to mesotrophic (i.e. temperate regime, with a well-marked increase in nutrient concentrations and chl a during the winter-spring period) during mild and moderate winters, respectively. A third regime occurred during severe winters characterized by specific wind conditions (i.e. high frequency of northeasterly winds), when Mediterranean “high nutrient - low chlorophyll” conditions occurred as a result of enhanced cross-shore exchanges and associated offshore export of the nutrient-rich water. There was no long-term trend (e.g. climatic) in either nutrient replenishment or the winter-spring phytoplankton bloom between 1979 and 2011, but both nutrients and chl a reflected interannual and decadal changes in winter intensity. [less ▲]

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See detailMigration, prostitution and the representation of the black female subject in Nigerian video films about Italy
Jedlowski, Alessandro ULg

in Journal of Italian Cinema and Media Studies (in press)

Much contemporary images of black women in Italian media are marked by the legacy of colonialist propaganda and tend to perpetuate a representation of black women as passive eroticized objects of the ... [more ▼]

Much contemporary images of black women in Italian media are marked by the legacy of colonialist propaganda and tend to perpetuate a representation of black women as passive eroticized objects of the white male gaze. In this sense, Ponzanesi’s call for ‘new and less biased representations, which could help to assess the multiple subject positions that black identities now occupy’ (2005: 179) is still relevant. This article responds to this call by analyzing two Nigerian video films that thematize migration and prostitution trafficking in Italy. By highlighting the complexity of the processes of ‘subjectivation’ taking place throughout the migratory process, these videos invite their viewers to look at the postcolonial subject’s responsibility in shaping the world in which s/he lives, and offer a representation of the black female subject able to go beyond the voyeuristic attitude that characterize much of the existing contemporary Italian visual culture about this topic. [less ▲]

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See detailCarrying capacity of stainless steel columns in the low slenderness range.
Rossi, Barbara ULg; Rasmussen, Kim J.R.

in Journal of Structural Engineering (in press)

The strength of thin-walled stainless steel columns has been investigated extensively over the past few years. In European standards, the concept of section classification for determining the cross ... [more ▼]

The strength of thin-walled stainless steel columns has been investigated extensively over the past few years. In European standards, the concept of section classification for determining the cross-section capacity is used. In this system, for Class 4 cross-sections, the Effective Width Method (EWM) must be used to account for the effect of local buckling. Because of the complexity and limitations of this method, other methods have been developed, such as the Direct Strength Method (DSM) for cold-formed thin-walled profiles and the Continuous Strength Method (CSM), initially established for members made of nonlinear metallic materials. In the CSM, to take advantage of strain hardening, a deformation-based design approach employing a continuous relationship between the cross-sectional slenderness and the cross-sectional deformation capacity is used. To a large extent, the CSM yield accurate predictions, especially in the low slenderness range where the current DSM design procedures for members submitted to pure compression tends to produce conservative predictions, for materials with pronounced strain hardening such as stainless steel alloys. The present paper presents an extension of the traditional DSM which provides accurate design strength predictions in the low slenderness range for stainless steel thin-walled section columns failing by distortional, local and overall buckling. It contains practical information concerning the reference experimental data and draws conclusions about the justification of the proposed analytical formula. The paper is divided into three main parts: the description of the database, the establishment of the design model and a reliability analysis of the method. [less ▲]

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See detailThe “Belgian Tetris”: Assessing the political impact of metaphors on citizens’ representations of Belgian federalism
Perrez, Julien ULg; Reuchamps, Min

in Metaphor and the Social World (in press)

Based on the idea that metaphors do not only reflect the perceived reality, but also function as cues through which citizens come to understand complex political processes, the aim of this study is to ... [more ▼]

Based on the idea that metaphors do not only reflect the perceived reality, but also function as cues through which citizens come to understand complex political processes, the aim of this study is to look at how specific metaphors might impact on the citizens' framing of Belgian federalism. To measure the impact of metaphors on the citizens' political representations, we conducted an experiment among 493 citizens based on an article published in the newspaper Le Soir in which Belgian federalism was compared to a Tetris game in both a text and an image. The participants were distributed into four experimental conditions according to the type of input they had been exposed to (text and image, text only, image only, no input) and were asked to perform a free description task. The productions of the participants were analyzed using keyword analyses and content analyses. The results suggest that the participants who had been exposed to the experimental text tend to differently frame their perception of Belgian federalism. These results show that reading the text, more than looking at the image, has an impact on the representations of the citizens but that this impact is short-lived. [less ▲]

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See detailMicroanatomy of the cervical and anorectal squamocolumnar junctions: a proposed model for anatomical differences in HPV-related cancer risk
Yang, Eric J; Quick, Charles M; Hanamornroongruang, Suchanan et al

in Modern Pathology : An Official Journal of the United States & Canadian Academy of Pathology, Inc (in press)

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See detailClinical pharmacology of antifungal agents to overcome drug resistance in pediatric patients
STERGIOPOULOU, Theodouli ULg; Walsh, Thomas J.

in Expert opinion on pharmacotherapy (in press), 16(2), 213-26

INTRODUCTION: Antifungal resistance is an emerging problem that increases morbidity and mortality in immunosuppressed pediatric patients, who suffer from invasive fungal diseases. Optimal pharmacological ... [more ▼]

INTRODUCTION: Antifungal resistance is an emerging problem that increases morbidity and mortality in immunosuppressed pediatric patients, who suffer from invasive fungal diseases. Optimal pharmacological management is critical for the successful treatment of invasive fungal infections by resistant strains. AREAS COVERED: This paper reviews the mechanisms of resistance of different classes of antifungal agents and the current understanding of pediatric antifungal pharmacology for overcoming antifungal resistance in children based on laboratory and clinical studies in the English literature. The therapeutic choices against fungal pathogens with intrinsic or acquired resistance are further reviewed. EXPERT OPINION: There is a paucity of data in the pediatric population regarding the epidemiology of the resistant organisms to different antifungal agents. It is also unknown if there are more prevalent molecular mechanisms that promote antifungal resistance. Selection and dosages of the most effective antifungal agent for overcoming the antifungal resistance is crucial. However, there are limited studies guiding the optimal dosage and duration of treatment for management of emergent antifungal resistance. Further studies are warranted to elucidate the optimal pharmacology of the current antifungal agents against resistant organisms and to advance the development of new antifungal agents. [less ▲]

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See detailComique et didactique : le rire en classe de langue ?
Defays, Jean-Marc ULg

in Vivre le Français : Revue de l'Association Belge des Professeurs de Français (in press), 245

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See detailPublication outcomes of the abstracts presented at the 2011 European Congress on Osteoporosis, Osteoarthritis and Musculo-Skeletal Diseases (ECCEO-IOF11) : A position paper of the European Society for Clinical and Economical Aspects of Osteoporosis, Osteoarthritis and Musculo-Skeletal Diseases (ESCEO) and the International Osteoporosis and Other Skeletal Diseases Foundation (IOF).
Rabenda, Véronique ULg; Bruyère, Olivier ULg; Cooper, Cyrus et al

in Archives of osteoporosis (in press)

The publication outcomes of the abstracts presented during the ECCEO-IOF 2011 reflect a high research productivity, support the robustness of the selection process conducted by the Scientific Advisory ... [more ▼]

The publication outcomes of the abstracts presented during the ECCEO-IOF 2011 reflect a high research productivity, support the robustness of the selection process conducted by the Scientific Advisory Committee and suggest that IOF-ESCEO WCO is successful in its mission to promote and disseminate research. BACKGROUND AND OBJECTIVE: The European (now World) Congress on Osteoporosis, Osteoarthritis and Musculo-Skeletal Diseases (IOF-ESCEO WCO, formerly ECCEO-IOF) is the largest worldwide event fully dedicated to the clinical, epidemiological, translational and economic aspects of bone, joint and muscle diseases. The role of the Scientific Advisory Committee is to select abstracts for oral communication or poster presentation based on a short summary of the research. The aim of the present survey was to determine the publication rate in international peer reviewed journals of abstracts accepted at the IOF-ESCEO WCO 2011 Meeting (formerly ECCEO-IOF11), the relationship, if any, between the presentation format of the abstract and its subsequent full publication and the impact factor of the journal in which research was published. RESULTS: Of 619 abstracts accepted at the 2011 ECCEO-IOF11 annual meeting, 45 were accepted for oral communication and 574 accepted for poster presentation. In the subsequent 3 years (2011-2014), 191 abstracts were published as a full-length manuscript (30.9 %). The publication rate was significantly higher for oral communications (75.6 %) than for poster presentations (27.4 %; p < 0.0001). Publications derived from oral communications were published in journals with a higher impact factor (8.3 +/- 10.1) than those arising from poster presentations (4.0 +/- 2.3; p < 0.0001), but there was no difference in the time to publication (OC 16.3 [IQR 8.4-23.3] months vs PP 11.3 [IQR 5.3-21.4]; p = 0.14). CONCLUSION: These results indicate a high research productivity and an appropriate selection of oral communication by the Scientific Advisory Committee of ESCEO-IOF. [less ▲]

