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See detailKibaran A-type granitoids and mafic rocks generated by two mantle sources in a late orogenic setting (Burundi)
Tack, Luc; Liégeois, Jean-Paul ULg; Deblond, André et al

in Precambrian Research (1994), 68

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See detailAdvanced endoscopic techniques used in dysfunctional bleeding, fibroids and endometriosis, and the role of gonadotrophin-releasing hormone agonist treatment.
Donnez, Jacques; NISOLLE, Michelle ULg; Clerckx, Françoise et al

in British Journal of Obstetrics & Gynaecology (1994), 101(suppl 10), 2-9

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See detailC'est le bouquet... Histoire d'un ornement typographique liégeois du XVIIIe siècle
Droixhe, Daniel ULg

in Gutenberg-Jahrbuch (1994), 69

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See detailCrystallization and X-ray diffraction study of the Streptomyces K15 penicillin-binding DD-transpeptidase.
Englebert, S.; Charlier, Paulette ULg; Fonze, E. et al

in Journal of Molecular Biology (1994), 241(2), 295-7

The 262 amino acid residue long DD-transpeptidase/penicillin-binding protein of Streptomyces K15 has been crystallized at room temperature by using the hanging drop vapour diffusion technique. The ... [more ▼]

The 262 amino acid residue long DD-transpeptidase/penicillin-binding protein of Streptomyces K15 has been crystallized at room temperature by using the hanging drop vapour diffusion technique. The crystals belong to the orthorhombic space group P2(1)2(1)2(1), with unit cell parameters a = 46.4 A, b = 54.1 A and c = 108.3 A. They contain one protein molecule per asymmetric unit and diffract to about 1.9 A. X-ray data have been collected to 2.0 A from a native crystal. The previously published amino acid sequence of the protein has been corrected at positions 71, 72, 113, 114 and 156. [less ▲]

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See detailCas d'étymologie double dans le FEW (V)
Boutier, Marie-Guy ULg; Büchi, Eva; Chambon, Jean-Pierre et al

in Travaux de linguistique et de philologie (1994), 32

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See detailLate Devonian-Early Carboniferous miospores from the Menen borehole, Namur Synclinorium, Belgium
Loboziak, S.; Streel, Maurice ULg; Dusar, M. et al

in Review of Palaeobotany and Palynology (1994), 80(1/2), 55-63

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See detailImmunological detection of beta-galactosidase-expressing cells by flow cytometry
Vanderplasschen, Alain ULg; Goltz, M.; Hanon, E.

in Biochemica (1994), 3

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See detailEFFECTS OF ELECTROKINETIC CHARACTERISTICS ON THE FORMATION OF A PROTEIN MICROCRYSTALLINE CELLULOSE COMPLEX
Paquot, Michel ULg; GODIN, F.; Dumont de chassart, Q.

in Lebensmittel-Wissenschaft & -Technologie = Food Science & Technology (1994), 27(1), 11-15

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See detailChanges in glucose turnover parameters and improvement of glucose oxidation after 4-week magnesium administration in elderly noninsulin-dependent (type II) diabetic patients.
Paolisso, G.; Scheen, André ULg; Cozzolino, D. et al

in Journal of Clinical Endocrinology and Metabolism (1994), 78(6), 1510-4

The aim of the present study was to investigate the effects of magnesium supplementation on glucose uptake and substrate oxidation in noninsulin-dependent (type II) diabetic patients. Nine elderly non ... [more ▼]

The aim of the present study was to investigate the effects of magnesium supplementation on glucose uptake and substrate oxidation in noninsulin-dependent (type II) diabetic patients. Nine elderly non-obese noninsulin-dependent (type II) diabetic patients, treated by diet only, participated in the study, which was designed as randomized, double blind, and cross-over. Each patient was followed up for a prestudy period of 3 weeks before inviting him/her to receive placebo or magnesium supplementation (15.8 mmol/day) for 4 weeks. At the end of each treatment period, a euglycemic hyperinsulinemic glucose clamp with simultaneous D-[3-3H]glucose infusion and indirect calorimetry was performed. Magnesium supplementation resulted in significantly increased plasma and erythrocyte magnesium levels, whereas body weight and fasting plasma glucose did not change. In the last 60 min of the glucose clamp, insulin-mediated glucose disappearance, total body glucose disposal (24.5 +/- 0.4 vs. 28.2 +/- 0.7 mumol/kg.min; P < 0.005), and glucose oxidation (13.0 +/- 0.4 vs. 16.3 +/- 0.8 mumol/kg.min; P < 0.01) were increased after chronic magnesium supplementation. Endogenous glucose production, nonoxidative glucose disposal, lipid and protein oxidation, and insulin MCR were not affected. In conclusion, a 4-week magnesium supplementation improves insulin sensitivity and glucose oxidation in the course of a euglycemic-hyperinsulinemic glucose clamp in noninsulin-dependent diabetic patients. Long term studies are needed to determine whether magnesium supplementation is useful in the management of type II diabetes. [less ▲]

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See detailSelected Bibliography of Criticism on the Prose Poem
Delville, Michel ULg

in The Prose Poem: an International Journal (1994), 3

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See detailHooliganisme: approches descriptives et explicatives, avec une attention particulière aux faits observés en Belgique
Comeron, Manuel ULg

in Revue Internationale de Criminologie et de Police Technique (1994), 2

Etude du phénomène de violence dans les stades de football en Belgique avec une approche empirique des supporters et hooligans du Standard de Liège couplée avec une synthèse théorique des travaux anglo ... [more ▼]

Etude du phénomène de violence dans les stades de football en Belgique avec une approche empirique des supporters et hooligans du Standard de Liège couplée avec une synthèse théorique des travaux anglo-saxons. [less ▲]

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See detailChiral restoration transition in scaled effective Lagrangians
Jaminon, Martine ULg; Van den Bossche, Bruno

in Zeitschrift für Physik. C, Particles and Fields (1994), 64

We make a systematic study of the chiral restoration transition in function of the two free parameters of two scaled effective NJL Lagrangians. We show that it is not possible to reproduce with the same ... [more ▼]

We make a systematic study of the chiral restoration transition in function of the two free parameters of two scaled effective NJL Lagrangians. We show that it is not possible to reproduce with the same set of parameters the temperature behaviours of the quark condensate and of the quark entropy and a critical density at least equal to the normal density of nuclear systems. [less ▲]

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See detailTHE BLOOD PROTEINS OF THE ANTARCTIC ICEFISH CHANNICHTHYS-RHINOCERATUS - BIOLOGICAL SIGNIFICANCE AND PURIFICATION OF THE 2 MAIN COMPONENTS
Feller, Georges ULg; Poncin, A.; Aittaleb, M. et al

in Comparative Biochemistry and Physiology. B : Comparative Biochemistry (1994), 109(1), 89-97

The lack of hemoglobin and of carbonic anhydrase in the blood of icefish suggest that substantial adaptations of the acid-base balance should occur in order to ensure blood pH homeostasis. The level of ... [more ▼]

