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See detailQuand Caïn scrute Abel. Reflets mutuels des neutralités belge et suisse autour de la Première Guerre mondiale
Genin, Vincent ULg

in Revue Générale (2016), 2016/4(juillet-août),

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See detailPhilosophie et esthétique de la modernité: Approches phénoménologiques et sociologiques
Hagelstein, Maud ULg; Zincq, Aurélien ULg

in Bulletin d'Analyse Phénoménologique (2016), 12 (2016)(4),

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See detailCognitive processes across anxiety disorders related to intolerance of uncertainty: Clinical Review
Vander Haegen, Marie ULg; Etienne, Anne-Marie ULg

in Cogent Psychology (2016), 3

Abstract: Objective: Being a relatively recent concept, the intolerance of uncertainty (IU) suffers from inconsistent definitions and conceptual overlap. The core objective of the study is to clarify its ... [more ▼]

Abstract: Objective: Being a relatively recent concept, the intolerance of uncertainty (IU) suffers from inconsistent definitions and conceptual overlap. The core objective of the study is to clarify its clinical manifestations and its involved cognitive processes. Method: The procedure is based on algorithms (equations of keywords) encoded simultaneously in databases (Scopus, PubMed, and PsycArticles). Results are filtered by the year (range of 10 years [2005–2015] because it is a recent concept) and the relevance of abstracts. Once the studies are appraised, results are categorized in two groups: studies which examine the IU in a clinical perspective (relations with one or several anxiety disorders) (cluster A) and those which measure the IU through a cognitive perspective (cognition, metacognition) (cluster B). Results: 66 results are retrieved: 50 results concern the cluster A and 16 examine the cluster B. The state of the IU varies between studies (e.g. predictor and mediator), which make comparisons difficult. Notwithstanding, the IU construct seems to be a broad transdiagnostic maintaining risk factor involved in a range of psychological disorders. Conclusion: This clustering supported that researchers and clinicians may benefit from incorporating IU within cognitive and computational research design and as a specific treatment target. [less ▲]

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See detailBoosting shape classifiers accuracy by considering the inverse shape
Pierard, Sébastien ULg; Lejeune, Antoine ULg; Van Droogenbroeck, Marc ULg

in Journal of Pattern Recognition Research (2016), 11(1), 41-54

Many techniques exist for describing shapes. These techniques almost exclusively consider the contour or the inside of the shape; the major problem for describing the outside of a shape, or inverse shape ... [more ▼]

Many techniques exist for describing shapes. These techniques almost exclusively consider the contour or the inside of the shape; the major problem for describing the outside of a shape, or inverse shape, being that it has an infinite extension. In this paper, we show how to adapt two shape descriptors, one region based, the Cover By Rectangles, and one transform based, the Zernike moments, to be applicable to the inverse shape. We analyze their properties, and show how to deal with the infinite extension of the inverse shape. Then, we apply these descriptors to shape classification and compare representations that use the shape, its inverse, or both. Our experiments establish that, for shape classification, a representation integrating the inverse shape often outperforms a representation restricted to the shape. This opens the path for better techniques that could use, as a rule of thumb, both the representations of a shape and its inverse for the purpose of classification. [less ▲]

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See detailLeveraging orientation knowledge to enhance human pose estimation methods
Azrour, Samir ULg; Pierard, Sébastien ULg; Van Droogenbroeck, Marc ULg

in Articulated Motion and Deformable Objects AMDO 2016 (2016, July)

Predicting accurately and in real-time 3D body joint positions from a depth image is the cornerstone for many safety, biomedical, and entertainment applications. Despite the high quality of the depth ... [more ▼]

