References of "Scientific congresses and symposiums"
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See detailNovel chitosan hydrogel for the treatment of osteoarthritis.
Henrotin, Yves ULg

Conference (2015, October 02)

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See detailBuilding a bridge between Liege and Asturias : the case of zinc
Peters, Arnaud ULg

Conference (2015, October 01)

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See detailLe droit de vote à distance: Emergence d'un objet de recherche et apport au champ de la sociologie électorale
Lafleur, Jean-Michel ULg

Conference (2015, October 01)

Dans cet article, nous présentons tout d’abord l’émergence du droit de vote à distance comme objet de recherche dans le champ la théorie politique et des études migratoires. Ces travaux caractérisés par ... [more ▼]

Dans cet article, nous présentons tout d’abord l’émergence du droit de vote à distance comme objet de recherche dans le champ la théorie politique et des études migratoires. Ces travaux caractérisés par leur dimension exploratoire, nous permettent toutefois de définir le droit de vote à distance et d’identifier les caractéristiques essentielles qui le différencie aujourd’hui des pratiques antérieures. Nous présentons ensuite les travaux sur la diffusion de la norme qui depuis moins d’une décennie ont constitué le principal angle d’entrée de la science politique sur le droit de vote à distance. Dans la troisième et dernière partie de l’article, nous défendons enfin l’intérêt d’une approche transnationale des questions électorales dans les études électorales. Cette approche, comme nous le défendons, permet d’éclairer non seulement le comportement des expatriés mais plus largement la transformation des pratiques électorales ici et là-bas. [less ▲]

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See detailLa prise en charge interdisciplinaire des patients lithiasiques réduit-elle à long terme le taux de geste urologique pour récidive ?
Castiglione, Vincent ULg; Pieroni, Laurence; Conort, Pierre et al

Poster (2015, October 01)

Certains patients lithiasiques sont hautement récidivants, malgré les progrès considérables en urologie et une prise en charge des facteurs de risque. Nous avons fait l’hypothèse qu’une prise en charge ... [more ▼]

Certains patients lithiasiques sont hautement récidivants, malgré les progrès considérables en urologie et une prise en charge des facteurs de risque. Nous avons fait l’hypothèse qu’une prise en charge interdisciplinaire au long court dédiée au diagnostic du processus lithogène, à l’analyse des causes de récidive, et à la détermination d'objectifs chiffrés de prévention, réduirait le nombre de gestes chirurgicaux pour récidive lithiasique et améliorerait ainsi la qualité de vie des patients. [less ▲]

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See detailDGTs, a complementary tool towards more efficient biomonitoring practices
Richir, Jonathan ULg; Lepoint, Gilles ULg; Donnay, Annick et al

Conference (2015, October 01)

Among the diversity of contaminants, trace elements (TEs) remain of concern because of their persistence, their ability to accumulate in biota and their toxicity. The direct measurement of their dissolved ... [more ▼]

Among the diversity of contaminants, trace elements (TEs) remain of concern because of their persistence, their ability to accumulate in biota and their toxicity. The direct measurement of their dissolved concentrations only gives punctual and fluctuating information, and often remains below detection limits of analytical methods. The more appropriate use of sentinel organisms, or bioindicators, to monitor TEs has thus often been preferred in environmental surveys. The introduction of the diffusive gradients in thin films (DGTs) technique has however participated to progressively change this binary view - bioindicator vs water - of the coastal monitoring of TEs, and DGTs rapidly became a relevant complementary tool to bioindicators, has illustrated below. In the framework of the STARECAPMED project, the ecology and the ecotoxicology of TEs were studied in the seagrass Posidonia oceanica (L.) Delile and the mussel Mytilus galloprovincialis Lamarck, 1819. DGTs (free- and pore-water probes) were deployed before sampling of organisms. TEs were also analyzed in suspended matter (dissolved and suspended-particulate TE speciation). Studies were performed in the Calvi Bay (Corsica, France), northwestern Mediterranean. TE concentrations in organisms and suspended matter or in DGT resins were measured by DRC-ICP-MS after HNO3/H202 mineralization or after a 24h elution in HNO3 1M, respectively. (1) TE bioaccumulation was first seasonally studied in P. oceanica over 3 years. Dissolved TE concentrations monitored with DGTs were low to very low. TE bioaccumulation dynamics in P. oceanica could thus be linked to the natural physiological cycle of the plant, in clean environmental conditions. (2) To complement that field survey, isolated seagrasses were in situ contaminated with TEs at environmental relevant concentrations. Through the use of DGTs, TE uptake kinetics were modelled for seagrasses exposed to know bioavailable concentrations of contaminants, as were loss kinetics during the following depuration phase. The TE sequestration ability of a healthy P. oceanica meadow facing sudden trace metal contamination events could also be quantified. (3) The deployment of pore-water DGT probes in bare-sand or seagrass colonized sediments further showed that, through its stabilizing function of the seabed, P. oceanica maintained higher TE levels in the pore-water. P. oceanica meadows thus offer a significant “depuration-filtering” ecological service along highly anthropized Mediterranean coasts. M. galloprovincialis are widely used in large spatial scale coastal monitoring surveys. (4) The deployment of caged mussels together with DGTs showed that the little contaminated water body of the Calvi Bay was relatively homogenous. It also allowed to calculate TE bioaccumulation towards mussels in reference conditions, and to compare it to native mussel populations. (5) Finally, during a 5 months mussel caging survey, mussels and suspended matter were collected weekly to monthly, such as were deployed DGTs. The physiological status of mussels, the speciation of TEs between their dissolved and suspended-particulate phases, and their relative influence on TE bioaccumulation dynamics in mussels were investigated. In conclusion, these case studies properly demonstrate how DGT probes can be used as a relevant and complementary tool to bioindicators. Their concomitant use should therefore be privileged in monitoring surveys. [less ▲]

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See detailChronos and Topos: The Inheritance of the Here-Now in Gail Jones’s Five Bells
Belleflamme, Valérie-Anne ULg

Conference (2015, October 01)

In an interview, Australian novelist, essayist, and academic Gail Jones claimed an interest in psycho-geography, i.e. “in the idea,” as she puts it, “that we must walk around our own place with an active ... [more ▼]

In an interview, Australian novelist, essayist, and academic Gail Jones claimed an interest in psycho-geography, i.e. “in the idea,” as she puts it, “that we must walk around our own place with an active intelligence and with a degree of radical attention to what is there.” Taking Sydney as an example, Jones insists on the importance of looking at the city’s “shapes, its motions,” of attending to its “sounds, corridors between spaces, the unexpected.” It is, she continues, “about apprehending things through shapes and signs.” Sydney, to her, is a place haunted by its colonial inheritance, and Australia, more generally, is a “colony of trauma”, a place where “there is always a tension between remembering and forgetting.” Thus time and space are merged, or to put it as Jones does, “within the material spaces of a city are these immaterial traces of something else.” Along the same lines, Jones distinguishes between a vertical and a horizontal history: on the one hand, she explains, “there is the history that seems to be unfolding and moving forward,” while on the other hand there is a “plunging down into the interiority of the place, into its lost history.” This merging together of time and space, of history and geography is an inherent attribute of cosmopolitanism as it finds an echo in Jones’s novel Five Bells, which takes place on a single day in cosmopolitan Sydney and draws together four characters with their different national backgrounds, haunting histories and memories, all converging on Circular Quay, an Aboriginal site also marked as the place where Captain Cook first set foot. Focusing on the characters’ migrant perceptions of this historical and iconic site, my paper will seek to investigate how Jones draws on the trope of temporal and spatial inheritance in Five Bells to offer “ethical understanding” as an alternative to today’s embattled conception of Australian national identity. [less ▲]

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See detailSynthèse du débat politique. Journée de réflexion au Sénat de Belgique: «Démocratie représentative : vers la fin d’un modèle ? Diagnostic et remèdes»
Verjans, Pierre ULg

in Compte-rendu du Sénat de Belgique (2015, October 01)

Les réflexions des responsables politiques en réaction aux interventions des scientifiques peuvent être interprétées en fonction de grille d'analyse de science politique, notamment celle d'Amartya Sen et ... [more ▼]

Les réflexions des responsables politiques en réaction aux interventions des scientifiques peuvent être interprétées en fonction de grille d'analyse de science politique, notamment celle d'Amartya Sen et celle de Bernard Manin. [less ▲]

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See detailTranscriptionally active HPV infection in the cervical squamo-columnar junction
Herfs, Michael ULg

Conference (2015, October 01)

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See detailComment décrire la musique expérimentale ? Le cas de Vital Weekly
Claisse, Frédéric ULg

Conference (2015, October 01)

Publiée de manière interrompue sous forme de courrier hebdomadaire depuis 1995, le magazine Vital Weekly est un observateur privilégié de vingt ans d’évolution dans le domaine des musiques expérimentales ... [more ▼]

Publiée de manière interrompue sous forme de courrier hebdomadaire depuis 1995, le magazine Vital Weekly est un observateur privilégié de vingt ans d’évolution dans le domaine des musiques expérimentales. La communication revient sur ce corpus de 1001 numéros, qui voit les chroniqueurs progressivement inventer une forme de critique musicale radicale, gratuite et libre d’accès, sans prétention stylistique ou journalistique, visant l’informativité avant tout, à destination d’une communauté de lecteurs dont beaucoup sont eux-mêmes producteurs ou musiciens. Le magazine illustre la situation hybride des musiques expérimentales, appellation commode et fourre-tout pour des pratiques musicales extrêmement diversifiées, qui doivent autant aux traditions « savantes » du XXe siècle (field recordings, musique concrète, musiques électro-acoustiques, poésie sonore, …) qu’à l’esprit Do-It-Yourself et à l’esthétique industrielle de la cassette culture ayant émergé au tournant des années 1970-1980. D’inspiration pragmatique, l’analyse sociologique présentée ici prend au sérieux l’épreuve perceptive que représente pour le chroniqueur la rencontre avec un matériau sonore qui défie le jugement esthétique. Exemples à l’appui, il s’agit d’expliciter les « prises » de la critique sous contrainte de descriptivité : quels sont les repères conventionnels sur lesquels s’appuyer pour situer l’objet musical dans un espace structuré (paratexte, épitexte, descripteurs de genre, références intertextuelles) ? quels sont les registres (étrangeté, malaise, onirisme, puissance, intimité, présence à soi, matérialité et textures) qui permettent de transmettre au lecteur l’expérience sensible d’un face-à-face avec un objet sonore bouleversant ? [less ▲]

