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See detailA time series study during spring transition in the fast ice at Davis station, Antarctica: preliminary resul
Deman, F.; Roukaerts, A.; Delille, Bruno ULg 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 detailLa mise en scène du télétravail : le contrôle managérial au cœur d’un paradoxe entre hypervisibilité et invisibilité
Fox, Fanny ULg; Pichault, François ULg

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 detailSea ice: Source or sink of nitrous oxide?
Kotovitch, Marie ULg; Fripiat, François ULg; Moreau, Sebastien et al

Conference (2016, October 21)

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See detailHighly productive, yet heterotrophic, and still pumping CO2 from the atmosphere: A land fast ice paradigm?
Delille, Bruno ULg; Van der Linden, Fanny ULg; 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 detailMallarmé et le “motif commun”
Durand, Pascal ULg

Conference (2016, October 21)

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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 ULg

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 detailLa pubalgie du sportif - Actualités thérapeutiques conservatrices
Kaux, Jean-François ULg

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 ULg

Conference (2016, October 21)

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

Conference (2016, October 21)

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

Conference (2016, October 21)

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See detailThe Middle Ages: A New Age for the Reception of the Gods of Egypt
Veymiers, Richard ULg

Conference (2016, October 20)

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See detailExistera-t-il encore un CPAS dans dix ans ?
Behrendt, Christian ULg

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.

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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 ULg

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 detailParentalité et précarité : Le lien au cœur des pratiques et des recherches
Halin, Stéphanie; Fohn, Bruno; Glowacz, Fabienne ULg

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 ▲]

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

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 detailEnzensberger et l'institution littéraire
Glorie, Caroline ULg

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 ULg

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 detailCritique de la compilation. Hans Magnus Enzensberger et les nouveaux médias.
Hamers, Jérémy ULg

Conference (2016, October 19)

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

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 detailDry powder of budesonide/hydroxypropyl-beta-cyclodextrin complex for inhalation as a new potential antiasthmatic treatment
Bigazzi, William ULg; 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 ▲]

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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 ULg; Nihant, Brigitte ULg; Leyh, Bernard ULg

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 ▲]

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

Conference (2016, October 15)

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See detailIs there a place for BTR markers in renal osteodystrophy?
DELANAYE, Pierre ULg

Conference (2016, October 15)

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See detailSartre et Merleau-Ponty : les matérialités de la politique
Caeymaex, Florence ULg

Conference (2016, October 15)

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See detailHow to measure renal function?
DELANAYE, Pierre ULg

Conference (2016, October 14)

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See detailMachine monstrueuse. Retour sur l'excès, l'exhibition et le gros plan
Jousten, Lison ULg

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 detailSeasonal changes and steroid control of perineuronal nets in the song control system
Cornez, Gilles ULg; Shevchouk, Olesya ULg; 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 detailTreg, Th17 and γδ T cells during normal and abortive pregnancy
Polese, Barbara ULg; Gridelet, Virginie ULg; Munaut, Carine ULg et al

Conference (2016, October 14)

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See detailThe Terra Mosana Project
Billen, Roland ULg

Conference (2016, October 14)

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See detailA full inference toolbox to measure multivariate relative dispersion
Aerts, Stéphanie ULg; Haesbroeck, Gentiane ULg

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 ▲]

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See detailCase report autour de cristalluries médicamenteuses atypiques
Castiglione, Vincent ULg; GADISSEUR, Romy ULg

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 ▲]

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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 ▲]

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See detailDual action of neuro-estrogens in the regulation of male sexual behavior
Cornil, Charlotte ULg

Conference (2016, October 13)

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See detailCurating Canons of Comics: Daniel Clowes and Art Spiegelman's 'Private' Museums
Crucifix, Benoît ULg

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 ▲]

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See detailLeaving Gauss: extending Gaussian variance bounds to arbitrary targets
Clette, Emilie ULg; Swan, Yvik ULg

Conference (2016, October 13)

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

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

Conference (2016, October 12)

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See detailSemiochemicals to control wireworms
Verheggen, François ULg

Conference (2016, October 12)

