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See detailNovel amphiphilic degradable copolymers for drug deivery systems
Van Butsele, Kathy; Freichels, Hélène ULg; Rieger, Jutta et al

Poster (2007, August 31)

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See detailElectrospinning and nanofibers
Sorlier, Pierre; Grignard, Bruno ULg; Mitu, Alina et al

Poster (2007, August 31)

Detailed reference viewed: 24 (1 ULg)
See detailTrithiocarbonate (macro) RAFt agents for the preparation of polymeric nanomaterials in homogeneous and heterogeneous media
Rieger, Jutta; Alaimo, David ULg; Carron, Amélie et al

Poster (2007, August 31)

Detailed reference viewed: 33 (3 ULg)
See detailImplantable hydrogels
Zalfen, Alina; Bozukova, Dimitriya; Jérôme, Robert ULg et al

Poster (2007, August 31)

Detailed reference viewed: 25 (3 ULg)
See detailPolymer/carbon nanotubes nanocomposites
Thomassin, Jean-Michel ULg; Caldarella, Giuseppe ULg; Germain, Albert ULg et al

Poster (2007, August 31)

Detailed reference viewed: 27 (2 ULg)
See detailBiosensors based on electrochemically prepared polyanilines and bifunctional hybrid proteins
Faure, Emilie ULg; Halusiak, Emilie; Ruth, Nadia ULg et al

Poster (2007, August 31)

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See detailUse of supercritical carbon dioxide for polym/clay nanocomposites preparation and foaming
Urbanczyk, Laetitia ULg; Stassin, Fabrice; Calberg, Cédric ULg et al

Poster (2007, August 31)

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See detailSynthesis of PCL/clay masterbatches and their redispersion in poly(styrene-co-acrylonitrile)
Urbanczyk, Laetitia ULg; Stassin, Fabrice; Calberg, Cédric ULg et al

Poster (2007, August 27)

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See detailCost-benefit analysis of mass vaccination campaign against H5N1 in small scale production systems in Vietnam. Part I: Economical results in Long An province
Phan Dang, Thang ULg; Stéphanie Desvaux; Vu Dinh Ton et al

Poster (2007, August 19)

Highly Pathogenic Avian Influenza (HPAI) caused by H5N1 virus has become endemic in some developing countries and millions of birds have been culled with large economical and sociological impacts. Since ... [more ▼]

Highly Pathogenic Avian Influenza (HPAI) caused by H5N1 virus has become endemic in some developing countries and millions of birds have been culled with large economical and sociological impacts. Since the end of the first vaccination campaign in Vietnam limited outbreaks in non-vaccinated domestic poultry have been reported. However, the virus is still circulating as confirmed by routine surveillance programs. Vaccination is a useful tool to be used to eradicate the disease, but the cost-benefit impact of different strategy needs first to be addressed at local level, where implementation is decided. The aim of this study was to evaluate the cost-benefit impact of Vietnam mass vaccination program at local level. This poster presents the first step in the cost-benefit analysis: the partial economical analysis of the vaccination within Vietnam provinces. Only the results in Long An province (South) are presented here. [less ▲]

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See detailFrequency effects of morphological units in derived and pseudoderived words in French dyslexics
Quemart, Pauline ULg; Casalis, Séverine

Poster (2007, August)

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See detailCarbon xerogels as catalyst supports
Job, Nathalie ULg; Léonard, Angélique ULg; Lambert, Stéphanie ULg et al

Poster (2007, August)

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See detailConditioning by high frequency visual stimuli of the visual evoked potential in healthy volunteers and migraineurs
Bolla, M.; Magis, Delphine ULg; Gerardy, P. et al

Poster (2007, August)

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See detailCombined analysis of fourteen nuclear genes refines the Ursidae phylogeny
Pagès, Marie ULg; Calvignac, Sébastien; Klein, Catherine et al

Poster (2007, August)

To definitively solve the last the ambiguities concerning the evolutionary history of Ursidae, we sequenced ten nuclear genes for all the eight extant bear species. By combining these new sequences with ... [more ▼]

To definitively solve the last the ambiguities concerning the evolutionary history of Ursidae, we sequenced ten nuclear genes for all the eight extant bear species. By combining these new sequences with those of four other recently published nuclear markers, we provide new insights into the phylogenetic relationships of the Ursidae family members. The hypothesis that the giant panda was the first species to diverge among ursids is definitively confirmed and the branching order within the Ursus genus is clarified for the first time. Moreover, these analyses indicate that the American and the Asiatic black bears do not cluster as sister taxa, as had been previously hypothesised. Sun and sloth bears undoubtedly appear as the most basal ursine species but uncertainties about their exact relationships remain. [less ▲]

