References of "2011"
     in
Bookmark and Share    
Full Text
Peer Reviewed
See detailMolecular data challenge traditional subgeneric divisions in the leafy liverwort Radula
Devos, Nicolas; Renner, MAM; Gradstein, SR et al

in Taxon (2011), 60

Detailed reference viewed: 32 (0 ULg)
Full Text
See detailLa construction de l’ “écrivain francophone” : analyse comparée de deux structures médiatrices
Provenzano, François ULg

in Alvès, Audrey; Pourchet, Maria (Eds.) Les médiations de l'écrivain : les conditions de la création littéraire (2011)

Detailed reference viewed: 37 (8 ULg)
Full Text
See detailL’accompagnement psychosocial des détenus : entre gestion des risques et guidance
Dubois, Christophe ULg

in Barthélémy, Fabienne (Ed.) Sociologie de l'action organisée. Nouvelles études de cas (2011)

Detailed reference viewed: 141 (33 ULg)
Full Text
Peer Reviewed
See detailMotives to begin physical education studies. Comparative analysis in Algeria and Wallonia
Kerfes, Nabil; Alem, Jaouad; Cloes, Marc ULg

Conference (2011)

There are many reasons explaining why students choose one professional project and/or an academic programme. Usually, they consider higher education according to various aspects focusing on the content of ... [more ▼]

There are many reasons explaining why students choose one professional project and/or an academic programme. Usually, they consider higher education according to various aspects focusing on the content of the programme as well as on professions to which the latter leads. This study is in the field on comparative education. It offers a comprehensive reading of two education systems in a spirit of openness and expansion of knowledge. With inspiration from two studies conducted in the education of physical educators in very different cultural contexts (Research Group MJS, 1993, for Algeria – Groupe de recherche interuniversitaire, 2003, for French-speaking Belgium), we have assumed that the students’ motives for registering in studies in physical education should differ considerably. The purpose of this research has therefore been to determine the reasons motivating students to begin a physical education programme at the university or at a non university context. Our research was based, firstly, on the analysis of official texts concerning the organization of higher education in the field of physical education and, secondly, on data collected from the actions involved in four educational institutions, two in the Algiers region and two in the Liege region. In both cultural contexts, one institution belonged to one university and the other one was organized in a non university context. Our results relate to a total sample of 290 subjects (40 members of teaching staffs, 108 students and 142 graduates). The staff members were interviewed while the subjects of two other groups have responded to questionnaires. The Arabic version of each instrument was translated from an original French version. One expert has assured the validity check. In this paper, we are focusing our attention on the analysis of the responses provided by the three types of actors to a question aiming to identify, through four levels Lickert scales, the degree of importance accorded by subject to nine reasons of registration for studies in physical education. Answer were encoded in a computer database and processed using the Statistica software (Stat Soft, 2006). No significant difference was identified when comparing the answers of respondents. However, we noticed that the love of sport and the desire to do sport belonged to the most important reasons for the registration of the new students for training programs in physical education. Cultural context does not seem to affect the opinions of the subjects. [less ▲]

Detailed reference viewed: 92 (3 ULg)
See detailQuestionner le tourisme rural
Schmitz, Serge ULg; Decroly, Jean Michel

Book published by Société géographique de Liège (2011)

Questionner le tourisme rural, c’est se poser la question des particularités de celui-ci notamment liées à sa dispersion, à ses difficultés d’organisation en une « destination », à ses représentations ... [more ▼]