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See detailLiège Game Lab Showcase
Dozo, Björn-Olav ULg

Conference (2016, October 11)

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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 ULg; De Clerck, Caroline ULg; 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 ULg; Warnant, René ULg

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 detailCelestina, del personaje reubicado al mito
Francois, Jeromine ULg

Conference (2016, October 10)

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See detailTo Speak, or Not to Speak: That Is the Question. Contrapuntal Shakespearean Intertextuality in Gail Jones's Sorry
Belleflamme, Valérie-Anne ULg

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 ULg

Conference (2016, October 08)

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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 ULg; Lambotte, Jean-Marc ULg; Cools, Mario ULg 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 detailIntroduction
Masson, Christophe ULg

Conference (2016, October 07)

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

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 detailIrrigated food systems in Maradi Republic of Niger: A comparison between operating accounts
Andres, Ludovic ULg; 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 detailShaping (im)mobility: borders, camps, and non-state actors
Da Silva, Amanda Carolina ULg

Conference (2016, October 07)

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

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 ULg; Hermesse, Julie

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 ULg 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 detailLes nouvelles recommandations 2016 dans l’insuffisance cardiaque & Présentation d'une étude de Télémédecine
Troisfontaines, Pierre; D'ORIO, Virginie ULg; 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 ULg; 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 detailDevelopment of polymer-based systems for healthcare applications
Grandfils, Christian ULg

Conference (2016, October 06)

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

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 ULg; Razanajao, Vincent ULg; Sojic, Nathalie ULg

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 ULg 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 ULg; 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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See detailThe Eating Context Drawing Test : clinical implications: a case study of an adolescent obese girl
Lepot, Aurélie ULg; D'Amore, Salvatore; Onnis, Luigi

Conference (2016, October 01)

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See detailOPTIMIZATION OF A FULLY AUTOMATED ELECTROPHORETICALLY MEDIATED MICROANALYSIS SYSTEM FOR CYP1A1 ACTIVITY MONITORING
Farcas, Elena ULg; Servais, Anne-Catherine ULg; 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 ▲]

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See detailIT Manager Crisis Leadership: Do Prescriptions Given for General Management Apply?
Tapanainen, Tommi ULg; Hosoya, Ryuichi; Kamioka, Taro et al

Conference (2016, October)

Earthquakes are destructive events, but can also give opportunities for learning in crisis management for organizational information technology (IT) functions. In their role as stewards of company data ... [more ▼]

Earthquakes are destructive events, but can also give opportunities for learning in crisis management for organizational information technology (IT) functions. In their role as stewards of company data and IT, it is important that IT managers participate in company crisis management activities. However, the role of IT managers in crisis management is not well understood. This paper addresses IT manager actions during the crisis response effort, when appropriate actions need to be taken at short notice. Recognizing that few guidelines exist for IT manager leadership in these situations, we attempt to fit leadership recommendations intended for the general management to five cases of IT manager crisis response activity during earthquakes. We find that several recommendations from this set were relevant also for IT managers, showing that IT managers can learn from crisis response lessons derived from the general management. [less ▲]

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See detailCassini UVIS Auroral Observations in 2016
Pryor, Wayne R.; Jouchoux, Alain; Esposito, Larry et al

Conference (2016, October)

In June of 2016, the Cassini Saturn orbiter began a series of high inclination orbits that will continue until September 2017 when the mission ends as Cassini enters the Saturn atmosphere. These orbits ... [more ▼]

In June of 2016, the Cassini Saturn orbiter began a series of high inclination orbits that will continue until September 2017 when the mission ends as Cassini enters the Saturn atmosphere. These orbits present excellent views of Saturn's polar regions suitable for auroral imaging at the closest distances to date, with the additional prospect of simultaneous particle and fields measurements within the sources of Saturn Kilometric Radiation (SKR) associated with ultraviolet auroral emissions and/or acceleration regions likely coinciding with them. We will present new Cassini Ultraviolet Imaging Spectrograph (UVIS) auroral images, spectra and movies obtained during the summer and fall of 2016 and put them in the context of auroral data collected since Cassini orbit insertion in 2004. Included in the new data will be UVIS south polar observations obtained simultaneously with Hubble Space Telescope observations of the north polar region on June 29, 2016 and August 19, 2016. [less ▲]

