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See detailPréparation des échantillons pharmaceutiques
Hubert, Philippe ULg; Habyalimana, Védaste; Marini Djang'Eing'A, Roland ULg et al

Learning material (2008)

Fournir des bases et une information générale sur le principe de la préparations des spécialités pharmaceutiques avant leur analyse dans le cadre d'un contrôle de qualité. Donner les règles d'acceptation ... [more ▼]

Fournir des bases et une information générale sur le principe de la préparations des spécialités pharmaceutiques avant leur analyse dans le cadre d'un contrôle de qualité. Donner les règles d'acceptation de leur conformité. [less ▲]

Detailed reference viewed: 237 (50 ULg)
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See detailPréparation du malade porteur d'une bronchopneumopathie obstructive
Brichant, Jean-François ULg; Bonnet, D.

in La consultation d'anesthésie et la préparation et la préparation du malade à l'intervention (1997)

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See detailPréparation enzymatique de peptides du type (L)meso-diaminopimélyl(L)-D-Ala[14C]: par réactions d'échange entre les peptides correspondants non radioactifs et la D-alanine [14C]
Arminjon, François; Guinand, Micheline; Michel, Georges et al

in Biochimie (1976), 58(10), 1167-1172

Membrane bound LD-transpeptidase of Streptococcus faecalis ATCC 9790 was used to catalyse transpeptidation reactions between non radioactive peptide donors of the general type: L-Ala-D-Glu (L)meso-A2pm(L ... [more ▼]

Membrane bound LD-transpeptidase of Streptococcus faecalis ATCC 9790 was used to catalyse transpeptidation reactions between non radioactive peptide donors of the general type: L-Ala-D-Glu (L)meso-A2pm(L)-D-Ala and D-(14C) alanine acceptor. The presence of one or two amide residues on the carboxyl groups of glutamic acid and meso-diaminopimelic acid increases the transfer reactions and subsequently the yield in radioactive peptides L-Ala-D-Glu (L)meso-A2pm(L)-D-(14C) Ala. [less ▲]

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See detailLa préparation magistrale dermatologique
Piel, Géraldine ULg

Scientific conference (2009, April 23)

Detailed reference viewed: 31 (2 ULg)
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See detailPreparation method of (co)oligomer or (co)polymer by in-situ polymerization of monoethylenically unsaturated monomer and oligomer or polymer secondary amine to control molecular weight and molecular structure
Detrembleur, Christophe ULg; Rüdiger, Claus; Meyer, Rolf-Volker

Patent (2004)

PURPOSE: Provided is a method for preparing a (co)oligomer or a (co)polymer having a controlled molecular weight, a controlled molecular weight and a narrow polydispersity at a relatively low temperature ... [more ▼]

PURPOSE: Provided is a method for preparing a (co)oligomer or a (co)polymer having a controlled molecular weight, a controlled molecular weight and a narrow polydispersity at a relatively low temperature and for a short time. CONSTITUTION: The method comprises the steps of mixing at least one monoethylenically unsaturated monomer represented by HR1C=CR2R3, at least one oxidant, at least one polymer or oligomer represented by the formula 1, and optionally a free radical initiator; and heating the mixture at a temperature of 0-220 deg.C, wherein R1, R2 and R3 are independently H, a C1-C20 alkyl group, a C1-C20 cycloalkyl group, a C6-C24 aryl group, a halogen atom, a cyano group, a C1-C20 alkyl ester group, a C1-C20 cycloalkyl ester group, a C1-C20 alkylamide group, a C1-C20 cycloalkylamide group, a C6-C24 aryl ester group or a C6-C24 arylamide group; Y is an organic residue based on the monomer corresponding to HR1C=CR2R3; m is an integer of 1-50; n is an integer of 1-300; I1 is an initiator; and R4 and X are a secondary or tertiary carbon atom and are independently selected from the group consisting of a C1-C18 alkyl group, a C2-C18 alkenyl group, a C2-C18 alkynyl group, a C3-C12 cycloalkyl group, a C3-C12 hetero cycloalkyl group or a C6-C24 aryl group unsubstituted or substituted with NO2, a halogen atom, an amino group, a hydroxyl group, a cyano group, a carboxyl group, a ketone group, a C1-C4 alkoxy group, a C1-C4 alkylthio group or a C1-C4 alkylamino group. [less ▲]

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See detailUne préparation multimédias à affronter les conflits professeur-élèves en classe
Leclercq, Dieudonné ULg; Rommes, O.; Georges, François ULg et al

in Education-Formation (1998), 36130

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See detailPreparation of a Macroporous Biodegradable Polylactide Implant for Neuronal Transplantation
Schugens, C.; Grandfils, Christian ULg; Jérôme, Robert ULg et al

in Journal of Biomedical Materials Research (1995), 29(11), 1349-62

This article reports the production of a surgical implant meeting several specific requirements such as biocompatibility, biodegradability, macroporosity, and flexibility. Porosity was controlled by an ... [more ▼]