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See detailCarbon nanotubes synthesis by CCVD process : kinetic study on a Fe-Co/Al2O3 catalyst
Pirard, Sophie ULg; Douven, Sigrid ULg; Bossuot, Christophe et al

Poster (2007, August)

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See detailDeterminants of long duration sickness absence after an occupational back injury in the Belgian working population
Mairiaux, Philippe ULg; Mazina, D. ULg

Poster (2007, August)

Aims Occupational low-back injuries are a major cause not only of lost time but also of job loss and early retirement for health reasons. To promote the employability of an aging workforce, a better ... [more ▼]

Aims Occupational low-back injuries are a major cause not only of lost time but also of job loss and early retirement for health reasons. To promote the employability of an aging workforce, a better understanding of the prognostic factors for a long duration sick leave after such injuries is needed. The Belgian national database of work accidents was used to investigate these factors. Methods The data were retrieved from the Belgian Fund for Work Accidents (FAT) database over a three-year period (2001-2003). The population source involved all the workers under a job contract in the private sector recorded during that period as compensated cases for an accident that occurred at the workplace (n=558.276); 6,6% of those cases had the back as “location of injury”. Taking into account the calendar year system for counting time on benefits, the analysis was restricted to the 18936 workers who had reported a back injury during the first 6 months of each year. Eight factors (gender, age, region, professional category, size of enterprise, seniority, sector of activity and accident circumstances) were analyzed in relation with the duration of sick leave as attributed by the insurance company. For each factor, the relative prevalence of cases with more than 92 days of work absence (outcome variable) was compared using the Pearson’s 2 in the bivariate analysis. In the multivariate analysis, a Stepwise Logistic Regression was performed to obtain the final model. Results The proportion of back injured workers with more than 92 lost days was 6.8 % (CI 95%: 6.4-7.1). In the bivariate analysis, all the 8 factors under study, gender and seniority excepted, were correlated with sick leave duration. After adjustment for confounding factors, the final model involved 5 factors statistically associated to a long duration sick leave: age (older than 40 years : OR=1.45(1.25-1.68)); geographical location of company (Wallonia: OR=1.70(1.47-1.98); Brussels: OR=1.61(1.29-2.02)); professional category (blue collar: OR=1.71 (1.32-2.20)); circumstance of accident (falls : OR=1.26 (1.03-1.52); overexertion: OR=0.75(0.64-0.89)); and sector of activity (building industry: OR=1.47(1.22-1.78)). Discussion and conclusions This study showed that in the Belgian working population, 6.8 % of the compensated back injuries can be considered as chronic back pain cases. This figure is however likely to underestimate the actual incidence of the problem as the FAT statistics showed that 21.7% of the back injury claims were rejected by the insurers. The proportion of back injured workers with a long sick leave (chronic low back pain) is clearly related to the worker age, blue-collar status, accident precipitating cause, and some high-risk activities; these observations are in line with the literature. The observed regional differences in incidence could not be explained by a differential distribution of high risk sectors in the country; they are probably to be ascribed to cultural and social factors but these could not be studied on the basis of the variables recorded in the FAT database. In conclusion, this study shows that considerable prevention efforts have to be focused on some categories of workers with back injury, who are at risk for a long sickness absence leading to chronic low back pain. References 1. Nielens H., Van Zundert J., Mairiaux P., Gailly J., Van Den Hecke N., Mazina D., Camberlin C., Bartholomeeussen S., De Gauquier K., Paulus D., Ramaekers D. Chronic Low Back Pain. Good Clinical Practice (GCP). Bruxelles: Centre fédéral d'expertise des soins de santé (KCE); 2006. KCE reports 48B (D/2006/10.273/64). 2. Crook J, Milner R, Schultz IZ et al. Determinants of occupational disability following a low back injury: a critical review of the literature. [Review] [68 refs]. Journal of Occupational Rehabilitation.12:277-95, 2002. [less ▲]

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See detailRandom Subwindows and Randomized Trees for Image Retrieval, Classification, and Annotation
Marée, Raphaël ULg; Dumont, Marie; Geurts, Pierre ULg et al

Poster (2007, July 22)

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See detailWater desorption isotherms of resorcinol-formaldehyde and carbon xerogels
Léonard, Angélique ULg; Escalona, I.; Job, Nathalie ULg et al

Poster (2007, July 15)

