References of "2010"
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See detailContribution théorique et numérique a la modélisation des écoulements mixtes diphasiques hautement transitoires
Kerger, François ULg; Archambeau, Pierre ULg; Dewals, Benjamin ULg et al

in Proc. Int. Conf. SimHydro 2010: Hydraulic modeling and uncertainty (2010)

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See detailTechnisch rapport TR3 MP0.4 - Case study industriegebouw
Pyl, Lincy; Lansival, Jean-Baptiste; Hanus, François ULg

Report (2010)

Ce rapport décrit le calcul de la résistance au feu d'un hall industriel sous feu naturel et contient trois parties : l'évaluation de la distribution de température dans le compartiment, l'échauffement de ... [more ▼]

Ce rapport décrit le calcul de la résistance au feu d'un hall industriel sous feu naturel et contient trois parties : l'évaluation de la distribution de température dans le compartiment, l'échauffement de la structure et sa stabilité. [less ▲]

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See detailReliable hydraulic numerical modeling with multiblock grids and linked models
Erpicum, Sébastien ULg; Archambeau, Pierre ULg; Dewals, Benjamin ULg et al

in Proc. Int. Conf. SimHydro 2010: Hydraulic modeling and uncertainty (2010)

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See detailEupen-Malmedy
Brüll, Christoph ULg

in Gruner, Wolf (Ed.) Das "Großdeutsche Reich" und die Juden. Nationalsozialistische Verfolgungspolitik in den "angegliederten" Gebieten (2010)

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See detailDe la norme en classe de français : une problématique soumise aux effets des représentations ?
El Karouni, Salima; Lucchini, Silvia ULg

in Dialogues et Cultures (2010), III(55), 1387-1396

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See detailAllosteric block of KCa2 channels by apamin
Lamy, Cédric ULg; Goodchild, Samuel J; Weatherall, Kate L et al

in Journal of Biological Chemistry (2010)

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See detailHabitability from stars to cells
Javaux, Emmanuelle ULg; Dehant, Véronique

in Astronomy and Astrophysics Review (2010), 18(DOI: 10.1007/s00159-010-0030-4), 1-34

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See detailMathémagie et au-delà
Rigo, Michel ULg

Learning material (2010)

Nous présentons ici 5 tours de magie ne nécessitant aucune habileté particulière de la part de l'apprenti magicien : des tours de cartes, des tours de divination et le célèbre tour du ``barman aveugle ... [more ▼]

Nous présentons ici 5 tours de magie ne nécessitant aucune habileté particulière de la part de l'apprenti magicien : des tours de cartes, des tours de divination et le célèbre tour du ``barman aveugle avec des gants de boxe''. Contrairement au magicien qui ne dévoile jamais ses secrets, ici, nous expliquons que ces tours reposent sur diverses propriétés et constructions mathématiques. Ces dernières débouchent sur de véritables questions de recherche actuelle en théorie des graphes ou en combinatoire des mots et même sur de possibles applications en robotique et automatisation ! Il y en aura donc pour tous les goûts... et tous les niveaux (suivant l'auditoire, l'exposé sera adapté au niveau des élèves de la 4ième à la 6ième secondaire, voire même aux étudiants universitaires). Ce texte présente donc un matériel qui dépassera souvent (et de loin) le ``spectacle''. [less ▲]

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See detailStrontium ranelate: a new era in the management of osteoporosis
Reginster, Jean-Yves ULg

in Chinese Journal of Osteoporosis (2010)

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See detailAnalysis of the Gas Holdup Evolution in a Circulating Jet-Loop Nitrifying MBR
Kouakou, Edouard; Marchot, Pierre ULg; Crine, Michel ULg

in International Journal of Chemical Reactor Engineering (2010), 8(1),

This paper presents an analysis of the gas holdup evolution in a novel type of jet-loop membrane bioreactor (JLMBR), designed for nitrogen removal through the nitrite route application. Its configuration ... [more ▼]

This paper presents an analysis of the gas holdup evolution in a novel type of jet-loop membrane bioreactor (JLMBR), designed for nitrogen removal through the nitrite route application. Its configuration is inspired from airlift systems. It consists of a 60-l reactor made of an internal airlift system coupled to an external liquid recirculation loop. Hollow fiber membranes are submerged in the riser compartment. The process was intermittently fed with a synthetic ammonia solution and the gas holdup evolution was monitored for 500 to 600 days. Experiments were performed using flowrates ranging from 0.4 to 1.03 Nm3/h, and from 0 to 0.6 m3/h for air and water, respectively. This corresponded to superficial velocities from 0.004 to 0.03 m.s􀀀1 for air and 0 to 0.011 m.s􀀀1 for water. The gas holdup g was directly measured by the volume expansion method, using a tubular level meter located on the plant. The reported results showed that, in the absence of microorganisms, g ranged between 0.5 and 5.5% for the investigated range of gas liquid superficial velocities, whilst increasing from 0.5 to 4.8% only in the presence of gas (no liquid recirculation). This double influence of the air and the liquid velocities on the gas holdup was described by a multilinear correlation. However in the presence of biosolids in the reactor, the gas holdup raised up to 6.5%, corresponding to an increase of ca. 48% (in average, with respect to data recorded on day 0). This increase in g was attributed to both a gas entrainment effect and an impact of the bioparticles recirculated into the reactor. Under experimental conditions investigated, the gas holdup increased linearly with the air and the liquid velocities, what corresponded to the bubbly flow regime in the system. This showed that, according to investigated conditions, the impact of circulated biomass was not enough to change the bubble gas flow regime. [less ▲]