Questionner le tourisme rural, c’est se poser la question des particularités de celui-ci notamment liées à sa dispersion, à ses difficultés d’organisation en une « destination », à ses représentations idylliques, à ce patrimoine plus ou moins commun, plus ou moins privatisé, que le touriste consomme, aux difficiles questions du partage des revenus du développement touristique, aux problèmes des équipements et surtout de l’accessibilité par transports individuels et collectifs de ces zones excentrées. Autour de quelques collègues soucieux de partager leur enthousiasme pour la recherche, nous avons convié des doctorants à partager dans le cadre d’une journée de l’école doctoral thématique en géographie auprès du Fonds National de la Recherche Scientifique, leurs interrogations et leurs premières investigations. Ce numéro thématique rassemble les principales contributions à cette réflexion commune, en proposant une étude de l'utilisation de l’autoroute pour développer des produits touristiques à proximité d’un flux important de personnes (Malet, 21-35), une analyse de la mise en tourisme d'un produit de terroir et de la manière d'en faire une ressource clé du tourisme régional (De Myttenaere, 37-51), une recherche sur les images et représentations d'une destination rurale et leur utilisation pour développer l’accueil et la promotion (Mazuel et Bonniot, 7-19), une enquête sur le rôle des associations intercommunales et des municipalités dans le développement des entreprises touristiques en milieu rural (Vanneste et Ryckaert 53-71), une réflexion sur la complexité des polémiques autour des loisirs motorisés (Haye et Mounet, 73-84) et enfin une lecture critique de textbooks anglais qui permet de constater le chemin fait et le chemin qui reste à faire pour réellement passer des monographies à des théories du tourisme sensibles aux particularités du milieu rural (Dubois, 85-94). [less ▲]

Detailed reference viewed: 132 (22 ULg)
Full Text
Peer Reviewed
See detailEditorial : Questionner le tourisme rural
Schmitz, Serge ULg; Decroly, Jean Michel

in Schmitz, Serge; Decroly, Jean Michel (Eds.) Questionner le tourisme rural (2011)

Detailed reference viewed: 129 (16 ULg)
Full Text
Peer Reviewed
See detailA graphical method for practical and informative identifiability analyses of physiological models: A case study of insulin kinetics and sensitivity
Docherty, Paul D.; Chase, J Geoffrey; Lotz, Thomas F. et al

in Biomedical Engineering Online (2011), 10

Background: Derivative based a-priori structural identifiability analyses of mathematical models can offer valuable insight into the identifiability of model parameters. However, these analyses are only ... [more ▼]

Background: Derivative based a-priori structural identifiability analyses of mathematical models can offer valuable insight into the identifiability of model parameters. However, these analyses are only capable of a binary confirmation of the mathematical distinction of parameters and a positive outcome can begin to lose relevance when measurement error is introduced. This article presents an integral based method that allows the observation of the identifiability of models with two-parameters in the presence of assay error. Methods: The method measures the distinction of the integral formulations of the parameter coefficients at the proposed sampling times. It can thus predict the susceptibility of the parameters to the effects of measurement error. The method is tested in-silico with Monte Carlo analyses of a number of insulin sensitivity test applications. Results: The method successfully captured the analogous nature of identifiability observed in Monte Carlo analyses of a number of cases including protocol alterations, parameter changes and differences in participant behaviour. However, due to the numerical nature of the analyses, prediction was not perfect in all cases. Conclusions: Thus although the current method has valuable and significant capabilities in terms of study or test protocol design, additional developments would further strengthen the predictive capability of the method. Finally, the method captures the experimental reality that sampling error and timing can negate assumed parameter identifiability and that identifiability is a continuous rather than discrete phenomenon. [less ▲]

Detailed reference viewed: 58 (7 ULg)
Full Text
Peer Reviewed
See detailThe Ri chicken breed and livelihoods in North Vietnam: characterisation and prospects
Moula, Nassim ULg; Do Duc, Luc ULg; Pham Kim, Dang et al

in Journal of Agriculture and Rural Development in the Tropics and Subtropics (2011), 112(1), 57-69

Detailed reference viewed: 93 (38 ULg)
See detailWege, Irrwege und Holzwege bei der Texterschließung - Empirische Untersuchungen zur germanischen Interkomprehension
Zeevaert, Ludger ULg; Möller, Robert ULg

in Meißner, Franz-Joseph; Capucho, Filomena; Degache, Christian (Eds.) et al Intercomprehension. Learning, teaching, research / Apprentissage, enseignement, recherche / Lernen, Lehren, Forschung (2011)

Detailed reference viewed: 132 (3 ULg)
Peer Reviewed
See detailX-rays nanotomography in a scanning electron microscope–capabilities and limitations for materials research
Pyka, Grzegorz; Kerckhofs, Greet ULg; Pauwels, Bart et al

in Abstract book SkyScan User Meeting 2011 (2011)