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See detailBiogeochemistry of a late coccolithophorid bloom at the continental margin of the Bay of Biscay
Harlay, Jérôme ULg; De Bodt, Caroline; d'Hoop, Quentin et al

Poster (2007, July 02)

Recent findings have led to growing concern regarding the impact of ocean acidification on marine calcifyers, but little is known about their biogeochemistry in natural (field) conditions (a major but ... [more ▼]

Recent findings have led to growing concern regarding the impact of ocean acidification on marine calcifyers, but little is known about their biogeochemistry in natural (field) conditions (a major but overlooked pre-requisite for realistic modelling of the future evolution of marine C cycling in a high CO2 world). The changes that will undergo these species in the near future and the biological feedback to decreasing oceanic pH are still open to debate. Coccolithophores, among which Emiliania huxleyi (Ehux) is the most abundant and widespread species, are the dominant calcifying phytoplankton in the subpolar and temperate zones of the worlds oceans. Within the framework of the Climate and Atmosphere Belgian Federal Science Policy Office programme, the continental margin of the Northern Bay of Biscay (North Atlantic Ocean) was visited in June 2006 during a transdisciplinary investigation of a late-spring bloom dominated by Ehux. Remote sensing images, transmitted onboard on a daily basis, were of valuable significance to pinpoint the coccolithophorid bloom along the margin, and to sample stations with contrasted biogeochemical properties.We determined 14C-based primary production and calcification rates, as well as pelagic respiration rates (O2 incubations). The magnitude of the biological and carbonate carbon fluxes will be synthesized and discussed in the light of biogeochemical parameters, such as Transparent Exopolymer Particles (TEP), chlorophyll-a, particulate carbon concentrations, particle dynamics and particulate organic carbon export (deduced from 234Th fluxes). Additional information on the bloom biogeochemistry will be presented (activity of dissolved esterase enzymes and bacterial community structure) to emphasize the importance of coccolithophorid blooms in the contemporary carbon cycle. [less ▲]

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See detailMeasurement of the partial pressure of CO2 in bulk sea ice
Geilfus, Nicolas-Xavier ULg; Verbeke, Véronique; Delille, Bruno ULg et al

Poster (2007, July)

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See detailNovel two stage real-time RT-PCR assay to detect and quantify huma and bovine noroviruses
Scipioni, Alexandra; Mauroy, Axel ULg; Ziant, Dominique et al

Poster (2007, July)

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See detailEmotional facial expression decoding in children high in social anxiety
Blairy, Sylvie ULg; Massin, Anne

Poster (2007, July)

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See detailReduced specificity of autobiographical memory and of personal projection in the future in alcoholics
Blairy, Sylvie ULg; Neumann, Aurore; Vanlofvelde, Cécile

Poster (2007, July)

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See detailCromakalim analogues as pancreatic β-cell-selective KATP channel openers
Florence, X.; De Tullio, Pascal ULg; Lebrun, P. et al

Poster (2007, July)

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See detailThrombin activity profile : a powerful ex vivo screening test for the development of anticoagulant drugs
Robert, S.; Ghiotto, J.; Pirotte, Bernard ULg et al

Poster (2007, July)

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See detailDevelopment and pre-validation of a high sensitive method for the determination of levonorgestrel in human plasma by SPE/LC/MS-MS
Hubert, Cédric ULg; streel, Bruno; Sibenaler, Renilde et al

Poster (2007, July)

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See detailIgf2 expression is required for complete immunological tolerance to insulin
Hansenne, Isabelle; Renard, Chantal; Geenen, Vincent ULg

Poster (2007, July)

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See detailMorphological decomposition in visual word recognition in French beginning readers
Quemart, Pauline ULg; Casalis, Séverine; Mathiot, Emmanuelle

Poster (2007, July)

Detailed reference viewed: 6 (0 ULg)
See detailKey roles for metal transport proteins in naturally selected Zn/Cd hyperaccumulation and tolerance in A. halleri
Talke, Ina N.; Hanikenne, Marc ULg; Ertych, N. et al

Poster (2007, June 26)

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See detailBm-573, a thromboxane receptor antagonist, reduces development of atherosclerosis in apoe–deficient mice
Cherdon, Céline ULg; Rolin, Stéphanie; Hanson, Julien ULg et al

Poster (2007, June 22)

Atherosclerotic cardiovascular disease, according to World Health Organization, is the primary cause of heart disease and stroke. Atherosclerosis is a chronic vascular disease whose development is ... [more ▼]