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See detailWorking memory deficits in developmental dyscalculia: the importance of serial order.
Attout, Lucie ULg; Majerus, Steve ULg

in Child Neuropsychology : A Journal on Normal & Abnormal Development in Childhood & Adolescence (in press)

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See detailOrganocatalytic synthesis of bio-based cyclic carbonates from CO2 and vegetable oils
Alves, Margot ULg; Grignard, Bruno ULg; Gennen, Sandro ULg et al

in RSC Advances (in press)

Bio-based cyclic carbonates were synthesized by coupling CO2 with epoxidized linseed oil using a catalytic platform composed of a bicomponent organocatalyst. A screening of the catalytic activity of a ... [more ▼]

Bio-based cyclic carbonates were synthesized by coupling CO2 with epoxidized linseed oil using a catalytic platform composed of a bicomponent organocatalyst. A screening of the catalytic activity of a series of organic salts and ionic liquids used in combination with (multi)phenolic or fluorinated hydrogen bond donors was realized before highlighting the synergistic effect between the organocatalyst and the most efficient cocatalysts. These kinetics studies, followed by IR spectroscopy under pressure, enabled to optimize the reaction conditions and to provide quantitative formation of the cyclocarbonated vegetable oil in short reaction time without using any organic solvent. [less ▲]

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See detailLe marché des radicaux libres. Sur quelques conditions médiatiques de la posture « néo-réactionnaire ».
Durand, Pascal ULg

in Quaderni : la Revue de la Communication (in press), 87

Years 1990-2000 could be characterized in France by the emergence of a current of thought and a nebula of intellectual actors collectively gathered under the label of the « New Reactionaries » since the ... [more ▼]

Years 1990-2000 could be characterized in France by the emergence of a current of thought and a nebula of intellectual actors collectively gathered under the label of the « New Reactionaries » since the publication of the controversial pamphlet, Le Rappel à l’ordre, by Daniel Lindenberg in 2002. Journalists, novelists, essayists, columnists, philosophers, showing a posture of refusal towards the « politically correct », the « moral left » and the « dominant ideology », they can be viewed as a kind of generic character, made up of peculiarities breaking away from any sociological assignment. The topics of this discourse tend to be analyzed from a point of view not included within the concerned polemical filed. The aim of this paper is to contribute to such an analysis by pointing out the transformations of the journalistic and publishing field from which the « new reactionaries » draw some of their powerful polemical efficiency. [less ▲]

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See detailShort communication: Evaluation of the microbiota of kefir samples using metagenetic analysis targeting the 16S and 26S ribosomal DNA fragments
Korsak Koulagenko, Nicolas ULg; Taminiau, Bernard ULg; Leclercq, Mathilde et al

in Journal of Dairy Science (in press)

Milk kefir is produced by fermenting milk in the presence of kefir grains. This beverage has several benefits for human health. The aim of this experiment was to analyze 5 kefir grains (and their products ... [more ▼]

Milk kefir is produced by fermenting milk in the presence of kefir grains. This beverage has several benefits for human health. The aim of this experiment was to analyze 5 kefir grains (and their products) using a targeted metagenetic approach. Of the 5 kefir grains analyzed, 1 was purchased in a supermarket, 2 were provided by the Ministry of Agriculture (Namur, Belgium), and 2 were provided by individuals. The metagenetic approach targeted the V1-V3 fragment of the 16S ribosomal (r)DNA for the grains and the resulting beverages at 2 levels of grain incorporation (5 and 10%) to identify the bacterial species population. In contrast, the 26S rDNA pyrosequencing was performed only on kefir grains with the aim of assessing the yeast populations. In parallel, pH measurements were performed on the kefir obtained from the kefir grains using 2 incorporation rates. Regarding the bacterial population, 16S pyrosequencing revealed the presence of 20 main bacterial species, with a dominance of the following: Lactobacillus kefiranofaciens, Lactococcus lactis ssp. cremoris, Gluconobacter frateurii, Lactobacillus kefiri, Acetobacter orientalis, and Acetobacter lovaniensis. An important difference was noticed between the kefir samples: kefir grain purchased from a supermarket (sample E) harbored a much higher proportion of several operational taxonomic units of Lactococcus lactis and Leuconostoc mesenteroides. This sample of grain was macroscopically different from the others in terms of size, apparent cohesion of the grains, structure, and texture, probably associated with a lower level of Lactobacillus kefiranofaciens. The kefir (at an incorporation rate of 5%) produced from this sample of grain was characterized by a lower pH value (4.5) than the others. The other 4 samples of kefir (5%) had pH values above 5. Comparing the kefir grain and the kefir, an increase in the population of Gluconobacter in grain sample B was observed. This was also the case for Acetobacter orientalis in sample D. In relation to 26S pyrosequencing, our study revealed the presence of 3 main yeast species: Naumovozymaspp., Kluyveromyces marxianus, and Kazachastania khefir. For Naumovozyma, further studies are needed to assess the isolation of new species. In conclusion, this study has proved that it is possible to establish the patterns of bacterial and yeast composition of kefir and kefir grain. This was only achieved with the use of high-throughput sequencing techniques. [less ▲]

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See detailKDIGO Guidelines and Kidney Transplantation: Is the cystatin-C Based Recommendation relevant?
Masson, I; Maillard, N; CAVALIER, Etienne ULg et al

in American Journal of Transplantation (in press)

The KDIGO guidelines propose a new approach to diagnose chronic kidney disease (CKD) based on estimated glomerular ®ltration rate (GFR). In patients with a GFR value comprised between 45 and 59 mL/ min/1 ... [more ▼]

The KDIGO guidelines propose a new approach to diagnose chronic kidney disease (CKD) based on estimated glomerular ®ltration rate (GFR). In patients with a GFR value comprised between 45 and 59 mL/ min/1.73m2 as estimated by the CKD-EPI creatinine equation (eGFRcreat), it is suggested to con®rm the diagnosis with a second estimation using the CKD-EPI cystatin C-based equations (eGFRcys/eGFRcreat-cys). We sought to determine whether this new diagnostic strategy might extend to kidney transplant recipients (KTR) and help to identify those with decreased GFR. In 670 KTR for whom a measured GFR was available, we simulated the detection of CKD using the two-steps approach recommended by the guidelines in comparison to the conventional approach relying on creatinine equation. One hundred forty-®ve patients with no albuminuria had eGFRcreat between 45 and 59 mL/ min/1.73m2. Among them, 23% had inulin clearance over 60 mL/min/1.73m2 and were thus incorrectly classi®ed as CKD patients. When applying the Kidney Disease: Improving Global Outcomes (KDIGO) strategy, 138 patients were con®rmed as having a GFR below 60 mL/min with eGFRcreat-cys. However, 21% of them were misclassi®ed in reference to measured GFR. Our data do no not support the use of cystatin C as a con®rmatory test of stage 3A CKD in KTR. [less ▲]

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See detailMolecular patterns of rhizobacteria involved in plant immunity elicitation.
Mariutto, Martin ULg; Ongena, Marc ULg

in Advances in Botanical Research (in press)

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See detailManagement of demented patients with urinary incontinence: A case study
de Codt, Aloïse; Grotz, Catherine ULg; Degaute, Marie-France et al

in Clinical Neuropsychologist (The) (in press)

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See detailTien Shan geohazards database: Earthquakes and landslides
Havenith, Hans-Balder ULg; Strom, Alexander; Torgoev, Isakbek et al

in Geomorphology (in press)

In this paper we present new and review already existing landslide and earthquake data for a large part of the Tien Shan, Central Asia. For the same area, only partial databases for sub-regions have been ... [more ▼]

In this paper we present new and review already existing landslide and earthquake data for a large part of the Tien Shan, Central Asia. For the same area, only partial databases for sub-regions have been presented previously. They were compiled and new data were added to fill the gaps between the databases. Major new inputs are products of the Central Asia Seismic Risk Initiative (CASRI): a tentative digital map of active faults (even with indication of characteristic or possible maximum magnitude) and the earthquake catalogue of Central Asia until 2009 that was now updated with USGS data (to May 2014). The new compiled landslide inventory contains existing records of 1600 previously mapped mass movements and more than 1800 new landslide data. Considering presently available seismo-tectonic and landslide data, a target region of 1200 km (E–W) by 600 km (N–S) was defined for the production of more or less continuous geohazards information. This target region includes the entire Kyrgyz Tien Shan, the South-Western Tien Shan in Tajikistan, the Fergana Basin (Kyrgyzstan, Tajikistan and Uzbekistan) as well as the Western part in Uzbekistan, the North-Easternmost part in Kazakhstan and a small part of the Eastern Chinese Tien Shan (for the zones outside Kyrgyzstan and Tajikistan, only limited information was available and compiled)... [less ▲]

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See detailLes défis colossaux auxquels la santé publique va devoir faire face !
COUCKE, Philippe ULg

in Onco : Revue Multidisciplinaire d'Oncologie (in press)

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See detailAnalytical Procedure Validation and the Quality by Design Paradigm
Rozet, Eric ULg; Rozet, Eric

in Journal of Biopharmaceutical Statistics (in press)

Since the adoption of the ICH Q8 document concerning the development of pharmaceutical processes following a Quality by Design (QbD) approach, there have been many discussions on the opportunity for ... [more ▼]

