Publications ORBi OA
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See detailAre cardiac markers useful in patients with chronic renal failure?
Chapelle, Jean-Paul ULg

in Clinical Chemistry & Laboratory Medicine (2001), 39(suppl), 36

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See detailClinical applications of cardiac troponins
Chapelle, Jean-Paul ULg

in Acta Clinica Belgica (2001), 56

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See detailRelationship between procalcitonin plasma level and severity of infection
Servais, P.; Nys, Monique ULg; Canivet, Jean-Luc ULg et al

in Intensive Care Medicine (2001), 27(suppl.), 560

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See detailEngineering and manufacturing for biotechnology
Hofman, M.; Thonart, Philippe ULg

Book published by Kluwer academic publishers (2001)

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See detailAssociation between lipoprotein (A) and cardiac troponins in PTCA patients
Lutteri, Laurence ULg; Legrand, Victor ULg; Gielen, Jacques et al

in Clinical Chemistry & Laboratory Medicine (2001), 39(suppl), 278

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See detailRelationship between lipoprotein (a) and cardiac troponins in PTCA patients
Lutteri, Laurence ULg; Legrand, Victor ULg; Gielen, Jacques et al

in Acta Clinica Belgica (2001), 56

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See detailQuelques réflexions à propos de l'incidence des fixations, remises ou redistributions de la cause sur la qualification d'un jugement ou d'un arrêt
Boularbah, Hakim ULg

in Revue de Droit Judiciaire et de la Preuve = Tijdschrift voor Procesrecht en Bewijsrecht (2001)

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See detailConsidérations sur le taux du ressort lorsque les bases de détermination de la valeur du litige font défaut
Boularbah, Hakim ULg

in Revue de Droit Judiciaire et de la Preuve = Tijdschrift voor Procesrecht en Bewijsrecht (2001)

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See detailCompetition between deep impurity and dopant behavior of Mg in GaN Schottky diodes
Schmeits, Marcel; Nguyen, Ngoc Duy ULg; Germain, Marianne

in Journal of Applied Physics (2001), 89

The effect of the deep acceptor Mg on the electrical characteristics of p-doped GaN Schottky diodes is analyzed. The theoretical study is based on the numerical resolution of the basic semiconductor ... [more ▼]

The effect of the deep acceptor Mg on the electrical characteristics of p-doped GaN Schottky diodes is analyzed. The theoretical study is based on the numerical resolution of the basic semiconductor equations, including the continuity equation for the Mg-related acceptor level. It gives the steady-state and small-signal analysis of p-doped GaN:Mg Schottky diodes, yielding as final result the frequency dependent capacitance and conductance of the structure. It is shown that the low-frequency characteristics are determined by the carrier exchange between the Mg related impurity level and the valence band, whereas above the impurity transition frequency, the hole modulation of the depletion layer edge governs the electrical response. Detailed results are shown on the effect of temperature, applied steady-state voltage and series resistance. The study of two back-to-back connected GaN Schottky diodes reveals the appearance of typical features in the electrical characteristics, depending on the respective Schottky barrier height of the two junctions. [less ▲]

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See detailSexual compatibility between two heterochronic morphs in the Alpine newt, Triturus alpestris
Denoël, Mathieu ULg; Poncin, Pascal ULg; Ruwet, Jean-Claude

in Animal Behaviour (2001), 62(3), 559-566

Paedomorphosis, in which individuals retain ancestral characteristics in the adult stage, is widespread in newts and salamanders and is suspected to play an important role in evolution. In some species ... [more ▼]

Paedomorphosis, in which individuals retain ancestral characteristics in the adult stage, is widespread in newts and salamanders and is suspected to play an important role in evolution. In some species, paedomorphosis is facultative with some individuals forgoing metamorphosis. Optimality models have been proposed to explain the maintenance of this polymorphism, but require the integration of reproductive patterns into the models. We investigated the frequencies of inbreeding and outbreeding in two syntopic heterochronic morphs of the Alpine newt. The two morphs are sexually compatible: encounters between and within morphs were equally successful in terms of spermatophore transfer. Behavioural observations were in agreement with the sexual compatibility observed. Nevertheless, paedomorphic males displayed to females less frequently than metamorphic males. The two morphs differ largely on the basis of sexual secondary characteristics, but the majority of these traits did not affect mating success. Because of the large flow of genes between the two heterochronic morphs and because of the absence of spatial and temporal isolation, these results do not support sympatric speciation models, but are in favour of the maintenance of polymorphism in natural populations. (C) 2001 The Association for the Study of Animal Behaviour. [less ▲]

