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See detailOccupational Activities and Cognitive Reserve: a Frontier Approach Applied to the Survey on Health, Ageing, and Retirement in Europe (SHARE)
Adam, Stéphane ULg; Bonsang, Eric; Germain, Sophie ULg et al

Report (2006)

The aim of this paper was to use a parametric stochastic frontier approach (coming from the economic literature) to explore the impact of the concept of activity (taken in a broad sense: i.e., including ... [more ▼]

The aim of this paper was to use a parametric stochastic frontier approach (coming from the economic literature) to explore the impact of the concept of activity (taken in a broad sense: i.e., including both professional and non-professional activities) on the constitution and the care of cognitive reserve among the European population aged 50 and up. For this purpose, we use individual data collected during the first wave of SHARE (Survey on Health, Ageing and Retirement in Europe) performed in 2004. The advantages of this survey were (1) it included a large population (n = 18,623) geographically distributed throughout Europe; and (2) it simultaneously analyzed several dimensions (physical and mental health, mobility, occupational activities, socioeconomic status, etc.). Our results confirm the positive impact of occupational activities on the cognitive functioning of elderly people. These results are discussed in terms of the prevention of cognitive aging and Alzheimer’s disease, and more particularly of retirement policy issues. [less ▲]

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See detailDévelopper une approche par compétences dans la formation universitaire. Bilan de trois expériences en géographie urbaine et économique
Merenne-Schoumaker, Bernadette ULg

in Bulletin de la Société Géographique de Liège (2006), (48), 55-64

In this article, we’ll be wondering about the point, the challenges and the limits of integrating competences in Higher Education, starting from three experiences lead in Urban and Economic Geography. For ... [more ▼]

In this article, we’ll be wondering about the point, the challenges and the limits of integrating competences in Higher Education, starting from three experiences lead in Urban and Economic Geography. For this purpose, we’ve managed to combine works from Higher Education specialists and observations from the field. This reflection has been built in three stages. First, we’ll be reminding the foundations and specificities of the competence based approach. Then, we’ll be analysing our three experiences with the help of a common grid allowing us to successively consider the original needs and motivations, the process design, its trial and its adjustment. Finally, we’ll be trying to draw conclusion in terms of impacts on the students learning process, and impacts on the way teachers approach their teaching process, its limits and constraints. [less ▲]

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See detailDétection des bifidobactéries dans le lait cru
Delcenserie, Véronique ULg

Scientific conference (2006)

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See detailFonctions affines par morceaux : une modélisation de la pratique des financiers
Bair, Jacques ULg; Henry, Valérie ULg

in Justens, Daniel (Ed.) Mathématiques concrètes (2006)

Nous montrons que les pratiques des financiers font apparaître tout naturellement des fonctions affines par morceaux.

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See detailA finite element analysis of spatial solitons in optical fibres
Nicolet, A.; Drouart, F.; Renversez, G. et al

in Proceedings of the XIX Symposium on Electromagnetic Phenomena in Nonlinear Circuits (EPNC 2006) (2006)

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See detailImprints of glacial refugia in the modern genetic diversity of Pinus sylvestris
Cheddadi, R.; Vendramin, G. G.; Litt, T. et al

in Global Ecology And Biogeography (2006), 15(3), 271-282

Aim To understand the impact of glacial refugia and migration pathways on the modern genetic diversity of Pinus sylvestris. Location The study was carried out throughout Europe. Methods An extended set of ... [more ▼]

Aim To understand the impact of glacial refugia and migration pathways on the modern genetic diversity of Pinus sylvestris. Location The study was carried out throughout Europe. Methods An extended set of data of pollen and macrofossil remains was used to locate the glacial refugia and reconstruct the migrating routes of P. sylvestris throughout Europe. A vegetation model was used to simulate the extent of the potential refugia during the last glacial period. At the same time a genetic survey was carried out on this species. Results The simulated distribution of P. sylvestris during the last glacial period is coherent with the observed fossil data, which showed a patchy distribution of the refugia between c. 40 degrees N and 50 degrees N. Several migrational fronts were detected within the Iberian and the Italian peninsulas, and outside the Hungarian plain and around the Alps. The modern mitochondrial DNA depicted three different haplotypes for P. sylvestris. Two distinct haplotypes were restricted to northern Spain and Italy, and the third haplotype dominated most of the present-day remaining distribution range of P. sylvestris in Europe. Main concluions During the last glacial period P. sylvestris was constrained under severe climatic conditions to survive in scattered and restricted refugial areas. Combining palaeoenvironmental data, vegetation modelling and the genetic data, we have shown that the long-term isolation in the glacial refugia and the migrational process during the Holocene have played a major role in shaping the modern genetic diversity of P. sylvestris in Europe. [less ▲]

