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See detailSome theoritical and numerical features of strain gradient media regarded as micromorphic media
Caillerie, Denis; Chambon, René; Collin, Frédéric ULg

Conference (2006)

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See detailValuer van der munte - Muntplacaat
Adam, Renaud ULg; Boffa, Sergio

in Bousmanne, Bernard; Thieffry, Sandrine; Wijsman, Hanno (Eds.) Filips de Schone (1478-1506) : schatten van de laatste hertog van Bourgondië : [tentoonstelling : Brussel, Koninklijke Bibliotheek van België, Nassaukapel, van 3 november 2006 tot 27 januari 2007] : catalogus (2006)

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See detailHLA-DQA is associated with abdominal aortic aneurysms in the Belgian population
Tromp, Gerard; Ogata, Toru; Grégoire, Lucie et al

in Annals of the New York Academy of Sciences (2006), 1085

Chronic inflammation and autoimmunity likely contribute to the pathogenesis of abdominal aortic aneurysms (AAAs). The aim of this study was to investigate the role of autoimmunity in the etiology of AAAs ... [more ▼]

Chronic inflammation and autoimmunity likely contribute to the pathogenesis of abdominal aortic aneurysms (AAAs). The aim of this study was to investigate the role of autoimmunity in the etiology of AAAs using a genetic association study approach with human leukocyte antigen (HLA) polymorphisms (HLA-DQA1, -DQB1, -DRB1 and -DRB3-5 alleles) in 387 AAA cases and 426 controls. We observed an association with the HLA-DQA1 locus among Belgian males, and found a significant difference in the HLA-DQA1 *0102 allele frequencies between AAA cases and controls. In conclusion, this study showed potential evidence that the HLA-DQA1 locus harbors a genetic risk factor for AAAs suggesting that autoimmunity plays a role in the pathogenesis of AAAs. [less ▲]

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See detailIodide organification disorder in autonomous thyroid nodule.
Tang, B.; Corvilain, B.; Seret, Alain ULg et al

in European Journal of Nuclear Medicine and Molecular Imaging (2006), 33(S2), 351

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See detailPattern and process in landscape ecology.
Bogaert, Jan ULg

Scientific conference (2006)

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See detailHigh-sensitivity staining of proteins for one- and two-dimensional gel electrophoresis using post migration covalent staining with a ruthenium fluorophore.
Tokarski, Caroline; Cren-Olive, Cecile; Fillet, Marianne ULg et al

in Electrophoresis (2006), 27(7), 1407-16

This paper describes the use of a ruthenium complex ((bis(2,2'-bipyridine)-4'-methyl-4-carboxybipyridine-ruthenium-N-succidimyl ester-bis(hexafluorophosphate), abbreviated below as ASCQ_Ru) commercially ... [more ▼]

This paper describes the use of a ruthenium complex ((bis(2,2'-bipyridine)-4'-methyl-4-carboxybipyridine-ruthenium-N-succidimyl ester-bis(hexafluorophosphate), abbreviated below as ASCQ_Ru) commercially available and chemically pure. This new ruthenium complex ASCQ_Ru brings an activated ester, allowing the selective acylation of amino acid side chain amines for the post migration staining of proteins separated in 1-DE and 2-DE. The protocol used is a simple three-step protocol fixing the proteins in the gel, staining and then washing, as no lengthy destaining step is required. First the critical staining step was optimized. Although in solution the best described pH for acylating proteins with this reagent is phosphate buffer at pH 7.0, we found that best medium for in-gel staining is unbuffered ACN/water solution (20/80 v/v). The two other steps are less critical and classical conditions are satisfactory: fixing with 7% acetic acid/10% ethanol solution and washing four times for 10 min with water. Sensitivity tests were performed using 1-DE on protein molecular weight markers. We obtained a higher sensitivity than SYPRO Ruby with a detection limit of 80 pg of protein per well. However, contrary to SYPRO Ruby, ASCQ_Ru exhibits a logarithmic dependency on the amount of protein. The dynamic range is similar to SYPRO Ruby and is estimated between three and four orders of magnitude. Finally, the efficiency of the post migration ASCQ_Ru staining for 2-D gel separation is demonstrated on the whole protein extract from human colon carcinoma cells lines HCT 116. ASCQ_Ru gave the highest number of spot detected compared to other common stains Colloidal CBB, SYPRO Ruby and Deep Purple. [less ▲]

