References of "2006"
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See detailRole of Sox 10 in the development of the inner ear
Bodson, M; Breuskin, I; Thelen, Nicolas ULg et al

Poster (2006)

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See detailA note on syndeticity, recognizable sets and Cobham's theorem
Rigo, Michel ULg; Waxweiler, Laurent ULg

in Bulletin of the European Association for Theoretical Computer Science (2006), 88

In this note, we give an alternative proof of the following result. Let p,q>=2 be two multiplicatively independent integers. If an infinite set of integers is both p- and q-recognizable, then it is ... [more ▼]

In this note, we give an alternative proof of the following result. Let p,q>=2 be two multiplicatively independent integers. If an infinite set of integers is both p- and q-recognizable, then it is syndetic. Notice that this result is needed in the classical proof of the celebrated Cobham’s theorem. Therefore the aim of this paper is to complete [13] and [1] to obtain an accessible proof of Cobham’s theorem. [less ▲]

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See detailÉcritures masculines d’un héroïsme au féminin : portrait moderne d’une mystique médiévale
Henneau, Marie-Elisabeth ULg

in Alémany, Véronique; Cottret, Monique; Cottret, Bernard (Eds.) Saintes ou sorcières? L'héroïsme chrétien au féminin (2006)

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See detailDéchiffrer Vénus. Renaissance et âge classique
Droixhe, Daniel ULg

in Journal de la Renaissance. IV (2006)

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See detailKinetic of the hydrolysis of pectin galacturonic acid chains and quantification by ionic chromatography
Garna, H.; Mabon, N.; Nott, Katherine ULg et al

in Food Chemistry (2006), 96(3), 477-484

These experiments were designed to develop a rapid, repeatable and accurate analysis method for the quantification of galacturonic acid of pectins. Different pectin hydrolysis procedures (chemical and ... [more ▼]

These experiments were designed to develop a rapid, repeatable and accurate analysis method for the quantification of galacturonic acid of pectins. Different pectin hydrolysis procedures (chemical and enzymatic) were carried out with H2SO4, TFA and HCl at different acid concentrations (0.2, 1 and 2 M) and temperatures (80 and 100 degrees C). Enzymatic and combined chemical and enzymatic hydrolysis of pectin were also studied. A acid hydrolysis under drastic conditions (100 degrees C) is insufficient for complete hydrolysis and results in low recovery of galacturonic acid residues. Mild chemical hydrolysis (0.2, 1 and 2 M H2SO4 72 h at 80 degrees C) is also insufficient for complete depolymerization. Its main advantage is cleavage of the galacturonic acid chains into oligomeric forms without any degradation within 72 h of hydrolysis. However, enzymatic hydrolysis with VL9 for 2 h at 50 degrees C and combined chemical and enzymatic hydrolysis (0.2 M TFA at 80 degrees C for 72 h and VL9) give high recovery of this acid. Analysis of the liberated sugar residue by HPAEC allows us to determine the galacturonic acid composition of this polysaccharide accurately with high selectivity and sensitivity in one assay without the need for derivatization. (c) 2005 Elsevier Ltd. All rights reserved. [less ▲]

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See detailEléments de paléontologie
Javaux, Emmanuelle ULg

Learning material (2006)

powerpoint sur MyULg

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See detailBibliographie sélective
Provenzano, François ULg

in Denis, Benoît; De Marneffe, Daphné (Eds.) Les réseaux littéraires (2006)

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See detailRestoration of SHIP-1 activity in human leukemic cells modifies NF-kappaB activation pathway and cellular survival upon oxidative stress.
Gloire, Geoffrey ULg; Charlier, Edith ULg; Rahmouni, Souad ULg et al

in Oncogene (2006), 25(40), 5485-94

Nuclear factor-kappa B (NF-kappaB) is an important prosurvival transcription factor activated in response to a large array of external stimuli, including reactive oxygen species (ROS). Previous works have ... [more ▼]