Since the adoption of the ICH Q8 document concerning the development of pharmaceutical processes following a Quality by Design (QbD) approach, there have been many discussions on the opportunity for analytical procedure developments to follow a similar approach. While development and optimization of analytical procedure following QbD principles have been largely discussed and described, the place of analytical procedure validation in this framework has not been clarified. This article aims at showing that analytical procedure validation is fully integrated into the QbD paradigm and is an essential step in developing analytical procedure that are effectively fit for purpose. Adequate statistical methodologies have also their role to play: such as design of experiments, statistical modelling and probabilistic statements. The outcome of analytical procedure validation is also an analytical procedure Design Space and from it, control strategy can be set. [less ▲]

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See detailBiochemical characterization of the oil of durum wheat germ (Tunisian variety)
Kammoun, Maroua; Rassâa, Neila; Mejri-Gaïda, Myriam et al

in Journal of New Sciences (in press)

The wheat germ oil may constitute an alternative to the misuse of this cereal grain resource. The Tunisian exploitation is limited, at present, in the human and animal feed in the grain form, straw or ... [more ▼]

The wheat germ oil may constitute an alternative to the misuse of this cereal grain resource. The Tunisian exploitation is limited, at present, in the human and animal feed in the grain form, straw or some transformed products. For the purpose of characterization, the wheat germ oil has been extracted by Soxhlet apparatus from a Tunisian variety of durum wheat (Maali) based on the hexane as a solvent. An analysis by gas chromatography (GC) was then performed to identify and quantify the fatty acids of the oil. Then, the oil has submitted to a second chromatography analysis in liquid phase (HPLC) to quantify the tocopherols. The most important fatty acids constituting have been the two polyunsaturated acids linoleic acid C18:2 (OMEGA 6) and the gamma acid- linoleic C18:3 : 58.24 % and 4.19 % respectively; and the acid monounsaturated oleic acid C18:1 ( 24.49 %) but also some saturated acid: palmitic acid C16:0 with ( 19.50 % ), and the stearic acid C18:0 (1.29%). For this variety of Tunisian durum wheat, the wheat germ oil contains, in addition, 80.27 mg / 100g of α- tocopherols (vitamin E). The wheat germ oil extracted from the Tunisian variety 'Maali' has proved rich in vitamin E and omega-6 ; a better valorisation on the nutritional or pharmaceutical plan is to this title recommended. [less ▲]

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See detailVanadium fine-structure K-shell electron impact ionization cross sections for fast-electron diagnostic in laser-solid experiments
Palmeri, P; Quinet, Pascal ULg; Batani, D

in Atomic Data & Nuclear Data Tables (in press)

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See detailcompte rendu de : James Noel ADAMS, Social Variation and the Latin Language
Rochette, Bruno ULg

in Antiquité Classique : Revue Interuniversitaire d'Etudes Classiques (in press)

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See detailCongenital jaundice in bovine aborted fetuses: an emerging syndrome in Southern Belgium
Delooz; Mori, M; Petitjean, T et al

in Transboundary and Emerging Diseases (in press)

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See detailÉduquer à la démocratie : Protagoras et la question de l’égalité
Gavray, Marc-Antoine ULg

in MethIS : Méthodes et Interdisciplinarité en Sciences Humaines (in press)

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See detailQuantify ing cereal - reaping microwear on flint tools: an experimental approach
Linton, Jimmy ULg; Monna, Fabrice; Martineau, Rémi et al

in Archaeometry (in press)

From the earliest Neolithic in the Near East to the last Chalcolithic cultures in Western Europe, certain flint tools have been used as sickles to harvest cereals. Such harvesting tools can be identified ... [more ▼]

From the earliest Neolithic in the Near East to the last Chalcolithic cultures in Western Europe, certain flint tools have been used as sickles to harvest cereals. Such harvesting tools can be identified through use-wear analyses, because cutting herbaceous plants produces specific wear-traces on the working edge of flint blades. The aim of this work is to explore harvesting-driven microwear variability and, more particularly, intensity of use as a governing factor. To achieve this objective, an experiment was designed consisting in the production of flint replicas to be used as harvesting tools, in various controlled conditions. A simple, cost-effective method of quantifying wear-traces by meas uring polish extent is developed, requiring only classical use-wear observation equipment. Polish extent shows monotonic correlation with the amount of work, expressed either in terms of time or as the quantity of cereals harvested. Polish extent measurement is therefore proposed as a reliable and powerful descriptor of use intensity. [less ▲]

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See detailHow to manage an isolated elevated PTH?
Souberbielle, Jean-Claude; CAVALIER, Etienne ULg; Cormier, Catherine

in Annales d'Endocrinologie (in press)

The aim of this article is to discuss the diagnostic approach of an increased serum PTH concentration in a normocalcemic, normophosphatemicpatient. Detection of this biological presentation is frequent in ... [more ▼]

The aim of this article is to discuss the diagnostic approach of an increased serum PTH concentration in a normocalcemic, normophosphatemicpatient. Detection of this biological presentation is frequent in routine practice all the more that PTH reference values established in vitamin Dreplete subjects with a normal renal function are used by the clinical laboratories. The first step in this diagnostic approach will be to rule out acause of secondary hyperparathyroidism (SHPT). Among these, the most frequent are vitamin D deficiency, very low calcium intake, impairedrenal function, malabsorptions, drugs interfering with calcium/bone metabolism, such as lithium salts and antiresorptive osteoporosis therapies,hypercalciuria due to a renal calcium leak. If no cause of SHPT are evidenced, the diagnosis of normocalcemic primary hyperparathyroidism(PHPT) should be considered. A calcium load test is a very useful tool for this diagnosis if it shows that serum PTH is not sufficiently decreasedwhen calcemia rises frankly above the upper normal limit. In a normocalcemic patient with hypercalciuria and a high serum PTH concentration,a thiazide challenge test may help to differentiate SHPT due to a renal calcium leak from normocalcemic PHPT. Beyond the discussion of thisdiagnostic [less ▲]

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See detailOne injection of platelet-rich plasma associated to a submaximal eccentric protocol to treat chronic jumper's knee
Kaux, Jean-François ULg; Croisier, Jean-Louis ULg; Bruyère, Olivier ULg et al

in The Journal of sports medicine and physical fitness (in press)

INTRODUCTION: Jumper's knee is a frequent chronic overuse syndrome of the upper part of the patellar tendon. Platelets contain lots of growth factors which could enhance the healing process of tendons ... [more ▼]

INTRODUCTION: Jumper's knee is a frequent chronic overuse syndrome of the upper part of the patellar tendon. Platelets contain lots of growth factors which could enhance the healing process of tendons. METHODS: Twenty patients with chronic upper patellar tendinopathy were enrolled. Assessments were made before infiltration of PRP, and 6 weeks and 3 months after the infiltration, using a 10--point Visual Analogic Scale, clinical examinations with a pressure algometer, algofunctional scores (IKDC and VISA--P), functional assessments (isokinetic and optojump evaluations) and imagery (ultrasounds and MRI). The PRP was obtained with an apheresis system (COM.TEC, Fresenius). Six millilitres of PRP were injected without local anaesthetic. One week after infiltration, patients started a standardised sub--maximal eccentric reeducation. RESULTS: Pain during daily activities significantly decreased with time. During functional evaluation, it decreased as well, but without significant functional improvement. No improvements in the imagery measurements were observed. Younger patients seemed to be more susceptible to have an improvement of pain by the PRP infiltration. CONCLUSION: This study demonstrates that a local infiltration of PRP associated with a submaximal eccentric protocol can improve symptoms of chronic jumper's knee in patients non--responsive to classical conservative treatments. [less ▲]

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See detailLa flexicurité revisitée : analyse qualitative interdisciplinaire du discours de travailleurs à l'aide d'un logiciel collaboratif »
Beuker, Laura ULg; DE CIA, Julie ULg; Dervaux, Amélie ULg et al

in Recherches Qualitatives (in press)

L’ambition de cet article est double : explorer les vertus de l’utilisation d’un logiciel d’analyse qualitative dans le cadre d’un travail interdisciplinaire sur la flexicurité, et réaliser une revue de ... [more ▼]

L’ambition de cet article est double : explorer les vertus de l’utilisation d’un logiciel d’analyse qualitative dans le cadre d’un travail interdisciplinaire sur la flexicurité, et réaliser une revue de littérature transversale à partir des problématiques concrètes que ce concept cristallise dans le vécu des travailleurs. La flexicurité constitue un oxymore qui prône la recherche d’un équilibre entre besoins de flexibilité et de sécurité sur le marché du travail. Cet équilibre est avant tout un objectif politique, mais il reste fragile aux yeux des acteurs concernés. En cherchant à croiser le regard analytique de trois disciplines – psychologie, gestion et sociologie –, nous avons recouru au logiciel Cassandre (Lejeune, 2008) pour dégager des tensions discursives autour des notions de flexibilité et de sécurité dans un corpus de vingt entretiens qualitatifs. L’article permet ainsi de concrétiser l’intérêt et les limites de l’utilisation d’un logiciel d’analyse qualitative dans le cadre d’un travail interdisciplinaire. [less ▲]

