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See detailIR spectroscopy of DNA structures
Gabelica, Valérie ULiege

Conference (2009, June 11)

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See detailL’ (ir) responsabilité du pouvoir judiciaire : fondements et mise à l’épreuve de l’immunité judiciaire en droits québécois et belge
Bouhon, Frédéric ULiege; Lacroix, Mariève

Scientific conference (2017, March 09)

L'intervention visait à présenter la synthèse des travaux menés par les auteurs dans le domaine de la responsabilité civile extracontractuelle pour la faute commise par le juge, en droits québécois et ... [more ▼]

L'intervention visait à présenter la synthèse des travaux menés par les auteurs dans le domaine de la responsabilité civile extracontractuelle pour la faute commise par le juge, en droits québécois et belge. Voy. les autres références pertinentes sur le site Orbi. [less ▲]

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See detailIr-LBP, an ixodes ricinus tick salivary LTB4-binding lipocalin, interferes with host neutrophil function.
Beaufays, Jérôme ULiege; Adam, Benoit; Menten-Dedoyart, Catherine ULiege et al

in PLoS ONE (2008), 3(12), 3987

BACKGROUND: During their blood meal, ticks secrete a wide variety of proteins that can interfere with their host's defense mechanisms. Among these proteins, lipocalins play a major role in the modulation ... [more ▼]

BACKGROUND: During their blood meal, ticks secrete a wide variety of proteins that can interfere with their host's defense mechanisms. Among these proteins, lipocalins play a major role in the modulation of the inflammatory response. METHODOLOGY/PRINCIPAL FINDINGS: We previously identified 14 new lipocalin genes in the tick Ixodes ricinus. One of them codes for a protein that specifically binds leukotriene B4 with a very high affinity (Kd: +/-1 nM), similar to that of the neutrophil transmembrane receptor BLT1. By in silico approaches, we modeled the 3D structure of the protein and the binding of LTB4 into the ligand pocket. This protein, called Ir-LBP, inhibits neutrophil chemotaxis in vitro and delays LTB4-induced apoptosis. Ir-LBP also inhibits the host inflammatory response in vivo by decreasing the number and activation of neutrophils located at the tick bite site. Thus, Ir-LBP participates in the tick's ability to interfere with proper neutrophil function in inflammation. CONCLUSIONS/SIGNIFICANCE: These elements suggest that Ir-LBP is a "scavenger" of LTB4, which, in combination with other factors, such as histamine-binding proteins or proteins inhibiting the classical or alternative complement pathways, permits the tick to properly manage its blood meal. Moreover, with regard to its properties, Ir-LBP could possibly be used as a therapeutic tool for illnesses associated with an increased LTB4 production. [less ▲]

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See detailIR-visible sum-frequency vibrational spectroscopy of Biphenyl-3 methylene thiol monolayer on gold and silver: effect of the visible wavelength on the SFG spectrum
Humbert, Christophe; Dreesen, Laurent ULiege; Mani, A. A. et al

in Surface Science (2002), 502-503

We measured IR-visible sum-frequency generation spectra of CH3-(C6H4)2-(CH2)3-S-H (Biphenyl-3) self-assembled monolayers on a silver and a gold substrate. For the latter substrate, we observed different ... [more ▼]

We measured IR-visible sum-frequency generation spectra of CH3-(C6H4)2-(CH2)3-S-H (Biphenyl-3) self-assembled monolayers on a silver and a gold substrate. For the latter substrate, we observed different interference patterns between the resonant signal of the CH vibration and the non-resonant contribution of the substrate as a function of the visible beam wavelength. The non-linear response of the gold substrate is enhanced around 480 nm corresponding to the s-d interband transition. Such effect is not observed for the silver substrate the interband transition of which is located out of the investigated visible spectral range of 450-700 nm. [less ▲]

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See detailIRC +10216: a peanut nebula!
Le Bertre, Thibault; Magain, Pierre ULiege; Remy, Marc

in The Messenger (1989), 55

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See detailIRF-3 dependent activation of inflammatory dendritic cells by extracellular host DNA mediates the adjuvant activity of alum on Th2 responses
Marichal, Thomas ULiege; Ohata, Keichii; Bedoret, Denis et al

in Proceedings of the 25th annual meeting of the European Macrophage and Dendritic Cell Society (2011)

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See detailIRF3 is essential for house dust mite-induced airway allergy in mice
Marichal, Thomas ULiege; Bedoret, Denis; Mesnil, Claire ULiege et al

in Proceedings GIGA-Day 2011 (2011, May)

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See detailIRF3 is required for induction of allergic airway inflammation by dendritic cells
Marichal, Thomas ULiege; Bedoret, Denis; Goriely, S et al

Poster (2009)

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See detailIRF3 is required for induction of allergic airway inflammation by dendritic cells
Marichal, Thomas ULiege; Bedoret, Denis; Goriely, M. et al

Conference (2009)

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See detailIRF3 is required for the induction of allergic airway inflammation by lung dendritic cells in a mouse model of house dust mite-induced atopic asthma
Marichal, Thomas ULiege; Bedoret, Denis; Goriely, M. et al

in Abstracts of the 17th Annual European Respiratory Society Congress, Vienna, Austria (2009)

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See detailIRF6 Screening of Syndromic and a priori Non-Syndromic Cleft Lip and Palate Patients: Identification of a New Type of Minor VWS Sign.
Desmyter, L.; Ghassibe, M.; Revencu, N. et al

in Molecular Syndromology (2010), 1(2), 67-74

Van der Woude syndrome (VWS), caused by dominant IRF6 mutation, is the most common cleft syndrome. In 15% of the patients, lip pits are absent and the phenotype mimics isolated clefts. Therefore, we ... [more ▼]

