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See detailInventaire des archives de la Société anonyme d'Ougrée-Marihaye (1835-1955)
Delvaux, Anne-Catherine ULg

Book published by Archives générales du Royaume (2011)

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See detailSynthesis and Catalytic Evaluation of Ruthenium-Arene Complexes Bearing Imidazol(in)ium-2-thiocarboxylate Ligands
Hans, Morgan ULg; Willem, Quentin ULg; Wouters, Johan et al

in Organometallics (2011), 30(22), 6133-6142

Five new complexes with the generic formula [RuCl(2)(p-cymene)(SOC.NHC)] (2-6) were isolated in high yields by reacting the [RuCl(2)(p-cymene)](2) dimer with a range of imidazol(in)ium-2-thiocarboxylate ... [more ▼]

Five new complexes with the generic formula [RuCl(2)(p-cymene)(SOC.NHC)] (2-6) were isolated in high yields by reacting the [RuCl(2)(p-cymene)](2) dimer with a range of imidazol(in)ium-2-thiocarboxylate zwitterions bearing cyclohexyl, 2,4,6-trimethylphenyl (mesityl), or 2,6-diisopropylphenyl groups on their nitrogen atoms in CH(2)Cl(2) at -20 degrees C. All the products were fully characterized by IR and NMR spectroscopy, and the molecular structures of [RuCl(2)(p-cymene)(SOC.IMes)] (3) and [RuCl(2)(p-cymene)(SOC.SIMes)] (5) were determined by X-ray diffraction analysis. Coordination of the NHC.COS ligands took place via the sulfur atom. A remarkable shielding of the methine proton on the p-cymene isopropyl group was observed by (1)H NMR spectroscopy for complexes 3-6. It is most likely caused by the aromatic ring current of a neighboring mesityl or 2,6-diisopropylphenyl substituent. The catalytic activity of compounds 2-6 was probed in the ring-opening metathesis polymerization (ROMP) of cyclooctene, in the atom transfer radical polymerization (ATRP) of methyl methacrylate, and in the synthesis of enol esters from 1-hexyne and 4-acetoxybenzoic acid. In all these reactions, the [RuCl(2)(p-cymene)(SOC.NHC)] complexes displayed performances slightly inferior to those exhibited by [RuCl(2)(p-cymene)(NHC)] species that result from the reaction of [RuCl(2)(p-cymene)](2) with NHC.CO(2) inner salts. However, they were significantly better catalyst precursors than the much more robust chelates of the [RuCl(p-cymene)(S(2)C.NHC)PF(6) type obtained by coordination of NHC.CS(2) betaines to the ruthenium dimer. These results suggest that the Ru-(SOC.NHC) motif undergoes a dethiocarboxylation under the experimental conditions adopted for the catalytic tests and leads to the same elusive Ru-NHC active species as the preformed [RuCl(2)(p-cymene)-(NHC)] family of complexes. [less ▲]

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See detailDevelopment and validation of a ultra-high-performance liquid chromatography-UV method for the detection and quantification of erectile dysfunction drugs and some of their analogues found in counterfeit medicines
Sacré, Pierre-Yves ULg; Deconinck, Eric; Chiap, Patrice ULg et al

in Journal of Chromatography. A (2011), 1218

Pharmaceutical counterfeiting is a permanently growing problem. Control laboratories are constantly analysing counterfeit medicines. In industrialised countries, one of the main counterfeited class of ... [more ▼]

Pharmaceutical counterfeiting is a permanently growing problem. Control laboratories are constantly analysing counterfeit medicines. In industrialised countries, one of the main counterfeited class of medicines are erectile dysfunction drugs. This paper describes the development and validation of a fast method to detect and quantify the three authorised phosphodiesterase type 5 inhibitors and five analogues. The method is based on the use of a sub-2 microns polar-embedded column with a gradient using acetonitrile as organic modifier and 10 mM ammonium formate buffer (pH 3.5) as aqueous component of the mobile phase. The separation was achieved in less than 4.5 min. The method has also been compared to the registered HPLC method for the assay of Viagra® which was considered as the reference method. The method is also compatible with on-line coupling mass spectrometry and will significantly reduce analysis times and solvent consumption. [less ▲]

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See detailComments on: Inference in multivariate Archimedean copulas models
Lambert, Philippe ULg

in Test (2011), 20

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See detailStudying RNA-Protein Interactions In Vivo By RNA Immunoprecipitation
Selth, L. A.; Close, Pierre ULg; Svejstrup, J. Q.

in Methods in Molecular Biology (Clifton, N.J.) (2011), 791

The crucial roles played by RNA-binding proteins in all aspects of RNA metabolism, particularly in the regulation of transcription, have become increasingly evident. Moreover, other factors that do not ... [more ▼]

The crucial roles played by RNA-binding proteins in all aspects of RNA metabolism, particularly in the regulation of transcription, have become increasingly evident. Moreover, other factors that do not directly interact with RNA molecules can nevertheless function proximally to RNA polymerases and have significant effects on gene expression. RNA immunoprecipitation (RIP) is a powerful technique used to detect direct and indirect interactions between individual proteins and specific RNA molecules in vivo. Here, we describe RIP methods for both yeast and mammalian cells. [less ▲]