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See detailEvidence of contrasting patterns for suppression and reappraisal emotional regulation strategies in alexithymia.
Laloyaux, Julien ULg; Fantini, Carole; Lemaire, Morgan ULg et al

in Journal of Nervous & Mental Disease (in press)

Alexithymia generally refers to difficulties in identifying and describing emotions. In this paper, two studies explored whether the emotional deficits observed in alexithymia may be related to the use of ... [more ▼]

Alexithymia generally refers to difficulties in identifying and describing emotions. In this paper, two studies explored whether the emotional deficits observed in alexithymia may be related to the use of emotional regulation strategies. Relations with various socio-demographic variables were also explored. In the first study, 255 students completed the Emotion Regulation Questionnaire (ERQ) and the Toronto Alexithymia Scale-20. For the second study, 1107 participants from the general population completed the ERQ and the Bermond-Vorst Alexithymia Questionnaire. Results demonstrated that alexithymia was related to the use of a suppression strategy and in particular to difficulties verbalizing emotions, suggesting that the capacity to communicate and name one’s emotion is a central aspect in alexithymia. Concerning socio-demographic variables, alexithymia and the use of a suppression strategy were found to be related to age and to be higher in males. The results of these studies and their clinical implications for treatment are discussed. [less ▲]

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See detailLa sécurité affective chez l'enfant en milieu résidentiel : Des soins du corps au bien être émotionnel
Aprile, Pauline ULg; Englebert, Jérôme ULg; Gauthier, Jean-Marie ULg

in Evolution Psychiatrique (in press)

Objectives - This review studies the concept of affective security in children living outside of their family environment by a brief exposition of its practical illustration in institution. We want to ... [more ▼]

Objectives - This review studies the concept of affective security in children living outside of their family environment by a brief exposition of its practical illustration in institution. We want to show that sufficient affective security can be achieved even in children institutionalized with major attachment difficulties. Method - We will first examine the original meaning of the concept by a theoretical review of its evolution over the years in the literature. Then, we will consider various questions concerning the legitimacy of institutionalization in link with affective security through a case analysis illustrating the issue. We will finally end by mentioning the main practical implications about the optimization of affective security in children institutionalized. Results - It is foremost by the predictable and expected daily acts posed by the professional caregivers in institution that the child may find sufficient affective security, generating emotional well-being and ultimately, an overall adequate development. Discussion – Children early separated from their family home to be placed in residential institution most often suffer from serious difficulties in terms of attachment to others. In this context, the institution has to deal with a specifically challenge: that is, to help the child to (re-)find sufficient internal security to allow him to grow on solid foundations. The institutional life which replaces family life primarily consists of an organizational structure that seeks to make child life as predictable as possible so that it has the necessary daily benchmarks to evolve adequately. Conclusion – In the everyday life in institution, the professionals struggling with children’s attachment disorders constantly try to achieve a right emotional-body balance through their psycho-educational practices with the child deprived of secure attachment strategies. [less ▲]

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See detailImaginer-lire le Capital
Pieron, Julien ULg

in Cahiers d'Etudes Germaniques (in press)

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See detailL'éveil de la matrix-gla-protéine sonnera le glas des calcifications vasculaires
DELANAYE, Pierre ULg; Liabeuf, Sophie; BOUQUEGNEAU, Antoine ULg et al

in Néphrologie & Thérapeutique (in press)

La matrix-gla-protéine (MGP) est principalement sécrétée par les chondrocytes et les cellules musculaires lisses des parois vasculaires. Son rôle est d’inhiber localement le développement des ... [more ▼]

La matrix-gla-protéine (MGP) est principalement sécrétée par les chondrocytes et les cellules musculaires lisses des parois vasculaires. Son rôle est d’inhiber localement le développement des calcifications vasculaires. MGP doit bénéficier de deux processus post-transcriptionnels avant d’être pleinement active : une phosphorylation de résidus sérine et une carboxylation de résidus glutamate. Cette carboxylation ne peut se faire qu’en présence de quantité suffisante de vitamine K. Plusieurs formes de MGP circulent donc dans le plasma, certaines étant totalement inactives (la MGP déphosphorylée et décarboxylée), d’autres possédant une activité biologique variable en fonction du nombre de sites carboxylés ou phosphorylés. Il existe un lien théorique étroit entre MGP, vitamine K, calcifications vasculaires et maladies cardiovasculaires et ce, particulièrement chez les patients souffrant d’insuffisance rénale chronique, a fortiori s’ils sont dialysés. Si l’existence de ce lien a été démontrée via de nombreuses et solides données fondamentales, les données cliniques restent, à ce jour, observationnelles et doivent donc être interprétées avec prudence. Mesurer une fraction de MGP dans le plasma pour estimer le degré de calcification d’un patient donné n’est pas encore d’actualité . La forme inactive pourrait être utile pour juger des réserves en vitamine K au niveau vasculaire. Dans cet article de revue, nous reviendrons sur les bases théoriques du rôle de MGP dans le processus de calcification vasculaire, sur le défi analytique que représente sa détermination dans le plasma, ainsi que sur les liens entre MGP, vitamine K et calcifications vasculaires en population géne´ rale et chez les patients insuffisants rénaux. [less ▲]

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See detailDélinquance des adolescents et maturation pubertaire analysées au travers du timing pubertaire perçu
Glowacz, Fabienne ULg; Bourguignon, Jean-Pierre ULg

in Annales Médico-Psychologiques (in press)

The impact of pubertal development on the psychological and social functioning of the teenager arouses a particular interest; the most recent research shows the existence of complex relationships between ... [more ▼]

The impact of pubertal development on the psychological and social functioning of the teenager arouses a particular interest; the most recent research shows the existence of complex relationships between pubertal development and the manifestation of internalized and externalized disorders. Two predominant hypothesis are used for explain influence of pubertal timing on problem behaviors : the maturational deviance theory and the stage termination (early timing) theory. The deviance theory claims that the borderline or abnormal pubertal timing, whether early or late, causes difficulties for adolescent adaptation. The early timing theory suggests that early pubertal timing and the consequent early physical maturation put adolescents at greater risk of adjustment problems because early pubertal maturation interferes with normal progression through the developmental tasks of adolescence. Our study is interested specifically in the links between delinquency during adolescence and pubertal maturation in a population of 141 boys aged between 12 and 18. We measured the pubertal variable starting from the perceived pubertal timing (PPT), which evaluates the teenagers' perception of their pubertal maturation, compared with that of their peers, to understand its impact on various dimensions of the functioning of teenagers: the self-perception (scale of Harter), aggressiveness (scale of Buss and Perry), association with peers and self-reported delinquency (attacks on property and individuals). We began with univariate analyses in order to determine the variables associated with early or late pubertal timing through comparison of scores obtained in those subjects with reference to average maturers. Subsequently, multivariate analyses were used in an attempt to sort out which among the studied factors could be predictor or a determinant of delinquency in relation to pubertal timing. Therefore, stepwise multiple regression analysis was performed. Statistical analyses were run with the SAS software, version 9.1.Our results support the thesis of precocity, the teenagers with an advanced PPT present scores of delinquency and aggressiveness significantly higher than teenagers with a standard PPT. However, the sub-group of teenagers with delayed PPT present raw scores of self-revealed delinquency which are higher than those of teenagers with a standard PPT. These teenagers can be characterized by a significantly higher hostility than the teenagers with a standard PPT. This cognitive dimension of aggressiveness, as evaluated by Buss and Perry, characterizes the functioning of the teenagers with the delayed PPT, who also present poorer self-esteem and dissatisfaction with their physical appearance. On the basis of this assessment, an analysis of multiple regression within each type of PPT aimed at identifying the variables likely to explain the delinquency of teenagers according to their PPT. The results show that the physical factor of aggressiveness is common to the three types of PPT. It is associated with the affiliation with delinquent peers for those teenagers with advanced and normal PPT, whereas for those teenagers with delayed PPT, it interacts with the factor of hostility, which is specific to them. Association with delinquent peers recognized as a major risk factor and predictive for the self-revealed delinquency of teenagers in general does not intervene for these boys who perceive their pubertal development late, compared to the others. The delinquency of teenagers with a delayed PPT cannot be explained by the factors that are considered in the general population, their social functioning and the socialization of these teenagers with delayed puberty is different from that of the other teenagers, as is their implication in delinquency, which is not explained by a kind of socialization with delinquent peers. These results confirm the importance of integrating the puberty variable into research on delinquency, but also at the level of intervention. [less ▲]

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See detailMonitoring Antibiotic Use and Residue in Freshwater Aquaculture for Domestic Use in Vietnam
Pham Kim, Dang; Chu, Jacqueline; Nga Thuy, Do et al

in EcoHealth (in press)

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See detailCompte rendu de l'ouvrage de Frédéric MARCHESANI, Sur les traces des anciens "pays" de Wallonie
George, Philippe ULg

in Trésor de Liège. Bulletin trimestriel (in press)

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See detailUsing platelet-rich plasma to treat jumper's knees: Exploring the effect of a second closely-timed infiltration
Kaux, Jean-François ULg; Croisier, Jean-Louis ULg; Forthomme, Bénédicte ULg et al

in Journal of Science and Medicine in Sport (in press)

