References of "Scientific congresses and symposiums"
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See detailLa tradition textuelle de Gerard du Frattre, un fragment d’histoire littéraire ?
Lambert, Adélaïde ULg

Conference (2016, November 09)

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See detailBulk high-temperature superconducting hollow cylinders used for magnetic shielding: effect of an initial trapped field on the shielding performances.
Wera, Laurent ULg; Fagnard, Jean-François ULg; Hogan, Kevin ULg et al

Poster (2016, November 09)

Bulk High-Temperature Superconductors (HTS) can be used as efficient passive magnetic shields with performances exceeding those of conventional ferromagnetic materials. The most common geometry for a ... [more ▼]

Bulk High-Temperature Superconductors (HTS) can be used as efficient passive magnetic shields with performances exceeding those of conventional ferromagnetic materials. The most common geometry for a superconducting shield is a bulk hollow cylinder. In this work, we investigate the magnetic shielding properties when the tube is not in the virgin state. Such a situation happens in practice when the tube has been initially subjected to a first magnetic field. The induced superconducting currents that are flowing in the tube generate a trapped magnetic moment which may deteriorate the shielding of a second field. Here we study experimentally how an initial trapped moment affects the shielding of a magnetic field, when they are both perpendicular to each other. In particular, we focus on the effect of an axial trapped moment on the transverse shielding performances and on the effect of a transverse trapped field on the axial or the transverse shielding performances. Finally, we show how the pristine state of the tube can be restored when applying an external field of adequate amplitude. The consequence for practical applications is that it is possible to recover shielding properties similar to those obtained in the virgin state without heating up the shield above its critical temperature TC. [less ▲]

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See detailSevere deficiency of the somatotrope GHRH/GH/IGF-1 axis induces a dramatic susceptibility to Streptococcus pneumoniae infection.
Farhat, Khalil ULg; Bodart, Gwennaëlle ULg; Desmet, Christophe ULg et al

Poster (2016, November 07)

Deletion of the growth hormone-releasing hormone gene (Ghrh) results in a severe deficiency of the somatotrope GHRH-GH-IGF-1 axis causing dwarf phenotype that can be reversed by GH or GHRH supplementation ... [more ▼]

Deletion of the growth hormone-releasing hormone gene (Ghrh) results in a severe deficiency of the somatotrope GHRH-GH-IGF-1 axis causing dwarf phenotype that can be reversed by GH or GHRH supplementation (Alba & Salvatori, Endocrinology 2004;145:4134). In basal conditions, the immunological phenotype of Ghrh-/- mice is not markedly disturbed except for a decrease in B cells and an increase in generation of thymic (t) Treg cells (submitted for publication). These data prompted us to investigate immune responses of Ghrh-/- mice using vaccination and infection by S. pneumoniae as models since the response to both stimuli rely on the innate immune system and B cells. Ghrh-/- mice were unable to trigger production of specific IgM and IgG against serotype 1 pneumococcal polysaccharide (PPS) after vaccination with either native PPS (Pnx23) or protein-PPS conjugate (Prev-13) vaccines. A short GH supplementation to Ghrh-/- mice (1 daily injection of 1 mg/kg GH for 4 weeks) restored IgM and IgG response to Pnx23 vaccine but not to Prev-13. This suggests that GH differently impacts on B-1, marginal zone B-2 or innate B-1 B cells. Furthermore, after intranasal instillation of a non-lethal dose of serotype 1 S. pneumoniae, Ghrh-/- mice exhibited a dramatic susceptibility reflected by bacteremia 24h after infection and a survival limit of 72 h, compared to WT C57BL/6 mice that need only 24h to clear infection. The possible impact of GH deficiency on components of the innate immune system that play an important role in defense of the respiratory tract against pneumococcal infection is under current investigation. (*Equal first and last authors. KF is supported by a research grant from the Lebanese Government; GB is Research Assistant, CD is Research Associate, and VG is Research Director at the NFSR of Belgium). [less ▲]

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See detailTowards Optimization of Thermally Induced Magnetization Switching
Ostler, Thomas ULg

Conference (2016, November 04)

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See detailImpact of shoreline changes on population in Cotonou, Benin
de Longueville, Florence; Hountondji, Yvon-Carmen; Gemenne, François ULg et al

Poster (2016, November 04)

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See detailRisk management in Ivory Coast : Case Study of Population Evictions in Port-Bouët, Abidjan
Comoe, Raymond; Ozer, Pierre ULg

Poster (2016, November 04)

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See detail« Cap-Haïtien » or « how to ‘construct’ a flood risk in a decade »
Gracius, Gracia Joseph; Ozer, Pierre ULg

Poster (2016, November 04)

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See detailOf microbes, incidents and citizens: A look inside the Belgian Nuclear Research Centre SCK-CEN
Van Oudheusden, Michiel ULg

Conference (2016, November 04)

In this presentation, I provide an overview of the Belgian Nuclear Research Centre SCK-CEN and delve into three research lines presently being developed within the SCK-CEN social science research group: 1 ... [more ▼]

In this presentation, I provide an overview of the Belgian Nuclear Research Centre SCK-CEN and delve into three research lines presently being developed within the SCK-CEN social science research group: 1. citizen science after Fukushima, 2. incident reporting at SCK-CEN, 3. the impact of microbes and microbiology on radioactive waste governance. [less ▲]

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See detailRecent evolution of the coastline in the Gulf of Guinea. Example of Togo and Benin (2000-2015)
Ozer, Pierre ULg; Hountondji, Yvon-Carmen; de Longueville, Florence

Poster (2016, November 04)

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See detailWhat is going on here and now when a patient meets a family doctor? A P4 minded cybernetic observation of the consultation process.
Jamoulle, Marc ULg

Conference (2016, November 04)

The consultation is a meeting between two human beings, where one is the patient, playing the part of the sick, while the other plays the therapeutic role. It is also a meeting between knowledge and ... [more ▼]

The consultation is a meeting between two human beings, where one is the patient, playing the part of the sick, while the other plays the therapeutic role. It is also a meeting between knowledge and feeling. The doctor's knowledge/thoughts (true or false) influences the thoughts/knowledge (true or false) of the patient, in a dialectical relationship. In a way, the patient-doctor encounter is a meeting between science and conscience fitted in the symbolic world of human beings. The term science, as it is used here, encompasses the knowledge of the biological, the mental and the social being, as well as the observation of what is going on here and now, a cybernetic observation of the consultation itself, in a manner of speaking. Through his or her training, the doctor inevitably confronts the patient with the disease. It is his or her job to reveal it. He or she will be gratified to have, at least, found the evil, by always pushing the limits of diagnostic exploration. In an attempt to know better about what we are doing, we will go through a recent work on the main themes discussed by GPs during congresses ( www.hetop.eu/Q ) to examine which ones are dealing with the Quaternary prevention concept. We will ask to the participants if and when Quaternary prevention could exert a deep influence throughout their consultation process and their patients care pathway. [less ▲]

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See detailPeople moved and will move again
Gemenne, François ULg; de Longueville, Florence; De Bruyckere, Luka ULg et al

Poster (2016, November 04)

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See detailEntorse de cheville - Le traitement fonctionnel
Kaux, Jean-François ULg

Conference (2016, November 03)

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See detailLes problèmes “riches” de tournées de véhicules
Limbourg, Sabine ULg

Conference (2016, November 03)

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See detailQuaternary prevention and mental health
Jamoulle, Marc ULg

Conference (2016, November 03)

Quaternary prevention, as a product of the patient doctor relationships, involves actions taken to identify patients at risk of Overmedicalisation, to protect them from unnecessary medical procedures and ... [more ▼]

