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See detailLa plume du personnel scientifique. Un agenda de la recherche actuelle
Cornet, Adeline ULg; Reuchamps, Min ULg; Van Aken, Nicolas ULg

in Revue de la faculté de droit de l'Université de Liège (2009), 54(4), 455-689

Ce numéro spécial de la Revue de la Faculté de droit de l’Université de Liège réunit, comme son titre l’indique, un ensemble de contributions du « personnel scientifique » de la Faculté de Droit et de ... [more ▼]

Ce numéro spécial de la Revue de la Faculté de droit de l’Université de Liège réunit, comme son titre l’indique, un ensemble de contributions du « personnel scientifique » de la Faculté de Droit et de Science politique – École liégeoise de Criminologie Jean Constant. Sommaire du numéro : Adeline CORNET, Min REUCHAMPS et Nicolas VAN AKEN, La plume du personnel scientifique ? Un agenda de la recherche actuelle Sophie WINTGENS, La politique internationale du Pakistan, un enjeu interne? Nicolas VAN AKEN, Les relations tumultueuses entre l'Emission Trading Scheme et le principe communautaire d'égalité: mariage forcé ou divorce à l'amiable? Vincent SERON, Casier judiciaire et délinquance sexuelle: quelques considérations autour d'un diptyque mémoire-oubli Arianne SALVE, La copropriété d'immeubles ou de groupe d'immeubles bâtis: un tour d'horizon de la réforme Min REUCHAMPS, Le fédéralisme et ses deux sens - négatifs - en Belgique francophone Grégory PIET, Retour en visibilité religions/religieux: analyse de leurs causes et conséquences européennes Geoffroy MATAGNE, Du conflit «révolutionnaire» au conflit «institutionnalisé»: étude des revendications centrifuges en Belgique Evelyne LANGENAKEN, La responsabilité du psychiatre - Piste de réflexion à l'issue du procès de Geneviève Lhermitte Geoffrey GRANDJEAN, Quelques réflexions sur les enjeux mémoriels autour de la répression du négationnisme en Belgique Corinne GERIN, Ambiguïté du stage parental ou chronique d'une mort annoncée Laurent FRANKIGNOUL, La crise bancaire de 2008, de Cleveland à Bruxelles Bertrand FINCOEUR, Jusqu'où va-t-on au nom de l'éthique? - La lutte antidopage dans le cyclisme sur route Teresa ELOLA CALDERON, Quels changements institutionnels le Traité de Lisbonne apporte-t-il à la Politique agricole commune (PAC) Alexandre DEFOSSEZ, L'effet direct horizontal des libertés communautaires et la liberté syndicale Adeline CORNET, Existe-t-il un modèle sexué dans les professions juridiques ? Analyse micro- et macrosociale du barreau et de la magistrature Charlotte BRAILLON, La théorie classique de la coutume et le rôle nouveau de l'opinio juris: Discours de la justice en droit international et en droit interne Adeline CORNET, Min REUCHAMPS et Nicolas VAN AKEN, La plume du personnel scientifique. Un agenda de la recherche actuelle - Epilogue: un numéro spécial et plus que cela [less ▲]

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See detailAnalysis of lateral mobility of channels at different spatial and time scales (Ardenne massif, Belgium)
Houbrechts, Geoffrey ULg; Van Campenhout, Jean ULg; Hallot, Eric ULg et al

Poster (2009)

Lateral mobility of Ardenne rivers has been studied at different scales using three complementary methods. We firstly compared the layout of channels on topographic maps (since the 18th century) and ... [more ▼]

Lateral mobility of Ardenne rivers has been studied at different scales using three complementary methods. We firstly compared the layout of channels on topographic maps (since the 18th century) and aerial pictures. Given that these documents have different scales and projection systems, they were transformed into a common referencing system. This method allowed us to study the lateral shifting of channels, however, as the mobility of Ardenne rivers is relatively low, the errors of geometric rectifications are often more important than lateral displacements. Therefore, to visualize these deformations, georeferenced documents were overlaid with a regular grid of points. We represented the imprecision vector based on x and y residual components for each point. These vectors show the direction of the deformation and its amplitude. Large quantities of iron slag are present in the sediments of Ardenne rivers. These waste products come from hundreds of ironworks built close to rivers since the 14th century. Analyses of slag concentrations in alluvial deposits allowed us to delimitate the sectors of floodplains eroded by rivers during the last centuries. In these sectors, slag elements are present at the contact with the gravel sheet. Finally, we analysed the topography of floodplains from a DEM-LIDAR. This digital elevation model has been established by the Walloon Region for the cartography of flood risk in floodplains. It presents a Z mean error of only 15 cm and a X-Y resolution of 1 m. In order to reveal paleochannels and topographic alluvial units, we subtracted a surface, corresponding to the longitudinal water surface slope, extracted from the DEM. By using this method, we are able to obtain the relative height of any point of the floodplain with regard to the water surface, projected perpendicularly to the layout, on this point. This procedure reveals paleochannels even if they are almost infilled and allows us to delimitate, for several kilometres, alluvial units, which have been formed at different periods. [less ▲]

