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See detailTopos de Grothendieck et fonctions holomorphes tempérées
Dubussy, Christophe ULiege

Conference (2016, October 24)

Dans les années 60, Grothendieck révolutionna la géométrie algébrique en introduisant le concept de topos. Faisant face à des situations où la notion d'ouvert était trop restrictive pour comprendre les ... [more ▼]

Dans les années 60, Grothendieck révolutionna la géométrie algébrique en introduisant le concept de topos. Faisant face à des situations où la notion d'ouvert était trop restrictive pour comprendre les phénomènes géométriques sous-jacents, il définit une nouvelle notion de topologie dans le langage de la théorie des catégories. Très utilisée pour résoudre des problèmes de géométrie et d'analyse contemporains, cette notion a aussi de nombreuses applications surprenantes en logique (théorie intuitionniste, équivalence de Morita, etc ...). Dans ce séminaire je proposerai une application de la théorie des topos de Grothendieck pour étudier les fonctions et les distributions tempérées. En effet, ces objets ne forment un faisceau que sur une topologie de Grothendieck particulière (la topologie sous-analytique), qui n'est pas une topologie au sens usuel du terme. Je montrerai alors, de manière abstraite, comment définir un faisceau de fonctions holomorphes tempérées qui a joué un rôle crucial dans la démonstration de la correspondance de Riemann-Hilbert (généralisation du 21ème problème d'Hilbert). En particulier, ce nouveau faisceau fournira une nouvelle définition, presque purement algébrique, des distributions de Schwartz. [less ▲]

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See detailThe recent increase of methane from 10 years of NDACC ground-based FTIR observations
Bader, Whitney ULiege

Conference (2016, October 24)

Detailed reference viewed: 28 (3 ULiège)
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See detailLa pubalgie - Rééducation post-chirurgicale
Delvaux, François ULiege; DANIEL, Christophe ULiege; NAMUROIS, Marie-Hélène ULiege et al

Conference (2016, October 22)

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See detailModéliser pour comprendre les phénomènes
Karous, Hamad ULiege; Nihant, Brigitte ULiege; Leyh, Bernard ULiege

Conference (2016, October 22)

Il existe actuellement un consensus sur le fait que les scientifiques ne décrivent pas la réalité telle qu’elle est dans toute sa complexité mais qu’ils en construisent des représentations qui leur ... [more ▼]

Il existe actuellement un consensus sur le fait que les scientifiques ne décrivent pas la réalité telle qu’elle est dans toute sa complexité mais qu’ils en construisent des représentations qui leur permettent de l’expliquer partiellement et de la maîtriser, partiellement également. De telles représentations sont généralement appelées des modèles et le processus de leur construction est la modélisation. Les référentiels et programmes de sciences insistent de plus en plus, dans un souci d’authenticité épistémologique, sur la nécessité de confronter les élèves aux modèles établis et à leur élaboration, afin qu’ils se constituent une vision aussi fidèle que possible de l’entreprise scientifique. Le concept de modèle possède des composantes multiples et il n’est pas aisé d’en donner une définition compacte, complète et définitive. On pourrait tenter de dire, en bref, que modéliser, c’est simplifier délibérément pour pouvoir expliquer et agir efficacement. On peut envisager différents types de modèles qui ne s’excluent pas mutuellement. On les rencontrera dans les différentes activités expérimentales que nous proposons. (i) On peut tout d’abord modéliser une situation expérimentale complexe (une pile commerciale ou un accumulateur, par exemple) par une autre situation apparentée mais plus simple et dont on contrôle mieux les paramètres, afin de mettre leur influence en lumière. Diverses expériences sur les piles (de Daniell, entre autres) illustrent cet aspect. Les expériences proposées sur la diffusion entrent également dans cette catégorie. (ii) En chimie, le principe explicatif fondamental consiste à fonder les observations macroscopiques sur des processus décrits au niveau sub-microscopique (atomes, molécules, ions, électrons). Cette représentation sub-microscopique peut être schématique et/ou symbolique. Pour plusieurs des expériences proposées, on demande de représenter schématiquement les mouvements des particules concernées. On demande aussi de traduire le phénomène en un langage symbolique, l’écriture de la réaction chimique. Ici aussi, il s’agit d’une modélisation : quand on écrit HCl(aq), par exemple, on remplace une situation complexe et relativement mal définie – des ions H3O+ et des ions Cl- hydratés avec éventuellement plusieurs couches d’hydratation – par une écriture compacte qui représente de manière conventionnelle l’essentiel de l’information dont on a besoin dans un but déterminé (un titrage, par exemple). [less ▲]

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See detailConclusions
Dozo, Björn-Olav ULiege; Philippette, Thibault; Servais, Olivier

Conference (2016, October 22)

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See detailLung resident eosinophils represent a distinct cell subset with homeostatic functions
Mesnil, Claire ULiege; Raulier, Stéfanie ULiege; Paulissen, Geneviève et al

Conference (2016, October 21)

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See detailLa sécurité sociale face au droit européen de la concurrence
Detienne, Quentin ULiege

Conference (2016, October 21)

Detailed reference viewed: 18 (2 ULiège)
See detailHighly productive, yet heterotrophic, and still pumping CO2 from the atmosphere: A land fast ice paradigm?
Delille, Bruno ULiege; Van der Linden, Fanny ULiege; Conte, L et al

Conference (2016, October 21)

The YROSIAE (Year Round survey of Ocean-Sea Ice-Air Exchanges) survey aimed to carry out a year-round survey of land-fast sea ice focusing on the study of sea ice physics and biogeochemistry. Ice cores ... [more ▼]

The YROSIAE (Year Round survey of Ocean-Sea Ice-Air Exchanges) survey aimed to carry out a year-round survey of land-fast sea ice focusing on the study of sea ice physics and biogeochemistry. Ice cores, sea water, brines material were collected at regular intervals about 1 km off cape Evans in McMurdo Sound, Antarctica, from November 2011 to December 2011 and from September 2012 to December 2012. Samples were processed to characterize both the vertical distribution and temporal changes of climate gases (CO2, DMS, CH4, N2O), CO2-related parameters (ice-air CO2 fluxes, dissolved inorganic carbon, total alkalinity and CaCO3 amount), physical parameters (salinity, temperature, and ice texture), biogeochemical parameters (macro-nutrients, particulate and dissolved organic carbon, δ13C, δ30Si and δ15N) and biological parameters (chlorophyll a, primary production within sea ice derived from O2:Ar and O2:N ratios…). Very high chlorophyll a abundance was observed at the bottom of the ice, a common feature of land fast ice in McMurdo Sound. During spring, chlorophyll a exhibited a significant increase suggesting high primary production. . However, at the same time, nutrients at the bottom of the ice increased significantly suggesting high remineralization and heterotrophy. In the middle of the ice column, evolution of dissolved inorganic carbon shown a succession of autotrophic and heterotrophic phases. However, the overall increase of DIC suggests that the ice interior was rather heterotroph. This was consistent with the increase in nutrients observed at the bottom of the ice. Such sea ice system should expel CO2. Yet, strong under saturation in CO2 in surface ice, and negative air-ice CO2 fluxes suggested that sea ice was taking up CO2 from the atmosphere. Meanwhile, measurements of N2O within the sea ice suggest that the ice was releasing N2O to the atmosphere as a result of high nitrification. On the whole land fast sea ice in McMurdo Sound appears as a puzzling ecosystem. It is able to support elevated growth of autotrophic organisms, but appears to be heterotrophic, yet pumping CO2 to the atmosphere but releasing other greenhouse gases. [less ▲]

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See detailLa mise en scène du télétravail : le contrôle managérial au cœur d’un paradoxe entre hypervisibilité et invisibilité
Fox, Fanny ULiege; Pichault, François ULiege

Conference (2016, October 21)

Le présent article s’intéresse à la reconfiguration du contrôle managérial face à une des évolutions actuelles des formes de travail, à savoir le travail à distance. Après avoir circonscrit ce concept et ... [more ▼]

Le présent article s’intéresse à la reconfiguration du contrôle managérial face à une des évolutions actuelles des formes de travail, à savoir le travail à distance. Après avoir circonscrit ce concept et à partir d’une étude empirique menée au sein d’un groupe international du secteur des télécommunications, cette thématique particulière est abordée à l’aune de la sociologie de Goffman. Cette dernière s’avère singulièrement riche pour appréhender les changements, y compris digitaux, qui prennent place à l’heure actuelle dans les organisations. L’apport goffmanien est double : le propos de l’auteur constitue, d’une part, les bases de la méthodologie ethnographique de recueil des données élaborée et, d’autre part, l’éclairage théorique choisi pour discuter les résultats empiriques. Il apparaît ainsi que le contrôle managérial du travail à distance donne naissance à des situations paradoxales au sein desquelles s’opposent l’invisibilité engendrée par l’absence intra muros et l’hypervisibilité mise en place lorsque les personnes sont présentes dans les établissements physiques de l’entreprise, d’une part, et à travers les outils technologiques, d’autre part. La recommandation classique de la littérature prônant le passage à une direction par objectifs s’avère insuffisante pour répondre à l’enjeu du contrôle managérial. Les conclusions de cette recherche suggèrent davantage une hybridation réfléchie des modes de contrôle articulés autour d’une relation de confiance. [less ▲]

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See detailLa quête d’Isis ou la confirmation de Dieu : l’interpretatio Kircheriana
Winand, Jean ULiege

Conference (2016, October 21)

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See detailThe genesis of a negative agentive nominalizer. The journey of jwtj between Old Egyptian and Coptic
Grossman, Eitan; Polis, Stéphane ULiege

Conference (2016, October 21)

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See detailHamlet revisité
Delville, Michel ULiege

Conference (2016, October 21)

Detailed reference viewed: 10 (0 ULiège)
See detailSea ice: Source or sink of nitrous oxide?
Kotovitch, Marie ULiege; Fripiat, François ULiege; Moreau, Sebastien et al

Conference (2016, October 21)

Detailed reference viewed: 32 (6 ULiège)
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See detailMallarmé et le “motif commun”
Durand, Pascal ULiege

Conference (2016, October 21)

Detailed reference viewed: 23 (1 ULiège)
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See detailLa pubalgie du sportif - Actualités thérapeutiques conservatrices
Kaux, Jean-François ULiege

Conference (2016, October 21)

Detailed reference viewed: 44 (4 ULiège)
See detailA time series study during spring transition in the fast ice at Davis station, Antarctica: preliminary resul
Deman, F.; Roukaerts, A.; Delille, Bruno ULiege et al

Conference (2016, October 21)

While representing less than 5% of the total ice cover around Antarctica, fast ice is nevertheless an important habitat with highest biomass and production occurring in the bottom (Archer et al., 1996 ... [more ▼]