Quaternary prevention, as a product of the patient doctor relationships, involves actions taken to identify patients at risk of Overmedicalisation, to protect them from unnecessary medical procedures and offer ethically acceptable alternatives. Quaternary prevention, born from the meeting between two worlds of thought, two cultural backgrounds, two kinds of anxiety implies deep implications for decision about mental health issues. There is an urgent need for quaternary prevention in primary care mental health, to counter the medicalisation of normal distressing human emotions and take care with humanity of suffering human beings. The relational bases of the P4 concept are exposed. A Continual Profesional Development session (two days) of a team of 25 French GPs based in St Etienne, France (ADEPUL, CPD society, October 2016) about “Quaternary attitude and mental health” in six steps is related. Step 1; one month before the seminar : retrieving of clinical personal experiences . Step 2; sharing experiences in little groups report synthesis. Step 3; (second day) Critical reading report experts contributions. Step 4; Disease or disease mongering in mental health case reports debate. Step 5; Pros & cons trial about ADD/H, tribunal, attorney, lawyer, jury and final judgment. Step 6; After one month, exchange of modified clinical situations related by participants. [less ▲]

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See detailTerminologia Multilíngue de Clínica General / Medicina de Família e Comunidade
Jamoulle, Marc ULg; Treuherz, Arthur; Gomes, Luis Filipe et al

Poster (2016, November 02)

Creation of the Q-Codes online knowledge base The list of themes, called Q-Codes has been elaborated in a bottom-up approach, by retrieving, in a qualitative analysis study, the themes most frequently ... [more ▼]

Creation of the Q-Codes online knowledge base The list of themes, called Q-Codes has been elaborated in a bottom-up approach, by retrieving, in a qualitative analysis study, the themes most frequently addressed by GPs when they meet in congresses. A taxonomy has been build. A multilingual terminological record has been developed for each of the 182 items identified. This work is freely available online on www.hetop.eu/Q (free access after inscription) and is supported by the Rouen (France) biomedical informatics department of the University of Rouen (France). All the data are available in the Web Ontology language (OWL-2), an ontology-ready format fit for future use in the semantic web. The product, user guide and e-learning are available on http://3cgp.docpatient.net/ The Q-codes base is aimed at several uses: • Online repository of knowledge specific to GP/FM in several languages • Online PubMed linked bibliographic system easy to use for training in GP/FM • Resource for online e-learning • Resource for analysis of content of congresses in GP/FM in joint usage with ICPC-2 and indexation of gray literature • Research area : o automatic or semi-automatic congresses indexation system o linking GP/FM to the web of data and the linked data initiative The multilingual terminology in GP/FM Out of the online database we are proud to present you the • General Practice / Family Medicine Multilingual Terminology – English version • Terminologia Multilíngue de Clínica Geral / Medicina de Família e Comunidade - Versão em Português • Terminología multilingüe de la medicina general y de familia- Versión española • Terminologie multilingue de médecine générale et de famille – Version française • Een meertalige terminologie in de huisartsgeneeskunde - Nederlandse versie • Từ điển thuật ngữ đa ngôn ngữ về y học tổng quát và y học gia đình – (Vietnamese) • -Codes and definitions will be also available online in Korean and Turkish Those 6 books (60 pages) are readable / downloadable freely online on http://3cgp.docpatient.net/ and contain an explanation of the elaboration process of the taxonomy, a tabular list of the Q-Codes, the list of their definitions and an index. [less ▲]

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See detailThe Q-Codes: General Practice / Family Medicine Online Multilingual Terminology & Knowledge Base. A semantic web based resource in English, Portuguese, French, Spanish, Dutch, Vietnamese, Turkish and Korean
Jamoulle, Marc ULg; Gusso, Gustavo; Mariño, Maria Ana et al

Conference (2016, November 02)

The session is devoted to the launch of an online knowledge database specific to GP / FM. This work is the result of a two years’ work of a cooperative project between participants from 12 countries and 8 ... [more ▼]

The session is devoted to the launch of an online knowledge database specific to GP / FM. This work is the result of a two years’ work of a cooperative project between participants from 12 countries and 8 languages. People are now used to the International classification of Primary Care (ICPC-2) which addresses the clinical issues in GP/FM , ie Symptoms, Process and Diagnosis. We have work on non-clinical issues i.e. all themes addressed by GPs during congresses which concern organizational, ethical, structure, teaching or patient related issues not encompassed by ICPC-2. The letter Q was used to name Q-Codes because this letter wasn’t yet used in ICPC-2. Q-codes are a classification of non-clinical items in General Practice / Family Medicine (GP/FM). Q-codes are a classification of non-clinical items in General Practice / Family Medicine (GP/FM). After a demonstration of the Q-Codes terminology and of the online database, we are proud to present to you a new GP/FM terminology in 6 languages freely available online. Relevant urls are : • for Q-Codes knowledge base http://www.hetop.eu/Q • for user guide and download http://3cgp.docpatient.net/ Contact marc.jamoulle@doct.ulg.ac.be [less ▲]

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See detailLa compétitivité du transport intermodal
Limbourg, Sabine ULg

Conference (2016, November 02)

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See detailLife Cycle Costing for a Near Zero Energy Building in Jordan: Initial Study
Attia, Shady ULg; Al-Khuraissat, Maysoon

in The 5th Architectural Jordanian International Conference (2016, November 01)

Green Building movement has grown in Jordan for the last 10 year for environmental and financial reasons directly related to energy consumption and cost. Despite the few success stories, green design and ... [more ▼]

Green Building movement has grown in Jordan for the last 10 year for environmental and financial reasons directly related to energy consumption and cost. Despite the few success stories, green design and green buildings are not yet the norm in the building sector in the country. One main concern for design engineers as well as investors and building owners is the extra cost green building will bring compared to traditional one. This assumption is wrong since a building cost should be analyzed through its life cycle, which not only include design and construction but also operation and maintenance costs as well. Since issuing the Renewable Energy and Energy Efficiency Law No. 13 of 2012, Jordan opened a new era in the RE and EE, a changing point directly related to this law is the ability to sell electricity production to electricity companies and not only being consumers. The building sector is a direct winner if designers and engineers make right decisions. An ambitious but possible goal is to design and build Net Zero Buildings, which are buildings that produce energy as much as they consume. The aim of this paper is to provide real life cost-effective building strategies and design scenarios that will lead to a successful near Zero Energy Building in Jordan. The paper will use a representative residential apartment in the city of Amman (135- 155 m2) as the base case for the study. The design will be upgraded to include main green building strategies recommended for the climatic zone, provide loads for required systems, and test them all against performance and cost. Design scenarios will be tested and refined tell reach the best design formula that will be both functional and cost effective. The paper will provide a list of recommendations for best economically feasible design solutions and system selections that can lead to a near Zero Energy Building in Jordan for residential apartments. [less ▲]

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See detailFirst Order Phase Transition in FePt/FeRh Bilayers
Ostler, Thomas ULg; Barton, Craig; Hrkac, Gino et al

Conference (2016, November 01)

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See detailContrôle de la variabilité interannuelle de la composition du phytoplancton de la Baie de Calvi (Corse) par les facteurs environnementaux
Goffart, Anne ULg; Andral, Bruno; Baldi, Yoann et al

Conference (2016, November)

Le but de la présentation est de synthétiser les connaissances sur le contrôle de la dynamique du phytoplancton par les contraintes environnementales dans un site de référence méditerranéen. L’étude est ... [more ▼]

