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See detailIdentification of a novel snake peptide displaying high affinity and antagonist behaviour for the alpha2-adrenoreceptors
Rouget, Céline; Quinton, Loïc ULg; Maïga, Arhamatoulaye et al

in British Journal of Pharmacology (2010), 161

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See detailLa percepción de la Presidencia española del Consejo de la UE en la prensa extranjera
Natorski, Michal ULg

in Barbé, Esther (Ed.) Entre la irrelevancia internacional y el aprendizaje institucional: La presidencia española de la UE (2010) (2010)

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See detailEl Partenariado Oriental durante la presidencia española del Consejo de la UE: la gestión eficaz de unos objetivos modesto
Natorski, Michal ULg

in Barbé, Esther (Ed.) Entre la irrelevancia internacional y el aprendizaje institucional: La presidencia española de la UE (2010) (2010)

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See detailIMA Commission on New Minerals, Nomenclature and Classification (CNMNC), Newsletter 3
Williams, Pete; Hatert, Frédéric ULg; Pasero, Marco et al

in Mineralogical Magazine (2010), 74

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See detailEffect of an electric field on an intermittent granular flow
Mersch, Eric ULg; Lumay, Geoffroy ULg; Boschini, Frédéric ULg et al

in Physical Review. E : Statistical, Nonlinear, and Soft Matter Physics (2010), 81

Granular gravity driven flows of glass beads have been observed in a silo with a flat bottom. A dc high electric field has been applied perpendicularly to the silo to tune the cohesion. The outlet mass flow ... [more ▼]

Granular gravity driven flows of glass beads have been observed in a silo with a flat bottom. A dc high electric field has been applied perpendicularly to the silo to tune the cohesion. The outlet mass flow has been measured. An image subtraction technique has been applied to visualize the flow geometry and a spatiotemporal analysis of the flow dynamics has been performed. The outlet mass flow is independent of voltage, but a transition from funnel flow to rathole flow is observed. This transition is of probabilistic nature and an intermediate situation exists between the funnel and the rathole situations. At a given voltage, two kinds of flow dynamics can occur: a continuous flow or an intermittent flow. The electric field increases the probability to observe an intermittent flow. [less ▲]

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See detail2-Point correlation function of nanostructured materials via the grey-tone correlation function of electron tomograms: A three-dimensional structural analysis of ordered mesoporous silica
Gommes, Cédric ULg; Friedrich, Heiner; De Jongh, Petra E et al

in Acta Materialia (2010), 58

Electron tomography is a unique technique for imaging the microstructure of materials with a nanometer resolution. The signal to noise ratio of electron tomograms is, however, often too low for a reliable ... [more ▼]

Electron tomography is a unique technique for imaging the microstructure of materials with a nanometer resolution. The signal to noise ratio of electron tomograms is, however, often too low for a reliable segmentation-based image analysis. We derive a general relation between the grey-tone correlation function of the tomograms and the 2-point correlation function of the morphology, which enables to analyze quantitatively the grey-tone correlation function with a morphological model of the material. The methodology is applied to SBA-15 ordered mesoporous silica. The three-dimensional grey-tone correlation function obtained from electron tomography is analyzed in terms of a hexagonal array of Gaussian independent pores. The model enables to relate the morphology obtained from the 2-point correlation function to macroscopic characterization data of the material, notably small-angle X-ray scattering and nitrogen adsorption. [less ▲]

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See detailThe net biome production of full crop rotations in Europe
Kutsch, W. L.; Aubinet, Marc ULg; Buchmann, N. et al

in Agriculture, Ecosystems & Environment (2010), 139

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See detailLes deux laïcités
Jacquemain, Marc ULg

Learning material (2010)

Le document synthétise ce qui semble la ligne de fracture majeure au sein de la laïcité franco-belge : opposition entre une conception "républicaine" et une conception "libérale". Les deux peuvent se ... [more ▼]

Le document synthétise ce qui semble la ligne de fracture majeure au sein de la laïcité franco-belge : opposition entre une conception "républicaine" et une conception "libérale". Les deux peuvent se réclamer de la tradition laïque mais la première inclut une forme d'hostilité de principe à la religion qui est étrangère à la seconde. Le document tente de synthétiser les principales conséquences politiques de ces deux conceptions en passant en revue la neutralité des agents de l'Etat, la neutralité des citoyens et des élèves, ainsi que les discriminations indirectes et les accommodements raisonnables. Sur ces quatre points, les deux conceptions de la laïcité conduisent à des positions politiques différentes. Normativement, le document défend la primauté réelle, mais pas inconditionnelle, de la liberté d'expression. [less ▲]