While representing less than 5% of the total ice cover around Antarctica, fast ice is nevertheless an important habitat with highest biomass and production occurring in the bottom (Archer et al., 1996). Sea--‐ice algae are playing a key role in structuring the ecosystem, as they are an essential food source for krill. With the annual melting of the sea ice there is a strong release of nutrients and algae to the water, possibly fertilizing and/or seeding algae the underlying water column. A time series was sampled during the Austral spring of 2015 (Oct. 27th – Dec. 11th), in the vicinity of Davis station (68°35’ S, 77°58’ E, Prydz Bay, Antarctica). Fast ice, snow cover and underlying water column were sampled with focus on the nitrogen and carbon cycle and the pivotal role of sea--‐ice algae for higher tropic levels. Different parameters such as nutrients, particulate matter (PM) and isotopic signatures for nitrate, ammonium and PM will be measured. Primary production and uptake rates for different nitrogen substrates were also measured using in--‐situ stable isotope incubation experiments to study the change in algae growth rates. That campaign was performed in close relation with colleagues from the Institute of Marine and Antarctic Studies (Hobart, Australia) to link our findings with the availability of trace metals such as iron. Temperature profiles in the ice showed a clear change halfway the sampling campaign with increasing temperatures, likely accompanied by an increase in permeability throughout the ice. Results show a large accumulation of biomass in the bottom few 5 cm (particulate organic carbon reaching up to 1300 μmol l‐1). Preliminary data also shows a large accumulation of nitrate at the bottom with concentrations exceeding those in the underlying water. Preliminary results will be presented and discussed. [less ▲]

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See detailGaseous Micro-Emboli Removal during priming procedure using pulsatile flow with 4 different adult oxygenators with integrated arterial filter and open reservoir.
HELLA, Dominique ULiege

Conference (2016, October 21)

4 oxygenators were tested during priming procedures with pulsatile flow. 2 showed better results.A prospective and randomized study begon in June 2016, including 200 patients. We hope with the same ... [more ▼]

4 oxygenators were tested during priming procedures with pulsatile flow. 2 showed better results.A prospective and randomized study begon in June 2016, including 200 patients. We hope with the same comparison to show interesting results. 4 oxygénateurs adultes testés durant la phase de priming utilisant le débit pulsé. 2 se révèlent supérieurs. Une étude prospective randomisée incluant 200 patients a démarré depuis juin 2016 afin de réaliser la même comparaison en clinique; nous espérons en extraire des résultats intéressants. [less ▲]

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See detailImplication of ADAM10 protease in malignant mesothelioma
Sepult, Christelle ULiege

Conference (2016, October 21)

Detailed reference viewed: 20 (8 ULiège)
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See detailParentalité et précarité : Le lien au cœur des pratiques et des recherches
Halin, Stéphanie; Fohn, Bruno; Glowacz, Fabienne ULiege

Conference (2016, October 20)

La parentalité est un concept difficile à définir car il s’inscrit à la fois "dans le champ social, juridique et psychologique" [1]. De nos jours, le « devenir parent » est décrit comme un processus ... [more ▼]

La parentalité est un concept difficile à définir car il s’inscrit à la fois "dans le champ social, juridique et psychologique" [1]. De nos jours, le « devenir parent » est décrit comme un processus dynamique, qui débute dès le désir d’enfant, et qui s’accompagne de remaniements psychiques importants chez les deux parents. Depuis plusieurs années, des études se sont intéressées à l’impact de la précarité sur la sphère familiale. Il est aujourd’hui reconnu que la précarité psychosociale impacte toutes les dimensions du développement de l’enfant et plusieurs dimensions de la parentalité (sensibilité parentale, disponibilité émotionnelle, pratiques éducatives, …). La précarité est définie comme « l’absence d’une ou plusieurs des sécurités, notamment celle de l’emploi, permettant aux personnes et aux familles d’assumer leurs obligations professionnelles, familiales et sociales, et de jouir de leurs droits fondamentaux » [2]. Selon Furtos, à la précarité économique s’ajoute la précarité psychosociale et, parfois, un syndrome d’auto exclusion sociale. Selon lui, « d’un côté, l’environnement est excluant, tandis que de l’autre côté le mot « auto » renvoie à la part du sujet : tout en subissant une situation d’exclusion, le sujet a la capacité d’exercer sur lui-même une activité pour s’exclure de la situation, pour ne pas la souffrir, transformant ainsi le subir en agir » [3]. Ce public est caractérisé par une problématique du lien. Entrer en relation, s’investir dans un suivi, maintenir une continuité du lien sont autant de défis pour les parents en syndrome d’autoexclusion sociale. Parvenir à les rejoindre nécessite donc de développer des structures flexibles et créatives, tant en ce qui concerne le suivi psychosocial que la recherche. Au travers de différentes recherches-action auprès de ces familles, nous avons été confrontés à la nécessité de développer un processus de recherche basée sur le lien pour accéder tant à l’évaluation de pratiques d’intervention et à l’évaluation du vécu de ces parents. Nos travaux ont montré combien le lien occupe une place centrale dans la prise en charge et dans la recherche avec des bénéficiaires en grande précarité psychosociale. Références [1] Doumont, D., & Renard, F. (2004). Parentalité: nouveau concept, nouveaux enjeux? Document publié en ligne, Université Catholique de Louvain, pp. 1-18, https://www.uclouvain.be/cps/ucl/doc/reso/documents/Dos31.pdf [2] Kettani, M., & Zaouche-Gaudron, C. (2012). Sentiment de compétence paternelle et adaptation socioaffective des enfants de deux à six ans en contexte de précarité socioéconomique. Pratiques psychologiques, 18, pp. 75–88. Doi:10.1016/j.prps.2011.02.001 [3] Furtos, J. (2011). La précarité et ses effets sur la santé mentale. Le Carnet PSY, 156 (7), pp.29-34. Doi :10.3917/lcp.156.0029 [less ▲]

Detailed reference viewed: 127 (3 ULiège)
See detailExistera-t-il encore un CPAS dans dix ans ?
Behrendt, Christian ULiege

Conference (2016, October 20)

Exposé donné dans le cadre du 8e congrès de la Fédération Wallonne des Assistants Sociaux des CPAS (FéWASC), Campus universitaire de Liège (Sart Tilman), Faculté de Droit, 20 octobre 2016.

Detailed reference viewed: 63 (2 ULiège)
Peer Reviewed
See detailThe Middle Ages: A New Age for the Reception of the Gods of Egypt
Veymiers, Richard ULiege

Conference (2016, October 20)

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See detailIntroduction
Henneau, Marie-Elisabeth ULiege

Conference (2016, October 20)

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See detailLes environnements flexibles sont-ils un terrain d'émancipation pour le travailleur? Le cas d'une entreprise publique belge.
Fauconneau-Dufresne, Sophie ULiege

Conference (2016, October 20)

Les environnements flexibles sont en vogue. Présentés dans la littérature managériale comme un terrain d'émancipation pour les travailleurs, gages d'un accroissement de leur autonomie et de leur liberté ... [more ▼]

Les environnements flexibles sont en vogue. Présentés dans la littérature managériale comme un terrain d'émancipation pour les travailleurs, gages d'un accroissement de leur autonomie et de leur liberté, ils font désormais partie intégrante des projets de modernisation. Constatant un état des lieux plus alarmiste sur cette thématique dans la littérature académique, nous mettons en question le caractère réellement émancipatoire de ce type d'espace. Par une recherche empirique, conduite dans une entreprise publique belge, nous observerons une réalité plus nuancée. Quand ils ne font pas l'objet de réformes profondes de l'organisation du travail dès le tout début du processus de changement, ce type d'agencement est susceptible de se faire au détriment des travailleurs. [less ▲]

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See detailWhat’s Avant about the Poetic Neo-Avant-Garde ?
Delville, Michel ULiege

Conference (2016, October 20)

Detailed reference viewed: 14 (1 ULiège)
See detailCritique de la compilation. Hans Magnus Enzensberger et les nouveaux médias.
Hamers, Jérémy ULiege

Conference (2016, October 19)

Detailed reference viewed: 67 (3 ULiège)
See detailEnzensberger et l'institution littéraire
Glorie, Caroline ULiege

Conference (2016, October 19)

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See detailL’identité narrative au prisme du roman contemporain : d’un nouveau rapport à la fiction dans le récit de soi
Huppe, Justine ULiege

Conference (2016, October 19)

Dans le champ intellectuel contemporain, la pensée de Paul Ricœur semble avoir pleinement intégré l’outillage conceptuel requis pour penser les identités et modes de subjectivation. Contre les conceptions ... [more ▼]

Dans le champ intellectuel contemporain, la pensée de Paul Ricœur semble avoir pleinement intégré l’outillage conceptuel requis pour penser les identités et modes de subjectivation. Contre les conceptions du texte comme espace formel autorégulé, Ricœur a décrit le récit comme un dispositif cognitif fondamental, offrant aux individus et aux collectivités des modes de subjectivation et des prises sur le monde. Cette approche constitue un bénéfice disciplinaire non- négligeable pour les sciences humaines. Cette actualité de Ricœur peut sembler paradoxale. Certes, le concept de refiguration permet de penser les effets du récit dans le monde, à une époque où la diffusion massive d’information nécessite de capter l’attention par des récits efficaces (storytelling en politique, publicité, management, infotainment). Par contre, le concept d’identité narrative ne semble pas pouvoir se justifier de la même actualité. En effet, quoi de plus opposé à nos expériences démultipliées que cette forme narrative qui devrait les ordonner dans un récit unique ? Quoi de plus hétérogène que le vécu de l’individu contemporain, sans cesse sommé de s’adapter à de nouveaux rôles et de nouveaux projets ? Dans le cadre de cette communication, notre objectif sera d’évaluer la pertinence du concept d’identité narrative pour penser les modes de subjectivation individuelle, par le prisme de plusieurs romans contemporains (Farah, Delaume, Mérot, Minard, de Toledo, Vasset). Comment le récit de vie littéraire développe-t-il des formes qui puissent répondre aux expériences fragmentaires des sujets ? Ces formes renouvellent-elles l’usage de la narration et/ou de la fiction ? [less ▲]

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See detailFaire famille aujourd'hui : expériences de personnes gays, lesbiennes et trans
Scali, Thérèse ULiege

Conference (2016, October 19)

Les multiples systèmes, formes, catégories et pratiques de la parenté ont retenu l’attention des anthropologues comme une dimension centrale des façons dont les individus et les groupes humains conçoivent ... [more ▼]