Le but de la présentation est de synthétiser les connaissances sur le contrôle de la dynamique du phytoplancton par les contraintes environnementales dans un site de référence méditerranéen. L’étude est réalisée en Baie de Calvi (Corse) à la station PHYTOCLY (42°34.85'N, 08°43.71'E) où des séries temporelles haute fréquence de données physiques, chimiques et biologiques sont réalisées depuis 1979. Depuis 2006, l’acquisition des données de subsurface et le traitement des échantillons, qui inclut des analyses HPLC de contenu pigmentaire du phytoplancton et des comptages de flore totale, sont réalisés grâce au soutien de la DCE. En Baie de Calvi, l’intensité de la rigueur hivernale, identifiée par deux proxys, la température de l’eau et le nombre de jours de vent fort, contrôle le réapprovisionnement en sels nutritifs des couches de surface et le développement du bloom phytoplanctonique (détails dans Goffart et al., 2015, Progress in Oceanography). Lors des années caractérisées par un hiver rigoureux (e.g. 2010), le bloom phytoplanctonique hivernal se développe pendant la période d’eau froide (eau de subsurface ≤13.5°C). Il est dominé par les diatomées et les cryptophycées, deux groupes qui montrent une préférence marquée pour les eaux froides et riches en sels nutritifs. Lorsque l’hiver est très doux (e.g. 2007), la disponibilité en sels nutritifs est réduite et le bloom ne se développe pas. Les diatomées et les cryptophycées sont absentes, et les communautés phytoplanctoniques sont dominées par les prymnesiophycées pico- et nanoplanctoniques et les cyanobactéries. Les résultats de l’étude permettent aussi : • de fixer les limites de la variabilité naturelle du phytoplancton dans un site de référence méditerranéen, • d’expliquer les variations interannuelles de biomasse et de composition phytoplanctonique, • de définir les préférences écologiques des différents groupes phytoplanctoniques, • d’établir des courbes d’évolution saisonnière des principaux groupes phytoplanctoniques qui intègrent la variabilité interannuelle liée aux variations climatiques. La connaissance acquise au cours de cette étude permet de contribuer au développement d’indices de qualité intégrant la composition du phytoplancton (e.g. indice de composition I C MEDIT) et de tester des méthodes de surveillance à grande échelle (e.g. croisement des suivis pigmentaires réalisés à haute fréquence et de l’imagerie satellitaire), contribuant ainsi à la mise en œuvre des politiques publiques (DCE, DCSMM). [less ▲]

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See detailCROSS-CULTURAL TRANSLATION, VALIDITY AND RELIABILITY OF THE FRENCH VERSION OF THE « PAIN BELIEFS QUESTIONNAIRE »
Demoulin, Christophe ULg; Duvallon, Louise ULg; Roussel, N. et al

in Back to Specific Low Back Pain (2016, November)

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See detailCaractéristiques et évolution de la force après rééducation de la rupture de coiffe des rotateurs
Forthomme, Bénédicte ULg; Schwartz, Cédric ULg; MAHIEU, Xavier ULg et al

in Abstract Book des XVIIIèmes RENCONTRES ISOCINETIQUES MEDIMEX / ROTSCHILD (2016, November)

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See detailPreoptic glutamate and estradiol release during male sexual behavior
de Bournonville, Catherine ULg; de Bournonville, Marie-Pierre ULg; Aourz, Najat et al

Poster (2016, November)

Beside its long-term control by steroids, male sexual behavior is also modulated by neuroestrogens in a dynamic way (within minutes) in a number of species ranging from fishes to mammals. Studies in male ... [more ▼]

Beside its long-term control by steroids, male sexual behavior is also modulated by neuroestrogens in a dynamic way (within minutes) in a number of species ranging from fishes to mammals. Studies in male Japanese quail have also identified following exposure to a receptive female a rapid decrease in the activity of brain aromatase (AA) the enzyme responsible for the conversion of androgens into estrogens. These effects occur mainly within the medial preoptic nucleus (POM), a sexually dimorphic structure of the preoptic area that plays a key role in the activation of male sexual behavior and contains the highest AA in the brain. In vitro studies demonstrated that AA can be rapidly inhibited by calcium-dependent phosphorylations of the enzyme triggered by the activation of AMPA and kainate receptors. We confirmed here this rapid effect of glutamate on AA by injecting kainate in the POM of anesthetized males and measuring AA in the tissue after brain collection. AA in POM was inhibited in the kainate-injected hemisphere compared to the control hemisphere injected with vehicle. In a second experiment, we showed by in vivo microdialysis that glutamate is released in POM during copulation. These results thus suggest that glutamate controls dynamic changes of AA that occur in the brain during sexual interactions. To confirm that the decrease in AA leads to an actual reduction of local estradiol concentration, we quantified via microdialysis and radioimmunoassay changes in estradiol concentration in the male POM during sexual interactions with a female. Surprisingly, a dramatic elevation of estradiol was observed during copulation. Estradiol has been shown to enhance acutely male sexual motivation, therefore the function of its increase in the POM could be to maintain motivation during the entire sexual encounter. The decrease of AA observed ex vivo after copulation would then reflect a compensatory mechanism to restore baseline pre-copulatory conditions. Importantly, these results highlight that although long-term changes in AA are often used as a proxy for local estradiol concentrations, these two measures can show major short-term discrepancies possibly reflecting variations in estrogen turnover. [less ▲]

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See detailRobustness of spatial autocorrelation tests
Ernst, Marie ULg

Poster (2016, November)

Spatial autocorrelation expresses the dependence between values at neighbouring locations. Testing if the spatial autocorrelation is significant may confirm or deny the need to consider spatial analysis ... [more ▼]

Spatial autocorrelation expresses the dependence between values at neighbouring locations. Testing if the spatial autocorrelation is significant may confirm or deny the need to consider spatial analysis over the classical one. Indeed, the analysis of spatial data is only meaningful if the spatial components bring information. Several measures of spatial autocorrelation are defined in the literature. Moran’s index, Geary’s ratio and Getis-Ord statistic are the most used statistics. Tests based on these measures have been developed in the literature using asymptotic and permutation results. They are used in practice in many fields, for instance in geography, economics, biogeosciences, medicine, ... However, these tests should be cautiously applied because they are not robust. A single contaminated observation can significantly modify their results. This poster is composed of two parts. Firstly, the robustness of already available tools for measuring spatial autocorrelation will be analysed. Secondly, alternative methods will be proposed to robustly test the spatial autocorrelation. [less ▲]

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See detailKnowledge and beliefs of health care professionals performing thrust spinal manipulations on these techniques: A preliminary study
Demoulin, Christophe ULg; TOUSSAINT, Geoffrey ULg; Grosdent, Stéphanie ULg et al

in Vleeming, Andry (Ed.) 9th Interdisciplinary World Congress on Low Back and Pelvic Girdle Pain - Progress in Evidence based diagnosis and treatment (2016, November)

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See detailMotor control learning at the lumbar spine using sensor-based postural feedback: Preliminary results of a randomized controlled trial
Matheve, T.; Demoulin, Christophe ULg; Claes, G. et al

in Vleeming, Andry (Ed.) 9th Interdisciplinary World Congress on Low Back and Pelvic Girdle Pain - Progress in Evidence based diagnosis and treatment (2016, November)

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See detailBeliefs in the general population regarding the "cracking" or "popping" noise from spine thrust manipulation
Demoulin, Christophe ULg; Baeri, D.; TOUSSAINT, Geoffrey ULg et al

in Vleeming, Andry (Ed.) 9th Interdisciplinary World Congress on Low Back and Pelvic Girdle Pain - Progress in Evidence based diagnosis and treatment (2016, November)

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See detailComparisons of estimated GFR and Cockcroft Gault equations: calibration against relative risk for all-cause mortality.
Warnock, DG; van den Brand, JAJG; DELANAYE, Pierre ULg et al

Poster (2016, November)

