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See detailLa servitude légale d'enclave : un tour d'horizon
Boufflette, Sophie ULiege

in Journal des Juges de Paix = Tijdschrift van de Vrederecters (2003)

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See detail« ‘Soñar, recordar y vivir con eso’. Los sueños de los Záparas en la construcción del pasado, Amazonia Ecuatoriana »,
Bilhaut, Anne-Gaël ULiege

in Estudios Atacameños (2003), 26

The ethnographic study of the Zápara case brings new and original data about memory building processes. The Amazonian Zápara achieve knowledge about their past through dreams that also have a fundamental ... [more ▼]

The ethnographic study of the Zápara case brings new and original data about memory building processes. The Amazonian Zápara achieve knowledge about their past through dreams that also have a fundamental role in their daily life. We will see how their history is constructed by means of dream experiences, and how these are used strategically in the present. Dreams, furthermore, guarantee the cultural and ritual continuity of this group on the verge of extinction. [less ▲]

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See detailRilke herlezen
Spinoy, Erik ULiege

in Freespace Nieuwzuid (2003), 3(12), 80

In this special issue, a number of critics reflect on the question if and how it is still possible today to take great lyrical poetry at face value. The case at hand is that of Rilke's Duino Elegies.

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See detailImmigrants and National Identity in Europe - A. Triandafyllidou
Martiniello, Marco ULiege

in Nations & Nationalism (2003), 9(1), 165-166

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See detailA dip into the world of veterinary nuclear medicine: equine lung scintigraphy
Votion, Dominique ULiege; Lekeux, Pierre ULiege

in Clinical Techniques in Equine Practice (2003), 2(3), 222-230

The clinical and experimental uses of equine lung scintigraphy have largely expanded in recent years. Lung imaging using large animals is of great interest for the understanding of general lung physiology ... [more ▼]

The clinical and experimental uses of equine lung scintigraphy have largely expanded in recent years. Lung imaging using large animals is of great interest for the understanding of general lung physiology, for the knowledge of animal peculiarities, for the study and diagnosis of equine respiratory disorders as well as for the development of their treatment. This article surveys some methodological constraints due to the scanning of a noncooperative large-sized animal, reviews the contribution of equine nuclear imaging in lung physiology and pathology, and discusses future clinical and fundamental applications of lung scintigraphy. [less ▲]

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See detailUltrasound appearance of bowel wall in Wolman's disease.
NCHIMI LONGANG, Alain ULiege; Rausin, Leon; Khamis, Jamil

in Pediatric Radiology (2003), 33(4), 284-5

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See detailLes décrets oraculaires pris en l’honneur d’Hénouttaouy et de Maatkarê (Xe et VIIe pylônes)
Winand, Jean ULiege

in Cahiers de Karnak (2003), (11), 603-710

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See detailContre l'ankylose de l'imagination
Frankignoulle, Pierre ULiege; Bianchi, Michael

in A+ : Architecture in Belgium (2003), 181

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See detailLifting, Superadditivity, Mixed Integer Rounding and Single Node Flow Sets Revisited
Louveaux, Quentin ULiege; Wolsey, Laurence A.

in 4OR : Quarterly Journal of the Belgian, French and Italian Operations Research Societies (2003), 1

In this survey we attempt to give a unified presentation of a variety of results on the lifting of valid inequalities, as well as a standard procedure combining mixed integer rounding with lifting for the ... [more ▼]

In this survey we attempt to give a unified presentation of a variety of results on the lifting of valid inequalities, as well as a standard procedure combining mixed integer rounding with lifting for the development of strong valid inequalities for knapsack and single node flow sets. Our hope is that the latter can be used in practice to generate cutting planes for mixed integer programs. The survey contains essentially two parts. In the first we present lifting in a very general way, empha- sizing superadditive lifting which allows one to lift simultaneously different sets of variables. In the second, our procedure for generating strong valid inequalities consists of reduction to a knapsack set with a single continuous variable, construc- tion of a mixed integer rounding inequality, and superadditive lifting. It is applied to several generalizations of the 0-1 single node flow set. [less ▲]

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See detailHierarchically mesoporous/macroporous metal oxides templated from polyethylene oxide surfactant assemblies
Blin, J.-L.; Léonard, Alexandre ULiege; Yuan, Z.-Y. et al

in Angewandte Chemie International Edition (2003), 42(25), 2872-2875

Wormhole-like mesoporous walls are observed within macroporous metal oxides that were synthesized in one step using nonionic alkyl-PEO surfactants as templates. The uniform macropores have a funnel-like ... [more ▼]

Wormhole-like mesoporous walls are observed within macroporous metal oxides that were synthesized in one step using nonionic alkyl-PEO surfactants as templates. The uniform macropores have a funnel-like shape (tapered towards the center) and are arranged parallel to each other and perpendicular to the tangent of the particle surface (see micrographs). The mesochannels are interconnected with funnel-like macrochannels. [less ▲]

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See detailRezension zu Silke Schlichtmann: Geschlechterdifferenz in der Literaturrezeption um 1800? Zu zeitgenössischen Goethe-Lektüren
Pontzen, Alexandra ULiege

in Arbitrium: Zeitschrift fuer Rezensionen zur germanistischen Literaturwissenschaft (2003)

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See detailNonlinear thin shell finite element for steel and concrete structures subjected to fire: verification and validation
Talamona, Didier; Castagne, Sylvie; Franssen, Jean-Marc ULiege

in Journal of Applied Fire Science (2003), 12(1), 65-81

This article presents verification and validation examples for a nonlinear thin shell element developed for structures subjected to fire. The verification benchmarks are: a Z-shaped cantilever, a twisted ... [more ▼]

This article presents verification and validation examples for a nonlinear thin shell element developed for structures subjected to fire. The verification benchmarks are: a Z-shaped cantilever, a twisted cantilever beam, a hemispherical shell, and Lee's frame at room temperature and at elevated temperature. The element shows that it provides results in good agreement with theoretical results and other finite elements. The validation calculations have been performed on an H rolled profile and a concrete slab. The element demonstrates its ability to reproduce local buckling on a H-steel beam under fire conditions and that it predicts accurately the failure of a concrete slab subjected to fire. The theoretical development of this finite element has been published in the Journal of Applied Fire Science, Vol. 11, No. 4, pp. 291-310, "Nonlinear Thin Shell Finite Element for Steel and Concrete Structures Subjected to Fire: Theoretical Development." [less ▲]

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See detailDendrochronologie et archéologie du bâtiment
Hoffsummer, Patrick ULiege

in Cahiers de l'Urbanisme (Les) (2003), 44

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See detailPiracetam Inhibits The Lipid-Destabilising Effect Of The Amyloid Peptide A Beta C-Terminal Fragment
Mingeot-Leclercq, Mp.; Lins, Laurence ULiege; Bensliman, M. et al

in Biochimica et Biophysica Acta-Biomembranes (2003), 1609(1), 28-38

Amyloid peptide (Abeta) is a 40/42-residue proteolytic fragment of a precursor protein (APP), implicated in the pathogenesis of Alzheimer's disease. The hypothesis that interactions between Abeta ... [more ▼]

Amyloid peptide (Abeta) is a 40/42-residue proteolytic fragment of a precursor protein (APP), implicated in the pathogenesis of Alzheimer's disease. The hypothesis that interactions between Abeta aggregates and neuronal membranes play an important role in toxicity has gained some acceptance. Previously, we showed that the C-terminal domain (e.g. amino acids 29-42) of Abeta induces membrane permeabilisation and fusion, an effect which is related to the appearance of non-bilayer structures. Conformational studies showed that this peptide has properties similar to those of the fusion peptide of viral proteins i.e. a tilted penetration into membranes. Since piracetam interacts with lipids and has beneficial effects on several symptoms of Alzheimer's disease, we investigated in model membranes the ability of piracetam to hinder the destabilising effect of the Abeta 29-42 peptide. Using fluorescence studies and 31P and 2H NMR spectroscopy, we have shown that piracetam was able to significantly decrease the fusogenic and destabilising effect of Abeta 29-42, in a concentration-dependent manner. While the peptide induced lipid disorganisation and subsequent negative curvature at the membrane-water interface, the conformational analysis showed that piracetam, when preincubated with lipids, coats the phospholipid headgroups. Calculations suggest that this prevents appearance of the peptide-induced curvature. In addition, insertion of molecules with an inverted cone shape, like piracetam, into the outer membrane leaflet should make the formation of such structures energetically less favourable and therefore decrease the likelihood of membrane fusion. [less ▲]

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See detailEnantiomeric separation of aminoglutethimide by capillary electrophoresis using native cyclodextrins in single and dual systems
Abushoffa, A. M.; Fillet, Marianne ULiege; Marini Djang'Eing'A, Roland ULiege et al

in Journal of Separation Science (2003), 26(6-7), 536-542

Aminoglutethimide (AGT) is one of the few examples of chiral drugs that can be enantioseparated by capillary electrophoresis using any of the three native cyclodextrins: alpha-, beta-, or gamma-CD. A ... [more ▼]

Aminoglutethimide (AGT) is one of the few examples of chiral drugs that can be enantioseparated by capillary electrophoresis using any of the three native cyclodextrins: alpha-, beta-, or gamma-CD. A complete resolution of the enantiomers of this compound in cationic form could be achieved with each of the three CDs, using a pH 3 phosphoric acid-triethanolamine buffer. Affinity constants for AGT enantiomers with the three native CDs were determined, confirming that the highest selectivity was given by gamma-CD while the strongest complexation was obtained with beta-CD. However, an opposite affinity pattern was observed with the latter. Selectivity was lower for AGT enantiomers in dual CD systems, compared to that obtained with a single selector at its optimal concentration, which confirms that dual systems are of more limited interest when the two selectors have a similar effect on the analyte mobility. These results are in good agreement with those predicted using recently developed mathematical models. [less ▲]

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See detailAmélioration de la détection d’une maladie émergente : exemple de l’ encépahlopathie spongiforme bovine
Saegerman, Claude ULiege; Berkvens, D.; Speybroeck, N. et al

in Epidémiologie et Santé Animale (2003), 44

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See detailFactor V inhibitor after injection of human thrombin in a bleeding ulcer.
Caers, Jo ULiege; Reekmans, An; Jochmans, Kristin et al

in Endoscopy (2003), 35((6)), 542-4

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See detailRénovation de rites : de la critique du vers au vers critique
Purnelle, Gérald ULiege

in Balises, Cahiers de poétique des Archives et musée de la littérature (2003), 3-4