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See detailUse of a HCV patients' education tool: the knowledge questionnaire with confidence degrees
Kerrad, Amel; Leclercq, Dieudonné ULg; Barreteau, H. et al

Poster (2015, October)

13 patiuent ssuffering of C hepatis have received a pretest on knowledge with confidence degrees accompanying their responses. On the basis of thes responses, they received individual education by a ... [more ▼]

13 patiuent ssuffering of C hepatis have received a pretest on knowledge with confidence degrees accompanying their responses. On the basis of thes responses, they received individual education by a pharmacist about their treatment. A post-test, again with confidence degrees, permitted to measure, according to methods described by Leclercq (2009), to evidence objective and subjective gains in knowledge as well in patients' adherence to treatment. [less ▲]

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See detailHow T2-weighted signal intensity of GH-secreting adenomas correlates wit response to primary somatostatin analogue therapy in acromegaly
Potorac, Iulia ULg; PETROSSIANS, Patrick ULg; Daly, Adrian ULg et al

in Abstract book - 25th meeting of the Belgian Endocrine Society (2015, October)

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See detailTime Ordering Shuffling for Improving Background Subtraction
Laugraud, Benjamin ULg; Latour, Philippe ULg; Van Droogenbroeck, Marc ULg

in Advanced Concepts for Intelligent Vision Systems (ACIVS) (2015, October)

By construction, a video is a series of ordered frames, whose order is defined at the time of the acquisition process. Background subtraction methods then take this input video and produce a series of ... [more ▼]

By construction, a video is a series of ordered frames, whose order is defined at the time of the acquisition process. Background subtraction methods then take this input video and produce a series of segmentation maps expressed in terms of foreground objects and scene background. To our knowledge, this natural ordering of frames has never been questioned or challenged. In this paper, we propose to challenge, in a prospective view, the natural ordering of video frames in the context of background subtraction, and examine alternative time orderings. The idea consists in changing the order before background subtraction is applied, by means of shuffling strategies, and re-ordering the segmentation maps afterwards. For this purpose, we propose several shuffling strategies and show that, for some background subtraction methods, results are preserved or even improved. The practical advantage of time shuffling is that it can been applied to any existing background subtraction seamlessly. [less ▲]

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See detailEpidemiological aspects and genotypic characterization of T.violaceum strains collected during a Belgian National survey on anthropophilic tinea
SACHELI, Rosalie ULg; Dekkers, Charlotte; GRAIDE, Hélène ULg et al

in Mycoses (2015, October), 58(Supplement 4), 189

Objectives The last two years, clinical cases of tinea capitis caused by Trichophyton violaceum (T. violaceum), have been identified in Belgium. To better understand the emergence of this species in the ... [more ▼]

Objectives The last two years, clinical cases of tinea capitis caused by Trichophyton violaceum (T. violaceum), have been identified in Belgium. To better understand the emergence of this species in the population, the Belgian National Reference Center (NRC Liège) launched a one-year national survey in 2013. Epidemiological aspects and genotypic characterization of the strains were included. Methods The study was conducted from March 2013 up to February 2014. All Belgian laboratories were asked to send M. audouinii and T. violaceum strains isolated from hair to the NRC with a form to fill in including epidemiological data. The fungal strains were identified by microscopy or ITS sequencing in case of doubtful identification. The genotypic analysis was performed by the DiversiLab® system (bioMérieux) for DNA fingerprinting and analysis. Epidemiological data were analyzed with the help of a biostatistician. Results Amongst the collected isolates, 23 strains were confirmed as T.violaceum (results concerning the 116 M. audouinii strains have already been reported). Analysis of the epidemiological characteristics of the infected population shows that the main age category concerns 0-4 year-old children (n=9, 39,1%) with a sex-ratio M/F of 1.875. Data concerning the geographic origin of the family were present in 82,6% of the cases and reveal that patients were mainly of Ethiopian origin (n=8, 57,9% of known cases). One patient was also from Burundi showing that T. violaceum strains probably circulate mainly in East Africa. The genotypic analysis led to the distinction of 2 variants of T. violaceum. The major group was composed of 17 strains which were mainly collected in the North of Belgium and included also the reference strain (18/23, 83,3%). The other group (6 strains) was close to the major group but the analysis of the spectral superposition showed some differences between these two groups, defining two distinct variants of T. violaceum in the Belgian population. This second variant was mainly recovered from South Belgium (5/6, 83,3%). No correlation could be made between the genotypic group and a particular ethnical origin as Ethiopian subjects were found in both groups. Conclusion The DiversiLab® system proved to be an efficient method to investigate the molecular epidemiology of dermatophytes infections as reported previously for M. audouinii. These results show that two distinct isolates co-exist in Belgium providing evidence of genetic heterogeneity and a possible spread of one genotypic variant in a restricted geographic area or the co-existence of two variants circulating in different African communities. However, no clear correlation could be established between the appartenance to a group and epidemiological factors, such as age or ethnical origin. [less ▲]

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See detailEtude moléculaire du gène AIP sur plus de 1400 individus atteints d'adénome hypophysaire
CASTERMANS, Emilie ULg; Auriemma, R; Rostomyan, Liliya ULg et al

in Abstract book - Annales d'Endocrinologie - 32ème Congrès de la Société Française d'Endocrinologie (2015, October)

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See detailLaparoscopic management of bladder endometriosis
BRICHANT, Géraldine ULg; NICOLAS, Hubert; NISOLLE, Michelle ULg

Conference (2015, October)

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See detailDéchéance de nationalité et terrorisme : quelle marge de manoeuvre pour l'Etat?
Wautelet, Patrick ULg

Conference (2015, October)

Cette présentation a pour objet de situer de manière critique les récentes interventions du législateur belge en matière de déchéance de la nationalité belge, en montrant quelles sont les limites ... [more ▼]

Cette présentation a pour objet de situer de manière critique les récentes interventions du législateur belge en matière de déchéance de la nationalité belge, en montrant quelles sont les limites internationales à l'action du législateur national. Le cadre législatif en vigueur en Belgiqe est analysé en particulier à la lumière de l'interdiction de discrimination [less ▲]

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See detailCanine idopathic pulmonary fibrosis is not associated with herpes virus infection
Roels, Elodie ULg; Dourcy, Mickael ULg; Holopainen, S. et al

Poster (2015, October)

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See detailGestationnal trophoblastic diseases
GOFFIN, Frédéric ULg; Seckl, M

Conference (2015, October)

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See detailPALEO-DELTA: Palaeoenvironment and geoarchaeology of the Medjerda delta (Tunisia)
Pleuger, Elisa ULg; Abichou, Hakim; Gadhoum, Ahmed et al

Poster (2015, October)

Phoenician Utica remains today largely unknown, as is its role in the Phoenician expansion in the western Mediterranean. Aristotle and Pliny the Elder mention Utica as a maritime and port city and ... [more ▼]

Phoenician Utica remains today largely unknown, as is its role in the Phoenician expansion in the western Mediterranean. Aristotle and Pliny the Elder mention Utica as a maritime and port city and estimate its origin around the 11th c. BC. However, in the present state of research, no archaeological evidence is earlier than the 9th c. BC, and the location of the Phoenician and Roman port infrastructures remains unknown. Today, the ancient city is located on a promontory in the heart of the Medjerda delta, 10 km inland. This project proposes an interdisciplinary effort to understand the Medjerda delta landscape changes during the Holocene. It starts from an archaeological problem and proposes the contribution of geoarchaeology to the understanding of the relationship between ancient societies and their environment. The fluvial palaeoenvironments and sedimentary processes are studied through the mechanical extraction of cores (15-20 m deep) to reach the early Holocene. Selected sediment samples are then studied in laboratory, using different and complementary approaches. The location of port infrastructures will bring initial answers to the question of the foundation of the city. The study of river palaeoenvironments of the Medjerda delta during the Holocene aim at a better understanding of the nature of the settlement, as well as the function of the city of Utica over time. This study will also assess the impact of the ancient city on the environment and understand how the city adapted to the mobility of this Mediterranean delta. Furthermore, the analysis of sedimentary processes causing the filling of the harbour basin will lead to speculation about the causes of the abandonment of the structures and more generally the decline of the city in favor of Carthage. It will also examine whether natural or anthropogenic factors have influenced this deltaic progradation over the centuries. [less ▲]

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See detailMPLS Under the Microscope: Revealing Actual Transit Path Diversity
Vanaubel, Yves ULg; Mérindol, Pascal; Pansiot, Jean-Jacques et al

in ACM Internet Measurement Conference (2015, October)

Traffic Engineering (TE) is one of the keys for improving packet forwarding in the Internet. It allows IP network operators to finely tune their forwarding paths according to various customer needs. One ... [more ▼]

Traffic Engineering (TE) is one of the keys for improving packet forwarding in the Internet. It allows IP network operators to finely tune their forwarding paths according to various customer needs. One of the most popular tool available today for optimizing the use of networking resources is MPLS. On the one hand, operators may use MPLS and label distribution mechanisms such as RSVP-TE in conjunction with BGP to define multiple transit paths (for a given edge pair) verifying different constraints on their network. On the other hand, when operators simply enable LDP for distributing MPLS labels in order to improve the scalability of their network, another kind of path diversity may appear thanks to the ECMP feature of IGP routing. In this paper, using an MPLS labels analysis, we demonstrate that it is possible to better understand the transit path diversity deployed within a given ISP. More specifically, we introduce the Label Pattern Recognition (LPR) algorithm, a method for analyzing traceroute data including MPLS information. LPR reveals the actual usage of MPLS according to the inferred label distribution protocol and is able to make the distinction between ECMP and TE multi-path forwarding. Based on an extensive and longitudinal traceroute dataset obtained from CAIDA, we apply LPR and find that each ISP behavior is really specific in regard to its MPLS usage. In particular, we are able to observe independently for each ISP the MPLS path diversity and usage, and its evolution over time. Globally speaking, the main outcomes of our study are that (i) the usage of MPLS has been increasing over the the last five years with basic encapsulation being predominant, (ii) path diversity is mainly provided thanks to ECMP and LDP, and, (iii), TE using MPLS is as common as MPLS without path diversity. [less ▲]

