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See detailMonographie du plan de cohésion sociale de la commune de Farciennes – Evaluation des plans de cohésion sociale en Région Wallonne
Dassargues, Alix ULg; Thiry, Aline ULg; Fallon, Catherine ULg et al

Report (2012)

Il s'agit d'une étude approfondie du Plan de Cohésion Sociale de la commune de Farciennes réalisée dans le cadre de l'évaluation des processus de mise en oeuvre des PCS au niveau local. La monographie ... [more ▼]

Il s'agit d'une étude approfondie du Plan de Cohésion Sociale de la commune de Farciennes réalisée dans le cadre de l'évaluation des processus de mise en oeuvre des PCS au niveau local. La monographie propose une analyse minutieuse des cinq entretiens approfondis qui ont été menés avec des acteurs-clefs du PCS de la commune. Au total, six monographies ont été réalisées afin de comprendre les mécanismes et les éléments-clefs de la mise en oeuvre des PCS au niveau local. La synthèse des six études de cas fait l'objet d'un rapport intermédiaire de la recherche intitulé: "intégration des études de cas approfondies". [less ▲]

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See detailMagnetic behaviour of soft ferromagnetic alloys attached to bulk (RE)BCO superconductors
Philippe, Matthieu ULg; Fagnard, Jean-François ULg; Dennis, Anthony et al

Poster (2012, October)

Bulk (RE)BCO materials can be used potentially as powerful permanent magnets. The magnetic field distribution around a bulk HTS magnet, however, is strongly non-uniform (conic profile predicted by the ... [more ▼]

Bulk (RE)BCO materials can be used potentially as powerful permanent magnets. The magnetic field distribution around a bulk HTS magnet, however, is strongly non-uniform (conic profile predicted by the Bean model) compared to the rather flatter distribution around a ferromagnet. In the present work, we study how FeNi soft ferromagnetic alloys of different shapes can be combined with (RE)BCO bulk superconductors to improve the distribution of trapped field or its average value at the surface of the bulk sample. The FeNi ferromagnetic alloys are machined into pieces of various shapes (e.g. cylinder, cone) attached to the bottom surface of the bulk HTS disks. The magnetic properties of each ferromagnetic/superconductor (F/S) assembly are measured under axial magnetic field at 77 K. Small coils and Hall probe mappings provide the average magnetization and field distribution respectively. The results are compared to the intrinsic magnetic hysteresis curves of the magnetic alloys and of the superconductor. Measurements of the average magnetization show that the effects of the ferromagnetic alloys depend mainly on the volume of the ferromagnet and add up to the effect of the superconductor. However, at constant ferromagnetic volume, the shape of the ferromagnetic piece is found to influence the magnetic field penetration and distribution against the top surface of the superconductor. [less ▲]

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See detailMonographie du plan de cohésion sociale des communes du Condroz – Evaluation des plans de cohésion sociale en Région Wallonne
Thiry, Aline ULg; Dassargues, Alix ULg; Fallon, Catherine ULg et al

Report (2012)

Il s'agit d'une étude approfondie du Plan de Cohésion Sociale des communes du Condroz réalisée dans le cadre de l'évaluation des processus de mise en oeuvre des PCS au niveau local. La monographie propose ... [more ▼]

Il s'agit d'une étude approfondie du Plan de Cohésion Sociale des communes du Condroz réalisée dans le cadre de l'évaluation des processus de mise en oeuvre des PCS au niveau local. La monographie propose une analyse minutieuse des cinq entretiens approfondis qui ont été menés avec des acteurs-clefs du PCS des communes. Au total, six monographies ont été réalisées afin de comprendre les mécanismes et les éléments-clefs de la mise en oeuvre des PCS au niveau local. La synthèse des six études de cas fait l'objet d'un rapport intermédiaire de la recherche intitulé: "intégration des études de cas approfondies". [less ▲]

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See detailPotential of CE/MS for Small Carboxylic Acids Analysis as Alternative to GC/MS Reference Analytical Methods
Far, Johann ULg; Falmagne, Jean-Bernard, ANALIS R&D; de l'Escaille, François, ANALIS R&D et al

Poster (2012, October)

GC/MS (Gas Chromatography coupled to Mass Spectrometry) is the analytical method of choice for carboxylic acids analysis because of good sensitivity, low limit of detection and the possibility to compare ... [more ▼]