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See detailAngiopoietin/Tie2 signaling transforms capillaries into venules primed for leukocyte trafficking in airway inflammation.
Fuxe, Jonas; Lashnits, Erin; O'Brien, Shaun et al

in American Journal of Pathology (2010), 176(4), 2009-18

Vascular endothelial growth factor (VEGF) is a key angiogenic factor in tumors, but less is known about what drives vascular remodeling in inflammation, where plasma leakage and leukocyte influx are ... [more ▼]

Vascular endothelial growth factor (VEGF) is a key angiogenic factor in tumors, but less is known about what drives vascular remodeling in inflammation, where plasma leakage and leukocyte influx are prominent features. In chronic airway inflammation in mice infected by the bacterium Mycoplasma pulmonis (M. pulmonis), the segment of the microvasculature that supports leukocyte adhesion and migration expands through remodeling of capillaries into vessels with features of venules. Here, we report that the angiopoietin/Tie2 pathway is an essential driving force for capillary remodeling into venules in M. pulmonis-infected mouse airways. Similar to M. pulmonis infection, systemic overexpression of angiopoietin-1 (Ang1) resulted in remodeling of airway capillaries into venular-like vessels that expressed venous markers like P-selectin, ICAM-1, and EphB4 and were sites of leukocyte adhesion during lipopolysaccharide-induced acute inflammation. Ang1 and Ang2 protein increased in M. pulmonis-infected mouse airways but came from different cellular sources: Ang1 was expressed in infiltrating neutrophils and Ang2 in endothelial cells. Indeed, systemic administration of soluble Tie2 inhibited capillary remodeling, induction of venous markers, and leukocyte influx in M. pulmonis-infected mouse airways. Together, these findings suggest that blockade of the Ang/Tie2 pathway may represent a therapeutic approach in airway inflammation. [less ▲]

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See detailIntroduction a l'analyse spectrale des reseaux microvasculaires du melanome cutane primitif.
Quatresooz, Pascale ULg; PIERARD, Gérald ULg; FRANCHIMONT, Claudine ULg et al

in Pathologie Biologie (2010)

Cutaneous malignant melanoma represents one of the most dramatic skin cancers because its incidence is steadily growing in White populations. Of note, its metastatic risk and mortality dramatically ... [more ▼]

Cutaneous malignant melanoma represents one of the most dramatic skin cancers because its incidence is steadily growing in White populations. Of note, its metastatic risk and mortality dramatically increase when the primary neoplasm reaches about one millimeter thick. It is believed that angiogenesis and lymphangiogenesis associated with cutaneous melanoma potentially influence the neoplastic progression of the primary tumor and its metastases. In some instances, both the intratumoral and peritumoral microvasculature are correlated to booming of the tumoral growth fraction. In addition, the vascular network serves as a migration path for the intravascular and perivascular neoplastic spread. Hence, the quantification of the microvasculature might help establishing a prognostic factor of evolution. Among the available methods, spectral analysis of immunohistochemical sections highlighting vessels helps defining the microvasculature distribution. The benefit of using spectral analysis is discussed and the modalities of application of this analytical method are scrutinized. [less ▲]

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See detailIsotope coded protein label quantification of serum proteins--comparison with the label-free LC-MS and validation using the MRM approach.
Turtoi, Andrei ULg; Mazzucchelli, Gabriel ULg; De Pauw, Edwin ULg

in Talanta (2010), 80(4), 1487-95

Protein quantification based upon mass spectrometry is gaining ground in diverse applications of biological and clinical relevance. The present article focuses on one of the most complex biological fluids ... [more ▼]