The lack of hemoglobin and of carbonic anhydrase in the blood of icefish suggest that substantial adaptations of the acid-base balance should occur in order to ensure blood pH homeostasis. The level of peptidic histidyl and of reactive -SH groups per unit of body mass in icefish plasma are 12-13 times higher that those of Notothenia rossii, a common red-blooded Antarctic species. It is proposed that the high level of imidazole ring in icefish plasma improves the non-bicarbonate buffering capacity and that the reactive sulfhydryls are involved om a redox buffer as in some other hypoxia tolerant species. After plasma fractionation on Ultrogel AcA 34, the two main icefish serum proteins have been purified by DEAE cellulose chromatography (IFI) and by HPLC on anion exchange column (IF2). IFI has been identified as a cysteine-rich para-albumin and IF2 as an histidine-rich immunoglobulin-like protein. [less ▲]

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See detailTraducteurs et traductions dans l'Egypte gréco-romaine
Rochette, Bruno ULg

in Chronique d'Egypte : Bulletin Périodique de la Fondation Egyptologique Reine Elisabeth (1994), 69(138), 313-322

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See detailCinétique de récupération fonctionnelle de la ventilation pulmonaire après pontage aortocoronaire
Croisier, Jean-Louis ULg; Parisse, J.; Camus, G. et al

in Annales de Réadaptation et de Médecine Physique (1994), 37

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See detailBovine Leukaemia Virus: biology and mode of transformation
Burny, A.; Willems, Luc ULg; Callebaut, I. et al

in Viruses and Cancer, Cambridge University Press (1994)

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See detailThe phytoplankton community of the river Meuse, Belgium: seasonal dynamics (year 1992) and the possible incidence of zooplankton grazing
Gosselain, Véronique ULg; Descy, Jean-Pierre; Everbecq, Etienne ULg

in Hydrobiologia (1994), 289

Qualitative and quantitative aspects of the phytoplankton of the river Meuse were studied during 1992 at a point 537 km from the source. The phytoplankton was dominated by diatoms and green algae. The ... [more ▼]

Qualitative and quantitative aspects of the phytoplankton of the river Meuse were studied during 1992 at a point 537 km from the source. The phytoplankton was dominated by diatoms and green algae. The factors regulating the phytoplankton groxth were clearly physical variables : discharge, temperature and irradiance. [less ▲]

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See detailLigamentoplasties du genou: l'état musculaire préopératoire conditionne t il le degré d'amyotrophie postopératoire?
Croisier, Jean-Louis ULg; Delcour, J. P.; Crielaard, Jean-Michel ULg

in Annales de Réadaptation et de Médecine Physique (1994), 37

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See detailStimulation of glutatione-peroxidase activity decreases HIV type-1 activation after oxidative stress
Sappey, C.; Legrand, Sylvie ULg; Best-Belopmme, M. et al

in AIDS Research and Human Retroviruses (1994), 10(11), 1451-1461

Am important aspect of human immunodeficiency virus (HIV-1) infection is the regulation of its expression by nuclear factor kappa B (NF-kappa B) by redox-controlled signal transduction pathways. In this ... [more ▼]

Am important aspect of human immunodeficiency virus (HIV-1) infection is the regulation of its expression by nuclear factor kappa B (NF-kappa B) by redox-controlled signal transduction pathways. In this study, we demonstrate that selenium supplementation can effectively increase glutathione peroxidase (GPx) activity in latently infected T lymphocytes. The Se-supplemented cells exhibited an important protection against the cytotoxic and reactivating effects of hydrogen peroxide (H2O2). Concomitantly, NF-kappa B activation by H2O2 was also decreased in Se-supplemented cells. Selenium stimulation of GPx activity also induces a protective effect against cell activation by tumor necrosis factor alpha (TNF-alpha) but less significantly by phorbol esters such as PMA. These Se-mediated effects were specific because they were not found when AP-1 DNA-binding activity was studied after H2O2-induced stress. Hyperthermia was also studied because it could promote intracellular electron leakage in electron transport chains. Elevating the temperature to 42 degrees C did not induce NF-kappa B directly. Rather, it sensitized infected cells to subsequent oxidative stress by H2O2, demonstrating the importance of hyperthermia, often associated with opportunistic infections in the development of immunodeficiency. In this case, Se induced partial protection against the sensitizing effect of hyperthermia. [less ▲]

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See detailB.E.M.S. : Batterie d'Evaluation de la Morpho-Syntaxe : développement, évaluation, et lignes d'action
Fayasse, M.; Comblain, Annick ULg; Rondal, Jean-Adolphe ULg

in Informations pédagogiques (1994), 12

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See detailModulatory Effect of Neuropeptide Y on Acetylcholine-Induced Oedema and Vasoconstriction in Isolated Perfused Lungs of Rabbit
Delaunois, Annie ULg; Gustin, Pascal ULg; Dessy-Doize, C. et al

in British Journal of Pharmacology (1994), 113(3), 973-81

1. The modulatory role of neuropeptide Y (NPY) on pulmonary oedema induced by acetylcholine and capsaicin was investigated. The effects of NPY on the haemodynamic response to acetylcholine, phenylephrine ... [more ▼]

1. The modulatory role of neuropeptide Y (NPY) on pulmonary oedema induced by acetylcholine and capsaicin was investigated. The effects of NPY on the haemodynamic response to acetylcholine, phenylephrine and substance P were also investigated. 2. Isolated, ventilated, exsanguinated lungs of the rabbit were perfused with a constant flow of recirculating blood-free perfusate. The double/arterial/venous occlusion method was used to partition the total pressure gradient (delta Pt) into four components: the arterial gradient (delta Pa), the pre- and post-capillary gradients (respectively delta Pa' and delta Pv') and the venous pressure gradient (delta Pv). Endothelial permeability was evaluated by measuring the capillary filtration coefficient (Kf,c). 3. Acetylcholine (10(-8) M to 10(-4) M) and substance P (SP, 10(-10) M to 10(-6) M) induced a concentration-dependent increase in the Kf,c. Capsaicin (10(-4) M) and 5-hydroxytryptamine (5-HT) (10(-4) M) also increased this parameter. NPY (10(-8) M) completely inhibited the effects of acetylcholine and capsaicin on the Kf,c, without preventing the effects of substance P and 5-HT. 4. Acetylcholine induced concentration-dependent vasoconstriction in the precapillary segment. The effect was inhibited by NPY and aspirin, an inhibitor of cyclo-oxygenase, while ketanserin, a 5-HT2 receptor antagonist, and SR140333, a new NK1 antagonist, had no protective effect. Phenylephrine increased delta Pa at high concentration, an effect also inhibited by NPY and aspirin. Substance P had no significant haemodynamic effect. When injected together with NPY, substance P (10(-6) M) induced a significant increase in the total pressure gradient.(ABSTRACT TRUNCATED AT 250 WORDS) [less ▲]

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See detailCARAIB - A global model of terrestrial biological productivity
Warnant, Pierre ULg; François, Louis ULg; Strivay, David ULg et al

in Global Biogeochemical Cycles (1994), 8(3), 255-270

CARAIB, a mechanistic model of carbon assimilation in the biosphere estimates the net primary productivity (NPP) of the continental vegetation on a grid of 1 degrees x 1 degrees in latitude and longitude ... [more ▼]

