References of "2006"
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See detailComputer Assisted Spore Classification based on Ornament Spatial Distribution Analysis – An Application to Emsian Miospores from Saudi Arabia
Dislaire, Godefroid; Breuer, Pierre; Filatoff, John et al

Conference (2006)

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See detailOrphée aux enfers
Durand, Pascal ULg

in Thoveron, G. (Ed.) Jules Verne : savoir rêver, savoirs rêvés (2006)

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See detailCrop yield forecast with NOAA and spot-vegetation data in Morocco.
Balaghi, Riad; Tychon, Bernard ULg; Eerens, H. et al

Conference (2006)

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See detailApport de la granulométrie laser dans la caractérisation physique des fillers calcaires
Michel, Frédéric ULg; Courard, Luc ULg

in Arliguie, Ginette (Ed.) Compte-rendu des Journées Scientifiques du (RF)2B (2006)

On assiste actuellement en Belgique à une baisse importante de la production des matériaux habituellement employés comme additions dans les composites à matrice cimentaire (cendres volantes, laitier de ... [more ▼]

On assiste actuellement en Belgique à une baisse importante de la production des matériaux habituellement employés comme additions dans les composites à matrice cimentaire (cendres volantes, laitier de haut fourneau). Pour faire face à ce problème, un vaste programme de recherche a été mis sur pied dans le but d’évaluer le potentiel de valorisation de fillers calcaires, de production wallonne, dans ce secteur. Ce papier traite des techniques utilisées pour caractériser de manière physique les fillers calcaires. Une étude paramétrique a permis de définir les conditions optimales de mesure de leur granulométrie par diffraction laser. Les résultats ont été comparés à ceux obtenus par la technique plus classique de tamisage en voie humide. La surface spécifique des poudres a également été mesurée par adsorption d’azote (méthode BET), par perméabilité (Blaine) et calculée à partir des résultats de la diffraction, via le diamètre de Sauter. [less ▲]

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See detailLe sujet de l'histoire
Denis, Benoît ULg

in Durand, Pascal (Ed.) L'écrivain et son double. Hubert Nyssen (2006)

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See detailRegulation by androgens of EGF receptor family members in prostate cancer cells
Pignon, Jean-Christophe; Delacroix, Laurence ULg; Waltregny, David ULg et al

in Proceedings of the American Association for Cancer Research (2006)

After an initial positive response to anti-androgen treatment, prostate cancer (PCa) cells usually become hormone-refractory in spite of their persistent expression of the androgen receptor (AR ... [more ▼]

After an initial positive response to anti-androgen treatment, prostate cancer (PCa) cells usually become hormone-refractory in spite of their persistent expression of the androgen receptor (AR). Overexpression of tyrosine kinase receptors in androgen-deprived PCa cells, such as those of the EGF receptor (EGFR) family, may be responsible for AR activation and growth of androgen-deprived tumours. Our goal is to understand the control of the expression of the EGFR family members by androgens in PCa. Hormone response was compared in hormone-sensitive LNCaP and hormone-insensitive DU145 PCa cell lines. These cells do not express ErbB4. EGFR, erbB2 and erbB3 protein half-life is much longer in DU145 than in LNCaP cells grown in complete medium. Dihydrotestosterone (DHT) modulates EGFR and erbB2 transcript and protein levels only in LNCaP cells. ErbB3 is not an androgen-responsive gene. EGFR mRNA and protein levels are increased while erbB2 mRNA and protein levels are decreased after DHT treatment of cells cultured in steroid-deprived medium. ErbB2 mRNA and protein levels are increased in LNCaP cells following DHT withdrawal. In order to understand the mechanisms by which androgens control the expression of EGFR and ERBB2 genes, half lifes of the corresponding mRNAs and proteins were compared in cells grown in presence or absence of DHT. The effect of DHT on EGFR gene expression is complex. Indeed, DHT stabilizes the protein. Moreover, a superinduction of EGFR mRNA was observed in cells treated with cycloheximide (CHX) before addition of the hormone, suggesting an effect on transcript stability. In contrast, erbB2 mRNA and protein stability was not affected by DHT. CHX treatment for 2h before addition of DHT suppresses the androgen-induced down-regulation of erbB2 mRNA levels. In summary, androgen-mediated regulation of EGFR and ERBB2 genes expression is complex. DHT influences EGFR gene transcription, mRNA and protein stability. DHT does not affect erbB2 mRNA and protein stability but acts indirectly on transcription. Current experiments are undertaken to verify these observations by Chromatin-IP experiments on both genes promoters. [less ▲]

