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See detailOptimisation of extraction of phenolics and antioxidants from black currant leaves and buds and of stability during storage
Tabart, Jessica ULg; Kevers, Claire ULg; Sipel, Arnaud ULg et al

in Food Chemistry (2007), 105(3), 1268-1275

Health benefits of a diet rich in fruits and vegetables are attributed in part to their contents of phenolics and other antioxidant compounds. In this research, the extraction of phenolics and antioxidant ... [more ▼]

Health benefits of a diet rich in fruits and vegetables are attributed in part to their contents of phenolics and other antioxidant compounds. In this research, the extraction of phenolics and antioxidant compounds from black currant was optimised for different plant organs. The extraction solvent affected yield: aqueous acetone was better than methanol and acetate or glycine buffer. In aqueous buffer, maximum yields of total phenolics and antioxidant activities were obtained at pH 3. Extraction from lyophilised materials yielded extracts with higher phenolic contents and antioxidant activities. Stability of extracts made with acetate or glycine buffer was limited while the use of a mixture of acetone/acetic acid/water for extraction allowed a high phenolic content and antioxidant capacity in dry extract to be maintained for several months. This type of extract could be incorporated in functional food, beverage or dietary supplement. (c) 2007 Elsevier Ltd. All rights reserved. [less ▲]

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See detailMechanisms of leukemogenesis induced by bovine leukemia virus: prospects for novel anti-retroviral therapies in human.
Gillet, Nicolas ULg; Florins, Arnaud-Francois ULg; Boxus, Mathieu ULg et al

in Retrovirology (2007), 4(1), 18

In 1871, the observation of yellowish nodules in the enlarged spleen of a cow was considered to be the first reported case of bovine leukemia. The etiological agent of this lymphoproliferative disease ... [more ▼]

In 1871, the observation of yellowish nodules in the enlarged spleen of a cow was considered to be the first reported case of bovine leukemia. The etiological agent of this lymphoproliferative disease, bovine leukemia virus (BLV), belongs to the deltaretrovirus genus which also includes the related human T-lymphotropic virus type 1 (HTLV-1). This review summarizes current knowledge of this viral system, which is important as a model for leukemogenesis. Recently, the BLV model has also cast light onto novel prospects for therapies of HTLV induced diseases, for which no satisfactory treatment exists so far. [less ▲]

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See detailRole of beta 2-receptors in the anti-inflammatory effects of formoterol in rats with cadmium-induced acute pulmonary inflammation
Zhang, W.; Zhang, F.; Fievez, Laurence ULg et al

in Proceedings: Autumn Meeting of the Belgian Society of Fundamental and Clinical Physiology and Pharmacology (2007)

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See detailDiagnostic différentiel des souffles cardiaques en période néonatale chez le poulain
Amory, Hélène ULg

in Nouveau Praticien Vétérinaire Equine (2007)

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See detailIgG fc receptors provide an alternative infection route for murine gamma-herpesvirus-68.
Rosa, Gustavo T; Gillet, Laurent ULg; Smith, Christopher M et al

in PLoS ONE (2007), 2(6), 560

BACKGROUND: Herpesviruses can be neutralized in vitro but remain infectious in immune hosts. One difference between these settings is the availability of immunoglobulin Fc receptors. The question ... [more ▼]

BACKGROUND: Herpesviruses can be neutralized in vitro but remain infectious in immune hosts. One difference between these settings is the availability of immunoglobulin Fc receptors. The question therefore arises whether a herpesvirus exposed to apparently neutralizing antibody can still infect Fc receptor(+) cells. PRINCIPAL FINDINGS: Immune sera blocked murine gamma-herpesvirus-68 (MHV-68) infection of fibroblasts, but failed to block and even enhanced its infection of macrophages and dendritic cells. Viral glycoprotein-specific monoclonal antibodies also enhanced infection. MHV-68 appeared to be predominantly latent in macrophages regardless of whether Fc receptors were engaged, but the infection was not abortive and new virus production soon overwhelmed infected cultures. Lytically infected macrophages down-regulated MHC class I-restricted antigen presentation, endocytosis and their response to LPS. CONCLUSIONS: IgG Fc receptors limit the neutralization of gamma-herpesviruses such as MHV-68. [less ▲]

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See detailComplications in living liver donor according to Clavien's classification: An European experience
De Roover, Arnaud ULg; Detry, Olivier ULg; Meurisse, Nicolas ULg et al

in Journal of Hepatology (2007), 46(Suppl. 1), 66

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See detailValidation of a new finite element for incremental forming simulation using a dynamic explicit approach
Henrard, Christophe ULg; Bouffioux, Chantal ULg; Duchene, Laurent ULg et al

in Key Engineering Materials [=KEM] (2007), 344

A new method for modeling the contact between the tool and the metal sheet for the incremental forming process was developed based on a dynamic explicit time integration scheme. The main advantage of this ... [more ▼]

A new method for modeling the contact between the tool and the metal sheet for the incremental forming process was developed based on a dynamic explicit time integration scheme. The main advantage of this method is that it uses the actual contact location instead of fixed positions, e.g. integration or nodal points. The purpose of this article is to compare the efficiency of the new method, as far as accuracy and computation time are concerned, with finite element simulations using a classic static implicit approach. In addition, a sensitivity analysis of the mesh density will show that bigger elements can be used with the new method compared to those used in classic simulations. [less ▲]

