References of "2012"
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See detailCarte hydrogéologique de Wallonie, Louveigné-Spa, 49/3-4
Ruthy, Ingrid ULg; Dassargues, Alain ULg

Cartographic material (2012)

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See detailRégimes matrimoniaux en droit international privé - panorama de droit comparé
Wautelet, Patrick ULg

Conference (2012, March)

This presentation gives an overview of the main trends in relation to cross-border matrimonial assets in Europe. Focusing on the question of which law applies to matrimonial assets, it seeks to determine ... [more ▼]

This presentation gives an overview of the main trends in relation to cross-border matrimonial assets in Europe. Focusing on the question of which law applies to matrimonial assets, it seeks to determine what are the main points of consensus and divergence in the regulation of cross-border matrimonial property issues. [less ▲]

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See detailAMP-activated protein kinase controls liposaccharide-induced hyperpermeability
Castanares-Zapatero, Diego; Overtus, M; Communi, Didier et al

in Critical Care (2012, March), 16(suppl 1), 17

Organ dysfunction determines the severity of sepsis and is correlated to mortality. Endothelial increased permeability contributes to the development of organ failure. AMP-activated protein kinase (AMPK ... [more ▼]

Organ dysfunction determines the severity of sepsis and is correlated to mortality. Endothelial increased permeability contributes to the development of organ failure. AMP-activated protein kinase (AMPK) has been shown to modulate cytoskeleton and could mediate endothelial permeability. Our hypothesis is that AMPK controls sepsis-induced hyperpermeability in the heart and is involved in septic cardiomyopathy. Sepsis was induced by intraperitoneal injection of liposaccharide, 10 mg/kg (LPS). Alpha-1 AMPK knockout mice (α1KO) were compared with wild-type. Vascular permeability was characterized by Evans blue extravasation. Inflammatory cytokine mRNA expression was determined by qPCR analysis. Left ventricular mass was assessed by echocardiography. In addition, to emphasize the beneficial role of AMPK on heart vascular permeability, AMPK activator (acadesine) was administered to C57Bl6 mice before LPS injection. The ANOVA test with Bonferroni's post hoc test and the log-rank test were used. P < 0.05 was considered as significant. Increased cardiac vascular permeability was observed in the LPS group in comparison to untreated animals (2.5% vs. 16%; P < 0.05). The α1KO mice exhibited an increase vascular permeability after LPS injection in comparison to wild-type mice (41.5% vs. 16%; P < 0.05). α1KO animals had a significant mortality increase after LPS injection (70% vs. 10%; P < 0.05). LPS markedly induced the production of proinflammatory cytokines (TNFα, IL-1β, IL-6) that were significantly higher in the α1KO animals. More importantly, LPS treatment leads to an increased left ventricular mass in the α1KO mice within 24 hours, suggesting the onset of edema. Finally LPS-induced vascular hyperpermeability was greatly reduced after AMPK activation by acadesine (13.2% vs. 40%; P < 0.05). AMPK importantly regulates cardiac vascular permeability and could control the sepsis-induced cardiomyopathy. AMPK could represent a new pharmacological target of sepsis. [less ▲]

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See detailTi alloys processed by selective laser melting and by laser cladding: microstructures and mechanical properties
Mertens, Anne ULg; Contrepois, Quentin ULg; Dormal, Thierry ULg et al

in proceedings of 12th EUROPEAN CONFERENCE ON SPACECRAFT STRUCTURES, MATERIALS & ENVIRONMENTAL TESTING, Noordwijk 20-23 mars 2012 (2012, March)

Selective laser melting (SLM) and laser cladding were developed in the late 1990s as economic layer-by-layer near-net-shape processes allowing for the production – and also, in the case of laser cladding ... [more ▼]