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See detailHyperparathyroïdie primaire familiale isolée - corrélation génotype - phénotype des mutations MEN 1?
Potorac, Iulia ULg; BETEA, Daniela ULg; PETROSSIANS, Patrick ULg et al

in Abstract book - Annales d'Endocrinologie - 32ème Congrès de la Société Française d'Endocrinologie (2015, October)

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See detailIrrigation Development Support Program - Agricultural water management in Burkina Faso
Traoré, Farid; Wellens, Joost ULg; Tychon, Bernard ULg et al

Poster (2015, October)

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See detailTrade secrets: Overlap with restraint of trade, aspects of enforcement - Belgium
Kaesmacher, Dominique; Vanbrabant, Bernard ULg; Thoumsin, Pierre-Yves et al

in AIPPI Yearbook 2014 (2015, October)

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See detailFungal biofilm reactor improves the quality of a fusion protein GLA::GFP produced by Aspergillus oryzae
Zune, Quentin ULg; Delepierre, Anissa ULg; Bauwens, Julien ULg et al

Poster (2015, October)

Fungal biofilm is known to promote the excretion of secondary metabolites, in accordance with solid-state related physiological mechanisms. In this work, the potentialities of fungal biofilm will be ... [more ▼]

Fungal biofilm is known to promote the excretion of secondary metabolites, in accordance with solid-state related physiological mechanisms. In this work, the potentialities of fungal biofilm will be investigated in the context of the production of a Gla::GFP fusion protein by Aspergillus oryzae. Since the production of this protein is under the control of the promoter glaB, specifically induced in solid-state fermentation, biofilm mode of culture is expected to enhance the global productivity. However, we found that the glaB promoter is also activated in submerged bioreactor and the fusion protein production is higher in this mode of culture. This result is related to the high shear stress leading to biomass autolysis and leakage of intracellular fusion protein into the extracellular medium. Moreover, 2D-gel electrophoresis highlights preservation of the fusion protein integrity produced in biofilm conditions whereas proteolysis strongly affects fusion protein recovery in the submerged cultures performed at high stirring rate. Fungal biofilm reactor design was then further investigated and the scale-up potentialities were evaluated. Indeed, the specific design investigated in this work involves the use of metal structured packing exhibiting a high specific area and that can be easily expanded to large-scale bioprocessing conditions. [less ▲]

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See detailHypogonadisme hypogonadotrope normosmique familial : identification d'une nouvelle mutation c.1664-2A> T du gène FGFR1
VALDES SOCIN, Hernan Gonzalo ULg; Pintiaux, Axelle ULg; LIBIOULLE, Cécile ULg et al

in Abstract book - Annales d'Endocrinologie - 32ème Congrès de la Société Française d'Endocrinologie (2015, October)

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See detailIs the Darwin´s “Abominable Mystery” still a mystery?
Cascales-Miñana, Borja ULg; Cleal, Chris J.; Gerrienne, Philippe ULg

in Proceedings of the XXXI Annual Meeting of the Spanish Society of Palaeontology (abstract book) (2015, October)

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See detailAnthocyanin-rich blackcurrant juice induces a redox-sensitive caspase 3-related pro-apoptotic effect in leukemia Jurkat cells: role of delphinidin-3-O-glucoside and delphinidin-3-O-rutinoside
Leon-Gonzalez; Sharif, T; Kayali, A et al

in 7th International Conference on Polyphenols and Health (2015, October)

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See detailEtude et prévalence des troubles neuroendocriniens dans une série de 65 patients avec dommages cérébraux post-traumatiques (TBI) recrutés à partir de la médecine d'expertise
VALDES SOCIN, Hernan Gonzalo ULg; Potorac, J; Matagne et al

in Abstract book - Annales d'Endocrinologie - 32ème Congrès de la Société Française d'Endocrinologie (2015, October)

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See detailCounseling Program For Caregivers Of People With Alzheimer's Disease: A Case Study
Clesse, Audrey ULg; Adam, Stéphane ULg

Poster (2015, October)

It is widely recognized that living day to day with a family member with Alzheimer's disease is a difficult situation for the relatives. Burden generated by this disease can lead to psychological and ... [more ▼]

It is widely recognized that living day to day with a family member with Alzheimer's disease is a difficult situation for the relatives. Burden generated by this disease can lead to psychological and physical exhaustion for the caregiver, called burnout. Several health studies have shown that caregivers are a population at risk, particularly in terms of depressive symptoms (Covinsky et al., 2003), psychological distress (Pinquart and Sörensen, 2003) or health problems (Schulz et al., 1997). They also present a higher risk of mortality than noncaregivers (Schulz and Beach, 1999). Given these results, we understand the major interest of establishing support program to offer therapeutic monitoring for people caring for a relative with dementia. We present Mrs C.G’s case study, who followed the counselling program developed by Adam et al. (2009). This program aims to meet the specific demands of the caregiver by providing informative elements about the disease, relevant advice based on cognitive functioning through the specific profile of the patient and real daily challenges experienced by the caregiver. The “stress management approach” proposed by Zarit et al. (1987) induces the use of coping strategies focused on problem solving. The comparison between pre and post-intervention brings us positive elements, particularly in enhancement of the caregiver’s quality of life, of his sense of competence and efficiency in managing the disease on a daily basis. About burnout, which was the primary focus this intervention, we find that emotional exhaustion tends to decrease during the counselling sessions. A particularly important finding relates to family changes made throughout the therapy, questioning the organization of family dynamics. These positive results show the importance of developing support programs for caregivers adapted to their needs. Moreover, training therapists for this purpose seems essential because it requires a comprehensive and holistic clinical approach, given the neuropsychological, cognitive behavioural and systemic components involved. [less ▲]

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See detailSofosbuvir in combination with simeprevir +/- ribavirin in genotype 4 hepatitis C patients with advanced fibrosis or cirrhosis: a real-life experience from Belgium
Moreno, C; Lasser, L; DELWAIDE, Jean ULg et al

in Hepatology (Baltimore, Md.) (2015, October), 62(1), 746

Background: All-oral, interferon-free regimens that combine direct-acting antiviral drugs have significantly advanced the treatment of hepatitis C (HCV), especially for genotype 1(G1) patients. However ... [more ▼]

Background: All-oral, interferon-free regimens that combine direct-acting antiviral drugs have significantly advanced the treatment of hepatitis C (HCV), especially for genotype 1(G1) patients. However, efficacy and safety data of interferon-free regimens in HCV genotype 4 (G4) patients are scarce. In Belgium, Sofosbuvir (SOF) and Simeprevir (SMV) treatment is available since January 2015 for G4 patients with advanced fibrosis (F3-F4 METAVIR) for 12 weeks. Methods: analysis of HCV G4 patients receiving SOF and SMV treatment in Belgium. The aim of the study was to evaluate the safety and efficacy of the treatment. Results: 73 G4 patients were enrolled in this data collection including 32 (43.8%) patients with severe fibrosis F3 and 41(56.2%) cirrhotic patients. The study population comprised 58.9% male, 77.8% treatment experienced patients. Median age was 59 [51-66] years and 5 patients were HCV/HIV co-infected. 24 patients received the treatment associated with ribavirin, 11/32 (34.37%) of patients with advanced fibrosis and 13/41 (31.71%) of cirrhotic patients. In cirrhotic patients, median MELD and Child-Pugh score were 9 [7-12.5] and 5 [5-6], 46.2% had platelet below 100.000/mm and 28.6% had albumin below 35 g/L. W4 HCV RNA was undetectable in 31.25% (15/48). 9 of the 15 patients with undetectable W4 HCV RNA received RBV. At W12, 100% (23/23) had HCV RNA below the limit of quantification, with 6/23 still detectable. All SVR12 data will be available at the time of presentation. No patient experienced serious adverse event. Conclusions: these preliminary results in difficult-to-treat G4 HCV patients show that SOF/SIM +/- RBV treatment is safe and seems promising, in line with that was observed in G1 HCV patients. [less ▲]

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See detailStudy of the interaction between the MtgA and inhibitory compounds
Dahmane, Ismahene ULg

Poster (2015, October)

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See detailPlankton ecosystem response to the decadal variation of winter intensity in the Mediterranean Sea : a long-term study (1979-2014)
Goffart, Anne ULg; Collignon, Amandine ULg; Hecq, Jean-Henri ULg et al

Conference (2015, October)

In the Mediterranean Sea, several studies with distinct data sets indicate that the pelagic ecosystem underwent periods of change in the late 1980s and in the early 2000s. Here we used a unique long-term ... [more ▼]

In the Mediterranean Sea, several studies with distinct data sets indicate that the pelagic ecosystem underwent periods of change in the late 1980s and in the early 2000s. Here we used a unique long-term time series of data collected in the well-preserved Bay of Calvi (Corsica island, Ligurian Sea, NW Mediterranean) from 1979 and 2014 to explore the synchrony between changes in environmental conditions and phyto- and zooplankton dynamics. We identified an almost decadal, long-term variability in winter intensity, with three distinct periods: the 1980s (1979-1988), the 1990s (1989-1998) and the 2000s (1999-2014), which were characterized by moderate, mild and highly variable winters, respectively. We pointed out how the decadal changes in winter intensity affected (i) the duration and intensity of phyto- and zooplankton blooms, (ii) the mean yearly biomasses, and (iii) the nature of the assemblages. High phyto- and zooplankton biomasses were observed in years characterized by moderate and severe winters, and low phyto- and zooplankton abundances were recorded in years with mild winters. Moderate/severe and mild winters were favorable for diatoms and gelatinous zooplankton, respectively. Focusing on meroplanktonic species, we explored ecological consequences of decadal variations observed in the Bay of Calvi for resource management. We highlighted parallelisms with other European seas. [less ▲]

