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See detailBiodiversity of cucurbits consumed as sauce thickener in Ivory Coast : a capital resource for the economic prosperity of rural women
Zoro Bi, I.; Koffi, K. K.; Dje, Y. et al

in Tropical Biodiversity : Science, Date, Conservation (2006)

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See detailIdentités et politique : quinze ans dans un miroir
Italiano, Patrick ULg

in Fédéralisme - Régionalisme (2006), 6

Synthèse de l'évolution, en quinze ans, des sentiments d'appartenance wallon, belge et européen de leurs dynamiques respectives, et mis en perspective des fluctuation avec les événements politiques des ... [more ▼]

Synthèse de l'évolution, en quinze ans, des sentiments d'appartenance wallon, belge et européen de leurs dynamiques respectives, et mis en perspective des fluctuation avec les événements politiques des périodes considérées. [less ▲]

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See detailDiagnosis of small bowel malabsorption syndromes in adults
Belaiche, Jacques ULg; Louis, Edouard ULg

in Acta Gastro-Enterologica Belgica (2006), 69(1, Jan-Mar), 31-37

Patients with malabsorption represent a small proportion of presentations with chronic diarrhea. In spite of some progress, the last twenty years were not very innovating in malabsorption investigations ... [more ▼]

Patients with malabsorption represent a small proportion of presentations with chronic diarrhea. In spite of some progress, the last twenty years were not very innovating in malabsorption investigations. Supporting history may direct investigations toward either the small bowel or pancreas. Serological testing for celiac disease will determine most cases without invasive investigation, but individuals suspected to have small bowel malabsorption, despite negative celiac serology, should have endoscopic distal duodenal biopsies taken to exclude other rare forms of small bowel enteropathy. This strategy has largely supplanted many older tests of small bowel function. [less ▲]

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See detailInternational Migration and Its Regulation
Gsir, Sonia ULg; Baganha, Maria; Doomernik, Jeroen et al

in Penninx, Rinus; Berger, Maria; Kraal, Karen (Eds.) The Dynamics of International Migration and Settlement in Europe. A State of the Art. (2006)

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See detailSuppression of limit cycle oscillations with a nonlinear energy sink: experimental results
Hill, W. Joel; Strganac, Thomas W.; Lee, Young S. et al

in 47th AIAA Structural Dynamics and Materials Conference, Newport, 2006 (2006)

The presence of limit cycle oscillations within the flight envelopes of existing aircraft is well documented. Future air vehicle designs are also likely to encounter limit cycle oscillations under certain ... [more ▼]

The presence of limit cycle oscillations within the flight envelopes of existing aircraft is well documented. Future air vehicle designs are also likely to encounter limit cycle oscillations under certain loading conditions. These steady-state constant amplitude oscillations are detrimental to mission effectiveness and lead to increased fatigue of aircraft structures. Previous efforts to suppress limit cycle oscillations have focused primarily on active control methods. These efforts have been effective but require significant measurement and control resources. In this study the investigators test a passive method for suppressing limit cycle behavior. A nonlinear energy sink, based on the principle of nonlinear energy pumping, is shown to be effective for increasing the stability threshold of a nonlinear two degree of freedom aeroelastic system. [less ▲]

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See detailDo Spermathecal Morphology And Inter-Mating Interval Influence Paternity In The Polyandrous Beetle Tribolium Castaneum?
Bernasconi, Giorgina; Brostaux, Yves ULg; Meyer, Eric P. et al

in Behaviour (2006), 143(5), 643-658

In polyandrous insects, postcopulatory sexual selection is a pervasive evolutionary force favouring male and female traits that allow control of offspring paternity. Males may influence paternity through ... [more ▼]