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See detailScreening Phaseolus vulgaris L. EMC mutants to isolate plants wich failed in seed development
Silué, S.; Lariguet, P.; Pankhurst, C. et al

in Bean Improvement Cooperative Annual Report (2006), 49

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See detailInfections after allogeneic hematopoietic stem cell transplantation with a nonmyeloablative conditioning regimen.
Frere, Pascale ULg; Baron, Frédéric ULg; Bonnet, Christophe ULg et al

in Bone Marrow Transplantation (2006), 37(4), 411-8

Hematopoietic cell transplantation (HCT) following nonmyeloablative conditioning (NMSCT) may be associated with a reduced risk of infection compared to standard allogeneic HCT. We retrospectively analyzed ... [more ▼]

Hematopoietic cell transplantation (HCT) following nonmyeloablative conditioning (NMSCT) may be associated with a reduced risk of infection compared to standard allogeneic HCT. We retrospectively analyzed incidence and risk factors of infection in 62 patients undergoing NMSCT with low-dose TBI +/- fludarabine and postgrafting CsA and MMF. The proportion of patients with any infection was 77%, but the majority of infectious events occurred beyond day 30. Donor other than sibling, older age, early disease and male gender were significant risk factors. The incidence of bacteremia was 55% at 1 year and the number of bacteremic episodes was 0.9 per patient (0.08 before day 30). The risk of bacteremia increased with older age and the use of a donor other than an HLA-identical sibling, but not with neutropenia. The incidence of infections other than bacteremia correlated with the use of corticosteroids. The risk of CMV infection increased with high-risk CMV serology, and risk of CMV disease with high-risk CMV serology, older age, first transplantation and a diagnosis of lymphoma. In conclusion, after NMSCT, infections are not frequent in the first 30 days post transplant but careful long-term monitoring is necessary thereafter. [less ▲]

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See detailBassins scolaires : synthèse de l'étude inter-universitaire.
Delvaux, Bernard; Demeuse, Marc; Dupriez, Vincent et al

E-print/Working paper (2006)

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See detailUse of a Plackett-Burman experimental design to examine the impact of extraction parameters on yields and compositions of pectins extracted from chicory roots (Chicorium intybus L.)
Robert, Christelle; Devillers, Thierry; Wathelet, Bernard ULg et al

in Journal of Agricultural and Food Chemistry (2006), 54(19), 7167-7174

Chicory root pectin was isolated by acid extraction followed by alcohol precipitation. Because the extraction conditions have important effects on the features of pectins, an experimental design was used ... [more ▼]

Chicory root pectin was isolated by acid extraction followed by alcohol precipitation. Because the extraction conditions have important effects on the features of pectins, an experimental design was used to study the influence of 17 different extraction parameters on yield and composition of pectin: pH, temperature, time of extraction, solid/liquid ratio, and different pretreatments of the pulps before extraction. Twenty extractions were conducted and examined for their significance on yield and sugar content using the Plackett-Burman factorial design. The acid extraction of chicory roots resulted in an average yield of 11% containing 86% of sugars. It was found that extraction temperature, time, protease pretreatment, water purity, and water washing of pulps significantly affected yield and pectin composition with an increase of yield and purity of pectin in harsher extraction conditions. [less ▲]

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See detailAn inductive and opportunistic detection of a pedagogical pattern in a 17 online course sample
Verpoorten, Dominique ULg; Poumay, Marianne ULg; Delcomminette, Séverine ULg et al

in Proceedings of the European Distance Education Network (2006)

LabSET (Support Lab for Telematic Learning – University of Liège, Belgium) applied a pedagogical pattern detection process on 17 online courses designed by faculty. The analysis unearths 11 instances of ... [more ▼]