Some clinical series have evaluated the effect of platelet-rich plasma (PRP) in the treatment of proximal patellar tendinopathy. Although it is possible that a single infiltrative administration may prove ... [more ▼]

Some clinical series have evaluated the effect of platelet-rich plasma (PRP) in the treatment of proximal patellar tendinopathy. Although it is possible that a single infiltrative administration may prove to be an effective treatment for this indication, most of the existing studies evaluated the effects of two or three successive infiltrations. The aim of this study was to evaluate whether two infiltrations of PRP proves more effective than a single treatment. DESIGN: Prospective, randomized and comparative study of level 2. METHODS: Twenty patients suffering from chronic proximal patellar tendinopathy were enrolled into the study and split into two randomized groups (one or two infiltrations of PRP, respectively). The 3-month follow-up evaluation consisted of VAS, IKDC and VISA-P scores, along with algometer, isokinetic and ultrasounds evaluations. After 1 year, subjects were contacted to define their functional evolution. RESULTS: The concentration of the PRP used for each infiltration was similar in both groups, and contained no red or white cells. Results revealed no difference in treatment efficacy between the groups. CONCLUSIONS: The comparison between one or two infiltrations of PRP did not reveal any difference between the two groups at short to mid term. A second closely-timed infiltration of PRP to treat proximal patellar tendinopathies is not necessary to improve the efficacy of this treatment in the short term. [less ▲]

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See detailPhysiological and bio-functional properties of gum arabic: a notable interest for certain human diseases
Eloundou Mballa, Pierre; Goffin, Dorothée ULg; Destain, Jacqueline ULg et al

in Biotechnologie, Agronomie, Société et Environnement = Biotechnology, Agronomy, Society and Environment [=BASE] (in press)

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See detailEfficiency of delivery observed treatment in hemodialysis patients: the example of the native vitamin D therapy
DELANAYE, Pierre ULg; CAVALIER, Etienne ULg; Fafin, Coraline et al

in Journal of Nephrology (in press)

Introduction Adherence to therapy is a relevant challenge in chronic hemodialysis patients. The directly observed therapy (DOT) could be an effective method to increase adherence for specific therapies ... [more ▼]

Introduction Adherence to therapy is a relevant challenge in chronic hemodialysis patients. The directly observed therapy (DOT) could be an effective method to increase adherence for specific therapies. We aimed to study the performance of DOT versus home medication. We follow the impact of providing native vitamin D directly by the nurse after a dialysis session on the 25-hydroxyvitamin [25(OH)D] concentrations. Methods In this observational study, we included 38 dialysis patients treated by stable dosage of cholecalciferol. DOT was implemented in December 2010. We considered the concentrations of 25-OH vitamin D three times before (T1 = June 2010, T2 = July 2010 and T3 = September 2010) and three times after the modification of prescription (T4 = February 2011, T5 = March 2011 and T6 = April 2011). Results Median age was 72 [62; 79] years and 48 % were diabetics. Mean body mass index was 26 ± 5 kg/m2 and median dialysis vintage was 20 [8; 46] months. The patients were compared to themselves. Before DOT, median concentrations of 25(OH)D were 27 (14–36), 23 (17–31), 31 (22–38) ng/mL at T1, T2 and T3, respectively. When DOT was effective, the concentrations significantly increased to 34 (28–44), 35 (29–41), 39 (32–47) ng/mL at T4, T5 and T6, respectively. Before DOT, 19 patients (50 %) reached the target of 30 ng/mL. After DOT, 29 patients (76 %) reached the target concentration of 30 ng/ mL. Conclusions In hemodialysis patients, DOT is both simple and effective to increase the therapeutic impact to native vitamin D. [less ▲]

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See detailMinor compounds and oxidative stability of mono-varietal virgin olive oils produced in eastern of Morocco
Mansouri, Farid; Benmoumen, Abdessamad; Richard, Gaetan ULg et al

in Food Chemistry (in press)

The aim of this study is to characterize monovarietal virgin olive oils (VOOs) of new high-density plantings system of three cultivars (Arbequina, Arbosana and Koroneiki) which have been recently ... [more ▼]

The aim of this study is to characterize monovarietal virgin olive oils (VOOs) of new high-density plantings system of three cultivars (Arbequina, Arbosana and Koroneiki) which have been recently introduced in the eastern mediterranean region of Morocco. In this study, we have also conducted comparison between those monovarietal VOOs and olive oil of the local olive cultivar Picholine marocaine. Monovarietal VOOs characterization has been carried out by analysing several parameters, including quality index and olive oil stability to oxidation. Significant differences between the analysed olive oils were highlighted. They depend on cultivars and technological conditions of processing. We have noticed that Koroneiki olive oil have higher content of phenols (459.48 mg kg-1) and have the best value of oxidative stability (93.16 h). On the other hand Arbrosana’s VOO has low content of total phenols (260.85 mg kg-1) but it was distinguished by its higher content of alpha-tocopherol (460.07 mg kg-1). In addition, ten phenolic compounds present in virgin olive oils, were identified and quantitatively assessed by HPLC. Hydroxytyrosol, tyrosol, luteoline, pinoresinol and apigenin were the main phenolic compounds in those analyzed monovarietal VOOS. [less ▲]

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See detailRecurrent pulsations in Saturn’s high latitude magnetosphere
Mitchell, D.G.; Carbary, J.F.; Bunce, E.J. et al

in Icarus (in press)

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See detailLeidenfrost drops: effect of gravity
Maquet, Laurent ULg; Brandenbourger, Martin ULg; Sobac, Benjamin et al

in Europhysics Letters [=EPL] (in press)

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See detailGenotype contribution to the chemical composition of banana rachis and implications for thermo/biochemical conversion
Tiappi Deumaga, Mathias Florian; Happi Emaga, Thomas; Tchokouassom, Raphael et al

in Biomass Conversion and Biorefinery (in press)

Chemical composition of banana rachis from three varieties (Grande naine, Pelipita, and CRBP969) was ana- lyzed, and the genotype contribution to composition variabil- ity was investigated. Wet chemistry ... [more ▼]

Chemical composition of banana rachis from three varieties (Grande naine, Pelipita, and CRBP969) was ana- lyzed, and the genotype contribution to composition variabil- ity was investigated. Wet chemistry and instrumental analysis procedures (X-ray diffraction, 31P NMR spectroscopy, and thermogravimetry) were used. Some significant differences were found among the three genotypes: GN-AAA genotype was found to be significantly the highest in ash fraction (30.16 %) and the lowest in acid insoluble lignin (6.58 %) at 95 % confidence level. It showed also the highest content in potassium (43.5 % in ash). Implication of compositional dif- ferences on valorization efficiency by biochemical or thermo- chemical pathways was investigated. For this purpose, corre- lation coefficients between compositional characteristics and yields in volatile compounds from pyrolysis and glucose yields from enzymatic saccharification were analyzed. Ash content was revealed to be the main drawback parameter for volatile yields from pyrolysis (r = −0.93), while for glucose yields during saccharification were limited mainly by the con- tent in guaiacyl units of the lignin fraction (r = −0.98). How- ever, a strong and positive correlation was established be- tween the volatiles yield and the acid insoluble lignin content (r = 0.98) Thus, according to these observations and based on their compositional significant differences, GN-AAA was the better candidate for bioconversion pathway while PPT-ABB and CRBP969-AAAB samples were shown to be better can- didates for thermochemical conversion pathway. This work gives important preliminary information for considering ba- nana rachis as an interesting feedstock candidate for biorefinery. [less ▲]

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See detailL'école liégeoise de physiologie aux 19e et 20e siècles
Geenen, Vincent ULg

in Histoire des Sciences Médicales (in press)

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See detailEnjeux politiques et critiques d'une philosophie des normes
Caeymaex, Florence ULg; Pieron, Julien ULg

in Dissensus (in press), 6(printemps 2014),

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See detailHigh concentrations of Myeloperoxidase in the equine uterus as an indicator of endometritis
Parrilla Hernandez, Sonia ULg; Ponthier, Jérôme ULg; Franck, Thierry ULg et al

in Theriogenology (in press)

Intra-luminal fluid and excessive abnormal hyper-edema are regularly used for the diagnosis of endometritis in the mare, which is routinely confirmed by the presence of neutrophils on endometrial smears ... [more ▼]

Intra-luminal fluid and excessive abnormal hyper-edema are regularly used for the diagnosis of endometritis in the mare, which is routinely confirmed by the presence of neutrophils on endometrial smears. Studies show a relation between neutrophils and myeloperoxidase (MPO), an enzyme contained in and released by neutrophils during degranulation or after cell lysis. This enzyme has been found in many fluids and tissues and associated with different inflammatory pathologies in the horse. The aims of this study were to assess the presence and concentration of MPO in the equine uterus, and to investigate its relation with neutrophils, and other clinical signs of endometritis. Mares (n=51) were evaluated for presence of intra-luminal fluid and excessive endometrial edema before breeding, and a small volume lavage and cytology samples were obtained. From 69 cycles, supernatant of the uterine flushes was analysed with a specific equine MPO ELISA assay to measure MPO concentration. Cytology samples were used for the diagnosis of endometritis. MPO was present in the uterus of all estrus mares in highly variable concentrations. MPO concentrations were significantly (p<0.05) higher in samples with positive cytologies and in presence of intra-luminal fluid. Occasionally, some samples with negative cytologies showed high MPO concentration, but the opposite was never observed. Cycles presenting hyper-edema weren’t associated to high concentration of MPO, intra-luminal fluid or positive cytology making it a poor diagnostic tool of endometritis. [less ▲]