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See detailModélisation numérique de l'expérience SDZ pour l'Andra
Pardoen, Benoît ULg; Charlier, Robert ULg; Radu, Jean-Pol ULg

Report (2011)

An in situ ventilation test (SDZ) is performed by the French national radioactive waste management agency (ANDRA) in the Meuse/Haute-Marne underground research laboratory. The aim is to characterise the ... [more ▼]

An in situ ventilation test (SDZ) is performed by the French national radioactive waste management agency (ANDRA) in the Meuse/Haute-Marne underground research laboratory. The aim is to characterise the effect of the desaturation and possible resaturation of the damaged zone located around an experimental gallery due to controlled ventilation imposed in this gallery. Hydro and hydro-mechanical numerical modellings are realised in order to acquire a better understanding of clayey rock behaviour and transfers occurring during the test. [less ▲]

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See detail11th Symposium on Fossil Cnidaria and Porifera, Liège, August 19-29, 2011: Abstracts
Aretz, Markus; Delculee, Sandrine; Denayer, Julien ULg et al

Book published by Kölner Forum für Geologie und Paläontologie (2011)

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See detailThree-dimensional void space structure of activated carbon packed beds
Almazan Almazan, Maria Del Carmen; Léonard, Angélique ULg; Job, Nathalie ULg et al

in Journal of Porous Materials (2011), 18

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See detailRate of Malignancies and Infections in a Large Single Center Cohort of IBD Patients Treated With Thiopurines and Anti-TNF-Antibodies.
Ochsenkühn, T; Steinborn, A; Beigel, F et al

in Journal of Crohn’s and Colitis (2011)

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See detailIntroduction sur la croissance
Kaux, Jean-François ULg

Learning material (2011)

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See detailEffective Production of the Biodiesel Additive STBE by a Continuous Flow Process
Monbaliu, Jean-Christophe ULg; Winter, Marc; Chevalier, Bérengère et al

in Bioresource Technology (2011), 102

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See detailInventaire des archives de la Compagnie générale des Conduites d'Eau (1865-1965)
Delvaux, Anne-Catherine ULg

Book published by Archives générales du Royaume (2011)

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See detailModeling post-combustion CO2 capture with amine solvents
Léonard, Grégoire ULg; Heyen, Georges ULg

in Computer Aided Chemical Engineering (2011), 29

Carbon capture and storage is a technology that can contribute to face the challenge of rising energy demand combined with a growing environmental awareness. In the present work, the CO2 capture process ... [more ▼]

Carbon capture and storage is a technology that can contribute to face the challenge of rising energy demand combined with a growing environmental awareness. In the present work, the CO2 capture process with monoethanolamine (MEA) is modeled using the simulation tool Aspen Plus. Two different modeling approaches are studied and compared: the equilibrium and the rate-based approaches. An optimization of key process parameters is performed and process modifications are studied with the objective of improving the global process energy efficiency. [less ▲]

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See detailPredictive modelling of the combined effect of temperature and water activity (aw) on the in vitro growth of Erwinia spp infecting potato tubers in Belgium
Moh, Augustin; Massart, Sébastien ULg; Lahlali, Rachid et al

in Biotechnologie, Agronomie, Société et Environnement = Biotechnology, Agronomy, Society and Environment [=BASE] (2011), 15(3), 378-386

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See detailUne précision constitutionnelle du domaine d'application de la revalorisation des récompenses? Note sous C.const. 16 septembre 2010
Laruelle, Julie ULg

in Revue de Jurisprudence de Liège, Mons et Bruxelles (2011)

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See detailL’adaptation au changement climatique en région wallonne : Fiche thématique : Forêt
Frisson, Gwenn ULg; Monty, Arnaud ULg; Mahy, Grégory ULg et al

Report (2011)

• Les changements attendus sont importants mais difficiles à quantifier. Seules des tendances peuvent être dégagées. • Pour le domaine de la forêt, il est d’autant plus nécessaire d’anticiper les effets ... [more ▼]

• Les changements attendus sont importants mais difficiles à quantifier. Seules des tendances peuvent être dégagées. • Pour le domaine de la forêt, il est d’autant plus nécessaire d’anticiper les effets du changement climatique dès maintenant, étant donné la longévité importante des arbres forestiers. • Favoriser l’adaptation naturelle et augmenter la résilience au changement de la forêt peut se faire au moyen d’une sylviculture plus durable et plus proche du fonctionnement naturel de l’écosystème forestier. Diminuer les menaces d’ordre non climatique participe également à cela. • La forêt ne doit pas seulement se mesurer en termes de valeur intrinsèque mais également en termes de services écosystémiques. [less ▲]

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See detailDenosumab therapy in postmenopausal women with osteoporosis : results from the first two years of the freedom trial extension
Bone, H. G.; Chapurlat, R.; Brandi, M. L. et al

in Endocrine Reviews (2011), 32

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See detailIdentification and characterization of novel galectin-9 splice variants in endothelial cells
Heusschen, Roy ULg; De Bree, Martijn; Griffioen, Arjan et al

in Cancer Research (2011)

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See detailGenou douloureux de l'enfant sportif
Kaux, Jean-François ULg

Learning material (2011)

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