GC/MS (Gas Chromatography coupled to Mass Spectrometry) is the analytical method of choice for carboxylic acids analysis because of good sensitivity, low limit of detection and the possibility to compare the pattern of fragmentation with existing databases for identification. However GC requires that the analytes are volatile. If it is not the case, the use of chemicals in order to perform the derivatization is mandatory, this may induce analytical bias. CE (Capillary electrophoresis) is a technique of choice for ions separation without prior treatments. The method is fast and do not require highly technical skills. A UV detector is the most common detection method; however electrospray mass spectrometry detection is recently gaining interest, while it really helps for structural information of the detected compounds. In this poster, the preliminary results of CE/MS analysis of several carboxylic acids are presented. All carboxylic acids are analyzed without any sample pretreatment. These acids looked at are from the “Citric Acid Cycle” including pyruvate and some isotope labeled analogues but also glyoxylate, lactate, oxalate and tartrate. Moreover, the preliminary results of a sample preparation approach to remove phosphate salts are presented. Phosphate is a very common salt that is often used in biological buffers but prevents the derivatization of carboxylic acid for GC/MS analysis and reduces the reproducibility of results for both GC/MS and CE/MS analysis. [less ▲]

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See detailFORMATION: "La prise en charge de la maladie d'Alzheimer"
Adam, Stéphane ULg

Conference given outside the academic context (2012)

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See detailIs your company oriented toward strategic intelligence?
Brandt, Céline ULg; Gretry, Anaïs ULg; Gruslin, Claire ULg

Article for general public (2012)

If you wonder if your company is active in the different fields of strategic intelligence and which are its strengths and weaknesses, this questionnaire will help you to do so.

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See detailForce musculaire isocinétique du couple quadriceps / ischio-jambiers des joueurs de rugby professionnels
Julia, Marc; Pereira, B.; Morand, D. et al

in Résumés des communications orales SFTS (2012, October)

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See detailMODELING RELATIONSHIPS BETWEEN JUMP HEIGHT, GROUND CONTACT TIME, REACTIVITY AND STIFFNESS
Jidovtseff, Boris ULg; Apolloni, Jérémy; Harris, Nigel et al

in Abstract book of 8th International Conference on Strength Training (2012, October)

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See detailTADAM Traitement Assisté par DiAcétylMorphine: Profil des patients
Deblire, Clémence; Demaret, Isabelle ULg; Lemaître, André ULg

Poster (2012, October)

Background : TADAM est une étude contrôlée randomisée comparant un traitement par héroïne (HAT) avec des traitements par méthadone existants. Ce projet est toujours en cours mais nous disposons déjà de ... [more ▼]

Background : TADAM est une étude contrôlée randomisée comparant un traitement par héroïne (HAT) avec des traitements par méthadone existants. Ce projet est toujours en cours mais nous disposons déjà de données sur les patients au moment de leur inclusion. Nous analysons leur profil, particulièrement leurs caractéristiques criminologiques, et nous le comparons avec celui des participants aux autres expériences HAT. Méthodologie : Lors de l’inclusion, chaque patient a répondu à des questionnaires standardisés ainsi qu’à un questionnaire de délinquance et de victimisation auto-rapportées. Comme point de comparaison, nous avons sélectionné trois études européennes contrôlées randomisées sur le HAT. Nous avons ajouté une étude suisse, sans groupe contrôle, évaluant les effets de la prescription d’héroïne sur la délinquance des patients. Résultats : Nos patients sont plus âgés et plus souvent de sexe masculin. Ils bénéficient plus souvent d’allocations sociales et ont connu plus de traitements pour un problème d'addiction. Ces patients avaient un passé judiciaire aussi important qu’à l’étranger. Sur les six derniers mois, ils sont moins nombreux à avoir commis des actes délinquants mais le nombre d'actes commis est plus important. Les faits sont surtout liés à la drogue ou à la propriété. Conclusion : Nos patients étaient moins nombreux à être délinquants mais il y aurait plus de professionnalisation qu'à l'étranger. Le plus petit nombre de délinquants pourrait s'expliquer par la moyenne d'âge plus élevée de nos patients, la plus grande proportion d'allocataires sociaux ou encore par le recours plus important à des traitements pour leur(s) addiction(s). [less ▲]

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See detailNeurally adjusted ventilatory assist (NAVA) improves patient-ventilator interaction during non-invasive ventilation delivered by face mask
Piquilloud, L; Tassaux, D; Bialais, E et al

in Intensive Care Medicine (2012)

PURPOSE: To determine if, compared to pressure support (PS), neurally adjusted ventilatory assist (NAVA) reduces patient-ventilator asynchrony in intensive care patients undergoing noninvasive ventilation ... [more ▼]