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See detailNewt life after fish introduction: extirpation of paedomorphosis in a mountain fish lake and newt use of satellite pools
Denoël, Mathieu ULg; Scime, Patrick; Zambelli, Nicola

in Current Zoology (in press), 62

Fish introduction is one of the main causes of amphibian decline worldwide. It affects particularly rare aquatic phenotypes such as paedomorphs, which retain gills during the adult stage. In this context ... [more ▼]

Fish introduction is one of the main causes of amphibian decline worldwide. It affects particularly rare aquatic phenotypes such as paedomorphs, which retain gills during the adult stage. In this context, we determined whether small wetlands, such as pools surrounding fished and fishless lakes, could sustain paedomorphic and metamorphic newts. To this end, we surveyed lakes known historically to sustain Alpine newts (Ichthyosaura alpestris) as well as 35 nearby pools. On the basis of the published records, the only known population exhibiting paedomorphosis in the Swiss Alps was found to be extirpated by salmonid introductions. However, the metamorphs persisted in peripheral pools, paedomorphosis was discovered at a new locality, and overwintering larvae were still present in one of the lakes. These results show the importance of conserving varied aquatic habitats such as pools in mountainous environments where the main resources can become unsuitable for amphibians because of fish introductions. Pools may also function as reservoirs in maintaining newt populations until programs to remove fish from lakes can be carried out. It is not known if paedomorphs could reappear after fish removal. However, the combined resilience of amphibians after fish removal and the genetic basis for paedomorphosis highlighted in other taxa by previous studies suggest that there is the potential to maintain this intraspecific case of diversity even after its disappearance. [less ▲]

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See detailInhibitory deterioration may contribute to hallucinations in Alzheimer’s disease
El Haj, Mohamad; Laroi, Frank ULg; Gély-Nargeot, Marie-Christine et al

in Cognitive Neuropsychiatry (in press)

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See detailHigh Resolution postontrast time of flight MR angiography of intracranial perforators at 7.0 Tesla
Harteveld, A; de Cocker, L; Dieleman, N et al

in American Journal of Neuroradiology (in press)

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See detailActive Management of Low-Voltage Networks for Mitigating Overvoltages due to Photovoltaic Units
Olivier, Frédéric ULg; Aristidou, Petros ULg; Ernst, Damien ULg et al

in IEEE Transactions on Smart Grid (in press)

In this paper, the overvoltage problems that might arise from the integration of photovoltaic panels into low-voltage distribution networks is addressed. A distributed scheme is proposed that adjusts the ... [more ▼]

In this paper, the overvoltage problems that might arise from the integration of photovoltaic panels into low-voltage distribution networks is addressed. A distributed scheme is proposed that adjusts the reactive and active power output of inverters to prevent or alleviate such problems. The proposed scheme is model-free and makes use of limited communication between the controllers, in the form of a distress signal, only during emergency conditions. It prioritizes the use of reactive power, while active power curtailment is performed only as a last resort. The behavior of the scheme is studied using dynamic simulations on a single low-voltage feeder and on a larger network composed of 14 low-voltage feeders. Its performance is compared to a centralized scheme based on the solution of an Optimal Power Flow problem, whose objective function is to minimize the active power curtailment. The proposed scheme successfully mitigates overvoltage situations due to high photovoltaic penetration and performs almost as well as the Optimal Power Flow based solution with significantly less information and communication requirements. [less ▲]

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See detailUn type picard par-delà les frontières : le <nom jeté>
Baiwir, Esther ULg

in Dialectes de Wallonie (in press), 36

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See detailReduced Order Analysis of Aeroelastic Systems with Freeplay using an Augmented Modal Basis
Silva, Gustavo H. C.; Dal Ben Rossetto, Gustavo; Dimitriadis, Grigorios ULg

in Journal of Aircraft (in press)

Freeplay in aircraft control surface actuators is a common source of nonlinearity that can cause undesirable aeroelastic phenomena and, as a consequence, certification authorities place strict limits on ... [more ▼]

Freeplay in aircraft control surface actuators is a common source of nonlinearity that can cause undesirable aeroelastic phenomena and, as a consequence, certification authorities place strict limits on the size of the deadband gaps of actuators. In recent years many authors have worked on determining the effects of freeplay on the dynamic behavior of aeroelastic systems; these efforts have yielded significant improvements in the understanding of the phenomena, but have concentrated on simple models. Investigations of industry-relevant aeroelastic models of complete aircraft with freeplay in the actuators have been much rarer, the main difficulty being the selection of an appropriate modal basis that can represent the full range of possible dynamic phenomena. This work presents a novel implementation of the residual vectors approach to create consistent and numerically stable reduced order models suitable for industrial-standard aeroelastic models of aircraft. The methodology relies on the piecewise linear nature of freeplay to create a single reduction basis that represents the dynamics of the system both inside and outside the freeplay deadband gap. The method is demonstrated on an Embraer generic test bench aircraft, showing that the resulting reduced order model is efficient and effective. Nonlinear analysis is carried out using equivalent linearization as well as time integrations of the full nonlinear system. It is shown that, while equivalent linearization is an indispensable tool for a preliminary mapping of the main aeroelastic instabilities, the time integration-based nonlinear analysis is an essential complementary tool to confirm the characteristics of the system behavior. [less ▲]

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See detailPreparation and characterizations of EGDE crosslinked chitosan electrospun membranes
Aqil, Abdelhafid ULg; Tchemtchoua, Victor T.; Colige, Alain ULg et al

in Clinical Hemorheology and Microcirculation (in press)

Composite Crosslinked nanofibrous membranes of chitosan, ethylene glycol diglycidyl ether (EGDE) and polyethy- 10 lene oxide was successfully prepared with bead free morphology via electrospinning ... [more ▼]

Composite Crosslinked nanofibrous membranes of chitosan, ethylene glycol diglycidyl ether (EGDE) and polyethy- 10 lene oxide was successfully prepared with bead free morphology via electrospinning technique followed by heat mediated 11 chemical crosslinking. Architectural stability of nanofiber mat in aqueous medium was achieved by chemical crosslinking of 12 only 1% EGDE, and tensile strength tests revealed that increasing EGDE content has considerably enhance the elastic modu- 13 lus of nanofibers. The structure, morphology and mechanical properties of nanofibers were characterized by Attenuated Total 14 Reflection-Fourier Transform Infrared spectroscopy (ATR–FTIR), scanning electron microscopy (SEM) and Instron machine, 15 respectively. Skin fibroblasts and endothelial cells showedgood attachment, proliferation and viability on crosslinked electrospun 16 membranes. The results indicate a good biocompatibility and non-toxic nature of the resulted membrane. [less ▲]

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See detailCombined use of Ion Mobility and Collision-Induced Dissociation to investigate the opening of disulfide bridges by Electron-Transfer Dissociation in peptides bearing two disulfide bonds
Massonnet, Philippe ULg; Upert, Gregory; Smargiasso, Nicolas ULg et al

in Analytical Chemistry (in press)

Disulfide bonds are post-translational modifications (PTMs) often found in peptides and proteins. They increase their stability towards enzymatic degradations, and provide the structure and (consequently ... [more ▼]

Disulfide bonds are post-translational modifications (PTMs) often found in peptides and proteins. They increase their stability towards enzymatic degradations, and provide the structure and (consequently) the activity of such folded proteins. The characterization of disulfide patterns, i.e the cysteine connectivity, is crucial to achieve a global picture of the active conformation of the protein of interest. Electron Transfer Dissociation (ETD) constitutes a valuable tool to cleave the disulfide bonds in the gas phase, avoiding chemical reduction/alkylation in solution. To characterize the cysteine pairing, the present work proposes (i) to reduce by ETD one of the two disulfide bridges of model peptides , resulting in the opening of the cyclic structures, (ii) to separate the generated species by ion-mobility and, (iii) to characterize the species using CID. Results of this strategy applied to several peptides show different behaviors depending on the connectivity. The loss of SH• radical species, observed for all the peptides, confirms the cleavage of the disulfides during the ETD process. [less ▲]

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See detailDevelopment by the sol–gel process of highly dispersed Ni–Cu/SiO2 xerogel catalysts for selective 1,2-dichloroethane hydrodechlorination into ethylene
Pirard, Sophie ULg; Mahy, Julien ULg; Pirard, Jean-Paul ULg et al

in Microporous and Mesoporous Materials (in press)

Ni–Cu/SiO2 xerogel catalysts have been synthesized by cogelation of industrial tetraethoxysilane (Dynasil) and chelates of Ni and Cu with industrial 3-(2-aminoethylamino)propyltrimethoxysilane (Dynasylan ... [more ▼]

