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See detailComposition of Xylopia aethiopica (Dunal) A. rich essential oils from Cameroon and identification of a minor diterpene: ent-13-epi manoyl oxide.
Noudjou, Félicité; Kouninki, Habiba; Hance, Thierry et al

in Biotechnologie, Agronomie, Société et Environnement = Biotechnology, Agronomy, Society and Environment [=BASE] (2007), 11(3), 193-199

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See detailJacques Dubois, Stendhal, une sociologie romanesque, Paris, la découverte, 2007, 251 p.
Curreri, Luciano ULg

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

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See detailHypnosis-related analgesia: a thulium-YAG fMRI study
Vanhaudenhuyse, Audrey ULg

Conference (2007)

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See detailFractal analysis of intraflow unidirectional delay over w-lan and w-wan environments
Pezaros, D. P.; Sifalakis, M.; Mathy, Laurent ULg

in Modeling and Optimization in Mobile, Ad Hoc and Wireless Networks and Workshops, 2007. WiOpt 2007. 5th International Symposium on (2007)

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See detailFabrication, characterization, and modeling of strained SOI MOSFETs with very large effective mobility
Driussi, F.; Esseni, D.; Selmi, L. et al

in IEEE (Ed.) 37th European Solid State Device Research Conference (ESSDERC) (2007)

Strained silicon on insulators (sSOI) wafers with a supercritical thickness of 58 nm were produced using thin strain relaxed SiGe buffer layers, wafer bonding, selective etch back and epitaxial overgrowth ... [more ▼]

Strained silicon on insulators (sSOI) wafers with a supercritical thickness of 58 nm were produced using thin strain relaxed SiGe buffer layers, wafer bonding, selective etch back and epitaxial overgrowth. Raman spectroscopy revealed an homogeneous strain of 0.63 plusmn 0.03 % in the strained Si layer. Long channel n-type SOI-MOSFETs showed very large electron mobilities up to 1200 cm2/Vs in the strained Si devices. These values are more than two times larger than those of reference SOI n-MOSFETs. Mobility simulations with state of the art scattering models are then used to interpret the experiments. [less ▲]

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See detailLa sidérurgie proto-industrielle dans le bassin de la Lienne
Houbrechts, Geoffrey ULg; Weber, Jean-Pol

in De la Meuse à l'Ardenne (2007), 39

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See detailSpectroscopic anatomy of a meteor with the very large telescope (ESO)
Jehin, Emmanuel ULg; Jenniskens, P.; Cabanac, R. A. et al

in Advances in Space Research (2007), 39

A meteor spectrum was recorded serendipitously with the ESO Very Large Telescope during a long exposure in long-slit spectroscopic mode with the instrument FORS1. The -8 magnitude fireball crossed the ... [more ▼]

A meteor spectrum was recorded serendipitously with the ESO Very Large Telescope during a long exposure in long-slit spectroscopic mode with the instrument FORS1. The -8 magnitude fireball crossed the narrow (1 arcsec × 7 arcmin) slit during the observation of a high z supernova in normal service mode operation on May 12, 2002. The spectrum covers the range of 637 1050 nm, where the meteor’s air plasma emissions from N[SUB]2[/SUB], N and O dominate. The meteor trail appears moreover resolved along the slit but we conclude that this is because the meteor at 100 km altitude was out of focus for the VLT. The plasma excitation temperature varies only from about 4300 to 4365 K across the trail, based on the ratio of atomic and molecular nitrogen emissions. This is in agreement with the fact that the trail is not actually spatially resolved. Finally, carbon atom emission is not detected in the relatively unexplored range above 900 nm. [less ▲]

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See detailLe traitement biologique des maladies inflammatoires à médiation immune. Le cas de la dermatologie et de la rhumatologie
Von Frenckell, Christian ULg; Henno, Audrey ULg; de LA BRASSINNE, Michel ULg et al

in Revue Médicale de Liège (2007), 62(Spec No), 55-62

The pathophysiology and the treatment of diseases with clinical presentation so different as rheumatoid arthritis, ankylosing spondylitis, psoriatic arthritis and psoriasis vulgaris have been ... [more ▼]