CARAIB, a mechanistic model of carbon assimilation in the biosphere estimates the net primary productivity (NPP) of the continental vegetation on a grid of 1 degrees x 1 degrees in latitude and longitude. The model considers the annual and diurnal cycles. It is based on the coupling of the three following submodels; a leaf assimilation model including estimates of stomatal conductance and leaf respiration, a canopy model describing principally the radiative transfer through the foliage, and a wood respiration model. Present-day climate and vegetation characteristics allow the discrimination between ecotypes. In particular, specific information on vegetation distribution and properties is successfully used at four levels; the leaf physiological level, the plant level, the ecosystem level, and the global level. The productivity determined by the CARAIB model is compared with local measurements and empirical estimates showing a good agreement with a global value of 65 Gt C yr(-1). The sensitivity of the model to the diurnal cycle and to the abundance of C-4 species is also tested. The productivity slightly decreases (10%) when the diurnal cycle of the temperature is neglected. By contrast, neglecting the diurnal cycle of solar irradiance produces unrealistically high values of NPP. Even if the importance of this increase would presumably be reduced by the coupling of CARAIB with a nutrient cycle model, this test emphasizes the key role of the diurnal cycle in a mechanistic model of the NPP. Uncertainties on the abundance and spatial distribution of C-4 plants may cause errors in the NPP estimates, however, as demonstrated by two sensitivity tests, these errors are certainly lower than 10% at the global scale as shown by two tests. [less ▲]

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See detailHeterogeneous conversion of N2O5 to HNO3 in the post-Mount Pinatubo eruption stratosphere
Rinsland, Curtis P.; Gunson, Michaël R.; Abrams, M. C. et al

in Journal of Geophysical Research (1994), 99(D4), 8213-8219

Simultaneous stratospheric volume mixing ratio (VMR) profiles of dinitrogen pentoxide (N2O5) and nitric acid (HNO3) at sunrise between 25-degrees-N and 15-degrees-S latitude and profiles of HNO3 at sunset ... [more ▼]

Simultaneous stratospheric volume mixing ratio (VMR) profiles of dinitrogen pentoxide (N2O5) and nitric acid (HNO3) at sunrise between 25-degrees-N and 15-degrees-S latitude and profiles of HNO3 at sunset between 42-degrees-S and 53-degrees-S latitude have been derived from 0.01 cm-1 resolution infrared solar occultation spectra recorded 9 1/2 months after the massive eruption of the Mount Pinatubo volcano in the Philippine Islands. The measurements were obtained by the atmospheric trace molecule spectroscopy (ATMOS) Fourier transform spectrometer during the ATLAS 1 shuttle mission (March 24 to April 2, 1992). The measured HNO3 VMRs are higher at all altitudes and latitudes than corresponding values measured by the limb infrared monitor of the stratosphere (LIMS) instrument during the same season in 1979, when the aerosol loading was near background levels. The largest relative increase in the HNO3 VMR occurred near the equator at 30-km altitude, where the ATMOS/ATLAS 1 values are about a factor of 2 higher than the LIMS measurements. Two-dimensional model calculations show that the increase in HNO3 and the ATMOS/ATLAS 1 measurement of a steep decrease in the N2O5 VMR below 30 km can be explained by the enhanced conversion of N2O5 to HNO3 on the surfaces of the Mount Pinatubo sulfate aerosols. Our profile results demonstrate the global impact of the N2O5 + H2O --> 2HNO3 heterogeneous reaction in altering the partitioning of stratospheric odd nitrogen after a major volcanic eruption. [less ▲]

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See detailThe Pepinster formation in the Verviers synclinorium, between Pepinster and Eupen (Belgium). Structural and stratigraphical context
Hance, Luc ULg; Dejonghe, L; Fairon-Demaret, Muriel ULg et al

in Annales de la Société Géologique de Belgique (1994), 117

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See detailApprendre, ou se mettre en projet ? Réflexions au départ d'une expérience de pédagogie du projet en classe du secondaire
Jadoulle, Jean-Louis ULg

in Histoire et Enseignement : Bulletin (1994), 44e année(n°1), 5-17

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See detailLa Shoah ne fut pas un spectacle. A propos de La liste de Schindler
Delruelle, Edouard ULg

in Cahiers de Clio (1994), 117(11),

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See detailComparison of 125I and 3H testosterone radioimmunoassay methods in bovine serum
Miklos, M.; Renaville, Robert ULg; Tözser, J.

in Klin Kiserl Lab Med (1994), 22

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See detailMagnesium et metabolisme glucidique.
Lefebvre, Pierre ULg; Paolisso, G.; Scheen, André ULg

in Thérapie (1994), 49(1), 1-7

The interrelationships between magnesium and carbohydrate metabolism have regained considerable interest over the last few years. Insulin secretion requires magnesium: magnesium deficiency results in ... [more ▼]

The interrelationships between magnesium and carbohydrate metabolism have regained considerable interest over the last few years. Insulin secretion requires magnesium: magnesium deficiency results in impaired insulin secretion while magnesium replacement restores insulin secretion. Furthermore, experimental magnesium deficiency reduces the tissues sensitivity to insulin. Subclinical magnesium deficiency is common in diabetes. It results from both insufficient magnesium intakes and increase magnesium losses, particularly in the urine. In type 2, or non-insulin-dependent, diabetes mellitus, magnesium deficiency seems to be associated with insulin resistance. Furthermore, it may participate in the pathogenesis of diabetes complications and may contribute to the increased risk of sudden death associated with diabetes. Some studies suggest that magnesium deficiency may play a role in spontaneous abortion of diabetic women, in fetal malformations and in the pathogenesis of neonatal hypocalcemia of the infants of diabetic mothers. Administration of magnesium salts to patients with type 2 diabetes tend to reduce insulin resistance. Long-term studies are needed before recommending systematic magnesium supplementation to type 2 diabetic patients with subclinical magnesium deficiency. [less ▲]

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See detailEffet du chargement et de la période de complémentation au pâturage sur les performances de taurillons finis en stabulation
Dufrasne, Isabelle ULg; Gielen, Marc ULg; Limbourg, Pierre et al

in Annales de Médecine Vétérinaire (1994), 138

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See detailCoût dans le secteur de la distribution d'eau en Wallonie et à Bruxelles : estimation d'une fonction de coût hédonique
Evrard, Olivier; Lejeune, Bernard ULg; Thiry, Bernard

in Annals of Public and Cooperative Economics = Annales de l'Economie Publique, Sociale et Coopérative (1994), 65(2), 333-360

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See detailEvolutionary affiliation of the marine nitrogen-fixing cyanobacterium Trichodesmium sp. strain NlBB 1067, derived by 16s ribosomal RNA sequence analysis
Wilmotte, Annick ULg; Neefs, Jean-Marc; De Wachter, Rupert

in Microbiology (1994), 140

The 165 rRNA sequence of Trichodesmium sp. strain NlBB 1067 was determined and used for the construction of a distance tree and bootstrap analysis. The tree shows that, among the available cyanobacterial ... [more ▼]

The 165 rRNA sequence of Trichodesmium sp. strain NlBB 1067 was determined and used for the construction of a distance tree and bootstrap analysis. The tree shows that, among the available cyanobacterial 165 rRNA sequences, Trichodesmium NlBB 1067 has Oscillatoria PCC 7515 as its closest relative, presenting 94.9% of sequence similarity with the latter strain. This is in contrast to a difference of 9 mol O/O G + C in mean genomic DNA base composition between the two organisms. Nevertheless, the genotypic heterogeneity presented by a number of strains assigned to the genus Oscillatoria hinders a taxonomic decision on the separate existence of the genera Trichodesmium and Oscillatoria. The sequence of the internal transcribed spacer (ITS) between the 165 and 23s rRNA genes was also determined, as a possible marker to study inter- and intraspecif ic variability. The ITS contains the genes coding for tRNA1Ie and tRNAAia and its total length is 547 nucleotides. In six out of eight sequenced clones, there is a duplication of 29 nucleotides, surrounding the 5' end of the tRNA1Ie. [less ▲]

