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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 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

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See detailFunctional effects of a muscarinic receptor blockade during acute respiratory distress syndrome in double-muscled calves
Genicot, Bruno; Mouligneau, Frédéric; Close, Roland et al

in Veterinary Record : Journal of the British Veterinary Association (1994), 134(5), 110-113

Eighteen Belgian white and blue double-muscled calves suffering from the acute respiratory distress syndrome were studied. Fifteen of the calves inhaled ipratropium bromide (0.6 mg) four times a day for ... [more ▼]

Eighteen Belgian white and blue double-muscled calves suffering from the acute respiratory distress syndrome were studied. Fifteen of the calves inhaled ipratropium bromide (0.6 mg) four times a day for three to four days whereas the other three control calves inhaled sterile 0.9 per cent saline. All the animals were injected with ceftiofur sodium (1 mg/kg/day) for five days, the first injection being given one hour after the first inhalation of ipratropium bromide or saline. Arterial oxygen tension, alveolar arterial oxygen difference, carbon dioxide tension and arterial pH, respiratory and heart rates, oscillatory resistance and phase angle, measured by the mono-frequency forced oscillation technique, were recorded both before and one hour and 168 hours after the first inhalation. The measurement of oscillatory resistance and phase angle made it possible to resolve the impedance of the respiratory system into its real and imaginary components. The oscillatory compliance (Cosc) was determined from the imaginary component (Im). By one hour after the first inhalation of ipratropium bromide the oscillatory resistance was already significantly reduced and Im and Cosc had significantly increased, but the other parameters showed no significant improvement. However, between one hour and 168 hours after the first inhalation all the parameters reached physiological values. The control calves did not show any change. It was concluded that the pulmonary dysfunction associated with the acute respiratory distress syndrome in these calves was at least partly due to a severe bronchoconstriction. [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 detailCharacterization of a single prolactin (PRL) receptor in tilapia (Oreochromis niloticus) which binds both PRLI and PRLII
Auperin, B.; Rentier-Delrue, Françoise ULg; Martial, Joseph ULg et al

in Journal of Molecular Endocrinology (1994), 13(3), 241-51

In tilapia, there are two forms of prolactin (PRL) whose effects on sodium and chloride movements differ and depend on the living environment of the fish. To see whether different receptors or the same ... [more ▼]

In tilapia, there are two forms of prolactin (PRL) whose effects on sodium and chloride movements differ and depend on the living environment of the fish. To see whether different receptors or the same receptor mediates these different effects, we have characterized the specific binding of both forms of tilapia (ti)PRL in two osmoregulatory organs, the gill and kidney. Two recombinant tiPRLs were used for this analysis. The recombinant hormones had the same properties as the native hormones in a tilapia gill radioreceptor assay. Specific binding to gill and kidney membranes was increased by optimizing the quality of the tissue preparations (physiological state of fish, membrane preparation) and the incubation conditions (pH, salt concentrations, temperature, time). Under these optimized conditions, we detected only one class of high affinity PRL receptor in gill and kidney. Its binding affinity was higher for tiPRLI than for tiPRLII in both gill and kidney (for tiPRLI the respective affinity values were 2.9 and 2.3 x 10(10) per M, for tiPRLII they were 1.9 and 0.5 x 10(10) per M). In competition studies, tiPRLI was more potent, followed by tiPRLII and ovine (o)PRL. tiGH and oGH did not significantly displace either tiPRL. The receptor we have characterized thus recognizes quite specifically both tiPRLs. [less ▲]

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See detailAspergillose chez les oiseaux marins échoués sur la côte belge
Jauniaux, Thierry ULg; Coignoul, Freddy ULg

in Annales de Médecine Vétérinaire (1994), 138(4), 277-281

Pulmonary aspergillosis is a respiratory disease usually present in birds. The agent is an ubiquitous and saprophitic fungus, belonging to the Aspergillus genus, A. fumigatus being the predominant species ... [more ▼]

Pulmonary aspergillosis is a respiratory disease usually present in birds. The agent is an ubiquitous and saprophitic fungus, belonging to the Aspergillus genus, A. fumigatus being the predominant species. Debilitation and stress are favourable for the mycosis installation in captive wild birds (Zoo and rehabilitation centers). During 90-91 and 91-92 winters, 386 birds found dead at the belgian seashore were necropsied and 9 birds were carriers of specific lesions. Complementary investigations were undertaken. Most animals were oiled and had been kept for some time in rehabilitation centers. [less ▲]

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See detailSECULAR EVOLUTION OF THE VERTICAL COLUMN ABUNDANCES OF CHCLF2 (HCFC-22) IN THE EARTH'S ATMOSPHERE INFERRED FROM GROUND-BASED IR SOLAR OBSERVATIONS AT THE JUNGFRAUJOCH AND AT KITT-PEAK, AND COMPARISON WITH MODEL-CALCULATIONS
Zander, Rodolphe ULg; Mahieu, Emmanuel ULg; Demoulin, Philippe ULg et al

in Journal of Atmospheric Chemistry (1994), 18(2), 129-148

Series of high-resolution infrared solar spectra recorded at the International Scientific Station of the Jungfraujoch, Switzerland, between 06/1986 and 11/1992, and at Kitt Peak National Observatory ... [more ▼]

Series of high-resolution infrared solar spectra recorded at the International Scientific Station of the Jungfraujoch, Switzerland, between 06/1986 and 11/1992, and at Kitt Peak National Observatory, Tucson, Arizona (U.S.A.), from 12/1980 to 04/1992, have been analyzed to provide a comprehensive ensemble of vertical column abundances of CHClF2 (HCFC-22; Freon-22) above the European and the North American continents. The columns were derived from nonlinear least-squares curve fittings between synthetic spectra and the observations containing the unresolved 2nu6 Q-branch absorption of CHClF2 at 829.05 cm-1. The changes versus time observed in these columns were modeled assuming both an exponential and a linear increase with time. The exponential rates of increase at one-sigma uncertainties were found equal to (7.0 +/- 0.35)%/yr for the Junfraujoch data and (7.0 +/- 0.23)%/yr for the Kitt Peak data. The exponential trend of 7.0%/yr found at both stations widely separated in location can be considered as representative of the global increase of the CHClF2 burden in the Earth's atmosphere during the period 1980 to 1992. When assuming two realistic vertical volume mixing ratio profiles for CHClF2 in the troposphere, one quasi constant and the other decreasing by about 13% from the ground to the tropopause, the concentrations for mid-1990 were found to lie between 97 and 111 pptv (parts per trillion by volume) at the 3.58 km altitude of the Jungfraujoch and between .97 and 103 pptv at Kitt Peak, 2.09 km above sea level. Corresponding values derived from calculations using a high vertical resolution-2D model and recently compiled HCFC-22 releases to the atmosphere, were equal to 107 and 105 pptv, respectively, in excellent agreement with the measurements. The model calculated lifetime of CHClF2 was found equal to 15.6 years. The present results are compared critically with similar data found in the literature. On average, the concentrations found here are lower by 15-20% than those derived from in situ investigations; this difference cannot be explained by the absolute uncertainty of +/- 11% assigned presently to the infrared remote measurements. [less ▲]

