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See detailTop-Down Proteomics using Matrix-Enhanced ISD
Demeure, Kevin ULg; Quinton, Loïc ULg; Gabelica, Valérie ULg et al

Poster (2007, October 11)

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See detailContribution to the valorisation of pomegranate (Punica granatum L.)
Bchir, Brahim ULg; Roiseux, Olivier; Attia, Hamadi et al

Poster (2007, October 11)

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See detailInteraction between the vaccine of cervical cancer associated and natural killer (NK) cells
Renoux, Virginie ULg; Longton, Laurence; Dortu, Estelle ULg et al

Poster (2007, October 11)

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See detailBm-573, an original thromboxane receptor antagonist, reduces development of atherosclerosis in apoe–deficient (apo e-/-) mice
Cherdon, Céline ULg; Rolin, Stéphanie; Hanson, Julien ULg et al

Poster (2007, October 11)

To test the efficacy of BM-573 in atherogenesis, the effect of 10 weeks of treatment with BM573 (10 mg/l) on early aortic atherosclerotic lesions of apo E deficient mice was assessed. These mice were fed ... [more ▼]

To test the efficacy of BM-573 in atherogenesis, the effect of 10 weeks of treatment with BM573 (10 mg/l) 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 decreases 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 detailAnalysis of the dynamic localization of atRSZp22 splicing factor by Flip-shuttling assay
Rausin, Glwadys ULg; Tillemans, Vinciane ULg; Wernimont, Pierre et al

Poster (2007, October 11)

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See detailCyanobacterial diversity at Utsteinen: The impact of the “zero emission” research station in Antarctica
Fernandez Carazo, Rafael ULg; Ertz, Damien; Wilmotte, Annick

Poster (2007, October 11)

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See detail"Trans-free" food products formulation : Thermal behavior of "trans-free" fat blends.
Danthine, Sabine ULg; Blecker, Christophe ULg; Deroanne, Claude

Poster (2007, October 11)

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See detailInfluence of hydratation time and ambient humidity on the adhesion of food particle aggregates.
Detry, Jean; Deroanne, Claude; Sindic, Marianne ULg

Poster (2007, October 11)

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See detailSelective thermal denaturation of Pisum sativum L. proteins using salt.
Dehon, Lydie; Deroanne, Claude; Blecker, Christophe ULg

Poster (2007, October 11)

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See detailEnzymatic synthesis of sugar esters obtained from renewable stabilized by dairy components.
Torezan, Gabriela; Ronkart, Sébastien; Paquot, Michel ULg et al

Poster (2007, October 11)

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See detailBio-cracking of sugar beet leaves targeting on Rubisco.
Akpa, Eric; Paquot, Michel ULg; Deroanne, Claude et al

Poster (2007, October 11)

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See detailEffect of moisture uptake on amorphous inulin properties.
Ronkart, Sébastien; Paquot, Michel ULg; Fougnies, C. et al

Poster (2007, October 11)

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See detailContribution to the valorization of^pomegranate (Punica granatum L.)
Bchir, Brahim; Roiseux, Olivier; Attia, Hamadi et al

Poster (2007, October 11)

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See detailAdaptation de l'entretien des ripisylves au patrimoine naturel
Mouchet, Frédéric; Laudelout, Arnaud; Claessens, Hugues ULg et al

Poster (2007, October 10)

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See detailLa maladie de l'aulne: Situation en Région Wallonne et recommandations de Gestion
Debruxelles, Natacha; Claessens, Hugues ULg; Dufays, Edwin ULg et al

Poster (2007, October 10)

C’est en 1999, que la maladie de l’aulne a été identifiée pour la première fois en Belgique. Cette maladie causée par Phytophthora alni touche autant l’aulne glutineux, espèce indigène la plus fréquente ... [more ▼]

C’est en 1999, que la maladie de l’aulne a été identifiée pour la première fois en Belgique. Cette maladie causée par Phytophthora alni touche autant l’aulne glutineux, espèce indigène la plus fréquente le long de nos cours d’eau, que l’aulne blanc. Les aulnes atteints présentent différents types de symptômes. En 2002, un inventaire par échantillonnage a été réalisé sur tous les cours d’eau classés et navigables en Région wallonne afin de cibler les zones concernées par la maladie et apprécier l’importance du phénomène. [less ▲]

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See detailLe monitoring des bandes riveraines : Vitrine des cours d'eau wallons
Debruxelles, Natacha; Claessens, Hugues ULg; Dufays, Edwin ULg et al

Poster (2007, October 10)