The pathophysiology and the treatment of diseases with clinical presentation so different as rheumatoid arthritis, ankylosing spondylitis, psoriatic arthritis and psoriasis vulgaris have been revolutionized by the discovery of common pro-inflammatory effector mechanisms involving TNF-alpha and by the use of targeted therapies, the anti-TNF-alpha antibodies. In the past 10 years, our experience has helped several hundreds of patients who were treated with novel drugs, years before they became routinely available. In parallel tools of metrology were developped that can now be applied to the routine patient. Lastly, clinical research on these new drugs has also generated derived research works allowing the university hospital to satisfactorilly fullfil its specific missions. [less ▲]

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See detailSox 10 is not necessary for auditory neurons survival
Breuskin, I; Bodson, M; Thelen, Nicolas ULg et al

Poster (2007)

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See detailMolecular organization of surfactin-phospholipid monolayers: Effect of phospholipid chain length and polar head
Bouffioux, O.; Berquand, A.; Eeman, M. et al

in Biochimica et Biophysica Acta - Biomembranes (2007), 1768(7), 1758-1768

Mixed monolayers of the surface-active lipopeptide surfactin-C-15 and various lipids differing by their chain length (DMPC, DPPC, DSPC) and polar headgroup (DPPC, DPPE, DPPS) were investigated by atomic ... [more ▼]

Mixed monolayers of the surface-active lipopeptide surfactin-C-15 and various lipids differing by their chain length (DMPC, DPPC, DSPC) and polar headgroup (DPPC, DPPE, DPPS) were investigated by atomic force microscopy (AFM) in combination with molecular modeling (Hypermatrix procedure) and surface pressure-area isotherms. In the presence of surfactin, AFM topographic images showed phase separation for each surfactin-phospholipid system except for surfactin-DMPC, which was in good agreement with compression isotherms. On the basis of domain shape and line tension theory, we conclude that the miscibility between surfactin and phospholipids is higher for shorter chain lengths (DMPC > DPPC > DSPC) and that the polar headgroup of phospholipids influences the miscibility of surfactin in the order DPPC > DPPE > DPPS. Molecular modeling data show that mixing surfactin and DPPC has a destabilizing effect on DPPC monolayer while it has a stabilizing effect towards DPPE and DPPS molecular interactions. Our results provide valuable information on the activity mechanism of surfactin and may be useful for the design of surfactin delivery systems. (c) 2007 Elsevier B.V. All rights reserved. [less ▲]

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See detailOn the Purification of Women: Churching in Northern France, 1100-1500, by Paula M. Rieder
L'Estrange, Elizabeth ULg

in Medieval Feminist Forum [= MFF] (2007), 43(2), 73-76

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See detailNaming actions and objects in bilingual aphasia : a multiple case study
Poncelet, Martine ULg; Majerus, Steve ULg; Raman, Ilhan et al

in Brain & Language (2007), 103

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See detailNouvelles approches dans la prise en charge de l'infection a VIH.
Chandrika, K.; Dellot, Patricia ULg; Frippiat, Frédéric ULg et al

in Revue Médicale de Liège (2007), 62 Spec No

HIV infection remains a major problem of public health in Belgium as well as globally. The number of new diagnosies of HIV infection in Belgium remains between two and three daily. Given the dramatic ... [more ▼]

HIV infection remains a major problem of public health in Belgium as well as globally. The number of new diagnosies of HIV infection in Belgium remains between two and three daily. Given the dramatic effect of antiretroviral therapy on the mortality due to HIV infection, the number of patients is constantly increasing. The different problems related to HIV care are also changing. Aging of the patients and chronic exposure to antiretroviral medications have induced new complications. We will present in this brief article several new experimental and clinical approaches in which our centre has participated during the last two years. [less ▲]