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See detailAre fatigue-related EMG parameters correlated to trunk extensor muscles fatigue induced by the Sorensen test?
Demoulin, Christophe ULg; George, F.; Matheve, T. et al

in Vleeming, Andry (Ed.) 9th Interdisciplinary World Congress on Low Back and Pelvic Girdle Pain - Progress in Evidence based diagnosis and treatment (2016, November)

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See detailShould hamstring muscles be stretched by flexing the hip while keeping the knee extended or by flexing the hip with a flexed knee and then extending the knee?
Demoulin, Christophe ULg; Wolfs, Sébastien ULg; Chevalier, M. et al

in Vleeming, Andry (Ed.) 9th Interdisciplinary World Congress on Low Back and Pelvic Girdle Pain - Progress in Evidence based diagnosis and treatment (2016, November)

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See detailLiturgie, cérémonial et architecture des églises des congrégations féminines implantées en ville sur la « dorsale catholique » (XVe-XVIIIe siècles)
Piront, Julie ULg

Conference (2016, November)

Dans les églises des congrégations féminines, la problématique du « voir » est étroitement associée au « ne pas être vu ». Plus encore que leurs homologues masculins, moniales et religieuses, implantées ... [more ▼]

Dans les églises des congrégations féminines, la problématique du « voir » est étroitement associée au « ne pas être vu ». Plus encore que leurs homologues masculins, moniales et religieuses, implantées en milieu urbain tout en étant soumises à la stricte clôture, ont dû trouver des solutions architecturales qui satisfassent à ces deux exigences. Dans ce contexte, les enjeux se focalisent en particulier sur l’articulation de l’église « extérieure » et de l’église « intérieure » – pour reprendre l’expression de Carlo Borromeo – où se déroulent les principaux moments de la vie liturgique de la communauté. En examinant les églises de trois ordres méconnus implantés aux frontières de la catholicité entre le XVe et le XVIIIe siècle (chanoinesses du Saint-Sépulcre, bénédictines réformées de la Paix Notre-Dame et annonciades célestes), il s’agit d’analyser tant la forme (plan, décor, mobilier) que la fonction des nouvelles constructions, mais aussi les aménagements – bien moins connus – des églises monastiques préexistantes et des maisons particulières acquises lors de la fondation. [less ▲]

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See detailGlomerular filtration rate in healthy living potential kidney donors: a meta-analysis.
Pottel, H; Hoste; DELANAYE, Pierre ULg

Poster (2016, November)

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See detailCartels in the EU: who appeals and who wins?
Gautier, Axel ULg

Conference (2016, November)

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See detailThe Base of Fabia Fabiana from Acci (Guadix, Granada). A Reassessment
Veymiers, Richard ULg; Gasparini, Valentino

Conference (2016, November)

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See detailHolographie numérique en infrarouge lointain - Applications aérospatiales
Georges, Marc ULg; Vandenrijt, Jean-François ULg; Languy, Fabian ULg et al

Conference (2016, November)

L'holographie numérique en infrarouge lointain, utilisant un laser CO2 émettant vers 10 µm et des caméras thermiques à microbolomètres, permet la mesure de grandes déformations et de s'affranchir des ... [more ▼]

L'holographie numérique en infrarouge lointain, utilisant un laser CO2 émettant vers 10 µm et des caméras thermiques à microbolomètres, permet la mesure de grandes déformations et de s'affranchir des perturbations environnementales plus facilement qu'en lumière visible. Nous l'appliquons dans le cas de structures spatiales subissant des cyclages thermiques en régime cryogénique sous vide, ce qui induit des déplacements de grande ampleur. Nous passerons en revue les différentes expériences effectuées au Centre Spatial de Liège et discuterons des recherches en cours, notamment pour utiliser des longueurs d'onde plus grande (ondes Terahertz) [less ▲]

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See detailStability and Consistency of the LISP Pull Routing Architecture
Li, Yue; Saucez, Damien; Iannone, Luigi et al

in Proc. IEEE Workshop on Network Measurements (WNM) (2016, November)

Future Internet has been a hot topic for the last decade. One of the approaches put forward in order to revise the Internet architecture is LISP~--~Locator/ID Separation Protocol, which leverages the ... [more ▼]

Future Internet has been a hot topic for the last decade. One of the approaches put forward in order to revise the Internet architecture is LISP~--~Locator/ID Separation Protocol, which leverages the separation of the identifier and the locator roles of IP addresses. Contrary to the classical push model used by the BGP-based routing architecture, LISP relies on a pull model. In particular, routing information is pulled from a new network element, the Mapping System, to provide the association between the identifier (i.e., the address used to identify a host inside a domain) and a list of locators (i.e., the addresses to locate an attachment point) upon an explicit query. In this paper, we evaluate a LISP Mapping System deployment in the public LISP Beta Network from two standpoints: Stability and Consistency. Our measurements show that the mapping information is stable over time and consistent between the different mapping entities and the vantage points. Our analysis shows that there are cases where the Mapping System is unstable and/or inconsistent, hence, beside proposing a taxonomy in order to classify them, we carry out an in-depth investigation of such cases so to provide hints on how to improve the performance of LISP. [less ▲]

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See detailOn the Analysis of Internet Paths with DisNETPerf, a Distributed Paths Performance Analyzer
Wassermann, Sarah ULg; Casas, Pedro; Donnet, Benoît ULg et al

in Proc. 10th IEEE Workshop on Network Measurements (WNM) (2016, November)

Traceroute is the most widely used Internet path analysis tool today to study the topology of the Internet and to diagnose routing failures as well as poor performance events. A major limitation of ... [more ▼]

Traceroute is the most widely used Internet path analysis tool today to study the topology of the Internet and to diagnose routing failures as well as poor performance events. A major limitation of traceroute when the destination is not controllable by the user is its inability to measure reverse paths, i.e., the path from any given destination back to the source. This is a major drawback for ISPs, who need to understand the performance of the Internet paths connecting popular services (e.g., YouTube and Facebook) to their customers. Even if public servers and distributed measurement platforms can provide partial reverse path visibility through ad-hoc measurements, there is still a need for a structured approach capable of analyzing the performance of Internet paths connecting any pair of nodes (servers, routers, hosts, etc.). While the problem of reverse traceroute has been addressed in the past, proposed techniques rely on IP address spoofing – which might lead to security concerns, and assume the availability of certain route-tracking options –, which might not be available. In this paper, we introduce and evaluate DisNETPerf, a new tool which provides exactly the same type of information as traceroute, but for paths connecting arbitrarily selected nodes. DisNETPerf works by firstly locating probes (i.e., measurement points) that are the closest to a given target node, using them to perform traceroute measurements from the target point-of-view to a given destination for path performance monitoring and troubleshooting purposes. We propose two techniques for probe location, and demonstrate that the reverse path (from server to users) can be measured with very high accuracy in certain scenarios. We also analyze relevant characteristics of Internet paths and distributed measurement platforms, which reinforce the applicability and relevance of DisNETPerf in current Internet. [less ▲]

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See detailSpinal pain in elite field hockey players: A systematic review
Roussel, N.A.; Rottiers, J.; Lemmens, J. et al

in Vleeming, Andry (Ed.) 9th Interdisciplinary World Congress on Low Back and Pelvic Girdle Pain - Progress in Evidence based diagnosis and treatment (2016, November)

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See detailA single group session of pain physiology education is effective to improve the understanding of neurophysiology of pain in patients with chronic low back pain
Demoulin, Christophe ULg; Brasseur, Pauline; Crielaard, Jean-Michel ULg et al

in Vleeming, Andry (Ed.) 9th Interdisciplinary World Congress on Low Back and Pelvic Girdle Pain - Progress in Evidence based diagnosis and treatment (2016, November)