Les multiples systèmes, formes, catégories et pratiques de la parenté ont retenu l’attention des anthropologues comme une dimension centrale des façons dont les individus et les groupes humains conçoivent et vivent leurs rapports à eux-mêmes, aux autres, aux sociétés et au monde qui les entoure. Dans différents contextes et périodes historiques, des évolutions – tant démographiques, politiques, socio-culturelles, économiques, juridiques, scientifiques, médicales, ou encore relatives aux âges ou aux genres – ont contribué à sa (re)définition constante. Force est de constater que les innovations récentes concernant, entre autres, les technologies de procréation médicalement assistée et de gestation pour autrui, ou les débats autour du « mariage pour tous » et de l’adoption par des couples du même sexe, ont parfois été interprétés en termes de profondes ruptures par rapport à des conceptions plus « traditionnelles » de la parenté, ce qui leur confère un certain caractère inédit et polémique. D’un point de vue anthropologique, ces reconfigurations de la parenté témoignent de différentes modalités d’articulation entre le social, le culturel et le biologique, faits de société et faits de nature, construit et inné, dans la définition de la parenté. Cela amène à repenser la parenté dans toutes ses dimensions, du public à l’intime. Partant de l’anthropologie, et afin d’élargir le champ des réflexions empiriques, théoriques et épistémologiques, ce colloque invite à croiser les perspectives sur les (re)configurations contemporaines de la parenté dans les sciences humaines et sociales en privilégiant les approches ethnographiques. Il comprend deux axes principaux mais non exclusifs. Le premier axe entend appréhender les manières dont la question des (re)configurations contemporaines de la parenté est posée dans différents espaces publics et intimes. Le second axe ouvre quant à lui un débat épistémologique sur les regards croisés et comparatifs entre divers contextes, thématiques ou disciplines en invitant à analyser les enjeux, apports et limites issus de tels travaux de recherche. [less ▲]

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See detailAccurate drift time determination by traveling wave ion mobility spectrometry: The concept of the diffusion calibration
Kune, Christopher ULiege; Far, Johann ULiege; De Pauw, Edwin ULiege

Conference (2016, October 18)

Ion mobility spectrometry (IMS) is a gas phase separation technique which relies on differences in the collisional cross section (CCS) of ions. Ionic clouds of unresolved conformers overlapped if the CCS ... [more ▼]

Ion mobility spectrometry (IMS) is a gas phase separation technique which relies on differences in the collisional cross section (CCS) of ions. Ionic clouds of unresolved conformers overlapped if the CCS difference is below the instrumental resolution expressed as Ω/ΔΩ. The experimental arrival time distribution (ATD) peak is then a superimposition of the various contributions weighted by their relative intensities. We have developed a strategy for accurate drift time determination using traveling wave ion mobility spectrometry (TWIMS) of poorly and unresolved conformers. This method implements through a calibration procedure the link between the peak full width at half maximum (FWHM) and the drift time of model compounds for wide range of settings for wave heights and velocities. We modified a Gaussian equation which achieves the deconvolution of ATD peaks where the FWHM is fixed according to our calibration procedure. The new fitting Gaussian equation only depends on two parameters: The apex of the peak (A) and the mean drift time value (µ). The standard deviation parameter (correlated to FWHM) becomes a function of the drift time. This correlation function between µ and FWHM is obtained using the TWIMS calibration procedure which determines the maximum instrumental ion beam diffusion using ionic compounds which are detected as single conformers in the gas phase. This deconvolution process has been used to highlight the presence of poorly resolved conformers for couples of crown ethers and peptides leading to CCS determination in better agreement with quantum chemistry predictions. [less ▲]

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See detailLinking CAI abundance to polarimetric response in a population of ancient asteroids
Devogele, Maxime ULiege; Tanga, Paolo; Bendjoya, Philippe et al

Conference (2016, October 18)

Polarimetry constitutes one of the fundamental tools for characterizing the surface texture and composition of airless Solar System bodies. In 2006, polarimetric observations led to the discovery of a new ... [more ▼]

Polarimetry constitutes one of the fundamental tools for characterizing the surface texture and composition of airless Solar System bodies. In 2006, polarimetric observations led to the discovery of a new type of asteroids, which displays a peculiar polarimetric response. These asteroids are collectively known as "Barbarians", from (234) Barbara the first discovered one.The most commonly accepted explanation for this perculiar polarization response seems to be the presence of a high percentage of fluffy-type Calcium Aluminium-rich Inclusions (CAIs), whose optical properties could produce the observed polarization. Their reflectance spectra also exibit an absorption feature in the near-infrared around 2.1-2.2 microns, that is characteristic of this peculiar group.Based on these results, we organized a systematic polarimetric and near-infrared observational campaign of known Barbarians or candidate asteroids. These campaigns include members of the family of 1040 Klumpkea, 2085 Henan and 729 Watsonia, which are known to contain Barbarian and/or L-type asteroids also suspected to have such a polarimetric behaviour. We have made use of the ToPo polarimeter at the 1m telescope of the Centre pédagogique Planète et Univers (C2PU, Observatoire de la Côte d'Azur, France). The spectroscopic observations in the near-infrared were obtained with the SpeX instrument at the NASA's InfraRed Telescope Facility (IRTF).By combining polarimetry and spectroscopy we find a correlation between the abundance of CAIs and the inversion angle of the phase-polarization curve of Barbarian asteroids. This is the first time that a direct link has been established between a specific polarimetric response and the surface composition of asteroids. In addition, we find a considerable variety of CAI abundance from one object to the other, consistent with a wide range of possible albedos. Since these asteroids constitute a reservoir of primitive Solar System material, understanding their origin can shed light on the processes driving the formation and transport of the refractory minerals that first condensed in the protoplanetary disk. [less ▲]

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See detailShape, size, physical properties and nature of low-perihelion near-Earth asteroid (3200) Phaethon
Hanus, J; Delbo, M; Vokrouhlicky, D et al

Conference (2016, October 18)

We apply the convex inversion method to the new optical data obtained by six instruments together with the already existing observations and derive convex shape model of low-perihelion near-Earth asteroid ... [more ▼]

We apply the convex inversion method to the new optical data obtained by six instruments together with the already existing observations and derive convex shape model of low-perihelion near-Earth asteroid (3200) Phaethon. This shape model is then used as an input for the thermophysical modeling. We present new convex shape model and rotational state of Phaethon - sidereal rotation period of 3.603958(2) h and ecliptic coordinates of the preferred pole orientation of (319, -39) with a 5 degree uncertainty. Moreover, we derive its size (D=5.1±0.2 km), thermal inertia (Γ=600±200 J m-2s-1/2K-1), geometric visible albedo (pV=0.122±0.008), and estimate the macroscopic surface roughness by the thermophysical model. We also estimate the average size of the surface regolith to few centimeters. The Spitzer emission spectrum of Phaethon is similar to those of CV/CK carbonaceous chondrite meteorites, match with CI/CM carbonaceous chondrites is ruled out. We also study the long-term stability of Phaethon's orbit and spin axis by a numerical orbital and rotation-state integrator. We find that the Sun illumination at the perihelion passage during past thousands of years is not connected to a specific area on the surface implying non-preferential heating. Considering the most important meteor stream of the Geminids is associated with Phaethon, we predict that the meteorites dropped by Geminids are CVs or CKs. We also discuss the possible dynamical link between Phaethon and Pallas and its collisional family. [less ▲]

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See detailPharmacokinetic study of estetrol in murin model developing a whole blood microsampling, extraction procedure and an UHPLC-MS/MS method
Nys, Gwenaël ULiege; Servais, Anne-Catherine ULiege; Pequeux, Christel ULiege et al

Conference (2016, October 17)

We developed a sensitive UHPLC-MS/MS method with a simple yet efficient sample collection and preparation protocol to accurately quantify E4 in whole blood. This method was then successfully applied for ... [more ▼]

We developed a sensitive UHPLC-MS/MS method with a simple yet efficient sample collection and preparation protocol to accurately quantify E4 in whole blood. This method was then successfully applied for the pharmacokinetic study of E4 in a murin model providing the best administration route for E4. The innovative sampling allowed decreasing the number of animals used for the study as VAMS only draws few microliters of blood thus leaving the mice alive for the whole PK study reducing the inter-individual variability. [less ▲]

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Peer Reviewed
See detailDry powder of budesonide/hydroxypropyl-beta-cyclodextrin complex for inhalation as a new potential antiasthmatic treatment
Bigazzi, William ULiege; Dufour, Gilles; Mingeot-Leclercq, Marie-Paule et al

Conference (2016, October 17)

Asthma is a respiratory disease characterized by chronic airway inflammation which can lead, if not correctly managed, to tissue remodeling associated with an irreversible decline in lung function ... [more ▼]

Asthma is a respiratory disease characterized by chronic airway inflammation which can lead, if not correctly managed, to tissue remodeling associated with an irreversible decline in lung function. Hypersensitivity of the respiratory tract to non-specific stimuli, which causes triggering of asthma attacks, is also observed. Despite medical advances, asthma remains an important socio-economic and public health concern since this condition affects 300 million people and causes more than 300 000 deaths worldwide every year. Furthermore its annual cost is estimated at over 30 billion euros in Europe. These issues can be partially linked to an inadequate control of asthma due to undesirable effects of existing medication such as corticosteroids. Hence, the development of new medications with improved effectiveness and reduced adverse effects could allow a better management of the disease. It has been recently discovered that inhaled solution of hydroxylpropyl-beta-cyclodextrin (HPBCD) is able to reduce allergen-induced bronchoconstriction in asthmatic patients, with no toxicity observed in healthy patients further to administration. Based on these results, our project seeks to develop new antiasthmatic medication containing an association of HPBCD and budesonide, a widely used corticosteroid in long-term treatment of asthma. Thus, we investigated complexation between the two molecules. Interestingly, it was observed that when budesonide is complexed with HPBCD, its permeability across a Calu-3 cell layer is reduced. Several experiments in mouse models confirmed that HPBCD acts as a sustained delivery system which progressively releases budesonide into the lung parenchyma, leading to a prolonged anti-inflammatory effect. Due to high Peclet number of HPBCD, the spray dried complex exhibited wrinkled particles whose interest in dry powder for inhalation is well known. Thanks to its anti-inflammatory effect and its sustained release potential, HPBCD could significantly reduce corticosteroids needed doses for management of asthma. However, a clinical study has to be performed to determine the optimal budesonide/HPBCD ratio and the minimal effective dose of complex. Further investigations are also needed to exploit the potential of spray dried HPBCD and develop a powder for inhalation by particle engineering. [less ▲]

Detailed reference viewed: 104 (17 ULiège)
See detailLe rôle de la compréhension de la notion de modèle dans la vision des futurs enseignants des sciences de la structure atomique
Karous, Hamad ULiege; Nihant, Brigitte ULiege; Leyh, Bernard ULiege

Conference (2016, October 16)

Atomic theory is a key concept in science education. However, it was found that students often have difficulties in learning the fundamental notions of this theory. These difficulties reveal themselves in ... [more ▼]

Atomic theory is a key concept in science education. However, it was found that students often have difficulties in learning the fundamental notions of this theory. These difficulties reveal themselves in the expression of some preconceptions which tend to persist over time and thus may occur up to the higher education level. The goal of our study is to highlight some difficulties related to the notions of models and modelling notions and to illustrate the causes of appearance of such preconceptions. To do this, two questionnaires were submitted to future sciences teachers (chemistry, biology and physics) who did a training at the University of Belgium in 2014-2015 and in 2015-2016 (40> participants). The first questionnaire deals with the modelling concept and process while the second one is about the atomic model diagrams which illustrate many textbooks. Identifying the nature of the models and their construction may lead to misconceptions while acquiring basic scientific knowledge. [less ▲]