LabSET (Support Lab for Telematic Learning – University of Liège, Belgium) applied a pedagogical pattern detection process on 17 online courses designed by faculty. The analysis unearths 11 instances of an activity structure named here RQAT (Reading-Questions/Answers-Test) which offers an alternative (among others) to the conventional lecturing, still extensively practiced in higher education. The recurrence and the relative invariance of the RQAT learning design legitimated an attempt to format it as a pedagogical pattern, used within LabSET's missions of teacher professional development. The conceptual documentation of RQAT suggests also an "illustration" of the pattern and its linkage to a taxonomy of skills. [less ▲]

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See detailPhaseolus lunatus L.
Baudoin, Jean-Pierre ULg

in Plant Resources of Tropical Africa (PROTA Foundation) (2006), 1

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See detailDes chartes et des cartes pour prendre soin de la nature ordinaire
Mougenot, Catherine ULg

in Mermet, L.; Berlan-Darqué, M.; Berny, N. (Eds.) et al Concertation, décision et environnement. Regards croisés. Volume IV (2006)

Ce texte questionne l'opposition entre le caractère réglementaire et le caractère négocié, fréquemment associés dans les politiques de la nature. A travers l'exemple des initiatives menées dans le cadre ... [more ▼]

Ce texte questionne l'opposition entre le caractère réglementaire et le caractère négocié, fréquemment associés dans les politiques de la nature. A travers l'exemple des initiatives menées dans le cadre des Plans Communaux pour le Développement de la Nature (PCDN) en Belgique, l'auteur propose cette opposition comme moteur des politiques de la nature. Celles-ci peuvent alors être vues comme des processus toujours reliés aux références générales que sont les lois et les connaissances scientifiques, tout en demeurant finalement très localisés [less ▲]

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See detailIntermittent peripheral weakness as the presenting feature of pyruvate dehydrogenase deficiency.
DEBRAY, François-Guillaume ULg; Lambert, Marie; Vanasse, Michel et al

in European journal of pediatrics (2006), 165(7), 462-466

Two unrelated children presenting with episodic isolated peripheral weakness were found to have pyruvate dehydrogenase (PDH) deficiency (OMIM 312170) due to previously undescribed mutations (Pro250Thr ... [more ▼]

Two unrelated children presenting with episodic isolated peripheral weakness were found to have pyruvate dehydrogenase (PDH) deficiency (OMIM 312170) due to previously undescribed mutations (Pro250Thr, Arg88Cys) in the gene for the E1alpha subunit (PDHA1). Taken in context with the literature, these patients suggest that acute weakness initially resembling Guillain-Barre syndrome is a potentially reversible and probably underdiagnosed manifestation of PDH deficiency and that peripheral nerve function should be evaluated in PDH-deficient patients. [less ▲]

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See detailValidation of micro-CT: experimental protocol for titanium bone scaffolds
Kerckhofs, Greet ULg; Wevers, Martine; Lomov, Stepan Vladimirovitch et al

Conference (2006)

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See detailElectrochemical study of two tris-O-substituted calix[4]arenes: 25,27-dipropoxy-26-hydroxy-28-benzoyloxycalix[4]arene(partial cone) and 25,27-dibenzyl-26-hydroxy-28-benzoyloxy-calix[4]-arene (partial cone). Electro synthesis of the corresponding calix[4]arene-monoquinones
Louati, Alain; Spraula, Julien; Gabelica, Valérie ULg et al

in Electrochemistry Communications (2006), 8(5), 761-766

The anodic oxidation of 25,27-dipropoxy-26-hydroxy-28-benzoyloxycalix[4]arene 1 and 25,27-dibenzyl-26-hydroxy-28-benzoyloxycalix[4]arene 2 in dichloromethane was investigated by electrochemical and ... [more ▼]

The anodic oxidation of 25,27-dipropoxy-26-hydroxy-28-benzoyloxycalix[4]arene 1 and 25,27-dibenzyl-26-hydroxy-28-benzoyloxycalix[4]arene 2 in dichloromethane was investigated by electrochemical and spectroclectrochemical techniques. For both, the overall reaction is a two-electron oxidation of the phenolic group according to an ECE mechanism resulting in the ultimate formation of an observable phenoxylium cation. After reaction of the latter with traces of water and subsequent internal electron transfer, the corresponding calix[4]-monoquinones are formed. (c) 2006 Elsevier B.V. All rights reserved. [less ▲]

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See detailEffect of rimonabant on quality of life in overweight/obese patients
Kolotkin, R. L.; Crosby, R. D.; Scheen, André ULg et al

in Value in Health (2006), 9(3, MAY-JUN), 92

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