References of "Scientific congresses and symposiums"
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See detailFoot identification from digital 3D models of lion tracks and paws
Marchal, Antoine ULg; Lejeune, Philippe ULg; De Bruyn, Nico

Conference (2016, March 15)

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See detailOpening risk gouvernance with a vigilance system: lessons learned from the Blue Tongue Virus outbreak in 2006
Fallon, Catherine ULg

Conference (2016, March 14)

This contribution results from a field research by a multidisciplinary group of veterinary and political scientists and gives an analyses of the transformations of an epidemiosurveillance governance ... [more ▼]

This contribution results from a field research by a multidisciplinary group of veterinary and political scientists and gives an analyses of the transformations of an epidemiosurveillance governance system dedicated to animal diseases, when confronted to new emerging threats in the wake of global changes (Fallon et al., in Vertigo 12(3) 2012) . The research field refers to the emergence of bluetongue virus serotype 8 in 2006 in Belgium and it mobilises the results of a survey based on Delphi method involving relevant public servants and scientists, which showed that most of the means proposed by the authorities are based on the logic of known risk management. However we can identify attempts for renewal and organisational learning, especially with the proposal of a new vigilance system, which allows open discussion and reporting through the decision process. In terms of prevention and anticipation of the adverse event), these changes are intended to accommodate the surveillance system reactivity against uncertain and unforeseen events. We question the problems faced by this transformation and its potential for enriching and reconfiguring the conceptualisation of risk management which is currently dominant in the sector. Finally the article identifies two drivers for change in the governance network : by admitting the persistence of unavoidable cognitive uncertainty and by recognizing the importance for opening up arenas of expert knowledge. [less ▲]

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See detailGetting on Board but How? Conflicting Perspectives on the Role of the Social Sciences and Humanities in Radiation Protection
Van Oudheusden, Michiel ULg; Rossignol, Nicolas ULg; Perko, Tanja et al

Conference (2016, March 14)

In Europe, science research policy is predicated on the understanding that science and technology (S&T) serve societal needs. Accordingly, European Framework Programs urge scientists and technologists to ... [more ▼]

In Europe, science research policy is predicated on the understanding that science and technology (S&T) serve societal needs. Accordingly, European Framework Programs urge scientists and technologists to give due attention to societal and ethical aspects of S&T, and to engage with social scientists and humanists when doing research and reaching out to society. Starting from these policy prescriptions and from invitations from befriended life scientists to "get on board," we explore the terms of our involvement as social scientists and humanists in a European Joint Program on radiation protection research (EJP-CONCERT). We illuminate recurring tensions between instrumental, normative, and substantive perspectives on the role of the social sciences and humanities (SSH) in radioprotection research and nuclear S&T. Our aim is to shed light on the controversial and contingent nature of integrating SSH into nuclear S&T, as actors articulate divergent assumptions and expectations about SSH and society. These expectations pertain to the value of SSH research for S&T, issues of trust and legitmacy, and different perspectives on risk and uncertainty. By rendering these tensions explicit we seek to probe the implications for SSH of developing a separate SSH Strategic Research Agenda (SRA) within radiation protection research. [less ▲]

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See detailThe roads of colouring materials: from sources to residues
Pradeau, Jean-Victor; Dayet, Laure; Salomon, Hélène ULg

Conference (2016, March 11)

Economic systems and social relationships gain an increasing complexity in prehistoric periods. Despite their symbolic value and their informative potential in these issues, colouring materials (“ochre” ... [more ▼]

Economic systems and social relationships gain an increasing complexity in prehistoric periods. Despite their symbolic value and their informative potential in these issues, colouring materials (“ochre”, iron oxi(hydrxi)des, cinnabar, etc.) had received scant attention compare to obsidian, flint, metals or igneous rocks. Since the 2000’s, trace elemental analysis (PIXE, XRF, INAA, ICP-MS) and petrographic studies give keys to collect gitological and sourcing data. This methodology has recently improved quantitative knowledge on colouring material’s acquisition modalities and on global technic system itself. Contrasting situations are indeed highlight: archaeological corpus may consist of several raw colouring materials, unequally shared, providing from site range, close diffusion area or far diffusion area. Furthermore, the status of the different geomaterials, the diffusion modalities – direct acquisition, direct or indirect exchanges – and the identity of exporters, transporters and receivers (if any) stay unclear. Two main topics should liven up this session: a fruitful debate on different methodologies depending on geographical contexts and diachronic revue of colouring material procurement through the lens of cultural contexts and site’s status. [less ▲]

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See detailAgeism and communication in oncology
Schroyen, Sarah ULg; Adam, Stéphane ULg; Marquet, Manon ULg et al

Poster (2016, March 11)

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See detailL'ENMG...c'est le pied
WANG, François-Charles ULg

Conference (2016, March 10)

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See detailTransient neonatal diabetes mellitus due to paternal uniparental disomy of chromosome 6.
FUDVOYE, Julie ULg; Farhat, Khaldoun; Nicolescu, Ramona

Conference (2016, March 10)

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See detailThe Macroeconomics of PAYG Pension Schemes in an Ageing Society
Artige, Lionel ULg

Conference (2016, March 10)

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See detailIntroduction au séminaire
Francois, Jeromine ULg; Regibeau, Julien ULg

Conference (2016, March 09)

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See detailSpecialization SIAMU : past, present and future
Servotte, Jean-Christophe ULg

Conference (2016, March 08)

Présentation de l'histoire de la spécialisation SIAMU avec un focus sur la simulation.

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See detailMOOCs in business administration - An overview of assessment practice
Gherib, Camelia; Dujardin, Jean-Marie ULg; Verpoorten, Dominique ULg

in Proceedings of the Conference of the European Association for Practitioner Research on Improving Learning (EAPRIL) 2015, Issue 2 (2016, March 07)

The study explores 31 MOOCs in the field of business administration, equipped with a conceptual framework documenting 18 facets of assessment design. As a second step, the data collected on 3 MOOCs about ... [more ▼]

The study explores 31 MOOCs in the field of business administration, equipped with a conceptual framework documenting 18 facets of assessment design. As a second step, the data collected on 3 MOOCs about assessment is submitted to university members in charge of external courses accreditation procedures in order to ascertain its possible influence on their decision to credit a MOOC or not. Main results indicate that, a) the typical profile of the assessment procedure for MOOCs in business administration is: QCM-based, automatic, continuous, individual, product-centred, standardized, b) secure ways (proctoring, test-centres) to warrant learners’ identity for the tests can already be found in some MOOCs of this field, and c) concerns of course accreditors bear first and foremost on these student authentication aspects. [less ▲]

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See detailMOOCs in business administration - An overview of assessment practice
Gherib, Camelia; Dujardin, Jean-Marie ULg; Verpoorten, Dominique ULg

in Proceedings of the Conference of the European Association for Practitioner Research on Improving Learning (EAPRIL) 2015, Issue 2 (2016, March 07)

The study explores 31 MOOCs in the field of business administration, equipped with a conceptual framework documenting 18 facets of assessment design. As a second step, the data collected on 3 MOOCs about ... [more ▼]

The study explores 31 MOOCs in the field of business administration, equipped with a conceptual framework documenting 18 facets of assessment design. As a second step, the data collected on 3 MOOCs about assessment is submitted to university members in charge of external courses accreditation procedures in order to ascertain its possible influence on their decision to credit a MOOC or not. Main results indicate that, a) the typical profile of the assessment procedure for MOOCs in business administration is: QCM-based, automatic, continuous, individual, product-centred, standardized, b) secure ways (proctoring, test-centres) to warrant learners’ identity for the tests can already be found in some MOOCs of this field, and c) concerns of course accreditors bear first and foremost on these student authentication aspects. [less ▲]

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See detailCardio-pulmonary mechanics and minimal modelling in critical care
de Bournonville, Sébastien; Pironet, Antoine ULg; Desaive, Thomas ULg et al

in 14th Belgian Day on Biomedical Engineering (2016, March 04)

Detailed reference viewed: 13 (1 ULg)
See detailCardio-pulmonary mechanics and minimal modelling in critical care
de Bournonville, Sébastien; Pironet, Antoine ULg; Desaive, Thomas ULg et al

Poster (2016, March 04)

Detailed reference viewed: 9 (1 ULg)
Peer Reviewed
See detailPropositions pour penser la notion d'erreur en photographie
Havelange, Carl ULg

Conference (2016, March 04)

Detailed reference viewed: 14 (0 ULg)
Peer Reviewed
See detailRepeated Behavioral Assessments in Patients with Disorders of Consciousness
Wannez, Sarah ULg; Annen, Jitka ULg; Aubinet, Charlène ULg et al

Conference (2016, March 04)