Detailed reference viewed: 52 (19 ULiège)
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See detailIs there a place for BTR markers in renal osteodystrophy?
DELANAYE, Pierre ULiege

Conference (2016, October 15)

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See detailUne hypokaliémie à Liège
VALDES SOCIN, Hernan Gonzalo ULiege; EMONTS, Patrick ULiege; HAMOIR, Etienne ULiege et al

Conference (2016, October 15)

Detailed reference viewed: 48 (1 ULiège)
Peer Reviewed
See detailSartre et Merleau-Ponty : les matérialités de la politique
Caeymaex, Florence ULiege

Conference (2016, October 15)

Detailed reference viewed: 26 (2 ULiège)
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See detailPrise en charge des tendinopathies : Etat de l'art, traitement et prévention secondaire
Kaux, Jean-François ULiege

Conference (2016, October 15)

Detailed reference viewed: 84 (10 ULiège)
Peer Reviewed
See detailTreg, Th17 and γδ T cells during normal and abortive pregnancy
Polese, Barbara ULiege; Gridelet, Virginie ULiege; Munaut, Carine ULiege et al

Conference (2016, October 14)

Detailed reference viewed: 33 (6 ULiège)
Peer Reviewed
See detailVirginité et maternité spirituelles dans le christianisme occidental
Henneau, Marie-Elisabeth ULiege

Conference (2016, October 14)

Detailed reference viewed: 11 (0 ULiège)
See detailSeasonal changes and steroid control of perineuronal nets in the song control system
Cornez, Gilles ULiege; Shevchouk, Olesya ULiege; Madison, Farrah et al

Conference (2016, October 14)

Perineuronal nets (PNNs) are aggregations of extracellular matrix components surrounding the soma of some neurons, mainly GABAergic interneurons expressing the calcium binding protein parvalbumin (PV ... [more ▼]

Perineuronal nets (PNNs) are aggregations of extracellular matrix components surrounding the soma of some neurons, mainly GABAergic interneurons expressing the calcium binding protein parvalbumin (PV+). In mammals, the development of PNNs limits synaptogenesis around PV+ neurons and PNNs have been validated as a marker characterizing the end of critical periods for some types of learning. In oscines, song learning is limited to critical periods either during ontogeny in close-ended learners such as zebra finches or during specific phases of the annual cycle in open-ended learners such as canaries or starlings. In zebra finches, PNN expression increases when the song crystalizes and this increase is markedly inhibited if juveniles are deprived from a tutor, which is known to delay the closure of the critical period for song learning. Nothing is known however about a possible role of PNNs in adult seasonal plasticity of open-ended learners. We compared PNNs expression and their colocalization with PV+ neurons in photosensitive, photostimulated, and photorefractory starlings. Although this treatment affected as expected the testes volumes, testosterone concentrations and volumes of song control nuclei, it did not markedly change the expression of PNNs or PV+ neurons in song control or auditory nuclei. In a second experiment, brains of female canaries implanted with testosterone for 1, 2, 9, or 21 days displayed an increase of the total numbers of PV+ neurons and PNNs in HVC, the total number of PNNs in nucleus robustusarcopallialis (RA), the density of PNNs in Area X and the %PV+ neurons surrounded by PNNs in RA and Area X. Interestingly the density of PNNs in song control nuclei progressively decreases from zebra finches to canaries to starlings in parallel with the increased song plasticity in these species supporting the notion that PNNs may limit brain and thus song plasticity in a species-typical manner. [less ▲]

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See detailMusik erzählt. Elektronische Musik im zeitgenössischen Roman
Neelsen, Sarah ULiege

Conference (2016, October 14)

Die Möglichkeit, seit Ende des 19. Jahrhunderts Klänge elektronisch zu produzieren und zu reproduzieren, hat die Wahrnehmung für die Materialität von Musik im Laufe des 20. Jahrhunderts immer weiter ... [more ▼]

Die Möglichkeit, seit Ende des 19. Jahrhunderts Klänge elektronisch zu produzieren und zu reproduzieren, hat die Wahrnehmung für die Materialität von Musik im Laufe des 20. Jahrhunderts immer weiter geschärft. Durch neue Studiotechniken wurde der Klang sicht- und greifbar gemacht, konnte zerschnitten und abgemischt werden. Autoren der Beat Generation eigneten sich diese Möglichkeiten an und versuchten sie, auf das Textmaterial anzuwenden. Doch was geschieht genau, wenn Literatur elektrifiziert wird? Der Untersuchung dienen deutsche und französische Werke seit den 1980er Jahren, Werke von Rainald Goetz (Irre, Rave) und Virginie Despentes (Bye bye Blondie, Vernon Subutex), die neuere Entwicklungen der „electronic revolution“ (W.S. Burroughs) hervorheben. Beide Autoren bedienen sich der Nähe zur Musik um neue Kompositionsprinzipien, Raumgestaltungen und Figurenkonstellationen zu entwerfen, die in den jüngsten Werken – entgegen den Anfängen der Popliteratur – auch politische Stellungnahmen zum Umgang mit Rauschen und Geräusch skizzieren. [less ▲]

Detailed reference viewed: 31 (3 ULiège)
Peer Reviewed
See detailMachine monstrueuse. Retour sur l'excès, l'exhibition et le gros plan
Jousten, Lison ULiege

Conference (2016, October 14)

La communication propose de revenir sur certains aspects monstrueux du cinématographe. À la fois vectrice et créatrice d’un imaginaire intimement associé à la machine, il s’agit principalement d’envisager ... [more ▼]

La communication propose de revenir sur certains aspects monstrueux du cinématographe. À la fois vectrice et créatrice d’un imaginaire intimement associé à la machine, il s’agit principalement d’envisager comment cette « machine à voir » (Viva Paci, 2012) est aussi étroitement liée à la question de la monstruosité. [less ▲]

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See detailHow to measure renal function?
DELANAYE, Pierre ULiege

Conference (2016, October 14)

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See detailExploring Metacognition as Support for Learning Transfer
Devlin, Marie; Draeger, John; Dvorakova, Lucie Sam et al

Conference (2016, October 14)

This presentation will share our efforts to investigate how metacognition might enhance the transfer of learning from one context to another. This topic is of relevance because the ability to transfer ... [more ▼]

This presentation will share our efforts to investigate how metacognition might enhance the transfer of learning from one context to another. This topic is of relevance because the ability to transfer one’s learning to new situations lies at the heart of lifelong learning and the employability of university graduates. [less ▲]

Detailed reference viewed: 75 (2 ULiège)
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See detailA full inference toolbox to measure multivariate relative dispersion
Aerts, Stéphanie ULiege; Haesbroeck, Gentiane ULiege

Conference (2016, October 14)

In the univariate context, coefficients of variation (CV) are widely used to compare the dispersion of a variable in several populations. When the comparison is based on p characteristics however, side-by ... [more ▼]

In the univariate context, coefficients of variation (CV) are widely used to compare the dispersion of a variable in several populations. When the comparison is based on p characteristics however, side-by-side comparison of marginal CV’s may lead to contradictions. In this talk, we present a multivariate coefficient of variation (MCV), defined as the inverse of the Mahalanobis distance between the mean and the origin, whose usefulness is demonstrated in some applications in finance and analytical chemistry. A full inference toolbox is provided for practitioners: several parametric and non-parametric bias-correction methods are suggested and compared, and some exact and approximate confidence intervals are built and analyzed in a simulation study. Finally, in order to meet the practical need to compare MCV’s in K populations, some asymptotic statistical testing procedures are derived, whose finite-sample performance is empirically assessed. Throughout the talk, the robustness of the techniques will be discussed. As a by-product, a test statistic allowing to reliably compare K univariate CV’s even in presence of outliers will be outlined. [less ▲]

Detailed reference viewed: 24 (2 ULiège)
See detailThe Terra Mosana Project
Billen, Roland ULiege

Conference (2016, October 14)

Detailed reference viewed: 88 (3 ULiège)
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See detailCase report autour de cristalluries médicamenteuses atypiques
Castiglione, Vincent ULiege; GADISSEUR, Romy ULiege

Conference (2016, October 14)

We report here the cases of uncommon-shaped crystals in patient's urine. The first one is a 73years-old man with massive crystalluria observed in his microscopic urinalysis on Sedimax° (Menarini ... [more ▼]

We report here the cases of uncommon-shaped crystals in patient's urine. The first one is a 73years-old man with massive crystalluria observed in his microscopic urinalysis on Sedimax° (Menarini). Observed crystals had various shape (needle, stick, Feather...). The patient was hospitalized because of lactic acidosis due to suicide attempt by medication overdose. The following medication had been taken: prazepam, acetaminophen, tramadol and Triumeq°, a new anti-retroviral association of dolutegravir, abacavir and lamivudine. Infrared analysis of dryed urine didn"t allow to identify any common stone component, nor any medication. We further discuss about the possible implication of dolutegravir in crystalluria in this patient. Secondly, we show several N-acetylsulfamethoxazol (sulfamethoxazol metabolite) urine crystals detected in microscopic urinalysis of various patients. All had uncommon shape and were sometimes associated to acute kidney injury [less ▲]

Detailed reference viewed: 31 (2 ULiège)
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See detailDual action of neuro-estrogens in the regulation of male sexual behavior
Cornil, Charlotte ULiege

Conference (2016, October 13)

Detailed reference viewed: 26 (1 ULiège)
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Peer Reviewed
See detailEt quand il n’y a pas d’acteur volontaire ?
Servotte, Jean-Christophe ULiege; Baijot, Sophie

Conference (2016, October 13)

Detailed reference viewed: 15 (1 ULiège)
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See detailLeaving Gauss: extending Gaussian variance bounds to arbitrary targets
Clette, Emilie ULiege; Swan, Yvik ULiege

Conference (2016, October 13)

Detailed reference viewed: 30 (4 ULiège)
Peer Reviewed
See detailCurating Canons of Comics: Daniel Clowes and Art Spiegelman's 'Private' Museums
Crucifix, Benoît ULiege

Conference (2016, October 13)

As guest of honor at the 2012 International Comics Festival in Angoulême, Art Spiegelman did not only have a retrospective exhibition devoted to his work, but was also invited to act as the curator of the ... [more ▼]

As guest of honor at the 2012 International Comics Festival in Angoulême, Art Spiegelman did not only have a retrospective exhibition devoted to his work, but was also invited to act as the curator of the CIBDI museum’s archive, producing his own ‘private’ museum, as suggested by the exhibition title Le Musée privée d’Art Spiegelman. Similarly, for Daniel Clowes’s retrospective exhibit in Columbus, the Wexner Center of the Arts hosted Eye of the Cartoonist: Daniel Clowes’s Selections from Comics History, based on Clowes’s curatorial choices from the Billy Ireland Cartoon Library and Museum. In each case, the cartoonist literally frames the history of comics and exhibits his personal canon of comics. As Spiegelman put it: “I have been allowed to highjack the Centre of Bande dessinée Museum to replace what is primarily the Francophone patrimony of comics with my own perverse and private map of what comics are.” This quote clearly embodies the dual facet of such exhibitions – collective and singular, shared and idiosyncratic – foregrounding the anchorage of individual graphic novelists within traditions of comics. Articulated around personal canons, these two exhibitions offer fresh perspectives to think about canonization in the comics world. Albeit focused on two 'canonized' graphic novelists, this case study nuances the auteurism of comics scholarship: not only are these exhibitions the result of collaborative work, they also recast the author in the role of curator. The key aspect of these exhibitions lies in a canonizing act of selection that circulates in varied material forms showcasing the authors’ influences. Mapping out how Clowes and Spiegelman frame their entanglement with the past of comics within the contexts of institutions that store its archive, I will examine the specificities of these exhibitions in relation to a body and style of historiography I call ‘authors’ histories of the comics.’ [less ▲]