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See detailSkin weathering and ashiness in black Africans.
Uhoda, Emmanuelle ULiege; Pierard, Claudine ULiege; Petit, Ludivine et al

in European Journal of Dermatology (2003), 13(6), 574-8

Ashiness describes a common physiological skin condition that may develop in people with dark skin complexion. Environmental influences, particularly cold and dry weather, seem obvious. This condition has ... [more ▼]

Ashiness describes a common physiological skin condition that may develop in people with dark skin complexion. Environmental influences, particularly cold and dry weather, seem obvious. This condition has seldom been studied so far. In the present study, skin ashiness was assessed in 37 black African women by means of colorimetric assessments and xerosis ratings. Colour changes were measured by the parameters a* and the individual typology angle ITA degrees. Xerosis was assessed by visual inspection, the ultraviolet light-enhanced visualization (ULEV) method, and the cyanoacrylate skin surface stripping (CSSS) method. The assessments were performed on ashy skin of the legs and on the normal looking forehead during the winter season. Ashy skin was lighter but not erythematous. The ITA-revealed colour changes were correlated with xerosis severity as assessed by dry dermoscopy and by the ULEV and CSSS methods. In conclusion, ashiness due to skin weathering does not appear to be related to mild inflammation. It corresponds to a peculiar type of xerosis with reduction in Fresnel reflection by the stratum corneum. [less ▲]

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See detailRosuvastatin decreases caveolin-1 and improves nitric oxide-dependent heart rate and blood pressure variability in apolipoprotein E-/- mice in vivo.
Pelat, Michel; Dessy, Chantal; MASSION, Paul ULiege et al

in Circulation (2003), 107(19), 2480-6

BACKGROUND: Decreased heart rate variability (HRV) and increased blood pressure variability (BPV), determined in part by nitric oxide (NO)-dependent endothelial dysfunction, are correlated with adverse ... [more ▼]

BACKGROUND: Decreased heart rate variability (HRV) and increased blood pressure variability (BPV), determined in part by nitric oxide (NO)-dependent endothelial dysfunction, are correlated with adverse prognosis in cardiovascular diseases. We examined potential alterations in BPV and HRV in genetically dyslipidemic, apolipoprotein (apo) E-/-, and control mice and the effect of chronic statin treatment on these parameters in relation to their NO synthase (NOS)-modifying properties. METHODS AND RESULTS: BP and HR were recorded in unrestrained, nonanesthetized mice with implanted telemetry devices with or without rosuvastatin. Cardiac and aortic expression of endothelial NOS and caveolin-1 were measured by immunoblotting. Both systolic BP and HR were elevated in apoE-/- mice, with abolition of their circadian cycles. Spectral analysis showed an increase in their systolic BPV in the very-low-frequency (+17%) band and a decrease in HRV in the high-frequency (-57%) band, reflecting neurohumoral and autonomic dysfunction. Decreased sensitivity to acute injection of atropine or an NOS inhibitor indicated basal alterations in both parasympathetic and NOS regulatory systems in apoE-/- mice. Aortic caveolin-1 protein, an inhibitor of endothelial NOS, was also increased in these mice by 2.0-fold and correlated positively with systolic BPV in the very-low-frequency band. Rosuvastatin treatment corrected the hemodynamic and caveolin-1 expression changes despite persisting elevated plasma cholesterol levels. CONCLUSIONS: Rosuvastatin decreases caveolin-1 expression and promotes NOS function in apoE-/-, dyslipidemic mice in vivo, with concurrent improvements in BPV and HRV. This highlights the beneficial effects of rosuvastatin on cardiovascular function beyond those attributed to lipid lowering. [less ▲]

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See detailSyncope sur passage en tachycardie ventriculaire par accélération d’une fibrillation auriculaire
Guillaume, T.; Melon, Pierre ULiege; Bouffioux, Laurent ULiege et al

in Revue Médicale de Liège (2003), 58(7-8), 468-471

We report a rare case of rapid atrial fibrillation triggering an episod of ventricular tachycardia. We review the literature and discuss the potential mechanisms of the ventricular arrhythmia.

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See detailA New Wor(l)d Order: Language in the Fiction of the New Caribbean Diaspora
Ledent, Bénédicte ULiege

in Revista Alicantina de Estudios Ingleses (2003), 16

Language has always been a major issue for post-colonial writers, being at once an instrument used by the colonial power and one of the prime avenues of resistance to this oppression. For displaced West ... [more ▼]

Language has always been a major issue for post-colonial writers, being at once an instrument used by the colonial power and one of the prime avenues of resistance to this oppression. For displaced West Indian writers in particular, English has been a significant tool for self-assertion, all the more ambiguous because it is their "mother tongue" while being the tongue of their ancestors' masters as well. This paper analyses how the younger novelists of the Caribbean diaspora use and transform the English language in their search for a new diasporic, cross-cultural identity. Robert Antoni, Michelle Cliff, Fred D'Aguiar, David Dabydeen, M. Nourbese Philip and Caryl Phillips will be among the writers mentioned in this paper. While some of them resort to non-standard linguistic forms and thereby deal head on with the tension between local languages and the need for international communication, others have had a more oblique approach to linguistic change, one that involves not so much lexis as tone and rhythm and often operates by rehabilitating silenced voices from the past. I will attempt to demonstrate how these writers have turned speech into a site of creolization expressive of what Caryl Phillips has called" A New World Order". [less ▲]

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See detailBioactive capsular polysaccharide from the thermophilic Mastigocladus laminosus (Cyanophyceae/Cyanobacteria): demonstration of anti-inflammatory properties
Gloaguen, Vincent; Garbacki, Nancy ULiege; Petit, Daniel et al

in Algological Studies (2003), 108

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See detailResource partitioning in two heterochronic populations of Greek Alpine newts, Triturus alpestris veluchiensis
Denoël, Mathieu ULiege; Schabetsberger, R.

in Acta Oecologica: International Journal of Ecology (2003), 24(1), 55-64

Current ecological models suggest that the maintenance of trophic polymorphisms is favoured by a different resource use in alternative morphs. Facultative paedomorphosis in newts is an example of ... [more ▼]

Current ecological models suggest that the maintenance of trophic polymorphisms is favoured by a different resource use in alternative morphs. Facultative paedomorphosis in newts is an example of phenotypic variation as paedomorphs retain morphological larval traits, such as gills and gill slits. The aim of this study was to find out whether heterochronic morphs occupy particular micro-habitats and focus on specific prey items. Resource partitioning was found between morphs. It concerns mainly food selection with paedomorphs preying more on plankton and less on terrestrial invertebrates than metamorphs. Some habitat specializations were also found with metamorphs being more abundant at the water surface than paedomorphs. Diel variation in habitat use of the two different morphs was minimal. Polymorphism allows Alpine newts to exploit the different resources in the lakes in order to minimize intraspecific competition, but the extent of resource partitioning depends on habitat characteristics. (C) 2003 Editions scientifiques et medicales Elsevier SAS. All rights reserved. [less ▲]

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See detailEffect of rival males on the courtship of paedomorphic and metamorphic Triturus alpestris (Amphibia : Salamandridae)
Denoël, Mathieu ULiege

in Copeia (2003), 2003(3), 618-623

Current theories on the alternative mating tactics suppose that individuals may opt for particular behavioral patterns depending of their morphological status. Facultative paedomorphosis in newts and ... [more ▼]

Current theories on the alternative mating tactics suppose that individuals may opt for particular behavioral patterns depending of their morphological status. Facultative paedomorphosis in newts and salamanders is a suitable process to explore this question because it implies the coexistence of two different morphological morphs differing by the presence of gills and epigamic traits. The aim of this study was to find out whether paedomorphs and metamorphs use similar tactics to attract mates in the presence of a rival and whether there are differences in sexual activity and success between alternative morphs. Sexual interactions in triadic encounters were staged and analyzed in a standardized experimental design. The two kinds of males did not differ in terms of sexual activity, spermatophore deposition or female responsiveness. Both rival paedomorphic and metamorphic males exhibited sexual interference, but in most encounters, intruders just disturbed the courting pair. Sperm transfer success was lower in triadic encounters than in dyadic encounters. These results illustrate that intermorph breeding also occurs in the presence of competitors but that the success rate of the newts is considerably decreased in such competitive situations. Moreover, newts do not use alternative reproductive tactics depending on their status (i.e., paedomorph or metamorph). [less ▲]

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See detailPrediction of technological and organoleptic properties of beef Longissimus thoracis from near-infrared reflectance and transmission spectra
Leroy, Bernadette ULiege; Lambotte, S.; Dotreppe, Olivier ULiege et al

in Meat Science (2003), 66(1), 45-54

Technological and organoleptic properties of beef cuts were predicted by near-infrared (NIR) spectroscopy. Spectra were collected on 189 beef Longissimus thoracis muscle samples using, transmission (NIRT ... [more ▼]

Technological and organoleptic properties of beef cuts were predicted by near-infrared (NIR) spectroscopy. Spectra were collected on 189 beef Longissimus thoracis muscle samples using, transmission (NIRT) and reflectance with a probe. Quality assessment and NIR recordings were performed on sliced loin after 2 and 8 days ageing. Partial least squares regression yielded determination coefficients of cross-validation (R-cv(2)) of 0.12-0.25 for the prediction of Warner-Bratzler Peak Shear Force in reflectance and 0.15-0.41 in transmission. Higher R-cv(2) were obtained for L* parameter (0.83-0.85), a* (0.39-0.49) and b* (0.73-0.75) with reflectance. Predictions of drip loss and cooking loss were less accurate with a R-cv(2) range of 0.38 to 0.54 and 0.25 to 0.47, respectively. The NIR spectra collected on fresh meat show good potential to predict CIE L* and b* parameters in reflectance mode. (C) 2003 Elsevier Ltd. All rights reserved. [less ▲]

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See detailRéflexions sur l'idée de la "confiance mutuelle"
Flore, Daniel ULiege

in L'espace pénal européen (2003)

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See detailLe positionnement multidimensionnel : principes et applications
Palm, Rodolphe ULiege

in Notes de Statistique et d'Informatique (2003), (1), 1-32

This note describes some multidimensional scaling methods for two-way, one-mode tables and for three-way, two-mode tables. The methods are illustrated by an example processed by PROC MDS of SAS software.