Atherosclerotic cardiovascular disease, according to World Health Organization, is the primary cause of heart disease and stroke. Atherosclerosis is a chronic vascular disease whose development is influenced by several mediators. Among them, the action of eicosanoïds such as thromboxane A2 and 8-iso-PGF2a have recently received a lot of attention. The aim of our study was the evaluation of benefits of original molecules, synthesised in our lab, targeting the thromboxane receptor (TP) in an apo E deficient mouse. We previously demonstrated in several in vitro and in vivo pharmacological experiments that our original sulfonylurea derivate, BM-573 was a potent combined inhibitor of the thromboxane synthase and antagonist of TP. Since TP is implied in atherosclerosis development, such antagonist could have a great therapeutic impact in atherogenesis.To test the efficacy of BM-573 in atherogenesis, the effect of 10 weeks of treatment with BM573 (10 mg/kg) on early aortic atherosclerotic lesions of apo E deficient mice was assessed. These mice were fed with chow diet, with spontaneous increase of total plasma cholesterol and triglycerides. In this experiment, while BM-573 did not affect body weight, it significantly decreased early atherogenesis lesions confirmed by macroscopic, microscopic and biochemical analysis. These results confirm that selective antagonism of TP receptor is effective in reducing atherosclerotic lesion in apo E deficient mice. Consequently, BM-573 could be a potential drug for prevention of atherosclerosis. [less ▲]

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See detailA conceptual tool for successful participation
Cornélis, Bernard; Brunet, Sébastien ULg; Delvenne, Pierre ULg et al

Poster (2007, June 19)

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See detailTHIXOFORMAGE DES METAUX: Mise en forme rapide de pièces fonctionelles “near-net-shape” à design complexe dignes du forgeage!
Rassili, Ahmed ULg; Vaneetveld, Grégory ULg; Pierret, Jean-Christophe ULg et al

Poster (2007, June 14)

Présentation du laboratoire de thixofomage de métaux.

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See detailDevelopment of a new integrated biosensor system for an accurate diagnosis of prostate cancer using optoacoustic detection
Fleron, Maximilien ULg; Schol, Daureen ULg; Greisch, Jean-François et al

Poster (2007, June 09)

The prostate cancer is the most common male-specific cancer observed in the European Union and is the second leading cause of cancer death in men in our industrialized countries. The choice of treatment ... [more ▼]

The prostate cancer is the most common male-specific cancer observed in the European Union and is the second leading cause of cancer death in men in our industrialized countries. The choice of treatment and its efficiency is largely dependent on the stage and on the degree of advancement of the cancer when it is diagnosed. Screening procedures like digital rectal examination (DRE) and free prostate specific antigen (PSA) level testing are well established but lack accuracy, yielding only 80% of prostate cancers diagnosed in an early stage. By providing a more accurate and precise tool for diagnosing prostate cancer in its early stages, the percentage of curable cancer patients would increase radically. Current imaging techniques have limited value, thus a major challenge in current prostate cancer oncology is to develop more accurate imaging assessments. An efficient imaging technique which significantly improves the sensitivity and specificity of diagnosing, staging and predicting the behaviour of prostate cancer would be extremely valuable. The ADONIS Project intends to prove the concept of using optoacoustic imaging in combination with biologically functionalized nanoparticles as an integrated biosensor based system for the production of specific and sensitive data for accurate diagnosis of prostate cancer. The achievement of this objective requires excellent know-how on a variety of scientific and technologic fields, brought by the partners of ADONIS, coming from five European countries, such as laser and ultrasound technologies and image reconstruction techniques, the bio-functionalization of nanoparticles, the system integration and, finally, experiments and competent evaluation of the results for their application potential. The development of the biosensor is firstly performed to target the Prostate Specific Membrane Antigen (PSMA), a transmembrane protein considered as a suitable biomarker for prostate cancer and which is under intense investigation for use as an imaging and therapeutic target. To allow the detection optimization of the biosensor, a 3D cellular culture technique (Rotating Cell Culture System) is developed with LNCaP cells (a human prostate carcinoma cell line reported to express PSMA) to be closest to the in vivo aspect for which a three-dimensional aspect of tumor for the biosensor detection is needed. Detection and localisation of PSMA on LNCaP cell surface was performed by immunostainning on monolayer culture and on spheroid slices. Then, by backscattered electron (BSE) microscopy analysis, detection of nanoparticles on cells surface shows the successful binding of the biosensor to the cells expressing PSMA. In prospect, the detection of the biosensor will be tested on large spheroids and finally tested on in vivo model. [less ▲]