Detailed reference viewed: 55 (9 ULiège)
See detail"I, Robo-Writer”: Imaginaries of Narrative in the Age of Data Storytelling
Claisse, Frédéric ULiege

Conference (2016, October 13)

While it is too early to speak of a “narrative turn” in Big Data, recent developments in automated storytelling technologies have contributed to renew the rhetoric of fears and promises in this domain. In ... [more ▼]

While it is too early to speak of a “narrative turn” in Big Data, recent developments in automated storytelling technologies have contributed to renew the rhetoric of fears and promises in this domain. In January 2015, an announcement made by Associated Press that corporate earnings stories will be automated raised concerns that journalism could be the next “disappearing job”. A year later, Qlik, a software company within the field of Business Intelligence management, partnered with Narrative Science, a disruptive company that uses “advanced natural language platform” to generate stories “hidden” in the data, rendering manual analysis almost obsolete. Interestingly, algorithm and storytelling play an equal part in these sociotechnical imaginaries – narratives are even described as full-fledged technologies per se, with a sensemaking potential only enhanced by automation. It is reasonable to think that these advances would not have been possible without the amount of knowledge about storytelling slowly built up in the humanities, especially in a domain such as narratology, which considered stories as formal, combinatory structures long before software tools could identify and recode their basic grammatical components. In this paper, we propose to reverse the premises of the relation between narrative and technology, by exploring the imaginaries of storytelling as a technology revived by technology. On the one hand, the rediscovery of storytelling by knowledge management is in line with an established trend in using stories as a means of influence in non-literary areas such as advertising, public relations or human resources. But on the other hand, as literature always paid attention to technological evolution, it has much in common with historical (cut-up, constrained writing) as well as more recent literary possibilities offered by automation. [less ▲]

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See detailAccuracy of dichotomous logistic IRT models to estimate ability with multiple choice items
Magis, David ULiege

Conference (2016, October 13)

This presentation focuse son multiple-choice items without any control or correction for guessing. Most often these items are recoded as binary outcomes (TRUE-FALSE) and logistic IRT models are calibrated ... [more ▼]

This presentation focuse son multiple-choice items without any control or correction for guessing. Most often these items are recoded as binary outcomes (TRUE-FALSE) and logistic IRT models are calibrated using these recoded data. The main purpose of this study is to highlight the limits of this approach by (a) proposing a simulation model to allow for guessing at various levels of ability, and (b) comparing the dichotomous approach to the use of nominal response model. Preliminary simulations indicate that none of the models are very accurate to estimate latent abilities accurately, though the nominal response model has fewer bias then the dichotomous models. [less ▲]

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See detailHalf a century of Space Adventure at Centre Spatial of Liège
Rochus, Pierre ULiege

Conference (2016, October 12)

Created by the University of Liège, the Centre spatial de Liège is a research centre dedicated to space instrumentation including environmental test facilities and high level laboratories. It works for ... [more ▼]

Created by the University of Liège, the Centre spatial de Liège is a research centre dedicated to space instrumentation including environmental test facilities and high level laboratories. It works for the European Space Agency (ESA), for the space industry and for regionals firms. From the beginning of its more than 50 years long history, CSL develops, assembles, calibrates and/or tests observation instruments and relevant sub-systems capable to operate in a harsh environment, in order to serve the demands of the space science. Space Systems Program focuses its effort to incorporate CSL into the teams dedicated for definition, design, integration and/or ground and in flight calibration of scientific payload missions, mainly under the final authority of the most prestigious Space Agencies (ESA, NASA, JAXA …). Today, more than 15 complex pieces of CSL technology have been launched in space, all of them operating nominally. Some of the most significant instruments made by CSL are: EIT solar telescope (SOHO), HI (STEREO), SWAP (PROBA 2), optical monitors with OM (Newton), OMC (INTEGRAL) and various contributions on PACS (Herschel), MIRI (JWST), UVS (JUNO) and COROT. In 2011, this strong heritage allows CSL to be awarded with the Extreme UV Imager (EUI) PIship of Solar Orbiter (ESA M1 science mission). For the Future, CSL is involved in the L1 JUICE, L2 ATHENA, M1 Solar Orbiter, M2 EUCLID, M3 PLATO, M4, S1 CHEOPS, S2 SMILE ESA missions as well as the SPP, ICON NASA Missions. The presentation will concentrate on the development of Space Instruments during this half a century of Space Adventure, focusing on Solar Physics and Space Weather Instruments. [less ▲]

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See detailMigration in Extreme Climate Change Scenarios
Gemenne, François ULiege; Blocher, Julia; de Longueville, Florence et al

Conference (2016, October 12)

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See detailSemiochemicals to control wireworms
Verheggen, François ULiege

Conference (2016, October 12)

Detailed reference viewed: 41 (11 ULiège)
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See detailStudy of the volatile organic compounds in the interaction between banana plants and the fungal disease Fusarium oxysporum f.sp. cubense Tropical Race 4 (FocTR4)
Berhal, Chadi ULiege; De Clerck, Caroline ULiege; LEVICEK, CAROLINA et al

Conference (2016, October 11)

Banana fruit (Musa sp.) ranks fourth in term of worldwide production, and has economical and nutritional key values. Cavendish is the popular and most dominant variety of the dessert banana group ... [more ▼]

Banana fruit (Musa sp.) ranks fourth in term of worldwide production, and has economical and nutritional key values. Cavendish is the popular and most dominant variety of the dessert banana group. Nowadays, it is endangered by the emergent race of the Panama disease, caused by Fusarium oxysporum f.sp. cubense TR4 (Foc TR4). Despite the importance of the Volatile Organic Compounds (VOCs), which are secondary metabolites with a high vapour pressure, and their role in plant protection, they have never been documented as a way to manage this disease on Cavendish. Thus, the aim of this PhD thesis is to study the VOCs in the specific interaction Cavendish/Foc TR4, as a way to manage this threat. Based on the work previously done with other plants at Gembloux Agro-Bio Tech, a protocol was optimized for the extraction of the banana plant’s VOCs. In parallel, models of in-vitro and in-vivo inoculations are under development to distinguish the VOCs emitted by the root zone and those emitted by the aerial part of the plant. The results of the first analysis showed that the majority of the Cavendish VOCs belongs to the terpenes group, as well as ketones and an organic ester. The VOCs specifically emitted during the plant-pathogen interaction will be studied more in depth by evaluating their effect on the plant and the pathogen. At long term, and depending on the results, agro-ecological applications of this knowledge could include breeding for new variety or combining banana with other plants expressing VOCs against Foc TR4, applying VOCs on field to stimulate plant defences or to contain the pathogen. [less ▲]

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See detailRelative positioning with Galileo E5 AltBOC code measurements
Deprez, Cécile ULiege; Warnant, René ULiege

Conference (2016, October 11)

For over a decade, Europe has started to develop its own Global Navigation Satellite System (GNSS). Initiated in 1999, the Galileo project finally materialized a few years ago, recently experiencing a ... [more ▼]

For over a decade, Europe has started to develop its own Global Navigation Satellite System (GNSS). Initiated in 1999, the Galileo project finally materialized a few years ago, recently experiencing a prompt expansion with the launch, in 2015 and 2016, of 8 satellites belonging to the Full Operational Capability (FOC) generation. Broadcasting new signals, with new modulations, the first studies addressing this system reveal promising level of precisions on both code and carrier phase observables. Still in test phase but already available for measurements, this recent system can be used to estimate positions. Among the new signals developed by the Galileo program, the Galileo E5 AltBOC, also known as Galileo E5a+b or Galileo E5, reveals great characteristics. Thanks to its particular AltBOC modulation, it allows more precise code and phase observations besides being less affected by multipath. These innovative performances should lead to more precise position estimations than with any other signal presently in use. In this master thesis, we compared the positions estimated with GPS and Galileo on their different frequencies (L1, L2, L5 for GPS and E1, E5a, E5b and E5 AltBOC for Galileo). We combined the observations made by the receivers belonging to the University of Liège (2 Trimble NetR9 receivers, 1 Septentrio PolaRxS receiver and one Septentrio PolaRx4 receiver) in double differences (DD) combinations using various configurations (zero baseline (ZB), short baseline (SB) and medium baseline (MB)). It turns out that Galileo E5 AltBOC outperforms all other signal in terms of observation precision (estimated in a DD SB configuration in order to remove atmospheric and clock error sources affecting the signal). Regarding the precision obtained on the computed positions, we could reach a few decimetres with Galileo E5 code pseudoranges on baselines up to 25 kilometres. [less ▲]

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See detailLiège Game Lab Showcase
Dozo, Björn-Olav ULiege

Conference (2016, October 11)

Detailed reference viewed: 13 (2 ULiège)
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See detailCelestina, del personaje reubicado al mito
Francois, Jeromine ULiege

Conference (2016, October 10)

Detailed reference viewed: 9 (1 ULiège)
See detailTo Speak, or Not to Speak: That Is the Question. Contrapuntal Shakespearean Intertextuality in Gail Jones's Sorry
Belleflamme, Valérie-Anne ULiege

Conference (2016, October 10)

In Alev Adil’s words, Australian novelist and essayist Gail Jones has chosen “to speak of silence, not of the silenced. [Her novel Sorry (2007)] is careful not to ventriloquize Aboriginal histories. The ... [more ▼]