PURPOSE: To determine if, compared to pressure support (PS), neurally adjusted ventilatory assist (NAVA) reduces patient-ventilator asynchrony in intensive care patients undergoing noninvasive ventilation with an oronasal face mask. METHODS: In this prospective interventional study we compared patient-ventilator synchrony between PS (with ventilator settings determined by the clinician) and NAVA (with the level set so as to obtain the same maximal airway pressure as in PS). Two 20-min recordings of airway pressure, flow and electrical activity of the diaphragm during PS and NAVA were acquired in a randomized order. Trigger delay (T(d)), the patient's neural inspiratory time (T(in)), ventilator pressurization duration (T(iv)), inspiratory time in excess (T(iex)), number of asynchrony events per minute and asynchrony index (AI) were determined. RESULTS: The study included 13 patients, six with COPD, and two with mixed pulmonary disease. T(d) was reduced with NAVA: median 35 ms (IQR 31-53 ms) versus 181 ms (122-208 ms); p = 0.0002. NAVA reduced both premature and delayed cyclings in the majority of patients, but not the median T(iex) value. The total number of asynchrony events tended to be reduced with NAVA: 1.0 events/min (0.5-3.1 events/min) versus 4.4 events/min (0.9-12.1 events/min); p = 0.08. AI was lower with NAVA: 4.9 % (2.5-10.5 %) versus 15.8 % (5.5-49.6 %); p = 0.03. During NAVA, there were no ineffective efforts, or late or premature cyclings. PaO(2) and PaCO(2) were not different between ventilatory modes. CONCLUSION: Compared to PS, NAVA improved patient ventilator synchrony during noninvasive ventilation by reducing T(d) and AI. Moreover, with NAVA, ineffective efforts, and late and premature cyclings were absent. [less ▲]

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See detailA comparative study of sexual product quality in F1 hybrids of the bream Abramis brama X the silver bream Blicca bjoerkna
Nzau Matondo, Billy ULg; Ovidio, Michaël ULg; Philippart, Jean-Claude ULg et al

in Fisheries Science (2012), 78

The gonadosomatic index at spawning, absolute fecundity, and egg size for the female sexual products as well as the density and consistency of semen for the male sexual products were examined in cultured ... [more ▼]

The gonadosomatic index at spawning, absolute fecundity, and egg size for the female sexual products as well as the density and consistency of semen for the male sexual products were examined in cultured Abramis brama 9 Blicca bjoerkna F1 hybrids and compared with the parental species at their first sexual maturity. Females ovulated under environmental conditions, and their eggs were weighed, counted and measured. Semen of males was macroscopically examined and spermatozoa counted using a hemocytometer. Results revealed that hybridization affected the quality of female and male gametes but with an overlap between hybrids and parents. The gonadosomatic index and fecundity were significantly lower than those of parental species. Egg sizes in hybrids showed a parental effect but to the benefit of hybrids. Semen of hybrids was more diluted which was classified into two groups: the white semen overlapping slightly with parents and the aqueous without any overlap with parents. Overlapped areas between hybrids and parents in term of quality of sexual products could translate that females and males of these hybrids have the biological capacity to produce high quality gametes and thus, a greater chance to produce F2 and backcross generations in rivers. [less ▲]

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See detailA review of dietary and non-dietary exposure to bisphenol-A.
Geens, Tinne; Aerts, Dominique; Berthot, Carl et al

in Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association (2012), 50(10), 3725-40

Due to the large number of applications of bisphenol-A (BPA), the human exposure routes are multiple. We aimed to review shortly the food and non-food sources of BPA, and to evaluate their contribution to ... [more ▼]

Due to the large number of applications of bisphenol-A (BPA), the human exposure routes are multiple. We aimed to review shortly the food and non-food sources of BPA, and to evaluate their contribution to the human exposure. Food sources discussed here include epoxy resins, polycarbonate and other applications, such as paperboard and polyvinylchloride materials. Among the non-food sources, exposures through dust, thermal paper, dental materials, and medical devices were summarized. Based on the available data for these exposure sources, it was concluded that the exposure to BPA from non-food sources is generally lower than that from exposure from food by at least one order of magnitude for most studied subgroups. The use of urinary concentrations from biomonitoring studies was evaluated and the back-calculation of BPA intake seems reliable for the overall exposure assessment. In general, the total exposure to BPA is several orders of magnitude lower than the current tolerable daily intake of 50 mug/kg bw/day. Finally, the paper concludes with some critical remarks and recommendations on future human exposure studies to BPA. [less ▲]

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See detailAménagement et préservation du patrimoine géologique en province de Liège (Belgique): les géosites d'Ampsin et des Tchafornis (Engis)
Mottequin, Bernard ULg; Barchy, Laurent; Chevalier, Emmanuel et al

in Annales de la Société Géologique du Nord (2012), 19 (2ème série)

Several initiatives intended to highlight the geological heritage have been recently developed in the Liège province (Belgium). The Ampsin and Tchafornis (Engis) geosites rank among them. The Ampsin ... [more ▼]

