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See detailCarte hydrogéologique de Wallonie 1/25000 71/1-2 Meix-devant-Virton - Virton, notice explicative.
Bouezmarni, Mohamed ULg; Debbaut, Vincent ULg

Book published by SPW, DGARNE - peer reviewed (2009)

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See detailAn iterative approach for the solution of multiple-scattering problems at high-frequencies using finite elements
Geuzaine, Christophe ULg

in Proceedings of the conference The Mathematics of Finite Elements and Applications (MAFELAP 2009) (2009)

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See detailNon-myeloablative transplantation with CD8-depleted or unmanipulated peripheral blood stem cells: a phase II randomized trial.
Willems, Evelyne ULg; Baron, Frédéric ULg; Baudoux, Etienne ULg et al

in Leukemia : Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K (2009), 23(3), 608-10

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See detailFrom subspace learning to distance learning: a geometrical optimization approach
Meyer, Gilles ULg; Journée, Michel; Bonnabel, Silvère et al

in Proceedings of the 2009 IEEE Workshop on Statistical Signal Processing (SSP2009) (2009)

In this paper, we adopt a differential-geometry viewpoint to tackle the problem of learning a distance online. As this prob- lem can be cast into the estimation of a fixed-rank positive semidefinite (PSD ... [more ▼]

In this paper, we adopt a differential-geometry viewpoint to tackle the problem of learning a distance online. As this prob- lem can be cast into the estimation of a fixed-rank positive semidefinite (PSD) matrix, we develop algorithms that ex- ploits the rich geometry structure of the set of fixed-rank PSD matrices. We propose a method which separately updates the subspace of the matrix and its projection onto that subspace. A proper weighting of the two iterations enables to continu- ously interpolate between the problem of learning a subspace and learning a distance when the subspace is fixed. [less ▲]

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See detailPolymerization of ortho-Substituted Phenylacetylenes with Well-Defined Ruthenium-Alkylidene Catalysts and Related Metathesis Initiators
Katsumata, T.; Shiotsuki, M.; Sanda, F. et al

in Macromolecular Chemistry And Physics (2009), 210(22), 1891-1902

The polymerization of (2-isopropoxyphenyl)acetylene was investigated using a wide range of well-defined ruthenium-alkylidene complexes and related olefin metathesis initiators. In view of its superior ... [more ▼]

The polymerization of (2-isopropoxyphenyl)acetylene was investigated using a wide range of well-defined ruthenium-alkylidene complexes and related olefin metathesis initiators. In view of its superior activity, the second generation Hoveyda-Grubbs catalyst was singled out for further studies. Only phenylacetylenes ortho-substituted with alkoxy, ester, fluoro, and silyl groups afforded polymers with moderate molecular weights. They were characterized by various analytical techniques, and their properties were pared with those of samples prepared using Rh and W initiators. The Ru-based polymers possessed high trans contents and took a helical conformation with predominantly one-handed screw sense when chiral side-chains were present. [less ▲]

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See detailCurvilinear mesh generation for CFD
Remacle, J.-F.; Geuzaine, Christophe ULg; Hillewaert, K.

in Proceedings of the 11th International Society of Grid Generation Conference (ISSG 2009) (2009)

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See detailUltrastructural detection of nucleic acids within heat shock-induced perichromatin granules of HeLa cells by cytochemical and immunocytological methods.
Charlier, Christine; Lamaye, Françoise ULg; Thelen, Nicolas ULg et al

in Journal of Structural Biology (2009), 166(3), 329-36

The perichromatin granules (PGs) are enigmatic structures of the cell nucleus. The major drawbacks for a biological study are their rare occurrence and their small size in normal conditions. As heat shock ... [more ▼]