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See detailDistribution and evolution of ferripyoverdine receptors in Pseudomonas aeruginosa.
Bodilis, Josselin; Ghysels, Bart ULg; Osayande, Julie et al

in Environmental microbiology (2009), 11(8), 2123-35

Pseudomonas aeruginosa is a ubiquitous gram-negative bacterium, which is also able to cause severe opportunistic infections in humans. The colonization of the host is importantly affected by the ... [more ▼]

Pseudomonas aeruginosa is a ubiquitous gram-negative bacterium, which is also able to cause severe opportunistic infections in humans. The colonization of the host is importantly affected by the production of the high-affinity iron (III) scavenging peptidic siderophore pyoverdine. The species P. aeruginosa can be divided into three subgroups ('siderovars'), each characterized by the production of a specific pyoverdine and receptor (FpvA). We used a multiplex PCR to determine the FpvA siderovar on 345 P. aeruginosa strains from environmental or clinical origin. We found about the same proportion of each type in clinical strains, while FpvA type I was slightly over-represented (49%) in environmental strains. Our multiplex PCR also detected the presence or absence of an additional receptor for type I pyoverdine (FpvB). The fpvB gene was in fact present in the vast majority of P. aeruginosa strains (93%), regardless of their siderovar or their origin. Finally, molecular analyses of fpvA and fpvB genes highlighted a complex evolutionary history, probably linked to the central role of iron acquisition in the ecology and virulence of P. aeruginosa. [less ▲]

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See detailLa Cellule qualité des produits fermiers
Helleputte, Murielle ULg; Sindic, Marianne ULg

in Les filières bovines dans la tourmente : produire plus et mieux avec moins. (2009)

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See detailTraçabilité en agroalimentaire : pourquoi ? Comment ?
Duquesne, Brigitte ULg

in Origine et Traçabilité : actes du colloque (2009)

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See detailA randomized trial of pegylated-interferon alpha 2a plus ribavirin with or without amantadine in treatment-naïve or relapsing chronic hepatitis C patients
Langlet, P.; D'Heygere, F.; Henrion, J. et al

in Alimentary Pharmacology & Therapeutics (2009), 30

Background The combination therapy of pegylated-interferon-a2a plus ribavirin is considered as the standard of care for patients with chronic hepatitis C. A sustained viral response is obtained in 40–50 ... [more ▼]

Background The combination therapy of pegylated-interferon-a2a plus ribavirin is considered as the standard of care for patients with chronic hepatitis C. A sustained viral response is obtained in 40–50% of naı¨ve patients with genotype 1 and in around 80% of naı¨ve patients with genotype 2 or 3. Aim To assess whether amantadine, added to the conventional combination therapy, could improve the treatment efficacy. Methods In all, 630 patients (intent-to-treat population) with chronic hepatitis C were randomized into two groups: 316 patients (treatment group) received pegylated-interferon-a2a (180 lg once weekly) plus ribavirin (1000–1200 mg⁄ daily) with amantadine (200 mg⁄ daily); 314 patients (control group) received pegylated-interferon-a2a (180 lg once weekly) plus ribavirin (1000–1200 mg⁄ daily) without amantadine. The duration of the treatment was 48 weeks for genotypes 1, 4, 5 and 6, and 24 weeks for genotypes 2 and 3. Results There was no statistically significant difference between treatments groups for any of the variables tested for. Subgroups of patients likely to take advantage of the addition of amantadine were not identified. Conclusions This large study definitely excludes the role of amantadine in addition of conventional combination therapy in the treatment of chronic hepatitis C patients. [less ▲]