Predicting accurately and in real-time 3D body joint positions from a depth image is the cornerstone for many safety, biomedical, and entertainment applications. Despite the high quality of the depth images, the accuracy of existing human pose estimation methods from single depth images remains insufficient for some applications. In order to enhance the accuracy, we suggest to leverage a rough orientation estimation to dynamically select a 3D joint position prediction model specialized for this orientation. This orientation estimation can be obtained in real-time either from the image itself, or from any other clue like tracking. We demonstrate the merits of this general principle on a pose estimation method similar to the one used with Kinect cameras. Our results show that the accuracy is improved by up to 45.1 %, with respect to a method using the same model for all orientations. [less ▲]

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See detailSusceptibility of pigs to zoonotic hepatitis E virus genotype 3 isolated from a wild boar
Thiry, Damien ULg; Rose, Nicolas; Mauroy, Axel ULg et al

in Transboundary and Emerging Diseases (2016)

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See detailSPARC Report on the Mystery of Carbon Tetrachloride
Ahmadzai, H; Bock, R P; Burkholder, J B et al

in Liang, Qing; Newman, Paul A; Reimann, Stefan (Eds.) SPARC Report on the Mystery of Carbon Tetrachloride (2016)

The Montreal Protocol (MP) controls the production and consumption of carbon tetrachloride (CCl4 or CTC) and other ozone-depleting substances (ODSs) for emissive uses. CCl4 is a major ODS, accounting for ... [more ▼]

The Montreal Protocol (MP) controls the production and consumption of carbon tetrachloride (CCl4 or CTC) and other ozone-depleting substances (ODSs) for emissive uses. CCl4 is a major ODS, accounting for about 12% of the globally averaged inorganic chlorine and bromine in the stratosphere, compared to 14% for CFC-12 in 2012. In spite of the MP controls, there are large ongoing emissions of CCl4 into the atmosphere. Estimates of emissions from various techniques ought to yield similar numbers. However, the recent WMO/UNEP Scientific Assessment of Ozone Depletion [WMO, 2014] estimated a 2007-2012 CCl4 bottom-up emission of 1-4 Gg/year (1-4 kilotonnes/year), based on country-by-country reports to UNEP, and a global top-down emissions estimate of 57 Gg/ year, based on atmospheric measurements. This 54 Gg/year difference has not been explained. In order to assess the current knowledge on global CCl4 sources and sinks, stakeholders from industrial, governmental, and the scientific communities came together at the “Solving the Mystery of Carbon Tetrachloride” workshop, which was held from 4-6 October 2015 at Empa in Dübendorf, Switzerland. During this workshop, several new findings were brought forward by the participants on CCl4 emissions and related science. • Anthropogenic production and consumption for feedstock and process agent uses (e.g., as approved solvents) are reported to UNEP under the MP. Based on these numbers, global bottom-up emissions of 3 (0-8) Gg/year are estimated for 2007-2013 in this report. This number is also reasonably consistent with this report’s new industry-based bottom-up estimate for fugitive emissions of 2 Gg/year. • By-product emissions from chloromethanes and perchloroethylene plants are newly proposed in this report as significant CCl4 sources, with global emissions estimated from these plants to be 13 Gg/year in 2014. • This report updates the anthropogenic CCl4 emissions estimation as a maximum of ~25 Gg/year. This number is derived by combining the above fugitive and by-product emissions (2 Gg/year and 13 Gg/year, respectively) with 10 Gg/year from legacy emissions plus potential unreported inadvertent emissions from other sources. • Ongoing atmospheric CCl4 measurements within global networks have been exploited for assessing regional emissions. In addition to existing emissions estimates from China and Australia, the workshop prompted research on emissions in the U.S. and Europe. The sum of these four regional emissions is estimated as 21±7.5a Gg/year, but this is not a complete global accounting. These regional top-down emissions estimates also show that most of the CCl4 emissions originate from chemical industrial regions, and are not linked to major population centres. • The total CCl4 lifetime is critical for calculating top-down global emissions. CCl4 is destroyed in the stratosphere, oceans, and soils, complicating the total lifetime estimate. The atmospheric lifetime with respect to stratospheric loss was recently revised to 44 (36-58) years, and remains unchanged in this report. New findings from additional measurement campaigns and reanalysis of physical parameters lead to changes in the ocean lifetime from 94 years to 210 (157-313) years, and in the soil lifetime from 195 years to 375 (288-536) years. • These revised lifetimes lead to an increase of the total lifetime from 26 years in WMO [2014] to 33 (28-41) years. Consequently, CCl4 is lost at a slower rate from the atmosphere. With this new total lifetime, the global top-down emissions calculation decreases from 57 (40-74) Gg/year in WMO [2014] to 40 (25-55) Gg/year. This estimate is relatively consistent with the independent gradient top-down emissions of 30 (25-35) Gg/year, based upon differences between atmospheric measurements of CCl4 in the Northern and Southern Hemispheres. In addition, this new total lifetime implies an upper limit of 3-4 Gg/year of natural emissions, based upon newly reported observations of old air in firn snow. These new CCl4 emissions estimates from the workshop make considerable progress toward closing the emissions discrepancy. The new industrial bottom-up emissions estimate (15 Gg/year total) includes emissions from chloromethanes plants (13 Gg/year) and feedstock fugitive emissions (2 Gg/year). When combined with legacy emissions and unreported inadvertent emissions, this could be up to 25 Gg/year. Top-down emissions estimates are: global 40 (25-55) Gg/year, gradient 30 (25-35) Gg/year, and regional 21 (14-28) Gg/year. While the new bottom-up value is still less than the aggregated top-down values, these estimates reconcile the CCl4 budget discrepancy when considered at the edges of their uncertainties. [less ▲]