Van der Woude syndrome (VWS), caused by dominant IRF6 mutation, is the most common cleft syndrome. In 15% of the patients, lip pits are absent and the phenotype mimics isolated clefts. Therefore, we hypothesized that some of the families classified as having non-syndromic inherited cleft lip and palate could have an IRF6 mutation. We screened in total 170 patients with cleft lip with or without cleft palate (CL/P): 75 were syndromic and 95 were a priori part of multiplex non-syndromic families. A mutation was identified in 62.7 and 3.3% of the patients, respectively. In one of the 95 a priori non-syndromic families with an autosomal dominant inheritance (family B), new insights into the family history revealed the presence, at birth, of lower lip pits in two members and the diagnosis was revised as VWS. A novel lower lip sign was observed in one individual in this family. Interestingly, a similar lower lip sign was also observed in one individual from a 2nd family (family A). This consists of 2 nodules below the lower lip on the external side. In a 3rd multiplex family (family C), a de novo mutation was identified in an a priori non-syndromic CL/P patient. Re-examination after mutation screening revealed the presence of a tiny pit-looking lesion on the inner side of the lower lip leading to a revised diagnosis of VWS. On the basis of this data, we conclude that IRF6 should be screened when any doubt rises about the normality of the lower lip and also if a non-syndromic cleft lip patient (with or without cleft palate) has a family history suggestive of autosomal dominant inheritance. [less ▲]

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See detailIRGA GAS SAMPLING SYSTEM DIMENSIONING: LABORATORY AND FIELD EXPERIMENTS
De Ligne, Anne ULiege; Joly, Lilian; Cousin, Julien et al

Poster (2014, September 23)

The gas sampling system (GSS), which carries air from the sampling point to the IRGA, is an essential component of the eddy covariance system. It has to meet several constraints, among which minimizing ... [more ▼]

The gas sampling system (GSS), which carries air from the sampling point to the IRGA, is an essential component of the eddy covariance system. It has to meet several constraints, among which minimizing high frequency attenuation of concentration measurement and keeping pressure drop in the measurement cell in an acceptable range. Rain cup, filters, tubes and pumps are key elements of this system and need proper dimensioning. The elaboration of the ICOS protocol for IRGA required such dimensioning and optimization. Laboratory and field measurements were carried out with this aim. In the laboratory, a dynamic calibration bench was developed to investigate experimentally the pressure drop and the concentration fluctuation attenuation caused by different filters. In the field, three LI-7200 equipped with different GSS were installed and run at the Dorinne Terrestrial Observatory (ICOS-Belgium). Main experiment conclusions were that: • The shape and size of the rain cup has a critical impact on cut off frequencies • The filter porosity and size has a critical impact on pressure drop • Filter heating is necessary in order to avoid condensation and filter blocking These experiments led to the definition of the GSS functioning range that is finally proposed in the ICOS IRGA protocol. [less ▲]

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See detailIRM interventionnelle : vers une neuronavigation en temps reel
Martin, Didier ULiege

Conference (2008, October 11)

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See detailIRM interventionnelle : vers une neuronavigation en temps réel.
Martin, Didier ULiege; Nguyen Khac, Minh-Tuan ULiege; Scholtes, Félix ULiege et al

in Revue Médicale de Liège (2008), 63

La neuronavigation est un outil neurochirurgical qui peut être comparé au GPS. Elle sert à guider la procédure neurochirurgicale en visualisant les déplacements des instruments chirurgicaux sur les images ... [more ▼]

La neuronavigation est un outil neurochirurgical qui peut être comparé au GPS. Elle sert à guider la procédure neurochirurgicale en visualisant les déplacements des instruments chirurgicaux sur les images préopératoires. En augmentant la précision du geste, elle permet d’atteindre des lésions parfois très petites ou difficiles d’accès tout en réduisant la morbidité et en augmentant l’efficacité. Elle présente cependant un écueil majeur. L’image utilisée par le système de navigation est obtenue avant l’intervention et ne peut être corrigée durant celle-ci. En raison des modifications anatomiques inhérentes à l’opération (modification du volume du liquide céphalo-rachidien, résection de la tumeur,…), il apparaît progressivement une discordance entre la réalité chirurgicale et l’imagerie. Les informations pertinentes se périment ainsi peu à peu et la précision se perd. L’IRM interventionnelle est le moyen de réactualiser la neuronavigation par des images de haute définition. De plus, elle permet de réaliser des contrôles intra-opératoires de la qualité du geste chirurgical. [less ▲]

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See detailIron and FRP materials
Ly, Dong Phuong Lam ULiege; Demonceau, Jean-François ULiege; Jaspart, Jean-Pierre ULiege

Report (2008)

Numerical investigations are very helpful to prepare and to plan experimental investigations. The numerical investigations presented within the present section deals with the experimental tests conducted ... [more ▼]

Numerical investigations are very helpful to prepare and to plan experimental investigations. The numerical investigations presented within the present section deals with the experimental tests conducted on iron elements reinforced by FRP in tension, i.e.: - first, to determine the anchorage length requested for the FRP (zone A of the figure 1.1 1) to insure a good stress transfer from the iron member to FRP sheets through bonds without any debonding problem; - and secondly, to predict the effects of FRP sheets on iron elements in tension. [less ▲]

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See detailIron and silicon isotope behaviour accompanying weathering in Icelandic soils, and the implications for iron export from peatlands
Opfergelt, Sophie; Williams, H; Cornelis, Jean-Thomas ULiege et al

in Geochimica et Cosmochimica Acta (2017)

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