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See detailNitric Oxide nightglow from IUVS disk images
Stiepen, Arnaud ULg; Schneider; Gonzàlez-Galindo et al

Conference (2016, November)

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See detailSpeech style manipulations in dysarthria in French-speaking children: Acoustic findings.
Ancelle, Josephine; Moya Gale, G.; Hetrick, B et al

Poster (2016, November)

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See detailMOTOR CONTROL LEARNING AT THE LUMBAR SPINE USING SENSOR-BASED POSTURAL FEEDBACK: A RANDOMIZED CONTROLLED TRIAL
Matheve, T.; Demoulin, Christophe ULg; Claes, G. et al

in Back to Specific Low Back Pain (2016, November)

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See detailSPINAL PAIN IN ELITE FIELD HOCKEY PLAYERS: A CROSS SECTIONAL STUDY
Lemmens, J.; Rottiers, J.; Demeure, I. et al

in Back to Specific Low Back Pain (2016, November)

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See detailCLINICAL ASSESSMENT TEST OF FEAR AVOIDANCE FOR CHRONIC LOW BACK PAIN PATIENT
SOMVILLE, Pierre-René ULg; Valoir, M.; Demoulin, Christophe ULg

in Back to Specific Low Back Pain (2016, November)

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See detailRécupération musculaire après plastie LCA : conséquences sur le retour au sport
Croisier, Jean-Louis ULg; Delvaux, François ULg; Kaux, Jean-François ULg et al

in Abstract Book des XVIIIèmes RENCONTRES ISOCINETIQUES MEDIMEX / ROTSCHILD (2016, November)

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See detailExcited hyperons of the N = 2 band in the 1/Nc expansion
Stancu, Floarea ULg

in Bled Workshops in Physics (2016, November), 17(1), 25-31

The spectrum of excited baryons in the $N$ = 2 band is reanalyzed in the $1/N_c$ expansion method, with emphasis on hyperons. Predictions are made for the classification of these excited baryons into SU(3 ... [more ▼]

The spectrum of excited baryons in the $N$ = 2 band is reanalyzed in the $1/N_c$ expansion method, with emphasis on hyperons. Predictions are made for the classification of these excited baryons into SU(3) singlets, octets and decuplets. [less ▲]

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See detailEfficient Computation of the Minimum of Shape Quality Measures on Curvilinear Finite Elements
Johnen, Amaury ULg; Geuzaine, Christophe ULg; Toulorge, Thomas et al

in Procedia Engineering (2016, November), 163

We present a method for computing robust shape quality measures defined for any order of finite elements. All type of elements are considered, including pyramids. The measures are defined as the minimum ... [more ▼]

We present a method for computing robust shape quality measures defined for any order of finite elements. All type of elements are considered, including pyramids. The measures are defined as the minimum of the pointwise quality of curved elements. The computation of the minimum, based on previous work presented by Johnen et al. (2013) [1] and [2], is very efficient. The key feature is to expand polynomial quantities into Bézier bases which allows to compute sharp bounds on the minimum of the pointwise quality measures. [less ▲]

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See detailL’âgisme chez les étudiants en médecine
Corvol, Aline; Missotten, Pierre ULg; Gentric, Armelle et al

Poster (2016, November)

Introduction: Des stéréotypes négatifs liés à l’avancée en âge sont fréquemment observés en population générale. Des études ont montré que ces stéréotypes sont plus puissants que ceux liés à l’origine ... [more ▼]

Introduction: Des stéréotypes négatifs liés à l’avancée en âge sont fréquemment observés en population générale. Des études ont montré que ces stéréotypes sont plus puissants que ceux liés à l’origine ethnique, au sexe ou à l’orientation sexuelle. Lorsqu’ils sont présents chez les soignants, ces stéréotypes peuvent entrainer des discriminations et limiter l’accès aux soins des personnes âgées (Schroyen et al., 2016). Il a en outre été démontré qu’un comportement d’aide injustifiée pouvait favoriser la perte d’autonomie chez une personne âgée. L’objectif de cette étude est d’évaluer la force des stéréotypes âgistes chez les étudiants en médecine et de rechercher les facteurs qui y sont associés. Méthodes: Un questionnaire écrit informatisé a été proposé aux étudiants en médecine des facultés de Rennes, Brest et Liège, de la 2ème à la 6ème année. Il associe trois mesures : l’Adaptation française de Fraboni Scale of Ageism, une tâche de fluence verbale à propos du vieillissement et de la jeunesse, et une mesure de la stigmatisation liée à l’âge par estimation de pourcentages. Résultats: Des données ont été obtenues pour 570 étudiants à Rennes et 485 à Liège; le recueil de données se poursuit à Brest. Les premières analyses confirment que l’âgisme est largement répandu chez les étudiants en médecine, avec des résultats globalement similaires à Rennes et Liège. Les étudiants de sexe masculins, ceux qui ont peu de contact avec des personnes âgées, ou qui ont des contacts jugés de mauvaise qualité, sont plus susceptibles d’exprimer des stéréotypes âgistes. Le fait d’avoir fait un stage dans un service de gériatrie ou d’avoir bénéficié d’un enseignement de la gériatrie ne semble pas influencer significativement ces stéréotypes. Conclusion: L’enseignement de la gériatrie aux étudiants en médecine doit prendre en compte la fréquence des stéréotypes âgistes. Nos résultats étant soumis à un biais de désirabilité sociale, des études portant sur les stéréotypes implicites (inconscients) seraient utiles. Une meilleure connaissance de l'âgisme et de ses déterminants chez les étudiants en médecine est nécessaire à l'élaboration d'approches pédagogiques susceptibles de limiter les conséquences de ces stéréotypes sur la qualité des soins aux personnes âgées [less ▲]

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See detailInstitut de droit International’s Crisis (1873-1890’)
Genin, Vincent ULg

Conference (2016, November)

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See detailEvaluation et gestion des scenarii de dysfonctionnement des barrages-réservoirs en Belgique
Liégeois, Benoît; Pirotton, Michel ULg; Dewals, Benjamin ULg et al

in Sûreté des barrages et enjeux (2016, November)

Belgium has fifteen structures included in the list of large dams of the International Committee on Large Dams. Six are managed by Engie Company, the other nine are owned by the Walloon regional public ... [more ▼]

Belgium has fifteen structures included in the list of large dams of the International Committee on Large Dams. Six are managed by Engie Company, the other nine are owned by the Walloon regional public authority. The Belgian legislator has never enacted specific rules for large dams. However, managers have always been concerned with this issue. They developed procedures and methods that were subject to exchanges of experience with their counterparts, in particular through the Belgian Committee on Large Dams. In this ongoing research of security, the impact of multiple failure scenarios (dam break, quick emptying …) on the people and the environment downstream of dams is a particular focal point. An impact study has been conducted for the main plants. This study is based on a deterministic numerical method. The methodology, the assumptions regarding the failure mode or emptying and the lessons learned from the analyses are presented. These results are an important step in the assessment and the management of risks. Indeed, regulations were recently enacted for the management and the coordination of any activity likely to seriously impact public safety during crisis periods. These rules apply therefore for large dams. In this context, managers have established an emergency plan for each structure. This paper provides a broad overview on the issues of the evaluation and the management of dysfunction risks of Belgian dams, as well as on approaches and collaborations initiated between the private managers and public authority. [less ▲]

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See detailScreening for genetic causes of GH hypersecretion
Rostomyan, Liliya ULg; Beckers, Albert ULg

Conference (2016, November)