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See detailPlant mitochondrial complex I composition and assembly: a review
Subrahmanian, Nitya; Remacle, Claire ULg; Hamel, Patrice

in Biochimica et Biophysica Acta-Bioenergetics (2016), 1857(7), 1001-1014

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See detailPassive flutter suppression using a nonlinear tuned vibration absorber
Verstraelen, Edouard ULg; Gourc, Etienne ULg; Kerschen, Gaëtan ULg et al

Poster (2016, July)

A recent study showed that the addition of a linear tuned vibration absorber could increase the flutter speed of a rigid wing with pitch and flap degrees of freedom by about 35%. However, the absorber was ... [more ▼]

A recent study showed that the addition of a linear tuned vibration absorber could increase the flutter speed of a rigid wing with pitch and flap degrees of freedom by about 35%. However, the absorber was turning the initial super-critical bifurcation into a sub-critical one. This work shows numerically that adding a nonlinear restoring force to the absorber can restore the su- percritical behaviour of the bifurcation and further reduce the post-instability limit cycle amplitude. [less ▲]

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See detailInventaire et typologie des listes grecques et latines de produits pharmaceutiques
Ricciardetto, Antonio ULg

in Derda, Tomasz; Lajtar, Adam; Urbanik, Jakub (Eds.) Proceedings of the XXVIIth International Congress of Papyrology. Warsaw, 29 July - 3 August 2013 (2016, July)

Dans la documentation papyrologique relative aux pratiques médicales de l’Égypte gréco-romaine et byzantine, le genre des listes de produits pharmaceutiques n’a encore jamais fait l’objet, ni d’un ... [more ▼]