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See detailPotential for Composite Analysis in the Black Sea
Capet, Arthur ULg; Mason, Evan; Troupin, Charles et al

Conference (2016, October)

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See detailUV emissions of Jupiter: exploration of the high-latitude regions through the UV spectrograph on NASA's Juno mission
Hue, Vincent; Gladstone, G. Randall; Versteeg, Maarten et al

Conference (2016, October)

The Juno mission offers the opportunity to study Jupiter, from its inner structure to its magnetospheric environment. Juno was launched on August 2011 and its Jupiter orbit insertion (JOI) planned for ... [more ▼]

The Juno mission offers the opportunity to study Jupiter, from its inner structure to its magnetospheric environment. Juno was launched on August 2011 and its Jupiter orbit insertion (JOI) planned for July 4th 2016, will place Juno in a 53.5 days capture orbit. A period reduction maneuver will be performed two orbits later to place Juno into 14-days elliptical orbits for the duration of the nominal mission, which includes 36 orbits. Juno-UVS is a UV spectrograph with a bandpass of 70 ≤ λ ≤ 205 nm, designed to characterize Jupiter UV emissions. One of the main additions of UVS compared to its predecessors is a 2.54 mm tantalum shielding, to protect it from the harsh radiation environment at Jupiter, and a scan mirror, to allow for targeting specific auroral regions during perijove passes. The scan mirror is located at the front end of the instrument and will be used to look at +/- 30° perpendicular to the Juno spin plane. The entrance slit of UVS has a dog-bone shape composed by three sections with field of views of 0.2°x2.5°, 0.025°x2.0° and 0.2°x2.5°, as projected onto the sky. It will provide new constraints on Jupiter’s auroral nightside morphology and spectral features as well as the vertical structure of these emissions. It will bring remote-sensing constraints for the onboard waves and particle instruments (JADE, JEDI, Waves and MAG). The ability to change the pointing will allow relating the observed UV brightness of the regions magnetically connected to where Juno flies with the particles and waves measurements. We will discuss the planned observations and scientific targets for the nominal mission orbital sequence, which will consist of three UV datasets per orbit. We will present the results from the first orbit. As Juno orbit evolves during the mission, we will also present how these objectives evolve over time. [less ▲]

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See detailUsing PCB signatures and enantiomer fractions for source identification and to age date exposure
Megson, D; Focant, Jean-François ULg; Patterson, D et al

Conference (2016, October)

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See detailA review of Silurian dispersed spore assemblages from the Arabian Plate: biostratigraphy and palaeogeography
Wellman, CH; Steemans, Philippe ULg; Breuer, P et al

Conference (2016, October)

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See detailOceanBrowser: on-line visualization of gridded ocean data and in situ observations
Barth, Alexander ULg; Watelet, Sylvain ULg; Troupin, Charles et al

Conference (2016, October)

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See detailJuno Ultraviolet Spectrograph (Juno-UVS) Observations of Jupiter during Approach
Gladstone, G. Randall; Versteeg, Maarten; Greathouse, Thomas K. et al

Conference (2016, October)

We present the initial results from Juno Ultraviolet Spectrograph (Juno-UVS) observations of Jupiter obtained during approach in June 2016. Juno-UVS is an imaging spectrograph with a bandpass of 70<λ<205 ... [more ▼]

