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See detailKinetic of the hydrolysis of pectin galacturonic acid chains and quantification by ionic chromatography
Garna, H.; Mabon, N.; Nott, Katherine ULg et al

in Food Chemistry (2006), 96(3), 477-484

These experiments were designed to develop a rapid, repeatable and accurate analysis method for the quantification of galacturonic acid of pectins. Different pectin hydrolysis procedures (chemical and ... [more ▼]

These experiments were designed to develop a rapid, repeatable and accurate analysis method for the quantification of galacturonic acid of pectins. Different pectin hydrolysis procedures (chemical and enzymatic) were carried out with H2SO4, TFA and HCl at different acid concentrations (0.2, 1 and 2 M) and temperatures (80 and 100 degrees C). Enzymatic and combined chemical and enzymatic hydrolysis of pectin were also studied. A acid hydrolysis under drastic conditions (100 degrees C) is insufficient for complete hydrolysis and results in low recovery of galacturonic acid residues. Mild chemical hydrolysis (0.2, 1 and 2 M H2SO4 72 h at 80 degrees C) is also insufficient for complete depolymerization. Its main advantage is cleavage of the galacturonic acid chains into oligomeric forms without any degradation within 72 h of hydrolysis. However, enzymatic hydrolysis with VL9 for 2 h at 50 degrees C and combined chemical and enzymatic hydrolysis (0.2 M TFA at 80 degrees C for 72 h and VL9) give high recovery of this acid. Analysis of the liberated sugar residue by HPAEC allows us to determine the galacturonic acid composition of this polysaccharide accurately with high selectivity and sensitivity in one assay without the need for derivatization. (c) 2005 Elsevier Ltd. All rights reserved. [less ▲]

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See detailAP 11, 15 (Ammianos): Dreifacher Schutz vor dem Tode
Vanhaegendoren, Koen ULg

in Eranos (2006), 104(2), 113-116

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See detailMultisegmented tangential breast fields: an effective step towards IMRT without a significantly higher secondary cancer risk
GULYBAN, Akos ULg; Kovács, Péter; Bellyei, Szabolcs et al

in Radiotherapy & Oncology (2006), 81(suppl 1), 172

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See detailIon beam induced luminescence of minerals
Calvo Del Castillo, Helena ULg; Ruvalcaba Sil, Jose Luis; Calderón, Tomás

Poster (2006)

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See detailLa peau et le temps de la menopause.
Thirion, Laurence; Franchimont, Claudine ULg; Arrese Estrada, Jorge ULg et al

in Revue Médicale de Liège (2006), 61(3), 159-62

The estrogen deficit occurring at menopause manifests itself under various modalities in the diverse organs and their functions. Skin does not escape this global involutive process. In addition to the ... [more ▼]

The estrogen deficit occurring at menopause manifests itself under various modalities in the diverse organs and their functions. Skin does not escape this global involutive process. In addition to the effects of chronological ageing, sunlight exposure and other environmental and endogenous stimuli, the climacteric appears to exert some dramatic consequences on skin biology and aspect. The epidermis, its adnexae and the dermis are altered by this process. The epidermis may become xerotic and exhibits altered functions. The dermis thins out and its elasticity decreases in concert with the decline in bone mass. The skin microcirculation is impaired. These aspects are some of the better-worked out skin climacteric changes of which in turn seem to be stabilized or in part reversible with hormone replacement therapy (HRT). [less ▲]

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See detailComparative study of durability test methods for pellets and briquettes
Temmerman, Michaël ULg; Rabier, Fabienne; Daugbjerg Jensen, Peter et al

in Biomass & Bioenergy (2006)

Different methods for the determination of the mechanical durability (DU) of pellets and briquettes were compared by international round robin tests including different laboratories. The DUs of five ... [more ▼]

Different methods for the determination of the mechanical durability (DU) of pellets and briquettes were compared by international round robin tests including different laboratories. The DUs of five briquette and 26 pellet types were determined. For briquettes, different rotation numbers of a prototype tumbler and a calculated DU index are compared. For pellets testing, the study compares two standard methods, a tumbling device according to ASAE S 269.4, the Lignotester according to O¨ NORM M 7135 and a second tumbling method with a prototype tumbler. For the tested methods, the repeatability, the reproducibility and the required minimum number of replications to achieve given accuracy levels were calculated. Additionally, this study evaluates the relation between DU and particle density. The results show for both pellets and briquettes, that the measured DU values and their variability are influenced by the applied method. Moreover, the variability of the results depend on the biofuel itself. For briquettes of DU above 90%, five replications lead to an accuracy of 2%, while 39 replications are needed to achieve an accuracy of 10%, when briquettes of DU below 90% are tested. For pellets, the tumbling device described by the ASAE standard allows to reach acceptable accuracy levels (1%) with a limited number of replications. Finally, for the tested pellets and briquettes no relation between DU and particle density was found. [less ▲]