Several initiatives intended to highlight the geological heritage have been recently developed in the Liège province (Belgium). The Ampsin and Tchafornis (Engis) geosites rank among them. The Ampsin geosite shows the clear-cut passage between the shallow carbonate facies of the Middle Viséan and the terrigenous detrital facies of the Namurian. The Tchafornis geosite gives the opportunity to observe a superb example of biostrome with large colonial rugose corals of the base of the Upper Frasnian (Upper Devonian). Both are located in disused quarries and also give prominence to the regional extractive industry. [less ▲]

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See detailRisk Horizon and Expected Market Returns
Hübner, Georges ULg; Lejeune, Thomas ULg

E-print/Working paper (2012)

The paper proposes an equilibrium asset pricing model that accounts of the incomplete information on returns distribution and investors' preferences. Only moments up to order four of unknown unconditional ... [more ▼]

The paper proposes an equilibrium asset pricing model that accounts of the incomplete information on returns distribution and investors' preferences. Only moments up to order four of unknown unconditional distribution can be observed, and the model does not impose that portfolio diversi fication or moments preference should hold. Using Chebyshev-type of inequalities, an intuitive risk measure (risk horizon) is introduced with reference to the speed of convergence of a security's mean return to its expectations. By an arbitrage argument, this risk measure is related to the horizon of treasury securities in a system of equations that allows the calibration of the model parameters using term structure information. In particular, the expected return on the market portfolio can be endogenously estimated inside this system. The model calibration on U.S. market data provides plausible parameters estimates and interesting cyclical patterns in the time series of the expected return. The empirical relevance of these estimates is examined with tests of statistical and economic predictive ability for stock excess returns. The results provide signi ficant evidence on the added value of the estimates when compared to popular predictors found in the literature (see a.o. Lettau and Ludvigson, 2001; Rapach and Wohar, 2006; Goyal and Welch, 2008). [less ▲]

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See detailThe Study of Pottery
Mas, Juliette ULg

Speech (2012)

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See detailRose-Marie François : des mots et des langues
Pagnoulle, Christine ULg

Book published by L3 (2012)

The book brings together thirteen texts commenting on various aspects of Rose-Marie François' work as a poet, whether in actual collections or in novels. The essays move from a personal biographical ... [more ▼]

The book brings together thirteen texts commenting on various aspects of Rose-Marie François' work as a poet, whether in actual collections or in novels. The essays move from a personal biographical approach to more academic analyses of motifs or prosodic forms. [less ▲]

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See detailAssessment of lumbopelvic movement control in tennis players with and without low back pain
GROSDENT, Stéphanie ULg; Demoulin, Christophe ULg; Lemaire, Vincent et al

Poster (2012, October)

Relevance: LBP is common among tennis players. More than one third of professional tennis players reported LBP as reason for missing at least one tournament. As impaired lumbar motor functions have been ... [more ▼]

Relevance: LBP is common among tennis players. More than one third of professional tennis players reported LBP as reason for missing at least one tournament. As impaired lumbar motor functions have been associated with LBP, it appears particularly relevant to assess lumbopelvic movement control in tennis players. Methods: Twenty amateur tennis players (male, 22.9 ± 3.0 years) were included. Subjects were pooled into two groups: 10 players with chronic LBP (mean pain duration: 3.1 ± 2.6 years, pain severity score: 3.5/10 on a pain visual analogue scale) and 10 players without LBP. The Bent Knee Fall Out (BKFO) test was used to assess the players’ ability to control movement of lumbopelvic region. BKFO was performed in supine position and monitored by means of two pressure biofeedback units inflated to 40 mmHg and positioned under the lumbar spine of the participant. The reliability of this test has been previously assessed. Players were instructed to make an active abduction-external rotation movement of the hip (45°) without concomitant lumbopelvic movement of the pelvis and low back. Pressure modification (mmHg) was recorded, each side was assessed. Results: Tennis players with LBP had a worse lumbopelvic movement control than players without LBP both for dominant (9.0 mm Hg vs 3.4 mmHg, P<0.05) as well for the non-dominant side (9.1 mmHg vs 4.6 mmHg, P<0.05). Conclusions: Tennis players with LBP experience similar alterations of motor control as those observed in sedentary people with LBP. However, it remains unclear if these alterations are the cause of the consequence of chronic LBP. Implications: Further prospective studies should assess the cause or effect relationship and should determine whether motor control exercises are effective in tennis players with chronic LBP. [less ▲]

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See detailINTERRATER AGREEMENT OF CLINICAL TESTS/SIGNS USED TO IDENTIFY PATIENTS WITH LUMBAR FUNCTIONAL INSTABILITY
Demoulin, Christophe ULg; Emmanuel, P.; DISTREE, Vincent ULg et al

in Journal of Orthopaedic & Sports Physical Therapy (2012, October), 42(10), 57

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