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See detailFermentation contrôlée des olives vertes de table.
Lamzira, Z.; Ghabour, N.; Thonart, Philippe ULg et al

Poster (2007, June 07)

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See detailSTUDY OF THE POSSIBILITY TO PRODUCE CELLULOSE MICROFIBRILS BY APPLYING SHEARING TREATMENTS TO CELLULOSE FIBERS
Jacquet, Nicolas ULg; Paquot, Michel ULg

Poster (2007, June 04)

Cellulose is a linear biopolymer composed of glucose residues linked by β 1-4 glucosidics bonds. These characteristics enable cellulose molecules to adopt an extended rod-like configuration. In the ... [more ▼]

Cellulose is a linear biopolymer composed of glucose residues linked by β 1-4 glucosidics bonds. These characteristics enable cellulose molecules to adopt an extended rod-like configuration. In the microfibrils, the multiple hydroxyl groups on the glucose residues hydrogen bond with each other, holding the chains firmly together and contributing to their high tensile strength. This study has shown the possibility to produce cellulose microfibrils by applying shearing treatment. Homogenisation and microfluidisation treatments permit to obtain microfibrils with 5 to 20 μm length and a 20 to 50 nm diameter. This study also shows that a tridimensional network, typical of a gel, appears in the treated samples [less ▲]

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See detailProspects for Nulling Interferometry from Antarctica
Coudé Du Foresto, V.; Absil, Olivier ULg; Barillot, M. et al

Poster (2007, June 01)

The high Antarctic plateau is a very unique environment whose main characteristics make it a premier site for high angular resolution, high dynamic range observations at infrared wavelengths. This is due ... [more ▼]

The high Antarctic plateau is a very unique environment whose main characteristics make it a premier site for high angular resolution, high dynamic range observations at infrared wavelengths. This is due to a combination of cold temperatures (low emissivity), dry air (infrared transparency), and a night time atmospheric turbulence which is concentrated in the first ~30m near the ground (which results in a large isoplanatic angle). Above that turbulent layer (a location that can be reached either by support structures or tethered balloons), the free air seeing is both exceptionally benign and slow. There, simulations show that a small dedicated interferometer (two 1m-class telescopes) equipped with a nuller instrument performs better than the same instrument behind 8m-class telescopes on a temperate site. It can characterize the distribution of dust emission around nearby main sequence stars, a necessary precursor science for Darwin and TPF-I. The nature of the site, intermediate between ground and space both in potential and technical challenge, adds particular relevance to the demonstration of nulling for a space mission. [less ▲]

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See detailFirst-Principles Study of High-Pressure Phase Transitions and Thermal Properties of Al2O3
Xu, Bin ULg; Dong, Jianjun

Poster (2007, June)

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See detailSugar beet leaves as source of green notes.
Gigot, Cédric ULg; Rabetafika, Holy-Nadia ULg; Fauconnier, Marie-Laure ULg et al

Poster (2007, June)

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See detailAssessment of sea bass swimming activity and preferential space use in sea cages using acoustic telemetry and archival tags
Faucher, Karine ULg; Millot, Sandie ULg; Struski, Caroline et al

Poster (2007, June)

Swimming activity rhythms and levels as well as space occupation by sea bass, Dicentrarchus labrax, in a sea cage (6.5 x 6.5 x 8 m, ca. 25000 fish of 400 g stocked at 30 kg m-3) were recorded using ... [more ▼]

Swimming activity rhythms and levels as well as space occupation by sea bass, Dicentrarchus labrax, in a sea cage (6.5 x 6.5 x 8 m, ca. 25000 fish of 400 g stocked at 30 kg m-3) were recorded using acoustic telemetry (9 fish, IBDT Sonotronics) and archival tags (11, DSTs STAR ODDI). Acoustic tracking was realized over a 13 days period and successful for 3 individuals (one fix every 2 min on average). For archival tags, only 4 tags were retrieved and 3 had been recording swimming depth and temperature for 9 mo (Nov 05-June 06). Telemetry results showed an even day/night swimming activity levels in November with fish staying in close association with the bottom. Archival tags recordings revealed a preferential distribution in the water column between mid-water and bottom of the net cage in winter, over the whole water column in spring and near the surface zone in early-summer. In addition, on a 24 hrs period basis, sea bass presented a vertical movement rhythm: they swam closer to the surface during the day, specially around feeding events, and near the bottom at night. That vertical movement was pronounced during winter, faded during spring and almost disappeared in summer. [less ▲]