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See detailUn droit pénal européen : hasard ou nécessité
Flore, Daniel ULiege

in Revue de Droit Pénal et de Criminologie (2003), 9

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See detailDynamics of PCB transfer from mother to pup during lactation in UK grey seals Halichoerus grypus: differences in PCB profile between compartments of transfer and changes during the lactation period
Debier, Cathy; Pomeroy, Paddy P.; Dupont, Cédric et al

in Marine Ecology-Progress Series (2003), 247

The composition of the PCB mixture which is transferred from mother to pup in grey seals Halichoerus grypus throughout lactation was measured in the successive compartments of transfer: maternal blubber ... [more ▼]

The composition of the PCB mixture which is transferred from mother to pup in grey seals Halichoerus grypus throughout lactation was measured in the successive compartments of transfer: maternal blubber, maternal serum, milk and pup serum. Mother-pup pairs were captured regularly between birth and weaning on the Isle of May, Scotland. The PCB profiles of the different compartments of transfer consisted mainly of congeners 153, 138, 180, 187, 170 and 101, which made up 85% of the total PCB burden. Outer blubber contained higher relative concentrations (R-153) Of hepta-, octa-, and nona-chlorinated congeners (higher chlorinated congeners) than inner blubber, at both early (less than or equal to 5 d) and late (greater than or equal to 11 d) lactation. There was no change in the composition of the outer blubber layer between early and late lactation, while in the inner blubber, there was a slight increase in the R153 of higher chlorinated congeners at late lactation. In maternal serum, profiles changed towards having a higher proportion of higher chlorinated congeners as lactation progressed, but in milk, the PCB pattern stayed constant throughout lactation. Surprisingly, in pup serum profiles also changed towards higher R153 of higher chlorinated congeners at late lactation compared to early lactation, which was different to the pattern observed in milk. In all body compartments, higher proportions of higher chlorinated congeners were associated with higher concentrations of total PCBs. Maternal blubber and pup serum contained a higher R153 of higher chlorinated congeners than milk and, to a lesser extent, maternal serum. Thus biomagnification of the higher chlorinated congeners was recorded in pup serum. [less ▲]

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See detailRuthenium catalysts bearing N-heterocyclic carbene ligands in atom transfer radical reactions
Richel, Aurore ULiege; Delfosse, Sébastien ULiege; Cremasco, Cédric et al

in Tetrahedron Letters (2003), 44(32), 6011-6015

The catalytic activity of ruthenium-p-cymene complexes bearing N-heterocyclic carbene ligands in atom transfer radical addition (ATRA) or polymerisation (ATRP) strongly depends on the substituents of the ... [more ▼]

The catalytic activity of ruthenium-p-cymene complexes bearing N-heterocyclic carbene ligands in atom transfer radical addition (ATRA) or polymerisation (ATRP) strongly depends on the substituents of the carbene ligand, thereby providing a nice illustration of the importance of organometallic engineering and ligand fine tuning in homogeneous catalysis. (C) 2003 Elsevier Ltd. All rights reserved. [less ▲]

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See detailDysphagia Caused by Ventricular Pseudoaneurysm
Noukoua, C. T.; NCHIMI LONGANG, Alain ULiege; Biquet, J. F. et al

in JBR-BTR : Journal Belge de Radiologie - Belgisch Tijdschrift voor Radiologie (2003), 86(3, May-Jun), 168-9

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See detailNieuwe Europese richtlijnen voor de behandeling van arteriele hypertensie: plaats van laaggedoseerde combinatiepreparaten
Krzesinski, Jean-Marie ULiege

in Journal de Cardiologie = Tijdschrift voor Cardiologie (2003), 15(8), 295-299

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See detailRevue de l'épidémiologie de la maladie de Crohn en Europe
Piront, Patricia ULiege; Belaiche, Jacques ULiege; Louis, Edouard ULiege

in Acta Endoscopica (2003), 33

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See detailDevelopment Of A Scar Marker And A Semi-Selective Medium For Specific Quantification Of Pichia Anomala Strain K On Apple Fruit Surfaces
De Clercq, Deborah; Cognet, Stephane; Pujol, Marta et al

in Postharvest Biology & Technology (2003), 29(3), 237-247

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See detailWriting and the Other Arts in Wilson Harris's Fiction
Maes-Jelinek, Hena ULiege

in Commonwealth : Essays and Studies (2003), SP 5

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See detailRisque cardiovasculaire global: HOPE fait vivre plus longtemps
Krzesinski, Jean-Marie ULiege

in Tempo Médical (2003), 247

Les maladies cardiovasculaires restent la première cause de décès chez l'adulte; c'est dire l'importance d'une prise en charge adéquate du risque, notamment en médecine générale. A cet égard, les ... [more ▼]

Les maladies cardiovasculaires restent la première cause de décès chez l'adulte; c'est dire l'importance d'une prise en charge adéquate du risque, notamment en médecine générale. A cet égard, les recommandations les plus récentes vont de plus en plus dans le sens d'une prise en charge du risque cardiovasculaire global, accordant moins d'importance à la valeur absolue de chacun des facteurs de risque; les patients présentant le plus grand risque global devant, bien entendu, être prioritairement traités. Une attitude, basée sur les résultats de quelques grandes études cliniques, dont HOPE (Heart Outcomes Prevention Evaluation). Nous vous proposons ici un rappel des résultats de cette étude remarquable, ainsi qu'un commentaire sur cette nouvelle approche préventive du risque CV, en compagnie de quelques uns des orateurs du congrès Cardio 2003. [less ▲]

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See detailComment on 'Quantum inversion of cold atoms in a microcavity: spatial dependence'
Bastin, Thierry ULiege; Martin, John ULiege

in Journal of Physics : B Atomic Molecular & Optical Physics (2003), 36

In a recent work, Abdel-Aty and Obada (2002 J. Phys. B: At. Mol. Opt. Phys. 35 807-13) analysed the quantum inversion of cold atoms in a microcavity, the motion of the atoms being described quantum ... [more ▼]

In a recent work, Abdel-Aty and Obada (2002 J. Phys. B: At. Mol. Opt. Phys. 35 807-13) analysed the quantum inversion of cold atoms in a microcavity, the motion of the atoms being described quantum mechanically. Two-level atoms were assumed to interact with a single mode of the cavity, and the off-resonance case was considered (namely the atomic transition frequency is detuned from the single-mode cavity frequency). We demonstrate in this paper that this case is incorrectly treated by these authors, and we therefore question their conclusions. [less ▲]

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See detailTotaal cardiovasculair risico: HOPE doet langer leven!
Krzesinski, Jean-Marie ULiege

in Tempo Médical (2003), 247

Cardiovasculaire aandoeningen blijven de belangrijkste doodsoorzaak bij volwassenen. Dat onderstreept het belang van een adequate behandeling van het risico, met name in de algemene geneeskunde. Oe meest ... [more ▼]

Cardiovasculaire aandoeningen blijven de belangrijkste doodsoorzaak bij volwassenen. Dat onderstreept het belang van een adequate behandeling van het risico, met name in de algemene geneeskunde. Oe meest recente aanbevelingen gaan steeds meer in de zin van een aanpak van het totale cardiovasculaire risico, waarbij minder belang wordt gehecht aan de absolute waarde van de atzonderlijke risicotactoren. Patienten met het grootste totale risico moeten uiteraard prioritair behandeld worden. Deze houding is gebaseerd op de resultaten van enkele grote klinische studies, waaronder HOPE (Heart Outcomes Prevention Evaluation). In dit artikel krijgt u een overzicht van de resultaten van deze opmerkelijke studie en een commentaar op deze nieuwe preventieve aanpak van het cardiovasculaire risico in het gezelschap van enkele sprekers op het congres Cardio 2003. [less ▲]

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See detailDetuning effects on the mazer
Martin, John ULiege; Bastin, Thierry ULiege

in Physicalia Magazine (2003), 25

A short review of the theoretical studies of the cold atom micromaser (mazer) is presented. Existing models are then improved by considering more general working conditions. Especially, the mazer physics ... [more ▼]

A short review of the theoretical studies of the cold atom micromaser (mazer) is presented. Existing models are then improved by considering more general working conditions. Especially, the mazer physics is investigated in the situation where a detuning between the cavity mode and the atomic transition frequency is present. Interesting new effects are pointed out. Especially, it is shown that the cavity may slow down or speed up the atoms according to the sign of the detuning and that the induced emission process may be completely blocked by use of a positive detuning. The transmission probability of ultracold atoms through a micromaser is also studied and we generalize previous results established in the resonant case. In particular, it is shown that the velocity selection of cold atoms passing through the micromaser can be very easily tuned and enhanced using a nonresonant field inside the cavity. [less ▲]

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See detailRT-PCR-ELISA for Detection of Apple stem grooving virus in Apple Trees
Marinho, Véra Lucia A.; Daniels, Julio; Kummert, Jean et al

in fitopatologia Brasileira (2003), 28(4), 374-379

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See detailComparaison empirique des estimateurs des taux d'erreur en analyse discriminante
Glele Kakai, R.; Piraux, F.; Fonton, N. H. et al

in Revue de Statistique Appliquée (2003), LI(3), 61-74

Monte Carlo experiments are performed to compare twenty estimators or error rates in discriminant analysis in the case of two populations and linear classification rule. Several distributions (normal, chi ... [more ▼]

Monte Carlo experiments are performed to compare twenty estimators or error rates in discriminant analysis in the case of two populations and linear classification rule. Several distributions (normal, chi-square and beta) have been considered. Estimators eOS (for actual and expected error rate) and eB (for optimal error rate) are the best, except for distributions very different from normal distributions. The e632 estimator is the best non parametric estimator. This estimator is better than parmetric estimators for distributions very different from normal distributions. [less ▲]

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See detailL’émergence d’un marché d’immobilier d’entreprise. L’exemple de la Wallonie
Merenne-Schoumaker, Bernadette ULiege

in Géocarrefour (2003), 78

In less than ten years, a business property market has emerged in Wallonia. This market first concerned offices and retail units (a sector not studied in this paper) and, more recently, semi-industrial ... [more ▼]