In polyandrous insects, postcopulatory sexual selection is a pervasive evolutionary force favouring male and female traits that allow control of offspring paternity. Males may influence paternity through adaptations for sperm competition, and females through adaptations facilitating cryptic female choice. Yet, the mechanisms are often complex, involving behaviour, physiology or morphology, and they are difficult to identify. In red flour beetles (Tribolium castaneum), paternity varies widely, and evidence suggests that both male and female traits influence the outcome of sperm competition. To test the role of spermathecal morphology and of sperm storage processes on the outcome of sperm competition, we mated each of 26 virgin females with two males, one of which carrying a phenotypic marker to assign offspring paternity. We manipulated the interval between mating with the first and the second male, to create different conditions of sperm storage (overlapping and non-overlapping) in the female reproductive tract. To investigate the role of sperm storage more closely, we examined the relationship between paternity and spermathecal morphology in a subset of 14 experimental females. In addition, we also characterized variation in spermathecal morphology in three different strains, wildtype, Chicago black and Reindeer. No significant influence of the intermating interval was found on the paternity of the focal male, although the direction of the difference was in the expected direction of higher last male paternity for longer intervals. Moreover, paternity was not significantly associated with spermathecal morphology, although spermathecal volume, complexity, and tubule width varied significantly and substantially among individuals in all investigated strains. [less ▲]

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See detailStudy of the modes of action of two biocontrol agents Z1 and ZH2
Drider, R.; Friel, D.; El Guilli, M. et al

Poster (2006)

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See detailControlled radical polymerization of vinyl monomers catalyzed by ruthenium N-heterocyclic carbene complexes
Delfosse, Sébastien; Richel, Aurore ULg; Delaude, Lionel ULg et al

in Matyjaszewski, K. (Ed.) Progress in Controlled/Living Radical Polymerization / ACS Symposium Series 944 (2006)

The relative catalytic activities of a series of ruthenium-based complexes of the general formula [RuCl2(p-cymene)(NHC)], [RuCl2(=CHPh)(PR3)(NHC)] and [RuCl2(=CHPh)(NHC)2] (NHC is a N-heterocyclic carbene ... [more ▼]

The relative catalytic activities of a series of ruthenium-based complexes of the general formula [RuCl2(p-cymene)(NHC)], [RuCl2(=CHPh)(PR3)(NHC)] and [RuCl2(=CHPh)(NHC)2] (NHC is a N-heterocyclic carbene ligand) were determined by investigating the atom transfer radical polymerization (ATRP) of methyl mathacrylate and styrene. The catalytic activity of a variety of related [RuCl(O^N)(=CHR)(NHC)] complexes and their cationic couterparts, [Ru(O^N)(=CHR)(NHC)]+BF4- (R = Ph or OEt, O^N is a Schiff base ligand), is also reported. The results clearly demonstrate that, with both methyl methacrylate and styrene, subtle modifications of the substituents of the NHC ligand lead to dramatic changes in the ability of the resulting ruthenium complexes to favor the occurence of a well-behaved ATRP. [less ▲]

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See detailStudy of the powerplant of Lanaye
Topliceanu, I.; Erpicum, Sébastien ULg; Pirotton, Michel ULg et al

in Proceedings of Hydroenergia 2006 (2006)

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See detailRole of tumor-associated lipogenesis in the formation and composition of membrane microdomains
Timmermans, L.; Kischel, Philippe; Beckers, Albert ULg et al

Conference (2006)

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See detailUltrasound fetal measurements and pregnancy associated glycoprotein secretion in early pregnancy in cattle recipients carrying somatic clones
Chavatte-Palmer, P.; Melo de Sousa, Noelita ULg; Laigre, P. et al

in Theriogenology (2006), 66(4), 829-840

Somatic cloning in the bovine species leads to high levels of fetal losses which occur throughout pregnancy. These losses are most often associated with fetal overgrowth, a syndrome known as large ... [more ▼]

Somatic cloning in the bovine species leads to high levels of fetal losses which occur throughout pregnancy. These losses are most often associated with fetal overgrowth, a syndrome known as large offspring syndrome (LOS), and excessive maternal plasma pregnancy serum protein 60 (PSP60), a protein similar to a pregnancy-associated glycoprotein of 67 kDa (PAG 167) produced by the bovine placenta. Predicting the outcome of pregnancies initiated from cloned embryos has become an important issue both to prevent potential harm to the mother because of excessive fetal size at birth and also to get a better understanding of the relationships between growth, differentiation and placental functions in developing cloned fetuses. Here, we report on a systematic analysis of fetal and placental development in the first trimester of pregnancy performed by ultrasonographic imaging and by measurement of the maternal concentrations of pregnancy associated glycoproteins (PAGS), using four different radioimmunoassays (RIA) (two homologous RIA systems with PSP60 and PAG 167; two heterologous RIA systems with PAG 167 as standard and tracer, and antisera anti-caprine PAGs). We showed that crown-rump length (CRL) in clones appeared smaller than controls at 35, 50 and 62 days (P < 0.05). At 62 days of pregnancy, CRL in cloned fetuses that died before 90 days was smaller compared to the other cloned fetuses (P < 0.05) whereas the width of the fetal sack and the biparietal diameter (BPD) was larger in fetuses that developed LOS in late gestation (P < 0.05). Maternal PAGs concentrations were statistically different between controls and all clone recipients as early as Day 34, suggesting early abnormal placental glycoprotein synthesis for clone pregnancies regardless of pregnancy outcome. This work provides a practical, non-invasive tool to follow up clone pregnancies and suggests that primary growth retardation and abnormal placental function precedes excessive fetal and placental growth at later stages of pregnancy. (c) 2006 Elsevier Inc. All rights reserved. [less ▲]