La gestion des cours d’eau est un exercice difficile qui nécessite souvent de conjuguer différents objectifs et contraintes. Pour assurer une gestion de qualité soucieuse du respect de la ... [more ▼]

La gestion des cours d’eau est un exercice difficile qui nécessite souvent de conjuguer différents objectifs et contraintes. Pour assurer une gestion de qualité soucieuse du respect de la multifonctionnalité de ces milieux, il apparaît primordial de disposer d’un état des lieux des ressources à un moment donné et surtout de leur évolution au cours du temps de celles-ci. Le monitoring des bandes riveraines doit donc être considéré comme un outil d’aide à la gestion, à la disposition tant des gestionnaires que des décideurs politiques. [less ▲]

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See detailLa sectorisation des cours d'eau wallons de première catégorie
Mouchet, Frédéric; Claessens, Hugues ULg; Henrotay, Frédéric ULg et al

Poster (2007, October 10)

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See detailOptoacoustic specific detection of prostate cancer using functionalized gold nanorods
Fleron, Maximilien ULg; Schol, Daureen ULg; Greisch, Jean-François et al

Poster (2007, October 10)

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See detailSchizophrenia and the attribution of interpersonal intentions from emotional facial expression
Blairy, Sylvie ULg; Nachtergael, Hilde; Neumann, Aurore

Poster (2007, October 04)

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See detailUtilidad medicinal de la flora de La Font de la Figuera (La Costera, Valencia)
Cascales - Miñana, Borja ULg; Martínez-Solís, Isabel; Sanahuja, Maria A. et al

Poster (2007, October)

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See detailPrevention and management of violence in Belgian psychiatric institutions: do current practices respect international guidelines?
Lardenois, Miguel; Duquesne, Patricia; Gillain, Nicolas ULg et al

Poster (2007, October)

Detailed reference viewed: 34 (9 ULg)
See detailThe influence of affective valence on false recognition in the Deese/Roediger & McDermott procedure.
Dehon, Hedwige ULg; Laroi, Frank ULg; van der linden, Martial

Poster (2007, October)

Detailed reference viewed: 7 (1 ULg)
See detailThe influence of affective valence on false recall in the Deese/Roediger & McDermott procedure.
Dehon, Hedwige ULg; Laroi, Frank ULg; Van der Linden, Martial

Poster (2007, October)

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See detailEtude du transport de la charge de fond des rivières grâce aux résidus de la sidérurgie ancienne
Houbrechts, Geoffrey ULg; Mols, Julien; Levecq, Yannick et al

Poster (2007, October)

En dynamique fluviale, différentes techniques de marquage sont couramment utilisées dans le but de cerner les critères de mise en mouvement de la charge de fond, de déterminer la compétence des cours ... [more ▼]

En dynamique fluviale, différentes techniques de marquage sont couramment utilisées dans le but de cerner les critères de mise en mouvement de la charge de fond, de déterminer la compétence des cours d’eau et d’estimer les distances de charriage. Toutefois, ces résultats sont basés sur des mobilisations d’éléments isolés et sur des pas de temps relativement courts. Il est donc difficile d’extrapoler ces données au déplacement de l’ensemble de la charge de fond vu l’existence de sites de piégeage, au sein même du lit mineur, qui peuvent immobiliser les éléments pendant de très longues périodes. Une méthode originale a toutefois été développée au laboratoire d’Hydrographie et de Géomorphologie fluviatile (ULg), pour étudier le transport de la charge de fond sur un pas de temps nettement plus long. Cette méthode consiste à utiliser les scories, rejetées en grande quantité par les anciens fondeurs dans les rivières, comme traceur de la progression de la charge de fond. Pendant plusieurs siècles, les scories se sont intimement mélangées avec les éléments naturels de la charge de fond et ont progressé conjointement. La taille des scories présentes sur les seuils permet donc d’estimer la compétence effective des rivières. Par ailleurs, les périodes de fonctionnement des sites sidérurgiques sont généralement connues. Sur la base des distances parcourues par les scories, il est donc possible d’évaluer la vitesse de progression des éléments de la charge de fond. [less ▲]

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See detailEvaluation de la résistance des aménagements par techniques végétales face aux événements hydrologiques
Peeters, Alexandre ULg; Hallot, Eric ULg; Houbrechts, Geoffrey ULg et al

Poster (2007, October)

Lors du suivi géomorphologique d’aménagement ou de restauration de cours d’eau par techniques végétales réalisé en Région Wallonne, nous nous sommes entre autres intéressés à la résistance que ces ... [more ▼]