The perichromatin granules (PGs) are enigmatic structures of the cell nucleus. The major drawbacks for a biological study are their rare occurrence and their small size in normal conditions. As heat shock has been shown to increase their number, we applied a hyperthermal shock on HeLa cells to investigate the nucleic acid content of PGs by means of cytochemical and immunocytological approaches. These heat shock-induced PGs (hsiPGs) appeared as clusters organized in the form of honeycomb structures and were always associated with some blocks of condensed chromatin, such as the perinucleolar chromatin shell. A stalk connecting the hsiPG to the chromatin could be observed. For the detection of RNA, we applied an immunocytological method involving two anti-RNA antibodies and quantified the gold labelling obtained. The results clearly revealed that hsiPGs contained RNA. Regarding to the detection of DNA, we used three different methods followed by quantitative analyses. The results seemed to indicate that a small amount of DNA was present in hsiPGs. Together, these findings suggest that hsiPGs might be RNP structures associated with particular regions of DNA. [less ▲]

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See detailISEIA, a Belgian non-native species assessment protocol
Branquart, Etienne; Verreyken, Hugo; Vanderhoeven, Sonia ULg et al

in Seghers; Branquart (Eds.) Science Facing Aliens Proceedings of a Scientific Meeting onInvasive Alien Species (2009)

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See detailNew developments in Belgian childcare policy and practice
Vandenbroeck, M.; Pirard, Florence ULg; Peeters, J.

in European Early Childhood Education Research Journal (2009), 17(3), 408-416

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See detailDo Personality Traits Modulate the Effect of Emotional Visual Stimuli on Auditory Information Processing?
Mardaga, Solange; Hansenne, Michel ULg

in Journal of Individual Differences (2009), 30(1), 28-34

Several lines of evidence attest robust relationships between personality dimensions and emotions, including cognitive aspect of emotion. More particularly, many studies reported strong relationships ... [more ▼]

Several lines of evidence attest robust relationships between personality dimensions and emotions, including cognitive aspect of emotion. More particularly, many studies reported strong relationships between extraversion, the behavioral activation system (BAS), and the cognitive processing of positive information, on the one hand, and between neuroticism, the behavioral inhibition system (BIS), and the processing of negative information, on the other hand. Recently, DePascalis, Awari, Matteucci, and Mazzocco (2005) reported that personality traits modulated the effect of the emotional visual stimuli on the mismatch negativity (MMN). The aim of the present study was to replicate these data and extend them to other personality dimensions. Auditory MMN was recorded in normal subjects simultaneously to the presentation of emotional pictures selected as neutral, positive, or negative from the International Affective Picture System, and presented in randomized order. The results support the recent finding that personality (namely, BIS and harm avoidance) modulates the influence of emotional (negative) context on auditory information processing. The present findings suggest that the modulation by personality of change detection in the unattended environment as a function of context valence is limited to unpleasant context. [less ▲]

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See detailMid-term economical consequences of roadside tree topping
Campanella, Bruno ULg; Toussaint, André ULg; Paul, Roger ULg

in Urban Forestry and Urban Greening (2009), 8

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See detailGeneralized Cloaking and Optical Polyjuice
Nicolet, A.; Zolla, F.; Geuzaine, Christophe ULg

in Proceedings of the 8th International Symposium on Electric and Magnetic Fields (EMF'2009) (2009)

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See detailNew Tools in Nail Disorders
Richert, Bertrand ULg; Lateur, Nadine; Theunis, Anne et al

in Seminars in Cutaneous Medicine and Surgery (2009), 28

Tumors of the nail unit may be difficult to diagnose because of the screening effect of the nail plate. In longitudinal melanonychia, several new promising techniques assist with early diagnosis of ... [more ▼]

Tumors of the nail unit may be difficult to diagnose because of the screening effect of the nail plate. In longitudinal melanonychia, several new promising techniques assist with early diagnosis of melanoma (in vivo matrix dermoscopy and immunohistochemistry) as well as sparing as much of the healthy tissues as is possible (shave biopsy technique). Diagnosing nail disorders is in some instances difficult both for the clinician and the pathologist. New tools such as polymerase chain reaction have been proposed for onychomycosis, which accounts for more than half of nail conditions, will allow quick and accurate diagnosis. However, polymerase chain reaction analysis remains expensive and is not routinely used by clinicians. Scoring nail dystrophy by clinical observation remains very subjective; therefore, severity indexes have been proposed. Another emerging noninvasive technique is forensic analysis of nail clippings for detection of drug intake and abuse, as well as exposure to environmental pollution [less ▲]