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See detailWanze/Huccorgne: Station de l'Hermitage
Noiret, Pierre ULg

in Chronique de l'Archéologie wallonne (1994), 2

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See detailTraitement de données par le logiciel Minitab
Claustriaux, Jean-Jacques ULg; Delvaux, A.

in Notes de Statistique et d'Informatique (1994), 1

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See detailTherapy for obesity--today and tomorrow.
Scheen, André ULg; Desaive, Claude ULg; Lefebvre, Pierre ULg

in Bailliere's Clinical Endocrinology and Metabolism (1994), 8(3), 705-27

Obesity poses a serious health hazard and its treatment is often disappointing. Besides conservative methods, the place of pharmacotherapy, very-low-calorie diets, and even, in selected cases, mechanical ... [more ▼]

Obesity poses a serious health hazard and its treatment is often disappointing. Besides conservative methods, the place of pharmacotherapy, very-low-calorie diets, and even, in selected cases, mechanical means or surgery can be considered. Effective drug treatment for obesity must reduce energy intake, or increase energy expenditure, or increase energy losses in faeces. All these possibilities have potential activities but also serious limitations. Current pharmacotherapy essentially uses anorectic drugs and the other approaches, although promising, are still under investigation. Of the anorectic compounds currently available, serotoninergic agents, like dexfenfluramine and fluoxetine, appear to have the most suitable pharmacological profile. Very-low-calorie diets could help in the short-term but should be associated with other approaches to increase the rate of long-term success. They must be well-balanced as macronutrients and micronutrients are concerned, be prescribed in well-selected patients under careful medical supervision, and not be followed longer than a few weeks. Surgery can provide palliation for severe obesity when all medical approaches have failed. It may consist in decreasing food intake (gastric procedures), affecting calorie absorption (intestinal shunting, biliopancreatic bypass), or removing localized excess fat (lipectomy, liposuction). Gastric reduction operations are safe and effective provided they are performed by experienced surgeons in well-selected patients. They can be considered now as the best option for a minority of patients with morbid and refractory obesity. Finally, in very selected patients, mechanical means (such as the waist cord) may also help losing weight and/or avoiding weight regain. Even if all these therapeutic approaches can be helpful, at least in some obese individuals, they also have important limitations so that prevention remains up to now the 'treatment' of choice for obesity. [less ▲]

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See detailSerine-Type D-Ala-D-Ala Peptidases and Penicillin-Binding Proteins
Granier, Benoît; Jamin, Marc; Adam, Maggy et al

in Methods in Enzymology (1994), 244

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See detailELEMENT DIFFUSION IN THE SOLAR INTERIOR
Thoul, Anne ULg; BAHCALL, J. N.; LOEB, A.

in Astrophysical Journal (1994), 421(2), 828-842

We study the diffusion of helium and other heavy elements in the solar interior by solving exactly the set of flow equations developed by Burgers for a multicomponent fluid, including the residual heat ... [more ▼]

We study the diffusion of helium and other heavy elements in the solar interior by solving exactly the set of flow equations developed by Burgers for a multicomponent fluid, including the residual heat-flow terms. No approximation is made concerning the relative concentrations, and no restriction is placed on the number of elements considered. We give improved diffusion velocities for hydrogen, helium, oxygen, and iron, in the analytic form derived previously by Bahcall & Loeb. These expressions for the diffusion velocities are simple to program in stellar evolution codes and are expected to be accurate to similar to 15%. We find that the inclusion of the residual heat flow terms leads to an increase in the hydrogen diffusion velocity. We compare our numerical results-with those obtained analytically by Bahcall & Loeb using a simplified treatment, as well as with those derived numerically by Michaud & Proffitt. We find that for conditions characteristic of the Sun, the results of Bahcall & Loeb for the hydrogen diffusion velocity are smaller than our more accurate numerical results by similar to 30%, except very near the center where the error becomes larger. The Michaud & Proffitt results differ from the numerical results derived here by less than or similar to 15%. Our complete treatment of element diffusion can be directly incorporated in a standard stellar evolution code by means of an exportable subroutine, but, for convenience, we also give simple analytical fits to our numerical results. [less ▲]

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See detailThird Catalogue of stars measured in the Long-Term Photometry of Variables project.
Manfroid, Jean ULg; Sterken, C.; Cunow, B. et al

in European Southern Observatory Scientific Report (1994), 14

Not Available

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See detailMetabolic clearance rate of insulin in type 2 diabetic patients treated with combined insulin and sulfonylurea therapy.
Castillo, M. J.; Scheen, André ULg; Lefebvre, Pierre ULg

in Revista Espanola de Fisiologia (1994), 50(1), 27-34

The metabolic clearance rate of insulin (MCRI) in 10 non-obese type 2 diabetic patients treated with either insulin alone or combined insulin plus sulfonylurea therapy is investigated. A classical 2-hour ... [more ▼]

The metabolic clearance rate of insulin (MCRI) in 10 non-obese type 2 diabetic patients treated with either insulin alone or combined insulin plus sulfonylurea therapy is investigated. A classical 2-hour euglycaemic hyperinsulinaemic glucose clamp using the artificial pancreas was performed in a randomized order after two 6-week periods of treatment: either with subcutaneous injections of insulin alone or with insulin plus oral administration of the sulfonylurea compound glipizide at the dose of 3 x 10 mg/day. The MCRI was calculated knowing the constant insulin infusion rate (0.1 U.kg-1.h-1) and measuring basal and steady-state plasma free insulin and C-peptide levels. When the test was performed at the end of the period of treatment with insulin plus glipizide and 30 min after the ingestion of the last dose of 10 mg glipizide, plasma C-peptide levels were significantly increased and steady-state free insulin levels tended to be slightly higher whereas the metabolic clearance rate of glucose was not affected. The MCRI was significantly reduced by glipizide from 23.3 +/- 2.9 to 18.9 +/- 2.0 ml.kg-1.min-1 p < 0.05. These results demonstrate that the sulfonylurea glipizide decreases the MCRI. This effect may play a role in the hypoglycemic action of sulfonylureas. [less ▲]

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See detailR. Sacré, « Les Negro Spirituals et les Gospel Songs »
Pirenne, Christophe ULg

in Cahiers de Clio (1994), 119

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See detailMarqueurs tumoraux
Charlier, Corinne ULg; Plomteux, Guy ULg

in Focus Diagnostica (1994), 2

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See detailMaigret dans ses rapports avec les classes privilégiées
Mouton, Charles ULg

in Revue Générale (1994), 5

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See detailModeles lineaires en genetique quantitative: synthese des connaissances actuelles.
Gengler, Nicolas ULg

in Bulletin des Recherches Agronomiques de Gembloux (1994), 29(1),

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See detailGenetic diversity among some wild populations of lima bean (Phaseolus lunatus L.) proceeding from Central Valley of Costa Rica
Maquet, Alain; Wathelet, Bernard ULg; Dubois, Sophie et al

in Annual Report of the Bean Improvment Cooperative (1994)