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See detailElaboration des olives vertes de table par voie biologique.
Ghabour, N.; Lamzira, Z.; Thonart, Philippe ULg et al

Poster (2007, June)

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See detailSalmonella spp on the pig meat through the cold chain in Belgium
Delhalle, Laurent ULg; Desadeleer, L.; Daube, Georges ULg

Poster (2007, June)

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See detailTowards the industrialization of traditional African fermented foods : a case study of fortified gari in Benin
Egountlety, M.; Adjakidje, A. S.; Segbedji, C. M. et al

Poster (2007, June)

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See detailDetection of Vibrio cholerae, V. parahaemolyticus and V. vulnificus in seafood using real time PCR.
Lemaire, Cédric; Darcy; China, Bernard et al

Poster (2007, June)

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See detailAcute peritonitis following rupture of a large rectal diverticulum in a dog
Saulnier-Troff, François-Guillaume; De Busscher, Virginie; Hamaide, Annick ULg

Poster (2007, June)

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See detailEtude comparative de la qualité de vie de sujets déments en fonction de leur lieu de résidence et de leur état cognitif
Missotten, Pierre ULg; Di Notte, David; Thomas, Philippe et al

Poster (2007, June)

Classiquement, on affirme que la qualité de vie (QdV) des personnes démentes est meilleure au domicile qu’en institution. Toutefois, cette affirmation n’est guère étayée par des études comparatives ... [more ▼]

Classiquement, on affirme que la qualité de vie (QdV) des personnes démentes est meilleure au domicile qu’en institution. Toutefois, cette affirmation n’est guère étayée par des études comparatives utilisant un même instrument d’évaluation. En outre, il n’y a pas de consensus sur la nature des relations entre troubles cognitifs et QdV. Dans le cadre des études Qualidem (Paquay et al., 2004) et PIXEL (Thomas et al., 2006), la QdV de sujets déments et vulnérables a été évaluée au moyen de l’Alzheimer Disease Related Quality of Life (ADRQL; Rabins et al., 1999). Des analyses préliminaires ont démontré l’absence de différences significatives entre les populations Qualidem et PIXEL (variables âge, sexe, dépendance et QdV). L’échantillon total se compose de sujets majoritairement féminins âgés de 65 ans et plus. Tous les sujets déments ont un score MMSE compris entre 0 et 23 et sont répartis en 5 groupes: MMSE 0-3; 4-8; 9-13; 14-18 et 19-23. Tous les sujets vulnérables ont un score MMSE24 et se situent au stade évolutif normal de la Clinical Dementia Rating/Modified (CDR/M; Heymans et al., 1987). L’analyse des scores ADRQL ne met pas en évidence une diminution linéaire de la QdV en fonction de la sévérité des troubles cognitifs. Toutefois, le lieu de résidence influence le profil des scores. En institution (n déments=296; n vulnérables=12), ils diminuent au stade débutant de la démence (MMSE 19-23), se stabilisent dans les groupes MMSE 9-13 et 14-18 avant de s’abaisser fortement dans les groupe MMSE 4-8 et 0-3. Au domicile, (n déments=159; n vulnérables=14), on observe une phase de diminution dans les groupes MMSE 19-23 et 14-18 puis une phase de stabilisation dans les 3 derniers groupes. En conclusion, la QdV des sujets déments n’évolue pas linéairement en fonction de la dégradation de l’état cognitif. L’évolution différente des profils selon le lieu de résidence soulève la question de l’influence de la variable « informant » dans l’hétéro-évaluation de la QdV de personnes démentes. Au domicile, cet informant est l’aidant principal (soignant informel) alors qu’en institution, il s’agit d’un soignant formel. L’hypothèse de biais de surévaluation par le soignant formel et de sous-évaluation par le soignant informel peut donc être posée. [less ▲]

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See detailEtude comparative de la qualité de vie chez des sujets déments, MCI et vulnérables
Missotten, Pierre ULg; Di Notte, David; Squelard, Gilles ULg et al

Poster (2007, June)

L’étude de la qualité de vie (QdV) des personnes démentes suscite de plus en plus d’intérêt. Son évaluation soulève de nombreuses interrogations concernant son évolution au cours du processus démentiel ... [more ▼]