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See detailL'asthme: diagnostic et évaluation.
LOUIS, Renaud ULg

in Demedts, M; Yernault, JC; Pauwels, R (Eds.) Asthme et BPCO (2006)

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See detailNew trends in the diagnosis and treatment of recurrent inflammation in competition horses
Lekeux, Pierre ULg; Thomas, A.; Art, Tatiana ULg et al

in Pferdeheilkunde (2006)

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See detailLa dispute: un mode particulier du conflit verbal enfantin
Meunier, Deborah ULg

in Ionescu-Ruxndoiu (Ed.) Cooperation and conflict in ingroup and intergroup communication: selected papers from Xth biennial Congress of the IADA (2006)

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See detailJustinianus, Institutiones - Libri feudorum
Adam, Renaud ULg

in Bousmanne, Bernard; Thieffry, Sandrine; Wijsman, Hanno (Eds.) Filips de Schone (1478-1506) : schatten van de laatste hertog van Bourgondië : [tentoonstelling : Brussel, Koninklijke Bibliotheek van België, Nassaukapel, van 3 november 2006 tot 27 januari 2007] : catalogus (2006)

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See detailEchinoderm skeletons record sea temperatures
Ranner, Herwig; Ladrière, Ophélie ULg; Navez, Jacques et al

Poster (2006)

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See detailTableau clinique et mécanismes physiopathologiques des principales maladies inflammatoires chroniques des voies respiratoires du cheval
Mesnil, Claire ULg; Bureau, Fabrice ULg; Lekeux, Pierre ULg

in Annales de Médecine Vétérinaire (2006), 150(4), 227-240

The respiratory tract of the horse can be the seat of several chronic inflammatory diseases whose principal ones are the recurrent airway obstruction, the inflammatory airway disease, the summer pasture ... [more ▼]

The respiratory tract of the horse can be the seat of several chronic inflammatory diseases whose principal ones are the recurrent airway obstruction, the inflammatory airway disease, the summer pasture-associated obstructive pulmonary disease and the follicular pharyngitis. These diseases can have an important impact on horses’ health and on their sports performances. A good knowledge of their aetiologies and their physiopathological mechanisms would allow a better control of these affections. However, even if many studies were made on this subject, there are currently very few certainties as for the inflammatory mechanisms governing these diseases. This article aims to make an inventory of knowledge and deficiencies concerning these four chronic inflammatory diseases [less ▲]

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See detailHistone deacetylase 7 is involved in the control of angiogenesis by regulating platelet-derived growth factor-β
Mottet, Denis; Bellahcene, Akeila ULg; Deroanne, Christophe et al

Conference (2006)

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See detailA mutation creating a potential illegitimate microRNA target site in the myostatin gene affects muscularity in sheep.
Clop, Alex; Marcq, Fabienne ULg; Takeda, Haruko ULg et al

in Nature Genetics (2006), 38(7), 813-8

Texel sheep are renowned for their exceptional meatiness. To identify the genes underlying this economically important feature, we performed a whole-genome scan in a Romanov x Texel F2 population. We ... [more ▼]

Texel sheep are renowned for their exceptional meatiness. To identify the genes underlying this economically important feature, we performed a whole-genome scan in a Romanov x Texel F2 population. We mapped a quantitative trait locus with a major effect on muscle mass to chromosome 2 and subsequently fine-mapped it to a chromosome interval encompassing the myostatin (GDF8) gene. We herein demonstrate that the GDF8 allele of Texel sheep is characterized by a G to A transition in the 3' UTR that creates a target site for mir1 and mir206, microRNAs (miRNAs) that are highly expressed in skeletal muscle. This causes translational inhibition of the myostatin gene and hence contributes to the muscular hypertrophy of Texel sheep. Analysis of SNP databases for humans and mice demonstrates that mutations creating or destroying putative miRNA target sites are abundant and might be important effectors of phenotypic variation. [less ▲]

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See detailIodide organification disorder in autonomous thyroid nodule.
Tang, B.; Corvilain, B.; Seret, Alain ULg et al

in European Journal of Nuclear Medicine and Molecular Imaging (2006), 33(S2), 351

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See detailSeismic microzonation of slopes susceptible to landsliding : Use of Ambient noise and Earthquake Ground Motion Measurements
Havenith, Hans-Balder ULg; Torgoev, Isakbek; Alvarez, Sonya et al

in Geophysical Research Abstracts (2006)

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