We present the initial results from Juno Ultraviolet Spectrograph (Juno-UVS) observations of Jupiter obtained during approach in June 2016. Juno-UVS is an imaging spectrograph with a bandpass of 70<λ<205 nm. This wavelength range includes all important ultraviolet (UV) emissions from the H<SUB>2</SUB> bands and the H Lyman series which are produced in Jupiter's auroras, and also the absorption signatures of aurorally-produced hydrocarbons. The Juno-UVS instrument telescope has a 4 x 4 cm<SUP>2</SUP> input aperture and uses an off-axis parabolic primary mirror. A flat scan mirror situated near the entrance of the telescope is used to observe at up to ±30° perpendicular to the Juno spin plane. The light is focused onto the spectrograph entrance slit, which has a "dog-bone" shape 7.2° long, in three sections of 0.2°, 0.025°, and 0.2° width (as projected onto the sky). Light entering the slit is dispersed by a toroidal grating which focuses UV light onto a curved microchannel plate (MCP) cross delay line (XDL) detector with a solar blind UV-sensitive CsI photocathode. Tantalum surrounds the spectrograph assembly to shield the detector and its electronics from high-energy electrons. All other electronics are located in Juno's spacecraft vault, including redundant low-voltage and high-voltage power supplies, command and data handling electronics, heater/actuator electronics, scan mirror electronics, and event processing electronics. The purpose of Juno-UVS is to remotely sense Jupiter's auroral morphology and brightness to provide context for in situ measurements by Juno's particle instruments. Prior to Jupiter Orbit Insertion (JOI) on July 5, Juno approach observations provide a rare opportunity to correlate local solar wind conditions with Jovian auroral emissions. Some of Jupiter's auroral emissions (e.g., polar emissions) may be controlled or at least affected by the solar wind. Here we compare synoptic Juno-UVS observations of Jupiter's auroral emissions (~40 minutes per hour, acquired during 2016 June 3-30) with in situ solar wind observations, as well as related Jupiter observations obtained from Earth. [less ▲]

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See detailUn chantier de modernisation des contextes de travail: le "New Way of Working" dans une compagnie d'assurances
Jemine, Grégory ULg

Conference (2016, October)

Dans les réflexions récentes portant sur l’organisation du travail en entreprise, nombreux sont les auteurs qui s’intéressent à la question des « nouvelles formes d’organisation ». Sous cette appellation ... [more ▼]

Dans les réflexions récentes portant sur l’organisation du travail en entreprise, nombreux sont les auteurs qui s’intéressent à la question des « nouvelles formes d’organisation ». Sous cette appellation se rassemblent des courants aux dénominations différentes (entreprise libérée, entreprise virtuelle, « holacracie »…) partageant cependant des principes fondateurs communs (tels que la flexibilité, l’autonomie du collaborateur ou encore la digitalisation des pratiques de travail). A travers une étude de trois mois au sein d’un département de protection juridique d’une importante compagnie d’assurances située à Bruxelles, nous étudions un projet de changement basé sur le « New Way of Working » (NWoW) – un chantier managérial se développant principalement aux Pays-Bas et en Belgique depuis une dizaine d’années, proposant une « nouvelle » vision des travailleurs dans le secteur tertiaire. Nous rendons compte des trois composantes clés du projet NWoW telles qu'il est problématisé dans notre étude de cas: les Bricks (travail en open-space, bureaux flexibles, travail à distance), les Bytes (nouveaux outils numériques, travail sans papier, connectivité) et les Behaviors (autonomie et responsabilité des collaborateurs, passage du contrôle à la confiance). Nous concluons par une réflexion structurée autour des "4C": dans ces nouveaux environnements de travail, de nouvelles questions émergent en termes de confiance, de contrôle, de cohésion et de coordination. [less ▲]

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See detailQuality Control Laboratories involved in the WHO Prequalification
Marini Djang'Eing'A, Roland ULg

Conference (2016, October)

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See detailSmall-angle scattering analysis of empty or loaded hierarchical porous materials
Gommes, Cédric ULg

Conference (2016, October)

Small-angle scattering (SAXS or SANS) is one of the few experimental methods available for the nanometer-scale study of physicochemical phenomena inside porous solids. Its potential, however, is often ... [more ▼]