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See detailSpinal pain in elite field hockey players: A cross sectional study
Roussel, N.A.; Demeure, I.; Demoulin, Christophe ULg et al

in Vleeming, Andry (Ed.) 9th Interdisciplinary World Congress on Low Back and Pelvic Girdle Pain - Progress in Evidence based diagnosis and treatment (2016, November)

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See detailWeak performance of glomerular filtration rate equations in stable lung/liver transplant recipients compared to 51Cr-EDTA clearance.
Navaux, Emilie; Gustot, Thierry; Racape, Judith et al

Conference (2016, November)

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See detailATTITUDES AND BELIEFS CONCERNING LOW BACK PAIN AMONG PHYSIOTHERAPY STUDENTS IN BELGIUM AND THE NETHERLANDS: A CROSSSECTIONAL STUDY
Leysen, M.; Nijs, J.; Van Wilgen, C.P. et al

in Back to Specific Low Back Pain (2016, November)

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See detailApplication of rep-PCR as molecular typing method for dermatophytes
SACHELI, Rosalie ULg; ADJETEY BAHUN, Akolé ULg; DARFOUF, Rajae ULg et al

Conference (2016, October 29)

Background The distinction of dermatophytes strains by conventional methods is problematic due to a lack of reliable characteristics between isolates. The ability to identify individual organisms allows ... [more ▼]

Background The distinction of dermatophytes strains by conventional methods is problematic due to a lack of reliable characteristics between isolates. The ability to identify individual organisms allows identification of infection sources, such as communal swimming and public washing rooms and apply appropriate control measures. Several outbreaks of dermatophytes infection have already been described in Europe and the feasibility of comparing DNA fingerprints is of interest in this particular field. We have successfully applied the rep-PCR method for typing dermatophytes species such as Microsporum audouinii, Trichophyton violaceum and Trichophyton mentagrophytes complex (T.mentagrophytes complex). Methods The Diversilab® system (bioMérieux, France) has been used to perform rep-PCR. Strains of M. audouinii (116) and T. violaceum (23) were collected during a national survey conducted by the National Reference center (NRC) for mycoses (Liège) in Belgium from February 2013 to March 2014. Strains of T. mentagrophytes complex (32) are part of the national collection of the NRC collected between 2012 and 2015. Results The Diversilab® is able to distinguish different subspecies between the same species complex as it was confirmed with the T. mentagrophytes complex. For this group of strains, two major groups are clearly visible after Diversilab analysis and correspond to white strains (ITS sequenced as T. interdigitale) and yellow strains (ITS sequenced as A. benhamiae) of T. mentagrophytes complex. Both groups share only 70% of similarity. Within a same species of dermatophyte, the Rep-PCR is also able to define several subgroups sometimes linked with epidemiological factors. Inside the T. violaceum strains circulating in Belgium, two different DNA fingerprints have been found. These two subgroups were well separated regarding the geographical location in Belgium (Wallonia and Flanders). Inside the M. audouinii species, 6 different DNA fingerprints have been detected with a main group. The degree of similarity between these six groups is comprised between 85,6% and 94%. Strains belonging to the six groups were defined as M. audouinii by ITS sequencing. Conclusion The DiversiLab® system with the Rep-PCR technology proved to be an efficient method for dermatophytes molecular typing. It is highly sensitive to discriminate small genotypic variation between two strains within the same species which is not possible with other molecular methods such as ITS sequencing. Inside the T. mentagrophytes complex, it permits to easily distinguish the yellow zoophilic strains from the white anthropophilic strain, hardly possible by microscopy. [less ▲]

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See detail"Madame Bovary c'est moi"
Cormann, Grégory ULg

Conference (2016, October 29)

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See detailDeriving cultural heritage values: the use of social media
Ginzarly, Manal ULg; Teller, Jacques ULg

in Old and New Media for the Image of the Landscape (2016, October 28)

Nel 2011 l’UNESCO ha adottato la Raccomandazione sul Paesaggio Storico Urbano che mira al riconoscimento e all'identificazione della stratificazione e dell'interconnessione dei valori - naturali e ... [more ▼]

Nel 2011 l’UNESCO ha adottato la Raccomandazione sul Paesaggio Storico Urbano che mira al riconoscimento e all'identificazione della stratificazione e dell'interconnessione dei valori - naturali e culturali, materiali e immateriali, internazionali e locali – riscontrabili in qualsiasi città storica, concepita come un “patrimonio vivente” delle comunità. In tale visione il patrimonio culturale urbano è un elemento riconosciuto non solo dagli esperti, ma dalle intere società che ne valutano gli elementi identitari mirando a conservarli per le generazioni future. La Raccomandazione, in particolare, sostiene che per l'interpretazione e la conservazione del patrimonio culturale si può beneficiare di metodi di valutazione tradizionali e di metodi innovativi basati su dati geo-localizzati e sui dati digitali dei social media, come tweets geo-localizzati, impronte digitali e foto su Flickr. Il presente contributo illustra una metodologia basata sull’analisi delle immagini su Flickr. Dai risultati ottenuti si è evinto che proprio l’indagine dei social media può contribuire ad una comprensione significativa dei valori culturali del contesto urbano, fornendo così la possibilità di una migliore integrazione dei valori socio-culturali riconosciuti dalla collettività nei processi di conservazione e di pianificazione urbana. [less ▲]

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See detailLes masques de Sartre: de l'anthropologie à Frantz Fanon et Hubert Lyautey
Cormann, Grégory ULg

Conference (2016, October 28)

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See detailQuelques réflexions à propos du régime de (dé)fiscalisation des revenus des PME dans le système fiscal belge
Bourgeois, Marc ULg

in Aydogdu, Roman (Ed.) Les petites et moyennes entreprises dans le droit des affaires (2016, October 27)

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See detailCase report: Ovarian fibroma in a mare – Hormonal considerations
Ponthier, Jérôme ULg; Salciccia, Alexandra ULg; Parrilla Hernandez, Sonia ULg et al

in Reproduction in Domestic Animals (2016, October 27), 51(supplement 2), 132

This report shows that, as in humans, AMH as well as steroids productions are low in case of ovarian fibroma, thus preserving normal cyclicity.

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See detailPlant functional trait diversity in wildflower strips: the key to promote pollinators in agricultural landscapes?
Uyttenbroeck, Roel ULg; Piqueray, Julien; Monty, Arnaud ULg

Conference (2016, October 27)

Creating wildflower strips is often suggested as a tool to support pollinator diversity in agricultural landscapes and to promote crop pollination service. The choice of the plant species to sow in flower ... [more ▼]

Creating wildflower strips is often suggested as a tool to support pollinator diversity in agricultural landscapes and to promote crop pollination service. The choice of the plant species to sow in flower strips can influence the effectivity of the strips in supporting pollinators. While it has already been shown that increasing plant species diversity is beneficial for ecosystem services, it is often suggested that plant functional traits and functional trait diversity are the key for this relationship. We created a replicated field experiment with different levels of plant functional diversity in wildflower strips in Belgium to test the effect on the flower-visiting pollinator community. We sampled plant-pollinator interaction networks during 2 years and assessed how the plant functional diversity affected the network structure. Plant functional diversity did not have a clear effect on visiting pollinator species richness, however a different interaction pattern was observed with different functional diversity level. Pollinators in wildflower strips with higher functional diversity had less overlap in their ecological niche, while network stability and robustness for secondary extinctions were not affected. We discuss implications for wildflower strip design. [less ▲]

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See detailEcoNum, a research unit devoted to marine environment monitoring
Richir, Jonathan ULg; Batigny, Antoine; Georges, Nadège et al

Conference (2016, October 27)

The monitoring of coastal environments remains a research domain of great interest and concern. Coastal ecosystems are threatened by natural and human-induced stressors and are, as transitional ... [more ▼]

