References of "2012"
     in
Bookmark and Share    
See detailSmart coatings by electrografting
Jérôme, Christine ULg

Conference (2012, February 22)

Detailed reference viewed: 9 (4 ULg)
Full Text
Peer Reviewed
See detailDISSOCIATING SHORT-TERM MEMORY AND LANGUAGE IMPAIRMENT: THE IMPORTANCE OF ITEM AND SERIAL ORDER INFORMATION
Attout, Lucie ULg; VAN DER KAA, Marie-Anne ULg; GEORGE, Mercédès ULg et al

in Aphasiology (2012), 26(3-4), 355-382

BACKGROUND: Selective verbal short-term memory (STM) deficits are rare, and when they appear, they are often associated with a history of aphasia, raising doubts about the selectivity of these deficits ... [more ▼]

BACKGROUND: Selective verbal short-term memory (STM) deficits are rare, and when they appear, they are often associated with a history of aphasia, raising doubts about the selectivity of these deficits. Recent models of STM consider that STM for item information depends upon activation of the language system, and hence item STM deficits should be associated with language impairment. By contrast, STM for order information is considered to recruit a specific system, distinct from the language system: this system could be impaired in patients with language-independent STM deficits. AIM: We demonstrate here the power of the item-order distinction to separate STM and language impairments in two brain damaged cases with STM impairment and a history of aphasia. METHODS & PROCEDURES: Recognition and recall STM tasks, maximizing STM for either item or order information were administered to patients MB and CG. OUTCOMES & RESULTS: Patient MB showed mild phonological impairment. As predicted, associated STM deficits were characterized by poor item STM but preserved order STM. On the other hand, patient CG showed no residual language deficits. His STM deficit was characterized by poor order STM but perfectly preserved item STM. CONCLUSIONS: This study presents the first double dissociation between item and order STM deficits, and demonstrates the necessity of this distinction for understanding and assessing STM impairment in patients with and without aphasia. [less ▲]

Detailed reference viewed: 299 (30 ULg)
Full Text
See detailTechnology Assessment
Van Oudheusden, Michiel ULg

Scientific conference (2012, February 21)

Detailed reference viewed: 6 (0 ULg)
Full Text
See detailFamilles monoparentales, familles recomposées: parcours, défis et perspectives
Bullens, Quentin ULg

Conference given outside the academic context (2012)

Résumé de la conférence : «Elle n’est pas donnée à tout le monde la chance de s’aimer pour la vie, 10 ans 10 mois 10 secondes et nous voici, à plonger dans les eaux troubles de mes souvenirs lointains, si ... [more ▼]

Résumé de la conférence : «Elle n’est pas donnée à tout le monde la chance de s’aimer pour la vie, 10 ans 10 mois 10 secondes et nous voici, à plonger dans les eaux troubles de mes souvenirs lointains, si quelquefois je vois double c’est que l’enfance me revient...» Julien Clerc. Contrairement à certaines idées reçues, les familles monoparentales et recomposées ont toujours existé, mais l’évolution historique qui les concerne fait qu’à l’heure actuelle, elles sont plus fréquemment issues d’un choix, subi ou agi, que d’un décès. De la sorte, les familles monoparentales et recomposées connaissent toute une série de défis que nous tenterons d’identifier, tant pour les parents que pour les enfants. Ces défis ne concernent cependant pas que les familles, la société au sens large doit également en relever, tout comme le domaine psy, qui doit penser de nouveaux modèles de prise en charge, pour des familles dites nouvelles. Qu’est-ce que c’est une famille monoparentale ou recomposée? Est-ce encore une famille d’ailleurs? Que se passe-t-il quand la famille devient les familles? Quel est le chemin à parcourir, et celui qu’on oublie? Quel regard la recherche porte sur elles, quels apports peut-elle leur offrir? Avec quelles dérives? Et cette double vie dont parle Julien Clerc, peut-elle se combiner à une seule et même existence, bienveillante et surtout, heureuse? [less ▲]

Detailed reference viewed: 109 (9 ULg)
See detailA Science and Technology Studies Approach of (Nuclear) Technology Assessment
Delvenne, Pierre ULg

Scientific conference (2012, February 21)

Detailed reference viewed: 14 (1 ULg)
Full Text
See detailSupervised learning to tune simulated annealing for in silico protein structure prediction
Marcos Alvarez, Alejandro ULg