In Alev Adil’s words, Australian novelist and essayist Gail Jones has chosen “to speak of silence, not of the silenced. [Her novel Sorry (2007)] is careful not to ventriloquize Aboriginal histories. The elegiac and occluded nature of [its] narrative is an ethical as much as aesthetic choice” (qtd. in Herrero 2011, 287). Ironically perhaps, the novel starts by immediately inviting the reader to be silent and to perk up his or her ears in order to listen to this story “that can only be told in a whisper” (3). This, I argue, functions as a kind of warning for readers, that throughout their reading they need to be attentive to, and perhaps search for, the hushed tone which this story demands and which suggests the existence of some deeper, underlying truth. In an article tackling the issue of writing and justice in the Australian context, Jones vindicates this form of obliquity, confessing that Sorry has “a political-allegorical aspect – as one would expect, claiming such a title”, yet that “it is not centrally concerned with representing the Stolen Generations. As a white Australian, it would be presumptuous to do so and it would risk appropriation of others’ painful experience” (2008, 84). She also contends that non-Indigenous writers who wish “to engage with ‘stolen’ matters must write from another perspective and perhaps use forms of indirection that will signal a refusal to ‘claim’ the experience of others” (79). Interacting with Russell West-Pavlov’s view of the Shakespearean intertext in Sorry as a “self-critical element of White usurping culture but also, possibly, as a collaborator in a coalition against the ongoing oppression of the Indigenous population which characterizes contemporary Australia” (2015, 391), my paper will examine how Jones exploits defamiliarizing techniques in order to undermine the dominant European discourse (as encoded in the Shakespearean text) without assuming an Aboriginal perspective. Her aim is to facilitate the emergence of an incipient, tentatively-defined counter-discourse sufficiently attuned to the specific realities of Australia. The paper argues that by adopting an Australian cultural perspective designed to decentre Shakespeare Jones hopes to reconcile history and writing, but also the divided aspects of White Australia’s twofold identity at a time of profound national changes. Works Cited Belleflamme, Valérie-Anne. 2015. “‘Shakespeare was wrong’: counter-discursive intertextuality in Gail Jones’s Sorry.” Journal of Postcolonial Writing 51 (6): 661-671. Herrero, Dolores. 2011. “The Australian Apology and Postcolonial Defamiliarization: Gail Jones’s Sorry.” Journal of Postcolonial Writing 47 (3): 283-295. Jones, Gail. 2007. Sorry. London: Harvill Secker. Jones, Gail. 2008. “Speaking Shadows: Justice and the Poetic.” In Just Words?: Australian Authors Writing for Justice, edited by Bernadette Brennan, 76-86. St Lucia: University of Queensland Press. West-Pavlov, Russell. 2015. “Shakekspeare Among the Nyoongar: Post-Colonial Texts, Colonial Intertexts and their Imbrications – Macbeth in Gail Jones’s Sorry.” Zeitschrift fur Anglistik und Amerikanistik 63 (4): 391-410. [less ▲]

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See detailAnorexie et régulation émotionnelle
Englebert, Jérôme ULiege

Conference (2016, October 08)

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See detailPARTNERSHIP with a glass wool producer for accurate LCA
Gerbinet, Saïcha ULiege; Briard, Vincent; Pigeolet, Jean-Pierre et al

Conference (2016, October 08)

This presentation aims to illustrate how a partnership with the private sector can progressively become a win-win collaboration. Taking into account the environmental aspects in the building sector has ... [more ▼]

This presentation aims to illustrate how a partnership with the private sector can progressively become a win-win collaboration. Taking into account the environmental aspects in the building sector has become unavoidable. Knauf Insulation, a glass wool producer, has started to evaluate the environmental impacts of it manufacturing processes for drafting Environmental Product Declarations (EPD). This first objective was mainly intended to respond to a market demand for EPDs of their products. Our first contact with Knauf Insulation was for drawing up EPDs of 10 of their products. This first work has shown the need for a more flexible tool to allow rapid life cycle analyze of a product and publication of an EPD, and thus respond quickly to market demands. The need of a better understanding of the environmental impact of the process is also underline to allow to follow the evolution of the impact and to reduce it. All the glass wool products are manufactured in a similar way, only a few parameters, such as density or thickness, are modified in the process to produce a given product. We have therefore chosen to develop a generic model that can be used for all glass wool products produced by Knauf Insulation, in any of their plants. The LCA model was developed in GaBi, and thanks to a positive collaboration with Thinkstep, the software editor, and Knauf Insulation, the model is finetuned for the production plants. Knauf Insulation can use this model for EPDs as well as for Ecoconception. The model is built to be user-friendly: the user sets the product characteristics and dimensions, and in which plant (or combination of plants) it is produced. The data collection is performed by Knauf Insulation with our support. When new data are available, the model is easily updated. Therefore the model is easy to use, easy to update and accurate. Thanks to this positive experience the collaboration is ongoing. The same modelling aspects have been adapted to another insulation product from Knauf Insulation, stone wool. Furthermore, Knauf Insulation has developed a new binder for its products called ECOSE and produced from renewable materials (biomass), and is formaldehyde-free. The previous LCA underline the need of a better characterization of ECOSE in a LCA perspective. Therefore, a PhD is underway to evaluate the impacts of this binder and its applications (glass wool products) as well as its future applications. This story underlines how the partnership between the university and private sector is a win-win situation, staring from EPD and leading to much needed fundamental research, more accurate EPDs and better awareness of the environmental impacts in general, when the private sector is convinced with the interest of the demarche. [less ▲]

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See detailShaping (im)mobility: borders, camps, and non-state actors
Da Silva, Amanda Carolina ULiege

Conference (2016, October 07)

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See detailThe reinforcement opportunitie of a cross-border train connection: the example of the railway between Liège (Belgium) and Maastricht (Netherlands)
Wilmotte, Pierre-François ULiege; Lambotte, Jean-Marc ULiege; Cools, Mario ULiege et al

Conference (2016, October 07)

The research topic was to understand why it is so difficult to increase the train frequency on Liège - Maastricht line. The outline of our presentation was structured in 4 parts : the (current, potential ... [more ▼]

The research topic was to understand why it is so difficult to increase the train frequency on Liège - Maastricht line. The outline of our presentation was structured in 4 parts : the (current, potential and future) supply, the (current, potential and future) demand, some options to solve the deadlock between the Belgian's and the Dutch's outlooks and the conclusions. [less ▲]

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See detailSFC: A green alternative for quantitative analysis in the pharmaceutical field?
Dispas, Amandine ULiege; Lebrun, Pierre ULiege; Ziemons, Eric ULiege et al

Conference (2016, October 07)

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See detailIrrigated food systems in Maradi Republic of Niger: A comparison between operating accounts
Andres, Ludovic ULiege; Dambo, Lawali; Bode, Sambo et al

Conference (2016, October 07)

In Niger, most food systems are based on pluvial crops (millet, sorghum and cowpea). However, during the last decade, agricultural policy and technical and financial partners focused on increasing the ... [more ▼]

In Niger, most food systems are based on pluvial crops (millet, sorghum and cowpea). However, during the last decade, agricultural policy and technical and financial partners focused on increasing the productivity of irrigated food products. The region of Maradi, located in the Central-South of Niger, is an area traditionally dedicated to agriculture. Some parts of this region are particularly adapted for irrigation, especially the Goulbi of Kaba and the Goulbi of Maradi valleys. The goal of this study is to establish the socio-economic situation of the main irrigated food productions, based on the following indicators: (i) the crop management technics used; (ii) the results of the operating account; and (iii) the comparison between the village and the adoption of new technic (farmer field school). This paper is based on direct surveys conducted in three areas of the Maradi’s region: Soumarana (commune of Safo, department of Madarounfa); N’Yelwa (commune of Madarounfa, department of Madarounfa); Madarounfa (commune of Madarounfa, department of Guidan Roumdji). The software used is Minitab and Excel. The results highlight a good perspective for the irrigation system but this food system is conditioned by the petroleum price and some other input (fertilizer and seed). The operating accounts show that irrigation is a non-negligible income source, which increases the resilience of the farmers. [less ▲]

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See detailVariations sur le moi: Mach, Musil, Hofmannsthal
Zincq, Aurélien ULiege

Conference (2016, October 07)

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See detailCéramiques et Composites: nouveaux matériaux et nouvelles stratégies thérapeutiques
MAINJOT, Amélie ULiege

Conference (2016, October 07)

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See detailIntroduction
Masson, Christophe ULiege

Conference (2016, October 07)

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See detailQuelques réflexions méthodologiques sur les abandons de sanctuaires en Grèce antique
Palamidis, Alaya ULiege

Conference (2016, October 07)

The archeological identification of the abandonment of cults faces two main difficulties. First, the absence of material posterior to a certain date in an excavated sanctuary does not necessarily mean ... [more ▼]

The archeological identification of the abandonment of cults faces two main difficulties. First, the absence of material posterior to a certain date in an excavated sanctuary does not necessarily mean that the sanctuary was abandoned. Secondly, the abandonment of a sanctuary does not necessarily mean the abandonment of the cult, since the cult may have been transferred to another sanctuary. [less ▲]

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See detailDevelopment of polymer-based systems for healthcare applications
Grandfils, Christian ULiege

Conference (2016, October 06)

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See detailThe project PhytoKat in Lubumbashi, D.R. Congo: conditions for the integration of traditional medicine in modern healthcare
Bakari, A.; Meerts, P.; Vandenput, Sandrina ULiege et al

Conference (2016, October 06)

The D.R. Congo still faces multiple health problems. Notably the access to conventional medicine is limited; as in most Sub-Saharan countries, traditional medicine is the primary, and often the only ... [more ▼]

The D.R. Congo still faces multiple health problems. Notably the access to conventional medicine is limited; as in most Sub-Saharan countries, traditional medicine is the primary, and often the only, source of care for a majority of the population and the WHO advocates its recognition and modernization for primary health care. This pilot project aims to establish the necessary foundation for progress in this direction in Katanga: • The conditions for the introduction of traditional practices in modern medicine will be evaluated (quality of the practitioners and diagnostics; quality, efficiency, safety of treatments); • Many plants used in traditional medicine have already been documented in Katanga; certain traditional practices have been validated by the identification of active compounds. The project proposes to deepen the botanical, pharmacological, chemical and agronomic study of these interesting species; • In the context of regional erosion of plant diversity, excessive harvesting of some vulnerable medicinal species could represent a serious threat; developing a conservation strategy is urgent and requires an inventory of their current distribution. Through 5 doctoral theses in pharmacognosy, biomedical and agronomic sciences, the project will aim at correcting the weaknesses identified by the recent Joint Context Analysis, performed in R.D. Congo at DGD initiative, for the domain environment/natural resources: "Lack of information, knowledge and awareness among decision makers and local communities on the benefits of biodiversity-related development". [less ▲]

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See detail“Avoiding disease has never favoured health”: Governance of plant health and management of crop diversity -the case of bean health management among members of the association Croqueurs de Carottes
Klaedtke, Stephanie ULiege; Chable, Véronique; Stassart, Pierre M ULiege

Conference (2016, October 06)

In 2010, a hot debate on bean seed quality in the framework of a European Research project led a French-speaking association of artisan seed companies to challenge EU "quarantine" measures on the ... [more ▼]