Small-angle scattering (SAXS or SANS) is one of the few experimental methods available for the nanometer-scale study of physicochemical phenomena inside porous solids. Its potential, however, is often limited by the lack data analysis methods to convert scattering data into real-space structural information. This is notably the case for most porous materials of practical interest, which exhibit a hierarchical structure with micro, meso, and macropores, with often a secondary material confined in the pores, such as in supported catalysts, as well as fuel-cell and battery materials. Here, we discuss a general SAXS data analysis methodology for this type of material. Assuming that each structural level is statistically independent from the others and has a distinct characteristic length scale, compact mathematical expressions are derived for the scattering of the entire hierarchical structure [J.Phys.Chem.C, in press]. The method is illustrated with the SAXS analysis of SBA-15 micro- and meso-porous silica loaded with copper nitrate, as well as to supported catalysts obtained after calcining that material. The SAXS analysis shows that the nitrate permeates both the micro and mesopores, while the metallic copper obtained after calcination is found only in the mesopores. Moreover, the spatial distribution of the metal depends on the specifics of the calcination, as confirmed by electron tomography [Angew.Chem. 54 (2015) 11804]. The general methodology will be of interest to anyone interested in the quantitative analysis of small-angle scattering data from empty or loaded porous solids, and from any type of hierarchical material. [less ▲]

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See detailWavelet series representations for pathwise Young integrals
Esser, Céline ULg

Conference (2016, October)

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See detailMise en oeuvre de l'intermédialité dans l'élaboration d'un théâtre politique
Delhalle, Nancy ULg

Conference (2016, October)

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See detailPrésentation de l'Atlas national de Belgique - versions 1 à 3 et version numérique
Van Hecke, Etienne; Binard, Marc ULg; Donnay, Jean-Paul ULg

Conference (2016, September 30)

This presentation is divided into 3 parts: The "paper" version of the National Atlas, from the first to the third edition. The digital version of the National Atlas. A presentation of Geomatics Unit of ... [more ▼]

This presentation is divided into 3 parts: The "paper" version of the National Atlas, from the first to the third edition. The digital version of the National Atlas. A presentation of Geomatics Unit of the University of Liege, and its role in the realization of the 3rd edition of the National Atlas and its digital version. [less ▲]

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See detailRésultats d'une enquête sur la diffusion des thèses en droit
Bouhon, Frédéric ULg

Conference (2016, September 30)

Cette interviention, destinée aux doctorants et aux jeunes docteurs en droit, visait à présenter les résultats d'une enquête menée par l'auteur sur la diffusion des thèses en droit. Il s'agissait de ... [more ▼]

Cette interviention, destinée aux doctorants et aux jeunes docteurs en droit, visait à présenter les résultats d'une enquête menée par l'auteur sur la diffusion des thèses en droit. Il s'agissait de présenter les tendances suivies par les docteurs récemment diplômés dans les facultés de droit de Belgique francophone. L'intervention a été suivie d'un débat avec le public ainsi qu'avec des éditeurs présents. [less ▲]

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See detailTransition to parenthood of lesbian parents: key processes and clinical implications
Scali, Thérèse ULg; D'Amore, Salvatore ULg; Haxhe, Stéphanie ULg et al

Conference (2016, September 29)

The transition to parenthood is a key process for understanding the development of family relationships in a systemic perspective. This process has been studied mostly in heterosexual families but very ... [more ▼]

The transition to parenthood is a key process for understanding the development of family relationships in a systemic perspective. This process has been studied mostly in heterosexual families but very few studies focus on families with same-sex families. This exploratory study analyzes the key passages of the transition from 17 lesbian headed families through a quantitative analysis of socio-demographic data, information about the coming-out, pair formation, project of the child, the child's arrival, as well as social and cultural pressures towards family and stressors. The main results show that the decision making to become parents is generally harmonious (70%) between the members of the couple, and only a few had substantial conflicts (17,1%). Moreover, the motivation to become parents seems to be stronger for the mother who carried the child (57, 1%)than for the social mother. The majority of the lesbian mothers reported no medical homophobia (64,3%) Regarding the caregiving tasks, they seem to be equally shared between social and biological mothers. In regards to the child, almost 70% are aware of their parents’ sexual orientation (as only 5.7% are not fully aware). Finally, no changes in the quality of relationship with the family of origin have been found after the birth of the baby. Clinical implications of these results will be discussed. [less ▲]