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See detailReal-time RT-PCR quantification of mRNA encoding cytokines, CC chemokines and CCR3 in bronchial biopsies from dogs with eosinophilic bronchopneurnopathy
Peeters, Dominique ULg; Peters, I. R.; Clercx, Cécile ULg et al

in Veterinary Immunology and Immunopathology (2006), 110(1-2), 65-77

Idiopathic canine eosinophilic bronchopneumopathy (EBP) is a disease characterized by eosinophilic infiltration of the pulmonary interstitium and bronchial mucosa, a cause for which has not yet been ... [more ▼]

Idiopathic canine eosinophilic bronchopneumopathy (EBP) is a disease characterized by eosinophilic infiltration of the pulmonary interstitium and bronchial mucosa, a cause for which has not yet been discovered. A recent study, examining the relative proportion of various lymphocyte cell subsets within bronchoalveolar lavage fluid from dogs with EBP, has shown a selective increase in CD4(+) T-cells and a selective decrease in CD8(+) T-cells, suggesting that a similar Th2 immune response might occur in EBP. The aim of the present study was to determine the profile of cytokine, chemokine and CC chemokine receptor 3 (CCR3) messenger RNA (mRNA) expression in bronchial tissue from dogs with EBP. Real-time RT-PCR assays were used for the quantification of mRNA encoding for a panel of cytokines, CC chemokines and CCR3 in perendoscopic bronchial biopsies from eight dogs with EBP and seven age-matched control dogs. Messenger RNA transcribed from the housekeeping gene glyceraldehyde-3 -phosphate dehydrogenase was used for normalisation of the threshold cycle in order to determine the relative copy numbers of the transcripts. No significant difference in the expression of any cytokine, MCP-1, -2, -4 and CCR3 was found between control and EBP dogs. The expression of transcript for MCP-3, eotaxin-2 and -3 was significantly greater in bronchial biopsies from dogs with EBP than in samples from control dogs while there was significantly less mRNA encoding RANTES in the mucosa of dogs with EBP. In conclusion, the cytokine mRNA expression profile in perendoscopic bronchial biopsies is similar in dogs with EBP and dogs without respiratory disease. Further studies on the quantification of mRNA encoding cytokines in isolated T lymphocytes from bronchoalveolar lavage fluid or bronchial biopsies are needed before any conclusion on the cytokine profile in canine EBP can be drawn. Eotaxin-2, -3 and MCP-3 appear to be implicated in the pathogenesis of the disease. (c) 2005 Elsevier B.V. All rights reserved. [less ▲]

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See detailA Text Mining-based Recommendation System for Customer Decision Making in Online Product Customization
Ittoo, Ashwin ULg; Zhang, Yi Yang; Jiao, Roger

in IEEE Proceedigns of International Conference on Management of Innovation and Technology (2006)

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See detailImpact of acute cadmium exposure on the trunk lateral line neuromasts and consequences on the "C-start" response behaviour of the sea bass (Dicentrarchus labrax L.; Teleostei, Moronidae).
Faucher, Karine ULg; Fichet, Denis; Miramand, Pierre et al

in Aquatic Toxicology (2006), 76(3-4), 278-94

Behavioural responses of sea bass Dicentrarchus labrax were investigated after exposure to cadmium ions in laboratory-controlled conditions. The aim of this study was to discover whether environmental ... [more ▼]

Behavioural responses of sea bass Dicentrarchus labrax were investigated after exposure to cadmium ions in laboratory-controlled conditions. The aim of this study was to discover whether environmental exposure to cadmium ions inactivates fish lateral line system neuromasts, and to determine the behavioural consequences of such a sensory blockage. For this, fish escape behaviour in response to an artificial water jet was recorded using a 25-frames s(-1) analog video camera before and after cadmium exposure. Experimental set up was tested with fish whose lateral line system was artificially inactivated by antibiotics (gentamicin and streptomycin). Histological analyses with scanning electron microscopy showed antibiotic treatment destroyed lateral line system neuromasts. In addition, these fish did not respond to stimulations provoked by the water jet after antibiotic treatment. Fish escape behaviour was then recorded before and after cadmium exposure at two different concentrations. When fish were exposed to the first concentration of cadmium tested (0.5 microg l(-1), which represents the maximal cadmium concentration encountered in contaminated estuaries), no alteration in neuromast tissue was observed. In addition, before cadmium exposure, fish responded positively in 98.41 +/- 4.95% of lateral line system stimulations (escape behaviour in response to the water jet). After cadmium exposure, no behavioural modification could be detected: the fish responded positively in 95.16 +/- 9.79% of stimulations (chi(2) = 2.464, p = 0.116). In contrast, the high cadmium concentration used (5 microg l(-1), which represents 10 times the concentration occurring in highly polluted estuarine areas) involved severe neuromast tissue damage. Just after such cadmium exposure, fish showed only 41.67 +/- 35.36% of positive responses to their lateral line system stimulations, while they responded positively in 95.93 +/- 9.10% of stimulations under control conditions (chi(2) = 24.562, p < 0.0001). Their lateral line system neuromasts seemed to regenerate about 1 month after cadmium exposure. Associated with this regeneration, from the 21st day after cadmium exposure, their escape behaviour had recovered and was not significantly different from that recorded under control conditions (86.74 +/- 20.82%, chi(2) = 2.876, p = 0.090). This study shows that although 5 microg l(-1) cadmium is able to damage lateral line system neuromasts and causes fish behavioural alterations, fish exposed to 0.5 microg l(-1) cadmium displayed neither tissue neuromast nor behavioural modification. [less ▲]