In 2010, a hot debate on bean seed quality in the framework of a European Research project led a French-speaking association of artisan seed companies to challenge EU "quarantine" measures on the bacterial agents of Common Bacterial Blight (CBB), a seedborne disease of common bean. The artisan seed companies (artisans semenciers) forming the association Croqueurs de Carottes are small enterprises producing and marketing seed of open-pollinated vegetable varieties from the public domain, based on networks of organic seed growing farmers. In doing so, the artisan seed companies contribute to the dynamic conservation of crop diversity and to making this diversity accessible to home and market gardeners. For the Croqueurs as member of the French Réseau Semences Paysannes (peasant seed network), this commercial activity also forms part of a wider movement of seed re-appropriation. The research presented here departs from the hypothesis that the dispute on the CBB "quarantine" measures reveals a more general discrepancy: The rationale behind the plant health management practices of the seed artisans differs from the rationale behind the quarantine measures which they face in the form of phytosanitary inspections. In the aim of specifying the plant health management practices of the artisan seed companies, these practices and the rationale behind it will be unfolded as an actor-network. In terms of actor network theory (ANT), the contestation of quarantine measures on common bean by the Croqueurs in France reveals the actor-network behind their bean health management. Disturbed by the quarantine measures, the network becomes apparent in a process of reassemblage. The network behind this particular plant health management will be unfolded by taking controversial elements of the implementation of quarantine measures as a starting point, such as the official protocol for the detection of bacterial pathogens on seeds and the competences of inspectors in charge of phytosanitary seed inspections. The description of the plant health management by artisanal seed companies will be based on the practices of the Croqueurs in France and Belgium, but also on the practices of two artisanal seed companies in Germany. By contrast, discrepancies with the dominant plant health management rationale will appear. Whereas the "quarantine" measures aim at eradicating CBB in the EU by admitting only CBB-free bean seed on the seed market, the artisan seed companies rather seek to live with plant diseases and integrate plant pathogens in their production systems. For the latter, managing crop and seed health also goes through managing sound environments. In the framework of evolving EU plant regulations and a reorganisation of phytosanitary seed inspections in France, the debates on plant health management in artisanal seed companies persist. Although much has been written and publically debated by non-profit organizations, small-scale seed companies and researchers concerning EU seed legislations, but the role of phytosanitary regulations in the dynamic conservation of crop biodiversity has received little attention. The research presented here represents a first step in addressing this question in the scientific arena. [less ▲]

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See detailLes nouvelles recommandations 2016 dans l’insuffisance cardiaque & Présentation d'une étude de Télémédecine
Troisfontaines, Pierre; D'ORIO, Virginie ULiege; Melissopoulou, Maria et al

Conference (2016, October 06)

Epidémiologie, diagnostic et Approche médicamenteuse. Dr M. Melissopoulou (CHR de liège) • Approche non médicamenteuse & comorbidités. Dr Troisfontaines (CHR de Liège) • Insuffisance cardiaque aigue ... [more ▼]

Epidémiologie, diagnostic et Approche médicamenteuse. Dr M. Melissopoulou (CHR de liège) • Approche non médicamenteuse & comorbidités. Dr Troisfontaines (CHR de Liège) • Insuffisance cardiaque aigue & Insuffisance cardiaque terminale. Dr V. D’Orio (CHU de Liège) • Présentation de l’étude Télémédecine Dr A. Ancion (CHU de Liège) [less ▲]

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See detailEmergence d'une catégorie de "non ayant droit". La Belgique et la réforme de l'assurance-chômage
Remy, Céline ULiege; Senhadji, Khadija

Conference (2016, October 06)

Les récentes évolutions de l’assurance-chômage en Belgique font apparaître des vagues d’exclusions ‘automatiques’ de chômeurs allocataires d’insertion, ce qui étend par conséquent la catégorie de « non ... [more ▼]

Les récentes évolutions de l’assurance-chômage en Belgique font apparaître des vagues d’exclusions ‘automatiques’ de chômeurs allocataires d’insertion, ce qui étend par conséquent la catégorie de « non ayant-droit ». Cette dernière constitue un réel défi pour les institutions publiques car ces personnes disparaissent des radars institutionnels. Nous nous intéressons plus particulièrement au cas bruxellois où dès 2004, deux outils d’accompagnement ont été mis en place tout spécialement pour encadrer les jeunes chercheurs d’emploi. Une analyse chiffrée de la situation de ce public-cible encadré par les services publics bruxellois permettra de mettre en évidence le processus de (dé)régulation du marché de l’emploi. [less ▲]

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See detailEnvironmental impact of glucose: influence of the datasets choice on LCA results
Gerbinet, Saïcha ULiege; Belboom, Sandra ULiege; Léonard, Angélique ULiege

Conference (2016, October 06)

The aim of this study is to have a good understanding of the environmental impact of glucose production. Glucose is generally produced from corn or wheat. Since agricultural processes are known to be ... [more ▼]

The aim of this study is to have a good understanding of the environmental impact of glucose production. Glucose is generally produced from corn or wheat. Since agricultural processes are known to be difficult to evaluate by LCA, the results obtained with two different LCA databases, Gabi and Ecoinvent, are compared in this work. The production of glucose from raw materials can be divided in two steps: the agricultural steps allowing the plant production, and the conversion step including the extraction of the starch from the plant and its hydrolysis into glucose. Preliminary results underline the high impact of the agricultural step, so a special attention has been paid to these data. Specific Belgian data collected by the Walloon Agricultural Research Centre (CRA-W) (2014) [1] have been used as primary data (yield, amount of fertilizers, etc.), either using Ecoinvent or GaBi datasets background data to model fertilizers, diesel consumption, etc. A third model was built using only data available in Ecoinvent for corn and wheat cultures. For the conversion steps, literature data have been used along with some industrial data. As few studies are available in the literature concerning starch hydrolysis, the focus has been placed on data validation (mass balance checks, cross-reference information, etc.). Based on these multiple sources, it is possible to compare the LCA results for the production of 1 kg of glucose for three different cases, summarized in the following table. The results obtained using these three models will be presented, at both the inventory and the impact assessment steps. They show significant differences and highlight the need to understand in depth the involved assumptions when developing the datasets, in addition to the ones adopted for the inventory. [less ▲]

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See detailHTA du patient transplanté : quelles données pour adapter le traitement?
Krzesinski, Jean-Marie ULiege

Conference (2016, October 06)

Hypertension en Transplantation Rénale: conclusions •L’HTA est fréquente , souvent multifactorielle et sa prise en charge est importante pour le pronostic. •Le recours aux techniques de mesure de la PA en ... [more ▼]

Hypertension en Transplantation Rénale: conclusions •L’HTA est fréquente , souvent multifactorielle et sa prise en charge est importante pour le pronostic. •Le recours aux techniques de mesure de la PA en dehors de la consultation est nécessaire. •La cible de la PA est d’autant plus basse que l’on s’éloigne de la date de la Transplantation (cible de la PA proposée <130/80 mmHg après le 1ier trimestre). •Rôle de l’alimentation dans l’approche thérapeutique et des AC DHP et Bêtabloquant. Changer l’IS peut être bénéfique. •Si résistance au traitement, rechercher une cause secondaire, une mauvaise adhérence à la diététique et aux médicaments. [less ▲]

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See detailIntroduction au Colloque "Du vivant au social: les semences en question"
Hecquet, Corentin ULiege; Hermesse, Julie

Conference (2016, October 06)

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See detailMusic(ality) in Phillips’s Fiction
Mascoli, Giulia ULiege

Conference (2016, October 06)

Caryl Phillips is a contemporary Anglo-Caribbean author. Phillips’s radio play on Marvin Gaye entitled “A Long Way From Home”, the television documentary “Darker than Blue” that he made about Curtis ... [more ▼]

Caryl Phillips is a contemporary Anglo-Caribbean author. Phillips’s radio play on Marvin Gaye entitled “A Long Way From Home”, the television documentary “Darker than Blue” that he made about Curtis Mayfield, and his novel Dancing in the Dark, which is entirely devoted to Bert Williams, a famous vaudeville entertainer, are just a few examples testifying to his interest in popular music. Surprisingly, although the musicality of Phillips’s writing has been mentioned in passing (Ledent & Tunca xiv) and the author himself has declared that his only model, if any, was music (Clingman 108), a detailed study of what exactly characterizes this musicality or what purposes it serves has yet to be undertaken. What I would like to do in this presentation is not only to conduct an in-depth examination of this pervasive musicality but, more importantly, to attempt to define what musicality is in the first place. [less ▲]

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See detailGastronomy, a cultural heritage for our present and future time. An important protection for our territory, our agriculture and our welfare
Aresu, Anna Rosa ULiege

Conference (2016, October 06)

The environment, the beautiful landscapes, the good air, the agriculture with its local products are the most important assets we have in our countries. They have great potential economically, but are not ... [more ▼]

The environment, the beautiful landscapes, the good air, the agriculture with its local products are the most important assets we have in our countries. They have great potential economically, but are not well exploited in some regions. In recent years the agri-food sector is the focus of interest of the development of these places, and we could start from this cultural heritage to develop our territory. The smaller agricultural realities, which cannot compete on price, must rely on the quality of their products with local, traditional and cultural characteristics (product placement techniques and production techniques), as a differentiating factor and position in market niches that reward their typicality and originality. Today the rediscovery of food as a journey, a path, a reference point for a culture of high-level, comprehensive, preserves the most important values for humans. Agricultural products, recipes, methods of preparation have been passed down for centuries, rediscovered and represented with great joy by those who are aware that good food should not be used exclusively to satisfy the palate and stomach.The products of our land are very important in building our ethnic identity, both individual and collective. For these reasons, they have an ethical, social, religious, and existential symbolism that goes beyond the economic sphere. And then we can write: gastronomy is culture. Today it is a desired and loved culture that moves the economy. Gastronomy is rich in history, tradition, customs, "know-how" that occurred across generations: how small producers live and grow, their work, mastery of men and women, respect for the land and for their territory. It’s intimately linked with our earth. [less ▲]

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See detailQuelle(s) langue(s) pour l'enseignement supérieur ?
Winand, Jean ULiege

Conference (2016, October 05)

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See detailTowards a data model for (inter)textual relationships. Connecting Ancient Egyptian texts and understanding scribal practices
Polis, Stéphane ULiege; Razanajao, Vincent ULiege; Sojic, Nathalie ULiege

Conference (2016, October 05)

The goal of this lecture is theory-oriented: we propose a conceptual data model that allows us to deal with complex textual relationships. It is empirically grounded in our experience of digital ... [more ▼]

The goal of this lecture is theory-oriented: we propose a conceptual data model that allows us to deal with complex textual relationships. It is empirically grounded in our experience of digital annotation of Ancient Egyptian texts. This paper is initially born out of the practical need of annotating and linking together hundreds of textual witnesses in the framework of the Ramses project (Polis et al. 2013; Polis & Winand 2013), the aim of which is to build and publish online (http://ramses.ulg.ac.be) the first richly annotated corpus of Late Egyptian texts (c. 1350-900 BCE). [less ▲]

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See detailExpanding the scope of cobalt-mediated radical polymerization towards the synthesis of novel poly(vinyl acetate-alt-tert-butyl-2-trifluoromethacrylate) alternating fluorocopolymers
Banerjee; Ladmiral, Vincent; Debuigne, Antoine ULiege et al

Conference (2016, October 04)

Cobalt mediated radical polymerization (CMRP) is a nice technique to control the radical polymerization of vinyl acetate, VAc, but has never been reported on fluoromonomers. This presentation aims at ... [more ▼]