Ni–Cu/SiO2 xerogel catalysts have been synthesized by cogelation of industrial tetraethoxysilane (Dynasil) and chelates of Ni and Cu with industrial 3-(2-aminoethylamino)propyltrimethoxysilane (Dynasylan DAMO) in industrial ethanol denatured with diethyl phthalate. Despite the use of industrial grade reagents, highly dispersed bimetallic Ni–Cu/SiO2 xerogel catalysts were obtained. These samples are composed of completely accessible Ni–Cu alloy crystallites with sizes of 1.6–3.4 nm located inside silica particles exhibiting a monodisperse microporous distribution. It appears that the bimetallic complex acts as a nucleation agent in the formation of silica particles. The combination of results obtained from the calculation of the metal ratio in catalysts, H2 chemisorption and transmission electron microscopy allowed calculating the surface composition of the nickel–copper particles in Ni–Cu/SiO2 cogelled xerogel catalysts. Values obtained indicate a very pronounced surface enrichment with copper. While 1,2-dichloroethane hydrodechlorination over pure nickel mainly produces ethane, increasing copper content in bimetallic catalysts results in an increase in ethylene selectivity. The specific consumption rate of 1,2-dichloroethane decreases when copper loading increases. The turnover frequency, that is, the number of catalytic cycle per active site (nickel atom and its surrounding copper atoms) and per second, seems to be independent of surface composition of alloy particles. [less ▲]

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See detailLa pollution lumineuse, entre écologie et santé
JEDIDI, Haroun ULg; DEPIERREUX, Frédérique ULg; JEDIDI, Zayd ULg et al

in Revue Médicale de Liège (in press)

Light pollution is defined as the abnormal and disturbing presence of light and its adverse consequences on flora, faunae, ecosystems and its suspected or proven effects on human health. Light pollution ... [more ▼]

Light pollution is defined as the abnormal and disturbing presence of light and its adverse consequences on flora, faunae, ecosystems and its suspected or proven effects on human health. Light pollution is a quite recent and increasing phenomenon within our society and it leads to a major environmental damage, obviously near wildlife, but also on human health (cancers, obesity, fatigue, depression...). The solutions to this problem are however simple, efficient and de facto inexpensive and involving a substantial energy saving. [less ▲]

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See detailGlioblastoma-derived extracellular vesicles induce tumor-supportive phenotypes in monocytic cells
de Vrij, Jeroen; Maas, Sybren; Kwappenberg, Kitty et al

in International Journal of Cancer = Journal International du Cancer (in press)

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See detailCompte-rendu de l'ouvrage de IKENBERRY (G. John) : Power, Order, and Change in World Politics
Wintgens, Sophie ULg

in Revue Française de Science Politique (in press), 65(3), 494-495

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See detailState Created Barriers to Exit - The Example of the Acquisition of Alstom by General Electric
Petit, Nicolas ULg

in Competition Policy International (in press)

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See detailLa manie et la mélancolie comme crises de l’identité narrative et de l’intentionnalité
Englebert, Jérôme ULg; Stanghellini, Giovanni

in Evolution Psychiatrique (in press)

Objectives: Our objective is to achieve a phenomenological cross-study of melancholic and manic crises. To do this, we analyze the relationship between these two psychopathological states by means of the ... [more ▼]

Objectives: Our objective is to achieve a phenomenological cross-study of melancholic and manic crises. To do this, we analyze the relationship between these two psychopathological states by means of the concepts of "narrative identity" and "intentionality". Method: From clinical cases and with reference to various theoretical models derived from phenomenological psychopathology, we discuss similarities and differences between mania and melancholia. Results: Narrative identity is based on a double movement: that of the enunciation of a speech focused on his history and that of an act of creation. From different clinical situations, we find that: (1) the melancholic retains the ability to elaborate a narrative about his history but the creative dimension of this narrative is absent, and (2) conversely, the manic experiences only the creative dimension. Discussion: Intentionality, as the tendency of consciousness to move toward something beyond itself, proves to be the center of the manic existence without being able to set itself within the boundaries of factual constraints. The melancholic, conversely, experiences an existence in which consciousness has lost its capacity to aim beyond itself. Conclusions: Melancholia and mania are quite specific forms of being-in-world with particular identity and temporal experiences. These two states share a fundamental psychopathological feature, that we named here “manque chiasmatique”: they are disorders of the intentional movement that constitutes narrative identity, that is, of the dialectics between the rootedness (“enracinenment”) of self in its past and the possibility of creation of a new identity. [less ▲]

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See detailExploratory Single Grain OSL data analysis of quartz from archeological mortars: on the use of an exponential distribution of light exposure of grains and consequences for dating
Guibert, Pierre; Urbanova, Petra; Blain, Sophie ULg et al

in Radiation Measurements (in press)

Dating archaeological mortar by OSL is one of the challenging objectives leading to the chronology of ancient constructions. Single grain OSL analysis is a very convenient tool to examine the bleaching ... [more ▼]

Dating archaeological mortar by OSL is one of the challenging objectives leading to the chronology of ancient constructions. Single grain OSL analysis is a very convenient tool to examine the bleaching state of the series of quartz grains extracted from a mortar sample. Indeed, during the making process, sand is extracted from a sedimentary source, transported, stored then mixed with lime and set into the walls being constructed. Experience shows that incomplete bleaching is frequent for these materials. The aim of this study is to model the distribution of single grain equivalent doses of mortars following the assumption that a population of grains corresponds to a unique distribution of heterogeneously bleached grains rather than to a mixture of well bleached quartz grains with poorly bleached ones. An exponential distribution of light exposure of grains is examined. By comparing experimental distributions of doses with simulated ones, we investigate the appropriateness of this distribution function and then we calculate the average residual dose integrated into the process of the ED determination and finally the OSL age. Limits and potentials of this approach are discussed using various case-studies of structures and buildings of known age (from the roman to the post-medieval period). Even in case of very poorly bleached samples we observed that the simulated ED distribution fits satisfactorily with the experimental one, which offers new encouraging perspectives in single grain dating of mortars. [less ▲]

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See detailSociologie de la communication politique
Devresse, Jenifer ULg

in Communication (in press)

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See detailMyelofibrosis patients in Belgium: disease characteristics
Devos, Timothy; Zachée, Pierre; Bron, Domonique et al

in Acta Clinica Belgica (in press)

Objective: To date, only a small number of epidemiological studies on myelofibrosis have been performed. The current study aimed to characterize the myelofibrosis patient population in Belgium according ... [more ▼]

Objective: To date, only a small number of epidemiological studies on myelofibrosis have been performed. The current study aimed to characterize the myelofibrosis patient population in Belgium according to predefined disease parameters (diagnosis, risk categories, hemoglobin ,10 g/dl, spleen size, constitutional symptoms, platelet count, myeloblast count), with a view to obtaining a deeper understanding of the proportion of patients that may benefit from the novel myelofibrosis therapeutic strategies. Methods: A survey was used to collect data on prevalence and disease parameters on all myelofibrosis patients seen at each of 18 participating hematologic centers in 2011. Aggregated data from all centers were used for analysis. Analyses were descriptive and quantitative. Results: A total of 250 patients with myelofibrosis were captured; of these, 136 (54%) were male and 153 (61%) were over 65 years old. One hundred sixty-five (66%) of myelofibrosis patients had primary myelofibrosis and 85 (34%) had secondary myelofibrosis. One hundred ninety-three myelofibrosis patients (77%) had a palpable spleen. About a third of patients (34%) suffered from constitutional symptoms. Two hundred twenty-two (89%) myelofibrosis patients had platelet count§50 000/ml and 201 (80%) had platelet count §100 000/ml. Of 250 patients, 85 (34%) had a myeloblast count §1%. Six (2%) patients had undergone a splenectomy. Thirteen (5.2%) patients had undergone radiotherapy for splenomegaly. Conclusions: The results of this survey provide insight into the characteristics of the Belgian myelofibrosis population. They also suggest that a large proportion of these patients could stand to benefit from the therapies currently under development. [less ▲]

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See detailBiodistribution and radiation dosimetry for the novel SV2A radiotracer [18F]UCB-H: Firstin- human study.
Bretin, Florian ULg; Bahri, Mohamed Ali ULg; BERNARD, Claire ULg et al

in Molecular Imaging & Biology (in press)

Abstract- [18F]UCB-H is a novel radiotracer with a high affinity for SV2A, a protein expressed in synaptic vesicles. SV2A is the binding site of levetiracetam, a “first in class” antiepileptic drug with a ... [more ▼]