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See detailHyperthyroïdie sur maladie de Basedow survenant après une hypothyroïdie de Hashimoto : étude clinique et biologique sur 10 cas
Maiga, Ibrahima ULg; BETEA, Daniela ULg; Beckers, Albert ULg et al

in Abstract book - Annales d'Endocrinologie - 32ème Congrès de la Société Française d'Endocrinologie (2015, October)

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See detailCombining Features for Cover Song Identification
Osmalsky, Julien ULg; Embrechts, Jean-Jacques ULg; Foster, Peter et al

in 16th International Society for Music Information Retrieval Conference (2015, October)

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See detailBelgian wildlife as potential zoonotic reservoir of hepatitis E virus
Thiry, Damien ULg

Conference (2015, October)

Hepatitis E is an acute human liver disease in healthy individuals but may become chronic. It is caused by the hepatitis E virus (HEV) and can have a zoonotic origin. In this study, 383 sera from wild ... [more ▼]

Hepatitis E is an acute human liver disease in healthy individuals but may become chronic. It is caused by the hepatitis E virus (HEV) and can have a zoonotic origin. In this study, 383 sera from wild boars were selected for serology; for virology, 69 sera and 61 livers from young wild boars were used. A total of 189 and 235 sera of respectively red and roe deer were collected for serological analysis. For virology, 84 and 68 sera and 29 and 27 livers from respectively red and roe deer were sampled. An apparent seroprevalence of 34% was found in wild boars, 1% in red deer and 3% in roe deer. In order to assess the ELISA screening prevalence, Western blot (WB) analyses and a ROC curve analysis were performed. Different scenarios with varying ELISA specificities relative to WB were analysed. In wild boar, seroprevalence remained high whatever the scenario; 4 out of 69 sera and 4 out of 61 livers were detected as positive for HEV RNA. All sequences obtained from sera belonged to genotype HEV-3. HEV RNA, belonging to genotype HEV-3, was detected in one red deer liver. Wild boar can be considered as a host reservoir of the virus in Belgium. However, the low prevalence in deer makes these species an unlikely reservoir. This evidence needs further investigation in order to determine in which situation deer can serve as reservoir and raise the question of the dynamics of HEV infection between wild fauna, domestic pigs and humans. [less ▲]

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See detailUne forme compliquée d'hypercalcémie hypocalciurique familiale
Potorac, Iulia ULg; BETEA, Daniela ULg; MALAISE, Olivier ULg et al

in Abstract book - Annales d'Endocrinologie - 32ème Congrès de la Société Française d'Endocrinologie (2015, October)

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See detailSyndrome thyrogastrique autoimmun (STGA) : la gastrite auto-immune isolée (GAI) et celle associée à Helicobacter (Hp) ont des caractéristiques anatomocliniques différentes
VALDES SOCIN, Hernan Gonzalo ULg; MESUREUR, Thierry ULg; POLUS, Marc ULg et al

in Abstract book - Annales d'Endocrinologie - 32ème Congrès de la Société Française d'Endocrinologie (2015, October)

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See detailSILURIAN – DEVONIAN OF THE ORIENTAL ALGERIAN SAHARA: implication of new field data from Tassili n'Ajjer outcrops and Berkine Basin (SE, Algeria) for shale gas exploration.
Djouder, Hocine ULg; Boulvain, Frédéric ULg; Da Silva, Anne-Christine ULg et al

in EPC'2015 THE THIRTEENTH TUNISIAN PETROLEUM EXPLORATION & PRODUCTION CONFERENCE (2015, October)

The Silurian – Devonian succession have been deposited in wide sags and sub-basins in a cratonic setting, along the northwestern passive margin of the Gondwana during the opening of the proto-Tethyan ... [more ▼]

The Silurian – Devonian succession have been deposited in wide sags and sub-basins in a cratonic setting, along the northwestern passive margin of the Gondwana during the opening of the proto-Tethyan ocean. During this Siluro-Devonian Period, a high subsidence occurs stacked sediment bodies and organic-rich shales were deposited in many places that respectively form important hydrocarbon reservoirs and source rocks throughout North Africa basins and Arabia (Boot et al., 1998 ; Lüning et al., 2000), which lead Algeria to hold the fourth position in terms of the estimates of technically recoverable shale oil and shale gas resources, based on major basin assessment in the world (EIA, 2013). In the prolific Illizi and Berkine basins (western Ghadames, Algeria) a basin-wide approach is needed, especially with the new “shale gas and shale oil” frontier in the upcoming years, in order to capture regional trends and re-assessment on organic-rich (‘hot’) shale unites which in smaller-scale industrial studies are overlooked. Berkine Basin covers nearly 102.000 km2. This basin has been a thick sedimentary series of 7000 m corresponding to complex reservoirs but also black shales of the basal Silurian and Frasnian respectively major and secondary source rock systems. Wireline-logs from more than 146 (Berkine – Illizi Basins) Algerian petroleum exploration wells have been studies (Djouder et al., 2012; Djouder et al., 2014), and recently 03 months extensive field study of outcrops of the Siluro-Devonian sediments was carried out at the south margin (SE, Tassili n’Ajjer) of the basin. The following analysis incorporates biostratigraphic, ichnological, sedimentological and high resolution stratigraphic data, which provides a framework evolution from offshore to deltaic deposition for the Silurian then fluvial to normal-marine depositional conditions for the Devonian. A total of 06 short-term, third-order sequences can be identified for the Silurian deposits: (i) 'Hot Shale' Oued Imihrou Formation, organic-rich shales with carbonates nodules (Si-1); (ii) above is the Atafaïtafa Formation 500 to 650 m thick with HCS, gutter casts and Cruziana Ichnofacies (Si-2, Si-3); (iii) then overlaid by coarsening-shallowing-upward units. These sequences (Si-4, Si-5 & Si-6) with Storm-wave dominated and Skolithos Ichnofacies are interpreted to reflect deltaic origin. This delta is the result of a significant sea-level drop during the Upper Silurian (Beuf et al, 1971) but also from the high sedimentation rates prograding northwards (Eschard et al., 2005). Devonian deposit also can be divided into fourth third-order sequences (Dev-1 to 4), by the same previous analysis. The base of the cycle is the Caledonian unconformity linked to a tectonic event which affected most of the Gondwanan margin at the Silurian – Devonian boundary and a major relative sea-level fall (Eschard et al., 2005). Previous sequences defined from Tassili n’Ajjer outcrops are well recognized at the basin-scale (Berkine Basin) and can be correlated in the subsurface of the Illizi – Berkine basins (Djouder et al., 2012). Finally, the full depositional cycle for the Silurian – Devonian is reached and capped by the Frasnian maximum flooding surface, with black shales across North Africa (Algeria, western Libya and southern Tunisia) and which are also developed in many parts of the world (Lüning et al., 2003). [less ▲]

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See detailValorisation de la biomasse pour des applications vers des marchés de niche
Richel, Aurore ULg

Conference (2015, October)

Dans le contexte économique actuel de notre société, il est reconnu que des alternatives et des compléments à la pétrochimie devront être développés dans un futur proche. L’une des solutions possibles ... [more ▼]

Dans le contexte économique actuel de notre société, il est reconnu que des alternatives et des compléments à la pétrochimie devront être développés dans un futur proche. L’une des solutions possibles réside dans le développement de procédés permettant de substituer les actuels produits pétro-sourcés par de nouveaux matériaux bio-basés issus de la biomasse. Sur base de ce constat, Gembloux Agro-Bio Tech et son laboratoire de Chimie Biologique Industrielle se positionnent sur cette thématique en abordant les aspects technico-économiques de transformation du végétal en une gamme de produits à haute valeur ajoutée à destination de divers secteurs applicatifs tels que les matériaux, le cosmétique, le pharmaceutique, etc. L'importance de l'agronomie et des techniques agricoles, combinée à une gestion appropriée des déchets en circuits courts, sont deux piliers discutés dans ce exposé et illustrés au travers de divers exemples stratégiques. [less ▲]

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See detailSociology of literature and sociocriticism
Saint-Amand, Denis ULg

Conference (2015, October)

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See detailOnychomycosis: is it possible to increase the cure rate?
Hayette, Marie-Pierre ULg

in Mycoses (2015, October), 58(suppl 4), 35

Onychomycosis represent about 50% of nails disorders in the world with a very variable prevalence depending of the countries considered. Dermatophytes, non-dermatophyte molds and Candida sp. are the main ... [more ▼]

Onychomycosis represent about 50% of nails disorders in the world with a very variable prevalence depending of the countries considered. Dermatophytes, non-dermatophyte molds and Candida sp. are the main causing agents. A rapid and accurate diagnosis is essential in order to give an adequate treatment to the patient. Generally, a combination of microscopy and culture is used for laboratory diagnosis. However, microscopy does not always allow the distinction between yeasts or filamentous fungi, culture takes generally about a week before identification and the result is compromised if there is contamination by not relevant fungi. Therefore commercially available PCR-based methods have been developed in order to provide a rapid and accurate identification of dermatophytes and yeasts in nails samples. Combination of microscopy and PCR may provide a rapid and specific diagnosis in 2 working days. However this methodology is still not widely used by laboratories because of the high cost. Furthermore, this technology can detect DNA from dead fungi and therefore is not suitable for assessment of treatment efficacy. Onychomycosis therapy depends on different factors such as the causative agent, the number of nails and degree of nail involvement, the type of onychomycosis, potential drug interactions or drug intolerance and a failure to previous treatments. Oral and topical antifungals are mostly used separately or in combination. Oral therapy includes azoles (itraconazole, fluconazole) and/or allylamine (terbinafin), this latter being the most frequently prescribed antifungal for treatment of onychomycosis in North America and Europe. Topical amorolfine and ciclopirox formulations can be used alone in mild cases or in case of intolerance to oral antifungals. However, one of the biggest problems of therapy for onychomycosis is the high frequency of relapse which concerns about 20 to 40% of the patients treated by oral antifungals. Different strategies have been developed to overcome this problem amongst which are: optimization of the dosing regimens (continuous vs pulse therapy) or therapy duration, combination therapy (nail debridement + antifungals, oral + topical drugs, 2 oral drugs), improving drug delivery (use of physical or chemical enhancers, and modification of the pharmacological formulation for increasing drug uptake). Some strategies such as combination therapy (oral + topical) have demonstrated enhanced efficacy and should be recommended in case of poor efficacy of the initial treatment or in case of extended infection. Prophylactic topical therapy implemented after completion of oral treatment has been shown to delay relapse. Preventive measures such as treatment of concurrent tinea pedis and/or infected family members and regular cleaning of bathroom and shower floors can help to reduce the risk of reinfection particularly when a dermatophyte is the causative agent. In conclusion, treatment for onychomycosis is associated with frequent relapse. Consequently, follow-up is mandatory and combination therapy can be necessary in case of relapse or resistance to treatment. Patients should also be aware of the preventive hygiene measures to apply in order to decrease the risk of reinfection. New strategies improving treatment efficacy are promising but their efficacy have still to be demonstrated in comparative clinical trials before their implementation in therapy. [less ▲]