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See detailA Partial Approach To Model Checking
Godefroid, Patrice; Wolper, Pierre ULg

in Information & Computation (1994), 110(2), 305--326

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See detailEvidence that two tilapia (Oreochromis niloticus) prolactins have different osmoregulatory functions during adaptation to a hyperosmotic environment
Auperin, B.; Rentier-Delrue, Françoise ULg; Martial, Joseph ULg et al

in Journal of Molecular Endocrinology (1994), 12(1), 13-24

Two forms of prolactin (tiPRLI and tiPRLII), with only 69% sequence identity, have been previously described in the cichlid fish tilapia (Oreochromis species). In the present study we have attempted to ... [more ▼]

Two forms of prolactin (tiPRLI and tiPRLII), with only 69% sequence identity, have been previously described in the cichlid fish tilapia (Oreochromis species). In the present study we have attempted to investigate the biological activity of these two prolactin forms during adaptation to a hyperosmotic environment. For this purpose, we have developed two highly sensitive (sensitivity: 0.05 ng/ml) and specific (cross-reactivity < 0.04%) radioimmunoassays for tiPRLI and tiPRLII, using recombinant hormones. When fish were directly transferred from fresh to brackish water, the measured levels of plasma tiPRLI and tiPRLII dropped abruptly until 12 h after transfer. Thereafter, plasma tiPRLII remained stable (around 0.5 ng/ml) until the end of the experiment, whereas plasma tiPRLI continued to decrease to undetectable levels. These different patterns of change are reflected in the calculated ratio of plasma tiPRLII to tiPRLI, which increased from 2-3 in fresh water-adapted fish to over 10 in fish which had spent 3 days or more in brackish water. The pituitary contents of tiPRLI and tiPRLII varied in a qualitatively similar fashion after transfer to brackish water. The tiPRLI content dropped continuously after 12 h, reaching one-twelfth of its initial level after 2 weeks. The pituitary tiPRLII content, on the other hand, did not decrease significantly until day 7, and after a 2-week exposure to brackish water it had only decreased by 50%. When injected into tilapia adapted to brackish water, both ovine prolactin and recombinant tiPRLI induced a clear dose-dependent ion-retaining effect. In contrast, the effect induced by tiPRLII treatment was markedly smaller and not dose-dependent. Northern blot analysis of tiPRL mRNAs using either a tiPRLI or a tiPRLII cDNA probe indicated the presence of two mRNAs differing in size: a 1.7 kb mRNA coding for tiPRLI and a 1.3 kb mRNA coding for tiPRLII. After transfer to brackish water, levels of the two mRNAs decreased similarly. The present study indicates that, in O. niloticus, the two forms of prolactin have different osmoregulatory roles during adaptation to brackish water. Accordingly, their synthesis are differentially regulated after transfer to a hyperosmotic environment, presumably at a post-transcriptional level. [less ▲]

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See detailDe réels progrès ont-ils été faits dans le traitement de l'ostéoporose ?
Reginster, Jean-Yves ULg; DEROISY, Rita ULg; Franchimont, P

in Les Nouvelles de Rhumatologie (1994), 4

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See detailIntensities of the doublet-quadruplet intersystem transitions in C II and N III
Biémont, Emile ULg; Delahaye, F.; Zeippen, C. J.

in Journal of Physics : B Atomic Molecular & Optical Physics (1994), 27

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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 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 detailAnalysis of the penA gene of Pseudomonas cepacia 249.
Joris, Bernard ULg; Galleni, Moreno ULg; Frère, Jean-Marie ULg et al

in Antimicrobial Agents and Chemotherapy (1994), 38(2), 407-8

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See detailDynamique du carbone inorganique des eaux de surface dans l'embouchure de l'Escaut
Frankignoulle, Michel; Biondo, Renzo ULg; Bouquegneau, Jean-Marie ULg et al

in Bulletin de la Société Royale des Sciences de Liège (1994), 61

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

in Revue Générale (1994), 5

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See detailTranscription and expression analysis, using lacZ and phoA gene fusions, of Mycobacterium fortuitum beta-lactamase genes cloned from a natural isolate and a high-level beta-lactamase producer.
Timm, J; Perilli, M G; Duez, Colette ULg et al

in Molecular Microbiology (1994), 12(3), 491-504

The gene encoding a class A beta-lactamase was cloned from a natural isolate of Mycobacterium fortuitum (blaF) and from a high-level amoxicillin-resistant mutant that produces large amounts of beta ... [more ▼]

The gene encoding a class A beta-lactamase was cloned from a natural isolate of Mycobacterium fortuitum (blaF) and from a high-level amoxicillin-resistant mutant that produces large amounts of beta-lactamase (blaF*). The nucleotide sequences of the two genes differ at 11 positions, including two in the region upstream from the coding sequence. Gene fusions to Escherichia coli lacZ and transcription and expression analysis of the cloned genes in Mycobacterium smegmatis indicated that high-level production of the beta-lactamase in the mutant is mainly or wholly due to a single base pair difference in the promoter. These analyses also showed that transcription and translation start at the same position. A comparison of the amino acid sequence of BlaF, as predicted from the nucleotide sequence, with the determined N-terminal amino acid sequence indicated the presence of a typical signal peptide. The fusion of blaF (or blaF*) to the E. coli gene phoA resulted in the production of BlaF-PhoA hybrid proteins that had alkaline phosphatase activity. These results demonstrate that phoA can be used as a reporter gene for studying protein export in mycobacteria. [less ▲]

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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 detailSWIMMING PUPPY SYNDROME IN A LITTER OF BOUVIER-DES-FLANDRES
Poncelet, Luc; Gilbert, S.; Jauniaux, Thierry ULg et al

in Annales de Médecine Vétérinaire (1994), 138(2), 121-123

This paper describes the clinical, serologic, electrophysiologic and pathologic findings in three Bouvier des Flandres puppies exhibiting the swiming puppy syndrome. The puppies had no antibodies against ... [more ▼]

This paper describes the clinical, serologic, electrophysiologic and pathologic findings in three Bouvier des Flandres puppies exhibiting the swiming puppy syndrome. The puppies had no antibodies against distemper virus, T. gondii and N. caninum. A myopathy was suspected because spontaneous activities were disclosed in all muscle groups and muscles enzymes were elevated. However the pathologic findings were unable to confirm this hypothesis. [less ▲]

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See detailLa crise suicidaire de l'adolescent, un appel à la vie
Malchair, Alain ULg

in Observatoire : Revue d'Action Sociale & Médico-Sociale (1994), 2

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See detailUse Of Bacteria Protections In Pelleting For Preinoculation Of Bean-Seeds (Phaseolus-Vulgaris L)
Jansen, Jp.; Schiffers, Bruno ULg; Mathot, P. et al

in Seed Science and Technology (1994), 22(2), 329-336

Preinoculation of bean seeds (Phaseolus vulgaris L.) with Rhibozium phaseoli material has been carried out by incorporating the inoculum in seed pelleting. An inoculum was incorporated into a mixture of ... [more ▼]