Dans la documentation papyrologique relative aux pratiques médicales de l’Égypte gréco-romaine et byzantine, le genre des listes de produits pharmaceutiques n’a encore jamais fait l’objet, ni d’un inventaire, ni d’une étude exhaustifs. Dans le cadre de nos recherches doctorales sur la typologie des papyrus documentaires grecs et latins à caractère médical, c’est cette lacune que l’on se propose de combler, d’une part en cataloguant, au moyen de la fiche Mertens-Pack³ du CEDOPAL, la trentaine de listes de produits pharmaceutiques provenant d’Égypte, écrites en grec sur papyrus et ostracon (IIIe s. av. J.-Chr.-VIIe s. apr. J.-Chr.), auxquelles on ajoutera deux listes latines sur tablettes de bois, provenant du camp romain de Vindolanda (c. 100p), et, d’autre part, en analysant les aspects formels, paléographiques, textuels et contextuels de ces documents médicaux qui peuvent correspondre, soit à un inventaire de droguiste, soit à une commande, soit à une ou plusieurs recettes dont l’état fragmentaire du support a fait disparaître les proportions. On comparera les données obtenues avec d’autres pièces papyrologiques, spécialement les nombreuses prescriptions médicales, ainsi que les comptes, les reçus de paiement ou encore les lettres privées relatives à des demandes de médicaments ou à la livraison de substances pharmaceutiques. [less ▲]

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See detailPsychological transition and adjustment processes related to retirement: Influence on cognitive functioning
Grotz, Catherine ULg; Matharan, Fanny; Pérès, Karine et al

in Aging & Mental Health (2016), 0

Objective: To investigate the relationship between psychological transition and adjustment to retirement and cognitive performances in older adults. Methods: The study’s sample was taken from the Approche ... [more ▼]

Objective: To investigate the relationship between psychological transition and adjustment to retirement and cognitive performances in older adults. Methods: The study’s sample was taken from the Approche Multidisciplinaire Int egr ee cohort, a French prospective study of retirees from agriculture, aged 65 and over, living in rural settings in southwestern France. The cross-sectional analyses were conducted on a sample of 590 elderly people without dementia at baseline and for whom information on perception of the work setting, experience of the retirement transition and adaptation to retirement life (nine variables) as well as neuropsychological measures (global cognitive functioning, episodic memory, verbal fluency, attention and psychomotor speed) were available at first visit. Results: Multivariable linear regression analyses, including nine variables related to retirement and adjusted for potential confounding factors, indicated that three of them positive consideration of former work situation, development of new activities during retirement and good adaptation to free time were associated with better cognitive performances. Conclusions: We found that several factors proved to be determinants of good cognitive functioning at retirement and could serve as a basis for the development of more efficient intervention programs aimed at helping retirees to maintain good cognitive functioning after retirement. [less ▲]

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See detailEuropean Commission, trade agreements, and diversity of cultural expressions: between autonomy and influence
Vlassis, Antonios ULg

in European Journal of Communication (2016), 31(4)

The Convention on diversity of cultural expressions – adopted by United Nations Educational, Scientific and Cultural Organization in 2005 – is a main international instrument within the global governance ... [more ▼]

The Convention on diversity of cultural expressions – adopted by United Nations Educational, Scientific and Cultural Organization in 2005 – is a main international instrument within the global governance of cultural and audiovisual industries. For its part, the European Commission played a critical role in the negotiation, leading to the Convention on Diversity of Cultural Expressions’ adoption. In this respect, the article aims to explore why and how the Commission uses the Convention on Diversity of Cultural Expressions throughout the recent European Union trade negotiations, for which purposes and how the Convention on Diversity of Cultural Expressions influences the European Union foreign policy and its objectives. The article is more concerned with analysing the policy process through which the Commission’s strategy is formulated in light of the Convention on Diversity of Cultural Expressions and of the place of cultural and audiovisual industries within the European Union trade agreements and also concerned with understanding whether the Commission’s autonomy is transformed into influence within the policy process. [less ▲]

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See detailBiology of Damselfishes
Frederich, Bruno ULg; Parmentier, Eric ULg

Book published by CRC-Press, Taylor & Francis (2016)

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See detailEcomorphology and Iterative Ecological Radiation of Damselfishes
Frederich, Bruno ULg; Cooper, W. James; Aguilar-Medrano, Rosalia

in Frederich, Bruno; Parmentier, Eric (Eds.) Biology of Damselfishes (2016)