Abstract- [18F]UCB-H is a novel radiotracer with a high affinity for SV2A, a protein expressed in synaptic vesicles. SV2A is the binding site of levetiracetam, a “first in class” antiepileptic drug with a distinct but still poorly understood mechanism of action. The objective of this study was to determine the biodistribution and radiation dosimetry of [18F]UCB-H in a human clinical trial and to establish injection limits according to biomedical research guidelines. Additionally, the clinical radiation dosimetry results were compared to estimations in previously published preclinical data. Dynamic whole body PET/CT imaging was performed over approximately 110 minutes on five healthy male volunteers after injection of 144.5 ± 7.1 MBq (range, 139.1 – 156.5 MBq) of [18F]UCB-H. Major organs were delineated on CT images and time-activity curves were obtained from co-registered dynamic PET emission scans. Time-integrated activity coefficients were calculated as area under the curve using trapezoidal numerical integration. Urinary excretion data based on PET-activities including voiding was simulated using the dynamic bladder module of OLINDA/EXM. The radiation dosimetry was calculated using OLINDA/EXM. The effective dose to the OLINDA/EXM 70 kg standard male was 1.54E-02 ± 6.84E-04 mSv/MBq, with urinary bladder wall, gallbladder wall and the liver receiving the highest absorbed dose. The brain, the tracer’s main organ of interest, received an absorbed dose of 1.89E-02 ± 2.32E-03 mGy/MBq. This first human dosimetry study of [18F]UCB-H indicated that the tracer shows similar radiation burdens to widely used common clinical tracers. Single injections of at maximum 672 MBq for USA practice and 649 MBq for European practice keep radiation exposure below recommended limits. Recently published preclinical dosimetry data extrapolated from mice provided satisfactory prediction of total body and effective dose, but showed significant differences in organ absorbed doses compared to human data. [less ▲]

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See detailLes tensions entre langue et politique en Belgique: linguistiques ou communautaires?
Dassargues, Alix ULg; Perrez, Julien ULg; Reuchamps, Min ULg

in Revue Internationale de Politique Comparée (in press)

Since its creation in 1830, Belgium has experienced tensions between language and politics. The question of the linguistic or community-related nature of these tensions should be raised since they have ... [more ▼]

Since its creation in 1830, Belgium has experienced tensions between language and politics. The question of the linguistic or community-related nature of these tensions should be raised since they have regularly been referred to as linguistic by some researchers and as community-related by others. But the choice of these adjectives is not unimportant considering they frame the representations of the political issues at hand. The aim of this article is to tackle this question from the combined perspective of linguistics and political science. In the first, the article explores the genealogy of the adjectives ‘linguistic’ and ‘community-related’ as well as the multiplicity of their uses in the scientific literature. In the second part, it focuses on the ways citizens see and talk about Belgian federalism through the respective analyses of their mental representations and their conceptual metaphors. Such interdisciplinary endeavour, bringing together theoretical and empirical insights, seeks to yield a renewed understanding of the political relations in Belgium and to contribute to the debate about plurilingual societies. [less ▲]

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See detailSpinoza contre Spinoza: l'antihumanisme de Lordon, un althussérisme?
Mancuso, Eva ULg

in Dissensus (in press), 6

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See detailSpecial issue on the political impact(s) of metaphors: Introduction
Perrez, Julien ULg; Reuchamps, Min

in Metaphor and the Social World (in press)

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See detailMetabolic variability in bioprocessing : implications of microbial phenotypic heterogeneity
Delvigne, Frank ULg; Zune, Quentin ULg; Lara, Alvaro et al

in Trends in Biotechnology (in press)

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See detailCharacterization of Cichopeptins, New Phytotoxic Cyclic Lipodepsipeptides Produced by Pseudomonas cichorii SF1-54, and Their Role in Bacterial Midrib Rot Disease of Lettuce
Huang, CJ; Pauwelyn, E.; Ongena, Marc ULg et al

in Molecular Plant-Microbe Interactions [=MPMI] (in press)

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See detailA European survey on attitudes towards pain and end-of-life issues in locked-in syndrome
Demertzi, Athina ULg; Jox, Ralf J; Racine, Eric et al

in Brain Injury (in press)

Objectives: Patients with locked-in syndrome often self-report a higher quality of life than generally expected. This study reports third-person attitudes towards several salient issues on locked-in ... [more ▼]

Objectives: Patients with locked-in syndrome often self-report a higher quality of life than generally expected. This study reports third-person attitudes towards several salient issues on locked-in syndrome. Methods: Close-ended survey among conference attendees from 33 European countries. Analysis included chi-square tests and logistic regressions. Results: From the 3332 respondents (33% physicians, 18% other clinicians, 49% other professions; 47% religious), 90% agreed that patients with locked-in syndrome can feel pain. The majority (75%) disagreed with treatment withdrawal, but 56% did not wish to be kept alive if they imagined themselves in this condition (p50.001). Religious and southern Europeans opposed to treatment withdrawal more often than non-religious (p50.001) and participants from the North (p¼0.001). When the locked-in syndrome was compared to disorders of consciousness, more respondents endorsed that being in a chronic locked-in syndrome was worse than being in a vegetative state or minimally conscious state for patients (59%) than they thought for families (40%, p50.001). Conclusions: Personal characteristics mediate opinions about locked-in syndrome. The dissociation between personal preferences and general opinions underlie the difference in perspective in disability. Ethical responses to dilemmas involving patients with locked-in syndrome should consider the diverging ethical attitudes of stakeholders. [less ▲]

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See detailDesign of hybrid nanovehicles for remotely triggered drug release: an overview
Liu, Ji; Detrembleur, Christophe ULg; Mornet, Stéphane et al

in Journal of Materials Chemistry B (in press)

n the past few decades, various nanovehicles have been developed as drug delivery systems, in which inorganic and organic components are integrated within a nano-object. Upon the application of remote ... [more ▼]

n the past few decades, various nanovehicles have been developed as drug delivery systems, in which inorganic and organic components are integrated within a nano-object. Upon the application of remote stimuli, e.g. alternating magnetic field, near infrared or ultrasound radiations, the release of guest molecules can be triggered in a quite controlled manner. Herein, we review different hybrid nanostructures which have already been reported for the remotely triggered release, such as those based on (1) host–guest conjugates, (2) core–corona nanoparticles, (3) polymer nanogels, (4) polymer micelles, (5) liposomes, (6) mesoporous silica particles and (7) hollow nanoparticles. Moreover, we also summarize six underlying mechanisms that govern such a kind of remotely triggered release behaviours: (1) enhanced diffusion and/or permeation, (2) thermo- or photo-labile bond cleavage, (3) fusion of phase-changed materials, (4) photo-induced isomerisation, (5) thermo-induced swelling/de-swelling of thermo-responsive polymers, and (6) destruction of the nanostructures. The ways in which different components are incorporated into an integrated hybrid nanostructure and how they contribute to the remotely triggered release behaviours are detailed. [less ▲]

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See detailDiversity of germination strategies and dormancy of graminoid and forb species of campo rupestre grasslands
Le Stradic, Soizig ULg; Silveira, Fernando A. O.; Buisson, Elise et al

in Austral Ecology (in press)

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See detailNegentiende-eeuwse anglofilie in Nederland
Steyaert, Kris ULg

in Spiegel der Letteren (in press), 57(3),

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See detailSiting Controversies Analysis: Framework and Method for Questioning the Procedure
Rossignol, Nicolas ULg; Parotte, Céline ULg; Joris, Geoffrey ULg et al

in Journal of Risk Research (in press)

Siting controversies are commonplace, as well against the construction of roads, railways, nuclear waste disposals, as against windfarms. Local citizens resist against siting decisions taken by the ... [more ▼]

Siting controversies are commonplace, as well against the construction of roads, railways, nuclear waste disposals, as against windfarms. Local citizens resist against siting decisions taken by the authorities, following a dynamics often quoted as ‘Not In My Back Yard’. Yet contested for its lack of analytical value, NIMBY is still used strategically by actors to qualify citizens as irrational and egoistic. Beyond this labelling, many factors are investigated to understand the dynamics behind siting controversies. In this paper, we focus on the impact of the legal procedure structuring the implantation of windfarms in the Walloon Region (Belgium), and its translations within different decision making processes in specific case studies. To that regard, we consider the legal procedure as a ‘public policy instrument’. It is neither neutral nor natural, and carry values and interests. It organizes inter-personal relations between actors, and is potentially catalyzer of frustrations. In addition, this legal procedure is the object of translations within different contexts, including different actors participating to specific decision making processes. The empirical approach of this paper is based on case studies data and on the use of an innovative methodology called ‘Open Process Workshop’. This methodology consists in a structured workshop with key stakeholders, during which the legal procedure is questioned. Overall, we demonstrate that the focus on the legal procedure - and its translations within different decision making processes - allows systemic analysis providing deep understandings of controversies and reaffirming the interlinks between ‘the social’ and ‘the technical’ in such controversies. In addition, we argue that the methodology used fosters the production of innovative knowledge, mutual understanding and collective learning between the participants. [less ▲]

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See detailWhy is later age at retirement beneficial for cognition? Results from a French population-based study
Grotz, Catherine ULg; Meillon, Céline; Amieva, Hélène et al

in Journal of Nutrition, Health & Aging (in press)

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See detailRecording and Reading Alchemy and Art-Technology in Medieval and Premodern German Recipe Collections
Neven, Sylvie ULg

in Nuncius. Journal of the Material and Visual History of Science (in press)

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See detailSurvivances et métamorphoses. Les gemmes isiaques remployées au Moyen Âge et leur interprétation
Veymiers, Richard ULg

in Anabases : Traditions et Réception de l'Antiquité (in press)

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See detailClinical sentinel surveillance of equine West Nile fever, Spain
Saegerman, Claude ULg; Alba-Casals, A; Garcia-Bocanegra, I et al

in Transboundary and Emerging Diseases (in press)

Detailed reference viewed: 14 (4 ULg)