The Coma Recovery Scale Revised (CRS-R) is considered as the most sensitive scale to assess patients with disorders of consciousness (DOC). Guidelines recommend repeated assessments because patients might ... [more ▼]

The Coma Recovery Scale Revised (CRS-R) is considered as the most sensitive scale to assess patients with disorders of consciousness (DOC). Guidelines recommend repeated assessments because patients might suffer from consciousness fluctuations, but it is not specified how many assessments are needed. The present study included 131 patients with DOC. They have been assessed at least 6 times during a 14-days period with the CRS-R. Results show that 5 CRS-R assessments are needed to reach a reliable diagnosis, and that all the CRS-R subscales are influenced by consciousness fluctuations. We here showed that consciousness fluctuations influence the behavioral diagnosis, and that 5 assessments within a short period of time are needed to get a reliable clinical diagnosis. [less ▲]

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See detailParameter Correlation Analysis in Four Mathematical Models of Left Ventricular Relaxation
Pironet, Antoine ULg; MORIMONT, Philippe ULg; Dauby, Pierre ULg et al

in 14th Belgian Day on Biomedical Engineering (2016, March 04)

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See detailEuthanasie et don d'organes
DETRY, Olivier ULg

Conference (2016, March 04)

Detailed reference viewed: 36 (3 ULg)
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See detailRelative positioning with Galileo E5 AltBOC code measurements
Deprez, Cécile ULg

Conference (2016, March 03)

Depuis une dizaine d’années, l’Europe développe son propre système de positionnement par satellites (ou Global Navigation Satellites System (GNSS) en anglais), connu sous le nom de Galileo. À la pointe de ... [more ▼]

Depuis une dizaine d’années, l’Europe développe son propre système de positionnement par satellites (ou Global Navigation Satellites System (GNSS) en anglais), connu sous le nom de Galileo. À la pointe de la technologie, les horloges atomiques embarquées à bord de ses satellites ainsi que les signaux transmis par ces derniers sont extrêmement prometteurs dans beaucoup de domaines. Bien que toujours en phase de test à l’heure actuelle, ce système a déjà conduit à de premières mesures, notamment en matière de positionnement. Parmi ces nouvelles technologies, un signal en particulier semble très prometteur : Galileo E5, aussi appelé Galileo E5a+b ou encore Galileo E5 AltBOC. Ce signal permet d’effectuer des mesures de code et de phase plus précises. Il est également moins sensible au multi-trajet. Grâce à ses caractéristiques innovantes, Galileo E5 devrait permettre d’estimer des positions avec une précision supérieure à tous les autres signaux utilisés aujourd’hui. Une étude comparative des positions estimées avec les systèmes GPS (américain) et Galileo (européen) sur leurs différentes fréquences émises (GPS L1, GPS L2, GPS L5 pour GPS et Galileo E1, Galileo E5a, Galileo E5b et Galileo E5 AltBOC pour Galileo) a été menée dans ce mémoire. Pour ce faire, une combinaison d’observations appelée double différence (DD) est utilisée sous différentes configurations (ligne de base nulle (ZB), courte (SB) et moyenne (MB)) de récepteurs GNSS. Les récepteurs utilisés appartiennent à l’Université de Liège (2 récepteurs Trimble NetR9, 1 récepteur Septentrio XS et un récepteur Septentrio X4). Il ressort de cette étude que Galileo E5 AltBOC présente les observations les plus précises (en ZB, toutes sources d’erreurs éliminées). L’analyse démontre également qu’une précision de l’ordre de quelques décimètres sur la position à déterminer peut être atteinte avec les codes transmis par le signal Galileo E5, et ce jusqu’à 25 kilomètres de distance. [less ▲]

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See detailMetamorphosing cultural patterns: Cassirer in the steps of Warburg on Culture Theory
Hagelstein, Maud ULg

Conference (2016, March 03)

My argument stems from a reading of the fifth study in Cassirer’s The Logic of the Cultural Sciences (1942), devoted to the “Tragedy of Culture.” I contend that this fifth study resolves an observable ... [more ▼]

My argument stems from a reading of the fifth study in Cassirer’s The Logic of the Cultural Sciences (1942), devoted to the “Tragedy of Culture.” I contend that this fifth study resolves an observable indecision in Cassirer’s position on cultural productions: to lead man toward greater happiness and freedom, should one strive to uphold traditional forms, or should one abandon old models and create new ones? I believe that Cassirer’s consideration of art historian Aby Warburg’s works (1866-1929) constitutes a defining moment in understanding his answer to that question. This fifth study illustrates the profound impact of Warburg’s model for understanding culture on Cassirer’s philosophy. Contrary to the claims of some exegetes, Cassirer and Warburg’s theoretical positions on the matter are very close. Cassirer’s treatment of the reception of artistic forms (he argues that form reception is never merely a passive act) follows, point by point, Warburg’s theory of the survival (Nachleben) of artistic motifs. [less ▲]

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See detailSalon de la géomatique F.I.G. 2016 - Saint-Dié
Donnay, Jean-Paul ULg

Conference (2016, March 03)

Le Festival International de la Géographique (FIG) est organisé depuis 1990 à Saint-Dié-des-Vosges. Il accueille chaque année quelque 50.000 visiteurs et rassemble tant les spécialistes internationaux et ... [more ▼]

Le Festival International de la Géographique (FIG) est organisé depuis 1990 à Saint-Dié-des-Vosges. Il accueille chaque année quelque 50.000 visiteurs et rassemble tant les spécialistes internationaux et que les simples amateurs de culture et d’animation. Conférences, débats, tables rondes, cafés géographiques, expositions, foire du livre, salon de la géomatique, films… tout dans la ville et durant 3 jours est consacré – gratuitement – à la présentation des dernières découvertes de la recherche scientifique en géographie. Chaque année, un pays invité est à l’honneur. En 2016, c’est la Belgique ; de sorte que les chercheurs, les enseignants et les entreprises publiques et privées belges sont spécialement invités à participer à cette manifestation. La présentation faite durant la journée BeGeo du 3 mars à Bruxelles aura pour but de présenter les conditions de participation et d’inviter les partenaires belges au Salon de la Géomatique organisé durant le Festival International de la Géographie du 30 septembre au 2 octobre 2016. [less ▲]

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See detailAnticoherence of spin states with point-group symmetries
Baguette, Dorian ULg; Damanet, François ULg; Giraud, Olivier et al

Poster (2016, March 02)

We investigate multiqubit permutation-symmetric states with maximal entropy of entanglement. Such states can be viewed as particular spin states, namely anticoherent spin states. Using the Majorana ... [more ▼]

We investigate multiqubit permutation-symmetric states with maximal entropy of entanglement. Such states can be viewed as particular spin states, namely anticoherent spin states. Using the Majorana represen- tation of spin states in terms of points on the unit sphere, we analyze the consequences of a point-group symmetry in their arrangement on the quantum properties of the corresponding state [1]. We focus on the identi cation of anticoherent states (for which all reduced density matrices in the symmetric subspace are maximally mixed) associated with point-group-symmetric sets of points. We provide three di erent characterizations of anticoherence and establish a link between point symmetries, anticoherence, and classes of states equivalent through stochastic local operations with classical communication. We then in- vestigate in detail the case of small numbers of qubits and construct in nite families of anticoherent states with point-group symmetry of their Majorana points, showing that anticoherent states do exist to arbitrary order. [1] D. Baguette et al., Phys. Rev. A 92, 052333 (2015). [less ▲]

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See detailReversal of Long-Term Trends in Ethane Identified from the Global Atmosphere Watch Reactive Gases Measurement Network
Helmig, Detlev; Buchmann, Brigitte; Carpenter, Lucy et al

Poster (2016, March 02)

Reactive gases play an important role in climate and air pollution issues. They control the self-cleansing capability of the troposphere, contribute to air pollution and acid deposition, regulate the ... [more ▼]

Reactive gases play an important role in climate and air pollution issues. They control the self-cleansing capability of the troposphere, contribute to air pollution and acid deposition, regulate the lifetimes and provide tracers for deciphering sources and sinks for greenhouse gases. Within GAW, the focus is placed on long-term, high-quality observations of ozone (O3), carbon monoxide (CO), volatile organic compounds (VOC), nitrogen oxides (NOx), and sulfur dioxide (SO2). More than 100 stations worldwide carry out reactive gases measurements with data reported to two World Data Centers. The reactive gases program in GAW cooperates The WMO GAW Reactive Gases Program with regional networks and other global monitoring initiatives in order to attain a complete picture of the tropospheric chemical composition. Observations are being made by in-situ monitoring, measurements from commercial routine air-crafts (e.g. IAGOS), column observations, and from flask sampling networks. Quality control and coordination of measurements between participating stations are a primary emphasis. GAW reactive gases data in rapid delivery mode are used to evaluate operational atmospheric composition forecasts in the EU Copernicus Atmospheric Monitoring Service. Oversight of the program is provided by GAW-WMO coordinated Reactive Gases Scientific Advisory Committee (RG-SAG). [less ▲]