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See detailAn unusual cell type of the auditory organ during neonatal development: the inner pillar cells
Thelen, Nicolas ULg; Breuskin, I; Malgrange, B et al

Poster (2007)

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See detailDifferential effects of hypoxia on etoposide-induced apoptosis according to the cancer cell lines
Cosse, Jean-Philippe ULg; Sermeus, Audrey; Vannuvel, Kayleen et al

in Molecular Cancer (2007)

Background: It is more and more recognized that hypoxia plays a role in the resistance of cancer cells to chemotherapy. However, the mechanisms underlying this resistance still need deeper understanding ... [more ▼]

Background: It is more and more recognized that hypoxia plays a role in the resistance of cancer cells to chemotherapy. However, the mechanisms underlying this resistance still need deeper understanding. The aim of this study was to investigate the effect of hypoxia on this process since hypoxia is one of the hallmarks of tumor environment. Results: The effect of hypoxia on the apoptosis induced by etoposide, one drug commonly used in chemotherapy, was investigated using three different cancer cell lines. Gene expression changes were also studied in order to delineate the mechanisms responsible for the hypoxia-induced chemoresistance. We observed that hypoxia differentially influenced etoposide-induced cell death according to the cancer cell type. While hypoxia inhibited apoptosis in hepatoma HepG2 cells, it had no influence in lung carcinoma A549 cells and further enhanced it in breast cancer MCF-7 cells. Etoposide increased p53 activity in all cell lines while hypoxia alone decreased it only in HepG2 cells. Hypoxia had no influence on the etoposide-induced p53 activity in A549, increased p53 abundance in MCF-7 cells but markedly decreased p53 activity in HepG2 cells. Using low density DNA arrays to detect the expression of genes involved in the regulation of apoptosis, etoposide and hypoxia were shown to each influence the expression of numerous genes, many of the ones influenced by etoposide being p53 target genes. Again, the influence of hypoxia on the etoposideinduced changes was different according to the cell type. Conclusion: These results evidenced that there was a striking parallelism between the effect of hypoxia on the etoposide-induced p53 stabilization as well as p53 target gene expression and its effect on the etoposide-induced apoptosis according to the cell type. They are very interesting not only because they provide one possible mechanism for the induction of chemoresistance under hypoxic conditions in cells like HepG2 but also because they indicate that not all cell types respond the same way. This knowledge is of importance in designing adequate treatment according to the type of tumors. [less ▲]

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See detailLa régionalisation des débits en Région wallonne
Gailliez, Sebastien; Dautrebande, Sylvia; Degre, Aurore ULg

(2007)

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See detailLandslide detection from remote sensing images using statistical and ANN classification methods
Danneels, Gaëlle; Havenith, Hans-Balder ULg; Pirard, Eric ULg

in Geophysical Research Abstracts (2007)

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See detailFourier transform infrared spectroscopic study of abhurite Sn21O6Cl16(OH)(14)
Jouen, Samuel; Lefez, Benoit; Sougrati, Moulay Tahar ULg et al

in Materials Chemistry & Physics (2007), 105(2-3), 189-193

Abhurite Sn21O6Cl16(OH)(14) is a tin oxy-hydroxychloride discovered in 1985 as a tin corrosion product formed after long immersion in seawater, has been synthesised and studied using FTIRAS analysis. The ... [more ▼]

Abhurite Sn21O6Cl16(OH)(14) is a tin oxy-hydroxychloride discovered in 1985 as a tin corrosion product formed after long immersion in seawater, has been synthesised and studied using FTIRAS analysis. The vibrational spectra obtained in transmission and reflectance modes of analysis are presented and compared to the vibrational spectra determined by Kramers-Kronig analysis. Transversal and longitudinal (TO and LO) optical modes have been identified. (c) 2007 Elsevier B.V. All rights reserved. [less ▲]

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