Preinoculation of bean seeds (Phaseolus vulgaris L.) with Rhibozium phaseoli material has been carried out by incorporating the inoculum in seed pelleting. An inoculum was incorporated into a mixture of vermiculite and compost or wheat bran, and applied to seeds to produce a solid pellet. The pelleted seed contained a sufficient number of bacteria per seed for effective nodulation after 56 days storage of preinoculated pelleted seeds at 25°C. Those results are not achieved using a liquid inoculum of Rhibozium. [less ▲]

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See detailMicroencapsulation by Coacervation of Poly(lactide-co-glycolide). III. Characterization of the Final Microspheres
Nihant, Nicole; Stassen, Sophie; Grandfils, Christian ULg et al

in Polymer International (1994), 34

This paper deals with protein microencapsulation by coacervation of poly(lactide-co-glycolide) solutions in CH2Cl2 induced by the addition of silicone oils of various viscosities. This coating technique ... [more ▼]

This paper deals with protein microencapsulation by coacervation of poly(lactide-co-glycolide) solutions in CH2Cl2 induced by the addition of silicone oils of various viscosities. This coating technique proceeds along three steps: phase separation of the coating polyester, adsorption of the coacervate droplets around the protein phase, and hardening of microparticules. Size distribution, surface morphology and internal porosity of the final microspheres clearly depend on the main characteristics of the coacervate, particularly the viscosity, in a direct connection with the CH2Cl2 content. Indeed, the whole porosity (which may be as high as 80%), average pore size and broadness of pore size distribution decrease as the coacervate is more viscous. Hardening of the coacervate droplets is thus so fast that the organic solvent is entrapped within the polymer matrix and predetermines the internal porosity. Finally, size distribution of microspheres is bimodal in a clear relation with the coacervate viscosity. A less viscous coacervate favours smaller microspheres (within the 7-90 µm range), contaminated with a minor population of microparticles below 4 µm. [less ▲]

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See detailMalignant Hyperthermia and Severe Hypoglycemia after Reexposure to Halothane
Bichel, T.; Canivet, Jean-Luc ULg; Damas, Pierre ULg et al

in Acta Anaesthesiologica Belgica (1994), 45(1), 23-7

A four year child presented with an episode of malignant hyperthermia induced by reexposure to halothane. The episode was associated with early onset of a severe hypoglycemia and liver enzymatic ... [more ▼]

A four year child presented with an episode of malignant hyperthermia induced by reexposure to halothane. The episode was associated with early onset of a severe hypoglycemia and liver enzymatic perturbances. Etiology of these perturbances is hard to state precisely in this clinical context, but a hepatic toxicity of halothane and/or by dantrolene is considered. [less ▲]

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See detailCell localization and redistribution of the 67 kD laminin receptor and alpha 6 beta 1 integrin subunits in response to laminin stimulation: an immunogold electron microscopy study.
Romanov, V.; Sobel, M. E.; pinto da Silva, P. et al

in Cell Adhesion and Communication (1994), 2(3), 201-9

The 67 kDa laminin receptor (67LR), one of several cell surface laminin-binding proteins, is involved in the interactions between cancer cells and laminin during tumor invasion and metastasis. A 37 kDa ... [more ▼]

The 67 kDa laminin receptor (67LR), one of several cell surface laminin-binding proteins, is involved in the interactions between cancer cells and laminin during tumor invasion and metastasis. A 37 kDa polypeptide (37LRP), previously identified as the 67LR precursor, is abundantly present in the cytoplasm and has been implicated in polysome formation. To better understand the cellular localization of the 67LR and its precursor, transmission electron microscopic studies of human melanoma A2058 cells were carried out using immunogold labeling and a variety of antibodies: (a) affinity purified antibodies directed against 37LRP cDNA-derived synthetic peptides; (b) anti-67LR monoclonal antibodies raised against intact human small cell lung carcinoma cells; and (c) monoclonal antibodies against the subunits of the integrin laminin receptor, alpha 6 beta 1. Double-labeling immunocyto-chemistry revealed that anti-67LR monoclonal antibodies as well as anti-37 LRP antibodies recognized antigens that were localized in the cytoplasm in electron dense structures. As expected, cell membrane labeling was also observed. Surprisingly, alpha 6 and beta 1 integrin subunits were detected in the same cytoplasmic structures positive for the 67LR and the 37LRP. After addition of soluble laminin to A2058 cells in suspension, the number of labeled cytoplasmic structures increased especially in the vicinity of the plasma membrane, and were exported onto the cell surface. Neither fibronectin nor BSA induced such an effect. The data demonstrate that the 67 LR and the 37 LRP antibodies detect colocalized antigens that are in cytoplasmic structures with alpha 6 beta 1 integrin.(ABSTRACT TRUNCATED AT 250 WORDS) [less ▲]

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See detailEvaluation de la chimiorésistance de Plasmodium falciparum. Revue des tests in vitro: méthodologie, intérêts et limites
Hayette, Marie-Pierre ULg; Carme, Bernard

in Publications Médicales Africaines (1994), 129

The chloroquine-resistance of Plasmodium falciparum appeared first in Southeast Asia and South-America during the sixties. It reached further the african continent in 1977, through Kenya and Tanzania. In ... [more ▼]

The chloroquine-resistance of Plasmodium falciparum appeared first in Southeast Asia and South-America during the sixties. It reached further the african continent in 1977, through Kenya and Tanzania. In Africa, the front of the resistance spread from East to West, and now completely covers Black Africa with different degrees of resistance. Rapidly, "in vivo" and "in vitro" tests were developped to assess the sensitivity of P. falciparum strains against the different antimalarial drugs. This paper is a review of existing "in vitro" and "in vivo" tests with their interest and limits. [less ▲]

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See detailcerebral blood flow velocities measurements on anterior cerebral artery during general anesthesia and minor surgery
Battisti, Oreste ULg

in Circulation et Métabolisme du Cerveau (1994), 11

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See detailDifferential Expression of the 67-Kd Laminin Receptor and 31-Kd Human Laminin-Binding Protein in Human Ovarian Carcinomas
van den Brule, F. A.; Berchuck, A.; Bast, R. C. et al

in European Journal of Cancer (1994), 30A(8), 1096-9

The expression of the 67-kD laminin receptor (67LR) and the 31-kD human laminin-binding protein (HLBP31), two proteins involved in cancer cell laminin interaction, was evaluated on 30 ovarian cancer ... [more ▼]

The expression of the 67-kD laminin receptor (67LR) and the 31-kD human laminin-binding protein (HLBP31), two proteins involved in cancer cell laminin interaction, was evaluated on 30 ovarian cancer specimens. Expression of the 67LR was increased (up to 2.5-fold, in 87% of the patients), while HLBP31 expression was downregulated in cancer cells compared with the normal tissue, as detected by northern blotting and immunohistochemistry. The immunohistochemical study demonstrated that the 67LR was significantly overexpressed (P < 0.05) in the group of patients whose cytoreductive surgery was suboptimal, and those with poor clinical outcome. No correlation was observed between HLBP31 expression and clinicopathological features. Increased expression of the 67LR appears to correlate with the invasive phenotype of ovarian cancer cells and suggests a role of the latter in ovarian cancer invasion. [less ▲]