Selective laser melting (SLM) and laser cladding were developed in the late 1990s as economic layer-by-layer near-net-shape processes allowing for the production – and also, in the case of laser cladding, the restoration - of complex parts. Both techniques involve the melting of a metallic powder with a laser. In the case of SLM, the metallic powder is deposited layer by layer and then molten locally according to the desired shape, whereas in laser cladding the metallic powder is projected onto a substrate through a tube coaxial with the laser. In both processes, the metallic melt pools then cool down and solidify very rapidly, thus producing strongly out of equilibrium microstructures that might exhibit high internal stresses. In the present work, efforts have been made to enhance the flexibility of the laser cladding process: a second laser with a maximum power of 300W was installed beside the original laser (with a higher maximum power of 2000W), thus allowing for the processing of parts with thinner walls and/or coatings. Moreover, flexibility was also improved in relation with the geometry of the parts by use of a 5-axes displacement control. Samples of alloy Ti-6Al-4V, that is widely used in the aeronautic industry due to its high specific strength, have been processed both by SLM and by laser cladding. The resulting microstructures have been characterised in details by optical microscopy, SEM and EBSD so as to allow for a better understanding of the solidification process and of the subsequent phase transformations taking place upon cooling for both techniques. The influence of processing parameters such as the orientation of the deposition of the successive powder layers on the mechanical properties was also investigated by means of uniaxial tensile testing performed on samples with different deposition orientations in regard to the direction of mechanical solicitation. Moreover, some of the samples for mechanical testing had undergone an annealing treatment at 640°C for 4 hours to relieve internal stresses, in order to assess more precisely the effect of those stresses on the tensile properties. [less ▲]

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See detailNon invasive neurostimulation for headaches.
MAGIS, Delphine ULg

Conference (2012, March)

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See detailA candidate cell of origin for cervical cancer
Herfs, Michael ULg

Conference (2012, March)

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See detailLes techniques d'instrumentation en prothèse fixe
KOENIG, Vinciane ULg

Scientific conference (2012, March)

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See detailThe problem of assessing consciousness in brain-damaged patients with aphasia
Schnakers, C.; Bessou, H.; Giacino, J.T. et al

Conference (2012, March)

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See detail3D thermo-elastic distortion measurements on OSIRIS SiC hardware by holographic interferometry and correlation with finite element models
Thizy, Cédric ULg; Eliot, Fabienne; Ballhause, Dirk et al

Conference (2012, March)

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See detailÉchecs ou le dynamisme romanesque des puissances immobiles
Demoulin, Laurent ULg

in Demoulin, Laurent (Ed.) Echecs (2012)

Analyse du roman Echecs de Jean-Philippe Toussaint: ce roman de jeunesse est situé dans l’ensemble de l’œuvre du romancier; la genèse de ses différentes versions est retracée; les influences en sont ... [more ▼]

Analyse du roman Echecs de Jean-Philippe Toussaint: ce roman de jeunesse est situé dans l’ensemble de l’œuvre du romancier; la genèse de ses différentes versions est retracée; les influences en sont circonscrites et une réflexion sur sa qualité est menée en vertu d'une comparaison avec les romans ultérieurs. [less ▲]

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See detailNonlinear Modal Analysis of the SmallSat Spacecraft
Renson, Ludovic ULg; Noël, Jean-Philippe ULg; Kerschen, Gaëtan ULg et al

in Proceedings of the European Conference on Spacecraft Structures, Materials & Environmental Testing (2012, March)

Non-linear elements are present in practically all spacecraft structures. When such non-linear effects are important linear modal analysis can no longer be applied. The development of a non-linear ... [more ▼]

Non-linear elements are present in practically all spacecraft structures. When such non-linear effects are important linear modal analysis can no longer be applied. The development of a non-linear analogue of linear modal analysis is therefore an important endeavor. The objective of this paper is to show that nonlinear normal modes (NNMs) represent a useful and practical tool in this context. A full-scale spacecraft structure is considered and is modeled using the finite element method. Its NNMs are computed using advanced numerical algorithms, and the resulting dynamics is then carefully analyzed. Nonlinear phenomena with no linear counterpart including nonlinear modal interactions are also highlighted. [less ▲]

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See detailEfficacy of once-yearly zoledronic acid 5 mg in men with osteoporosis with different levels of serum total testosterone
Boonen, S; Reginster, Jean-Yves ULg; Kaufman, JM et al

in Osteoporosis International (2012, March), 23(S2), 79-80

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See detailPilot Trial of STAR in Medical ICU
Fisk, Liam M.; Le Compte, Aaron J.; Shaw, Geoffrey M. et al

Poster (2012, March)

Detailed reference viewed: 5 (2 ULg)
See detailComment s’en sortent-ils ?
Etienne, Anne-Marie ULg

Article for general public (2012)

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See detailA Novel Phase Portrait to Understand Neuronal Excitability
Drion, Guillaume ULg; Franci, Alessio ULg; Seutin, Vincent ULg et al

Conference (2012, March)

Detailed reference viewed: 17 (3 ULg)