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See detailEvaluer les connaissances et savoir-faire en matière de recherche d’informations scientifiques : comment faire avec de grands groupes d’étudiants en bachelier ?
Vandenput, Sandrina ULg; Crahay, Vinciane ULg; Piazza, Aurélie ULg et al

Conference (2016, March 01)

Au terme du cours consacré à la recherche d’informations scientifiques - au programme des bacheliers de la Faculté de Médecine vétérinaire et de la Faculté de Psychologie, Logopédie et des Sciences de ... [more ▼]

Au terme du cours consacré à la recherche d’informations scientifiques - au programme des bacheliers de la Faculté de Médecine vétérinaire et de la Faculté de Psychologie, Logopédie et des Sciences de l’Éducation (Université de Liège) - les étudiants doivent avoir une vue d’ensemble de la publication scientifique et être capables de (i) mener de manière autonome une recherche d’informations et (ii) de citer correctement leurs sources en respectant des normes bien précises lors de la rédaction de documents. L’évaluation de ce cours est contraignante car il s’agit de cohortes d’étudiants de plus en plus grandes (> 300 étudiants par cursus). Comment évaluer les connaissances ainsi que les savoir-faire de grands groupes d’étudiants ? Jusqu’alors l’examen se composait de questions ouvertes et nécessitait que chaque étudiant ait à sa disposition un ordinateur connecté à Internet. Cette méthode requérait une logistique importante avant et pendant l’examen ainsi que des semaines de correction. Plusieurs alternatives à cette évaluation ont alors été envisagées : travail individuel, travail de groupe, questionnaire à choix multiple… mais elles ne répondaient pas aux exigences fixées par les compétences à évaluer. La piste retenue pour cette nouvelle année académique reste contraignante du point de vue organisationnel (ordinateur pour chaque étudiant) mais permet une correction standardisée, automatisée, fiable et rapide. En effet, le questionnaire combine désormais des questions à choix multiple (QCM ; jusqu’à 9 propositions de réponses) et des questions à choix large (QCL ; jusqu’à 999 propositions). Le QCL présente l’avantage d’être proche de l’évaluation à l’aide de questions ouvertes sans les désavantages de la correction. Nous proposons de présenter ce dispositif évaluatif ainsi que ses avantages et inconvénients par rapport à d’autres méthodes d’évaluation. [less ▲]

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See detailLe manuel : pourquoi ? comment ?
Pochet, Bernard ULg

Conference (2016, March 01)

The aim of this communication is to present the objective the tools used to perform, meet objectives and overcome technical constraints

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See detailInfection expérimentale de porcs, par voie intraveineuse ou orale, avec une souche du virus de l’hépatite E (HEV) de sanglier, une souche de HEV porcine et une souche de HEV de sanglier préalablement passée en modèle porcin
Thiry, Damien ULg; Rose, Nicolas; Mauroy, Axel ULg et al

Poster (2016, March)

La transmission zoonotique du HEV est particulièrement mise en cause dans les pays développés dans lesquels la transmission via les eaux usées est beaucoup moins fréquente que dans les pays en voie de ... [more ▼]

La transmission zoonotique du HEV est particulièrement mise en cause dans les pays développés dans lesquels la transmission via les eaux usées est beaucoup moins fréquente que dans les pays en voie de développement. Des séroprévalences élevées sont observées chez certaines espèces animales dans plusieurs pays européens. Cette étude a porté sur la transmission potentielle au porc d\'une souche de HEV provenant du sanglier (WbHEV) par inoculation intraveineuse ou par voie orale et sur l’étude des conséquences de l’infection du porc par une souche de WbHEV, une souche de WbHEV précédemment passée chez le porc et une souche porcine de HEV après inoculation orale. Tout d\'abord, une infection par voie intraveineuse a été réalisée au cours de laquelle cinq porcelets ont été répartis en deux groupes. Le premier était constitué de trois porcs inoculés avec du WbHEV et le second, de deux porcs inoculés avec un foie de porc négatif envers le HEV. Tous les porcs ont été euthanasiés et autopsiés 8, 9 et 10 jours après l’inoculation. Cette première expérience avait pour objectif d’obtenir suffisamment de virus en vue de réaliser les inoculations par voie orale. Elle a également permis d’étudier l’infectivité d’une souche de HEV-3 provenant du sanglier chez le porc. Ensuite, une infection par voie orale a été réalisée sur 12 porcelets répartis en 4 groupes inoculés respectivement avec une souche de WbHEV, une souche de WbHEV précédemment passée chez le porc, une souche porcine de HEV et un foie de porc HEV négatif. Cette expérience a duré 56 jours. Les échantillons récoltés ont ensuite été analysés par qRT-PCR, ELISA, Western blot et histopathologie. Le nombre de porcs virémiques était plus faible après infection orale qu’après inoculation intraveineuse. Ce résultat contraste avec la présence du HEV dans les matières fécales des porcs au cours des deux expériences. Les résultats montrent également une propagation du virus dans différents organes après inoculation intraveineuse, mais pas après inoculation par voie orale. Cette étude fournit la première preuve expérimentale de la propagation précoce du virus dans l\'organisme après infection intraveineuse avec une souche de HEV provenant du sanglier et montre qu’une telle souche pourrait être naturellement transmise entre les sangliers et les porcs, mais aussi entre porcs et donc survivre dans la population porcine. [less ▲]

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See detailOrphan Black and Literature
Guesse, Carole ULg

Conference (2016, March)

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See detailMobiliser la culture du pays d’origine, un défi pour l’intégration des migrants?
Mescoli, Elsa ULg; Gsir, Sonia ULg

Conference (2016, March)

La culture constitue pour les migrants et leurs pays d’origine un moyen de maintenir des liens réciproques après la migration. Mais quels sont les enjeux de la mobilisation de la culture d’origine pour ... [more ▼]

La culture constitue pour les migrants et leurs pays d’origine un moyen de maintenir des liens réciproques après la migration. Mais quels sont les enjeux de la mobilisation de la culture d’origine pour l’intégration des migrants dans leurs nouveaux pays de résidence ? Cette présentation analyse le déploiement de la culture du pays d’origine à trois niveaux : celui des pratiques quotidiennes des migrants, des politiques d’intégration et de diaspora et enfin, le niveau des associations, en particulier les centres culturels établis en Europe par les pays d’origine des migrants. Les pratiques culturelles des migrants et les actions et institutions culturelles mises en place par les pays d’origine sont confrontées au cadre légal européen en matière de diversité culturelle mais aussi aux politiques et discours sur l’intégration des migrants. La perspective à la fois anthropologique et sociologique adoptée révèle les processus de domination culturelle qui sont à l’œuvre. Elle permet aussi de questionner l’idée d’identité culturelle en montrant le dynamisme qui caractérise les cultures mais aussi la créativité des communautés locales dans un environnement globalisé. Finalement, on constate qu’une variété de facteurs est en jeu dans les processus d’intégration des migrants, que les dynamiques de la culture elle-même déterminent des appartenances multiples et aussi que les identités se développent au sein des interactions entre cultures. Si on ne peut établir de lien causal et univoque entre les pratiques culturelles liées au pays d’origine et l’intégration des migrants dans le pays de résidence, on peut par contre se référer à la notion d’ethnicité et à sa fonction politique (Comaroff et Comaroff, 2009). [less ▲]

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See detailClassifying simulated wheat yield responses to changes in temperature and precipitation across a european transect
Fronzek, S.; Pirttioja, N.; Carter, T. R. et al

Conference (2016, March)

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See detailBois, brique et fer : Approche multi-disciplinaire de la charpente de l'église Notre-Dame du Sablon, Bruxelles (RBC)
CREMER, Sarah; FRAITURE, Pascale; Hoffsummer, Patrick ULg et al

in Archaeologia Mediaevalis (2016, March), 39

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See detailNovel composite heterozygous mutation of the receptor for hCG and LH leading to male disorder of sexual development
Potorac, Iulia ULg; FUDVOYE, Julie ULg; GAILLEZ, Stephanie ULg et al

in Abstract book - 17th World Congress of Gynecological Endocrinology (2016, March)

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See detailDevelopment of a translation stage for in situ non-invasive analysis and high resolution imaging
Strivay, David ULg; Clar, Mathieu ULg; Rakkaa, Saïd ULg et al

Poster (2016, March)