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See detailEffect of the emulsion stability on the morphology and porosity of semicrystalline poly-L-lactide micriparticles prepared by w/o/w double emulsion-evaporation
Schugens, Ch; Laruelle, N; Nihant, N et al

in Journal of Controlled Release (1994), 32

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See detailCharacterization and Tumorigenicity of Spheroids Composed of Pigmented or Non Pigmented B16 Melanoma Cells
Coucke, P. H.; Gillet, Marie-Claire ULg; Bonjean, K. A. et al

in In Vivo (Athens, Greece) (1994), 8(3, May-Jun), 333-8

A parental line of mouse B16 melanoma cells (B16) and two derived cloned lines, either pigmented (B16P) or non pigmented (B16NP), were cultured in vitro as spheroids. After 48 hrs, the pigmented cells ... [more ▼]

A parental line of mouse B16 melanoma cells (B16) and two derived cloned lines, either pigmented (B16P) or non pigmented (B16NP), were cultured in vitro as spheroids. After 48 hrs, the pigmented cells (B16, B16P) formed smaller and looser aggregates, with higher rates of cell proliferation and lower amounts of extracellular matrix as compared to B16NP spheroids. The three lines were more tumorigenic when inoculated subcutaneously as spheroids than as isolated cells. Furthermore, B16P or B16 spheroids developed richly vascularized subcutaneous tumors and metastases more rapidly than B16NP aggregates. After intravenous injection of spheroids, the measurement with an image analyzer of the area of sections in lung colonies indicated that B16P colonies were larger and more numerous than those induced by B16NP cells. [less ▲]

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See detailPlace of MALT in the immune defence system.
Heinen, Ernst ULg

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

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See detailRécidive post-opératoire de la maladie de Crohn après chirurgie curatrice
Belaiche, Jacques ULg; Louis, Edouard ULg

in Médecine et Hygiène (1994), 52

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See detailReasoning about Infinite Computations
Vardi, Moshe Y.; Wolper, Pierre ULg

in Information & Computation (1994), 115(1), 1-37

We investigate extensions of temporal logic by connectives defined by finite automata on infinite words. We consider three different logics, corresponding to three different types of acceptance conditions ... [more ▼]

We investigate extensions of temporal logic by connectives defined by finite automata on infinite words. We consider three different logics, corresponding to three different types of acceptance conditions (finite, looping, and repeating) for the automata. It turns out, however that these logics all have the same expressive power and that their decision problems are all PSPACE-complete. We also investigate connectives defined by alternating automata and show that they do not increase the expressive power of the logic or the complexity of the decision problem. (C) 1994 Academic Press, Inc. [less ▲]

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See detailThe coupling of quark and gluon condensates in hot and dense systems
Jaminon, Martine ULg; Van den Bossche, Bruno

in Nuclear Physics A (1994), 567

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See detailLe renouveau cosaque
Bachkatov, Nina ULg; Wilson, Andrew

in Transitions : Ex-Revue des Pays de L'est (1994), 35-1

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See detailStatistical properties of daily returns : evidence from european stock markets
Corhay, Albert ULg; Tourani-Rad, Alireza

in Journal of Business Finance and Accounting (1994), 21(2), 271-282

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See detailL’expérience pédagogique: «Rénovation de l’enseignement fondamental - Développement corporel des enfants de 21/2 ans à 12 ans».
Piéron, Maurice; Cloes, Marc ULg; Delfosse, Catherine et al

in Informations pédagogiques (1994), 10

Delmelle (1992) a clairement défini la philosophie général de l'expérience pédagogique: "Compte tenu des besoins, des structures administratives en vigueur, des disponibilités matérielles et humaines et ... [more ▼]

Delmelle (1992) a clairement défini la philosophie général de l'expérience pédagogique: "Compte tenu des besoins, des structures administratives en vigueur, des disponibilités matérielles et humaines et des contraintes budgétaires, la commission a défini, de la manière suivante, la philosophie d'une rénovation possible à échéance immédiate. (a) Dans l'enseignement fondamental, tout enfant doit pratiquer l'activité physique à raison d'une séance quotidienne; il est parfaitement possible d'agir en sorte que les activités et les structures générales de l'école ne soient pas bouleversées. ..." ... [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 detailTnf-Alpha Is Involved in the Mechanism of Murine Thymic Lymphoma Prevention by Bone Marrow Grafting
Humblet, Chantal ULg; Deman, J.; Rongy, A. M. et al

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

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See detailEvaluation d’une expérience de rénovation de l’enseignement fondamental: Méthodologie de recherche
Piéron, Maurice; Cloes, Marc ULg; Delfosse, Catherine

in Revue de l'Education Physique (1994), 34(2-3), 117-120

Un projet pédagogique de l'envergure de celui qui fut mis en place dans l'enseignement fondamental de la Communauté française de Belgique exige que l'on considère les effets possibles sous de multiples ... [more ▼]

Un projet pédagogique de l'envergure de celui qui fut mis en place dans l'enseignement fondamental de la Communauté française de Belgique exige que l'on considère les effets possibles sous de multiples éclairages. Par les personnes auxquelles il s'adresse, par la diversité de ces effets et par l'organisation qu'il requiert, par la nécessité de mettre en évidence les relations de causalité, il a nécessité une méthodologie d'évaluation multidimensionnelle. ... [less ▲]

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See detailHaemodynamic dysfunctions involved in experimental bovine pneumonic pasteurellosis
Desmecht, Daniel ULg; Amory, Hélène ULg; Linden, Annick ULg et al

in Journal of Experimental Animal Science (1994), 37

The present experiments were designed Co challenge, without the bias of anaesthesia, the previously reported statement that intratracheal administration of Pasteurella haemolvtica does not impair ... [more ▼]

The present experiments were designed Co challenge, without the bias of anaesthesia, the previously reported statement that intratracheal administration of Pasteurella haemolvtica does not impair haemodynamics in calves. Central venous, pulmonary arterial and capillary wedge and systemic arterial pressures were measured by fluid-filled catheters in 11 calves. Cardiac output was measured by the thermodilution technique, heart rate (HR) was derived from the ECG and stroke volume (SV), pulmonary and systemic vascular resistance were calculated. The haemodynamic values were measured hourly from the first to the tenth hour alter intratracheal inoculation of P. haemolytica. Cardiovascular response was marked and typically consisted of two hypotensive hypodynamic phases. The first, which occurred by the second hour after inoculation, consisted of a transient bradycardia and a systemic vasodilation leading to profound hypotension and reduced venous return. Cardiac performance then recovered, but systemic hypotension persisted and hypoxaemia developed. The second phase occurred by the seventh hour alter inoculation and was associated with a decline in SV, an increase in HR, and pulmonary hypertension. Three different degrees of cardiovascular dysfunctions were found, differing basically in the intensity of the first phase bradycardia and second phase reduction in SV and systemic arterial pressure, suggesting that experimental pneumonia produced by intratracheal instillation of P. haemolytica in calves results in distinct cardiovascular dysfunctions depending on the animal. Ignorance of the underlying haemodynamic status therefore precludes reliable interpretation of physiological as well as pharmacological results using this model of respiratory disease [less ▲]