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See detailAvantages matrimoniaux et droits de succession
Dehalleux, Virginie ULg

in Revue Trimestrielle de Droit Familial [=RTDF] (2006), 3

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See detailA New Discontinuous Galerkin Formulation for Non-Linear Elasticity
Noels, Ludovic ULg; Chandran, Ram B; Radovitzky, Raul

Conference (2006)

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See detailDiagnosis of osteoporosis without prevalent fractures: are we missing our main target?
Richy, F.; Reginster, Jean-Yves ULg

in Osteoporosis Action (2006), 1

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See detailEvaluation de l’efficacité d’un module d’enseignement à distance centré sur l’analyse de tâche et l’émission de feed-back
Lenzen, Benoît; Gustin, Frédéric; Cloes, Marc ULg

in Carlier, Ghislain; Bouthier, Daniel; Bui-Xuân, G. (Eds.) Intervenir en éducation physique et en sport. Recherches actuelles (2006)

L’importance du feedback dans la relation pédagogique d’enseignement a été mise en évidence dans de nombreuses recherches de type « processus-produit » et les mécanismes relatifs à son émission ont par ... [more ▼]

L’importance du feedback dans la relation pédagogique d’enseignement a été mise en évidence dans de nombreuses recherches de type « processus-produit » et les mécanismes relatifs à son émission ont par ailleurs été bien définis. La question qui se pose est la suivante : Comment intervenir dans la formation initiale des enseignants en éducation physique et des entraîneurs afin de développer chez eux l’aptitude à corriger les performances motrices des apprenants ? [less ▲]

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See detailComparative study of durability test methods for pellets and briquettes
Temmerman, Michaël ULg; Rabier, Fabienne; Daugbjerg Jensen, Peter et al

in Biomass & Bioenergy (2006)

Different methods for the determination of the mechanical durability (DU) of pellets and briquettes were compared by international round robin tests including different laboratories. The DUs of five ... [more ▼]

Different methods for the determination of the mechanical durability (DU) of pellets and briquettes were compared by international round robin tests including different laboratories. The DUs of five briquette and 26 pellet types were determined. For briquettes, different rotation numbers of a prototype tumbler and a calculated DU index are compared. For pellets testing, the study compares two standard methods, a tumbling device according to ASAE S 269.4, the Lignotester according to O¨ NORM M 7135 and a second tumbling method with a prototype tumbler. For the tested methods, the repeatability, the reproducibility and the required minimum number of replications to achieve given accuracy levels were calculated. Additionally, this study evaluates the relation between DU and particle density. The results show for both pellets and briquettes, that the measured DU values and their variability are influenced by the applied method. Moreover, the variability of the results depend on the biofuel itself. For briquettes of DU above 90%, five replications lead to an accuracy of 2%, while 39 replications are needed to achieve an accuracy of 10%, when briquettes of DU below 90% are tested. For pellets, the tumbling device described by the ASAE standard allows to reach acceptable accuracy levels (1%) with a limited number of replications. Finally, for the tested pellets and briquettes no relation between DU and particle density was found. [less ▲]

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See detailThe Treatment of Severe Postmenopausal Osteoporosis : A Review of Current and Emerging Therapeutic Options
Reginster, Jean-Yves ULg; Sarlet, Nathalie ULg

in Treatments in Endocrinology (2006), 5(1), 15-23

Several chemical entities have shown their ability to reduce axial and/or appendicular fractures in patients with osteoporosis. Since patients who have experienced a previous fracture are at high risk for ... [more ▼]