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See detailEffect Of Extraction Conditions On The Yield, Purity And Surface Properties Of Sugar Beet Pulp Pectin Extracts
Yapo, Marcel Beda; Robert, Christelle; Etienne, Isabelle et al

in Food Chemistry (2007), 100(4), 1356-1364

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See detailUse of SNP for marker assisted selection in French dairy cattle
Guillaume, F.; Fritz, S.; Boichard, D. et al

in Book of abstracts from the 58th Annual Meeting of the European Association for Animal Production (2007)

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See detailCompte rendu de Saminadayar-Perrin (Corinne), Les discours du journal. Rhétorique et médias au XIXe siècle (1836–1885)
Saint-Amand, Denis ULg

in COnTEXTES : Revue de Sociologie de la Littérature (2007)

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See detailDendritic cells genetically engineered to express IL-10 induce long-lasting antigen-specific tolerance in experimental asthma
Henry, E.; Desmet, C. J.; Garzé, V. et al

Poster (2007)

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See detailBiogeochemistry of the Tana estuary and delta (northern Kenya)
Bouillon, Steven; Dehairs, Frank; Schiettecatte, Laure-Sophie et al

in Limnology and Oceanography (2007), 52(1), 45-59

The estuarine mixing zone of the Tana River (northern Kenya) and an extensive deltaic area just south of the estuary were sampled in April 2004 with the aim of identifying the distribution, sources, and ... [more ▼]

The estuarine mixing zone of the Tana River (northern Kenya) and an extensive deltaic area just south of the estuary were sampled in April 2004 with the aim of identifying the distribution, sources, and processing of particulate and dissolved organic carbon (POC, DOC) and inorganic carbon (DIC). C4 inputs from the catchment contributed ,50% to the POC pool in the Tana River and estuary, and in the mangrove creek water column and intertidal sediments. The d13C values of DOC, however, were typically much more negative than that of POC, indicating a substantially higher contribution by C3 and/or mangrove-derived carbon in the DOC pool. The undersaturation of O2, high pCO2, and the nonconservative nature of DIC and d13CDIC suggest a strongly heterotrophic water column, particularly in the freshwater part of the Tana and in the tidal creeks in the delta, where high additional inputs of organic matter were observed. However, some of these sites showed d18ODO signatures lower than the atmospheric equilibrium (i.e., +24.2%) indicative of significant O2 production by photosynthesis. Therefore, the heterotrophic signature in the water column is likely the result of a strong interaction with the large intertidal areas, whereby respiratory activity in sediments and in the overlying water column during tidal inundation leave a marked signature on the water column. This is confirmed by the covariation between salinity-normalized total alkalinity and DIC, whose slope indicates an important role for anaerobic diagenetic processes. If our data are representative for other large river systems in the region, current estimates are likely to underestimate suspended matter and both inorganic and organic C fluxes to the Indian Ocean from tropical east Africa. [less ▲]

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See detailUn roi mécréant et un ascète nihiliste en Inde à l'époque du Buddha
Verpoorten, Jean-Marie ULg

in Acta Orientalia Belgica (2007), XX

Portraits de deux personnages non-conformistes apparaissant dans les écrits bouddhistes. -Dans le 23e sermon du Dīghanikāya, le prince Pāyāsi est l’interlocuteur d’un moine bouddhiste qui le convertira de ... [more ▼]

Portraits de deux personnages non-conformistes apparaissant dans les écrits bouddhistes. -Dans le 23e sermon du Dīghanikāya, le prince Pāyāsi est l’interlocuteur d’un moine bouddhiste qui le convertira de l’athéisme au bouddhisme. Pāyāsi, qui a imposé également l’athéisme à ses sujets, s’inquiète de l’arrivée sur ses terres de Kumara Kassapa, disciple du Buddha et entend le convaincre de l’inexistence d’un au-delà et de l’âme. N’a-t-il pas fait des expériences sur des cadavres pour démontrer qu’aucune âme ne s’en échappait. Kassapa lui répond que des expériences physiques ne sont jamais une bonne méthode pour affirmer ou nier l’âme ou l’au-delà. Pāyāsi se laisse convaincre et prononce la formule d’adhésion au bouddhisme. -Dans le jātaka 544, nous faisons la connaissance de l’ascète jaina Guņa, un adepte du naturisme. Nihiliste et libertaire, il conteste la rétribution des actes, la valeur du don, le culte ancêtres , trois dogmes du brahmanisme. Il trouve une oreille attentive et bienveillante chez le roi du Videha, Aṅgati et chez son ministre Alāta. Le roi décide de mener désormais une vie de plaisir, mais sa fille Pujā fait appel, pour le raisonner, à un saint moine, le bodhisattva Narāda, qui va ramener son souverain à la raison en lui décrivant les tourments infernaux. [less ▲]

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See detailAnti-predator defence mechanisms in sawfly larvae of Arge (Hymenoptera, Argidae)
Petre, Charles-Albert ULg; Detrain, Claire; Boevé, Jean-Luc

in Journal of Insect Physiology (2007), 53

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See detailA dataset for hadron elastic scattering
Cudell, Jean-René ULg; Lenguel, Sasha; Martynov, E.

Textual, factual or bibliographical database (2007)

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See detailPeut-on lutter contre l'échec scolaire ? (3e éd.)
Crahay, Marcel ULg

Book published by De Boeck (2007)

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