Non-invasive imaging techniques and analytical instrumentation for cultural heritage object studies have undergone a tremendous development over the last years. Many new miniature and/or handheld systems ... [more ▼]

Non-invasive imaging techniques and analytical instrumentation for cultural heritage object studies have undergone a tremendous development over the last years. Many new miniature and/or handheld systems have been developed and optimized. Nonetheless, these instruments are usually used with a tripod or a manual position system. This is very time consuming when performing point analysis or 2D scanning of a surface. The Centre Européen d’Archéométrie (CEA) has build a translation system made of pluggable rails of 1 m long with a maximum length and height of 3 m. Three motors embedded in the system allow the platform to be moved along these axis, toward and backward from the sample. The rails hold a displacement system, providing a continuous movement. Any position can be reached with a reproducibility of 0.1 mm. The displacements are controlled by an Ethernet connection through a laptop computer running a multiplatform homemade software written in JAVA. This software allows a complete control over the positioning using a simple, unique, and concise interface. Automatic scanning can be performed over a large surface of 3 meters on 3 meters. The Ethernet wires provide also the power for the different motors and, if necessary the detection head. The platform has been originally designed for a XRF detection head (with its full power alimentation) but now can accommodate many different systems like IR reflectography, digital camera, hyperspectral camera, Raman probes, etc. The positioning system can be modified to combine the acquisition software of the imaging or analytical techniques and the positioning software. [less ▲]

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See detailBad News in Service Encounters: Ideas and Insights
Delcourt, Cécile ULg; Gremler, Dwayne

Conference (2016, March)

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See detailAn ensemble of projections of wheat adaptation to climate change in europe analyzed with impact response surfaces
Ruiz-Ramos, M.; Ferrise, R.; Rodríguez, A. et al

Conference (2016, March)

Detailed reference viewed: 26 (1 ULg)
Peer Reviewed
See detailThe bottom up innovation and entrepreneurship in smart cities, case of Indian cities
Kummitha, Rama; Crutzen, Nathalie ULg

Conference (2016, March)

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See detailCertificat successoral européen Aperçu et mise en oeuvre
Wautelet, Patrick ULg

Conference (2016, March)

Cette présentation a pour objectif de donner un aperçu général du fonctionnement du certificat successoral européen mis en place par le Règlement successions

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See detailEstetrols’ Potential for Neuroprotection Following the injury to the Developing Brain: Preclinical Studies
Tskitishvili, Ekaterine ULg; Nisolle, Michelle ULg; Noël, Agnès ULg et al

in The 17th World Congress of Gynecological Endocrinology, Florence 2-5 March 2016 (2016, March)

Context: Hypoxic-Ischemic encephalopathy (HIE) remains a major cause of perinatal brain injury. The brain rapidly increases in size, shape and complexity during the second and third trimesters. A sentinel ... [more ▼]

Context: Hypoxic-Ischemic encephalopathy (HIE) remains a major cause of perinatal brain injury. The brain rapidly increases in size, shape and complexity during the second and third trimesters. A sentinel event in late pregnancy or the intrapartum period may have an acute profound effect on a previously neurologically intact fetus, leading to the development of (HIE). The nature of the deficits is dependent on the gestational age and severity of the insult, though it is seldom reported in preterm infants. Studies in animal models of HIE may provide important information for the development of treatment for this pathological condition. Estetrol (E4) is a recently described estrogen with four hydroxyl-groups that is synthesized exclusively during pregnancy by the human fetal liver. Objective: In this study, we evaluated E4’s neuroprotective and therapeutic potency in neonatal (in vivo) HIE model of the immature 7-day-old newborn rat. Methods: Rat pups body temperatures were examined along with their body and brain weights. Brains were studied at the level of the hippocampus and cortex. Intact cell counting and expressions of markers for neuronal early grey matter damage (microtubule-associated protein-2 (MAP-2)), neurogenesis (doublecortin (DCX)) and angiogenesis (vascular-endothelial growth factor (VEGF)) were evaluated by histo- and immunohistochemistry. The serum levels of two markers of brain damage (S100B and glial fibrillary acidic protein (GFAP)) were measured by ELISA. Results: Our results demonstrate that E4 has a significant neuroprotective and therapeutic effects. Estetrol decreases the early gray matter loss, and promotes neuro- and angiogenesis in vivo. Estetrol treatment has no effects on body weight, brain weight or body temperature. Conclusion: Taken together, E4 might become an important safe and physiological substance to treat neonatal HIE. [less ▲]

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See detailA novel protocol for the design of artificial (β/α)8-barrel proteins
Martina, Cristina ULg; Figueroa Yévenes, Maximiliano ULg; Combs, Steven et al

Poster (2016, March)

Designing de novo proteins of more than 100 amino acids is still challenging. The creation of artificial (β/α)8-barrel proteins had only one successful example in literature, thank to use of internal ... [more ▼]

Designing de novo proteins of more than 100 amino acids is still challenging. The creation of artificial (β/α)8-barrel proteins had only one successful example in literature, thank to use of internal spatial symmetry. Here we present a protocol to design de novo (β/α)8-barrel proteins without symmetry restriction. First, the backbone was created in 4 steps: (I) Rosetta ParametricDesign produced an highly symmetric polyalanine scaffold with no loops; (II) Rosetta Fixed-Backbone Design used the previous output to substitute the alanines in all the position; (III) Loops were constructed with Modeller joining the terminus of the secondary structure elements and (IV) RosettaRelax performed relaxation, creating around 4000 different models. 28 backbone models were selected for the next steps of sequence design. To design the final proteins for experimental validation, 10 cycles of Rosetta Design and Relax were performed. In the first cycle only apolar amino acids were allowed in hydrophobic regions; in the next 6 cycles, amino acids were allowed based on the definition of 3 regions: core, boundaries and surface. All the amino acids were allowed in each position in the last 3 cycles. More than 10000 different sequences were created and analyzed in term of amino acid composition, sequence similarity with natural protein, secondary structure prediction, and molecular dynamics simulations. The 30 best candidate sequences have been selected for experimental verification. [less ▲]

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See detailDes pratiques enseignantes qui font obstacle au rôle des modèles dans la construction des savoirs scientifiques. 2. Le cas de la discipline scolaire "histoire de l'art"
Heins, Pascal ULg

Conference (2016, March)

Dans une perspective comparatiste, des didacticiens de plusieurs disciplines (mathématiques, physique, chimie, biologie, histoire de l’art) ont étudié des pratiques enseignantes faisant obstacle au rôle ... [more ▼]

Dans une perspective comparatiste, des didacticiens de plusieurs disciplines (mathématiques, physique, chimie, biologie, histoire de l’art) ont étudié des pratiques enseignantes faisant obstacle au rôle des modèles dans la construction des savoirs scientifiques. Leur réflexion croisée les a amenés à considérer des niveaux élevés de l’échelle de co-détermination didactique de Chevallard (2012) pour identifier des indicateurs d’une certaine forme de positivisme empirique dans l’épistémologie spontanée des enseignants. Cette posture s’exprime plus ou moins différemment d’une discipline à l’autre, mais le fait que les modèles et théories enseignées ont fait ou non l’objet d’une standardisation au sein de communautés scientifiques savantes déterminent fortement leur transposition didactique. De ce point de vue, l’exemple de l’histoire de l’art a joué un rôle méthodologique important permettant de contraster et de questionner les pratiques dans les autres disciplines. Ce questionnement s’inscrit dans un objectif à plus long terme qui est la reproblématisation (au sens de Orange, 2005) d’enseignements relatifs aux disciplines enseignées. [less ▲]

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See detailLe sensible chez Franz Brentano
Gauvry, Charlotte ULg

Conference (2016, March)

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See detailImproving laboratory diagnostic efficiency of epizootic diseases in Belgium
Cargnel, Mickaël ULg; Roelandt, Sophie; Van der Stede, Yves et al

Poster (2016, March)

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See detailDes pratiques enseignantes qui font obstacle au rôle des modèles dans la construction des savoirs scientifiques
Dontaine, Matthieu; Heins, Pascal ULg; Hindryckx, Marie-Noëlle ULg et al

Conference (2016, March)

Dans une perspective comparatiste, des didacticiens de plusieurs disciplines (biologie, chimie, histoire de l’art, mathématique et physique) ont étudié des pratiques enseignantes faisant obstacle au rôle ... [more ▼]