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See detailOntogeny and Early Life Stages of Damselfishes
Kavanagh, Kathryn; Frederich, Bruno ULg

in Frederich, Bruno; Parmentier, Eric (Eds.) Biology of Damselfishes (2016)

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See detailCerato-Mandibular Ligament: a Key Trait in Damselfishes?
Olivier, Damien ULg; Frederich, Bruno ULg; Parmentier, Eric ULg

in Frederich, Bruno; Parmentier, Eric (Eds.) Biology of Damselfishes (2016)

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See detailMeet the Damselfishes
Parmentier, Eric ULg; Frederich, Bruno ULg

in Frederich, Bruno; Parmentier, Eric (Eds.) Biology of Damselfishes (2016)

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See detailTrophic Ecology of Damselfishes
Frederich, Bruno ULg; Olivier, Damien ULg; Gajdzik, Laura ULg et al

in Frederich, Bruno; Parmentier, Eric (Eds.) Biology of Damselfishes (2016)

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See detailCapillary electrophoresis method to determine siRNA complexation with cationic liposomes
Furst, Tania ULg; Bettonville, Virginie ULg; Farcas, Elena ULg et al

in Electrophoresis (2016)

Small interfering RNA (siRNA) inducing gene silencing has great potential to treat many human diseases. To ensure effective siRNA delivery, it must be complexed with an appropriate vector, generally ... [more ▼]

Small interfering RNA (siRNA) inducing gene silencing has great potential to treat many human diseases. To ensure effective siRNA delivery, it must be complexed with an appropriate vector, generally nanoparticles. The nanoparticulate complex requires an optimal physiochemical characterization and the complexation efficiency has to be precisely determined. The methods usually used to measure complexation are gel electrophoresis and RiboGreen® fluorescence-based assay. However, those approaches are not automated and present some drawbacks such as the low throughput and the use of carcinogenic reagents. The aim of this work is to develop a new simple and fast method to accurately quantify the complexation efficiency. In this research, capillary electrophoresis (CE) was used to determine the siRNA complexation with cationic liposomes. The short-end injection mode applied enabled siRNA detection in less than 5 min. Moreover, the CE technique offers many advantages compared to the other classical methods. It is automated, does not require sample preparation and expensive reagents. Moreover, no mutagenic risk is associated to CE approach since no carcinogenic product is used. Finally, this methodology can also be extended to the characterization of other types of nanoparticles encapsulating siRNA, such as cationic polymeric nanoparticles. [less ▲]

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See detailLe sexe ratio chez les bovins : mécanismes potentiels.
Hanzen, Christian ULg; Chastant-Maillard, Sylvie; Rao, Anne-Sophie ULg et al

in Point Vétérinaire (2016), 367

Le sexe ratio (proportion de veaux mâles nés) peut varier sous l’effet de nombreux facteurs (voir l’article dans un numéro précédent). Les mécanismes d’action biologiques expliquant ces variations sont ... [more ▼]

Le sexe ratio (proportion de veaux mâles nés) peut varier sous l’effet de nombreux facteurs (voir l’article dans un numéro précédent). Les mécanismes d’action biologiques expliquant ces variations sont potentiellement nombreux. Tout d’abord l’origine des ovocytes (le sexe ratio varie entre l’ovaire droit et l’ovaire gauche), alors que l’influence de la corne qui héberge le fœtus ne semble pas avoir d’influence. Les spermatozoïdes porteurs du chromosome Y seraient plus rapides mais moins résistants que les spermatozoïdes porteurs du X, expliquant l’influence du moment de l’insémination par rapport à l’ovulation (influence néanmoins non systématiquement observée). La glycémie de la mère orienterait le sexe ratio par un impact sur la maturation ovocytaire et sur le début du développement embryonnaire, les embryons montrant des différences dans leur métabolisme et dans leur résistance au stress. Néanmoins, ces mécanismes restent hypothétiques et mal élucidés. [less ▲]

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