L’étude de la qualité de vie (QdV) des personnes démentes suscite de plus en plus d’intérêt. Son évaluation soulève de nombreuses interrogations concernant son évolution au cours du processus démentiel. Les facteurs explicatifs demeurent encore controversés. Dans le cadre de l’étude Qualidem (Paquay et al., 2004), nous avons évalué, sur une période de deux ans, la QdV de sujets déments (n=362) avec l’Alzheimer Disease Related Quality of Life-ADRQL (Rabins et al., 1999). Leur QdV initiale a été comparée à celle de sujets MCI (n=36) et vulnérables (n=124). Majoritairement féminines, les trois populations se composent de sujets âgés de 65 ans et plus résidant en institution ou au domicile. L’analyse des scores ADRQL globaux ( /100) montre que la QdV du groupe « déments » (65.89±17.06) est significativement inférieure à celle des groupes « MCI » (82.11±13.31) et « vulnérables » (75.64±20.44). MCI et vulnérables ne se différencient pas entre eux. Les scores ADRQL du groupe « déments » ne sont pas en relation avec le sexe, l’âge et le lieu de résidence (domicile/institution). Ils sont corrélés avec l’état cognitif (MMSE, CAMCOG), la dépendance (AIVJ, AVQ), les troubles psychologiques et comportementaux (CERAD/BRSD) et le stade évolutif (CDR-M). Le MMSE et la CERAD/BRSD ont un rôle explicateur (25.92%) sur la variance du critère « qualité de vie ». Le suivi du groupe déments (n=127) met en évidence une absence de modifications significatives de la QdV sur une période de 2 ans. Par contre, une dégradation de l’état clinique (MMSE, AIVJ, AVQ, CDR-M) s’observe. Celle-ci s’accompagne d’une augmentation du pouvoir explicateur des variables du tableau clinique (MMSE et CDR/M). En conclusion, la QdV du groupe « déments » n’est pas très nettement inférieure à celle des groupes « MCI » et « vulnérables ». De plus, elle demeure relativement stable sur une période de 2 ans malgré la dégradation du tableau clinique. Ces résultats confortent l’hypothèse selon laquelle l’évolution de la QdV ne serait pas uniquement déterminée par des paramètres neurodégénératifs mais également par des variables en lien avec les environnements physique et social au sein desquels la personne démente vit sa maladie. [less ▲]

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See detailEffect of sexual genotype on the reproductive biology of the Nile tilapia, O.niloticus.
Rougeot, Carole ULg; Badiane, A. A.; Prignon, Christian ULg et al

Poster (2007, June)

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See detailSugar beet : a source of biofuel an chemicals.
Destain, Jacqueline ULg; Gigot, Cédric ULg; Fauconnier, Marie-Laure ULg et al

Poster (2007, June)

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See detailMacromolecular engineering of poly(ε-caprolactone) based on macrocyclic units
Lecomte, Philippe ULg; Li, Haiying; Riva, Raphaël ULg et al

Poster (2007, May 24)

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See detailDIVA: a Data Analysis Software with Generalized-Cross Validation and Quality Control
Troupin, Charles ULg; Rixen, Michel; Sirjacobs, Damien ULg et al

Poster (2007, May 19)

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See detailMitochondrion plasticity evidenced by coupled comparisons of mitochondrial and cellular proteomes
Mathy, Grégory ULg

Poster (2007, May 16)

Mitochondria are key organelles in primary metabolism: they are the main source of energy production and the starting point of important biosynthetic pathways. Thus the control of the mitochondrial ... [more ▼]

Mitochondria are key organelles in primary metabolism: they are the main source of energy production and the starting point of important biosynthetic pathways. Thus the control of the mitochondrial function is a prerequisite for cellular survival in front of a wide spectrum of exogenous or endogenous stresses. By using the SILAC method, we have investigated the yeast mitochondrial and cellular proteome adaptation to the heterologous expression of a mitochondrial alternative oxidase (AOX). AOX is an energy dissipating enzyme that catalyses the re-oxidation of ubiquinol within the respiratory chain and compete with the Cytochrome pathway for electrons and thus, prevents proton pumping, and consequently leads to a decrease in ATP synthesis. [less ▲]

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See detailModels of irrigation system for Pursat basin planning
Ly, Sarann ULg; Someth, Paradis; Men, Nareth

Poster (2007, May 14)

The Mekong River and the Tonle Sap Great Lake in Cambodia have vast floodplain suitable for rice-based farming system. The Tonle Sap Basin, defined as the catchments of the Tonle Sap River at its ... [more ▼]