Dans une perspective comparatiste, des didacticiens de plusieurs disciplines (biologie, chimie, histoire de l’art, mathématique et physique) ont étudié des pratiques enseignantes faisant obstacle au rôle des modèles dans la construction des savoirs scientifiques. Leur réflexion croisée les a amenés à considérer des niveaux élevés de l’échelle de codétermination didactique de Chevallard (2012) pour identifier des indicateurs d’une certaine forme de positivisme empirique dans l’épistémologie spontanée des enseignants. Cette posture s’exprime plus ou moins différemment d’une discipline à l’autre mais le fait que les modèles et théories enseignées ont fait ou non l’objet d’une standardisation au sein de communautés scientifiques savantes déterminent fortement leur transposition didactique. De ce point de vue, l’exemple de l’histoire de l’art a joué un rôle méthodologique important permettant de contraster et de questionner les pratiques dans les autres disciplines. Ce questionnement s’inscrit dans un objectif à plus long terme qui est la reproblématisation (au sens de Orange, 2005) d’enseignements relatifs aux disciplines enseignées. [less ▲]

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See detailA "external" StandPoint on QMS
Massart, Sébastien ULg

Conference (2016, March)

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See detail“Color is a kind of holy substance for me”: analytical study of the Sam Francis’ palette from the 1940’s to the 1990’s
Defeyt, Catherine ULg; Mazurek, Joy; Zebala, Aneta et al

Poster (2016, March)

The Sam Francis’s colors, literally described as vivid, saturated, pure, vibrant intense and rich, largely contribute to the unique character of his work. This idiosyncrasy explains the interest in ... [more ▼]

The Sam Francis’s colors, literally described as vivid, saturated, pure, vibrant intense and rich, largely contribute to the unique character of his work. This idiosyncrasy explains the interest in conducting an extended study on the Francis’ painting materials through analytical techniques. On the other hand, many Francis’ paintings display colored surfaces that exhibit bronzing, fluorescent or opalescent effects. As a consequence, retouching paint losses from Sam Francis works may become a challenging task for the involved conservators, the degree of the color matching required in the imitative technique being particularly difficult to attain, in the presence of such surfaces. Furthermore, the attained degree of the color match has to be conserved in all conditions of illumination and observation. The use of pigments chemically similar to the original ones is often necessary for matching highly chromatic pigments. Though, many modern synthetic organic pigments (SOPs) possess high color strength. That is why the characterization of the Francis palette would provide helpful information to the conservators, which have to deal with this type of issue. The upcoming Getty publication Sam Francis: The Artist’s Materials, planned for 2016, offered the opportunity for in-depth analyses of hundreds paint samples. Almost three hundreds of paint fragments supplied by the Sam Francis Foundation have been investigated at the GCI laboratory, by using three complementary analytical techniques, Py-GC-MS, Raman and FTIR spectroscopies. The Raman spectroscopy is one of the most efficient techniques for identifying SOPs in paint systems, while the Py-GC-MS and FTIR methods provide essential information concerning the binding media. The analyzed paint fragments were sampled from twenty-nine canvases and works on paper, made between 1946 and 1992. Although, primary established in Southern California, Sam Francis spent numerous long journeys in different places around the world, including Paris, Bern, Mexico City, New York and Tokyo. However, the material study has outlined the uninterrupted use of` certain classes of SOPs in specific colors. For example, copper phthalocyanine (CuPc) pigments were systematically detected in the blue and green samples, while azo pigments have been identified in most of the yellow areas sampled from post 1940s works. Regardless of the support and the paint technique, the Francis’ blues primary contain Ultramarine and/or CuPc blue pigments. And, it has been shown that the bronzing blue surfaces noticed for some of the investigated artworks correspond to PB15-based paint films. The present study has also underlined the recurrent use of perinone orange and dioxazine violet in fluorescent orange and purple area. Despite the early introduction of SOPs, on the Francis’ palette, the works dating from the 1940’s remained mainly composed of traditional inorganic pigments, for instance lead white and red, chrome yellow, viridian and iron oxides. Interestingly, various binding media, i.e. Shellac gum, modified and unmodified oils, PVA, alkyd resins and acrylic copolymers have been identified. Actually, the investigated samples have pointed out the frequent combination of more than three types of binders on a same painting. Through the identification of the various SOPs used by Francis over fifty years, this research provide helpful information for selecting the most appropriate retouching pigments. [less ▲]

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See detailDouble genetic defect in a case of congenital hypogonadotropic hypogonadism
Potorac, Iulia ULg; Pintiaux, Axelle ULg; VALDES SOCIN, Hernan Gonzalo ULg et al

in Abstract book - 17th World Congress of Gynecological Endocrinology (2016, March)

Detailed reference viewed: 19 (1 ULg)
See detailGalectin-1 is involved in osteoclast biology
Muller, Joséphine ULg; Binsfeld, Marilène ULg; DUBOIS, Sophie ULg et al

Poster (2016, February 28)

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See detailL’ACCOUTUMANCE À L’EAU, UN PASSAGE OBLIGÉ AVANT LA NATATION ?
Mornard, Manhattan ULg; Delvaux, Anne ULg; Delsupexhe, Nadège et al

Poster (2016, February 27)

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See detailSPÉCIALISATION SPORTIVE PRÉCOCE : QUEL IMPACT SUR LA PERFORMANCE, SUR LE DÉVELOPPEMENT ET SUR LA SANTÉ ET QUELLES PISTES DE SOLUTION ?
Jidovtseff, Boris ULg

in Jidovtseff; Halleux, Philippe; Lambert, Eric (Eds.) Livre des résumés du 2ème colloque Guuy Namurois (de l'éducation physique à la performance sportive) (2016, February 27)

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See detailIntérêt d’un modèle de compétition adapté aux enfants en athlétisme : le Kid’s Athletics
Jidovtseff, Boris ULg; Wuillaume, Sandrine; Cloes, Marc ULg

Poster (2016, February 27)

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See detailEDUCATION RACHIDIENNE : DE L’ENFANT AU SPORTIF DE HAUT NIVEAU
Vanderthommen, Marc ULg; GROSDENT, Stéphanie ULg; Fettweis, Tatiana ULg et al

in Livre des Résumés du 2ème Colloque Guy Namurois (2016, February 27)

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Peer Reviewed
See detailUn manuscrit de l’entourage de Noël Bellemare sous le microscope : analyse du ms. W 29 de l’Université de Liège
Oger, Cécile ULg; L'Estrange, Elizabeth; Gilbert, Bernard ULg et al

Conference (2016, February 26)

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See detailDes modèles héroïques et bibliques pour François Ier. Le cas d’Hercule
Laruelle, Anne-Sophie ULg

Conference (2016, February 25)

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See detailL’enseignement de l’éducation physique en Belgique francophone : une lente transition vers la littératie physique et un ancrage sociétal
Cloes, Marc ULg

Conference (2016, February 25)

A la fin des années 90’, les autorités en charge de l’Education dans l’actuelle Fédération Wallonie-Bruxelles ont attribué à l’éducation physique la mission de développer trois domaines de compétences ... [more ▼]

A la fin des années 90’, les autorités en charge de l’Education dans l’actuelle Fédération Wallonie-Bruxelles ont attribué à l’éducation physique la mission de développer trois domaines de compétences (condition physique, habiletés gestuelles, coopération socio-motrice) pour poursuivre en parallèle quatre finalités (santé, sécurité, expression-communication, éducation sportive). Si les textes officiels semblaient encourager le développement d’un cours d’éducation physique où le sport cédait un peu de terrain à l’activité physique au sens large, force est de constater que, dans les faits, les séances sont restées essentiellement construites par rapport à la pratique de disciplines sportives (dont le choix tend par ailleurs à s’élargir et à se diversifier). Depuis quelques années, sous l’impulsion des formateurs d’enseignants, on constate toutefois une modification très progressive des mentalités. De plus en plus d’initiatives sont ainsi mises en place sur le terrain dans la perspective d’amener les élèves à devenir des citoyens responsables … de leur corps tout au long de leur vie. Cette évolution en faveur de la littératie physique s’accompagne par ailleurs de démarches visant à souligner l’ancrage sociétal de la discipline dont l’apport concret doit impérativement être mis en exergue : le cours d’éducation physique qui présente des liens directs avec ce qui se passe en dehors des murs de l’école. Le professeur d’éducation physique est ainsi de plus en plus présenté comme le potentiel coordinateur de la promotion d’un style de vie actif au sein des établissements scolaires. [less ▲]

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See detail10.1. L'intérêt de la culture en association de froment et de pois protéagineux d'hiver dans un objectif d'autonomie protéique
Pierreux, Jérome ULg; Delaplace, Pierre ULg; Roisin, Christian et al

in Watillon, Bernard; Bodson, Bernard (Eds.) Livre Blanc Céréales (2016, February 24)

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See detailVers un nouvel ancrage sociétal du cours d’éducation physique
Cloes, Marc ULg

Conference (2016, February 24)

Since two decades, a growing number of publications underlines the increase of the sedentariness of the society and, in parallel, that of the number of overweight people. It has been demonstrated that ... [more ▼]