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See detailPlankton ecosystem response to the decadal variation of winter intensity in the Mediterranean Sea : a long-term study (1979-2014)
Goffart, Anne ULg; Collignon, Amandine ULg; Hecq, Jean-Henri ULg et al

Poster (2015, October)

In the Mediterranean Sea, several studies with distinct data sets indicate that the pelagic ecosystem underwent periods of change in the late 1980s and in the early 2000s. Here we used a unique long-term ... [more ▼]

In the Mediterranean Sea, several studies with distinct data sets indicate that the pelagic ecosystem underwent periods of change in the late 1980s and in the early 2000s. Here we used a unique long-term time series of data collected in the well-preserved Bay of Calvi (Corsica island, Ligurian Sea, NW Mediterranean) from 1979 and 2014 to explore the synchrony between changes in environmental conditions and phyto- and zooplankton dynamics. We identified an almost decadal, long-term variability in winter intensity, with three distinct periods: the 1980s (1979-1988), the 1990s (1989-1998) and the 2000s (1999-2014), which were characterized by moderate, mild and highly variable winters, respectively. We pointed out how the decadal changes in winter intensity affected (i) the duration and intensity of phyto- and zooplankton blooms, (ii) the mean yearly biomasses, and (iii) the nature of the assemblages. High phyto- and zooplankton biomasses were observed in years characterized by moderate and severe winters, and low phyto- and zooplankton abundances were recorded in years with mild winters. Moderate/severe and mild winters were favorable for diatoms and gelatinous zooplankton, respectively. Focusing on meroplanktonic species, we explored ecological consequences of decadal variations observed in the Bay of Calvi for resource management. We highlighted parallelisms with other European seas. [less ▲]

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See detailDévelopper l'autorégulation et les compétences en résolution de problèmes : une étude exploratoire en fin d'enseignement primaire
Fagnant, Annick ULg; Jaegers, Doriane ULg

Conference (2015, October)

L’article s’appuie sur une étude exploratoire en fin d'enseignement primaire (grade 6, élèves de 11-12 ans). L’approche d’enseignement/apprentissage mise en place visait conjointement à développer des ... [more ▼]

L’article s’appuie sur une étude exploratoire en fin d'enseignement primaire (grade 6, élèves de 11-12 ans). L’approche d’enseignement/apprentissage mise en place visait conjointement à développer des capacités d’autorégulation et l’apprentissage d’une démarche de résolution de problèmes en favorisant les régulations interactives et, particulièrement, le recours à une grille de co-évaluation. Le dispositif quasi-expérimental de l’étude permet d’apprécier les progrès plus importants des élèves de la classe expérimentale (comparativement à une classe contrôle) en termes de performances mais aussi d’une certaine anticipation et planification de la démarche de résolution. Ils démontrent aussi de meilleures capacités d’autoévaluation. Les entretiens réalisés avec quelques élèves permettent de mettre en évidence la plus-value des différentes formes de régulations interactives mises en place. Enfin, plusieurs éléments permettent également d’émettre l’hypothèse d’un impact positif de l’approche sur les variables affectives et motivationnelles. [less ▲]

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See detailComparative study of experimental infection of piglets with a field strain of wild boar HEV, a wild boar HEV strain previously passed in porcine model and a swine HEV strain
Thiry, Damien ULg; Rose, Nicolas; Mauroy, Axel ULg et al

Poster (2015, October)

Domestic pig and wild boar are reservoirs for hepatitis E virus (HEV). This study aims to investigate the infection of pigs with HEV strains from wild boar and to compare the behaviour of a wild boar ... [more ▼]

Domestic pig and wild boar are reservoirs for hepatitis E virus (HEV). This study aims to investigate the infection of pigs with HEV strains from wild boar and to compare the behaviour of a wild boar strain to a pig strain in vivo. The objective is to contribute to the elucidation of the crossing barrier between wild boar and pig with this zoonotic virus. A total of 12 specific pathogen free piglets were divided into four groups and orally inoculated respectively with a wild boar HEV strain previously passed in pigs (WbHEV), a wild boar HEV (WbHEVs), a swine HEV (SwHEV) and a negative control group. One pig from each group was euthanized 15 days after inoculation. The remaining pigs were sacrificed on day 56. A serological monitoring by ELISA was realized throughout the experiment, the viral load was determined in different organs by qRT-PCR. Viral RNA was found in several organs and tissues of the inoculated pigs. Most of the pigs were HEV positive at the 15th day and no clinical signs were observed during infection. Liver enzymes (ALT and AST) remained within the reference values. This study provides experimental evidence of the swine infection with a strain of HEV isolated from wild boar and previously passed in pig. Furthermore, these data indicate the possibility of the transfer of the virus from wild boar to pig, for example, in the context of outdoor pig breeding. [less ▲]

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See detailValidation of the DermaGenius Nail plus multiplex assay, a new commercial PCR assay developed for the detection and identification of dermatophyte and Candida in nails
Hayette, Marie-Pierre ULg; GRAIDE, Hélène ULg; ADJETEY BAHUN, Akolé ULg et al

in Mycoses (2015, October), 58(suppl 4), 223

Objectives Superficial dermatophytosis is the most common fungal infection in humans. Diagnosis of dermatophytosis is currently based on microscopy or histology associated with culture on specific agar ... [more ▼]

Objectives Superficial dermatophytosis is the most common fungal infection in humans. Diagnosis of dermatophytosis is currently based on microscopy or histology associated with culture on specific agar media. However, direct microscopy lacks specificity and culturing has a long turn-around-time of 2-4 weeks. These limitations can be prevented by the use of molecular diagnostics. The DermaGenius (DG) multiplex kit (PathoNostics, The Netherlands) is a new commercial realtime-PCR kit, which can differentiate various dermatophytes species including the nail pathogens T. rubrum, T. mentagrophytes, T. interdigitale and 2 Candida species (C. albicans and C. parapsilosis). This study aimed at the validation of the kit on nails clippings. Results were compared with histology and culture data. Methods A set of 76 nail clippings was collected from 76 patients attending the dermatology consultation at the University Hospital of Liege on suspicion of onychomycosis. All nails were divided in three pieces for histology, culture and the PCR multiplex assay. Histologic preparations were stained with PAS staining. Cultures were performed on 2 different Sabouraud agar medium slants (bioMérieux). The DNA extraction protocol used a proteinase K pre-treatment followed by an automated DNA-extraction (EasyMag, bioMérieux). An Internal Control (IC) was included to monitor for PCR inhibition or manual errors. The realtime-PCR amplification was performed with the DG kit on a Rotor-Gene Q instrument (Qiagen) by using quantitative amplification and melting curve analysis. Results In total, 35 of 76 cases (46%) were classified as confirmed onychomycosis based on positive microscopy (M+) with or without positive culture (C+) or just by positive culture of a confirmed pathogen. Based on negative microscopy (M-) and negative culture of a confirmed pathogen, 41 cases (54%) were reported as non-fungal onychodystrophy. Agreement between DermaGenius (DG) and culture was found in 52% of the cases while 86% agreement was reported when comparing positive DG with confirmed onychomycosis. Three positive cultures (microscopy negative) were not detected by DG (2 T. rubrum, 1 C. albicans). However, DG could detect 7 additional infections (9%). Eleven discrepancies DG+/C+ were determined which could be positively confirmed in favour of DG result by ITS sequence analysis. Most discrepancies could be explained by fungal/yeast species overgrowing the agar slant, including species of Candida, Fusarium, Trichosporon, which were not considered as the source of infection. Conclusion The DermaGenius Nail plus multiplex was able to detect the most prevalent pathogenic dermatophytes species in clinical nail specimens and proved to be more sensitive and specific than culture and direct microscopy. The DNA extraction procedure has been shown to work efficiently in diagnostics which enables the physician in charge of the patient to start a dedicated treatment rapidly. [less ▲]

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See detailWe gme P08: Fiber-optic temperature profiles analysis for closed-loop geothermal systems-a case study
Radioti, Georgia ULg; Delvoie, Simon ULg; Sartor, Kevin ULg et al

in Second EAGE Workshop on Geomechanics and Energy: The ground as energy source and storage (2015, October)

In order to study the behaviour of shallow closed-loop geothermal systems four borehole heat exchangers equipped with fiber optics were installed on the campus of the University of Liege (Liege, Belgium ... [more ▼]

In order to study the behaviour of shallow closed-loop geothermal systems four borehole heat exchangers equipped with fiber optics were installed on the campus of the University of Liege (Liege, Belgium) over a surface area of 32m². This paper presents the analysis of continuous, high-resolution temperature profiles measured along the boreholes length. The undisturbed ground temperature measurements indicate heat loss from ground structures located close to the boreholes. A 3D numerical model is presented to reproduce the measured temperature profiles. Temperature profiles during hardening of the grouting material indicate extended fractured zones in the rock mass. Temperature measurements during the recovery phase of a Distributed Thermal Response Test indicate the succession of rock layers with different mineral content. The results are in good agreement with those of the borehole televiewer logging method. The presented analysis could provide information on bedrock heterogeneity, on the anisotropic thermal behaviour of the rock mass and on the ground temperature variations due to heat loss from ground structures. These information could significantly contribute to the long-term behaviour prediction of the geothermal system and the geothermal reservoir potential. [less ▲]