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See detailDe la codicologie à l'archéologie du savoir. Le cas particulier du carnet de notes de l'historien égyptien al-Maqrīzī (m. 845/1442)
Bauden, Frédéric ULg

in Archives et Bibliothèques de Belgique = Archief en Bibliotheekwezen in Belgie (2009), 87

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See detailLocalization of Nopp140 within mammalian cells during interphase and mitosis.
Thiry, Marc ULg; Cheutin, Thierry; Lamaye, Françoise ULg et al

in Histochemistry & Cell Biology (2009), 132(2), 129-40

We investigated distribution of the nucleolar phosphoprotein Nopp140 within mammalian cells, using immunofluorescence confocal microscopy and immunoelectron microscopy. During interphase, three ... [more ▼]

We investigated distribution of the nucleolar phosphoprotein Nopp140 within mammalian cells, using immunofluorescence confocal microscopy and immunoelectron microscopy. During interphase, three-dimensional image reconstructions of confocal sections revealed that nucleolar labelling appeared as several tiny spheres organized in necklaces. Moreover, after an immunogold labelling procedure, gold particles were detected not only over the dense fibrillar component but also over the fibrillar centres of nucleoli in untreated and actinomycin D-treated cells. Labelling was also consistently present in Cajal bodies. After pulse-chase experiments with BrUTP, colocalization was more prominent after a 10- to 15-min chase than after a 5-min chase. During mitosis, confocal analysis indicated that Nopp140 organization was lost. The protein dispersed between and around the chromosomes in prophase. From prometaphase to telophase, it was also detected in numerous cytoplasmic nucleolus-derived foci. During telophase, it reappeared in the reforming nucleoli of daughter nuclei. This strongly suggests that Nopp140 could be a component implicated in the early steps of pre-rRNA processing. [less ▲]

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See detailYlang-ylang (Cananga odorata (Lam.) Hook. & Thoms. var. genuina) essential oils from Comoros Islands: characterization and variability
Benini, Céline ULg; Wathelet, Jean-Paul ULg; du Jardin, Patrick ULg et al

Poster (2009)

The Union of the Comoros is the world’s biggest producer of ylang-ylang essential oils. Comorian ylang-ylang also provides the most valuable essential oil that can be found on international market. This ... [more ▼]

The Union of the Comoros is the world’s biggest producer of ylang-ylang essential oils. Comorian ylang-ylang also provides the most valuable essential oil that can be found on international market. This product represents a high percentage of Comoros’ annual currency. Ylang-ylang essential oil is obtained by fractionned hydrodistillation or steam distillation of Cananga odorata fresh flowers. This oil is commercialized in five different quality grades (extra S; extra; I; II; III) which possess their own physicochemical properties. [less ▲]

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See detailNew karyotypic data for Asian rodents (Rodentia, Muridae) with the first report of B-chromosomes in the genus Mus
Badenhorst, Daleen; Herbreteau, Vincent; Chaval, Yannick et al

in Journal of Zoology (2009), 279(1), 44-56

Karyotypes of 18 rodent species collected in various localities in Thailand were analysed as part of an epidemiological survey of the region using conventional cytogenetic techniques. The aim was to re ... [more ▼]

Karyotypes of 18 rodent species collected in various localities in Thailand were analysed as part of an epidemiological survey of the region using conventional cytogenetic techniques. The aim was to re-assess the reliability of karyotype-based diagnoses of Thai rodents using an updated taxonomic framework. The species examined include Menetes berdmorei (Sciuridae), Mus caroli, Mus cervicolor and Mus cookii, Hapalomys delacouri, Chiropodomys gliroides, as well as several representatives of most of the lineages of the Rattini tribe, that is Rattus exulans, Rattus losea, Rattus tanezumi, Leopoldamys edwardsi, Leopoldamys neilli, Maxomys surifer, Niviventer fulvescens, Berylmys berdmorei, Berylmys bowersi, Bandicota indica and Bandicota savilei (Muridae). The first descriptions of G- and/or C-banding karyotypes are provided for several of these, that is, B. savilei, L. edwardsi, M. surifer, B. berdmorei, B. bowersi, N. fulvescens and H. delacouri. Although largely in agreement with available data, our findings on chromosome morphology differ slightly from those published for L. edwardsi, M. surifer, B. savilei and the two Berylmys species, B. berdmorei and B. bowersi. In addition, we document the novel finding of B-chromosomes in the genera Berylmys, Bandicota and the emblematic Mus. Importantly, few species-specific chromosomal characteristic could be identified within most of the genera investigated in our study and, in contrast to previous claims, the usefulness of karyotypes for diagnosing these Asian murid species appears to be limited. [less ▲]

