References of "1996"
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See detailPrévention de l'ostéoporose postménopausique: œstrogènes et thérapeutiques non hormonales
Reginster, Jean-Yves ULg

in Revue Médicale de Liège (1996), 51(10), 649-53

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See detailElements de nosographie ORL et signal vocal
FINCK, Camille ULg

Scientific conference (1996, October)

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See detailCopropriété des immeubles et groupes d'immeubles bâtis
Hansenne, Jacques; Hallet, Georges; Martiny, Joseph et al

in Chroniques de droit à l'usage du notariat (1996, October)

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See detailSpecification and verification of a TTP protocol for the conditional access to services
Leduc, Guy ULg; Bonaventure, Olivier; Koerner, Eckhart et al

in Formal Methods and their Applications: Telecommunications, VLSI and Real-Time Computerized Control Systems (1996, October)

We use the formal language LOTOS to specify the Equicrypt protocol and verify its robustness to attacks by an intruder. We use the model-based CADP verification tools from the Eucalyptus toolbox to ... [more ▼]

We use the formal language LOTOS to specify the Equicrypt protocol and verify its robustness to attacks by an intruder. We use the model-based CADP verification tools from the Eucalyptus toolbox to discover some successful attacks against this protocol. [less ▲]

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See detailL'écologie, la photoclimatologie et la géographie vont-elles influencer la dermatologie de demain?
Pierard, Gérald ULg

in Revue Médicale de Liège (1996), 51(10), 647-8

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See detailCompétences sociales dans l'Enseignement Secondaire Spécial de Forme 3
Duchâteau, Dominique ULg; Gimenez, Rosalia; Peeters, Robert ULg

Report (1996)

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See detailSAXS analysis of the morphology of biocompatible and biodegradable poly(ε-caprolactone-b-glycolide) copolymers1
Sobry, R.; Van den Bossche, Guy ULg; Fontaine, F. et al

in Journal of Molecular Structure (1996), 383(1-3), 63-68

Poly(epsilon-caprolacrone-b-glycolide) diblock copolyesters have been synthesized by the sequential polymerization of epsilon-caprolactone and glycolide as initiated by aluminium alkoxides ... [more ▼]

Poly(epsilon-caprolacrone-b-glycolide) diblock copolyesters have been synthesized by the sequential polymerization of epsilon-caprolactone and glycolide as initiated by aluminium alkoxides. Copolymerization is typically ''living'' and yields copolyesters of perfectly controlled molecular weight and composition. Diblock molecular weight (Mn-PGA+Mn-PCL) ranges from 5700 to 42000 and the rho = Mn-PCL/Mn-PGA ratio varies from 1.5 to 13.1. Due to the inherent insolubility of the polyglycolide (PGA) segment in common organic solvent, the diblock copolyesters form stable non-aqueous colloidal dispersions e.g. in toluene, the stability of which results from the soluble poly(epsilon-caprolactone) (PCL) block. Combining all the experimental observations (PCS, TEM, WAXS, SAXS, AFM), a micelle model has been proposed which consists of a polyglycolide core surrounded with a corona of polycaprolactone (PCL). Both constituents are semi crystalline. From SAXS observations, the PGA core is better described by two concentric spheres. The internal sphere of a 5-6.7 nn diameter would essentially contain crystalline PGA. The diameter of the external sphere, D-PGA, is in the range from 6.2 to 9.6 nm, at least for the investigated diblock copolymers. As a rule, this diameter increases as rho decreases at constant molecular weight and as the diblock molecular weight increases at constant rho. A scattering peak (weak) is observed in the range from 10.8 to 15.5 nm and the Bragg distance is close mu D-PGA, where mu is equal to (1+3 rho/2)(1/3). From steric considerations, mu is the ratio between the diameter of the micelle and the diameter of the PGA core, so that this peak has been assigned to the characteristic intermicellar distance. At very small angles, several additional peaks are the signature of a hyperstructure which is possibly lamellar. [less ▲]

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See detailStructural and Functional Aspects of Chloride Binding to Alteromonas Haloplanctis Alpha-Amylase
Feller, Georges ULg; le Bussy, O.; Houssier, C. et al

in Journal of Biological Chemistry (1996), 271(39), 23836-41

Chloride is the allosteric effector of vertebrate pancreatic and salivary alpha-amylases and of the bacterial alpha-amylase from Alteromonas haloplanctis. Activation experiments of A. haloplanctis alpha ... [more ▼]