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See detailA STUDY OF VACUUM FREEZE-DRYING OF FROZEN WET PAPERS
Carapelle, Alain ULg; Henrist, Marc; Rabecki, Frédéric ULg

in Drying Technology (2001), 19(6), 1113-1124

Vacuum freeze-drying of frozen wet papers was investigated experimentally. A freeze-drying facility was built to study the process by monitoring the various physical parameters (pressure, sample ... [more ▼]

Vacuum freeze-drying of frozen wet papers was investigated experimentally. A freeze-drying facility was built to study the process by monitoring the various physical parameters (pressure, sample temperature, heater temperature, water content of the sample and cold panel temperature). A simple phenomenological model was developed to explain experimental results. The values of the physical parameters were optimized to make the process cost effective. [less ▲]

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See detailAdvances in Palaeozoic Palynology. PPMB Special Issue in Honour of Dr.Stanislas Loboziak. Abstract volume.
Steemans, Philippe ULg; Servais, T.; Streel, Maurice ULg

Book published by Paleopalyno. Paléobot. Micropal. (2001)

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See detailRésumé C.E. n°89.185, du 31 juillet 2000, Van Den Borre
Delnoy, Michel ULg

in Aménagement - Environnement (2001), 1

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See detailDynamique de modification de l'habitat physique de reproduction des pondeurs lithophiles sous gravier. Cas de deux frayères à ombre dans l'Aisne
Parkinson, Denis; Petit, François ULg; Houbrechts, Geoffrey ULg et al

in Bulletin de la Société Géographique de Liège (2001), 40

D’octobre 1998 à mars 1999, nous avons étudié dans l’Aisne, petit affluent ardennais de l’Ourthe, la dynamique de modification de deux bancs de gravier utilisés comme frayère par l’ombre commun en mars ... [more ▼]

D’octobre 1998 à mars 1999, nous avons étudié dans l’Aisne, petit affluent ardennais de l’Ourthe, la dynamique de modification de deux bancs de gravier utilisés comme frayère par l’ombre commun en mars-avril 1998. L’étude a été réalisée dans deux stations du cours inférieur de l’Aisne où se sont succédé quatre crues morphogènes. Dans chaque station, nous avons déterminé à intervalle d’environ 1 mois, la profondeur d’érosion et la hauteur de dépôt des sédiments (méthode de la barre d’érosion à chaînes), la granulométrie des matériaux des couches de surface et de subsurface, le dépôt des sédiments fins (placement de pièges à sédiments) et la perméabilité du substrat (méthode du standpipe). En complément, nous avons entrepris dans une station de l’Aisne moyenne, une caractérisation de divers éléments de la dynamique fluviale : identification des débits mobilisateurs (par marquage colorimétrique des sédiments en place), estimation de la vitesse de déplacement de la charge de fond (par étude de la dispersion longitudinale de scories, résidu d’anciennes industries métallurgiques) et estimation des quantités de sédiments charriés par la rivière (à partir des données de dragage). [less ▲]

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See detailQualité organoleptique de la viande de porc
Sindic, Marianne ULg; Faes, Th.; Wavreille, J. et al

in L'avenir de la production porcine en wallonie (2001)

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See detailChanges in lipoxygenase and hydroperoxide decomposition activity in tissues cultures of soybean
Fauconnier, Marie-Laure ULg; Mouttalib, A.; Billo, D. et al

in Journal of Plant Physiology (2001), 158(7), 953-955

Glycine max L. tissue cultures were initiated on different media supplemented with appropriate plant growth regulators that specifically induce the formation of callus, root, or shoot primordia ... [more ▼]

Glycine max L. tissue cultures were initiated on different media supplemented with appropriate plant growth regulators that specifically induce the formation of callus, root, or shoot primordia. Exogenously applied hormones resulted in important changes in both Lox and HPO decomposition activity. Lox activity was higher in extracts from tissues cultured in medium supplemented with NAA or 2,4-D, while a lowest activity was recorded in extracts from cultures treated with BA. 13-HPOD was cleaved by all tested extracts, while 13-HPOT and 9-HPOD were cleaved exclusively by extracts from tissues cultured in the presence of BA. [less ▲]

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