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See detailGéologie de la région de Puagne, Bande de Sambre-et-Meuse (Belgique). Hypothèses basées sur l'état de maturation des palynomorphes fossiles
Steemans, Philippe ULg

in Comptes Rendus de l'Académie des Sciences. Série 2, Sciences de la Terre et des Planètes (1994), 318(11), 1551-1556

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See detailNeuropeptides cutanés
Tassoudji, Nazli ULg; Nikkels, Arjen ULg; Pierard, Gérald ULg

in Les Nouvelles Dermatologiques (1994), 13

The neuropeptides act as mediators in the transmission of nervous influx and as messengers between the nervous system and other cell populations. The skin contains numerous neuropeptides which are ... [more ▼]

The neuropeptides act as mediators in the transmission of nervous influx and as messengers between the nervous system and other cell populations. The skin contains numerous neuropeptides which are involved in the regulation of inflammation, immunomodulation, and thermoregulation. Cutaneous trophicity, pigmentation, and to a lesser extent sebaccous secretions are also influenced by neuropeptides. This review describes the functions of the most important neuropeptides encountered at the level of the skin. [less ▲]

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See detailLongwave Sky Radiation Parametrizations
Aubinet, Marc ULg

in Solar Energy (1994), 53(2),

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See detailA propos d'un cas de chylothorax compliquant une sclérose de varices oesophagiennes
Detry, Olivier ULg; Dekoster, Guy ULg; Honoré, Pierre ULg et al

in Lyon Chirurgical (1994), 90(1), 45-47

Chylothorax is an exceptional complication of endoscopic sclerotherapy of bleeding esophageal varices. We found only three cases in the literature. We report a fourth observation. We discuss the different ... [more ▼]

Chylothorax is an exceptional complication of endoscopic sclerotherapy of bleeding esophageal varices. We found only three cases in the literature. We report a fourth observation. We discuss the different etiologies and the different therapeutic approaches of these unusual chylothorax. [less ▲]

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See detailThe 4s-4p Transitions in Neutral Phosphorus
Biémont, Emile ULg; Martin, F.; Quinet, Pascal ULg et al

in Astronomy and Astrophysics (1994), 283

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See detailDe l'école à l'entreprise ou le processus d esocialisation mis en échec
Robert, Jocelyne ULg

in Eucation-Formation (1994)

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See detailLe Christ de Wavreumont
Van den Bossche, Benoît ULg

in Folklore. Stavelot – Malmedy – Saint-Vith (1994), 55

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See detailTHERMAL-CONDUCTIVITY OF PURE OR IRON-DOPED YBA2CU3O7-DELTA WITH OR WITHOUT AN EXCESS OF CUO
Houssa, M.; Bougrine, Hassan ULg; Ausloos, Marcel ULg et al

in Journal of Physics : Condensed Matter (1994), 6(31), 6305-6316

The thermal conductivities of YBa2(Cu1-xFex)3O7-delta + y% CuO ceramics for 0 < x < 0.03 and 0 < y < 5 have been measured. The thermal conductivities of all samples exhibit a minimum in the vicinity of ... [more ▼]

The thermal conductivities of YBa2(Cu1-xFex)3O7-delta + y% CuO ceramics for 0 < x < 0.03 and 0 < y < 5 have been measured. The thermal conductivities of all samples exhibit a minimum in the vicinity of the critical temperature T(c) and a maximum near T(c)/2. These results are interpreted with the help of an electronic model, i.e. supposing that the main contribution to the thermal conductivity below T(c) is due to electron scattering in the CuO2 planes. Within a simple two-fluid model derived from kinetic theory, taking into account the temperature dependence of the electronic relaxation time and the normal charge carrier concentration, we obtain theoretical curves which reproduce the experimental results quite well. We also take into account the porosity of the samples (in term of an intergrain contribution) to derive the electronic thermal conductivity. The parameter values of the model and the observed minimum are explained in terms of physical properties. In particular, the contribution of superconductivity fluctuations to the thermal conductivity is shown to be negligible with respect to other mechanisms. [less ▲]

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See detailRobotique pédagogique, d'un colloque à l'autre : vers l'émergence d'une communauté scientifique ?
Denis, Brigitte ULg; Baron, G. L.

in Sciences et Techniques Educatives [= STE] (1994), 1

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See detailActualités bibliographiques: les assurances dans la littérature criminologique
Lemaître, André ULg

in Déviance et Société (1994), 18(N°3), 297-329

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See detailBI-BASED 2223 SUPERCONDUCTING POLYCRYSTALLINE MATERIALS PREPARED BY EITHER A SOLID-STATE ROUTE OR A GLASSY MATRIX PRECURSOR METHOD - CHEMICAL-ANALYSIS AS WELL AS ELECTRICAL AND THERMAL TRANSPORT-PROPERTIES
Cloots, Rudi ULg; Bougrine, Hassan ULg; HOUSSA, M. et al

in Physica C (1994), 231(3-4), 259-270

Two routes have been followed in order to prepare Bi1.7Pb0.3Sr2Ca2Cu3O(y) superconducting materials. Bi1.7Pb0.3CuO4 is always used as one of the starting basic materials. The first route involves a new ... [more ▼]

Two routes have been followed in order to prepare Bi1.7Pb0.3Sr2Ca2Cu3O(y) superconducting materials. Bi1.7Pb0.3CuO4 is always used as one of the starting basic materials. The first route involves a new experimental procedure based on the solid state synthesis of separate intermediate phases, mixed together in a two (Bi1.7Pb0.3CuO4 + 2SrCaCuO3), three (Bi1.7Pb0.3CuO4+2SrCuO2+2CaCO3) or four (Bi1.7Pb0.3CuO4+(1/12)Sr8Ca6Cu24O41 + (3/2)CaCO3 + (4/3)SrCO3) powder process. Electric resistivity versus temperature measurements are presented. Even though the T(c)(0) of each sample is above 100 K, X-ray diffraction shows that the main phase is the 2212 phase in each case. Relatively pure 2223 materials have, however, successfully been produced by the second method, which starts from a glassy intermediate phase and involves a so-called 'matrix' method. The glass precursor phase is composed of one (Bi1.7Pb0.3CuO4), two (Bi1.7Pb0.3CuO4 + 2CaCO3), and three (Bi1.7Pb0.3CuO4 + (3/2)CaCO3 + (4/3)SrCO3) components as for the solid state routes. The role of both the added alkaline earth crystalline compounds and the glass matrix precursors in this second method turns out to be very important. We propose a schematic structural model in order to explain the selectivity of the starting materials. SrCaCuO3 is found to be a good precursor of the 2212 phase, while SrCuO2 gives rise to the 2223 phase. It seems that the presence of CaCO3 in the glassy intermediate phase, thus acting as a cation reservoir, is very useful for the production of the 2223 phase. Electric resistivity, thermal conductivity and thermopower versus temperature measurements are also presented and discussed in terms of intergrowths and variations of cationic compositions in the Bi-based layers. [less ▲]