Chloride is the allosteric effector of vertebrate pancreatic and salivary alpha-amylases and of the bacterial alpha-amylase from Alteromonas haloplanctis. Activation experiments of A. haloplanctis alpha-amylase by several monovalent anions show that a negative charge, not restricted to that of Cl-, is essential for the amylolytic reaction. Engineering of the chloride binding site reveals that a basic residue is an essential component of the site. The mutation K337R alters the Cl--binding properties, whereas the mutation K337Q produces an active, chloride-independent enzyme. Comparison of the Kd values for Cl- in three homologous alpha-amylases also indicates that the binding affinity is dependent on the chloride coordination mode by this basic residue. Analysis of substrate and chloride binding according to the allosteric kinetic model shows that the chloride effector is not involved in substrate binding. By contrast, the pH dependence of activity and experiments of chemical modifications and Ca2+ inhibition show that the chloride ion is responsible for the pKa shift of catalytic groups and interacts with active site carboxyl groups. [less ▲]

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See detailOptimalization of green note aldehydes production by a hydroperoxide lyase
Fauconnier, Marie-Laure ULg; Chot, C. E.; Marlier, M.

Poster (1996, September 26)

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See detailLarge scale production of 13-hydroperoxilinolenic acid using soybean lipoxygenase
Fauconnier, Marie-Laure ULg; Dessart, V.; Marlier, M.

Conference (1996, September 26)

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See detail'Self-Assembly of Alkanethiols on Gold: Molecular Structure and Surface Order Evidenced by XPS, UPS and HREELS'
Duwez, Anne-Sophie ULg; Yu, L.M.; Pireaux, J. et al

Conference (1996, September 23)

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See detailEuropean Citizenship
Martiniello, Marco ULg

Scientific conference (1996, September 23)

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See detailIntraarterial spiral CT angiography combined with DSA in pretherapeutic assessment of cerebral aneurysms.
Flandroy, P.; Vanderschelden, P.; Dondelinger, Robert ULg et al

Conference (1996, September 21)

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See detailModèle Hydrologique Basé sur la Physique du Ruissellement Applicable à des Terrains Naturels Digitalisés
Pirotton, Michel ULg

in 24èmes journées de l'Hydraulique (1996, September 18)

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See detailObservations on the Helminths of Harbour Porpoises (Phocoena Phocoena) and Common Guillemots (Uria Aalge) from the Belgian and German Coasts
Brosens, L.; Jauniaux, Thierry ULg; Siebert, U. et al

in Veterinary Record : Journal of the British Veterinary Association (1996), 139(11), 254-7

Between February 1990 and July 1991, 18 harbour porpoises (Phocoena phocoena) and 248 common guillemots (Uria aalge), found dead along the Belgian and German coasts, were examined for their burden of ... [more ▼]

Between February 1990 and July 1991, 18 harbour porpoises (Phocoena phocoena) and 248 common guillemots (Uria aalge), found dead along the Belgian and German coasts, were examined for their burden of helminths. A total of three species were found in the guillemots (one cestode, one nematode and one pentastomid), and six species in the porpoises (one trematode, one cestode and four nematodes). Among the guillemots the burden of helminths was not statistically different between juvenile and adult birds. The deaths of the birds were apparently not related to the parasite infections. In contrast, the adult porpoises were more heavily parasitised than the juveniles, except for one young porpoise stranded on the Belgian coast. In the porpoises, four species of parasites had a pathological effect and Torynurus convolutus was responsible for the death of one animal from the Belgian coast and three from the German coast. [less ▲]

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See detailInterests of pregnancy follow-up in cows after embryo transfer : special focusing on IVP & NT
Ectors, Fabien ULg; Drion, Pierre ULg; Delval, A. et al

(1996, September 13)

In this report, pregnancies were obtained after extreme in vitro conditions- IVM/F/C of the donor embryos, - IVM, enucleation and artificial activation of the recipient oocytes, - nuclear transfer and ... [more ▼]

In this report, pregnancies were obtained after extreme in vitro conditions- IVM/F/C of the donor embryos, - IVM, enucleation and artificial activation of the recipient oocytes, - nuclear transfer and - IVC of the reconstituted embryos. Even if the incidence of this syndrome is relatively low after embryo transfer, a possible increasing of its occurence cannot be excluded in correlation with an incomplete maturation of oocytes at the time of fertilization, smaller follicles giving non competent or partially competent oocytes. An other explanation of this syndrome resulting in the higher variation in newborn calves weight may be also partly explained by the in vitro conditions. The gametes and/or embryos may be submitted to media containing embryotoxic substances. In the other hand, gametes and/or embryos may not found embryotrophic substances in the media like growth factors... Owing to this phenomenon, strict recommendations should be followed concerning rigorous follow-up of pregnancies obtained after transfer of IVM/IVF/IVC or cloned embryos by pregnancy proteins (PSPB, PAG...) or hormone (placental lactogen, estrone sulfate) assay and, after birth, macroscopic examinations of newborn, cord and caroncules. [less ▲]

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