In less than ten years, a business property market has emerged in Wallonia. This market first concerned offices and retail units (a sector not studied in this paper) and, more recently, semi-industrial establishments. Its development is largely related to the creation of new demands in physical units, environment and accessibility, as well as in location choices, at both sub-regional and local scales. It has been favoured by the arrival of new property stakeholders from Belgium and abroad (developers, investors and property agents), as well as by public authorities (the Walloon Region and, more importantly, supra-communal, economic development agencies). The emergence of this market is related to the accentuation of territorial contrasts as property development projects usually reinforce strong area [less ▲]

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See detailLoss of nucleotide regulation of epithelial chloride transport in the jejunum of P2Y4-null mice
Robaye, B.; Ghanem, E.; Wilkin, F. et al

in Molecular Pharmacology (2003), 63(4), 777-783

The P2Y4 receptor is responsive to UTP in human and to ATP and UTP in rodents. With the aim of identifying its pharmacotherapeutic interest, we generated P2Y4-null mice by a classic gene targeting method ... [more ▼]

The P2Y4 receptor is responsive to UTP in human and to ATP and UTP in rodents. With the aim of identifying its pharmacotherapeutic interest, we generated P2Y4-null mice by a classic gene targeting method. The proportion of genotypes was consistent with X-linked Mendelian transmission. Gene inactivation was checked by the complete disappearance of P2Y4 receptor mRNA from liver, stomach, and intestine. The P2Y4-null mice had a grossly normal behavior, growth, and reproduction. Chloride secretion by the jejunal epithelium was assessed in Ussing chambers by the measurement of the short circuit current in the presence of phlorizin. We show here that the UTP- and ATPinduced chloride secretory responses observed in wild-type mice are abolished in P2Y4-null mice. This is the first clearcut demonstration of a biological role of the P2Y4 receptor [less ▲]

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See detailEfficacy and safety of the fully human anti-tumour necrosis factor alpha monoclonal antibody adalimumab (D2E7) in DMARD refractory patients with rheumatoid arthritis: a 12 week, phase II study
van de Putte, L. B. A.; Rau, R.; Breedveld, F. C. et al

in Annals of the Rheumatic Diseases (2003), 62(12), 1168-1177

OBJECTIVES: To evaluate efficacy, dose response, safety, and tolerability of adalimumab (D2E7) in disease modifying antirheumatic drug (DMARD) refractory patients with longstanding, active rheumatoid ... [more ▼]

OBJECTIVES: To evaluate efficacy, dose response, safety, and tolerability of adalimumab (D2E7) in disease modifying antirheumatic drug (DMARD) refractory patients with longstanding, active rheumatoid arthritis (RA). METHODS: During a 12 week, double blind, placebo controlled study, 284 patients were randomly allocated to receive weekly subcutaneous injections of adalimumab 20 mg (n = 72), 40 mg (n = 70), or 80 mg (n = 72) or placebo (n = 70) without concomitant DMARDs. RESULTS: Adalimumab significantly improved the signs and symptoms of RA for all efficacy measures. ACR20 responses with adalimumab were significant at each assessment versus placebo (p</=0.01). Additionally, ACR responses with adalimumab were achieved more rapidly than with placebo, with 82/115 (71%) of the ultimate ACR20 response rate to adalimumab treatment achieved at week 2. At week 12, for adalimumab 20, 40, and 80 mg, ACR20 response rates were 50.7%, 57.1%, and 54.2%, respectively, versus 10.0% for placebo (p</=0.001 for all comparisons); ACR50 rates were 23.9%, 27.1%, and 19.4%, respectively, versus 1.4% for placebo (p</=0.001 for all comparisons); and ACR70 rates were 11.3%, 10.0%, and 8.3%, respectively, versus 0.0% for placebo (p</=0.05 for all comparisons). All adalimumab doses significantly improved all ACR core criteria at all assessments. The 40 mg and 80 mg doses provided similar benefit. Adalimumab at all doses was generally well tolerated, with only mild or moderate adverse events. Completion rates were 87% for adalimumab and 67% for placebo. CONCLUSIONS: Adalimumab given as monotreatment to patients with longstanding, severe RA refractory to traditional DMARDs produced a rapid, sustained response and was safe and well tolerated, with no dose limiting side effects. [less ▲]

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See detailRooting blockage in the tobacco rac mutant occurs at the initiation phase, and induces diversion to xylem differentiation
Faivre-Rampant, Odile; D'Angeli, S.; Falasca, G. et al

in Plant Biosystems (2003), 137(2), 163-174

The rac mutant of Nicotiana tabacum L. cv. Xanthii is impaired in adventitious root formation. The objective of the present study was to determine whether or not the root induction phase occurs in the rac ... [more ▼]

The rac mutant of Nicotiana tabacum L. cv. Xanthii is impaired in adventitious root formation. The objective of the present study was to determine whether or not the root induction phase occurs in the rac mutant, and if so, to determine what causes the induced cells to become incapable of organising root primordia. To this end, rac and wild-type shoots were cultured in vitro for 7 days under conditions suitable for obtaining roots in the wild-type (i.e., exposure to 5 muM indole-3-butyric acid for 4 h, and then transfer to hormone-free medium), and then histologically and biochemically analysed during culture. The variations in peroxidase activity, and in cellular levels of auxins and polyamines revealed that the induction phase occurs in rac shoots, although it lasts longer than in the wild-type ones. Furthermore, both auxin and polyamines were consistently higher in rac shoots compared to the wild-type. After induction, auxin and putrescine levels abruptly decreased in the wild-type shoots, whereas they decreased much more slowly in the rac mutant. The histological analysis of the wild-type shoots showed that the abrupt decrease in auxin and polyamine levels were correlated with a normal initiation phase. In fact, wild-type shoots showed cell divisions in the procambium already at day 2, resulting in the formation of root primordia at day 4, and in root emergence between days 5 and 7. In rac shoots, despite the fact that the procambium cells were activated to undergo cell division, the initiation phase was highly perturbed, and the procambial cells developed tracheary elements instead of adventitious roots. The different morphogenic responses of the two genotypes are discussed in the light of the differences in auxin content after the induction phase. [less ▲]

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See detailLes partis et la politique de défense
Dumoulin, André ULiege

in Courrier hebdomadaire du CRISP (2003), 1798

Le présent Courrier hebdomadaire a pour objet l’analyse de l’intégration des questions de défense nationale et européenne au sein des préoccupations des partis politiques belges. Cette analyse comprend ... [more ▼]

Le présent Courrier hebdomadaire a pour objet l’analyse de l’intégration des questions de défense nationale et européenne au sein des préoccupations des partis politiques belges. Cette analyse comprend deux volets. Le premier examine les activités parlementaires en rapport avec les affaires militaires belges et européennes. Nous procéderons, plus précisément, à l’analyse des travaux conduits par la commission de la Défense nationale de la Chambre au cours de la dernière législature. Le second repose sur un examen des propositions relatives à la défense belge et européenne (politique européenne de sécurité et de défense) au sein des programmes politiques des partis représentés au Parlement fédéral dans la perspective des élections législatives du 18 mai 2003. L’objet de cette étude est de déceler les lieux de convergences et de divergences entre les formations politiques du pays (mise à l’agenda politique des partis, définition des priorités, visions prospectives, etc.). Il s’est agi, plus exactement, de relever les principales thématiques abordées par les partis en matière de défense nationale et européenne. En effet, à l’instar d’un grand nombre de compétences régaliennes, le secteur de la défense constitue un lieu d’intersection de multiples problématiques de type économique, social, budgétaire, environnemental et politique au sens propre du terme. En outre, le concept même de défense peut être décliné en une variété de sous-thèmes qui lui sont constitutifs (structure de forces, choix des systèmes d’armes et des matériels, définition des tâches et missions, statut du personnel, intégration au sein des enceintes multilatérales, spécialisation,…). Il est, enfin, utile de préciser que cette étude ne prend en compte ni les divers documents internes (à diffusion publique ou restreinte), ni les notes de travail produites par les partis, ni les études spécialisées sur la place de la Belgique en matière de sécurité européenne. Ce choix a été opéré à dessein. Il s’agit, en effet, de s’intéresser aux seules dispositions programmatiques spécifiquement adressées à l’ensemble des concitoyens dans le cadre de travaux parlementaires et d’un choix électoral donné. Aussi, cette étude ne peut être assimilée à un bilan exhaustif des positions et conceptions des partis en la matière ; il est plutôt un indicateur des messages que les formations politiques entendent transmettre aux citoyens [less ▲]

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See detailEffet de la géométrie et de la disposition des mobiles d'agitation sur la formation de mousse en cuve agitée
Delvigne, Frank ULiege; Bruxelmane, Marc; Thonart, Philippe ULiege

in Tribune de l'Eau (La) (2003), 622(2), 65-70

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See detailIndo-iranien *aruna
Swennen, Philippe ULiege

in Journal Asiatique (2003), 291

In sanskrit, aruna- means "red, pink". In Avestan, occidental scholars translate auruna by "wild". Nothing explains this paradox between two words whose etymological equivalence is obvious. A precise ... [more ▼]

In sanskrit, aruna- means "red, pink". In Avestan, occidental scholars translate auruna by "wild". Nothing explains this paradox between two words whose etymological equivalence is obvious. A precise reading of the Rig-Vedic stanzas shows that the feminine form of this adjective always qualifies the Dawn. This systematic use modified the meaning of the adjective. Beyond its chromatic value, it indicates in the Rigvedic poetries the intermediate time linking day and night. [less ▲]

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See detailAutocrine/paracrine activation of the GABA(A) receptor inhibits the proliferation of neurogenic polysialylated neural cell adhesion molecule-positive (PSA-NCAM+) precursor cells from postnatal striatum.
Nguyen, Laurent ULiege; Malgrange, Brigitte ULiege; Breuskin, Ingrid ULiege et al

in Journal of Neuroscience (2003), 23(8), 3278-94

GABA and its type A receptor (GABA(A)R) are present in the immature CNS and may function as growth-regulatory signals during the development of embryonic neural precursor cells. In the present study, on ... [more ▼]