Cobalt mediated radical polymerization (CMRP) is a nice technique to control the radical polymerization of vinyl acetate, VAc, but has never been reported on fluoromonomers. This presentation aims at showing recent works on the use of CRMP to prepare well-defined unprecedented 1:1 alternating fluorocopolymers with narrow dispersity (≤1.3) comprised of a polar monomer (VAc) and a non-homopolymerizable fluoromonomer (tert-butyl-2-trifluoromethacrylate, MAF-TBE), under mild conditions.[1] The resulting poly(VAc-alt-MAF-TBE) copolymers have a precise 1:1 alternating structure over a wide range of the comonomer feed compositions in CMRP conditions as well as under free radical polymerization conditions,[2] as confirmed by NMR spectroscopies. Kinetics of radical copolymerization led to their reactivity ratios: rVAc = 0.014; rMAF-TBE = 0 at 40 °C). Simple adjustments of the monomer feed ratio and of the polymerization time, allow the synthesis of well-defined alternating copolymer or of novel poly(VAc- alt- MAF-TBE)-b-PVAc block copolymer composed of an alternating block and of a PVAc block. The block copolymer exhibited two glass transition temperatures (Tg) at 43 and 67 °C, which correspond to those of PVAc segment and poly(VAc-alt-MAF-TBE) alternating sequences, respectively. In contrast, the poly(VAc-alt-MAF-TBE) alternating copolymer displayed only one Tg at 40 °C. For the first time, CMRP of fluorinated monomer was achieved and this fluorine-containing alternating monomer system provides access to a wide range of new polymer materials, under progress. [less ▲]

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See detailLa communauté germanophone et la frontière orientale de Belgique : géohistoire et enjeux
Robelin, Cyril ULiege; Brassart, Dorothée

Conference (2016, October 01)

Face aux querelles linguistiques entre Francophones et Néerlandophones qui paralysent le pays, la communauté germanophone de Belgique tente de trouver sa place dans un état multilingue. Pays de marche ... [more ▼]

Face aux querelles linguistiques entre Francophones et Néerlandophones qui paralysent le pays, la communauté germanophone de Belgique tente de trouver sa place dans un état multilingue. Pays de marche fondé lors de la Révolution de 1830, la Belgique a eu du mal à définir ses limites. Si la frontière méridionale avec la France n'est jamais vraiment remise en cause, celles du Nord et de l'Est sont davantage problématiques. La limite septentrionale fut fixée en 1839, lors du traité des XXIV articles de Londres, même si elle a eu du mal à renoncer aux bouches du Rhin ou au Limbourg. La frontière de l'Est reste épineuse. Le Grand Duché de Luxembourg demeure jusqu'à la Deuxième Guerre mondiale une revendication vive du Royaume. Celles de l'Allemagne sont également très critiquées. Pendant tout le XIXe siècle elle fut dans une large mesure largement fantasmée. Elle fut d'abord le cadre d'une expérience politique inédite, le Territoire neutre de Moresnet. Né d'un contentieux du traité de Vienne (1815), ce village et son gisement de cuivre furent coadministrés par le Royaume des Pays-Bas (puis la Belgique à partir de 1830) et la Prusse (devenue Allemagne en 1870). Pendant un siècle, ce territoire neutre réinvente totalement la notion de frontière. En effet, ici il s'agit non pas d'une ligne, mais d'une surface. Entité sans loi bien définie, elle devient un lieu totalement imaginé. Elle fut alors le havre supposé de toutes les canailles de l'Occident (« Far West » européen). Un des premiers casinos à voulu s'y installer. On a même voulu faire de Moresnet le premier territoire espérantiste du monde afin de dépasser les questions linguistiques. Les représentations de la frontière belgo-germanique sont polyformes tout au long du XIXe siècle. On la définit comme une zone de transition avec ses nombreux contrebandiers, une zone interlope (entre deux états, voire entre deux mondes comme en témoigne la présence de vampires), mais aussi une zone de fermeture avec l'avénement de l'Etat-nation et du nationalisme. A partir de 1914, elle devient un enjeu de géopolitique européenne. Il s'agit de la première frontière violée par l'Allemagne en août. Dès la fin du conflit, la Belgique souhaite annexer les districts de Moresnet, d'Eupen et de Malmedy avançant l'argument historique (ils faisaient partie des Pays-Bas espagnols) ou linguistique (Malmedy est largement francophone). A Versailles, la Belgique essaie de se faire entendre en s'appuyant avant tout sur le concours de Georges Clémenceau. Même si la délégation allemande tente de repousser cette annexion, le traité final attribue tous ces districts à la Belgique. Pour la première fois de son histoire le territoire de la Belgique s'étend. Un plébiscite est tout de même organisé en 1920, mais à main levée. L'écrasante majorité des électeurs se prononce pour un rattachement au royaume. Ils deviennent citoyens belges en 1925. Toutefois, la réorientation de cette périphérie vers Bruxelles n'est pas sans poser des problèmes techniques. Pendant les années 20 et 30, cet espace frontalier favorise l'irredentisme allemand, à tel point qu'on le nomme parfois « l'Alsace-Lorraine » belge. Ils sont même intégrés au Reich en 1940. A la fin de la Deuxième Guerre mondiale, ils font définitivement leur retour au territoire belge. L'état fait tout pour intégrer pleinement ces marges et cette communauté pleinement au sein de la société. Dans le cadre des querelles linguistiques et de la question du fédéralisme qui déchirent le royaume, les Germanophones restent discrets. Néanmoins, dans le cadre des lois linguistiques de 1963, une région de langue allemande est créée et reconnue : la Belgique reconnaît trois communautés linguistiques. Pourtant, part entière de la province de Liège, elle s'individualise au sein de la communauté culturelle germanophone de Belgique à partir des années 70 et 80, avec ses propres compétences, son gouvernement, son parlement, ses medias, sa police etc. Souvent loin du centre Bruxellois et de ses problèmes, elle semble davantage se tourner vers l'acteur européen, notamment par l'intermédiaire de l'eurorégion Rhin-Meuse. Ainsi, cette géohistoire de la frontière de l'Est et de la communauté germanophone de Belgique permet une réflexion intéressante sur les limites politiques mais aussi linguistiques à la fois à l'extérieur comme à l'intérieur du pays. Périphérie de la Belgique, elle n'en demeure pas moins un arbitre qui veut jouer pleinement son rôle au sein du Royaume et de l'Europe de demain. [less ▲]

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Peer Reviewed
See detailOPTIMIZATION OF A FULLY AUTOMATED ELECTROPHORETICALLY MEDIATED MICROANALYSIS SYSTEM FOR CYP1A1 ACTIVITY MONITORING
Farcas, Elena ULiege; Servais, Anne-Catherine ULiege; Lamalle, Caroline et al

Conference (2016, October 01)

Objective of the study Since CYP1A1, a member of cytochrome P450 superfamily, has been described to be over expressed in various types of cancer, our study was focused on the optimization of a fully ... [more ▼]

Objective of the study Since CYP1A1, a member of cytochrome P450 superfamily, has been described to be over expressed in various types of cancer, our study was focused on the optimization of a fully automated system for the monitoring of this particularly interesting enzyme. Moreover, the potentiality of this approach to screen CYP1A1 inhibitors was investigated. Materials and methods The experiments were carried out on a HP3DCE system using an on-column DAD. The EMMA procedure was performed by injecting a plug containing the co-factor(NADPH) and the substrate(7-ethoxycoumarin) between two plugs of CYP1A1 supersomes. The reaction was triggered by the application of a voltage switch. The voltage was then turned off to allow the metabolic reaction to occur. The separation of the components was then performed. Results Satisfying results were obtained using CYP1A1 at a concentration of 200 pmol/mL, while the incubation time was settled to 15 min. A DoE was performed to find the best mixing conditions. The amount of metabolite obtained was comparable to the one detected after conventional off-line metabolization. The ability of our system to monitor CYP1A1 inhibition was then proven with apigenin, a well-known CYP1A1 inhibitor. Conclusions The present study describes the development of a fully automatized in-capillary method for CYP1A1 activity monitoring and proves the potentialy of our system to be used for the screening of CYP1A1 inhibitors. The advantages of performing inline metabolization assays are mainly the miniaturization and the automatization of the process. Besides, the reagents consumption is drastically reduced due to the injection of few tens of nanoliters. [less ▲]

Detailed reference viewed: 24 (10 ULiège)
See detailThe Eating Context Drawing Test : clinical implications: a case study of an adolescent obese girl
Lepot, Aurélie ULiege; D'Amore, Salvatore; Onnis, Luigi

Conference (2016, October 01)

Detailed reference viewed: 35 (1 ULiège)
Peer Reviewed
See detailLes compétences écrites des étudiants internationaux et leur évaluation
Meunier, Deborah ULiege; Dezutter, Olivier

Conference (2016, October)

Suite à l’accroissement de la mobilité universitaire internationale, les enseignants universitaires sont de plus en plus souvent confrontés à des nouveaux profils d’apprenants plurilingues dont les ... [more ▼]

Suite à l’accroissement de la mobilité universitaire internationale, les enseignants universitaires sont de plus en plus souvent confrontés à des nouveaux profils d’apprenants plurilingues dont les représentations des normes et des genres discursifs à produire en contexte universitaire peuvent varier, ne pas toujours correspondre à ce qui est attendu dans certains contextes, et donc nuire à la réussite des étudiants. Au-delà de la maitrise du code linguistique propre à la langue d’enseignement, les étudiants mobiles doivent acquérir des compétences discursives liées aux genres écrits rencontrés dans leur cursus (résumé, synthèse, essai,…). Or, on sait depuis les travaux pionniers de Kaplan (1966) que les normes, implicites ou explicites, des genres écrits varient en fonction de la communauté discursive. De même, les nombreux travaux sur les littéracies universitaires ont montré, entre autres, l’influence des disciplines, du niveau d’études (Delcambre et Reuter 2010), de la culture universitaire (Goes et Mangiante 2010, Hamez 2010) dans les pratiques de l’écrit. A partir d’un corpus de 15 entrevues avec des enseignants des départements de Lettres et de Travail social de l’Université de Sherbrooke, nous proposons de comparer les représentations des modèles génériques écrits mobilisés par les enseignants dans deux filières d’études où la « maitrise du français » (une notion à interroger) des étudiants non francophones est perçue comme problématique par ces mêmes enseignants. Les analyses présentées montreront à la fois la diversité des genres écrits valorisés par les enseignants, la variabilité des postures adoptées vis-à-vis de la norme linguistique et de la maitrise de la langue des étudiants, et les difficultés ressenties par les enseignants dans la pratique d’évaluation de l’écrit chez les étudiants dont le français n’est pas la langue première. Enfin, nous pourrons mettre en rapport les postures d’enseignants avec les postures d’étudiants « internationaux » analysées dans une étude antérieure (Meunier 2013). [less ▲]

Detailed reference viewed: 16 (0 ULiège)
See detailQuality Control Laboratories involved in the WHO Prequalification
Marini Djang'Eing'A, Roland ULiege

Conference (2016, October)

Detailed reference viewed: 24 (2 ULiège)