The monitoring of coastal environments remains a research domain of great interest and concern. Coastal ecosystems are threatened by natural and human-induced stressors and are, as transitional environments, particularly sensitive to disturbances. EcoNum first research thematic revolves around hermatypic corals, calcifying organisms, and their adaptation potentials to environmental changes including by using original and patented chemostats. The studied organisms are grown and maintained in artificial mesocosms that simulate environmental conditions of a natural system. This infrastructure allows to perform long-term experiments, giving time to organisms to adapt to the tested conditions (e.g., increased temperature or lowered pH). Longer-term studies have demonstrated that many organisms are more resistant to environmental stressors than previously observed on the short-term. EcoNum also studies coastal plankton abundance and diversity. Plankton is particularly sensitive to physicochemical changes of water bodies. The classification and the enumeration of planktonic organisms require specialized tools in order to analyse time series of multiple samples. EcoNum has developed a software for the semi-automatic classification of planktonic organisms called Zoo/PhytoImage. This software has been used to study a 10-year time series of coastal Mediterranean zooplankton samples. The concomitant analysis of environmental parameters registered at high frequency with specific statistical tools such as the R package pastecs allows to understand the processes governing the changes observed in plankton assemblages. The use and the development of statistical tools in R (e.g., Zoo/Phytoimage, pastecs) is a priority of EcoNum to favour open access knowledge and reproductive sciences. EcoNum research topics also focus on coastal ecotoxicology. Chemicals, including trace elements, remain contaminants of concern, mainly in coastal environments that are the final sink of inland pollution sources. The chemical integrity of coastal ecosystems thus has to be accurately monitored. The partitioning of chemicals between their dissolved, particulate and sedimentary phases does not provide information on their bioavailability. EcoNum thus monitors coastal waters using bioindicator species such as seagrasses, mussels or sand worms. A global map of the contamination of the Mediterranean by trace elements has been drawn using seagrasses has bioindicator species. EcoNum also studies trace element ecology and toxicology. For instance, it has demonstrated the toxicity of copper on the coral Seriatopora hystrix and it's symbiont's photosynthetic processes, or its bioaccumulation and basipetal translocation towards rhizomes in the seagrass Posidonia oceanica as reserve nutrient for subsequent leaf growth. Finally, coastal vegetated systems are potential carbon thinks (or sources) in the global carbon cycle. Therefore, EcoNum studies the primary productivity of seagrass meadows, from the individual to the community, with measuring techniques as diverse as PAM-fluorometry or biomass production determination. To conclude, EcoNum is a research unit devoted to marine environment monitoring. It develops research thematics on major coastal communities such as coral reefs, seagrass beds or plankton assemblages and studies their natural dynamics and the effects of stressors on their global functioning. [less ▲]

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See detailSilurian palynomorphs from the Precordillera basin, western Argentina: biostratigraphy and diversity trends
Garcia Muro, V.J.; Rubinstein, C.V.; Steemans, Philippe ULg

Poster (2016, October 27)

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See detailOccurrence and significance of minute palynomorphs of marine and non - marine origin in the Middle Ordovician from Saudi Arabia
Le Hérissé, A.; Guidat, C.; Not, F. et al

Conference (2016, October 27)

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See detailLes 10 ans d’Envol à l’école Saint-Pierre : La musique et le conte au centre des apprentissages et du vivre ensemble dans les classes
Gavray, Claire ULg

Conference (2016, October 27)

historique du projet, évaluation des apports et perspectives

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See detailPalynology and palaeogeography of the middle Přídolí from Saudi Arabia
Steemans, Philippe ULg; Breuer, P.; Al-Hajri, S. et al

Conference (2016, October 27)

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See detailBounding surface plasticity model for natural clays
Ahayan, Sanae ULg; Yin, Zhen-Yu; Kotronis, Panagiotis et al

Conference (2016, October 26)

Natural soft clay exhibits a considerable degree of anisotropy as a result of its past sedimentation and consolidation history. It also tends to have significant inter-particle bonding, which affects its ... [more ▼]

Natural soft clay exhibits a considerable degree of anisotropy as a result of its past sedimentation and consolidation history. It also tends to have significant inter-particle bonding, which affects its mechanical behavior. The natural structure of in-situ soils makes their behavior different from that of a reconstituted material. In fact, most clays lose a proportion of their strength when remoulded. Various authors proposed anisotropic elastoplastic soil models allowing the yield surface to rotate with the stress history. These models have a “rotational hardening law" which relates the change of the inclination of the yield surface to the current soil state and to the increments of the plastic volumetric and/or shear strain, [Sekiguchi and Otha (1977)], [Hashiguchi and Chen (1998)], [Wheeller et al (2003)]… Other authors combine the plastic anisotropy with destructuration effects observed in soft sensitive soils by assuming that the size and /or the position of the center of the yield surface depends on the amount of the structural soil degradation. These models use an additional isotropic hardening law that relates the size and/or the position of the yield surface of the intact sample to that of the reconstituted one [Nova et al (2003)]. The previous models provide little or no flexibility when it comes to describe the change of the plastic modulus with the loading direction as they are unable to produce a smooth degradation of the stiffness, being single yield surface models. A way to improve this behavior is to introduce the “bounding surface plasticity” theory, initially developed by Dafalias [Dafalias and Herrmann 1986]. Unlike a single yield surface model, the bounding surface theory allows a smooth transition of stresses within and on the bounding surface. The mean feature of this concept is that the actual stress is mapped to the imaginary stress on the bounding surface. The distance between the real and imaginary stress, which is called the “ function distance ”, is used to specify the plastic modulus. This work presents a bounding surface plasticity model for natural and structured clays based on the critical state theory. A novel rotational hardening rule for clays is presented, and a hardening function distance is introduced to describe the evolution of the bounding surface. Validation of the model is provided by drained and undrained tests of Scottish and Finnish intact and reconstituted clays [Kastunnen 2008]. Finally, finite element simulations of a foundation considering the formulated constitutive law are presented. [less ▲]

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See detailLa importación literaria a finales del siglo XIX en Colombia: el caso de José Asunción Silva
Mogollon Zapata, Juan Manuel ULg

Conference (2016, October 25)

The analysis of the of Silva’s collection of works places us in quite a disconcerting, yet no less encouraging, position, when re-assessing the different forms of importing literary movements. On one hand ... [more ▼]

The analysis of the of Silva’s collection of works places us in quite a disconcerting, yet no less encouraging, position, when re-assessing the different forms of importing literary movements. On one hand, the image attributed to Silva both by his contemporaries and his successors is that of the leading figure in the assimilation and absorption of the literary European movements that would give rise to modernism. On the other hand, the absence of public visibility for Silva’s works, be it through texts or paratexts, let us in a difficult situation to prove the poet’s will to position himself as the one who introduced the new literary movement to Colombia. If we accept from the outset, as we will in this article, that the Colombian poet possessed an obstinate determination to appropriate and assimilate the European literary movements that give rise to modernism, then we must entertain the possibility that Silva’s literary transfer took place through media other than books, journals or magazines. Our hypothesis is that by focusing on the acts of reading and poise, the literary coterie became the ideal platform for the Colombian writer to adopt and propagate the image of the decadent writer, which would become the embodiment of the aesthetic ideals of modern literature. [less ▲]

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See detailSpecific interests in Autism with versus without speech onset delay : the importance of perceptually versus thematically organized interests
Chiodo, Liliane ULg; Eusèbe, Sandrine; Majerus, Steve ULg et al

Poster (2016, October 25)

To explore whether autistic adults with versus without speech delay also differ in the perceptual vs thematic nature of their specific interests.