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See detailFear reactions of ewes to photographic images
Vandenheede, Marc ULg; Bouissou, Marie-France

in Behavioural Processes (1994), 32

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See detailObservations on the establishment of a Devonian and Lower Carboniferous high resolution miospore biostratigraphy
Streel, Maurice ULg; Loboziak, S

in Review of Palaeobotany and Palynology (1994), 83

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See detailQue peut-on attendre des marqueurs immunohistochimiques du mélanome?
Nikkels, Arjen ULg; Pierard, Gérald ULg

in Nouvelles Dermatologiques (1994), 13

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See detailFIL2, an extracellular Leucine-Rich Repeat protein, is specifically expressed in Antirrhinum flowers.
Steinmayr, M.; Motte, Patrick ULg; Sommer, H. et al

in Plant Journal (The) (1994), 5(4), 459-67

The expression of the Antirrhinum gene FIL2 is affected in mutants of the homeotic transcription factor DEFICIENS. Northern and Western blot analyses showed that FIL2 in wild-type Antirrhinum flowers is ... [more ▼]

The expression of the Antirrhinum gene FIL2 is affected in mutants of the homeotic transcription factor DEFICIENS. Northern and Western blot analyses showed that FIL2 in wild-type Antirrhinum flowers is expressed weakly in the petals and more abundantly in the reproductive organs; the gene is active in the filaments and anthers of stamens, and in the stigma and transmitting tissue of the carpels. The FIL2 protein is glycosylated with high mannose type glycan chains and is located in the middle lamella of the extracellular matrix. The amino acid sequence contains 10 tandem repeats, the composition of which is similar to the Leucine-Rich Repeat (LRR) motif found in mammals, Drosophila and yeast. The possibility that FIL2 might be a component of a cellular signalling mechanism, involving LRR-mediated protein-protein interactions is discussed. [less ▲]

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See detailConformal invariance and degrees of freedom in the QCD string
Dienes, Keith R; Cudell, Jean-René ULg

in Physical Review Letters (1994), 72

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See detailEffect of dopamine and baclofen on N-methyl-D-aspartate-induced burst firing in rat ventral tegmental neurons.
Seutin, Vincent ULg; Johnson, S. W.; North, R. A.

in Neuroscience (1994), 58(1), 201-6

Intracellular microelectrode recordings were made from dopamine-containing neurons of the ventral tegmental area or substantia nigra zona compacta in rat brain slices in vitro. The firing pattern of the ... [more ▼]

Intracellular microelectrode recordings were made from dopamine-containing neurons of the ventral tegmental area or substantia nigra zona compacta in rat brain slices in vitro. The firing pattern of the neurons was switched from a tonic, single-spike pattern to a burst firing mode by adding N-methyl-D-aspartate (20 microM) to the superfusing solution; after adding tetrodotoxin the membrane potential underwent rhythmical oscillations of 20-40 mV at 0.5-2 Hz. Baclofen (1 microM) and dopamine (30 microM) hyperpolarized the neurons; when the potential was restored to its original level, the oscillations of potential and/or burst firing were not observed, but the tonic firing pattern was restored. These effects of baclofen and dopamine were prevented by barium (1 mM), which also prevented the membrane hyperpolarization. Oscillations of membrane current of a similar frequency were observed when the somatic membrane was voltage-clamped at -60 mV; these were also blocked by barium (1 mM). It is concluded that the oscillations in membrane potential observed with N-methyl-D-aspartate are generated predominantly at a dendritic location which is not voltage-clamped with an electrode at the soma. Baclofen and dopamine inhibit the oscillations by increasing the potassium conductance and hyperpolarizing the dendrites. [less ▲]

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See detailAsthme et hyperréactivité bronchique non spécifique
Louis, Renaud ULg; Kayembe, J. M.; Radermecker, Maurice ULg

in Acta Clinica Belgica (1994), 49(3-4), 148-57

Bronchial hyperresponsiveness is a hallmark of asthma although it can also be present, to a lesser extent, in other diseases. The level of bronchial responsiveness depends on immuno-inflammatory processes ... [more ▼]

Bronchial hyperresponsiveness is a hallmark of asthma although it can also be present, to a lesser extent, in other diseases. The level of bronchial responsiveness depends on immuno-inflammatory processes modifying the functional status of airway smooth muscle as well as the structure of the bronchial wall. The responsiveness toward a direct constricting pharmacological agent is poorly correlated to the one toward an indirect constricting agent or a physical stimulus which cause airway obstruction through a more complex mechanism. Transversal studies show a relationship between the severity of asthma and the level of methacholine airway responsiveness. Long term treatment with corticoids can reduce the bronchial hyperresponsiveness of asthmatics. [less ▲]

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See detailNuclear magnetic resonance spectroscopy : insights into experimental septic shock
GILLES, R; CARLIER, PG; D'Orio, Vincenzo ULg

in Intensive Care Medicine (1994)

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See detailLa Famille au présent : les valeurs familiales des Belges durant les années 90
Guillaume, Jean-François ULg

in Observatoire : Revue d'Action Sociale & Médico-Sociale (1994), 6(novembre-décembre), 24-29

Analyse de données de l'enquête européenne sur les valeurs (1990). Le texte souligne les valeurs sous-jacentes à un ordre conjugal axé sur la libre disposition de soi et le primat de la relation, au ... [more ▼]

Analyse de données de l'enquête européenne sur les valeurs (1990). Le texte souligne les valeurs sous-jacentes à un ordre conjugal axé sur la libre disposition de soi et le primat de la relation, au risque d'un repli sur soi. Les valeurs éducatives des années 1990 tendent à privilégier l'autonomie, l'ouverture à l'univers extra-familial et à conférer à l'enfant le statut d'un être indépendant. [less ▲]

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See detailLes manifestations neurologiques de l'infection a Borrelia burgdorferi (maladie de Lyme).
PEPIN, Jean-Louis ULg; Bastings, Eric; Lenaerts, Marc ULg et al

in Revue Médicale de Liège (1994), 49(11), 603-10

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See detail"Des biet ou lombardeau": La langue d'un écrivant belgoroman du début du 17e siècle
Boutier, Marie-Guy ULg; Chambon, Jean-Pierre

in Revue de Linguistique Romane (1994), 58

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See detailUne contrefaçon liégeoise exemplaire : les Œuvres du philosophe bienfaisant (1764)
Droixhe, Daniel ULg

in Bulletin de la Société Royale Le Vieux-Liège (1994), 265

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See detailHamartome angiomateux eccrine néonatal en plaques plurifocales
Benzarti, H.; Fazaa, B.; Ben Hamida, H. et al

in Giornale Internazionale di Dermatologia Pediatrica (1994), 6(1), 15-17

We report a case of eccrine angiomatous hamartoma disclosed in a 5-year-old girl. The lesion was painful and multifocal in plaques on a forearm. The diagnosis was made on the basis of histologic and ... [more ▼]

We report a case of eccrine angiomatous hamartoma disclosed in a 5-year-old girl. The lesion was painful and multifocal in plaques on a forearm. The diagnosis was made on the basis of histologic and immunohistochemistric assays. This conditions must be distinguished from other neonatal angiomatoses. [less ▲]