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See detailTriclosan retardes development of Sheepshead minnow (Cyprinodon variegatus)
Dussenne, Mélanie ULg; Frederich, Bruno ULg; Das, Krishna ULg et al

Conference (2015, October)

The aquatic environment represents the final sink for many chemicals, including bactericidal agents. Among them Triclosan (TCS), with his chemical structure similar to thyroid hormones (THs), may have ... [more ▼]

The aquatic environment represents the final sink for many chemicals, including bactericidal agents. Among them Triclosan (TCS), with his chemical structure similar to thyroid hormones (THs), may have adverse effects on the thyroid system. The study we carried out aims to evaluate the effects of TCS exposure on development of Cyprinodon variegatus, a fish model used in ecotoxicological studies. We investigated the potential effects of TCS on C. variegatus during two key periods; embryonic development and metamorphosis. We exposed eggs and larvae to environmental relevant concentrations. We showed that TCS had no effect on reproduction parameters, such as egg fertility or survival rate of larvae. However, we highlighted the fact that hatching of exposed larvae was delayed of around 6 to 13 hours compared to control embryos. During the larval phase, measurements of THs levels were performed. We showed that TCS affected the typical ontogenic variations of the whole body thyroid hormones concentrations during metamorphosis. As THs are known to control somatic growth and development, we tested the effects of TCS exposure on morphological development. We observed no deformity or malformation, but we revealed a developmental retardation in larvae exposed to TCS, of around 18 to 32 hours. Such a developmental delay had never been highlighted in previous studies on TCS exposed fish. We hypothesize that the disruption of THs homeostasis affects the timing of the start of metamorphosis. As a consequence, exposed larvae showed an extended larval phase compared to the control group. The harmful effects of TCS on physiology and development are a major concern, as marine organisms are constantly exposed to it. Furthermore, strong connections exist between thyroid and reproductive system, which might have deleterious effects on population dynamics. [less ▲]

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See detailNew genetic cause of gigantism and FIPA
Rostomyan, Liliya ULg; Daly, Adrian ULg; Trivellin, G et al

in Abstract book - 25th meeting of the Belgian Endocrine Society (2015, October)

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See detailAnthropogenic particles in stomachs of anchovies (Engraulis encrasicolus) related to gill rakers morphology
Collard, France ULg; Das, Krishna ULg; Gilbert, Bernard ULg et al

in Proceedings of In the Wake of Plastics, Venice, October 13-15, 2015 (2015, October)

Anthropogenic debris (AB) contaminate oceans and affect marine organisms in several ways. Plastic production is constantly increasing and it is estimated that 10% of this production end in the seas. As a ... [more ▼]

Anthropogenic debris (AB) contaminate oceans and affect marine organisms in several ways. Plastic production is constantly increasing and it is estimated that 10% of this production end in the seas. As a consequence, plastic is considered as an emerging contaminant and ingestions by organisms are increasingly reported. Microdebris (< 5mm) are available for a high range of organisms, including planktivorous fish, such as the European anchovy (Engraulis encrasicolus). Planktivorous fish have a particular gill basket, with long and tight gill rakers, related to their diet. Upon these gill rakers, small structures called denticles are present. These gill rakers act as a net to trap organic particles and AB. The aim of our study was to correlate sizes of AB ingested with the mesh constituted by the gill rakers and associated structures. Fifteen stomach contents were analyzed by Raman spectroscopy and particles were measured. Five gill arches were observed with a scanning electron microscope. Cellulose fibers and microplastics were the most AB ingested. Comparing to other Clupeiformes (pilchard and Atlantic herring), anchovies have more denticles on each gill rakers (personal data). AB ingestion by fish is poorly studied and impacts of AB are not much understood. Clupeiformes play a major role in marine ecosystems and is the most consumed order by humans. As the branchial basket constitutes a food selective apparatus, more morphological studies dealing with AB ingestion on Clupeiformes are needed. [less ▲]

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See detailSoil production and hillslope transport in mid-latitudes during the last glacial-interglacial cycle: A combined data and modelling approach in northern Ardennes
Bovy, Benoît ULg; Braun, Jean; Demoulin, Alain ULg

Conference (2015, October)

The relative efficiency of various hillslope processes through Quaternary glacial-interglacial cycles in the mid-latitudes is not well constrained. Based on a unique set of topographic and soil thickness ... [more ▼]

The relative efficiency of various hillslope processes through Quaternary glacial-interglacial cycles in the mid-latitudes is not well constrained. Based on a unique set of topographic and soil thickness data in the Ardennes (Belgium), we combine the new CLICHE model of climate-dependent hillslope evolution with an inversion algorithm in order to get deeper insight into the ways and timing of hillslope dynamics under one such climatic cycle. We simulate the evolution of a synthetic hill reproducing the terrain attribute distributions of the hillslopes of a ~2500 km2 real area under a simple two-stage 120-kyr-long climatic scenario with linear transitions. The inversion method samples a misfit function in the model parameter space, based on estimates of the fit of topographic derivative distributions in classes of soil thickness and of the relative frequencies of the predicted soil thickness classes. Though the inversion results show convergence patterns for several parameters, no unique solution emerges. We obtain five clusters of good fits, whose centroids are taken as acceptable model solutions. Based on the predicted time series of average denudation rate and soil thickness, plus snapshots of the soil distribution at characteristic times, we compare these solutions with independent data not involved in the misfit function and identify the most realistic one. Providing first-order estimates of several parameters that compare well with published data, it shows that denudation rates increase dramatically at both warm-cold and cold-warm transitions when the mean annual temperature passes through the [0, -5°C] range. It also underlines the overwhelming importance of gelifluction in transporting soil and shaping hillslopes. [less ▲]

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See detailWhere is the ancient harbour of Utica ? Geoarchaeology and palaeoenvironment of the Medjerda delta (Tunisia)
Pleuger, Elisa ULg; Abichou, Hakim; Gadhoum, Ahmed et al

Poster (2015, October)

Ancient authors mention Utica as a maritime and port city and estimate its origin around the 11th c. BC. However, in the present state of research, no archaeological evidence is earlier than the 9th c. BC ... [more ▼]

Ancient authors mention Utica as a maritime and port city and estimate its origin around the 11th c. BC. However, in the present state of research, no archaeological evidence is earlier than the 9th c. BC, and the location of the Phoenician and Roman port infrastructures remains unknown. Today, the ancient city is located on a promontory in the heart of the Medjerda delta, 10 km inland. This project proposes an interdisciplinary effort to understand the Medjerda delta landscape changes during the Holocene. It starts from an archaeological problem and proposes the contribution of geoarchaeology to the understanding of the relationship between ancient societies and their environment. The fluvial palaeoenvironments and sedimentary processes are studied through the mechanical extraction of cores (15-20 m deep) to reach the early Holocene. Selected sediment samples are then studied in laboratory, using different and complementary approaches. First results permitted to draw an hypothesis of the coastline during Antiquity and to bring out the evidence of an intense sedimentation event post 10th c. BC. The location of port infrastructures will bring initial answers to the question of the foundation of the city. The study of river palaeoenvironments of the Medjerda delta during the Holocene aim at a better understanding of the nature of the settlement, as well as the function of the city of Utica over time. This study will also assess the impact of the ancient city on the environment and understand how the city adapted to the mobility of this Mediterranean delta. Furthermore, the analysis of sedimentary processes causing the filling of the harbour basin will lead to speculation about the causes of the abandonment of the structures and more generally the decline of the city in favor of Carthage. It will also examine whether natural or anthropogenic factors have influenced this deltaic progradation over the centuries. [less ▲]

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See detailFurther observations on the endPermian mass extinction based on the palaeobotanical record
Cascales-Miñana, Borja ULg; Diez, José B.; Gerrienne, Philippe ULg et al

in Proceedings of the XXXI Annual Meeting of the Spanish Society of Palaeontology (abstract book) (2015, October)

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See detailThe antibiotic resistance in the environment
Bardiau, Marjorie ULg

Conference (2015, October)

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See detailOn the plant diversity changes during the Ordovician-Mississippian time interval
Cascales-Miñana, Borja ULg

in Proceedings of the XXXI Annual Meeting of the Spanish Society of Palaeontology (abstract book) (2015, October)

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See detailLa participation et ses distorsions: du malentendu aux bénéfices secondaires
Italiano, Patrick ULg

in Bingen, Aline; Pilet, Jean-Benoît (Eds.) L'art de la participation (2015, October)

Les dispositifs participatifs, dans la vie réelle, sont souvent soit verrouillés soit déconnectés de la décision finale sur laquelle ils sont censés porter. Cela peut avoir des effets délétères sur les ... [more ▼]

Les dispositifs participatifs, dans la vie réelle, sont souvent soit verrouillés soit déconnectés de la décision finale sur laquelle ils sont censés porter. Cela peut avoir des effets délétères sur les publics que ces dispositifs voulaient impliquer. Il n'est pas rare que l'on donne le label "participation" à des processus dont la nature est mieux décrite par d'autres concepts. En définitive, c'est probablement dans des dispositifs centrés sur les personnes, et non sur des prises de décisions politiques, que l'exercice participatif est le plus susceptible d'avoir un effet positif univoque. [less ▲]

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See detailA new proposal for predicting the bearing resistance of bolted connections for tubular racking structures
Armenante, Vittorio; Latour, Massimo; Rizzano, Gianvittorio et al

in Proceeding of the XXV Congresso CTA (2015, October)

In the field of shelving structures for the storage of goods realized adopting tubular members, an interesting connection typology to be used to fasten the vertical columns to the beams is represented by ... [more ▼]