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See detailINTERNATIONAL-CONFERENCE ON BARBUS - PRESENT AND FUTURE - FOREWORD
BERREBI, P.; Poncin, Pascal ULg

in Bulletin Francais De La Peche Et De La Pisciculture (1994), (334), 167-168

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See detailLa gynécologie dans les papyrus grecs de médecine
Marganne, Marie-Hélène ULg

in Acta Belgica Historiae Medicinae (1994), 7(4), 207-217

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See detailDesign and modeling of new PAF antagonists - 1,4-bis-(3',4',5'-trimethoxybenzoyl)-2-substituted carbonyloxymethyl piperazines
Heymans, Françoise; Lamouri, Aazdine; Batt, Jean-Pierre et al

in Journal of Lipid Mediators and Cell Signalling (1994), 10(1-2), 153-154

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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 detailEssai sur le rythme statuaire à la période protohistorique en Mésopotamie
Tunca, Önhan ULg

in Beiträge zur Altorientalischen Archäologie und Altertumskunde (1994)

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See detailNew Energy Levels in Ne II deduced from FTS spectra in the Infrared Region (1800-9000 cm-1)
Quinet, Pascal ULg; Palmeri, P.; Biémont, Emile ULg

in Physica Scripta (1994), 49

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See detailAutonomously functioning thyroid nodules in a patient with a thyrotropin-secreting pituitary adenoma: possible cause--effect relationship.
Abs, R.; Stevenaert, Achille ULg; Beckers, Albert ULg

in European Journal of Endocrinology (1994), 131(4), 355-8

A 51-year-old female patient with long-standing hyperthyroidism due to a thyrotropin-secreting pituitary adenoma is reported, who became thyrotoxic again shortly after successful pituitary surgery ... [more ▼]

A 51-year-old female patient with long-standing hyperthyroidism due to a thyrotropin-secreting pituitary adenoma is reported, who became thyrotoxic again shortly after successful pituitary surgery. Functional testing and scintigraphy suggested the diagnosis of autonomous functioning thyroid nodules, which was confirmed by pathological examination of the resected thyroid tissue. This is the first report revealing the transition from a pituitary-dependent to a thyroid-dependent hyperthyroidism. Autonomous functioning thyroid nodules are, however, considered an intrinsic thyroid defect. In similarity with other disorders, in which trophic hormones may induce an autonomous secretion by the target gland, this report opens the possibility that a humoral factor may play a role in the development of autonomous functioning thyroid nodules. [less ▲]

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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 detailThe experience of the CHU Liege with conservative surgery in the management of upper urinary tract tumors.
Bouffioux, Christian ULg; Andrianne, Robert ULg; Bonnet, Pierre ULg et al

in Acta Urologica Belgica (1994), 62(4), 39-43

A review of 20 cases of conservative surgery for urothelial tumors of the upper tract is presented. The morbidity is limited; the recurrence rate is around 15% in the ipsilateral urinary tract with a mean ... [more ▼]

A review of 20 cases of conservative surgery for urothelial tumors of the upper tract is presented. The morbidity is limited; the recurrence rate is around 15% in the ipsilateral urinary tract with a mean follow up of 41 months. Conservative surgery does not seem to carry a higher fatal risk as compared to more radical surgery. It has indications in some cases which are defined. [less ▲]

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See detailON THE FUNCTIONAL-CHARACTERIZATION OF THE ANALYTIC WAVE-FRONT SET OF AN HYPERFUNCTION
Bastin, Françoise ULg; LAUBIN, P.

in Mathematische Nachrichten (1994), 166

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See detailLa formation des agents de santé scolaire dans le cadre du programme "Je mange bien à l'école"
Vandoorne, Chantal ULg

in Observatoire : Revue d'Action Sociale & Médico-Sociale (1994), (3),

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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 detailTechniques moleculaires de detection et d'identification des agents phytopathogenes.
Lepoivre, Philippe ULg; Kummert, J.; Colinet, D. et al

in Cahiers Agricultures (1994), 3(4),

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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 detailHormonal profile of growing male and female diploïds and triploïds of the blue tilapia, Oreochromis aureus, reared in intensive culture
Mol, K.; Byamungu, N.; Cuisset, B. et al

in Fish Physiology and Biochemistry (1994), 13

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See detailLes indices de déformation plio-quaternaire de la bordure occidentale du bassin des Iullemenden dans la région de Niamey (Niger).
Vicat, Jean-Paul; Léger, Jean-Marc; AHMED, Y et al

in Revue de Géographie Alpine (1994), 5

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See detailBovine Growth Hormone-Taqi Rflp And Quantitative Traits Breed Selected For Growth Performances And Meat Production
Sneyers, M.; Renaville, Robert ULg; Falaki, M. et al

in Archives Internationales de Physiologie, de Biochimie et de Biophysique (1994), 102(2),

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See detailPilgrimage out of Dispossession
Pagnoulle, Christine ULg

in Commonwealth : Essays and Studies (1994), 17(1), 100-106

Goodison's poems testify to her proud self-assertion, both as woman and as a descendant of African slaves.

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See detailA fuzzy approach to the definition of standardized visibility in fog.
Boreux, Jean-Jacques ULg; Duckstein, Lucien

in Applied Mathematics and Computation (1994), 61(2-3), 287-299

The problem of defining the physical concept of standardized visibility is addressed by means of a fuzzy logic approach. Assuming that several hypotheses hold, it is possible to evaluate a standardized ... [more ▼]

The problem of defining the physical concept of standardized visibility is addressed by means of a fuzzy logic approach. Assuming that several hypotheses hold, it is possible to evaluate a standardized visibility Vk (or meteorological visual range) as the ratio of a psychometric coefficient k and the extinction coefficient σ of the aerosol. The main disadvantage of this relationship due to Koschmieder stems from the fact that the meteorological visual range can be very different from visibility estimated by a human observer with normal sight. This is particularly true during fog extinction coefficient supplied by a transmissometer and the corresponding visibility evaluated by an expert. Calculations are performed according to two different approaches. First, a so-called fuzzy hyperbolic model based on a distance defined by Bardossy et al is presented, yielding a crisp (nonfuzzy) value of the coefficient k. Next, we use the multiplication of two fuzzy numbers, taken as triangular, to build an average fuzzy number k that accounts for the different values found in the literature. The defuzzification of k confirms the result obtained by the first approach. [less ▲]

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See detailSynthesis by sol-gel process and characterization of barium-titanate
LECLOUX, A. J.; KOCKLENBERG, Régine; MICHAUX, Bernard et al

in Annales de Chimie Science des Materiaux (1994), 19(2), 67-78

Barium titanate gels are prepared by sol-gel process from titanium isopropoxide and barium hydroxide in presence of methoxyethanol, methanol and water. These gels are dried under vacuum. The influence of ... [more ▼]

Barium titanate gels are prepared by sol-gel process from titanium isopropoxide and barium hydroxide in presence of methoxyethanol, methanol and water. These gels are dried under vacuum. The influence of the hydrolysis ratio, the temperature and the vacuum level during drying is discussed. [less ▲]

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See detailComparaison de l'évolution de 2 litières biomaîtrisées à base de sciure ou de paille pour porcs à l'engraissement
Marlier, Didier ULg; Nicks, Baudouin ULg; Canart, Bernard et al

in Annales de Médecine Vétérinaire (1994), 138(1), 45-53

Two rooms of a pig house were used to study 2 deep litter systems where the animals were kept on a 50 cm thick layer of sawdust or of chopped straw (10 cm). Seven days before the arrival of the animals ... [more ▼]