Since two decades, a growing number of publications underlines the increase of the sedentariness of the society and, in parallel, that of the number of overweight people. It has been demonstrated that these evolutions will have negative consequences on the health of the citizen at mid and long terms. School is identified as one of the main pillars of the promotion of a physically active lifestyle. By the competences that they acquire during their studies, physical educaiton teachers are considered as the potential corner stone of actions to be implemented in order to allow youth to become citizen responsible of their body and to learn how to use it longlife. That implies reinforcing application of principles that physical educators know very well but that are not necessary integrated systematically in the professional practice. Beforehand to the action on the gym, it means that specific appraoches of teachers education (pre- and in-service) have to be implemented. The presentation proposes to review the current developments and will emphasize the share of good practices in teaching as well as in teacher education. [less ▲]

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See detail5. Régulateurs de croissance
Henriet, François; Monfort, Bruno; Meza Morales, Walter ULg

in Watillon, Bernard; Bodson, Bernard (Eds.) Livre Blanc Céréales (2016, February 24)

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See detail4. La fumure azotée
Meza Morales, Walter ULg; Monfort, Bruno; Dumont, Benjamin ULg et al

in Watillon, Bernard; Bodson, Bernard (Eds.) Livre Blanc Céréales (2016, February 24)

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See detail10.2. Evaluation des cultures dérobées implantées en tant que surfaces d'intérêt écologique (SIE) dans le cadre de la PAC 2015-2020
Hancart, F.; Jenet, D.; Lambert, B. et al

in Watillon, B.; Bodson, Bernard (Eds.) Livre Blanc Céréales (2016, February 24)

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See detail6. Lutte intégrée contre les maladies
Bataille, Charlotte; Duvivier, Maxime; Heens, Benoît et al

in Watillon, Bernard; Bodson, Bernard (Eds.) Livre Blanc Céréales (2016, February 24)

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See detail2. Implantation des cultures
Eylenbosch, Damien ULg; Meza Morales, Walter ULg; Monfort, Bruno et al

in Watillon, Bernard; Bodson, Bernard (Eds.) Livre Blanc Céréales (2016, February 24)

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See detail"Témoigner-pour-mourir" : notes sur Sartre, Bourdieu et le passage par la biographie
Cormann, Grégory ULg

Conference (2016, February 22)

Detailed reference viewed: 22 (2 ULg)
See detailEsquisse d'une méthode et questions émotionnelles
Englebert, Jérôme ULg

Conference (2016, February 22)

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See detailBouger plus: Retour vers le futur
Cloes, Marc ULg

Conference (2016, February 22)

Bouger plus est un projet visant à encourager la pratique de l'activité physique chez les seniors. Il est né dans le cadre d'une collaboration entre le Service Intervention et Gestion en Activités ... [more ▼]

Bouger plus est un projet visant à encourager la pratique de l'activité physique chez les seniors. Il est né dans le cadre d'une collaboration entre le Service Intervention et Gestion en Activités physiques et sportives de l'Université de Liège, d'une part, la Commune d'Esneux, d'autre part. Après avoir analysé les caractéristiques des habitudes des habitants de la la commune en matière d'activité physique, des interventions ont été implantées auprès d'un public cible particulier: les seniors. Ceux-ci sont considérés comme des personnes de 50 ans et plus. L'exposé retracera les différentes étapes de cette collaboration fructueuse puisque, six ans après le lancement de cette initiative citoyenne, des cycles d'activités sont toujours proposés et rencontrent d'ailleurs toujours plus de succès. Une réflexion sera menée à propos de l'évolution en cours du concept et des options qui se présentent pour la pérennisation de ce projet. [less ▲]

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See detailDoes sector-specific experience matter? The case of European higher education ministers
Jacqmin, Julien ULg

Conference (2016, February 22)

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See detailLes dysphagies : nouvelles conceptions théoriques et implications cliniques
Maillart, Christelle ULg

Conference (2016, February 20)

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See detailElp3 Lysine Acetyl-Transferase Controls Neuronal Survival in the Developing Inner Ear and is Crucial to Balance and Hearing
Delacroix, Laurence ULg; Mateo Sanchez, Susana ULg; Freeman, Stephen ULg et al

Conference (2016, February 20)

Elp3 lysine acetyl-transferase, the catalytic subunit of the Elongator complex, has been assigned multiple roles in gene transcription, DNA methylation and protein translation efficiency. Given the ... [more ▼]

Elp3 lysine acetyl-transferase, the catalytic subunit of the Elongator complex, has been assigned multiple roles in gene transcription, DNA methylation and protein translation efficiency. Given the importance of acetylation homeostasis in controlling developmental processes together with recent reports implicating Elp3 in cortical neurogenesis, we investigated its role during inner ear formation. In the inner ear, we detected Elp3 transcript in the sensory epithelia of the entire otic vesicle at embryonic day E11.5. At later stages, Elp3 mRNA is strongly expressed in the vestibular and spiral ganglion neurons. To investigate the role of Elp3 in vivo, we used a conditional knock-out mice (Foxg1Cre) in which the expression of the acetyl-transferase is lost in early otocyst. These mice show obvious vestibular defects as indicated by a stereotyped circling ambulation, head bobbing, retropulsion and the absence of a reaching response in the tail-hanging test. Furthermore, we identified a severe hearing loss in Elp3cKO mice through Auditory Brainstem Responses. We show that Elp3 enzyme is crucial for neuronal survival in the spiral ganglion and in the vestibule and that it ensures a correct innervation pattern in the developing inner ear. In the absence of Elp3, a drastic increase in the number of apoptotic neurons was detected by active Caspase-3 and pH2AX immunostainings, particularly during the early stages of development (between E12.5 and E14.5). Postnatally, the neurons remaining in Elp3cKO cochleae seem to establish synaptic contacts with the sensory cells but show obvious signs of cell damage as evidenced by Transmission Electron Microscopy. Taken together, these data support a role for Elp3 in hearing and balance and point out an important role for acetylation homeostasis during inner ear formation. We are currently investigating the molecular mechanisms underlying Elp3 effect on neuronal survival and pathfinding. [less ▲]

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See detailIdentifying Late Egyptian Virtual Relative Clauses
Sojic, Nathalie ULg

Conference (2016, February 19)

Ancient Egyptian so-called "virtual" relative clauses (VRC) are adverbial clauses that function like relative clauses. Descriptions provided by Late Egyptian grammars inform students of their existence ... [more ▼]

Ancient Egyptian so-called "virtual" relative clauses (VRC) are adverbial clauses that function like relative clauses. Descriptions provided by Late Egyptian grammars inform students of their existence and of the possibility to translate them accordingly. But they are not of a great help if one wants to grasp and describe the Late Egyptian relativization system in a linguistic perspective. The talk, given on the occasion of the international Crossroads V conference, aimed at providing interpretive guidelines based on syntax, pragmatics and Discourse Analysis. In my communication, I showed that Discourse Analysis proved to be very fruitful in clarifying some contexts of use of LEg VRCs as well as some interpretive processes. [less ▲]

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See detailComputerized adaptive and multi-stage testing with R
Yan, Duanli; Magis, David ULg

Conference (2016, February 19)

Computerized Adaptive Testing (CAT) has greatly improved the accuracy and efficiency of psychological testing for decades. Multistage Testing (MST) has received much of attention recently. MST is similar ... [more ▼]

Computerized Adaptive Testing (CAT) has greatly improved the accuracy and efficiency of psychological testing for decades. Multistage Testing (MST) has received much of attention recently. MST is similar to CAT such that it allows the adaptation of the difficulty of the test to the level of ability of a test taker. Specifically, in MST, items are interactively selected for each test taker, but rather than selecting individual items, groups of items are selected and the test is built in stages. Over the last decade, researchers have investigated ways for an MST to incorporate most of the advantages from CAT and linear testing, while minimize their disadvantages. These features include testing efficiency and accuracy, greater control of test content, more robust item review, as well as simplified test assembly and administration. Therefore, MST can be an effective compromise between CAT and linear testing, embedding features and benefits from both designs. Thus, MST becomes of more and more interest to researchers and practitioners as technology advances. This presentation will first provide a general overview of a multistage test (MST) design and its important concepts and processes. It will then present the latest development on CAT and MST using R, the mstR package. The presentation will also illustrate how to simulate MST administrations using mstR package, and discuss some practical issues and considerations for MST from design to applications. [less ▲]

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See detailDe uitspraak van Franstalige CLIL-leerders van het Nederlands
Vanackere, Laurine; Van Pée, Marie; Hiligsmann, Philippe et al

Conference (2016, February 19)

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See detailBlack British women filmmakers: towards a genderracial Cinema ?
Herbert, Emilie ULg