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See detailFulminant Hepatic Failure Induced by Venlafaxine and Trazodone Therapy: A Case Report.
Detry, Olivier ULg; Delwaide, Jean ULg; De Roover, Arnaud ULg et al

in Transplantation Proceedings (2009), 41(8), 3435-3436

Although acute hepatitis may be a side effect of many medications, most cases are reversible after treatment interruption, and fulminant hepatic failure (FHF) is rare. Venlafaxine and trazodone are 2 ... [more ▼]

Although acute hepatitis may be a side effect of many medications, most cases are reversible after treatment interruption, and fulminant hepatic failure (FHF) is rare. Venlafaxine and trazodone are 2 popular antidepressant agents. Alteration of liver enzyme levels has been reported as a side effect of these drugs at normal doses. Herein we have reported the case of a 48-year-old woman without any previous history of liver disease, who developed fulminant liver failure after 4 months of venlafaxine and trazodone therapy. She required liver transplantation, a procedure that was successful with full patient recovery. The first 5 years of follow-up were uneventful. This case documented that venlafaxine and trazodone at normal doses can produce severe liver toxicity. Liver tests should be monitored regularly in patients who receive this therapy. [less ▲]

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See detailGmsh: a three-dimensional finite element mesh generator with built-in pre- and post-processing facilities
Remacle, J.-F.; Geuzaine, Christophe ULg

in Proceedings of the 11th International Society of Grid Generation Conference (ISSG 2009) (2009)

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See detailCollaboration industrielle et enseignement par projet en électronique de puissance
Plumier, Frédéric ULg; Bleus, Paul; Geuzaine, Christophe ULg

in J3eA : Journal sur l'Enseignement des Sciences et Technologies de l'Information et des Systèmes (2009), 8(Hors série 1), 1015

For the first time during year 2007-2008, a complete design of a DC/DC converter, based on specifications only, was asked to the students following the basic Power Electronics course at University of ... [more ▼]

For the first time during year 2007-2008, a complete design of a DC/DC converter, based on specifications only, was asked to the students following the basic Power Electronics course at University of Liège. This very realistic pedagogical way of teaching helped the students to be autonomous, to learn project and team work. [less ▲]

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See detailGenetic variability of milk fatty acids.
Arnould, Valérie ULg; Soyeurt, Hélène ULg

in Journal of Applied Genetics (2009), 50(1), 29-39

The milk fatty acid (FA) profile is far from the optimal fat composition in regards to human health. The natural sources of variation, such as feeding or genetics, could be used to increase the ... [more ▼]

The milk fatty acid (FA) profile is far from the optimal fat composition in regards to human health. The natural sources of variation, such as feeding or genetics, could be used to increase the concentrations of unsaturated fatty acids. The impact of feeding is well described. However, genetic effects on the milk FA composition begin to be extensively studied. This paper summarizes the available information about the genetic variability of FAs. The greatest breed differences in FA composition are observed between Holstein and Jersey milk. Milk fat of the latter breed contains higher concentrations of saturated FAs, especially short-chain FAs. The variation of the delta-9 desaturase activity estimated from specific FA ratios could explain partly these breed differences. The choice of a specific breed seems to be a possibility to improve the nutritional quality of milk fat. Generally, the proportions of FAs in milk are more heritable than the proportions of these same FAs in fat. Heritability estimates range from 0.00 to 0.54. The presence of some single nucleotide polymorphisms could explain partly the observed individual genetic variability. The polymorphisms detected on SCD1 and DGAT1 genes influence the milk FA composition. The SCD1 V allele increases the unsaturation of C16 and C18. The DGAT1 A allele is related to the unsaturation of C18. So, a combination of the molecular and quantitative approaches should be used to develop tools helping farmers in the selection of their animals to improve the nutritional quality of the produced milk fat. [less ▲]

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