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See detailDam Break Flow Modelling and Geographical Distribution of the Roughness Coefficient
Paulus, Raphaël ULg; Ernst, Julien ULg; Dewals, Benjamin ULg et al

in Proc. 33rd IAHR Congress: Water Engineering for a Sustainable Environment (pp. 2429-2436) (2009)

Dam break flow modelling is a major field of research. In order to enable risk analysis in the downstream valleys of dams, 2D numerical simulations are of prime interest. These are based on the ... [more ▼]

Dam break flow modelling is a major field of research. In order to enable risk analysis in the downstream valleys of dams, 2D numerical simulations are of prime interest. These are based on the conservative set of shallow water equations. Beyond their numerical implementation, the challenge of the computation relies on the ability to handle very huge sets of high-precision data, in order to get the highest possible accuracy, whereas the computational time must remain realistic for simulations carried out on real valleys topography. In this paper, a simulation on about 2 500 000 cells is presented. Particularly, the results are compared and discussed regarding especially the exploitation of landuse data for the roughness. Beyond the examples of validation, the relevance of the developed methodology appears to be essential in the framework of risk analysis. [less ▲]

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See detailPolymerization of ortho-Substituted Phenylacetylenes with Well-Defined Ruthenium-Alkylidene Catalysts and Related Metathesis Initiators
Katsumata, T.; Shiotsuki, M.; Sanda, F. et al

in Macromolecular Chemistry And Physics (2009), 210(22), 1891-1902

The polymerization of (2-isopropoxyphenyl)acetylene was investigated using a wide range of well-defined ruthenium-alkylidene complexes and related olefin metathesis initiators. In view of its superior ... [more ▼]

The polymerization of (2-isopropoxyphenyl)acetylene was investigated using a wide range of well-defined ruthenium-alkylidene complexes and related olefin metathesis initiators. In view of its superior activity, the second generation Hoveyda-Grubbs catalyst was singled out for further studies. Only phenylacetylenes ortho-substituted with alkoxy, ester, fluoro, and silyl groups afforded polymers with moderate molecular weights. They were characterized by various analytical techniques, and their properties were pared with those of samples prepared using Rh and W initiators. The Ru-based polymers possessed high trans contents and took a helical conformation with predominantly one-handed screw sense when chiral side-chains were present. [less ▲]

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See detailL'enseignement de l'usage du tableur en Communauté française de Belgique: considérations curriculaires
Vandeput, Etienne ULg

in Bruillard, Éric; Pochon, Luc-Olivier; Baron, Georges-Louis (Eds.) Informatique et progiciels en éducation et en formation: continuités et perspectives (2009)

L'article rédigé dans la foulée d'une table ronde consacrée à l'enseignement de l'usage du tableur dans plusieurs pays (France, Suisse, Grèce, Belgique) dresse l'état de la situation en ce qui concerne ... [more ▼]

L'article rédigé dans la foulée d'une table ronde consacrée à l'enseignement de l'usage du tableur dans plusieurs pays (France, Suisse, Grèce, Belgique) dresse l'état de la situation en ce qui concerne cet enseignement en Communauté française de Belgique. [less ▲]

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See detailAnalyse des coûts/bénéfices dans le cadre de la lutte contre Diahotica virgifera Le Conte
Louppe, H.; Burny, Philippe ULg; De Proft, M. et al

Report (2009)

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See detailGuidelines for an integrated diagnostic approach of chronic lymphoproliferative disorders in the routine laboratory of haematology in Belgium.
Nollet, F.; Bakkus, M.; Meeus, P. et al

in Acta Clinica Belgica (2009), 64(6), 494-504

This paper summarizes the minimal workout of chronic lymphoproliferative disorders in a routine laboratory of haematology as recommended by a team of experienced laboratory supervisors in Belgium, taking ... [more ▼]