GABA and its type A receptor (GABA(A)R) are present in the immature CNS and may function as growth-regulatory signals during the development of embryonic neural precursor cells. In the present study, on the basis of their isopycnic properties in a buoyant density gradient, we developed an isolation procedure that allowed us to purify proliferative neural precursor cells from early postnatal rat striatum, which expressed the polysialylated form of the neural cell adhesion molecule (PSA-NCAM). These postnatal striatal PSA-NCAM+ cells were shown to proliferate in the presence of epidermal growth factor (EGF) and formed spheres that preferentially generated neurons in vitro. We demonstrated that PSA-NCAM+ neuronal precursors from postnatal striatum expressed GABA(A)R subunits in vitro and in situ. GABA elicited chloride currents in PSA-NCAM+ cells by activation of functional GABA(A)R that displayed a typical pharmacological profile. GABA(A)R activation in PSA-NCAM+ cells triggered a complex intracellular signaling combining a tonic inhibition of the mitogen-activated protein kinase cascade and an increase of intracellular calcium concentration by opening of voltage-gated calcium channels. We observed that the activation of GABA(A)R in PSA-NCAM+ neuronal precursors from postnatal striatum inhibited cell cycle progression both in neurospheres and in organotypic slices. Furthermore, postnatal PSA-NCAM+ striatal cells synthesized and released GABA, thus creating an autocrine/paracrine mechanism that controls their proliferation. We showed that EGF modulated this autocrine/paracrine loop by decreasing GABA production in PSA-NCAM+ cells. This demonstration of GABA synthesis and GABA(A)R function in striatal PSA-NCAM+ cells may shed new light on the understanding of key extrinsic cues that regulate the developmental potential of postnatal neuronal precursors in the CNS. [less ▲]

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See detailDetuning effects in the one-photon mazer
Bastin, Thierry ULiege; Martin, John ULiege

in Physical Review. A (2003), 67

The quantum theory of the mazer in the nonresonant case (a detuning between the cavity mode and the atomic transition frequencies is present) is described. The generalization from the resonant case is far ... [more ▼]

The quantum theory of the mazer in the nonresonant case (a detuning between the cavity mode and the atomic transition frequencies is present) is described. The generalization from the resonant case is far from being direct. Interesting effects of the mazer physics are pointed out. In particular, it is shown that the cavity may slow down or speed up the atoms according to the sign of the detuning and that the induced emission process may be completely blocked by use of a positive detuning. It is also shown that the detuning adds a potential step effect not present at resonance and that the use of positive detunings defines a well-controlled cooling mechanism. In the special case of a mesa cavity mode function, generalized expressions for the reflection and transmission coefficients have been obtained. The general properties of the induced emission probability are finally discussed in the hot, intermediate, and cold atom regimes. Comparison with the resonant case is given. [less ▲]

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See detailLa responsabilité pénale des personnes morales : question de droit transitoire
Michiels, Olivier ULiege

in Journal du Juriste (2003), (22), 16

L'article 5 alinéa 2 du Code pénal permet de poursuivre pénalement des personnes morales. Il offre également à la personne physique identifiée, qui serait poursuvie en même temps que la personne morale ... [more ▼]

L'article 5 alinéa 2 du Code pénal permet de poursuivre pénalement des personnes morales. Il offre également à la personne physique identifiée, qui serait poursuvie en même temps que la personne morale, la possibilité de se prévaloir, si l'infraction n'a été commise ni sciemment, ni volontairement, d'une cause d'excuse absolutoire. L'article fait le point sur la question du droit transitoire applicable à ce nouveau régime. [less ▲]

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See detailInterprétation géométrique de la régression
Iemma, A. F.; Palm, Rodolphe ULiege

in Notes de Statistique et d'Informatique (2003), (2), 1-28

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See detailPièges de la chirurgie coelioscopique: comment faire face aux complications?
Joris, Jean ULiege; Kaba, Abdourahmane ULiege

in Praticien en Anesthésie Réanimation (Le) (2003), 7(5), 339-345

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See detailFirst-principles calculation of the band offset at BaO/BaTiO3 and SrO/SrTiO3 interfaces
Junquera, J.; Zimmer, M.; Ordejon, P. et al

in Physical Review. B, Condensed Matter and Materials Physics (2003), 67

We report first-principles density-functional pseudopotential calculations on the atomic structures, electronic properties, and band offsets of BaO/BaTiO3 and SrO/SrTiO3 nanosized heterojunctions grown on ... [more ▼]

We report first-principles density-functional pseudopotential calculations on the atomic structures, electronic properties, and band offsets of BaO/BaTiO3 and SrO/SrTiO3 nanosized heterojunctions grown on top of a silicon substrate. The density of states at the junction does not reveal any electronic induced interface states. A dominant perovskite character is found at the interface layer. The tunability of the band offset with the strain conditions imposed by the substrate is studied. Using previously reported theoretical data available for Si/SrO, Si/BaO, SrTiO3/Pt, and BaTiO3/SrRuO3 interfaces we extrapolate the band alignments along two gate stacks of technological interest: Si/SrO/SrTiO3/Pt and Si/BaO/BaTiO3/SrRuO3 heterostructures. [less ▲]

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See detailLe parcours scolaire fait toute la différence
Lafontaine, Dominique ULiege; Demeuse, Marc ULiege

in Wallonie (2003), 76

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See detailClassification of Crohn's disease - Vienna and Beyond
Louis, Edouard ULiege; Belaiche, Jacques ULiege

in Inflammatory Bowel Disease Monitor (2003), 5

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See detailLe développement de la filière "Poulet d'Ardenne" en Région Wallonne
Leroy, Pascal ULiege

in Troupeaux et cultures des tropiques (2003), 2

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See detailL'image du mois. Myiase furonculoide americaine.
Leonard, Philippe ULiege; Martalo, O.; Pierard, Gérald ULiege

in Revue Médicale de Liège (2003), 58(12), 721-2

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See detailUtilisation du tableur Excel pour le remboursement d'un emprunt par une annuité
Henry, Valérie ULiege; Coolen, Annette ULiege

in Mathématique et Pédagogie (2003), 143

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See detailTandem high-dose therapy (HDT) for multiple myeloma: recombinant human erythropoietin therapy given between first and second HDT allows second peripheral blood stem cell transplantation without red blood cell transfusion.
Baron, Frédéric ULiege; Frere, Pascale ULiege; Fillet, Georges ULiege et al

in British Journal of Haematology (2003), 123(1), 103-5

We evaluated the ability of recombinant human erythropoietin (rHuEpo) therapy, given before high-dose therapy (HDT), to allow autologous peripheral blood stem cell transplantation (PBSCT) without red ... [more ▼]

We evaluated the ability of recombinant human erythropoietin (rHuEpo) therapy, given before high-dose therapy (HDT), to allow autologous peripheral blood stem cell transplantation (PBSCT) without red blood cell (RBC) transfusions. Eleven multiple myeloma patients underwent tandem HDT and autologous PBSC, receiving 500 U/kg/week rHuEpo from d 30 after initial transplant. Haemoglobin levels were 9.5 +/- 1.1 g/dl and 12.5 +/- 0.9 g/dl at the first and second transplant respectively (P < 0.001). RBC transfusions were required for 10/11 patients for the first transplant versus 1/11 for the second (P < 0.001). To conclude, a short course of rHuEpo therapy before HDT facilitates the performance of an autologous transplant without RBC transfusions. [less ▲]

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See detailUtilisation des scories métallurgiques en dynamique fluviale : détermination de la compétence effective des rivières et estimation des vitesses de progression de la charge de fond.
Houbrechts, Geoffrey ULiege; Petit, François ULiege

in Géomorphologie : Relief, Processus, Environnement (2003), (1), 3-12

Les compétences effectives de trois rivières du nord de l’Ardenne (Belgique) ont pu être estimées grâce à la présence de nombreuses macroscories dans leur charge de fond. En effet, ces scories, rejetées ... [more ▼]

Les compétences effectives de trois rivières du nord de l’Ardenne (Belgique) ont pu être estimées grâce à la présence de nombreuses macroscories dans leur charge de fond. En effet, ces scories, rejetées par les anciens fondeurs dans les rivières, ont été soumises, pendant plusieurs siècles, à de nombreuses crues mobilisatrices. Par conséquent, elles peuvent être considérées comme un marqueur représentatif de la compétence effective des rivières sur une très longue période et sur une grande distance. Ainsi, en comparant la taille des scories en amont et en aval d’un secteur de pertes karstiques (plusieurs kilomètres), nous avons montré que ces pertes n’entraînent pas de baisse sensible de la compétence de la rivière. Une relation entre la taille des scories prélevées et les puissances spécifiques développées dans les secteurs de prélèvement a également été établie. Cette relation montre que le maximum de puissance spécifique des rivières ardennaises se produit dans les rivières dont le bassin versant est voisin de 150 km². Finalement, des scories retrouvées dans l’Ourthe, environ 10 km en aval du site de production le plus proche, ont été utilisées pour évaluer la vitesse de progression de la « vague sédimentaire ». En effet, ces scories sont soumises aux mêmes conditions hydrologiques et de piégeage que les éléments naturels de la charge de fond. Après avoir daté le début du fonctionnement du site de production le plus proche (1450), nous avons calculé la vitesse de progression des scories qui est comprise entre 1,8 et 2,3 km/siècle. [less ▲]

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See detailRadiothérapie métabolique des douleurs osseuses d'origine métastatique : nouveaux traitements, nouvelles pratiques
Hustinx, Roland ULiege; Paulus, Patrick

in Annales de l'Association Belge de Radioprotection = Annalen van de Belgische Vereniging voor Stralingsbescherming (2003), 28

Le traitement palliatif des douleurs osseuses liées à la dissémination métastatique s'est récemment enrichi d'une molécule, le 153Sm-EDTMP (Quadramet). Le traitement classique faisait appel au Strontium ... [more ▼]

Le traitement palliatif des douleurs osseuses liées à la dissémination métastatique s'est récemment enrichi d'une molécule, le 153Sm-EDTMP (Quadramet). Le traitement classique faisait appel au Strontium-89 (Métastron). Alors que ce dernier est un émetteur bêta pur, de longue demi-vie (50,5 jours), le 153Sm émet également un rayonnement gamma de 103 keV, et sa période physique est de 1,95 jours. Dans cet exposé nous envisagerons, du point de vue de la radioprotectio, les propriétés pharmacocinétiques du radiopharmaceutique et les caractéristiques physiques du 153Sm. Nous relaterons également l'expérience acquise dans notre centre avec le 186Re-HEDP. [less ▲]