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See detailBulk organic geochemistry of sediments from Puyehue Lake and its watershed (Chile, 40°S): Implications for paleoenvironmental reconstructions
Bertrand, Sébastien; Sterken, Mieke; Vargas-Ramirez, Lourdes et al

in Palaeogeography, Palaeoclimatology, Palaeoecology (2010), 294

Since the last deglaciation, the mid-latitudes of the southern Hemisphere have undergone considerable environmental changes. In order to better understand the response of continental ecosystems to ... [more ▼]

Since the last deglaciation, the mid-latitudes of the southern Hemisphere have undergone considerable environmental changes. In order to better understand the response of continental ecosystems to paleoclimate changes in southern South America, we investigated the sedimentary record of Puyehue Lake, located in the western piedmont of the Andes in South-Central Chile (40°S). We analyzed the elemental (C, N) and stable isotopic ([delta]13C, [delta]15N) composition of the sedimentary organic matter preserved in the lake and its watershed to estimate the relative changes in the sources of sedimentary organic carbon through space and time. The geochemical signature of the aquatic and terrestrial end-members was determined on samples of lake particulate organic matter (N/C: 0.130) and Holocene paleosols (N/C: 0.069), respectively. A simple mixing equation based on the N/C ratio of these end-members was then used to estimate the fraction of terrestrial carbon ([latin small letter f with hook]T) preserved in the lake sediments. Our approach was validated using surface sediment samples, which show a strong relation between [latin small letter f with hook]T and distance to the main rivers and to the shore. We further applied this equation to an 11.22 m long sediment core to reconstruct paleoenvironmental changes in Puyehue Lake and its watershed during the last 17.9 kyr. Our data provide evidence for a first warming pulse at 17.3 cal kyr BP, which triggered a rapid increase in lake diatom productivity, lagging the start of a similar increase in sea surface temperature (SST) off Chile by 1500 years. This delay is best explained by the presence of a large glacier in the lake watershed, which delayed the response time of the terrestrial proxies and limited the concomitant expansion of the vegetation in the lake watershed (low [latin small letter f with hook]T). A second warming pulse at 12.8 cal kyr BP is inferred from an increase in lake productivity and a major expansion of the vegetation in the lake watershed, demonstrating that the Puyehue glacier had considerably retreated from the watershed. This second warming pulse is synchronous with a 2 °C increase in SST off the coast of Chile, and its timing corresponds to the beginning of the Younger Dryas Chronozone. These results contribute to the mounting evidence that the climate in the mid-latitudes of the southern Hemisphere was warming during the Younger Dryas Chronozone, in agreement with the bipolar see-saw hypothesis. [less ▲]

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See detailMultiphysic topology optimization of electromechanical micro-actuators considering pull-in effect
Lemaire, Etienne ULg; Van Miegroet, Laurent ULg; Schoonjans, Thibaut et al

in Proceedings of the IVth European Conference on Computational Mechanics (ECCM 2010) (2010)

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See detailcarnet de pédiatrie en Afrique: l'examen neurologique du nouveau-né
Battisti, Oreste ULg

Learning material (2010)

le cours discute des modalité de l'examen neurologique du nouveau-né en revoyant le concept de Dubowitz, le concept de Prechtl, le concept de Brazelton.

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See detailIMA Commission on New Minerals, Nomenclature and Classification (CNMNC), Newsletter 5
Williams, Pete; Hatert, Frédéric ULg; Pasero, Marco et al

in Mineralogical Magazine (2010), 74(5), 899-902

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See detailBubble: a Javascript engine level countermeasure against heap-spraying attacks
Gadaleta, Francesco ULg; Younan, Yves; Joosen, Wouter et al

in Bubble: a Javascript engine level countermeasure against heap-spraying attacks (2010)

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See detailOsteoporosis and venous thromboembolism: a retrospective cohort study in the UK General Practice Research Database.
Breart, G.; Cooper, C.; Meyer, O. et al

in Osteoporosis International (2010), 21

In a retrospective cohort study using the General Practice Research Database (GPRD), there was a greater association of venous thromboembolism (VTE) in osteoporotic than in non-osteoporotic female ... [more ▼]