This paper summarizes the minimal workout of chronic lymphoproliferative disorders in a routine laboratory of haematology as recommended by a team of experienced laboratory supervisors in Belgium, taking into account the specific organisation of healthcare in Belgium, the innovations in the field of molecular analyses and related reimbursement. The starting point was essentially based upon clinical and/or haematological indications and it is emphasized that conclusions should be drawn in close dialogue with the clinician and experts in cytogenetics and histopathology. Reports made in the laboratory should be based upon an integration of cytomorphological, immunophenotypical and molecular data. These guidelines are not intended to be used as universal 'diagnostic pathways', but should be useful in developing local diagnostic pathways. It is well understood that this consensus, being valid anno 2009, may rapidly change with new technologies being introduced and new targets discovered. [less ▲]

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See detailMicrowave-Assisted Ruthenium-Catalyzed Reactions
Nicks, Francois ULg; Borguet, Yannick ULg; Delfosse, Sebastien et al

in Australian Journal of Chemistry (2009), 62(3), 184-207

Since the first reports on the use of microwave irradiation to accelerate organic chemical transformations, a plethora of papers has been published in this field. In most examples, microwave heating has ... [more ▼]

Since the first reports on the use of microwave irradiation to accelerate organic chemical transformations, a plethora of papers has been published in this field. In most examples, microwave heating has been shown to dramatically reduce reaction times, increase product yields, and enhance product purity by reducing unwanted side reactions compared with conventional heating methods. The present contribution aims at illustrating the advantages of this technology in homogeneous catalysis by ruthenium complexes and, when data are available, at comparing microwave-heated and conventionally heated experiments. Selected examples refer to olefin metathesis, isomerization reactions, 1,3-dipolar cycloadditions, atom transfer radical reactions, transfer hydrogenation reactions, and H/D exchange reactions. [less ▲]

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See detailLes corrélats neuronaux de l’acquisition et de la consolidation en mémoire dans la maladie d’Alzheimer et le trouble de mémoire isolé
Genon, Sarah ULg; Collette, Fabienne ULg; Moulin, Christopher et al

in Revue Neurologique (2009), 165

Introduction : Un déficit en mémoire épisodique est caractéristique dans la maladie d’Alzheimer (AD) et chez les patients âgés présentant une altération cognitive légère (MCI). Cette altération peut ... [more ▼]

Introduction : Un déficit en mémoire épisodique est caractéristique dans la maladie d’Alzheimer (AD) et chez les patients âgés présentant une altération cognitive légère (MCI). Cette altération peut s’expliquer par un déficit d’acquisition et/ou un déficit de consolidation. Toutefois, les modifications cérébrales responsables de ces déficits ne sont pas encore parfaitement élucidées. L’objectif de notre étude était de mettre en relation le profil d’apprentissage déficitaire de ces patients avec leur métabolisme cérébral au repos. Méthode : L’épreuve du California Verbal Learning Test (CVLT) a été administrée à 51 patients AD, 18 patients MCI qui sont restés stables (suivi longitudinal de 18 mois, MCI-S), 16 patients MCI qui ont développé la maladie d’Alzheimer (MCI-C) durant les 18 mois de suivi et 12 participants de contrôle. La mesure d’acquisition est la proportion moyenne de gain à travers les 5 essais d’apprentissage du CVLT. La mesure de consolidation est la proportion totale de pertes à travers ces 5 essais. La mesure du métabolisme cérébral au repos a été effectuée en tomographie par émission de positions (18FDG-TEP). Les mesures de corrélation cognitivo-métabolique ont été réalisées au moyen du logiciel SPM8 (p non-corrigé avec hypothèse a priori <0.001). Résultats : Les groupes AD et MCI-C ont un gain moyen moindre que les groupes MCI-S et contrôles. L’ampleur du gain inter-essais est positivement corrélée à l’activité métabolique au niveau de l’hippocampe postérieur chez les patients AD, à l’activité pariétale inférieure chez les patients MCI-S, et à l’activité frontale postérieure dans le groupe contrôle. Par ailleurs, le groupe AD présente plus de pertes inter-essais que les trois autres groupes. Toutefois, aucune corrélation significative n’apparait entre le total des pertes inter-essais et le métabolisme cérébral. Discussion : Ces données suggèrent que les patients AD, même à un stade très précoce (MCI-C) présentent un déficit d’acquisition de l’information. Ce déficit pourrait être sous-tendu par des perturbations métaboliques dans les réseaux d’apprentissage fronto-pariétaux et hippocampique. Il existe de plus un déficit de consolidation inter-essais spécifique aux patients AD mais ce déficit n’est corrélé à aucune région cérébrale au seuil statistique utilisé. [less ▲]

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