This article reports the production of a surgical implant meeting several specific requirements such as biocompatibility, biodegradability, macroporosity, and flexibility. Porosity was controlled by an original method consisting of the aggregation of calibrated poly-D,L-lactide microparticles. The size of the interstices between the aggregated microspheres was in a direct relationship to the microsphere diameter. A first approach was based on coating the microspheres with poly(vinyl alcohol) followed by chemically crosslinking the coating layers that were in mutual contact. This method was disregarded because of the acute cytotoxicity of glutaraldehyde used as the crosslinking agent, the absence of macroporosity, and the complete lack of flexibility. A physical technique of aggregation was then tested, which relied on the plasticization of poly-D,L-lactide microspheres with triethylcitrate to the point where microspheres strongly adhered to each other when they were in contact. This method has proved to be straightforward and definitely superior to the chemical approach, particularly with respect to cytotoxicity, control of macroporosity, and flexibility. A polymer support was thus successfully which was biodegradable, macroporous( interconnected pores of 10-100 microns in diameter), and flexible. This potential medical device is presently being used for neuronal transplantation in the central nervous system. [less ▲]

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See detailPreparation of A Rapeseed Sample With A Certified Content In Total Glucosinolates (CRM 190)
Wathelet, Jean-Paul ULg; Marlier, M.; Severin, M. et al

in Revue Française des Corps Gras (1989), 36(7-8),

The preparatton af one rapeseed with known content tn total glucosinolates (CRM 190) and the steps taken to confirm their homogeneity and stabtlity are described. Details are presented of the ... [more ▼]

The preparatton af one rapeseed with known content tn total glucosinolates (CRM 190) and the steps taken to confirm their homogeneity and stabtlity are described. Details are presented of the collaborative exercice which led to the certification. lndicative values are given for the content of individual glucosinolates, amino acids, and fatty acids. [less ▲]

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See detailPreparation of BaZrO3 powders by a spray-drying process
Robertz, B.; Boschini, Frédéric ULg; Rulmont, André ULg et al

in Journal of Materials Research (2003), 18(6), 1325-1332

The potential use of barium zirconate for the manufacture of corrosion-resistant substrates emphasizes the need for a simple, inexpensive, and easily scalable process to produce high-quality powders with ... [more ▼]

The potential use of barium zirconate for the manufacture of corrosion-resistant substrates emphasizes the need for a simple, inexpensive, and easily scalable process to produce high-quality powders with well-controlled composition and properties. However, the classical solid-state preparation of barium zirconate leads to an inhomogeneous powder unsuitable for applications in highly corrosive environment. For this paper, the possibility to use the spray-drying technique for the preparation of BaZrO3 powders with a controlled size distribution and morphology was investigated. The influence of the nature and concentration of the precursor solution and the influence of the spray-drying step are discussed on the basis of x-ray diffraction, Fourier transform infrared spectroscopy, scanning electron microscopy, and dilatometric measurements. [less ▲]

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See detailPreparation of chitosan-based nanofibers with multilayered structure
Croisier, Florence ULg; Duwez, Anne-Sophie ULg; Dijkstra, P. J. et al

Conference (2011, May 12)

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See detailPreparation of CMI-1 supported H3+xPMo12-xVxO40 for the selective oxidation of propylene
Benadji, S.; Eloy, P.; Léonard, Alexandre ULg et al

in Studies in Surface Science and Catalysis (2010), 175

Catalysts, comprising 30 wt.% of heteropolyacids (HPAs) H 3+xPMo 12-xV xO 40 (x = 0-3) supported on a mesoporous material CMI-1 by dry impregnation were characterized by several techniques. Their ... [more ▼]

Catalysts, comprising 30 wt.% of heteropolyacids (HPAs) H 3+xPMo 12-xV xO 40 (x = 0-3) supported on a mesoporous material CMI-1 by dry impregnation were characterized by several techniques. Their catalytic performances were compared to those of bulk HPAs in the propylene oxidation by molecular oxygen at 350°C. The supported HPAs exhibit higher catalytic activity in propylene oxidation than the bulk ones and favoured the formation of acrolein, acetaldehyde and acetic acid, compared to the mother catalysts which lead only to the formation of COx. The enhanced oxidation catalytic activity of supported systems was attributed to the fine dispersion of H 3+xPMo 12-xVxO 40 species on the CMI-1 mesoporous material via physical adsorption, together with the fact that the structure of both CMI-1 and HPAs remained intact during the impregnation. © 2010 Elsevier B.V. All rights reserved. [less ▲]

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See detailPreparation of cross-linked chitosan-based nanofibers as wound dressing
Aqil, Abdelhafid ULg; Ziani, K.; Tchemtchoua Tateu, Victor ULg et al

Poster (2009, November 18)

Detailed reference viewed: 51 (19 ULg)