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See detailHeta-Uma: manga on the other side of the mirror
Dejasse, Erwin ULg

Conference (2016, October 25)

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See detailDes expériences vécues aux savoirs d'expérience : (in)former la santé et la maladie dans des associations de patients en Belgique francophone
Duysens, Fanny ULg

Conference (2016, October 25)

Le diagnostic médical d'une pathologie est un événement significatif dans les parcours de vie des patients et de leurs proches. Il vient catégoriser des symptômes, participer aux processus de (re ... [more ▼]

Le diagnostic médical d'une pathologie est un événement significatif dans les parcours de vie des patients et de leurs proches. Il vient catégoriser des symptômes, participer aux processus de (re)construction de soi, et induire des attitudes et comportements en vue d'intervenir activement sur les événements. Notamment, il correspond pour certains au moment de leur engagement au sein d'une association concernée par la pathologie ou le syndrome diagnostiqué en question. De telles associations de patients s'impliquent souvent dans diverses activités de production, de mobilisation et de circulation de connaissances sur les conditions et leurs causes. Ces modes d'activisme dits "basés sur la connaissance" (evidence-based activism) se caractérisent par une articulation étroite entre des connaissances issues d'expertise biomédicale et des connaissances expérientielles, issues des expériences vécues au quotidien par les patients et leurs proches, dont ils revendiquent la légitimité. S'inscrivant à la croisée des Science and Technology Studies et de l'anthropologie de la santé et de la maladie, la présente communication vise à explorer les dynamiques de cette articulation à partir d'une ethnographie multi-site menée auprès d'associations belges francophones concernées par des pathologies ou syndromes génétiques. Plus particulièrement, la communication s'intéresse à un projet d'information et de sensibilisation autour du trouble du spectre autistique (TSA) qui est développé par un groupe de parents concernés. Le TSA y est défini comme une condition complexe et multidimensionnelle, aux causes incertaines et controversées mais dont ils revendiquent la part déterminante de la génétique. Comment des "connaissances expérientielles" sont-elles produites, validées et mises en circulation dans le cadre de telles activités ? Au-delà de la simple information, les observations montrent qu'elles comportent des enjeux identitaires importants. [less ▲]

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See detailA benchmark for urban flood modelling
Arrault, Anaïs; Finaud-Guyot, Pascal; Archambeau, Pierre ULg et al

Poster (2016, October 25)

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

Conference (2016, October 24)

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

Conference (2016, October 24)

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

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

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See detailAlgunas consideraciones metodológicas sobre la teoría de las transferencias
Mogollon Zapata, Juan Manuel ULg

Conference (2016, October 24)

Las siguientes consideraciones metodológicas surgen esencialmente de la confrontación de la teoría de las transferencias con mi corpus actual de trabajo, esto es, con las modalidades de importación ... [more ▼]

Las siguientes consideraciones metodológicas surgen esencialmente de la confrontación de la teoría de las transferencias con mi corpus actual de trabajo, esto es, con las modalidades de importación literaria durante el modernismo, época que, como todos sabemos, constituyó un momento de apertura privilegiado para la apropiación y asimilación de las producciones culturales extranjeras. Los escollos metodológicos encontrados a medida que avanzábamos en la problematización de nuestro corpus sirvieron pues de estímulo para integrar y transponer algunos conceptos y herramientas teóricas tomados principalmente de la teoría de los campos de Pierre Bourdieu, del análisis del discurso a la manera de Dominique Maingueneau y de la poética histórica de los soportes tal y como ha sido desarrollada en Francia por Alain Vaillant y Marie-Ève Thérenty. Es a partir de dicho diálogo que podemos hoy afinar ciertos conceptos y herramientas teóricas indispensables para repensar algunos puntos ciegos de la teoría de las transferencias. [less ▲]

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See detailThermochemical conversion of sugar industry by-products to biofuel
Nicodème, Thibault ULg; Jacquet, Nicolas ULg; Richel, Aurore ULg

Poster (2016, October 24)

Poster concernant la conversion des co-produits de l'industrie sucrière en biocarburants via la voie thermochimique. Description des procédés tels que la gazéification, Fischer-Trospch, la pyrolyse.

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See detailUn cadrage général pour l'éducation aux médias?
Hamers, Jérémy ULg

Conference (2016, October 24)

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See detailImpacts de champignons entomopathogènes sur la biologie et le comportement de la punaise diabolique (Hemiptera, Pentatomidae)
Fingu Mabola, Junior Corneille ULg; Serteyn, Laurent ULg; Bawin, Thomas ULg et al

Poster (2016, October 22)

Halyomorpha halys Stål, la punaise diabolique, est une espèce invasive préoccupante en provenance d’Asie de l’Est. En moins de 15 années, elle a colonisé près de l’ensemble des Etats-Unis d’Amérique ... [more ▼]

Halyomorpha halys Stål, la punaise diabolique, est une espèce invasive préoccupante en provenance d’Asie de l’Est. En moins de 15 années, elle a colonisé près de l’ensemble des Etats-Unis d’Amérique, occasionnant des pertes de rendement considérables dans les vergers et les cultures en champs ainsi que des nuisances dans les habitations durant l’hiver. La punaise diabolique a été recensée en Suisse en 2007, et il est à craindre qu’elle colonise la presque totalité de l’Europe d’ici 2020. Cette étude a pour objectif de prévenir l’installation de la punaise diabolique dans les pays européens en se focalisant sur le contrôle biologique. Des scientifiques américains ont développé une stratégie « attirer et tuer » basée sur la phéromone d’agrégation de la punaise diabolique et des pesticides. D’autres ont montré l’efficacité d’un champignon pathogène d’insectes (Beauveria bassiana strain GHA. Afin d’établir un contrôle rapide du ravageur en Europe, compatible avec l’agriculture biologique, une idée serait de combiner l’effet attractif de la phéromone d’agrégation et l’application de spores de B. bassiana. Dans cette étude, l’impact du champignon sur la mortalité de l’insecte et son autodissémination sont évalués. [less ▲]

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See detailComportement du puceron du pois face aux volatiles du basilic.
Yarou, Boni Barthélémy ULg; Boullis, Antoine ULg; Verheggen, François ULg et al

Poster (2016, October 22)

Les pucerons font partie des insectes qui causent des dégâts d’importances économiques sur une grande diversité de plantes cultivées. Les insecticides de synthèse généralement utilisés pour les contrôler ... [more ▼]

Les pucerons font partie des insectes qui causent des dégâts d’importances économiques sur une grande diversité de plantes cultivées. Les insecticides de synthèse généralement utilisés pour les contrôler montrent de plus en plus leurs limites (résistance), et sont néfastes pour l’homme et l’environnement. Dans la recherche de méthodes de lutte alternatives, le comportement de choix d’Acyrthosiphon pisum Harris (Homoptera : Aphididae) exposé à des sources d’odeurs de plant de fèves (Vicia fabae L.) et du basilic européen (Ocimum basilicum L.) à l’aide d’un olfactomètre en Y a été étudié. Les observations de cette expérience montrent que les pucerons se dirigent préférentiellement vers la source d’odeurs de fève et y passent plus de temps. Ce résultat montre que les volatiles du basilic ont un effet répulsif sur les pucerons du pois. D’autres tests seront évalués sur des espèces de pucerons plutôt généralistes afin de valider l’effet répulsif du basilic sur les pucerons. [less ▲]

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See detailLa pubalgie - Rééducation post-chirurgicale
Delvaux, François ULg; DANIEL, Christophe ULg; NAMUROIS, Marie-Hélène ULg et al

Conference (2016, October 22)

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

Conference (2016, October 22)

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

Conference (2016, October 22)

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

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

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See detailMallarmé et le “motif commun”
Durand, Pascal 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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