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See detailIs aprotinin worth the risk in total hip replacement?
Janssens, Marc ULg; Joris, Jean ULg

in Anesthesiology (1994), 81(2), 518-519

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See detailFluid transfer in anorthosites and related rocks from Rogaland (Southwest Norway): Evidence from stable isotopes
Wilmart, Edith; Pineau, Françoise; Réjou-Michel, A. et al

in Earth & Planetary Science Letters (1994), 125

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See detailMétaux lourds et isotopes stables du carbone dans la matière particulaire: distribution sur le plateau continental nord-ouest européen
Dauby, Patrick ULg; Mosora, Fiorentina; Frankignoulle, Michel et al

in Bulletin de la Société Royale des Sciences de Liège (1994), 63

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See detailAgglomérations morphologiques et fonctionnelles, l’apport de la télédétection urbaine
Donnay, Jean-Paul ULg

in Acta Geographica Lovaniensia (1994), 34

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See detailThe cognitive approach to familiar face processing in human subjects
Brédart, Serge ULg; Bruyer, R.

in Behavioural Processes (1994), 33(1-2), 213-232

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See detailFate of unstimulated Latissimus Dorsi transposed into the chest and applied to cardiomyoplasty
Radermecker, M. A.; Reznik, M.; Vivario, M. et al

in Research in Surgery (1994), 6(1), 35-39

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See detailBiostatistical studies of Western European allogamous populations of the Epipactis helleborine (L.) Crantz species group (Orchidaceae)
Tyteca, D.; Dufrêne, Marc ULg

in Systematic Botany (1994), 19(3), 424-442

[No abstract available]

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See detailComplete Dna-Sequence Of Yeast Chromosome-Xi
Dujon, Bernard; Esteban, Pf.; Fernandes, L. et al

in Nature (1994), 369(6479),

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See detailHuman follicular dendritic cells in vitro
Tsunoda, R.; Heinen, Ernst ULg; Imai, Y. et al

in Dendritic Cells (1994), 4

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See detailSubcellular Localization and Compartmentation of Thiamine Derivatives in Rat Brain
Bettendorff, Lucien ULg; Wins, Pierre; Lesourd, Monique

in Biochimica et Biophysica Acta (1994), 1222(1), 1-6

The subcellular distribution of thiamine derivatives in rat brain was studied. Thiamine diphosphate content was highest in the mitochondrial and synaptosomal fractions, and lowest in microsomal, myelin ... [more ▼]

The subcellular distribution of thiamine derivatives in rat brain was studied. Thiamine diphosphate content was highest in the mitochondrial and synaptosomal fractions, and lowest in microsomal, myelin and cytosolic fractions. Only 3-5% of total thiamine diphosphate was bound to transketolase, a cytosolic enzyme. Thiamine triphosphate was barely detectable in the microsomal and cytosolic fraction, but synaptosomes were slightly enriched in this compound compared to the crude homogenate. Both myelin and mitochondrial fractions contained significant amounts of thiamine triphosphate. In order to estimate the relative turnover rates of these compounds, the animals received an intraperitoneal injection of either [14C]thiamine or [14C]sulbutiamine (isobutyrylthiamine disulfide) 1 h before decapitation. The specific radioactivities of thiamine compounds found in the brain decreased in the order: thiamine > thiamine triphosphate > thiamine monophosphate > thiamine diphosphate. Incorporation of radioactivity into thiamine triphosphate was more marked with [14C]sulbutiamine than with [14C]thiamine. The highest specific radioactivity of thiamine diphosphate was found in the cytosolic fraction of the brain, though this pool represents less than 10% of total thiamine diphosphate. Cytosolic thiamine diphosphate had a twice higher specific radioactivity when [14C]sulbutiamine was used as precursor compared with thiamine though no significant differences were found in the other cellular compartments. Our results suggest the existence of two thiamine diphosphate pools: the bound cofactor pool is essentially mitochondrial and has a low turnover; a much smaller cytosolic pool (6-7% of total TDP) of high turnover is the likely precursor of thiamine triphosphate. [less ▲]

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See detailQuelle stratégie pour le développement rural dans la structuration de l'espace régional?
Rondeux, Jacques ULg

in Annales de Gembloux (1994), 100(3-4), 93-107

L’espace rural comporte tellement de paramètres et de diversités et vit aujourd’hui tellement de mutations que le définir de manière précise est une gageure. On pourrait dire qu’il concerne un territoire ... [more ▼]

L’espace rural comporte tellement de paramètres et de diversités et vit aujourd’hui tellement de mutations que le définir de manière précise est une gageure. On pourrait dire qu’il concerne un territoire essentiellement agricole, à contours diffus, caractérisé par une grande diversité où l’homme y voit une source d’activités multiples, saisonnières ou complémentaires, de services gratuits et de ressources renouvelables : l’air, l’eau, le paysage. Ce n’est pas la ville, ce n’est pas le site industriel mais cela peut être les champs entre deux agglomérations, la forêt entre deux villes et surtout les grands espaces, le monde ouvert dans lequel on oublierait un peu vite que pour maintenir son originalité et valoriser ses atouts et donc se développer il doit se raccrocher à des villes, chacun tirant profit des spécificités et des potentialités de l’autre. Non au désert économique, non aux services systématiquement gratuits, non à l’absence de tissu urbain adapté ; voilà les conditions pour le maintien ou pour un oui à une agriculture revue et corrigée, à la qualité de la vie, à la beauté des paysages, aux espaces de liberté et de détente, en un mot à une nouvelle ruralité basée sur la solidarité. [less ▲]

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See detailEffect of recombinant human erythropoietin on platelets in patients with anemia of renal failure: correlation of platelet count with erythropoietic activity and iron parameters.
Beguin, Yves ULg; Loo, Martine; R'Zik, Samir ULg et al

in European Journal of Haematology (1994), 53(5), 265-70

We examined the effect of treatment with rHuEpo on platelet counts in 61 hemodialysis patients and correlated them with changes in erythropoietic activity, iron status and inflammation. Platelets (10(9)/1 ... [more ▼]

We examined the effect of treatment with rHuEpo on platelet counts in 61 hemodialysis patients and correlated them with changes in erythropoietic activity, iron status and inflammation. Platelets (10(9)/1) increased from 220 +/- 80 to 245 +/- 102 after 14 days and stabilized at that level up to day 90 (p < 0.0001). The increment was similar in complete or partial responders but was not observed in failures. Serum transferrin receptor (sTfR, a measure of total erythropoiesis) and Het rose much more progressively, but relative platelet increments correlated with relative increases in sTfR and Hct. Relative platelet increments correlated inversely with relative changes of SeFe or transferrin saturation, but not with their absolute values, nor with baseline ferritin or its progressive decrease. Although baseline platelet count was 12% higher in patients with inflammation and correlated with serum haptoglobin, relative increases were similar in patients with or without inflammation. In conclusion, rHuEpo produced a clinically minor but consistent elevation of platelet counts. These modifications were not related primarily to modifications in iron stores, functional iron deficiency, or inflammation, but paralleled the expansion of erythropoietic activity. The results suggest that rHuEpo has a small positive effect on platelet production, but it cannot be ruled out that this could be partially mediated through functional iron deficiency. [less ▲]

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See detailPyoverdine production is not the sole trait involved in the biological control of soil diseases by Pseudomonas fluorescens ATCC 17400.
Jacques, Philippe ULg; Cornelis, P.; Gaballa, A. et al

in Archives Internationales de Physiologie, de Biochimie et de Biophysique (1994), 102(B81),