Two rooms of a pig house were used to study 2 deep litter systems where the animals were kept on a 50 cm thick layer of sawdust or of chopped straw (10 cm). Seven days before the arrival of the animals, slurry and a microbial product used to stimulate the fermentation were added to the litters. Fifteen pigs on sawdust and seventien pigs on straw (floor spaces : 1.4 and 1.2 M2/pig) were fattened from 23.1 to 93.1 kg live weight. Excreta from pigs was dung into the bedding weekly and treated with the microbial product. This labour was considered as too hard in the straw room and was ended at day 105. No sawdust was added during the fattening period but straw was added 5 times to keep the pigs clean and to keep the temperature in the bedding higher than 30-degrees-C. The mean temperature in the sawdust bed was higher (38 +/- 5,4-degrees-C vs 35 +/- 6,7-degrees-C, p > 0,001) and more constant (mean daily variation 1,3 +/- 1,6 vs 2,2 +/- 2,4-degrees-C, p > 0,001) than the temperature recorded in the straw bed. The air temperature and the relative humidity were similar in the 2 rooms (21-degrees-C and 60 The concentrations of ammonia in the air were measured with Gastec tubes. The average ammonia concentrations recorded during the 7 days before the arrival of the animals (48 +/- 36 ppm vs 12 +/- 9,2 ppm) and those recorded after the eighth day (11 +/- 5,6 ppm vs 6,7 +/- 3,9 ppm) were significantly higher with the straw system compared with the sawdust system. The daily gains were not significantly different in the 2 rooms (552 g on average) and the food conversion ratios in the 2 rooms were 3,6 kg/kg (on sawdust) and 3,85 kg/kg (on straw). Carcasses were of equal quality. In conclusion, results were better with the sawdust bed than with the straw bed. The sawdust bed provided a higher temperature in the bedding and a lower ammonia concentration in the air. The routine weekly task of digging was easier in the sawdust bed and the bedding was used for a second batch. [less ▲]

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See detailHow to improve the working conditions with an aerosol delivery equipment suitable for calves ?
Genicot, B.; Peckova, M.; Lamberty, S. et al

in American Journal of Respiratory & Critical Care Medicine (1994), 149

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See detailImidazolidinones structurally-related to penicillins: synthesis, molecular modeling and biological evalutation
Marchand-Brynaert, Jacqueline; Lamotte-Brasseur, Josette; Dive, Georges ULg

in Drug Metabolism and Drug Interactions (1994), 11(2), 85-109

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See detailExpression Of Interleukin-6 Receptors And Interleukin-6 Messenger-Rna By Bovine Leukemia Virus-Induced Tumor-Cells
Droogmans, L.; Cludts, I.; Cleuter, Y. et al

in Cytokine (1994), 6(6),

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See detailRole des somatomedines/insulin-like growth factors dans la croissance ponderale foetale.
Renaville, Robert ULg; Falaki, M.; Burny, A. et al

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

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See detailPsychophysiological correlates of suicidal behavior in depression. A preliminary study.
Hansenne, Michel ULg; Pitchot, William ULg; Gonzalez Moreno, A. et al

in Neuropsychobiology (1994), 30(1), 1-3

P300 and contingent negative variation (CNV) were recorded in depressive inpatients with and without history of suicide attempt. The results show a significant reduction of both P300 and CNV in patients ... [more ▼]

P300 and contingent negative variation (CNV) were recorded in depressive inpatients with and without history of suicide attempt. The results show a significant reduction of both P300 and CNV in patients who had attempted suicide as compared with patients who had not. Moreover, a significant correlation was found between the suicidal risk scale and CNV amplitude. Psychophysiological and biochemical implications are discussed. [less ▲]

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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 detailHuman RelB (I-Rel) functions as a kappa B site-dependent transactivating member of the family of Rel-related proteins.
Bours, Vincent ULg; Azarenko, V.; Dejardin, Emmanuel ULg et al

in Oncogene (1994), 9(6), 1699-702

RelB belongs to the family of Rel-related proteins, dimers of which determine NF-kappa B activity. The murine RelB protein has been reported to be a dimerizing partner in kappa B-binding complexes which ... [more ▼]

RelB belongs to the family of Rel-related proteins, dimers of which determine NF-kappa B activity. The murine RelB protein has been reported to be a dimerizing partner in kappa B-binding complexes which are capable of transactivation. On the other hand, the I-Rel protein, the presumed human homolog of RelB, was proposed to be an inhibitor whose presence in dimeric complexes interfered with their kappa B binding and therefore interfered also with transactivation. We demonstrate that human RelB (I-Rel) forms with p50 and p52 (p50B) kappa B-binding heterodimeric complexes which potently transactivate kappa B-dependent constructs in transfection studies. It is concluded that human RelB (I-Rel) and murine RelB can both function as transactivators and that no significant species-specific differences exist. [less ▲]

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See detailSignificance of soluble transferrin receptor
Beguin, Yves ULg; Loo, M.; R'Zik, Samir ULg et al

in Molecular Biology of Hematopoiesis (1994)

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See detailRelationships between metabolic clearance rate of insulin and body mass index in a female population ranging from anorexia nervosa to severe obesity.
Castillo, M. J.; Scheen, André ULg; Jandrain, Bernard ULg et al

in International Journal of Obesity & Related Metabolic Disorders (1994), 18(1), 47-53

Changes in the metabolic clearance rate of insulin (MCRI) have been described in several pathological conditions. Conflicting data suggest that they may be related to either body mass index (BMI) or body ... [more ▼]

Changes in the metabolic clearance rate of insulin (MCRI) have been described in several pathological conditions. Conflicting data suggest that they may be related to either body mass index (BMI) or body composition. This study aimed to investigate the relationship between the MCRI and BMI in an exclusively female population showing a wide range of BMI. For that purpose, hyperinsulinemic normoglycemic glucose clamps were performed in nine anorectic subjects (BMI: 14.5 +/- 0.8 kg/m2), 11 healthy volunteers (BMI: 20.3 +/- 0.5 kg/m2) and 12 obese patients (BMI: 33.0 +/- 0.9 kg/m2). To exclude any influence of the menstrual cycle on the MCRI, five healthy women underwent three tests at different days of the menstrual cycle: menstruation period, late follicular pre-ovulatory phase and luteal phase, in random order. The MCRI, which was quite reproducible in a given subject, was not significantly modified by the menstrual cycle. In the premenopausal female population studied, the mean (+/- s.e.m.) MCRI normalized for body weight (kg) were 35.4 +/- 3.4, 24.7 +/- 1.8 and 14.0 +/- 1.0 ml/kg/min (P < 0.01) for anorectic subjects, healthy volunteers and obese patients, respectively. These differences were maintained when the MCRI was normalized according to corporeal surface (m2) (1018 +/- 75, 859 +/- 67, 638 +/- 40 ml/m2/min, P < 0.01) or lean body mass (kg) (37.1 +/- 3.4, 32.6 +/- 2.7 and 24.1 +/- 0.5 ml/kgLBM/min, P < 0.01), but disappeared when MCRI was expressed per kg of ideal body weight (24.6 +/- 2.2, 24.6 +/- 2.1 and 22.4 +/- 1.4 ml/kgIBW/min, n.s.).(ABSTRACT TRUNCATED AT 250 WORDS) [less ▲]