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See detailCutaneous psammomatous melanotic schwannoma: non-recurrence with surgical excision.
Claessens, Nadine; Heymans, Olivier; Arrese Estrada, Jorge ULiege et al

in American Journal of Clinical Dermatology (2003), 4(11), 799-802

BACKGROUND: Melanotic schwannoma is a pigmented nerve tumor that may be located in the skin and express local aggressivity. This tumor may occur singly. It may also be part of the Carney complex which ... [more ▼]

BACKGROUND: Melanotic schwannoma is a pigmented nerve tumor that may be located in the skin and express local aggressivity. This tumor may occur singly. It may also be part of the Carney complex which consists of various, but specific, tumors. OBJECTIVE: We report two cases of subcutaneous melanotic schwannoma localized on the trunk in two men aged 37 and 45 years. METHODS: Conventional histology and immunohistochemistry were performed. RESULTS: One melanotic schwannoma was associated with a cutaneous atypical myxoma and multiple melanocytic lesions, all being part of the Carney complex. The other case had no associated signs. In both cases, the melanotic schwannoma was completely excised and did not recur. CONCLUSION: Melanotic schwannoma is rare and curable by surgery. It must not be confused with malignant melanoma and other pigmented neoplasms. The Carney complex should be carefully ruled out. [less ▲]

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See detailMons/Maisières : les occupations paléolithiques de "l'Atelier de Taille de la Berge Nord-Est" à Maisières-Canal
Miller, Rebecca ULiege; Guillaume, Alain; Otte, Marcel ULiege

in Chronique de l'Archéologie Wallonne (2003), 11

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See detailLe point sur la place du Robinier en Hongrie
Fourbisseur, Anne; Charron, Stéphane; Jourez, Benoît ULiege et al

in Forêt Wallonne (2003), (67), 26-30

Le robinier est une des deux essences les plus importantes en Hongrie1-2. Ce pays est mondialement reconnu comme chef de file pour la gestion de la ressource en robinier, depuis la <br />recherche en ... [more ▼]

Le robinier est une des deux essences les plus importantes en Hongrie1-2. Ce pays est mondialement reconnu comme chef de file pour la gestion de la ressource en robinier, depuis la <br />recherche en amélioration génétique jusqu’à la valorisation industrielle de son bois. Cet article se propose de faire la synthèse des connaissances acquises en Hongrie sur le développement de la <br />filière bois du robinier. L’objectif est de partager l’expérience hongroise avec ceux qui intéressent à cette essence à haut potentiel. Un bref historique de l’implantation du robinier dans ce pays sera exposé et suivi de l’état actuel de la ressource et d’une présentation succincte <br />des caractéristiques climatiques et édaphiques propres à la Hongrie. La sylviculture propre au robinier sera détaillée et les principales utilisations des produits ligneux seront décrites. Cette ynthèse s’achèvera avec la présentation de la collaboration sur le thème du robinier conclue <br />entre la Région wallonne, la Communauté française de Belgique et la République de Hongrie. [less ▲]

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See detailLipides, dépression et suicide
Colin, A.; Reggers, Jean ULiege; Castronovo, Vincenzo ULiege et al

in Encéphale (L') (2003), 29(1, JAN-FEB), 49-58

Polyunsatured fatty acids are made out of a hydrocarbonated chain of variable length with several double bonds. The position of the first double bond (omega; omega) differentiates polyunsatured omega3 ... [more ▼]

Polyunsatured fatty acids are made out of a hydrocarbonated chain of variable length with several double bonds. The position of the first double bond (omega; omega) differentiates polyunsatured omega3 fatty acids (for example : alpha-linolenic acid or alpha-LNA) and polyunsatured omega6 fatty acids (for example : linoleic acid or LA). These two classes of fatty acids are said to be essential because they cannot be synthetised by the organism and have to be taken from alimentation. The omega3 are present in linseed oil, nuts, soya beans, wheat and cold water fish whereas omega6 are present in maize, sunflower and sesame oil. Fatty acids are part of phospholipids and, consequently, of all biological membranes. The membrane fluidity, of crucial importance for its functionning, depends on its lipidic components. Phospholipids composed of chains of polyunsatured fatty acids increase the membrane fluidity because, by bending some chains, double bonds prevent them from compacting themselves perfectly. Membrane fluidity is also determined by the phospholipids/free cholesterol ratio, as cholesterol increases membrane viscosity. A diet based on a high proportion of essential polyunsatured fatty acids (fluid) would allow a higher incorporation of cholesterol (rigid) in the membranes to balance their fluidity, which would contribute to lower blood cholesterol levels. Brain membranes have a very high content in essential polyunsatured fatty acids for which they depend on alimentation. Any dietary lack of essential polyunsatured fatty acids has consequences on cerebral development, modifying the activity of enzymes of the cerebral membranes and decreasing efficiency in learning tasks. Epidemiological data - The prevalence of depression seems to increase continuously since the beginning of the century. Though different factors most probably contribute to this evolution, it has been suggested that it could be related to an evolution of alimentary patterns in the Western world, in which polyunsatured omega fatty acids contained in fish, game and vegetables have been largely replaced by polyunsatured omega6 fatty acids of cereal oils. Some epidemiological data support the hypothesis of a relation between lower depression and/or suicide rates and a higher consumption of fish. These data do not however prove a relation of causality. Cholesterol and depression - Several cohort studies (on nondepressed subjects) have assessed the relationship between plasma cholesterol and depressive symptoms with contradictory results. Though some results found a significant relationship between a decrease of total cholesterol and high scores of depression, some other did not. Studies among patients suffering from major depression signalled more constantly an association between low cholesterol and major depression. Besides, some trials showed that clinical recovery maybe associated with a significant increase of total cholesterol. Cholesterol and suicidal behaviour - The hypothesis that a low cholesterol level may represent a suicidal risk factor was discovered accidentally following a series of epidemiological studies which revealed an increase of the suicidal risk among subjects with a low cholesterol level. Though some contradictory studies do exist, this relationship has been confirmed by several subsequent cohort studies. These findings have challenged the vast public health programs aimed at promoting the decrease of cholesterol, and even suggested to suspend the administration of lipid lowering drugs. Recent clinical studies on populations treated whith lipid lowering drugs showed nevertheless a lack of significant increase of mortality, either by suicide or accident. In addition, several controlled studies among psychiatric patients revealed a decrease of the concentrations of plasma cholesterol among patients who had attempted suicide in comparison with other patients. Polyunsaturated fatty acids and depression - In major depression, all studies revealed a significant decrease of the polyunsaturated omega3 fatty acids and/or an increase of the omega6/omega3 ratio in plasma and/or in the membranes of the red cells. In addition, two studies found a higher severity of depression when the level of polyunsaturated omega fatty acids or the ratio omega3/omega6 was low. Parallel to these modifications, other biochemical perturbations have been reported in major depression, particularly an activation of the inflammatory response system, resulting in an increase of the pro-inflammatory cytokines (interleukins: IL-1beta, IL-6 and interferon gamma) and eicosanoids (among others, prostaglandin E2) in the blood and the CSF of depressed patients. These substances cause a peroxidation and, consequently a catabolism of membrane phospholipids, among others those containing polyunsaturated fatty acids. The cytokines and eicosanoids derive from polyunsaturated fatty acids and have opposite physiological functions according to their omega or omega6 precursor. Arachidonic acid (omega6) is, among others, precursor of pro-inflammatoty prostaglandin E2 (PGE2), whereas polyunsaturated W fatty acids inhibit the formation of PGE2. It has been shown that a dietary increase of polyunsaturated W fatty acids reduced strongly the production of IL-1beta, IL-2, IL-6 and TNF-alpha (tumor necrosis factor-alpha). In contrast, diets with a higher supply of linoleic acid (omega6) increased significantly the production of pro-inflammatory cytokines, like TNF-alpha. Therefore, polyunsaturated omega3 fatty acids could be associated at different levels in the pathophysiology of major depression, on the one hand through their role in the membrane fluidity which influences diverse steps of neurotransmission and, on the other hand, through their function as precursor of pro-inflammatory cytokines and eicosanoids disturbing neurotransmission. In addition, antidepressants could exhibit an immunoregulating effect by reducing the release of pro-inflammatory cytokines, by increasing the release of endogenous antagonists of pro-inflammatory cytokines like IL-10 and, finally, by acting like inhibitors of cyclo-oxygenase. Therapeutic use of fatty acids - Data available concerning the administration of supplements of DHA (docosahexanoic acid) or other polyunsaturated fatty acids omega3 are limited. In a double blind placebo-controlled study on 30 patients with bipolar disorder, the addition of polyunsaturated omega3 fatty acids was associated with a longer period of remission. Moreover, nearly all the other prognosis measures were better in the omega3 group. Very recently, a controlled trial showed the benefits of adding an omega3 fatty acid, eicosopentanoic acid, among depressed patients. After 4 weeks, six of the 10 patients receiving the fatty acid were considered as responders in comparison with only one of the ten patients receiving placebo. Conclusions Some epidemiological, experimental and clinical data favour the hypothesis that polyunsaturated fatty acids could play a role in the pathogenesis and/or the treatment of depression. More studies however are needed in order to better precise the actual implication of those biochemical factors among the various aspects of depressive illness. [less ▲]

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See detailPhase III randomized study comparing 5 or 10 microg per kg per day of filgrastim for mobilization of peripheral blood progenitor cells with chemotherapy, followed by intensification and autologous transplantation in patients with nonmyeloid malignancies.
Andre, Marc; Baudoux, Etienne ULiege; Bron, Dominique et al

in Transfusion (2003), 43(1), 50-7

BACKGROUND: It is not known whether increasing the dose of filgrastim after mobilizing chemotherapy improves collection of peripheral blood progenitor cells (PBPC) and leads to faster hematopoietic ... [more ▼]