Lors du suivi géomorphologique d’aménagement ou de restauration de cours d’eau par techniques végétales réalisé en Région Wallonne, nous nous sommes entre autres intéressés à la résistance que ces techniques offraient face aux différents évènements hydrologiques. Nous avons étudié plusieurs types de techniques (telles que plantations, caissons, épis, peignes et fascines, végétalisation de gabions, techniques combinées...) réalisés sur des rivières de différentes tailles, situées dans des contextes géomorphologiques régionaux variés (impliquant une dynamique différente). La résistance de ces techniques a été évaluée en utilisant la puissance spécifique calculée lors des différentes crues subies par l’aménagement. Cette dernière représente la capacité de travail qu'une rivière peut effectuer et elle permet, ente autres, d'appréhender l'activité des rivières en ce qui concerne les formes et la dynamique des méandres (Ferguson, 1981 ; Bravard, 1991) mais également la possibilité de réaction et d'adaptation des rivières en réponse à des travaux d'aménagement (Brookes, 1998). Les puissances spécifiques ont été calculées non seulement pour le débit à plein bord mais aussi pour la première crue importante survenue après la mise en place du chantier. Par ailleurs, les récurrences des crues ont également été déterminées. Ces premiers résultats nous permettent de proposer une synthèse s’intégrant dans un guide technique (Technique végétales : conception, application et recommandations, GIREA - LHGF) destinés aux différents gestionnaires. BRAVARD J.P., 1991. La dynamique fluviale à l’épreuve des changements environnementaux : Quels enseignements applicables à l’aménagement des rivières ? La Houille Blanche, 7-8, 515-521. BROOKES A., 1988. Channelized rivers, perspectives for environmental management. Wiley, New York, 326 p. FERGUSON R.I., 1981. Channel form and channel changes ; In British Rivers, Lewin J. (Ed), Allen, London,, 91- 125. [less ▲]

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See detailTechniques de marquage de la charge de fond des rivières
Hallot, Eric ULg; Houbrechts, Geoffrey ULg; Mols, Julien et al

Poster (2007, October)

Durant près d’une décennie, nous avons analysé le transport de la charge de fond dans une gamme de rivières de taille différente et situées dans des contextes géomorphologiques variés, au sein du massif ... [more ▼]

Durant près d’une décennie, nous avons analysé le transport de la charge de fond dans une gamme de rivières de taille différente et situées dans des contextes géomorphologiques variés, au sein du massif ardennais. Pour ce faire, des techniques de marquages traditionnels ont été mises en oeuvre (marquage de placette à la peinture, injection de galets peints) et des méthodes innovantes ont également été testées et développées (galets équipés d’émetteur radio, de pit-tag ou d’une charge métallique). Chacune de ces méthodes permet de déterminer certains aspects du transport de la charge de fond (paramètres de mobilisation, distance de charriage, compétence, échanges verticaux dans la couche active, tri hydraulique). Le type de marquage utilisé doit également être adapté aux caractéristiques intrinsèques de la rivière (pente, largeur, débit, espacement seuil mouille), de la charge de fond (granularité des sédiments, épaisseur de la couche active), de la disponibilité en matériaux et de l’héritage géomorphologique. Une étude systématique des taux de récupération des galets, des temps de mise en oeuvre, de la représentativité des résultats nous permet de présenter une première synthèse méthodologique détaillant les avantages et les inconvénients des différentes techniques en fonction du résultat escompté et du type de rivière. [less ▲]

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See detailDo tonsilar FDCs express PrPc in sheep?
Toppets, Vinciane ULg; Piret,J; Minne,M et al

Poster (2007, October)

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See detailEntanglement of localized states
Martin, John ULg; Giraud, Olivier; Georgeot, Bertrand

Poster (2007, October)

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See detailModel Extension Facilitates Parameter Estimation for Kinetic Reaction Networks
Fey, Dirk; Bullinger, Eric ULg

Poster (2007, September)

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See detailEffect of ruminal degradable ,itrogen defocit on nitrogen metabolismingrowing double muscled Belgian Blue bulls fed beet pulp silage based diet
Valkeners, Damien; Beckers, Yves ULg; Lindebrings, Aurore et al

Poster (2007, September)

Detailed reference viewed: 4 (4 ULg)
See detailModel Extension Facilitates Parameter Estimation for Kinetic Reaction Networks
Fey, Dirk; Bullinger, Eric ULg

Poster (2007, September)