In a retrospective cohort study using the General Practice Research Database (GPRD), there was a greater association of venous thromboembolism (VTE) in osteoporotic than in non-osteoporotic female patients. No greater association was shown in treated patients with strontium ranelate or alendronate compared to untreated osteoporotic female patients. INTRODUCTION: We explored the risk of VTE in usual practice in osteoporotic and non-osteoporotic women with and without anti-osteoporotic treatment. METHODS: A retrospective study was conducted using the GPRD in the UK. The cohorts consisted of untreated osteoporotic women (N = 11,546), osteoporotic women treated with alendronate (N = 20,084), or strontium ranelate (N = 2,408), and a sample of non-osteoporotic women (N = 115,009). Cohorts were compared using a Cox proportional hazards regression model. RESULTS: There was a significantly increased relative risk for VTE in untreated osteoporotic women versus non-osteoporotic women (annual incidence 5.6 and 3.2 per 1,000 patient-years, respectively; relative risk 1.75 [95% confidence interval (CI), 1.09-1.84]). Results were confirmed using adjusted models. The annual incidences of VTE in osteoporotic patients treated with strontium ranelate and alendronate were 7.0 and 7.2 per 1,000 patient-years, respectively, with no significant difference between untreated and treated patients whatever the treatment. Adjusted hazard ratios for treated versus untreated osteoporotic women were 1.09 (95% CI, 0.60-2.01) for strontium ranelate and 0.92 (95% CI, 0.63-1.33) for alendronate. CONCLUSION: This study shows a greater association of VTE in osteoporotic compared to non-osteoporotic patients, but does not show any greater association in treated patients with strontium ranelate or alendronate compared to untreated osteoporotic patients. [less ▲]

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See detailImplantation of esterified hyaluronic acid in microdissected Reinke's space after vocal fold microsurgery
FINCK, Camille ULg; Harmegnies, Bernard; Remacle, Angélique ULg et al

in Journal of Voice (2010), 24(5), 626-635

laryngeal and vocal results obtained after microflap excision of benign vocal fold lesions and immediate implantation of esterified hyaluronic acid(EHA) in the surgical wound are described in this study ... [more ▼]

laryngeal and vocal results obtained after microflap excision of benign vocal fold lesions and immediate implantation of esterified hyaluronic acid(EHA) in the surgical wound are described in this study. Prospective and comparative study on 83 patients ( 33 implanted with EHA and 50 not implanted). Longest follow up is 4 years. The objectives are to confirm the innocuity of the technique, to demonstrate the laryngeal and vocal evolution at short and long term, and to evaluate the eventual positive impact of EHA implantation on the pliability of the superficial layer of the lamina propria (SLLP) and on voice. The use of EHA implant in microdissected SLLP is safe and leads to good laryngeal and vocal outcomes in the treated patients. [less ▲]

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See detailA non-destructive testing application solved with A-X geometric eddy-current formulation
Codecasa, Lorenzo; Dular, Patrick ULg; Specogna, Ruben et al

in COMPEL (2010), 29(6), 1606-1615

Purpose – The purpose of this paper is to introduce a perturbation method for the A-X geometric formulation to solve eddy-current problems and apply it to the feasibility design of a non-destructive ... [more ▼]

Purpose – The purpose of this paper is to introduce a perturbation method for the A-X geometric formulation to solve eddy-current problems and apply it to the feasibility design of a non-destructive evaluation device suitable to detect long-longitudinal volumetric flaws in hot steel bars. Design/methodology/approach – The effect of the flaw is accurately and efficiently computed by solving an eddy-current problem over an hexahedral grid which gives directly the perturbation due to the flaw with respect to the unperturbed configuration. Findings – The perturbation method, reducing the cancelation error, produces accurate results also for small variations between the solutions obtained in the perturbed and unperturbed configurations. This is especially required when the tool is used as a forward solver for an inverse problem. The method yields also to a considerable speedup: the mesh used in the perturbed problem can in fact be reduced at a small fraction of the initial mesh, considering only a limited region surrounding the flaw in which the mesh can be refined. Moreover, the full three-dimensional unperturbed problem does not need to be solved, since the source term for computing the perturbation is evaluated by solving a two-dimensional flawless configuration having revolution symmetry. Originality/value – A perturbation method for the A-X geometric formulation to solve eddy-current problems has been introduced. The advantages of the perturbation method for non-destructive testing applications have been described. [less ▲]

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See detailPortfolio professionnel : Projet personnel :Enseignement de la nutrition en médecine vétérinaire : un projet d'exercices en ligne visant à susciter l'apprentissage pré-clinique et l'autonomie
Diez, Marianne ULg

Learning material (2010)

Portfolio présentant l'enseignement et une innovation pédagogique sous forme de 2 articles

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See detail"Du Rwanda au Coeur des Ténèbres. Jean-Philippe Stassen illustre Conrad"
Demoulin, Laurent ULg

E-print/Working paper (2010)

Dans sa façon d'illustrer Coeur des ténèbres de Conrad, le dessinateur de bande dessinée Jean-Philippe Stassen interprète de façon très personnelle l'oeuvre du romancier. La bande dessinée se déclare ici ... [more ▼]

Dans sa façon d'illustrer Coeur des ténèbres de Conrad, le dessinateur de bande dessinée Jean-Philippe Stassen interprète de façon très personnelle l'oeuvre du romancier. La bande dessinée se déclare ici aussi légitime que la littérature. [less ▲]

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