BACKGROUND: It is not known whether increasing the dose of filgrastim after mobilizing chemotherapy improves collection of peripheral blood progenitor cells (PBPC) and leads to faster hematopoietic engraftment after autologous transplantation. STUDY DESIGN AND METHODS: A randomized, open-label, multicenter trial was carried out in patients with breast cancer, multiple myeloma, and lymphoma, in which patients were randomized to receive 5 or 10 microg per kg per day of filgrastim after standard chemotherapy to mobilize PBPCs. After high-dose chemotherapy, the components from the first two leukapheresis procedures were returned, and all patients received 5 microg per kg day of filgrastim after transplantation. RESULTS: A total of 131 patients were randomized, of whom 128 were mobilized (Group A, 5 microg/kg, n = 66; Group B, 10 microg/kg, n = 62) and 112 were transplanted. Only six patients were not transplanted because of insufficient CD34+ cell numbers. The median number of CD34+ cells collected in the first two leukapheresis procedures tended to be higher in Group B than in Group A (12.0 vs. 7.2 x 10(6)/kg, NS), but after transplantation there was no significant difference in median times to platelet (9 days in both groups) or neutrophil (8 days in both groups) engraftment or the number of platelet transfusions (three in both groups). A subsequent subgroup analysis separating patients transplanted after first- or second-line chemotherapy also showed no measurable impact of filgrastim dose on the median CD34+ cell yield or on platelet engraftment in either subgroup. CONCLUSION: PBPC mobilization with chemotherapy and 5 microg per kg of filgrastim is very efficient, and 10 microg per kg of filgrastim does not provide additional clinical benefit. [less ▲]

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See detailAnalysis of soil and crop properties for precision agriculture for winter wheat
Vrindts, Els; Reyniers, Marieke; Darius, Paul et al

in Biosystems Engineering (2003), 85(2), 141-152

In a precision farming research project financed by the Belgian Ministry of Small Trade and Agriculture, the methods of precision agriculture are tested on grain fields with a view of implementation of ... [more ▼]

In a precision farming research project financed by the Belgian Ministry of Small Trade and Agriculture, the methods of precision agriculture are tested on grain fields with a view of implementation of precision agriculture methods in Belgian field agriculture. The project encompasses methods for automatic information gathering on soil and crop and analysis of this data for management of within-field variability. Automatic information capturing is combined with traditional data sources of soil sample analysis and crop observations. The measurements and part of the results on one particular field in Sauvenière are presented here. Five nitrogen management strategies were compared, but the resulting differences in nitrogen dose were small and did not lead to significantly different yield results. The yield results were correlated to topography-related variations in soil texture and chemical components and to crop reflectance measurements in May. [less ▲]

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See detailA propos de la prescription des mensualités d'un crédit
Biquet, Christine ULiege

in Annuaire juridique du crédit et du règlement collectif de dettes (2003)

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See detailCompte rendu de l'ouvrage de M. Lamy : L'Immaculée Conception
Delfosse, Annick ULiege

in Moyen Age (Le) (2003), 109(2), 388-389

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See detailPlacental proteins secreted in maternal circulation: useful indicators for both pregnancy diagnosis and embryonic mortality in bovine species
Moreira da Silva, F.; Melo de Sousa, Noelita ULiege; Figueiredo, J. R. et al

in Revista Portuguesa de Zootecnia (2003), 10(1), 99-121

During the last decades, several research groups developed investigations in order to characterize proteins or glycoproteins synthesized by ruminant placenta. As result of these investigations, a large ... [more ▼]

During the last decades, several research groups developed investigations in order to characterize proteins or glycoproteins synthesized by ruminant placenta. As result of these investigations, a large family of pregnancy-associated glycoproteins was identified in bovine ovine and caprine placenta. By using molecular biology techniques, it was demonstrated that they are members of the aspartic proteinase superfamily, in which they co-exist with pepsinogens, renin, cathepsin D and E, etc. Due to their secretion in large amounts by the trophoblastic binucleated cells, bovine PAGs are detectable in maternal circulation soon after implantation. In the present work, in addition to the physiological and biochemical characterization of bovine PAGs, it will be showed how the measurement of PAG concentrations in maternal blood is useful for both pregnancy confirmation and follow-up of the fetus-placental well-being. Available information related to other placental proteins will be also discussed. [less ▲]

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See detailComment je traite ... les troubles de la magnésémie
Guillaume, Thierry; Krzesinski, Jean-Marie ULiege

in Revue Médicale de Liège (2003), 58(7-8), 465-467

Because symptoms associated with hypomagnesia are highly aspecific, this ionic abnormality is rarely searched for although it could be present in as much as 20 % of the population. The mode of correction ... [more ▼]

Because symptoms associated with hypomagnesia are highly aspecific, this ionic abnormality is rarely searched for although it could be present in as much as 20 % of the population. The mode of correction (oral or intravenous) depends on the etiology, severity and clinical consequences of hypomagnesemia. Significant hypermagnesemia only occurs in the presence of renal insufficiency and/or acute excess administration, mainly by the intravenous route. If interruption of administration does not suffice, renal dialysis might become necessary to quickly correct the magnesemium serum levels. [less ▲]

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See detailThe lichen genus Caprettia Bat. & H. Maia
Sérusiaux, Emmanuël ULiege; Lücking, Robert

in Bibliotheca Lichenologica (2003), 86

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See detailFirst-principles calculation of the electronic, dielectric, and dynamical properties of CaF2
Verstraete, Matthieu ULiege; Gonze, Xavier

in Physical Review. B : Condensed Matter (2003), 68

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See detailFunctional identification of epithelial and smooth muscle histamine-dependent relaxing mechanisms in the bovine trachea, but not in bronchi
Jolly, Sandra ULiege; Desmecht, Daniel ULiege

in Comparative Biochemistry & Physiology Part C : Toxicology & Pharmacology (2003), 134(1), 91-100

Theoretically, the overall effect of histamine on respiratory smooth muscle is the result of a subtle balance of contraction and relaxation. The aim of the study was to identify histamine type 2 (H2) and ... [more ▼]

Theoretically, the overall effect of histamine on respiratory smooth muscle is the result of a subtle balance of contraction and relaxation. The aim of the study was to identify histamine type 2 (H2) and 3 (H3) receptor-dependent relaxing mechanisms in the contractile elements of the bovine tracheobronchial tree. In bronchial preparations, histamine induced very weak contractions, which were not exacerbated with the H2-antagonist cimetidine. Moreover, precontracted bronchial rings never relaxed in response to cumulative doses of histamine or amthamine (H2-agonist). In intact tracheal preparations, histamine induced strong contractions that were exacerbated by cimetidine (E-max : + 17.2 +/- 6.6%) but not by thioperamide (H3-antagonist). Precontracted tracheal bundles did not relax in response to cumulative doses of the H3-agonist R-alpha-methylhistamine. The tracheal contractile response was higher in denuded compared to intact preparations (11.0+/-1.2 vs. 6.0+/-1.7 g). Cimetidine effect was dramatically potentiated in denuded tracheal strips (+40.0+/-11.7%). It is concluded that the weak response. of bovine bronchi to histamine is due to a relative scarcity of H1 receptors on bronchial smooth muscle rather than to H2- or H3-dependent relaxation. In the bovine trachea, the smooth muscle possesses relaxing H2 but no H3 receptors. The epithelium exercises a relaxation, which is independent from H2 and H3 receptors. (C) 2002 Elsevier Science Inc. All rights reserved. [less ▲]

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See detailAb initio study of MoS2 nanotube bundles
Verstraete, Matthieu ULiege; Charlier, Jean-Christophe

in Physical Review. B : Condensed Matter (2003), 68

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See detailOstie : la reprise des fouilles sur le site de la Schola du Trajan.
Morard, Thomas ULiege

in Mélanges de l'Ecole Française de Rome. Italie et Méditérranée (2003), 115(1), 433-443

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See detailPrediction of organoleptic and technological characteristics of pork meat by near infrared spectroscopy
Meulemans, A.; Dotreppe, Olivier ULiege; Leroy, Bernadette ULiege et al

in Sciences des Aliments (2003), 23(1), 159-162

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See detailStromatopogon cladoniae sp. nova, a remarkable new lichenicolous coelomycete from Belgium
Diederich, Paul; Sérusiaux, Emmanuël ULiege

in Bibliotheca Lichenologica (2003), 86

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See detailA 3-D Magnetic Vector Potential Formulation Taking Eddy Currents in Lamination Stacks Into Account
Dular, Patrick ULiege; Gyselinck, J.; Geuzaine, Christophe ULiege et al

in IEEE Transactions on Magnetics (2003), 39(3), 1424--1427

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See detailArterial embolization as a treatment of chronic edema following free cutaneous flap transfer to the lower limbs.
Tchuisse, Charlemagne Noukoua; Barah, Ali; NCHIMI LONGANG, Alain ULiege et al

in Cardiovascular & Interventional Radiology (2003), 26(3), 316-8

Persisting chronic edema following postoperative free flap transfer is a common complication. We report 3 cases of successful treatment by selective arterial embolization of the feeding arterial branches ... [more ▼]

Persisting chronic edema following postoperative free flap transfer is a common complication. We report 3 cases of successful treatment by selective arterial embolization of the feeding arterial branches without side effect. One session embolization is advocated as a first line treatment of this condition. [less ▲]

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See detailOptimisation du protocole GPG
Hanzen, Christian ULiege; Boudry, B.

in Point Vétérinaire (2003), 34(240), 44-46

Les facteurs susceptibles d’influencer les performances de reproduction permises par le protocole GPG sont multiples. L’apparition de l’oestrus et sa durée, la fréquence de l’ovulation, la croissance ... [more ▼]

Les facteurs susceptibles d’influencer les performances de reproduction permises par le protocole GPG sont multiples. L’apparition de l’oestrus et sa durée, la fréquence de l’ovulation, la croissance folliculaire, tout comme la progestéronémie, sont susceptibles d’être influencés par le stade du cycle auquel le protocole est mis en place. Le taux de gestation est d’autant plus élevé que la proportion d’animaux en anoestrus dans le troupeau est faible. Ceci explique sans doute en partie pourquoi la fertilité se trouve améliorée lorsque l’insémination suivant le traitement est effectuée après le 75e jour de lactation. De même, des résultats préliminaires confirment l’application potentielle du protocole au traitement des kystes ovariens. [less ▲]

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See detailLa beauté cachée du lait: enfance et boisson chez Eugène Savitzkaya
Demoulin, Laurent ULiege

in Textyles : Revue des Lettres Belges de Langue Française (2003), 23

Parcours dans l'oeuvre d'Eugène Savitzkaya. Examen du thème de l'enfance à travers le motif symbolique récurrent du lait.