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See detailHotelling's T 2 control chart with double warning lines
Faraz, Alireza ULg; Parsian, Ahmad

in Statistical Papers (2006), 47(4), 569-593

Recent studies have shown that the T 2 control chart with variable sampling intervals (VSI) and/or variable sample sizes (VSS) detects process shitis faster than the traditional T 2 chart. This article ... [more ▼]

Recent studies have shown that the T 2 control chart with variable sampling intervals (VSI) and/or variable sample sizes (VSS) detects process shitis faster than the traditional T 2 chart. This article extends these studies for processes that are monitored with VSI and VSS using double warning lines ( T 2 - DWL ). It is assumed that the length of time the process remains in control has exponential distribution. The properties of T 2- DWL chart are obtained using Markov chains. The results show that the T 2 - DWL chart is quicker than VSI and/or VSS charts in detecting almost all shifts in the process mean. [less ▲]

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See detailIntroduction à la prise de vue HDV/HDCam
Hamers, Jérémy ULg; Cappelle, Louis-Philippe

Conference given outside the academic context (2006)

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See detailTextos que se rebelan y que revelan. La rebeldía discursiva del EZLN y del Subcomandante Marcos
Vanden Berghe, Kristine ULg

in Camacho Navarro, Enrique (Ed.) El rebelde contemporáneo en el circuncaribe. Imágenes y representaciones. (2006)

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See detailPercutaneous coronary intervention for bifurcation disease.A consensus view from the first meeting of the European Bifurcation Club.
Thomas, Martyn; Hildick-Smith, David; Louvard, Yves et al

in EuroIntervention : journal of EuroPCR in collaboration with the Working Group on Interventional Cardiology of the European Society of Cardiology (2006), 2(2), 149-53

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See detailA new approach in deciphering early protist paleobiology and evolution: Combined microscopy and microchemistry of single Proterozoic acritarchs
Javaux, Emmanuelle ULg; Marshal, C. P.

in Review of Palaeobotany and Palynology (2006), 139(1-4), 1-15

Beside a few cases, the biological affinities of Proterozoic and Paleozoic acritarchs remain, by definition, largely unknown. However, these fossils record crucial steps in the early evolution of ... [more ▼]

Beside a few cases, the biological affinities of Proterozoic and Paleozoic acritarchs remain, by definition, largely unknown. However, these fossils record crucial steps in the early evolution of microorganisms and diversification of complex ecosystems. We present how combining microscopy (light microscopy, scanning and transmitted electron microscopy) with microchemical analyses of individual microfossils may offer further insights into the paleobiology and evolution of early microorganisms. We use our ongoing work on early Mesoproterozoic and Neoproterozoic assemblages, as well as other published work, as examples to illustrate how this approach may clarify the evolution of early microorganisms and we underline how useful this approach could be for palynologists working on younger material. Such a multidisciplinary approach offers new possibilities to investigate the biological affinities of acritarchs and the record of early life on Earth and beyond. (c) 2006 Elsevier B.V. All rights reserved. [less ▲]

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See detailAnalyse des herbicides phénoxyacides par chromatographie en phase liquide : 1er essai inter-laboratoires
Turcant, Alain; Dehon, Betty; Ganière-Monteil, Catherine et al

in Annales de Toxicologie Analytique (2006), XVIII(2), 135-142

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