Poster (2012, February 21)

Simulated annealing is a widely used stochastic optimization algorithm whose efficiency essentially depends on the proposal distribution used to generate the next search state at each step. We propose to ... [more ▼]

Simulated annealing is a widely used stochastic optimization algorithm whose efficiency essentially depends on the proposal distribution used to generate the next search state at each step. We propose to adapt this distribution to a family of parametric optimization problems by using supervised machine learning on a sample of search states derived from a set of typical runs of the algorithm over this family. We apply this idea in the context of in silico protein structure prediction. [less ▲]

Detailed reference viewed: 71 (26 ULg)
Full Text
See detailELEMENTS DE MACHINES II
Debongnie, Jean-François ULg

Learning material (2012)

Conception et calcul des vis et écrous (mouvements et assemblages), liaisons arbre-moyeux, paliers lisses.

Detailed reference viewed: 1164 (29 ULg)
See detailDésolé, vol annulé !
Delcourt, Cécile ULg

Article for general public (2012)

Detailed reference viewed: 11 (3 ULg)
Full Text
See detailIngénierie génétique d'une β2-intégrine LFA-1 bovine résistante à la leucotoxine de Mannheimia haemolytica
Fett, Thomas ULg

Doctoral thesis (2012)

Domesticated bovines are known since decades to be prone to bacterial pneumonias. Among the causative agents, a consensus emerged stating that Mannheimia haemolytica is the most frequent bacterium ... [more ▼]

Domesticated bovines are known since decades to be prone to bacterial pneumonias. Among the causative agents, a consensus emerged stating that Mannheimia haemolytica is the most frequent bacterium isolated from bovine lungs throughout the world. Moreover, it appeared that its virulence specifically targets ruminant lungs in vivo and ruminant leucocytes in vitro. When the thesis was started, the two main actors underlying this species-specific virulence were known: the leukotoxin (LKT) on the pathogen side and the beta2-integrin LFA-1 on the host side. The objective of the thesis was to contribute to the understanding of the LKT/LFA 1 interaction at the molecular level. Using a between-species perspective, we showed that (i) the CD11a subunit of the LFA-1 heterodimer was not involved in the LKT-specificity for ruminant LFA-1, (ii) the EGF-3 module within the CD18 controls the susceptibility of any given CD18 to LKT and (iii) a non cleavable signal peptide conjugated to a LKT susceptible EGF-3-containing CD18 exacerbates LKT pronecrotic effects. [less ▲]

Detailed reference viewed: 89 (18 ULg)
Full Text
See detailAspects épidémiologiques liés à l’émergence du virus Schmallenberg
Saegerman, Claude ULg

Scientific conference (2012, February 17)

Detailed reference viewed: 43 (7 ULg)
Full Text
See detailCONTROVERSES SUR LA CONFIGURATION DES TERRITOIRES INDIGÈNES ET DES AIRES PROTÉGÉES
Escobar Jimenez, Kelly ULg

Learning material (2012)

Le document explique quel est le rôle des objets intermédiaires dans la construction de frontières en Amazonie équatorienne. Les dispositifs et instruments mobilisés dans la gestion de ces territoires ... [more ▼]

Le document explique quel est le rôle des objets intermédiaires dans la construction de frontières en Amazonie équatorienne. Les dispositifs et instruments mobilisés dans la gestion de ces territoires stabilisent ou rendent controversé la configuration des limites territoriales. [less ▲]

Detailed reference viewed: 16 (2 ULg)
Full Text
See detailContribution à l'étude des propriétés tensioactives et membranaires d'esters dérivés de la glycine bétaïne
Nsimba Zakanda, Francis ULg

Doctoral thesis (2012)

The objective of this doctoral research is to contribute to the study of surface active and membrane properties of esters derived from glycine betaine. In this context, esters of glycine betaine ... [more ▼]