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See detailLes onychomycoses--echec et mat?
Arrese Estrada, Jorge ULiege; Quatresooz, Pascale ULiege; Pierard, Claudine ULiege et al

in Revue Médicale de Liège (2003), 58(9), 559-62

According to individuals, onychomycoses or their treatments can be held in check. Some of the "promises" sometimes offered by pharmaceutical companies are not fully kept and hopes of cure may remain wild ... [more ▼]

According to individuals, onychomycoses or their treatments can be held in check. Some of the "promises" sometimes offered by pharmaceutical companies are not fully kept and hopes of cure may remain wild. Some special therapeutic strategies should be employed in case of recalcitrant or recurrent onychomycosis. [less ▲]

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See detailInfluence of response factors on determining equilibrium association constants of non-covalent complexes by electrospray ionization mass spectrometry
Gabelica, Valérie ULiege; Galic, Nives; Rosu, Frédéric ULiege et al

in Journal of Mass Spectrometry [=JMS] (2003), 38(5), 491-501

A method for determining the equilibrium association constant of a complexation reaction A + B <=> AB by electrospray ionization mass spectrometry is described. The method consists in measuring the ... [more ▼]

A method for determining the equilibrium association constant of a complexation reaction A + B <=> AB by electrospray ionization mass spectrometry is described. The method consists in measuring the relative intensities of the peaks corresponding to A and to AB in equimolar A–B solutions at different concentrations C0. The results are fitted by a non-linear least-squares procedure, with the two variable parameters being the equilibrium association constant Ka and a factor R, defined by I(AB)/I.A/ = R× [AB]/[A]. The factor R is the ratio between the response factors of AB and A, and corrects for the relative electrospray responses of the complex and the free substrate A, mass discrimination of instrumental origin and/or moderate in-source dissociation. The method is illustrated with the following two systems: complexes between a double-stranded 12-base pair oligonucleotide and minor groove binders, and cyclodextrin complexeswith a,!-dicarboxylic acids. For the oligonucleotide complexes, it is found that the response of the complex is not dramatically different to the response of the free oligonucleotide duplex, as the double helix conformation is disturbed by the drug only to a minor extent. In the case of cyclodextrin complexes, these complexes were found to have a much higher response than free cyclodextrin. This may be due to the fact that cyclodextrin is neutral in solution, whereas the complex is charged, but it can also stem from the fact that a significant proportion of the complex is in a non-inclusion geometry. The present method requires the exact determination of the concentrations of the reactants and is applicable to 1 : 1 complexes. [less ▲]

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See detailEffect of somatic growth, strain and sex on double-chamber plethysmographic respiratory function values in healthy mice
Flandre, Thierry; Leroy, Pascal ULiege; Desmecht, Daniel ULiege

in Journal of Applied Physiology (2003), 94

Double-chamber plethysmography has been recognized since 1979 as a reference technique to measure pulmonary function values in guinea pigs, but it has not gained attention for use in mice. Theoretically ... [more ▼]

Double-chamber plethysmography has been recognized since 1979 as a reference technique to measure pulmonary function values in guinea pigs, but it has not gained attention for use in mice. Theoretically, however, this technique combines the advantages of single-chamber plethysmography with a quantitative assessment of flow and/or volume and a calculated resistance, the interpretation of which in terms of bronchoconstriction is not disputed. Here we show that, when appropriately preconditioned, mice are able to gradually grow accustomed to the apparatus and display extremely stable nasal and thoracoabdominal flow tracings. Overall, strain, sex, and somatic growth had a significant effect on pulmonary function values. The changes in specific airway resistance (sRaw) and enhanced pause (Penh) values were never in the same direction, indicating that they measure different things. The respiratory frequency was far higher in C57BL/6 compared with BALB/c mice. Peak flows, minute volume, specific tidal and minute volumes, and sRaw were also higher, but Penh was smaller. Males breathed at a higher frequency than females, leading to a higher minute volume. Nevertheless, the specific volumes were considerably higher among females. Penh was lower in males, whereas sRaw was identical in both sexes. Changes associated with somatic growth were rapid and important between 5 and 9 wk, then slowed down between 9 and 12-13 wk and became almost imperceptible after. [less ▲]

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See detailFunctional neuroimaging of auditory processing
Laureys, Steven ULiege; Salmon, Eric ULiege; Goldman, Serge et al

in Acta Oto-Rhino-Laryngologica Belgica (2003), 57(4), 267-273

There is a complex functional organization of the central auditory system from the brainstem to primary and associative auditory cortices. Functional neuroimaging has been used to visualize and confirm ... [more ▼]

There is a complex functional organization of the central auditory system from the brainstem to primary and associative auditory cortices. Functional neuroimaging has been used to visualize and confirm the spatial distribution of brain activation in temporal areas for the processing of simple acoustic stimuli. Brain activity is much more complex for words, and different networks can be recruited when phonological, lexical and semantic levels of processing are engaged. [less ▲]

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See detailReal-time reconstruction of the vertical electron density distribution from GPS TEC measurements
Stankov, Stanimir; Warnant, René ULiege; Jodogne, Jean-Claude

in Acta Geodaetica et Geophysica Hungarica (2003), 38(4), 377-388

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See detailInduction et synchronisation de l'oestrus par la PGF2alpha
Hanzen, Christian ULiege; Boudry, B.; Drion, Pierre ULiege

in Point Vétérinaire (2003), 34(236), 22-23

Hormonal management of reproduction uses treatments that regulate both luteal activity and follicular growth to achieve expulsion in the shortest period of an oocyte capable of being fertilised. Therefore ... [more ▼]

Hormonal management of reproduction uses treatments that regulate both luteal activity and follicular growth to achieve expulsion in the shortest period of an oocyte capable of being fertilised. Therefore, PgF2alpha has been the object of numerous trials either as sin e or repeated injections, alone or in association with other hormones such as gonadorelin. Systematic insemination is more difficult after a single injection because return to ea is variable. A single injection is better for the physiology of follicular growth than the corpus luteum. Use of a double injection of PgF2alpha improves the degree of synchronisation but doesn't affect the ovulation rate. [less ▲]

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See detailEtude rétrospective de quarante et un cas d’insuffisance mitrale chez le cheval (1995-2001).
Maurin, Emmanuel; Amory, Hélène ULiege; Sandersen, Charlotte ULiege

in Pratique Vétérinaire Equine (2003), 35

Une étude rétrospective portant sur quarante et un chevaux qui présentent une insuffisance cardiaque mitrale a été réalisée afin de mieux décrire cette affection et de préciser les répercussions médicales ... [more ▼]

Une étude rétrospective portant sur quarante et un chevaux qui présentent une insuffisance cardiaque mitrale a été réalisée afin de mieux décrire cette affection et de préciser les répercussions médicales et sportives liées à cette maladie. L'insuffisance mitrale est diagnostiquée grâce à des examens cliniques et échographiques, puis un questionnaire (évolution clinique et sportive) est adressé aux propriétaires des animaux. L’analyse de ces dossiers permet en particulier d’évaluer, d'une part, l’existence d’une association entre les signes d’insuffisance cardiaque congestive et certaines lésions cardio-vasculaires (lésions valvulaires, dilatation de l’atrium gauche, etc.) ou d'autres symptômes (fibrillation auriculaire, etc.), d'autre part, d’apprécier la corrélation éventuelle entre ces différents symptômes ou lésions et la survie des chevaux affectés. Les résultats ainsi que les biais possibles de cette étude sont ensuite discutés. [less ▲]

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See detailIndole alkaloids from Strychnos species and their antiplasmodial and cytotoxic activities
Frederich, Michel ULiege; Tits, Monique ULiege; Angenot, Luc ULiege

in Chemistry of Natural Compounds (2003), 39(6, NOV-DEC), 513-519

Strychnos species (Loganiaceae) have been studied in the laboratory of Pharmacognosy of the University of Liege for more than fifty years. Although investigations into the Strychnos genus have been going ... [more ▼]

Strychnos species (Loganiaceae) have been studied in the laboratory of Pharmacognosy of the University of Liege for more than fifty years. Although investigations into the Strychnos genus have been going on for a long time in the case of Asian tetanizing and American curarizing species, the first chemical and pharmacological screening on African species was undertaken in the early nineteen fifties by the late Prof A. Denoel (University of Liege, Belgium), who examined twenty-five species of Strychnos collected in the Belgian Congo [1]. This research programme was also an offshoot of an inventory of medicinal and toxic plants in Rwanda, carried out during the years 1969-1970. The Belgian scientists were lucky to observe the tribe of Banyambo, living along the Akagera river on the border between Rwanda and Tanzania, where hunters prepared in front of them an arrow poison with Strychnos usambarensis roots and leaves as the main ingredients [2]. Strychnos species have several ethnobotanical uses. A few species are well known for their incorporation into arrow and ordeal poisons, but play more a role in ethnomedicine against fever, rheumatism, worms, ulcers, leprosy, snake-bites, and so forth [3]. In fact, among about one hundred and ninety species, only six would contain strychnine (1) (Strychnos nux-vomica L. [4-7], S. ignatii P. Bergius [8, 9], and S. wallichiana Steud ex DC. [7, 10] from Asia, S. lucida R. Br. [7, 11] from Australia, S. icaja Baillon [1, 12] from Africa, and S. panamensis [13-15] from South America). Strychnos alkaloids are in fact an example of molecular and pharmacological biodiversity. More than 300 different Strychnos alkaloids have been isolated to date and theypresent various biological activities in several fields: parasitology (amoebiasis, paludism, etc.) [ 16-18], cancer [ 19-22], neurology (tetanizing or curarizing effects) [14, 23, 24-26], inflammation [27], and so on. [less ▲]

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See detailOn the use of control surface excitation in flutter testing
Wright, Jan R; Wong, Jerry; Cooper, Jonathan E et al

in Proceedings of the Institution of Mechanical Engineers - Part G - Journal of Aerospace Engineering (2003), 217(6), 317-332

Flutter testing is aimed at demonstrating that the aircraft flight envelope is flutter free. Response measurements from deliberate excitation of the structure are used to identify and track frequency and ... [more ▼]

Flutter testing is aimed at demonstrating that the aircraft flight envelope is flutter free. Response measurements from deliberate excitation of the structure are used to identify and track frequency and damping values against velocity. In this paper, the common approach of using a flight control surface to provide the excitation is examined using a mathematical model of a wing and control surface whose rotation is restrained by a simple actuator. In particular, it is shown that it is essential to use the demand signal to the actuator as a reference signal for data processing. Use of the actuator force (or strain) or control angle (or actuator displacement) as a reference signal is bad practice because these signals contain response information. It may also be dangerous in that the onset of flutter may not be seen in the test results. [less ▲]

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