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See detailCartographie au moyen de marqueurs microsatellites des gènes de Gossypium sturtanium Willis responsables de l'inhibition de la synthèse du gossypoll uniquement dans la graine du cotonnier
Benbouza, H.; Lacape, M.; Courtois, B. et al

in Actes des Xèmes Journées Scientifiques du Réseau "Biotechnologies végétales : Quelles biotechnologies pour une agriculture durable ?" (2006)

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See detailBuilding a selectivity list of plant protection products on beneficial arthropods in open field: a clear example with potato crop.
Hautier, Louis; Jansen, Jean-Pierre; Mabon, Nicolas et al

in Bulletin OILB/SROP = IOBC/WPRS Bulletin (2006), 29(10), 21-32

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See detailThe riddle of genuine skin microrelief and wrinkles.
Quatresooz, Pascale ULg; Thirion, L.; Pierard, Claudine ULg et al

in International Journal of Cosmetic Science (2006), 28(6), 389-95

Wrinkles result from distinct structural changes occurring in specific parts of the dermis and subcutaneous tissue. There is a need for evidenced-based cosmetology identifying and quantifying the ... [more ▼]

Wrinkles result from distinct structural changes occurring in specific parts of the dermis and subcutaneous tissue. There is a need for evidenced-based cosmetology identifying and quantifying the different aspects of wrinkling. Histology allows to detect specific changes associated with particular types of wrinkles. Four main types of wrinkles can thus be recognized, including the atrophic crinkling rhytids, the permanent elastotic creases, the dynamic expression lines, and the gravitational folds. Each type usually develops on specific skin regions exhibiting distinct microanatomical characteristics. Whereas skin microrelief, expression lines and skin folds appear clearly marked at the histological level, only little dermal changes are identified under other reducible or permanent wrinkles compared with the skin immediately adjacent to them. Distinguishing different types of wrinkles brings more precision to the clinical practice. This is of importance because the different types of wrinkles respond differently to cosmetic, dermatological and surgical treatments. [less ▲]

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See detail‘Migrants aveugles’ : luttes de classement et contrôle social dans la Chine des réformes économiques
Florence, Eric ULg

in Une criminologie de la tradition à l’innovation. En hommage à Georges Kellens (2006)

Ce chapitre traite des représentations des migrants d’origine rurale à la fin des années 1980 et au début des années 1990, période au cours de laquelle la question des migrations commence à occuper une ... [more ▼]

Ce chapitre traite des représentations des migrants d’origine rurale à la fin des années 1980 et au début des années 1990, période au cours de laquelle la question des migrations commence à occuper une place de premier plan dans le débat public. Sur la base d’une analyse détaillée de la presse quotidienne et hebdomadaire, de magazines scientifiques et d’ouvrages issus de la littérature de reportage publiés entre 1986 et 1991, l’auteur montre qu’une lutte se déroule autour de la représentation des migrations ; elle s’articule principalement autour de deux axes : l’Etat et l’économie de marché. L’enjeu de cette lutte est la légitimité de la présence des migrants en ville et elle touche à la redéfinition de la hiérarchie sociale et spatiale. [less ▲]

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See detailLittérature belge et recherche collective
Denis, Benoît ULg; Klinkenberg, Jean-Marie ULg; Aron, Paul

in Textyles : Revue des Lettres Belges de Langue Française (2006), (29), 90-97

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