Conference (2016, February 19)

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Peer Reviewed
See detailSecond argument realization in Earlier Egyptian
Motte, Aurore ULg; Winand, Jean ULg

Conference (2016, February 18)

Detailed reference viewed: 16 (3 ULg)
Peer Reviewed
See detailThe Egyptianness of the Coptic basic vocabulary: A typological view
Grossman, Eitan; Polis, Stéphane ULg

Conference (2016, February 18)

The notion of ‘basic vocabulary’ is associated with the linguist and anthropologist Morris Swadesh, who proposed a list of 200 (and later 100) items. These lists, while widely used in historical and ... [more ▼]

The notion of ‘basic vocabulary’ is associated with the linguist and anthropologist Morris Swadesh, who proposed a list of 200 (and later 100) items. These lists, while widely used in historical and comparative linguistics, are based on Swadesh’s intuitions rather than on empirical research. More recently, however, the Leipzig Loanword Typology Project conducted a cross-linguistic survey of loanwords (Haspelmath & Tadmor 2009). One of the results is a 100-item list of basic vocabulary entries — the ‘Leipzig-Jakarta list of basic vocabulary.’ This list is the product of four factors, computed for a database of 1440 meanings in 41 languages: borrowability, representation in the database, analyzability / simplicity, and age. As Tadmor (2009) points out, this is the first list of basic vocabulary items based on extensive cross-linguistic comparison, and it constitutes a ‘full-fledged basic vocabulary’ that ‘comprises the notions normally associated with this concept: stability (our age score), universality (our representation score) and simplicity (our analyzability score), as well as resistance to borrowing (our unborrowed score)’ (2009: 68). In this talk, we examine this list of 100 meanings in order to evaluate the influence of Greek on the Coptic basic vocabulary, or — to put it the other way around — the ‘Egyptian¬ness’ of the Coptic lexicon, which seems to reflect an intense language contact situation. As a first step, Coptic data were collected from Crum (1939), the most extensive Coptic dictionary, for four dialects: Sahidic, Bohairic, Fayyumic, and Akhmimic. All Coptic lexemes associated with a meaning on the list were collected, even if poorly attested. Additionally, a questionnaire was been submitted to Copticists in order to detect Greek loanwords that would also be used for expressing these 100 meanings. Furthermore, we used etymological tools (Černý 1976; Westendorf 1977; Vycichl 1983) in order to attribute an age score (from 0 = Greek loanword to 4 = Old Egyptian) to the lexemes at two levels: the formal level (when is the word first attested in Ancient Egyptian) and the semantic level (when is the Coptic meaning first associated with this word). The vast majority of meanings (ca. 85%) have at least one pre-Coptic Egyptian cognate, most of which are already attested in Old Kingdom texts. As a result of this study, we are able (1) to evaluate the influence of Greek on the basic vocabulary of the main Coptic dialects, (2) to describe the basic vocabulary of Coptic dialects independently and to observe how they differ from one another, (3) to produce a first estimate of the rate of change in basic vocabularies over the course of Egyptian as a whole. [less ▲]

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Peer Reviewed
See detailDistribution of inorganic and organic contaminants in the intertidal surface sediments along the Hugli River Estuary, eastern part of India
Das, Krishna ULg; Sarkar, Santosh; Thomé, Jean-Pierre ULg et al

Conference (2016, February 17)

Hooghly estuary and coastal environment in north east coast of India has been strongly affected by the rapid human settlements, intensive boating and tourist activities, deforestation and ongoing ... [more ▼]

Hooghly estuary and coastal environment in north east coast of India has been strongly affected by the rapid human settlements, intensive boating and tourist activities, deforestation and ongoing agricultural and aquacultural practices. The present work investigated trace elements (TEs, T-Hg, Al, V, Cr, Fe, Mn, Cu, Zn, Co, Ni, Ca, Sr, Li, Be, P, Mo, Ag, Cd, Sn, Sb, Ba, Pb, Bi, U, As, Se) and organohalogen compounds in surface sediment (top 0-10cm) considering 8 sampling sites along the Hugli River Estuary (HRE), India. The studied organic compounds include polychlorobiphenyls (PCBs), hexachlorocyclohexane isomers (HCHs), dichlorodiphenyltrichloroethane and metabolites (DDTs) and polybromodiphenyl ethers (PBDEs). Textural analyses of the sediment reveal an overall dominance of mud. All trace elements could be detected at variable concentrations in the following descending order: Al>Fe>Ca> P>Mn> Cu> Zn> Ba >V >Cr>Sr>Ni> Li >Co >Pb>As >Se >U >Be >Sn>Bi >Ag >Mo >Cd >Sb. A synchronous enrichment of majority of the elements were observed at the site Gangasagar (~100 km south megacity Calcutta), situated at the confluence of Hugli River and Bay of Bengal, which might be attributed to cumulative impact of the physicochemical processes and multiple anthropogenic sources. It is revealed that PCBs and DDTs were the dominant compounds among the organic pollutants accounting concentrations up to 23.5 ng.g-1 and 4.4 ng.g-1 respectively at the site Babughat, adjacent to the megacity Calcutta. The results have implications for pollution in complex estuarine environment in a meso-macrotidal setup where there is significant influx of sediments carrying huge load of inorganic and organic pollutants mainly due to rapid urbanization and industrialization. [less ▲]

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See detailCycle, cercle, compilation. Introduction
Henrard, Nadine ULg

Conference (2016, February 16)

Introduction à la journée "Cycle, cercle, compilation", s'intéressant à la constitution d'ensembles d'hommes (cercles littéraires) ou de textes (compilations, cycles) au Moyen Âge. Les questionnements ... [more ▼]

Introduction à la journée "Cycle, cercle, compilation", s'intéressant à la constitution d'ensembles d'hommes (cercles littéraires) ou de textes (compilations, cycles) au Moyen Âge. Les questionnements soulevés par cette journée touchent ainsi à tous les stades de la chaîne du texte, de l’écriture à la réception et nécessitent de conjuguer axes synchronique et diachronique, données codicologiques et littéraires, historiques et aussi sociologiques. Ils invitent à interroger la part du hasard et de l’intention qui joue dans le rassemblement des œuvres et montrent, si besoin en était encore, qu’il est indispensable d’inscrire le fait littéraire dans une dynamique globale, en rappelant que les œuvres ne sont que des pièces imbriquées dans divers systèmes avec lesquels elles entrent en dialogue. [less ▲]

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See detailMise en recueil et cyclisation des textes de théâtre
Henrard, Nadine ULg

Conference (2016, February 16)

Sur la base de l'examen d'une variété de cas, cette étude s'intéresse à la manière dont se regroupent les textes de théâtre dans la tradition : rassemblement au sein des manuscrits, collections de textes ... [more ▼]

Sur la base de l'examen d'une variété de cas, cette étude s'intéresse à la manière dont se regroupent les textes de théâtre dans la tradition : rassemblement au sein des manuscrits, collections de textes, cyclisation. Les exemples s'étalent de la fin XIe au XVIe s.; ils sont puisés à des corpus variés (latin, langue d'oc ou d'oïl; théâtre religieux et théâtre profane). [less ▲]

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See detailDesiccation cracks formation in clay-barrier for nuclear waste disposal
Hubert, Julien ULg; Prime, Noémie; Plougonven, Erwan ULg et al

Conference (2016, February 16)

In geotechnical engineering, the desiccation cracking of soil is commonly observed. This phenomenon is detrimental to the behavior of earth material and earth structure. Desiccation cracks can lead to the ... [more ▼]

In geotechnical engineering, the desiccation cracking of soil is commonly observed. This phenomenon is detrimental to the behavior of earth material and earth structure. Desiccation cracks can lead to the overall failure of many geotechnical structures: • They can affect the slope stability of earth dams or embankments; • They can initiate internal erosion of embankments due to water flow through the cracks; • They can compromise the efficiency of soil barriers such as landfill liners and top covers. Nowadays, the storage of nuclear waste in deep impermeable geological layers is considered. These storages are based on the multi-barrier principle, the last of which being the host rock, typically a clayey material. In this context, maintaining the very low hydraulic conductivity of the host rock is crucial. Unfortunately, the ventilation of excavated galleries causes convective drying of the host material and can lead to crack formation. This work aims to understand in which conditions exactly, during convective drying, does cracking occur in clayey materials. An experimental campaign has been carried out to characterize the drying behavior of Boom clay which is the host rock at the underground research facility in Mol (Belgium). X-Ray micro-tomography has been used to analyze crack development as well as shrinkage. The experiments are used to calibrate the transfer parameters of a convective drying law based on the limit layer model. This calibration is based on agreement of the drying kinetics. A numerical study is then performed and aims at reproducing the behavior observed during the experiments. A thermo-hydro-mechanical coupled model is used to determine the stress distribution during the drying and a tensile failure criterion is suggested to predict crack genesis. Simulations are performed using the in-house built FEM code LAGAMINE. [less ▲]