In the field of shelving structures for the storage of goods realized adopting tubular members, an interesting connection typology to be used to fasten the vertical columns to the beams is represented by bolted connections with long bolts in shear. With reference to this kind of connections, the authors have already performed a wide experimental and numerical investigation highlighting the occurrence, in this specific case, of local buckling phenomena. In this paper, the attention is focused on the influence of local buckling on the connection resistance, which is neglected by the current version of EC3 in the prediction of the resistance of shear connections of plates. In particular, starting from the results of the experimental and numerical analyses previously performed, in the present paper a formulation for predicting the bearing resistance of the examined connection able to account for the phenomenon of local instability is set up. [less ▲]

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See detailPotential damping of extreme floods in the river Meuse between Ampsin (B) and the Belgian-Dutch border
Bruwier, Martin ULg; Archambeau, Pierre ULg; Erpicum, Sébastien ULg et al

in Lenders, H.J.R.; Collas, F.P.L.; Geerling, G.W. (Eds.) et al Bridging gaps between river science, governance and management. Book of Abstracts NCR-Days 2015 (2015, October)

In the framework of the Interreg IVB project AMICE, hydraulic modelling of floods in the river Meuse was performed by coordinating existing models (Dewals et al. 2012a). The influence of climate change ... [more ▼]

In the framework of the Interreg IVB project AMICE, hydraulic modelling of floods in the river Meuse was performed by coordinating existing models (Dewals et al. 2012a). The influence of climate change scenarios was incorporated indirectly in the simulations through a transnational hydrological scenario (Drogue et al. 2010; Dewals et al. 2013). For a “wet” future climate, this scenario assumes that the peak discharge Q100 of the 100-year flood would increase by 15 % for the time horizon 2021-2050 and by 30 % for the time horizon 2071-2100. However, the design discharge currently used for planning in the Netherlands is higher than those considered to date in the AMICE project. From this perspective, it becomes relevant to analyse flood scenarios corresponding to a peak discharge above Q100+30 %, referred to hereafter as an “extreme” flood. The aim of the study is to give an appreciation of the potential damping of one extreme flood scenario along the river Meuse between Ampsin (Belgium) and the Belgian-Dutch border (Figure 1). This analysis is based on the hydraulic model WOLF 2D (Erpicum et al. 2010) applied to a coarse grid with simplifications in the schematisation. The hydraulic model WOLF 2D has been already used in several studies to simulate floods (Ernst et al. 2010; Beckers et al. 2013, Bruwier et al. 2015, Detrembleur et al. 2015). The coarsening of the grid for simulating the extreme flood scenario is necessary to preserve the computational efficiency, since both the total flood duration and the inundation extents (hence the number of grid cells) increase considerably between the Q100 + 30 % scenario considered previously and the extreme scenario considered here. [less ▲]

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See detailMars atmospheric escape constrained using MAVEN IUVS coronal observations
Chaffin; Deighan; Chauffray et al

Conference (2015, October)

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See detailL’institution de la contre-culture
Saint-Amand, Denis ULg

Conference (2015, October)

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See detailLipid analysis on a putative early land plant and its matrix: Preliminary results
Versteegh, Gerath J.M.; Cascales-Miñana, Borja ULg; Gerrienne, Philippe ULg et al

Conference (2015, October)

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See detailLe développement de la pensée algébrique : quelles différences entre les raisonnements mis en place par les élèves avant et après l'introduction de l'algèbre ?
Demonty, Isabelle ULg; Fagnant, Annick ULg; Vlassis, Joëlle

in Actes du congrès EMF 2015. Pluralités culturelles et universalité des mathématiques : enjeux et perspectives pour leur enseignement et leur apprentissage. (2015, October)

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See detailSURFACE ENGINEERING FOR PARTS MADE BY ADDITIVE MANUFACTURING
Nutal, Nicolas; Rochus, Pierre ULg; Collette, Jean-Paul et al

in 66th International Astronautical Congress (2015, October)

the surface preparation of metal parts made by additive manufacturing (AM). AM is a technology of choice for manufacturing of parts with complex shapes (heat exchangers, RF supports, optical parts…) and ... [more ▼]

the surface preparation of metal parts made by additive manufacturing (AM). AM is a technology of choice for manufacturing of parts with complex shapes (heat exchangers, RF supports, optical parts…) and integrated functions such as conformal cooling channels, clips, hinges, etc. This opens the door for lightweight parts which are of prime importance for space applications. The potential of the AM technologies is however impeded by the quite rough surface finish that is observed on the as-manufactured parts. It is known that such a finish is likely to impact the performance of the parts. Several post-treatment techniques can be applied to improve the surface condition of the AM parts. However, so far, the influence of the successive post-processing steps on the final properties is not well established. Therefore, a better understanding of the impact of surface characteristics on the material behaviour is needed to expand the use of AM for high performance parts. The objective of this study, supported by ESA, is to propose and evaluate various surface finishing techniques for parts made by the AM technologies, in order to check their compatibility, evaluate their properties and derive guidelines for future applications. CRM is the prime proposer of this study and is in charge of the surface treatment and characterisations. Sirris additive manufacturing facilities are used to produce the parts. Thales Alenia Space and Walopt are included into the industrial team to provide concrete application cases. The study focuses on metals. Two metals under study are presented here: AlSi10Mg and Ti6Al4V. This paper is devoted to the early results of the first steps of surface preparation, namely material removal from the surface of the produced parts in order to improve their surface properties. As a first phase, tribo-finishing (TF) is tested on prototype parts to check its capabilities. Surface and volume parameters are analyzed, namely achieved roughness, material removal rate, location of removed material. The limitations in terms of geometry and applicability are discussed as well. These first observations should serve as guidelines for further application of AM for the design of parts used in space industry. [less ▲]

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See detailPrimeros datos sobre las interacciones planta-insecto del yacimiento de La Val (Estadilla, Huesca, NE Spain)
Moreno-Domiguez, Rafael; Cascales-Miñana, Borja ULg; Santos, Artai I et al

in Proceedings of the XXXI Annual Meeting of the Spanish Society of Palaeontology (abstract book) (2015, October)

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See detailFonds 'vautours', contentieux des dettes souveraines et droit de propriété
Wautelet, Patrick ULg

Conference (2015, October)

Cette présentation a pour objectif de contextualiser la loi du 12 juillet 2015 visant à réprimer l'action des fonds dits 'vautours' en offrant une première analyse critique de la loi, principalement au ... [more ▼]

Cette présentation a pour objectif de contextualiser la loi du 12 juillet 2015 visant à réprimer l'action des fonds dits 'vautours' en offrant une première analyse critique de la loi, principalement au regard de la protection internationale du droit de propriété [less ▲]

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See detailThe role of LMIs in supporting nonstandard professional transitions
Pichault, François ULg

Conference (2015, October)

The succession of economic and financial crises has led to the development of multiple categories of jobs ranging from unemployment and precarious jobs to full-time salaried positions (Schmid, 2015 ... [more ▼]

The succession of economic and financial crises has led to the development of multiple categories of jobs ranging from unemployment and precarious jobs to full-time salaried positions (Schmid, 2015). Between these two “extreme” situations, a “grey zone” of hybrid work categories is developing, with jobs supported by public authorities, temporary jobs, integration programs via internships and intensive training, incubators for new entrepreneurs, franchising, contract work, etc. The main common feature of such hybrid categories is a progressive transformation of the traditional employment relationships towards “multilaterality” (Countouris, 2007). If a context of nonstandard work arrangements (Cappelli & Keller, 2013) paves the way to nonstandard forms of professional transitions, it may also drive dissatisfaction, as the growing grey zone of hybrid statuses may be associated with cumulated precariousness, without counterparts (Kalleberg, 2009). Professional transitions through alternative work arrangements raise many questions in terms of job security, continuity of wage, skills development, integration into the social security system, etc. (Davidov, 2004; Havard et al., 2009; Keller & Seifert, 2013; Wears & Fisher, 2012). Who should take care of these issues? If individuals are no longer following a classical organisational and/or professional career, to what extent must their career path be automatically considered as their own responsibility and a result of their entrepreneurial capabilities? Between the “hierarchical” steering of organisational careers and the free “market” interplay specific to boundaryless careers (Arthur & Rousseau, 1996), there is a place for median formulas, seeking to both relieve individuals of the administrative difficulties linked to a discontinuous series of different statuses, while offering them new services that meet simultaneously their demands for flexibility and security. Our paper explores the extent to which such Labour Market Intermediaries (LMIs) can effectively secure nonstandard career paths. In order to characterize their roles, we created a multidimensional grid made up of 6 criteria: 1) partnership logic, 2) responsibility for matchmaking, 3) prevailing regulatory framework, 4) HR packages offered, 5) availability of information produced and 6) innovativeness. We illustrate this analytical framework via several case studies of LMIs operating in Belgium. Beyond the creation of an original multidimensional grid, our results outline two ideal-typical ways of securing nonstandard careers paths. Some LMIs reconstruct internal labour markets and operate as “quasi-employers”. Others suggest more disruptive solutions in which workers are supported while becoming fully responsible for their career as “self-employers”. Between these two extreme situations, many other possibilities may emerge according the variations of each criterion. Our multidimensional grid is an attempt to enrich existing typologies provided by the literature (Autor, 2008; Benner, 2003; Bonet et al., 2013). At the end of our analysis, a challenging hypothesis emerges from our empirical material. Once the support offered by LMIs goes away from the traditional employment patterns, a radical shift seems to occur in the purpose of career management: it is no longer a question of securing the employment relationship itself but rather a question of smoothing over welfare entitlements and incomes through professional transitions. It probably reflects more profound changes in the labour market, under the aegis of an active welfare State (Van Berkel et al., 2011)… [less ▲]

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See detailNouvelle mutation du Fibroblast Growth Factor Receptor 1 (FGFR1)-cause d'hypogonadisme hypogonadotrope idiopathique normosmique
Potorac, Iulia ULg; Chachati, Anne-Sophie ULg; Debray, François-Guillaume ULg et al

in Abstract book- Annales d'Endocrinologie - 32ème Congrès de la Société Française d'Endocrinologie (2015, October)