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See detailProphéties, lyrisme et chevalerie. Portrait de Jacques Le Gros, bourgeois de Paris († 1551)
Lambert, Adélaïde ULg

Conference (2016, September 29)

Notre communication consistait à analyser les documents qui encadrent la fresque épique Gerard du Frattre dans le manuscrit unique Paris, BnF, fr. 12791, copié intégralement de la main de Jacques Le Gros ... [more ▼]

Notre communication consistait à analyser les documents qui encadrent la fresque épique Gerard du Frattre dans le manuscrit unique Paris, BnF, fr. 12791, copié intégralement de la main de Jacques Le Gros, un marchand de soie parisien. Outre la table des matières de Gerard du Frattre, ce corpus est notamment composé d’un inventaire de la bibliothèque de Jacques Le Gros, de prophéties portant sur des événements politiques contemporains (entre autres, sur les guerres opposant François Ier à Charles Quint), de pièces de vers amoureuses, satiriques ou pieuses, d’un placard affiché sur les portes de Notre-Dame, etc. Copiés entre 1525 et 1545 puis rassemblés dans un même codex, ces documents constituent un témoignage exceptionnel sur les intérêts d’un bourgeois de Paris et, plus largement, sur ceux du public des réécritures médiévales, durant la première moitié du XVIe siècle. En guise de prolongement, les résultats de notre enquête pourront alimenter la question de l’influence qu’a pu exercer le contexte politique et social du début du siècle sur la refonte des légendes médiévales : les pièces qui accompagnent Gerard du Frattre peuvent-elles être considérées comme des éléments paratextuels susceptibles d’orienter l’interprétation de la fiction placée au centre du manuscrit ? [less ▲]

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See detailUsing a dynamic vegetation model for future projections of crop yields: simulations from the plot scale to the Belgian and European scales
Jacquemin, Ingrid ULg; Dury, Marie ULg; Henrot, Alexandra-Jane ULg et al

Conference (2016, September 29)

Dynamic vegetation models (DVM), such as CARAIB (“CARbon Assimilation In the Biosphere”) were initially designed to describe the dynamics of natural ecosystems as a function of climate and soil with the ... [more ▼]

Dynamic vegetation models (DVM), such as CARAIB (“CARbon Assimilation In the Biosphere”) were initially designed to describe the dynamics of natural ecosystems as a function of climate and soil with the aim of studying the role of vegetation in the carbon cycle. But their characteristics allow numerous other applications and improvements, such as the development of a crop module. This module can be validated at the plot scale, with the use of eddy-covariance data from agricultural sites in the FLUXNET network. The carbon fluxes (e.g., net ecosystem exchange (NEE), gross primary productivity (GPP)) and the evapotranspiration (ET) simulated with the CARAIB model are compared with the fluxes measured at several sites, in order to cover a maximum number of crop types (winter wheat/barley, sugar beets, potatoes, rapeseed,…) and to evaluate the model for different European regions (Belgium, France, Germany,…). The aim of this validation is to assess the model ability to reproduce the seasonal and inter-annual variability of carbon fluxes. In order to assess the spatial variability of the model, CARAIB will be applied over Belgium and forced with the outputs the regional climate model ALARO (4 km resolution), for the recent past and the decennial projections. To reach the larger scale, we also aim to assess crops yields over Europe and to quantify the uncertainties in the climatic projections. CARAIB will be driven with the outputs of different regional climatic models (RCMs), nested in CMIP5 GCM projections for the EURO-CORDEX project: ALADIN53 (Météo-France/CNRM), RACMO22E (KNMI), RCA4 (SMHI) and REMO2009 (MPI-CSC) RCMs. These climatic projections are at a high spatial resolution (0.11-degree, ≈12 km). The model will be set up for the most common crops in Europe and for simulations tests with marginal and/or new crops. Finally, this simulation ensemble will be used to highlight potential changes in the most productive areas of Europe. [less ▲]

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See detailStructure of the classe D β-lactamase OXA-29, an original dimer
Kerff, Frédéric ULg

Conference (2016, September 29)

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