The objective of this doctoral research is to contribute to the study of surface active and membrane properties of esters derived from glycine betaine. In this context, esters of glycine betaine (alkylbétaïnate chlorides: CnBC, n = 10-16) were obtained using a new synthetic methodology. Glycine betaine (activated by thionyl chloride) and the primary fatty alcohols were used as basic raw materials for the chemical synthesis of CnBC. Some parameters to optimize the synthesis were studied, such as the nature of the organic solvent, the temperature, the molar ratio of reactants and the concentration of the latter in the reaction medium. Next, the surface active and membrane properties of CnBC were characterized using several instrumental techniques such as Langmuir film balance, isothermal titration calorimetry, fluorescence spectrometry and zeta potential and particle size measurements. Hexadécylbétaïnate chloride (C16BC) was synthesized with better performance under the following conditions: absence of a catalyst/base, a solvent of medium polarity (2-methyl-2-butanol), a temperature of 45°C, a molar ratio of betainyl chloride/1-hexadecanol of 3/1 and a concentration of reactants of 0.132 mol/L. Decylbetainate chloride (C10BC) dodecylbetainate chloride (C12BC) and tetradecylbetainate chloride (C14BC) were obtained using the optimal conditions for the synthesis of C16BC. Concerning the interfacial organization of CnBC, C10BC and C12BC did not form insoluble monolayers at the air-water at 20°C compared to their counterparts, C14BC and C16BC. The study of the monolayer of C16BC in various conditions of the aqueous subphase showed that the pH and monovalent anions (OHˉ, Brˉ, NO3ˉ, ClO4ˉ) did not influence the behavior of the monolayer compared to that in water with Clˉ as counterion while the temperature beyond 25°C, the divalent anions (HPO42-, SO42-) and the ionic strength of sodium sulfate (Na2SO4) affected it in term of interfacial area occupation of the molecules. Interactions between CnBC and model membranes have shown that in water, CnBC, regardless of the length of the alkyl chain, have highly penetreted into the negatively charged lipid monolayers (dipalmitoylphosphatidylserine and dipalmitoylphosphatidic acid), whereas their penetration was average and low into monolayers formed by lipids with small polar head (dipalmitoylphosphatidylethanolamine and cholesterol, CHOL) and lipid with large polar head (palmitoyloleoylphosphatidylcholine, POPC), respectively. In salted buffer, the adsorption of C16BC at the air-water interface and onto the surfaces of the lipid monolayers was instantaneous, and in all cases, the penetrating power was above the presumed pressure of biological membranes. C16BC formed miscible and stable mixtures with POPC and sphingomyelin while an almost ideal behavior was observed for its mixtures with CHOL. An affinity of C16BC for the membrane bilayer containing CHOL was also observed. The adsorption of CnBC onto the surfaces of bilayers was alkyl chain-dependent. C10BC, C14BC and C16BC did not significantly perturbed membranes even at high surfactant concnetrations compared to C12BC that has highly perturbed membranes without solubilizing them. In all cases, particles of positive charge and larger than those of membrane bilayers prepared were formed in the presence of high amounts of CnBC. [less ▲]

Detailed reference viewed: 105 (7 ULg)
See detailComment organiser une armée à la fin du Moyen Âge ? La réponse bourguignonne
Masson, Christophe ULg

Conference given outside the academic context (2012)

Detailed reference viewed: 6 (1 ULg)
Full Text
See detailChimie et Science des Matériaux à l'Université de Liège
Léonard, Grégoire ULg

Conference given outside the academic context (2012)

Présentation du métier d'ingénieur en chimie et science des matériaux à des étudiants de secondaire.

Detailed reference viewed: 8 (1 ULg)
See detailP.ParisBnF inv. Suppl. gr. 1385. Un nouveau papyrus homérique
Carlig, Nathan ULg

Scientific conference (2012, February 17)

Description, édition, identification et commentaire du P.ParisBnF inv. Suppl. gr. 1385 (inédit), conservé à la Bibliothèque nationale de France et contenant un passage de l'Iliade d'Homère, réunion avec ... [more ▼]

Description, édition, identification et commentaire du P.ParisBnF inv. Suppl. gr. 1385 (inédit), conservé à la Bibliothèque nationale de France et contenant un passage de l'Iliade d'Homère, réunion avec un autre fragment de papyrus provenant de la même entité bibliologique et présentation des outils de la papyrologie littéraire, notamment informatiques (Base de données Mertens-Pack³ et Leuven Database of Ancient Books). [less ▲]

Detailed reference viewed: 23 (6 ULg)
See detailQuand un revenu est-il imposable?
Bourgeois, Marc ULg; Herve, Luc ULg

Scientific conference (2012, February 16)

Detailed reference viewed: 31 (5 ULg)