The Mekong River and the Tonle Sap Great Lake in Cambodia have vast floodplain suitable for rice-based farming system. The Tonle Sap Basin, defined as the catchments of the Tonle Sap River at its confluence with the Mekong River and other 11 main tributaries draining higher ground on all sides of the basin enclosing 44% of Cambodia’s land area. The Pursat River is one of tributaries of the Tonle Sap Great Lake. It originates at Cardamom Mountains and has very good potential for agricultural development. In this paper, we aim at applying three models of irrigation system for basin planning: Chinit (Dam-Reservoir Irrigation), West Baray (Reservoir Irrigation) and Batheay (Shallow Reservoir Irrigation) to Pursat Basin (one of sub-basin of the Tonle Sap Great Lake). Chinit Dam-Reservoir stores water supplied by one of tributaries of Tonle Sap Great Lake, the Chinit River, located in Kampong Thom Province. Spillway is built to pass up inundation and to release water to downstream part. The rest of water in the Dam-Reservoir is distributed to the paddy field by main canal, secondary canals and tertiary canals. This system can be put at the upstream part of the Pursat River, mountainous area. The West Baray Irrigation system is characterized by a reservoir combined with a dike system in the floodplain of the Tonle Sap Great Lake and an irrigation system situated in Siem Reap province. The reservoir is supplied by a tributary of the Tonle Sap Great Lake, the Siem Reap River, in rainy season. The water is distributed to irrigation area in dry season. A small dike system was constructed in the Tonle Sap floodplain for retarding and storing floodwater. The stored floodwater is used as an additional water source for dry season cultivation. This system can be placed at the central plain of the Pursat Basin. Batheay reservoir directly receives floodwater from the Mekong River. It functions as both a reservoir and a paddy field. In wet season, dike around the Batheay reservoir prevents floodwater from entering the reservoir. Rainy season rice is grown inside the reservoir. After harvesting, gates around the reservoir are opened to receive floodwater. The water is stored for cultivating dry season rice outside the reservoir. This system can be put at the downstream part of the Pursat River, floodplain area of Tonle Sap River. [less ▲]

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See detailSimulation of annual cycles of phytoplankton, zooplankton and nutrients to the South of Gran Canaria
Troupin, Charles ULg; Sangrà, Pablo; Arístegui, Javier

Poster (2007, May 11)

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See detailLe bm-573, un antagoniste original de récepteur au thromboxane a2, réduit le développement des lesions atheromateuses chez des souris deficientes en apolipoproteine e (apo e-/-)
Cherdon, Céline ULg; Rolin, Stéphanie; Hanson, Julien ULg et al

Poster (2007, May 10)

Afin d’examiner l'efficacité du BM-573 dans l'athérogenèse, des souris apo E-/- ont été traitées durant 10 semaines avec le BM573 (10mg/kg). Au cours de cette expérience, le traitement des animaux par le ... [more ▼]

Afin d’examiner l'efficacité du BM-573 dans l'athérogenèse, des souris apo E-/- ont été traitées durant 10 semaines avec le BM573 (10mg/kg). Au cours de cette expérience, le traitement des animaux par le BM-573, a eu pour effet de diminuer les lésions athéromateuses précoces de manière significative. Ces données ont été confirmées par des analyses histopathologiques et biochimiques. Ces résultats confirment que l'antagonisme sélectif des récepteurs TP associé à une inhibition de la thromboxane synthase réduit significativement les lésions athéromateuses chez les souris apoE-/-.. Le BM-573 est, par conséquent, un agent thérapeutique potentiel pour la prévention de l'athérosclérose [less ▲]

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See detailCharacterization of gels via solvent desorption measurements
Gommes, Cédric ULg; Noville, Francis; Pirard, Jean-Paul ULg

Poster (2007, May)

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See detailGlobal strategy for the development of estrogenic compounds detection screening test
Collodoro, Mike ULg; Makasinga, Elu; Lemaire, Pascale ULg et al

Poster (2007, May)

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See detailExploring the risk factors for Salmonella in the ten biggest Belgian pig slaughterhouses.
Delhalle, Laurent ULg; Desadeleer, L.; Bollaerts, K. et al

Poster (2007, May)

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See detailResolution recovery iterative reconstruction for human pinhole SPECT: a phantom study.
Seret, Alain ULg; Defrise, Michel; Andreyev, André et al

Poster (2007, May)

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See detailDaily quality control of activimeters: an absolute usefulness.
Seret, Alain ULg; Greffe, J.-L.

Poster (2007, May)

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See detailValorisation in bread of dietary fibres from by-products of the agro-industries.
Roiseux, Olivier; Sindic, Marianne ULg; Vanderbeke, E. et al

Poster (2007, May)

Detailed reference viewed: 19 (3 ULg)