Protein quantification based upon mass spectrometry is gaining ground in diverse applications of biological and clinical relevance. The present article focuses on one of the most complex biological fluids - serum - and provides a novel ICPL based quantification protocol. The results are compared to a label-free (data independent alternate scanning) absolute quantification method. The validation is performed using MRM based protein quantification technique. Regarding the ICPL approach, serum samples used in this study were depleted of high abundant proteins, labeled with ICPL and fractionated according to their respective pI (3-5, 5-7 and 7-12). The samples were further subjected to tryptic digestion followed by treatment with the Glu-C enzyme. The peptides were analyzed on a 2D-nano-LC system using four different concentrations of salt injections (45, 75, 150 and 500 mM ammonium acetate). The LC system was connected on-line with the electrospray ion-trap mass spectrometer. For the label-free quantification the serum samples were depleted and digested with trypsin. A proteome-wide comparison was performed using highly reproducible LC and data independent alternate scanning in conjunction with a high mass accuracy orthogonal time-of-flight mass spectrometer. Selected proteins, found by both methods, were validated using the MRM approach. For this purpose non-depleted tryptically digested serum samples were analyzed by LC coupled with a triple-quadrupole MS. The relative protein quantification using ICPL and mass spectrometry allowed for the detection of approximately 200 proteins, whereas about 2/3 of those contained the ICPL label and could therefore be quantified. Label-free approach used no fractionation, less sample and was able to identify and quantify over 110 proteins. The identified proteins covered generally 3-4 orders of magnitude of protein concentration in human serum. Changes in relative abundance of eight proteins were validated using MRM. This study, for the first time, shows the ability of the relative protein quantification based upon ICPL and 2D-LC-MS/MS to quantify serum biomarkers. It provides two additional label-free approaches that could validate and bring additional value to the label-based results, offering a starting point for comprehensive proteomics studies aiming at revealing biomarkers of clinical relevance. [less ▲]

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See detailValve aortique percutanée
ERPICUM, Marie ULg; DEFRAIGNE, Jean ULg; LANCELLOTTI, Patrizio ULg et al

in Urgences & Accueil (2010), 11(40), 6-8

Transcatheter aortic valve implantation (TAVI) is increasingly performed and represents a relatively safe alternative treatment for high risk patients denied to surgical aortic valve replacement. TAVI is ... [more ▼]

Transcatheter aortic valve implantation (TAVI) is increasingly performed and represents a relatively safe alternative treatment for high risk patients denied to surgical aortic valve replacement. TAVI is performed at the University Hospital of Liege since July 2008 with the Medtronic CoreValve Revalving® system by femoral or subclavian access. This paper exposed the technique of TAVI and the nursing care required after this procedure. [less ▲]

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See detailDiversity in the sound production mechanism in Ophidiiformes
Parmentier, Eric ULg; Mann, David; Kever, Loïc ULg et al

Conference (2010)

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See detailDialogue social et changement institutionnel. Le cas de la mise en oeuvre d'une directive européenne
Orianne, Jean-François ULg

in Droit et société (2010), 75

Cet article prend pour objet la mise en œuvre, en Belgique, d’une directive européenne établissant un cadre général relatif à l’information et à la consultation des travailleurs dans la Communauté ... [more ▼]

Cet article prend pour objet la mise en œuvre, en Belgique, d’une directive européenne établissant un cadre général relatif à l’information et à la consultation des travailleurs dans la Communauté européenne : la directive 2002/14/CE. L’auteur utilise le « modèle des trois i » en sciences politiques pour analyser la mise en œuvre particulièrement laborieuse qui cristallise un processus de changement ou d’apprentissage institutionnel, perceptible en Belgique, à travers la redéfinition des principales institutions du dialogue social. [less ▲]

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See detailEuro-Thymaide - Final publishable report
Geenen, Vincent ULg

Report (2010)

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See detailComparison of the glucooligosaccharide profiles produced from maltose by two different transglucosidases from Aspergillus niger
Goffin, Dorothée ULg; Wathelet, Bernard ULg; Blecker, Christophe ULg et al

in Biotechnologie, Agronomie, Société et Environnement = Biotechnology, Agronomy, Society and Environment [=BASE] (2010)

Prebiotic isomaltooligosaccharide preparations contain α-D-glucooligosaccharides and their structure is the key factor for their prebiotic potential. The transglucosylation selectivity is known to depend ... [more ▼]

Prebiotic isomaltooligosaccharide preparations contain α-D-glucooligosaccharides and their structure is the key factor for their prebiotic potential. The transglucosylation selectivity is known to depend on the enzyme specificity and moreover, maltose and -glucooligosaccharides can actually act as both glucosyl donor and acceptor in the reaction. Thus, two commercial enzymes, a glycosyl-tranferase and an -glucosidase, were tested alone and in combination on pure maltose to study their specificities and the IMO profile obtained. The reactions were monitored using a step-forward AEC-PAD analytical method which permitted to detect and resolve new unknown IMO. Structural determination of unknown IMO was attempt using their retention times and relative abundance. As a general rule, the -glucosidase has a more expressed hydrolyzing activity leading to products containing less residual digestible -(1-4) linkages such as isomaltose, isomaltotriose, isomaltotetraose, kojibiose and nigerose while the glucosyl-transferase produces important amount of panose. Finally, the combination of the two enzymes leaded to an intermediate IMO profile. IMO syrups composition was thus proved to be dependant on the specificity of the transglucosylating enzyme so that products profiles can be designed using different enzymes and in different proportion. [less ▲]

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