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See detailLa vulnerabilidad como valor jurídico-ético para asegurar el «best interest» de los menores: comparación entre el tribunal europeo de derechos humanos y el tribunal de justicia de la Unión Europea
Colussi, Ilaria Anna ULg

in Alvarez Vélez, Isabel; Rey Pérez, José Louis (Eds.) Derecho y pobreza (2015, October)

Within the concept of "vulnerability" - considered as an inherent or innate value of the human being, from which it is necessary to start in order to build a genuine social policy- the children's ... [more ▼]

Within the concept of "vulnerability" - considered as an inherent or innate value of the human being, from which it is necessary to start in order to build a genuine social policy- the children's vulnerability occupies a special position. Traditionally, children have been treated as objects of protection and not as subjects of rights according to an authoritarian and paternalistic perspective. Over time, a different view of this matter has developed, and it has put the child at the center of attention, considering his vulnerabilities, needs and interests. This perspective has been reflected in the legislation, in case law and doctrine, both internationally and nationally. The concept of "best interest" is the key for addressing children's vulnerability of children and developing substantive equality for them. The European Court of Human Rights in Strasbourg and the Court of Justice of the European Union in Luxembourg have defined this concept in different areas: in the field of international child abduction, immigration, asylum and family reunification, custody and parental responsibility. Although these two tribunals have grounded their arguments on different legal perspectives, both have shown and still show a trend towards convergence to common points, through a balanced consideration of rights in this area. This communication aims at examining the relevant jurisprudence of the aforementioned tribunals about the notion of "best interest" of the child. The case-law since 2011 until 2015 has been taken into account. [less ▲]

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See detailUne lésion sellaire d'évolution hautement fluctuante
BETEA, Daniela ULg; Potorac, Iulia ULg; BONNEVILLE, Jean-François ULg et al

in Abstract book - Annales d'Endocrinologie - 32ème Congrès de la Société Française d'Endocrinologie (2015, October)

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See detailUsing S-Monovette° lower the rate of hemolysed specimen from a belgian academic emergency department
VRANKEN, Laura ULg; DELCOUR, Sandra ULg; CAVALIER, Etienne ULg

in Clinical Chemistry & Laboratory Medicine (2015, October)

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See detailA three year survey of dermatophytoses in Belgium
SACHELI, Rosalie ULg; DARFOUF, Rajae ULg; GRAIDE, Hélène ULg et al

in Mycoses (2015, October), 58(Supplement 4), 135

Objectives Dermatophytosis refers to superficial fungal infections of keratinized tissues caused by keratinophilic dermatophytes. They are the most common cause of superficial fungal infections worldwide ... [more ▼]

Objectives Dermatophytosis refers to superficial fungal infections of keratinized tissues caused by keratinophilic dermatophytes. They are the most common cause of superficial fungal infections worldwide. Epidemiological studies regarding dermatophyte infections have been conducted in several countries and differences in the incidence and in etiological agents have been reported for different geographical areas. That is why national surveillance of circulating strains causing dermatophytosis is crucial. The Belgian National Reference Center (NRC) for Mycoses conducted a survey on dermatophytes strains circulating from 2012 to 2014. The present study was performed to assess the profile of dermatophytosis and to identify the species involved. Methods The Belgian NRC for Mycosis collected 9138 strains between January 2012 and December 2014. The isolates were cultured from patients clinically suspected for fungal infections of skin, hair and nails. Isolates were sent by Belgian laboratories to the two labs of the Belgian NRC (UZ Leuven and CHU of Liège) in order to identify the fungus or to confirm the identification. All isolates cultured from patients of UZ Leuven and CHU of Liège were also included. Fungal identification was performed by microscopy after subculture and in case of doubtful identifications by ITS sequencing. Results .Among the 9138 samples (results of UZ Leuven and CHU of Liège combined), 3587 were identified as dermatophytes. Trichophyton. rubrum (T. rubrum) was the most prevalent species accounting for 56,17% (n=2015) of the infections from all sources, followed by T. mentagrophytes complex (21,83%, n=783). The other main etiological agents of dermatophytosis recorded in this study in descending order of prevalence were M. audouinii (n=303), M. canis (n=120), T. violaceum (n=112), T. tonsurans (n= 95), T. soudanense (n=66), M. praecox (n=59), E. floccosum (n=14) Our data reveal the predominance of anthropophilic species causing tinea capitis especially M. audouinii responsible for 36,49% (n=163/448) of hair/scalp infection. Trichophyton violaceum rarely observed in our country is frequently found as 12,8% (n=57) of the reported cases of tinea capitis are due to this species. The retrospective evaluation of data collected also shows that zoophilic strains as M. canis well represented in the past epidemiology of tinea capitis, is decreasing in frequency accounting for only 7,2% (n=32) of clinical cases. Finally, our data confirm the high prevalence of T. rubrum commonly observed in Europe as causal agent of onychomycosis (70,9%, n=1603) followed by T. mentagrophytes complex (20,9%, n=455). T. rubrum and T. mentagrophytes complex are also responsible for the majority of skin infections as they represent respectively 40% (n=386) and 24,75% (n=239) of skin dermatophytosis during the study period. Conclusions The present work has provided recent data on the prevalence of several dermatophytes species circulating in Belgium. Such data is critical for the establishment of therapeutic strategies and measures for prevention and control of dermatophytes infections. Our study confirms the predominance of T. rubrum followed by T. mentagrophytes in the Belgian population but also highlights the emergence of new anthropophilic species such as M. audouinii and T. violaceum as causative agents of tinea capitis in children in relation with African immigration. [less ▲]

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See detailSymboliser et conceptualiser, deux facettes indispensables de la pensée mathématique. L'exemple de l'algèbre.
Vlassis, Joëlle; Fagnant, Annick ULg; Demonty, Isabelle ULg

in Actes du congrès EMF 2015. Pluralités culturelles et universalité des mathématiques : enjeux et perspectives pour leur enseignement et leur apprentissage. (2015, October)

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See detailApparatuses as loci of bio-political emergence: development of genetic testing in Belgium
Fallon, Catherine ULg

Conference (2015, October)

In his vision of “biopolitics” Lemke (2011) proposes to conceptualize life and politics as entities intertwined within a dynamic relationship. These technologies change the production of norms and the ... [more ▼]

In his vision of “biopolitics” Lemke (2011) proposes to conceptualize life and politics as entities intertwined within a dynamic relationship. These technologies change the production of norms and the apparatuses (Foucault 2008) organizing the distribution of the living in the domain of utility: therefore biopolitics must be analyzed as center pieces in the transformation of politics. The developments in genomics and epigenetics support the vision of the individual body as an “information network” rather than a physical substrate. The experts (with the active support of the patients) construct models for the calculation of life in the development of policy regulation and contribute actively to frame the policy relevant issues – either at individual or at population level, on the basis of power strategies mobilizing and disseminating specific forms of knowledge which are disciplined and selective. The contribution will present the recent evolution of the apparatuses producing the technical regulation and financial norms for the use of genetic testing in the federal Belgian public health system, considering the two complementary level of the “dispositif” : - At the political level, transformation of the « Conseil supérieur de la Génétique humaine » (1973-2013) into a « Collège de médecins pour le centre de génétique humaine » and the development of new control relations between the subsidizing and control bodies and the hospitals, - At the individual level, transformation of the cooperation between medical doctors, biomedical experts and psycho-sociologists in the relationship with the patients, as they can be observed at the level of the hospital; Who has the resources (intellectual, technological or financial) to control the technology and its use ? what are the social, institutional and technological constrains? who defines and select the legitimate options ? The analysis is not so much normative than critical, giving due attention to the social context and contingent rationalities in the evolution of this peculiar political action, with the aim of opening new areas of discussions transgressing disciplinary and institutional borders which are too often considered as self evident. [less ▲]

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See detailA Generic Feature Selection Method for Background Subtraction Using Global Foreground Models
Braham, Marc ULg; Van Droogenbroeck, Marc ULg

in Advanced Concepts for Intelligent Vision Systems (2015, October)

Over the last few years, a wide variety of background subtraction algorithms have been proposed for the detection of moving objects in videos acquired with a static camera. While much effort have been ... [more ▼]

Over the last few years, a wide variety of background subtraction algorithms have been proposed for the detection of moving objects in videos acquired with a static camera. While much effort have been devoted to the development of robust background models, the automatic spatial selection of useful features for representing the background has been neglected. In this paper, we propose a generic and tractable feature selection method. Interesting contributions of this work are the proposal of a selection process coherent with the segmentation process and the exploitation of global foreground models in the selection strategy. Experiments conducted on the ViBe algorithm show that our feature selection technique improves the segmentation results. [less ▲]

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See detailImplication of adamalysin proteases in mesothelioma
Sepult, Christelle ULg; Rocks, Natacha ULg; Bekaert, Sandrine et al

Conference (2015, September 30)

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See detailBien soigner l'arthrose: un enjeu capital pour notre société!
Henrotin, Yves ULg

Conference (2015, September 29)

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See detailSimulations of the auroral signatures of Jupiter’s magnetospheric injections
Dumont, Maïté ULg; Grodent, Denis ULg; Radioti, Aikaterini ULg et al

Conference (2015, September 29)

We report the evolution of ultraviolet auroral features located equatorward of the main emission appearing in the Hubble Space Telescope (HST) images of the northern and the southern Jovian hemisphere. We ... [more ▼]

We report the evolution of ultraviolet auroral features located equatorward of the main emission appearing in the Hubble Space Telescope (HST) images of the northern and the southern Jovian hemisphere. We investigate the possibility that those ultraviolet auroral structures are associated with energetic particle injections. For this study, we compare the characteristics of the simulated auroral signature of plasma injections with the observed parameters of equatorward isolated auroral structures. [less ▲]

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See detailStatistical analysis and multi-instrument overview of the quasi-periodic 1-hour pulsations in the Saturn's outer magnetosphere
Palmaerts, Benjamin ULg; Roussos, Elias; Krupp, Norbert et al

Poster (2015, September 29)

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