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See detailVentricular aneurysm versus pseudoaneurysm: role of multi-imaging modality.
DAVIN, Laurent ULg; BRUYERE, Pierre-Julien ULg; LANCELLOTTI, Patrizio ULg

in Archives of Cardiovascular Diseases (2008), 101(2), 135

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See detailMeasuring and comparing Equity in Education systems in Europe
Demeuse, Marc; Baye, Ariane ULg

in Education & Formations (2008), 78

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See detailNumerical analysis of coupled mechanical and hydraulic effects induced by a blood pressure meter
Paulus, Raphaël ULg; Dewals, Benjamin ULg; Erpicum, Sébastien ULg et al

in Proceedings of the 4th International Conference on Advanced Computational Methods in Engineering (2008)

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See detailLe CWATUP
Delnoy, Michel ULg

Book published by Edi.pro - 6ème édition (2008)

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See detailHolocene Records of Aerosols in Continental Environments (HoRACE)
Le Roux; De Vleeschouwer, F.; Cherbukin et al

Conference (2008)

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See detailNote en contrepoint sur nihilominus
Longrée, Dominique ULg

in Mellet, Sylvie (Ed.) Concession et dialogisme, Les connecteurs concessifs à l’épreuve du corpus (2008)

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See detailDevelopment of a "pre-anthropogenic" peat standard for geochemical, paleo-environmental and archaeological investigations
Le Roux; De Vleeschouwer, F.; Cheburkin et al

Poster (2008)

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See detailVernalization-induced repression of FLOWERING LOCUS C stimulates flowering in Sinapis alba and enhances plant responsiveness to photoperiod.
D'Aloia, Maria ULg; Tocquin, Pierre ULg; Périlleux, Claire ULg

in New Phytologist (2008), 178(4), 755-65

Of the Brassicaceae, Sinapis alba has been intensively studied as a physiological model of induction of flowering by a single long day (LD), while molecular-genetic analyses of Arabidopsis thaliana have ... [more ▼]

Of the Brassicaceae, Sinapis alba has been intensively studied as a physiological model of induction of flowering by a single long day (LD), while molecular-genetic analyses of Arabidopsis thaliana have disclosed complex interactions between pathways controlling flowering in response to different environmental cues, such as photoperiod and vernalization. The vernalization process in S. alba was therefore analysed here. The coding sequence of S. alba SaFLC, which is orthologous to the A. thaliana floral repressor FLOWERING LOCUS C, was isolated and the transcript levels quantified in different conditions. Two-week-old seedlings grown in noninductive short days (SDs) were vernalized for 1-6 wk. Down-regulation of SaFLC was already marked after 1 wk of cold but 2 wk was needed for a significant acceleration of flowering. Flower buds were initiated during vernalization. When vernalization was stopped after 1 wk, repression of SaFLC was not stable but a significant increase in plant responsiveness to 16-h LDs was observed when LDs followed immediately after the cold treatment. These results suggest that vernalization does not only work when plants experience long exposure to cold during the winter: shorter cold periods might stimulate flowering of LD plants if they occur when photoperiod is increasing, such as in spring. [less ▲]

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See detailLes papyrus iatromagiques grecs de Kellis
de Haro Sanchez, Magali ULg

in Lucida Intervalla (2008), 37

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See detailLa théorie du complot en politique
Jamin, Jérôme ULg

Scientific conference (2008)

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See detailDiscrimination of parasitized aphids by a hoverfly predator: effects on larval performance, foraging, and oviposition behavior
Almohamad, Raki; Verheggen, François ULg; Francis, Frédéric ULg et al

in Entomologia Experimentalis et Applicata (2008), 128(1), 73-80

The choice of oviposition site by female aphidophagous predators is crucial for offspring performance, especially in hoverflies whose newly hatched larvae are unable to move over large distance. Predator ... [more ▼]

The choice of oviposition site by female aphidophagous predators is crucial for offspring performance, especially in hoverflies whose newly hatched larvae are unable to move over large distance. Predator and parasitoid interactions within the aphidophagous guild are likely to be very important in influencing the choices made by predatory hoverfly females. In the present study, the foraging and oviposition behavior of the aphidophagous hoverfly Episyrphus balteatus DeGeer (Diptera: Syrphidae) was investigated with respect to the parasitized state of its aphid prey, Acyrthosiphon pisum Harris (Homoptera: Aphididae), that were parasitized by Aphidius ervi Haliday (Hymenoptera: Aphidiidae). We also recorded the number of eggs laid by hoverfly females when subjected to parasitized aphids. Furthermore, we studied the influence of being fed with parasitized aphids on hoverfly larval performance. Hoverfly females did not exhibit any preference for plants infested with unparasitized or aphids parasitized for 7 days. On the other hand, plants infested with mummies or exuvia were less attractive for E. balteatus. These results were correlated with (i) the number of eggs laid by E. balteatus females and (ii) larval performance. Thus, our results demonstrate that E. balteatus behavior is affected by parasitoid presence through their exploitation of aphid colonies. Indeed, hoverfly predators select their prey according to the developmental state of the parasitoid larvae. [less ▲]