Nuclear factor-kappa B (NF-kappaB) is an important prosurvival transcription factor activated in response to a large array of external stimuli, including reactive oxygen species (ROS). Previous works have shown that NF-kappaB activation by ROS involved tyrosine phosphorylation of the inhibitor IkappaBalpha through an IkappaB kinase (IKK)-independent mechanism. In the present work, we investigated with more details NF-kappaB redox regulation in human leukemic cells. By using different cell lines (CEM, Jurkat and the subclone Jurkat JR), we clearly showed that NF-kappaB activation by hydrogen peroxide (H2O2) is cell-type dependent: it activates NF-kappaB through tyrosine phosphorylation of IkappaBalpha in Jurkat cells, whereas it induces an IKK-mediated IkappaBalpha phosphorylation on S32 and 36 in CEM and Jurkat JR cells. We showed that this H2O2-induced IKK activation in CEM and Jurkat JR cells is mediated by SH2-containing inositol 5'-phosphatase 1 (SHIP-1), a lipid phosphatase that is absent in Jurkat cells. Indeed, the complementation of SHIP-1 in Jurkat cells made them shift to an IKK-dependent mechanism upon oxidative stress stimulation. We also showed that Jurkat cells expressing SHIP-1 are more resistant to H2O2-induced apoptosis than the parental cells, suggesting that SHIP-1 has an important role in leukemic cell responses to ROS in terms of signal transduction pathways and apoptosis resistance, which can be of interest in improving ROS-mediated chemotherapies. [less ▲]

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See detailPolitiques de l'autobiographie chez Sartre
Denis, Benoît ULg

in Temps Modernes (Les) (2006), (641), 149-167

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See detailRépublique démocratique du Congo. Le système politique de la troisième république : Genèse d’une démocratie attendue
Kabamba, Bob ULg; Verjans, Pierre ULg

in Revue de la Faculté de Droit de l'Université de Liège (2006), (n°2006/4), 561-582

Les élections de 2006 en République démocratique du Congo sont la conséquence d'un long processus commencé par les accords de paix à l'issue de la guerre qui a déchiré le pays. Elles sont aussi le début d ... [more ▼]

Les élections de 2006 en République démocratique du Congo sont la conséquence d'un long processus commencé par les accords de paix à l'issue de la guerre qui a déchiré le pays. Elles sont aussi le début d'un processus démocratique classique. Les résultats de ces élections méritent d'être analysés en terme politique mais aussi démographique. [less ▲]

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See detailCoupled modelling of an excavation in a brittle formation
Collin, Frédéric ULg; Li, Xian Ling; Chambon, René et al

Conference (2006)

This paper is concerned with the coupling effects existing between the mechanical problem and the water diffusion process during an excavation, in relation with the nuclear waste disposal concepts. The ... [more ▼]

This paper is concerned with the coupling effects existing between the mechanical problem and the water diffusion process during an excavation, in relation with the nuclear waste disposal concepts. The hydromechanical coupling effects are first evidenced. Then, the permeability variation with damage is studied. Finally, different kind of flow boundary condition are considered. Their influence on the cavity convergence is highlighted and their effect on strain localisation process as well. [less ▲]

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See detailFeasability of forest conversion: ecological, social and economic aspects (FEFOCON)
Verheyen, Kris; Lust, Noel; Carnol, Monique ULg et al

Report (2006)

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See detailEffets symptomatiques de la glucosamine dans l’arthrose
Reginster, Jean-Yves ULg; Bruyère, Olivier ULg

in Pharma-Sphère (2006), 110

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See detailElasto-plastic material parameter identification by inverse methods: sensitivity matrix calculation
Cooreman, Steven; Bouffioux, Chantal ULg; Lecompte, David et al

in Proceedings of the SEM annual conference and exposition 2006 (2006)

Inverse methods offer a powerful tool for the determination of the elasto-plastic material properties. Contrary to standard tests, these methods can deal with heterogeneous stress and strain-fields which ... [more ▼]

Inverse methods offer a powerful tool for the determination of the elasto-plastic material properties. Contrary to standard tests, these methods can deal with heterogeneous stress and strain-fields which have a larger information contents and hence allow the simultaneous identification of several material parameters. Moreover, it is expected that the obtained material parameters are more accurate, since these heterogeneous deformation fields are much closer to those occurring in real (metal) forming operations. The principle of the inverse method for the identification of material parameters presented in this paper is to compare an experimentally measured strain field to that computed by a Finite Element (FE) model. The material parameters in the FE model are iteratively tuned in such a way that both strain fields match each other as close as possible. One of the building blocks in this identification procedure is the updating algorithm for the material parameters in the FE model. The key problem of this updating algorithm is the determination of the sensitivity matrix, which expresses the sensitivities of the strains with respect to the material parameters. This paper presents an analytical method for the calculation of this sensitivity matrix in case of simple tensile tests. [less ▲]

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