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See detailCaractérisation phénotypique des cellules associées aux neurones à GnRH dérivées des placodes olfactives embryonnaires
Desroziers, Elodie ULg; Ottogalli, Monique; Delaleu, Bernadette et al

Poster (2007, September)

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See detail. Study of neuronal cells preconditioning by ESR.
Guelluy, Pierre-Henri ULg; Deby-Dupont; Hoebeke, Maryse ULg

Poster (2007, September)

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See detailThe Ursidae phylogeny based on the combined analysis of nuclear genes
Pagès, Marie ULg; Calvignac, Sébastien; Klein, Catherine et al

Poster (2007, September)

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 detailWall stent placement to prevent coils migration during intrahepatic embolisation of porto-systemic shunt in a dog
Bolen, Géraldine ULg; De Busscher, Virginie; Cavrenne, Romain et al

Poster (2007, September)

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See detailMeasurement of the magnetic flux threading holes of drilled superconductors
Lousberg, Grégory ULg

Poster (2007, September)

Article associé : Measurement of the magnetic field inside the holes of a drilled bulk high-Tc superconductor

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See detailLiaison VZV IgG and VZV IgM assays: a comparative study
Huynen, Pascale ULg; Melin, Pierrette ULg; De Mol, Patrick ULg

Poster (2007, September)

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See detailDetection of micro-RNA/gene interactions involved in angiogenesis using machine learning techniques
Huynh-Thu, Vân Anh ULg; Hiard, Samuel ULg; Geurts, Pierre ULg et al

Poster (2007, September)

Motivation: Angiogenesis is the process responsible for the growth of new blood vessels from existing ones. It is also associated with the development of cancer, as tumors need to be irrigated by blood ... [more ▼]

Motivation: Angiogenesis is the process responsible for the growth of new blood vessels from existing ones. It is also associated with the development of cancer, as tumors need to be irrigated by blood vessels for growing. New cancer therapies appear that exploit angiogenesis inhibitors, also called angiostatic agents, to asphyxiate and starve the tumors. Better understanding the regulatory mechanisms that control angiogenesis is thus fundamental. Recently, short non-coding RNA molecules, called micro-RNAs, have been discovered that are involved in post- transcriptional regulation of gene expressions. These molecules bind to RNA messengers following the base pairing rules, preventing them from being translated into proteins and/or tagging them for degradation. The main goal of this work is to use computational approaches to identify micro-RNAs involved in angiogenesis. Method: In order to identify genes involved in angiogenesis, bovine endothelial cells were treated by a known angiogenesis inhibitor [1], prolactin 16K, and their gene expression profile was compared to the profile of untreated cells. The genes were then divided into three classes: up-regulated, down-regulated, and unaffected genes. The 3'UTR regions of these genes were then analysed by machine learning techniques. Different approaches were considered. First, we described each gene by a vector of motif counts in their 3'UTR regions and used machine learning techniques to rank the motifs according to their relevance for separating the genes into the different classes. We considered successively motifs corresponding to the seeds of known micro- RNAs and also all possible motifs of a given length. To rank the motifs, we compared ensemble of decision trees and linear support vector machines. Second, we considered an approach called Segment and Combine that was proposed in [2]. Finally, we also carried out an exhaustive search of all motifs of a given length that satisfy some constraints on specificity and coverage with respect to a given gene category. Results: The ability of the different approaches at identifying relevant motifs was first assessed on genes predicted to be the target of some known miRNAs. In this simple setting, most methods were able to identify the micro-RNA seed. The results obtained on the genes regulated by prolactin 16K are also very encouraging. We were able to identify one micro-RNA already known to play a role in angiogenesis and several motifs are predicted by different approaches as very specific of up- or down-regulation by prolactin 16K. Their relationship with known micro-RNAs is certainly worth exploring. Conclusion: Machine learning approaches are promising techniques for the identification of micro-RNA/gene interactions. Future work will concern the application of the same kind of techniques on promoters for the identification of transcription factor binding sites. [less ▲]

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See detailHole lattice influence on the magnetization of drilled superconductors
Lousberg, Grégory ULg

Poster (2007, September)

Article associé : Bulk high-Tc superconductors with drilled holes: how to arrange the holes to maximize the trapped magnetic flux?