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See detailLiège vue par une géographe
Merenne-Schoumaker, Bernadette ULg

in Cahiers de Clio (1994), (120), 5-16

Présentation générale de Liège

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See detailC.R. du Mystère de la Résurrection. (Angers, 1456)
Henrard, Nadine ULg

in Lettres Romanes (1994), XLVIII(1-2), 112-114

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See detailPretreatment minimal staging for non-small cell lung cancer: an updated consensus report
Goldstraw; Rocmansb; Ball et al

in Lung Cancer (1994), 11(supp 3), 1-4

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See detailTechnical Efficiency and Productivity Growth in an Era of Deregulation: the Case of Airlines
Distexhe, Véronique; Perelman, Sergio ULg

in Schweizerische Zeitschrift für Volkswirtschaft und Statistik = Revue Suisse d'Economie Politique et de Statistique (1994), (130), 669-689

In this paper we measure technical efficiency and productivity gains in airline activities. Non-parametric frontiers and Malmquist indices of productivity are estimated for thirty-three airlines observed ... [more ▼]

In this paper we measure technical efficiency and productivity gains in airline activities. Non-parametric frontiers and Malmquist indices of productivity are estimated for thirty-three airlines observed over the period 1977-1988. We identify three sources of growth: technological progress, efficiency change and route network characteristics. The results bring to light the reasons that pushed several airlines to merge when markets were deregulated. [less ▲]

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See detailLa métropolisation, une nouvelle donne
Merenne-Schoumaker, Bernadette ULg

in Acta Geographica Lovaniensia (1994), (34), 165-174

The recent economic growth of many big cities has led to the new concept of "metropolization" and to numerous research based on new models of urban growth. In trying to draw up on this theme, one has ... [more ▼]

The recent economic growth of many big cities has led to the new concept of "metropolization" and to numerous research based on new models of urban growth. In trying to draw up on this theme, one has tackled successively four points: the concepts of metropolis and metropolization, the metropolization process, the metropolization and the city systems, the metropolization in Europe and Belgium. [less ▲]

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See detailLa pompe musculo-veineuse de la personne âgée
Petermans, Jean ULg; Zicot, M.

in Journal des Maladies Vasculaires (1994), 19(2), 115-8

We study the musculo-venous pump in an elderly population, free of venous disease, by use of a digitized photoplethysmograph. We measure the venous refilling time (To) and the venous drainage (Vo) during ... [more ▼]

We study the musculo-venous pump in an elderly population, free of venous disease, by use of a digitized photoplethysmograph. We measure the venous refilling time (To) and the venous drainage (Vo) during active and passive movement. In the first part, we measure Vo and To during active and passive ankle flexions among 17 patients (34 limbs) aged 82.2 years. These variables are compared to the results of the same measurements obtained among 15 young adults aged 45.1 years (30 limbs). We find that To and Vo are significantly lower in the oldest population (To j 35.9 +/- 4.8 sec, To aged 16.1 +/- 5.2 sec, p < 0.001, Vo j 4.98 +/- 1.1%, Vo ag 2.97 +/- 1%, p < 0.001). In the second part of this work, a passive massage of the calf is substituted to the ankle flexions. This technique is applied to 19 elderly people aged 80.4 years (37 limbs) compared to 6 young adults aged 24 years (12 limbs). In these conditions the comparison is no more in favour of the younger group (To j 37 +/- 7.5 sec, To ag 30.6 +/- 4.1 sec, Vo j 4.03 +/- 1.5%, Vo ag 3.8 +/- 0.06%). The values measured in the elderly group are in the range of normal values. We conclude that senescence does not alter the venous system itself. The present work confirms the influence of extravascular factors as muscles, understanding and coordination of the motions, articular flexibility, on the performance of the musculo venous pomp. As far as possible, the muscular and articular activity has to be encouraged in elderly people in order to reduce the venous stasis. [less ▲]

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See detailPassive immunization against insulin-like growth factor-I alters the placental lactogen concentration in pregnant rats
Devolder, Anne; Renaville, Robert ULg; Massart, Serge et al

in Journal of Animal Science (1994), 72(suppl 1), 159

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See detailRôle de la chirurgie carotidienne dans la prévention de l'infarctus cérébral
Limet, Raymond ULg; DESIRON, Quentin ULg; DETRY, Olivier et al

in Bulletin et Mémoires de l'Académie Royale de Médecine de Belgique (1994), 149(5-7), 299-305306-7

A significant part of transient or permanent cerebral ischemic attacks (CIA) are due to arterio-arterial emboli issued from carotid plaques. Surgery for carotid disobstruction aims to take out emboligenic ... [more ▼]

A significant part of transient or permanent cerebral ischemic attacks (CIA) are due to arterio-arterial emboli issued from carotid plaques. Surgery for carotid disobstruction aims to take out emboligenic plaques by endarterectomy (associated to angioplasty or not). The adversaries of surgical treatment sustain two main assertions: 1. carotid stenoses are not very dangerous, because the definitive thromboses they create are easily compensated by the development of collaterals, so that the risk for stroke is low. 2. this low and late risk of spontaneous carotid thrombosis is not greater than the immediate one following carotid surgery. Those objections have been encountered in randomized North American studies (Nascet [less ▲]

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See detailAnalysis by in Situ Hybridization of Cytokine Mrnas Expression in Thymic Nurse Cells
Deman, J.; Humblet, Chantal ULg; Martin, M. T. et al

in Advances in Experimental Medicine and Biology (1994), 355

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See detailStereoselective syntheses of cyclopropane derivatives from γ-alkoxy-α,β-unsaturated carbonyl compounds and methylene transfer reagents
Krief, Alain; Dumont, Willy; Lecomte, Philippe ULg

in Polish Journal of Chemistry (1994), 68

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See detailMonofrequency Forced Oscillation Technique for the Investigation of Pulmonary Function in Calves: In Vitro and in Vivo Studies
Close, Roland; Reinhold, Petra; Lekeux, Pierre ULg

in Research in Veterinary Science (1994), 56(3), 363-372

Parameters derived from the non-invasive and simple monofrequency forced oscillation technique were compared with classical parameters of ventilatory mechanics in order to assess its usefulness for the ... [more ▼]

Parameters derived from the non-invasive and simple monofrequency forced oscillation technique were compared with classical parameters of ventilatory mechanics in order to assess its usefulness for the investigation of pulmonary function in calves. To facilitate this comparison, theoretical derivations were coupled with in vitro measurements, using an artificial lung model, and with in vivo studies. These studies compared the oscillatory resistance parameters (Ros and Re) and the respiratory system compliance (Crs) against the classical pulmonary resistance (RL) and the dynamic compliance (Cdyn), respectively. Ros and Re were highly correlated (r > or = 0.87) with RL and the comparison between Crs and Cdyn gave a similarly high correlation (r > or = 0.88). Given its simplicity, its correspondence with classical parameters and its rapidity and reproducibility, monofrequency forced oscillation technique seems well suited for the investigation of pulmonary function under field conditions. [less ▲]

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See detailThe functional proof of the diaphragm's specific type of motor innervation in Ongulae
Desmecht, Daniel ULg; Linden, Annick ULg; Leroy, Pascal ULg et al

in Pflügers Archiv : European Journal of Physiology (1994), 426

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See detailOptimisation du plan parcellaire d'une exploitation agricole: une application de la theorie des graphes.
Dupont, Pascal ULg

in Bulletin des Recherches Agronomiques de Gembloux (1994), 29(3),

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