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See detailVers un renouveau des études régionales et fédérales ? Un panorama d’approches politologiques contemporaines
Dandoy, Régis; Van Wynsberghe, Caroline; Perrin, Nathalie ULg

in Fédéralisme - Régionalisme (2008), 8(2),

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See detailCirculations atmosphériques et anomalies de fonte à la surface de la calotte glaciaire du Groenland
Fettweis, Xavier ULg; Mabille, Georges ULg; Erpicum, Michel ULg

in Bulletin de la Société Géographique de Liège (2008), 51

With the aim to study the impact of the 500hPa general circulation on the Greenland ice sheet surface melt simulated by the regional climate model MAR, we developed a new Circulation Type Classification ... [more ▼]

With the aim to study the impact of the 500hPa general circulation on the Greenland ice sheet surface melt simulated by the regional climate model MAR, we developed a new Circulation Type Classification (CTC) based on the 500hPa geopotential height from the ECMWF (re)analysis over the period 1958-2007. This CTC shows that the dominant mode of the regional atmospheric variability around the Greenland is linked to the North Atlantic Oscillation (NAO) and that the surface anomalies are highly correlated to the general circulation. It explains also why a record surface melt was observed during the summer 2007. The 27th August of 2003, where the temperature was 10°C higher than the normal, is the consequence of an almost unique 500 hPa circulation in the 50 last years. [less ▲]

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See detailBluetongue Epidemiology in the European Union
Saegerman, Claude ULg; Berkvens, D.; Mellor, P. S.

in Emerging Infectious Diseases (2008), 14(4), 539-544

Bluetongue (BT) is a reportable disease of considerable socioeconomic concern and of major importance in the international trade of animals and animal products. Before 1998, BT was considered an exotic ... [more ▼]

Bluetongue (BT) is a reportable disease of considerable socioeconomic concern and of major importance in the international trade of animals and animal products. Before 1998, BT was considered an exotic disease in Europe. From 1998 through 2005, at least 6 BT virus strains belonging to 5 serotypes (BTV-1, BTV-2, BTV-4, BTV-9, and BTV-16) were continuously present in the Mediterranean Basin. Since August 2006, BTV-8 has caused a severe epizootic of BT in northern Europe. The widespread recrudescence and extension of BTV-8 infections in northern Europe during 2007 suggest that requirements for BTV establishment may now be fulfilled in this area. In addition, the radial extension of BTV-8 across Europe increases the risk for an encounter between this serotype and others, particularly those that occur in the Mediterranean Basin, where vector activity continues for more of the year. This condition increases the risk for reassortment of individual BTV gene segments. [less ▲]

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See detailLa peinture du XVe et du début du XVIe siècle dans les collections publiques de Liège
Allart, Dominique ULg

Book published by Centre "Primitifs flamands" (2008)

Ce sixième volume de la collection « Répertoires » éditée par le Centre "Primitifs flamands" rassemble des dossiers d’expertise sur quarante-quatre tableaux liégeois ou flamands du XVe et du début du XVIe ... [more ▼]

Ce sixième volume de la collection « Répertoires » éditée par le Centre "Primitifs flamands" rassemble des dossiers d’expertise sur quarante-quatre tableaux liégeois ou flamands du XVe et du début du XVIe siècle, conservés dans les collections publiques de Liège, au Grand Curtius, au Trésor de la Cathédrale, à l’église Sainte-Croix et à l’Université (collection Wittert). Parmi eux, on retrouvera des joyaux comme la "Vierge à l’Enfant avec sainte Marie-Madeleine et une donatrice" du Maître à la Vue de Sainte-Gudule, la "Vierge à l’Enfant" peinte par Pieter Coeck vers 1535. Parmi les pièces retenues figurent aussi des témoignages de l’histoire locale, comme la fameuse "Vierge au papillon" (Trésor de la Cathédrale de Liège), miraculeusement rescapée du sac de la ville par les troupes de Charles le Téméraire en 1468, et le "Diptyque Palude" (Grand Curtius), réalisé à la fin du XVe siècle pour Henri ex Palude, chantre de la Cathédrale Saint-Lambert. Une douzaine d’œuvres léguées à l’Université de Liège par le baron Adrien Wittert, en 1903, font aussi l’objet d’une étude détaillée. Il faut malheureusement déplorer l’état de conservation médiocre de certains des tableaux étudiés. L’un des objectifs de l’auteur est de sensibiliser les responsables de ce patrimoine à la nécessité d’en assurer plus efficacement la sauvegarde, et d’en confier les soins à des mains expertes. Abondamment illustré, ce luxueux ouvrage offre aux spécialistes et aux amateurs d’art un commentaire explicatif approfondi, assorti de comparaisons pour chacune des œuvres recensées, et une documentation scientifique et technique pour nombre d’entre elles. [less ▲]

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