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See detailAn atypical cell during development of the auditory organ : the inner pillar cell
Thelen, Nicolas ULg; Malgrange, Brigitte ULg; Thiry, Marc ULg

Poster (2007, September)

Although the structure of the auditory organ in mature mammals, the organ of Corti, is clearly established, its development is far to be elucidated. Using cytochemical and immunohistochemical methods at ... [more ▼]

Although the structure of the auditory organ in mature mammals, the organ of Corti, is clearly established, its development is far to be elucidated. Using cytochemical and immunohistochemical methods at the light and electron microscope levels, we examined its spatiotemporal development in rats from embryonic day 16 (E16) to E19. <br />At E16, whatever the region of the cochlear studied (base, middle, apex), the organ of Corti is not present. We demonstrate that the organ of Corti develops from a non-proliferative cell zone that is located in the junctional region between the greater epithelial ridge and the lesser epithelial ridge of the cochlear duct and that is characterized by the presence of numerous microvilli. Using the periodic acid-thiocarbohydrazide-silver proteinate method, we reveal that the first cells to develop in this zone are the inner pillar cells, a particular type of nonsensory supporting cells; they arise in the base of the cochlear duct at the boundary between the two ridges at E16. The cell differentiation in this prosensory region continues according to a base-to-apex gradient, the inner hair cells appear in the greater epithelial ridge at E17 and the outer hair cells in the lesser epithelial ridge at E18. At E19, all the different cell types of the organ of Corti are well in place. We also show that the development of the inner pillar cells within the prosensory region does not involve Notch1 signaling. These results highlight the central role that cells could play the inner pillar in the organ of Corti development. [less ▲]

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See detailContribution of "click" chemistry to the functionalization of aliphatic polyesters
Schmeits, Stephanie ULg; Riva, Raphaël ULg; Zednik, Jiri et al

Poster (2007, August 31)

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See detailMacromolecular engineering of aliphatic polyesters based on macrocyclic units
Lecomte, Philippe ULg; Li, Haiying; Riva, Raphaël ULg et al

Poster (2007, August 31)

The last decades have witnessed a steadily increasing progress in the macromolecular engineering of the main families of synthetic polymers. Ring-shaped copolymers show a unique topology due to the ... [more ▼]

The last decades have witnessed a steadily increasing progress in the macromolecular engineering of the main families of synthetic polymers. Ring-shaped copolymers show a unique topology due to the absence of any chain-end and exhibit distinct properties from their linear counterparts, such as glass transition temperature, order-disorder transition, reduced viscosity, lower hydrodynamic volumes. This communication aims at reporting on a novel route to biodegradable cyclic polyesters. Our strategy is based on the work of Prof. Kricheldorf who initiated the ring-opening polymerization of ε-caprolactone by cyclic tin dialkoxides, e.g., 2,2-dibutyl-2-stanna-1,3-dioxepane (DSDOP) in order to obtain “living” macrocyclic PCL, still containing two endocyclic tin-oxygen bonds. In this work, the resumption of polymerization by a few units of ε-caprolactone substituted by an acrylic unit, e.g., 1-(2-oxooxepan-3-yl)ethyl prop-2-enoate, followed by intramolecular photo-cross-linking of pendant unsaturations and finally by hydrolysis gave rise to macrocyclic PCL. As a rule, this strategy is very well-suited for the synthesis of high molecular weight PCL. Moreover, tin alkoxides were kept untouched after the cross-linking step and remained thus available for further macromolecular engineering. The process was extended to the synthesis of other architectures such as sun-shaped, two-tail tadpole-shaped, eight-shaped and symmetrical four-tail eight-shaped copolyesters. [less ▲]

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See detailSynthesis of high-relaxivity contrast agents for magnetic resonance imaging by "click" chemistry
Vanasschen, Christian; Thonon, David ULg; Lecomte, Philippe ULg et al

Poster (2007, August 31)

Detailed reference viewed: 52 (7 ULg)
See detailCobalt(II) complexes as controlling agents for the radical polymerization of vinyl monomers
Debuigne, Antoine ULg; Sciannaméa, Valérie; Piette, Yasmine ULg et al

Poster (2007, August 31)

Detailed reference viewed: 14 (3 ULg)
See detailNovel amphiphilic degradable copolymers for drug deivery systems
Van Butsele, Kathy; Freichels, Hélène ULg; Rieger, Jutta et al

Poster (2007, August 31)

Detailed reference viewed: 15 (1 ULg)
See detailElectrospinning and nanofibers
Sorlier, Pierre; Grignard, Bruno ULg; Mitu, Alina et al

Poster (2007, August 31)

Detailed reference viewed: 26 (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: 35 (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: 32 (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 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 detailCarbon xerogels as catalyst supports
Job, Nathalie ULg; Léonard, Angélique ULg; Lambert, Stéphanie ULg 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 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 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 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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