Detailed reference viewed: 43 (4 ULg)
See detailLa littérature panoramique par ses éditeurs
Stienon, Valérie ULg

Conference (2016, February 13)

Phénomène de société et de mode, la littérature panoramique identifiée rétrospectivement par Walter Benjamin constitue surtout une entreprise éditoriale majeure. Elle mobilise un grand nombre d’acteurs ... [more ▼]

Phénomène de société et de mode, la littérature panoramique identifiée rétrospectivement par Walter Benjamin constitue surtout une entreprise éditoriale majeure. Elle mobilise un grand nombre d’acteurs (libraires, illustrateurs, graveurs, imprimeurs) à l’échelle européenne et prépare de nouveaux statuts pour la fonction même d’éditeur, qui voit naître un discours spécifique à son propos, dans une époque qui précède de peu sa professionnalisation et dans un contexte de circulation médiatique accrue de l’imprimé sous ses formes les plus variées. La communication se centrera sur deux éditeurs panoramiques français importants, Curmer et Aubert, pour mettre en évidence la nature de leurs projets, l’originalité de leurs méthodes et l’identité de leurs personnels. On reviendra sur le rôle de passeur culturel du premier et de rassembleur d’une équipe d’artistes du second, deux caractéristiques à l’origine du rayonnement de la littérature panoramique. On examinera aussi les particularités de certaines de leurs productions, entre texte et image, journal et livre, ouvrage de collection et fascicule éphémère, jouant sur les matériaux et les circuits de diffusion. [less ▲]

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See detailDroit international et pacifisme en Belgique de 1870 à 1940 : une cohabitation complexe
Genin, Vincent ULg

Conference (2016, February 12)

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Peer Reviewed
See detailMercury and persistent organic pollutant concentrations in free-ranging bottlenose dolphins from Lower Keys and Coastal Everglades (South Florida)
Damseaux, France ULg; Kiszka, Jeremy; Heithaus, Michael et al

Poster (2016, February 12)

The bottlenose dolphin (Tursiops truncatus) is a major apex predator and the most common cetacean species found in nearshore waters of South Florida, including the Lower Florida Keys (LFK) and the Florida ... [more ▼]

The bottlenose dolphin (Tursiops truncatus) is a major apex predator and the most common cetacean species found in nearshore waters of South Florida, including the Lower Florida Keys (LFK) and the Florida Coastal Everglades (FCE). The objective of this study was 1) to assess contamination levels of total mercury (T-Hg) in skin and persistent organic pollutants (PCBs, PBDEs, DDT, HCH, HCB, DLCs and PCDD/Fs) in blubber samples of bottlenose dolphins from the LFK (8 males and 16 females) and from the FCE (13 males and 9 females). Pollutants were analysed by the mean of Direct Mercury analyser (for T-Hg), GC-ECD (POPs) and GC-MS (DLCs and PCDD/Fs). The PCBs were the main compounds found in bottlenose dolphins from the LFK and FCE. The most present congeners where the CB no. 28, 52, 101, 138, 153 and 180 (ΣPCBs LFK males: 13420.5 ng.g-1 lipids, ΣPCBs LFK females: 9683.4 ng.g-1 lipids, ΣPCBs FCE males: 5637.9 ng.g-1 lipids, ΣPCBs FCE females: 1426.9 ng.g-1 lipids). PCBs concentrations were significantly higher in individuals from the LFK than those from the FCE but significantly lower than those from other locations in the south-eastern US. Unlike organic pollutants, T-Hg concentrations were significantly higher in FCE male dolphins (LFK: 2936.0 ng.g-1 dw, FCE: 10048.3 ng.g-1 dw). These high concentrations were the highest recorded in the south-eastern US and are most likely due to the presence of mangrove ecosystems. This study highlights the complexity of contaminant dynamics (inorganic vs. organic), even at small spatial scales. [less ▲]

Detailed reference viewed: 42 (1 ULg)
Peer Reviewed
See detailBiologie, sociologie, philosophie. Le fait moral entre Durkheim et Bergson
Caeymaex, Florence ULg

Conference (2016, February 12)

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See detailThe secret life of a Mediterranean seagrass litter macrofauna community : a history of oxygen
Remy, François ULg; Michel, Loïc ULg; Sturaro, Nicolas ULg et al

Conference (2016, February 12)

Most of the foliar primary production of Posidonia oceanica, a major Mediterranean seagrass, sheds in autumn and is exported from the meadow to adjacent areas to form "Exported Macrophytodetritus ... [more ▼]

Most of the foliar primary production of Posidonia oceanica, a major Mediterranean seagrass, sheds in autumn and is exported from the meadow to adjacent areas to form "Exported Macrophytodetritus Accumulations", EMAs. These EMAs are a habitat, shelter and feeding place for an abundant and diverse community of macrofauna. Being very dynamic places and potentially playing a role of transition compartment between water column and sediment, EMAs present high variability in term of physicochemical conditions and more specifically in term of oxygen concentration. Mild to severe hypoxic periods (2 - 0.01 mL O2.L-1) can be observed in situ at different moments of the year, and this variability thus potentially play a structuring role on the macrofauna community. During this study, our main specific questions were (1) Does oxygen stratification occur inside EMAs? (2) If present, how long does it take to observe this stratification? (3) Is the macrofauna impacted and do the dominant species occupy defined positions inside the different micro-habitats? To assess the importance of this impact, an experimental study was conducted in October 2014 near the STARESO oceanographic station (Calvi, Corsica) using an original "layer-sampling" design. The experimental construction was put underwater inside an EMA for 48 hours at a depth of 8m. Samples were collected (N=8) in a 20cm thick EMA using "sealed" boxes to sample every 5cm, from the sediment, to the water column. Oxygen, nutrients and of course the litter itself (containing the macrofauna) were sampled carefully to make sure no exchange occurred between the 4 different layers. After data analysis, the assessment was clear: oxygen stratification occurred in less than 48h and oxygen level inside the layer close to the sediment experienced a fast decrease below the hypoxia threshold (2 mL O2.L-1). Diversity was highly impacted, showing a clear positive link with oxygen concentration. Macrofauna also appeared to follow this oxygen stratification but this response was very species specific. Some species didn't follow oxygen and are present in every layer and most of them were strongly positively linked to oxygen concentration. But a few (Nebalia strausi and Athanas nitescens) were strongly negatively linked to oxygen concentration and were present only in the more hypoxic layers. This experimentation thus confirmed our in situ observations. Oxygen stratification occurred quickly (< 48h) when EMAs were experiencing calm weather. This stratification observed from the water column to the sediment was very marked. Diversity and abundance of most abundant macrofauna species were drastically influenced by this stratification, showing the importance of these micro-habitats in structuring of this macrofauna community. [less ▲]

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See detailTrophic plasticity of Antarctic echinoids under contrasted environmental conditions
Michel, Loïc ULg; David, Bruno; Dubois, Philippe et al

Poster (2016, February 12)

Echinoids are common members of Antarctic zoobenthos, and different groups can show important trophic diversity. As part of the ANT-XXIX/3 cruise of RV Polarstern, trophic plasticity of sea urchins was ... [more ▼]

Echinoids are common members of Antarctic zoobenthos, and different groups can show important trophic diversity. As part of the ANT-XXIX/3 cruise of RV Polarstern, trophic plasticity of sea urchins was studied in three neighbouring regions (Drake Passage, Bransfield Strait and Weddell Sea) featuring several depth-related habitats offering different trophic environments to benthic consumers. Three families with contrasting feeding habits (Cidaridae, Echinidae and Schizasteridae) were studied. Gut content examination and stable isotopes ratios of C and N suggest that each of the studied families showed a different response to variation in environmental and food conditions. Schizasteridae trophic plasticity was low, and these sea urchins were bulk sediment feeders relying on sediment-associated organic matter in all regions and/or depth-related habitats. Cidaridae consumed the most animal-derived material. Their diet varied according to the considered area, as sea urchins from Bransfield Strait relied mostly on living and/or dead animal material, while specimens from Weddell Sea fed on a mixture of dead animal material and other detritus. Echinidae also showed important trophic plasticity. They fed on various detrital items in Bransfield Strait, and selectivity of ingested material varied across depth-related habitats. In Weddell Sea, stable isotopes revealed that they mostly relied on highly 13C-enriched food items, presumably microbially-reworked benthic detritus. The differences in adaptive strategies could lead to family-specific responses of Antarctic echinoids to environmental and food-related changes. [less ▲]

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