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See detailThe treatment of amiodarone-induced hyperthyroidism. Is there a place for surgery?
Meurisse, Michel ULg; Detroz, Bernard ULg; Messens, D. et al

in Acta Chirurgica Belgica (1994), 94(1), 36-41

In many instances amiodarone-induced hyperthyroidism has been reported as mild, thyroid functions returning to normal after discontinuation of the drug. Nevertheless, life-threatening amiodarone-induced ... [more ▼]

In many instances amiodarone-induced hyperthyroidism has been reported as mild, thyroid functions returning to normal after discontinuation of the drug. Nevertheless, life-threatening amiodarone-induced thyrotoxicosis has also been described. Conventional treatments such as with antithyroid drugs (Thionamide) and corticosteroids are essentially ineffective or fail to stop the dramatic course of the thyroid crisis. This limited efficacy of medical therapy, particularly in patients with previously--neglected or unknown--thyroid disease, prompted us to intervene surgically. We report a series of six patients who underwent total or nearly total thyroidectomy as first line therapy for four of them. Surgery resulted in rapid resolution of thyrotoxicosis with an uneventful postoperative course. This approach has the advantage of immediate and safe efficacy, low risk of relapse and finally, appears to be the only antithyroid treatment that permits continued therapy with amiodarone. [less ▲]

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See detailEditorial comment intensive care
Lamy, Maurice ULg

in Current Opinion in Anaesthesiology (1994), 7

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See detailA propos d'un cas de kératite a Mycobacterium chelonae
Duchesne, Bernard ULg; Marechal-Courtois; Melin, Pierrette ULg

in Bulletin de la Société Belge d'Ophtalmologie (1994), 254

The authors presents one case of primitive corneal mycobacterium keratitis after corneal graft. This rare form of keratitis is analysed in the field of mycobacterial infections who's nowadays more ... [more ▼]

The authors presents one case of primitive corneal mycobacterium keratitis after corneal graft. This rare form of keratitis is analysed in the field of mycobacterial infections who's nowadays more developed in our industrialised countries. The description of the case point out the multiresistance of this mycobacterium and describe the different treatments. [less ▲]

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See detailChemically selected subclones of the CEM cell line demonstrate resistance to HIV-1 infection resulting from a selective loss of NF-kappa B DNA binding proteins.
Qian, J.; Bours, Vincent ULg; Manischewitz, J. et al

in Journal of Immunology (1994), 152(8), 4183-91

To delineate cellular genes that are required for optimal HIV-1 infection, CEM cells were subjected to treatment with the chemical mutagen ethylmethanesulfonate (EMS) and subclones were selected based on ... [more ▼]

To delineate cellular genes that are required for optimal HIV-1 infection, CEM cells were subjected to treatment with the chemical mutagen ethylmethanesulfonate (EMS) and subclones were selected based on their increased resistance to HIV-1 infection and reduced syncytium formation, despite relatively normal CD4 expression (20,000 to 25,000 receptors/cell). Two subclones with this phenotype demonstrated a diminished capacity of HIV-1 long terminal repeat-chloramphenicol acetyl transferase expression either after treatment with the protein kinase C activator PMA, or through Tat-mediated transactivation. In this study, we show that the cellular levels of the NF-kappa B DNA binding proteins (but not AP1 or SP1) are markedly reduced in these cell mutants both at the mRNA and protein levels, resulting in reduced nuclear localization of p50/p65 after PMA induction or treatment with the lymphokine TNF-alpha. Transient reconstitution with a plasmid expressing p50 resulted in partial recovery of PMA-inducible LTR-chloramphenicol acetyl transferase expression. These data suggest that, at least in the CEM T cell line, a selective reduction in the NF-kappa B DNA binding proteins is sufficient to curtail HIV-1 infection. [less ▲]

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See detailEvaluation d’une expérience de rénovation de l’enseignement fondamental: Méthodologie de recherche
Piéron, Maurice; Cloes, Marc ULg; Delfosse, Catherine et al

in Revue de l'Education Physique (1994), 34(2-3), 53-58

Les expériences pédagogiques de mise en œuvre de nouvelles méthodes ou structures de rénovation de l'enseignement sont particulièrement ardues à évaluer quant à leurs effets. Se déroulant en milieu ... [more ▼]

Les expériences pédagogiques de mise en œuvre de nouvelles méthodes ou structures de rénovation de l'enseignement sont particulièrement ardues à évaluer quant à leurs effets. Se déroulant en milieu naturel, elles subissent l'influence d'un grand nombre de variables qu'il est bien difficile voire impossible de contrôler et parfois simplement de prendre en compte. Les impondérables sont multiples. La voie la moins aléatoire consiste en une démarche multidimensionnelle qui analyse l'élève et l'enseignant, sous plusieurs points de vue, sans négliger des facteurs d'environnement socio-économiques qui peuvent également se révéler déterminants. ... [less ▲]

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See detailGrowth-inhibiting effects of a neem-based insecticide (Margosan-O) against Spodoptera littoralis (Lepidoptera: Noctuidae
Haubruge, Eric ULg; Seck, Dogo; Hemptinne, Jean-Louis et al

in Insect Science and its application (1994), 15(4), 243-249

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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 detailCerebral blood flow velocities during natural bovine surfactant therapy in very preterm babies
Battisti, Oreste ULg; Detry, J.; Louis, J. et al

in Circulation et Métabolisme du Cerveau (1994), 11

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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 detailEstimation of effective and total erythropoiesis in myelodysplasia using serum transferrin receptor and erythropoietin concentrations, with automated reticulocyte parameters.
Bowen, D. T.; Culligan, D.; Beguin, Yves ULg et al

in Leukemia : Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K (1994), 8(1), 151-5

The erythroid abnormality in patients with myelodysplasia (MDS) is multifactorial, with ineffective erythropoiesis and poor in vitro progenitor response to erythropoietin (EPO). Serum EPO concentration is ... [more ▼]

The erythroid abnormality in patients with myelodysplasia (MDS) is multifactorial, with ineffective erythropoiesis and poor in vitro progenitor response to erythropoietin (EPO). Serum EPO concentration is variable among patients for a given haemoglobin concentration. We studied 19 non-transfusion-dependent patients with MDS, and 13 healthy elderly control subjects in an attempt to define the factors governing variability in serum EPO and to further characterise the anaemia of MDS. Serum EPO concentration was appropriate for the degree of anaemia in 15/19 MDS patients, and was positively related to mean cell volume (MCV), mean cell haemoglobin (MCH), and percentage highly fluorescent reticulocytes (% HFR), but not to absolute or percentage reticulocyte count. Although the observed/predicted ratio for serum transferrin receptor (TfR) concentration was low in 12 of 19 MDS subjects, no relationship to haemoglobin concentration, reticulocytes or serum EPO was seen. Serum TfR was positively correlated with WBC and platelet counts. Serum TfR was higher in patients with sideroblastic anaemia than refractory anaemia. Standardized in vivo p50 was positively correlated to red cell 2,3 diphosphoglycerate concentration, although this was not the only factor influencing the oxygen dissociation curve. We conclude that effective erythroid output responsive to endogenous EPO drive in MDS is positively related to MCV, MCH and % HFR. Serum TfR may not represent effective output as precisely as % HFR, but may be proportional to total marrow erythropoietic activity. [less ▲]

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See detailL'hémorragie pulmonaire induite par l'exercise chez le cheval
Art, Tatiana ULg; Lekeux, Pierre ULg

in Pratique Vétérinaire Equine (1994), 26(1), 15-24

This review analyses the epidemiology, etiology, anatomo- and physiopathology, diagnosis and prevention of the syndrome of exercise-induced pulmonary hemorrhage in horses.