Several chemical entities have shown their ability to reduce axial and/or appendicular fractures in patients with osteoporosis. Since patients who have experienced a previous fracture are at high risk for subsequent vertebral or hip fracture, it is of prime importance to treat such patients with medications that have unequivocally demonstrated their ability to reduce fracture rates in patients with prevalent fractures. Results obtained with calcium and vitamin D, in this particular population, are not fully satisfactory and these medications are probably better used in conjunction with other therapeutic regimens. Bisphosphonates have shown their ability to reduce vertebral (alendronate, risedronate, ibandronate) and non-vertebral (alendronate, risedronate) fractures in patients with established osteoporosis. Raloxifene has also shown similar properties, notwithstanding its effect on non-vertebral fractures, which has only been derived from a post hoc analysis limited to patients with prevalent severe vertebral fractures at baseline. This compound also has interesting non-skeletal benefits, including effects on the breast and heart. Teriparatide, a bone-forming agent, promptly reduces the rate of vertebral and all non-vertebral fractures, without significant adverse effects. Strontium ranelate, the first agent shown to concomitantly decrease bone resorption and stimulate bone formation, has also shown its ability to reduce rates of vertebral and non-vertebral fractures in patients with established osteoporosis. It significantly reduces hip fractures in elderly individuals at high risk for such events. Its safety profile is also excellent. [less ▲]

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See detailPersistent Ischemic Mitral Regurgitation After Annuloplasty can be Predicted by Pre-operative Echocardiography.
Magne, Julien ULg; Pibarot, P; Dagenais, F et al

Conference (2006)

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See detailA preliminary study of serum haptoglobin in bovine fetal blood.
Humblet, Marie-France ULg; Melo de Sousa, Noelita ULg; Boutet et al

in Proceedings of the 6th European Colloquium on Acute Phase Proteins (2006)

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See detailModelling weathering processes at the catchment scale: The WITCH numerical model
Godderis, Y.; François, Louis ULg; Probst, A. et al

in Geochimica et Cosmochimica Acta (2006), 70(5), 1128-1147

A numerical model of chemical weathering in soil horizons and underlying bedrock (WITCH) has been coupled to a numerical model of water and carbon cycles in forest ecosystems (ASPECTS) to simulate the ... [more ▼]

A numerical model of chemical weathering in soil horizons and underlying bedrock (WITCH) has been coupled to a numerical model of water and carbon cycles in forest ecosystems (ASPECTS) to simulate the concentration of major species within the soil horizons and the stream of the Strengbach granitic watershed, located in the Vosges Mountains (France). For the first time, simulations of solute concentrations in soil layers and in the catchment river have been performed on a seasonal basis. The model is able to reproduce the concentrations of most major species within the soil horizons, as well as catching the first-order seasonal fluctuations of aqueous calcium, magnesium and silica concentrations. However, the WITCH model underestimates concentrations of Mg2+ and silica at the spring of the catchment stream, and significantly underestimates Ca2+ concentration. The deficit in calculated calcium can be compensated for by dissolution of trace apatite disseminated in the bedrock. However, the resulting increased Ca2+ release yields important smectite precipitation in the deepest model layer (in contact with the bedrock) and subsequent removal of large amount of silica and magnesium from solution. In contrast, the model accurately accounts for the concentrations of major species (Ca, Mg and silica) measured in the catchment stream when precipitation of clay minerals is not allowed. The model underestimation of Mg2+ and H4SiO4 concentrations when precipitation of well crystallized smectites is allowed strongly suggests that precipitation of well crystallized clay minerals is overestimated and that more soluble poorly crystallized and amorphous materials may be forming. In agreement with observations on other watersheds draining granitic rocks, this study indicates that highly soluble trace calcic phases control the aqueous calcium budget in the Strengbach watershed. (c) 2005 Elsevier Inc. All rights reserved. [less ▲]

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See detail« Posibilitatea transmiterii in cadrul naratiunii istorice »
Gyemant, Maria ULg

in Lingua B. Cultura si civilizatie (2006), V/2006

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