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See detailOnce-a-day administration of amikacin in neonates: clinical evidence of the validity of a pharmacokinetic according to the gestational age
Battisti, Oreste ULg; Wallemacq P; Langhendries JP

in Early Human Development (1994), 38

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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 detailMeasurement of apolipoproteins B and A by radial immunodiffusion: methodological assessment and clinical applications.
Cano, M. D.; Gonzalvo, C.; Scheen, André ULg et al

in Annales de Biologie Clinique (1994), 52(9), 657-61

The clinical evaluation of apolipoproteins is of interest in order to characterize the risk profile for ischemic heart disease both in normolipidemic and hyperlipidemic subjects. In the non-specialized ... [more ▼]

The clinical evaluation of apolipoproteins is of interest in order to characterize the risk profile for ischemic heart disease both in normolipidemic and hyperlipidemic subjects. In the non-specialized and/or small practice clinical laboratory, the measurement of some apolipoproteins can be undertaken by simple methods of immunological analysis, among which radial immunodiffusion can be of interest due to its simplicity of use and because it does not require specific equipment. In this work several methodological questions concerning the measurement of plasma apolipoproteins B and A by radial immunodiffusion have been addressed; the results show that this method is particularly reliable for the apo B assay. Regression analysis between values obtained with radial immunodiffusion and radioimmunoassay was r = 0.972 for apo B and r = 0.782 for apo A. The recovery rate was above 90% for both apolipoproteins (93.8% for apo B and 99.5% for apo A). The inter and intraassay coefficients of variation were below 5%, and the detection limits were estimated as 9.6 mg/dl for apo A and 6.9 mg/dl for apo B. Neither the ingestion of a standard breakfast (500 Cal, 17 g fat, 120 mg cholesterol) 2 h prior to testing nor freezing the sample significantly affected the measurement of apolipoproteins B and A. Mean plasma concentrations of both apolipoproteins measured by radial immunodiffusion in normo and hyperlipidemic subjects are also presented. [less ▲]

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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 detailChloride and Inorganic Phosphate Modulate Binding of Oxygen to Bovine Red Blood Cells
Gustin, Pascal ULg; Detry, Benoît; Cao, M. L. et al

in Journal of Applied Physiology (Bethesda, Md. : 1985) (1994), 77(1), 202-208

The influence of Pi and Cl on the equilibrium of oxygen binding to bovine red blood cells was assessed by plotting the whole blood oxygen dissociation curve measured under standard conditions with and ... [more ▼]

The influence of Pi and Cl on the equilibrium of oxygen binding to bovine red blood cells was assessed by plotting the whole blood oxygen dissociation curve measured under standard conditions with and without added KCl and K2HPO4. Both salts shifted the oxygen dissociation curve to the right. This effect was more marked at the highest saturation levels. At a given saturation level, the anion-induced shift was linearly related to the concentration of salt added to the blood. Cl had a greater effect than Pi. The relationship between changes in Po2 at 50% hemoglobin saturation (in Torr) and concentrations of ions added (in mmol/l) was equal to 0.0515[Cl] + 0.0302[Pi] (r2 = 0.94; P < 0.001). These changes were not due to the hyperosmolality induced by salt addition, since sucrose added in place of salts was without effect on the measured parameters. The oxygen exchange fraction expressed as percentage of saturation, i.e., the difference in hemoglobin saturation when Po2 decreases from 130 to 40 Torr, was linearly correlated to added anion concentration (in mmol/l) (= 0.102[Cl] + 0.059[Pi] (r2 = 0.95; P < 0.001)). No significant interaction between the anions was observed; their effects were purely additive. This original mechanism of controlling the oxygen affinity of bovine blood may have clinical relevance: Cl and Pi could be used to increase oxygen transport efficiency in hypoxic animals [less ▲]

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See detailBrucellose enzootique à Brucella suis biotype 2 chez le sanglier (sus scrofa) en Belgique
Godfroid, J.; Michel, P.; Uytterhaegen, L. et al

in Annales de Médecine Vétérinaire (1994), 138

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See detailSynthesis of barium-titanate by the sol-gel process
LEMOINE, Christine; Gilbert, Bernard ULg; MICHAUX, Bernard et al

in Journal of Non-Crystalline Solids (1994), 175(1), 1-13

Homogeneous BaTiO3 gels were prepared by hydrolysis and polycondensation reactions between titanium isopropoxide and barium hydroxide in the presence of methoxyethanol, methanol and water. Gel formation ... [more ▼]

Homogeneous BaTiO3 gels were prepared by hydrolysis and polycondensation reactions between titanium isopropoxide and barium hydroxide in the presence of methoxyethanol, methanol and water. Gel formation mechanisms were investigated by Raman scattering spectrometry. Two drying methods are carried out: either in air with a possible formation of barium carbonate or in a vacuum furnace, sheltered from CO2. The influence of the drying method on texture is studied through nitrogen adsorption-desorption isotherm analyses. A heat treatment is deduced from thermogravimetry and differential scanning calorimetry results. The influence of the calcining temperature on the texture and the crystallization of the solids has been measured. For the first time, the transformation at 900 degrees C from the cubic to the tetragonal form of BaTiO3 has been observed by polarization microscopy. [less ▲]

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See detailShape processing and analysis using the calypter
Pirard, Eric ULg

in Journal of Microscopy (1994), 175(3), 214-221

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See detailQue retenir d’une expérience d’éducation physique quotidienne dans le cadre d’une rénovation de l’enseignement fondamental?
Piéron, Maurice; Cloes, Marc ULg; Delfosse, Catherine et al

in Revue de l'Education Physique (1994), 34(2-3), 117-120

Un projet pédagogique de l'envergure de celui qui fut mis en place dans l'enseignement fondamental de la Communauté française de Belgique exige que l'on considère les effets possibles sous de multiples ... [more ▼]

Un projet pédagogique de l'envergure de celui qui fut mis en place dans l'enseignement fondamental de la Communauté française de Belgique exige que l'on considère les effets possibles sous de multiples éclairages. Par les personnes auxquelles il s'adresse, par la diversité de ces effets et par l'organisation qu'il requiert, par la nécessité de mettre en évidence les relations de causalité, il a nécessité une méthodologie d'évaluation multidimensionnelle. [less ▲]

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See detailInteractions between the biofilm growth and the hydrodynamics in an aerobic trickling filter
Lekhlif, B.; Toye, Dominique ULg; Marchot, Pierre ULg et al

in Water Science & Technology (1994), 29

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