Detailed reference viewed: 11 (0 ULg)
Full Text
Peer Reviewed
See detailEffect of pH and water activity on the growth limits of Listeria monocytogenes in a cheese matrix at two contamination levels.
Schvartzman Echenique, Maria Sol ULg; Belessi, C.; Butler, F. et al

in Journal of food protection (2011), 74(11), 1805-13

Listeria monocytogenes can proliferate at the beginning of cheesemaking as the conditions favor growth. The objective of this study was to establish the growth limits of L. monocytogenes in a cheese ... [more ▼]

Listeria monocytogenes can proliferate at the beginning of cheesemaking as the conditions favor growth. The objective of this study was to establish the growth limits of L. monocytogenes in a cheese matrix, in case of potential contamination of the milk prior to cheese manufacture. A semisoft laboratory scale model cheese system was made at different initial pH and water activity (a(w)) levels with a mix of two strains of L. monocytogenes. A factorial design of five pH values (5.6 to 6.5), four a(w) values (0.938 to 0.96), and two L. monocytogenes inoculation levels (1 to 20 CFU/ml and 500 to 1,000 CFU/ml) was carried out. Each combination was evaluated in six independent replicates. In order to determine if there was a dominant strain, isolated colonies from the cheeses were analyzed by pulsed-field gel electrophoresis. The data relating to growth initiation were fitted to a logistic regression model. The a(w) of milk influenced the probability of growth initiation of L. monocytogenes at both low and high contamination levels. The pH, at the concentrations tested, had a lower effect on the probability of growth initiation. At pH 6.5 and a(w) of 0.99 for low contamination levels and pH 6.5 and a(w) of 0.97 for high contamination levels, increases in population of up to 4 and 2 log were observed at low and high contamination levels, respectively. This shows that if conditions are favorable for growth initiation at the early stages of the cheesemaking process, contamination of milk, even with low numbers, could lead to L. monocytogenes populations that exceed the European Union's microbiological limit of 100 CFU/g of cheese. [less ▲]

Detailed reference viewed: 43 (2 ULg)
Full Text
Peer Reviewed
See detailImpact of Greenland and Antarctic ice sheet interactions on climate sensitivity
Goelzer, H.; Huybrechts, P.; Loutre, M.-F. et al

in Climate Dynamics (2011), 37(5-6), 1005-1018

We use the Earth system model of intermediate complexity LOVECLIM to show the effect of coupling interactive ice sheets on the climate sensitivity of the model on a millennial time scale. We compare the ... [more ▼]

We use the Earth system model of intermediate complexity LOVECLIM to show the effect of coupling interactive ice sheets on the climate sensitivity of the model on a millennial time scale. We compare the response to a 2xCO2 warming scenario between fully coupled model versions including interactive Greenland and Antarctic ice sheet models and model versions with fixed ice sheets. For this purpose an ensemble of different parameter sets have been defined for LOVECLIM, covering a wide range of the model's sensitivity to greenhouse warming, while still simulating the present-day climate and the climate evolution over the last millennium within observational uncertainties. Additional freshwater fluxes from the melting ice sheets have a mitigating effect on the model's temperature response, leading to generally lower climate sensitivities of the fully coupled model versions. The mitigation is effectuated by changes in heat exchange within the ocean and at the sea-air interface, driven by freshening of the surface ocean and amplified by sea-ice-related feedbacks. The strength of the effect depends on the response of the ice sheets to the warming and on the model's climate sensitivity itself. With the ensemble approach in this study we cover a wide range of possible model responses. [less ▲]

Detailed reference viewed: 29 (3 ULg)
Full Text
Peer Reviewed
See detailLifestyle Behaviours and Plasma Vitamin C and β-Carotene Levels from ELAN Population (Liège, Belgium)
PINCEMAIL, Joël ULg; Vanbelle, Sophie ULg; Degrune, Fabien et al

in Journal of Nutrition and Metabolism (2011), 2011

Several factors, including fruit and vegetables intakes, have been shown to significantly influence the plasma concentrations of the two antioxidants vitamin C and β-carotene. Deficiency levels of 6 mg/L ... [more ▼]

Several factors, including fruit and vegetables intakes, have been shown to significantly influence the plasma concentrations of the two antioxidants vitamin C and β-carotene. Deficiency levels of 6 mg/L (34.2 μM) for vitamin C and of 0.22 mg/L (0.4 μM) for β-carotene have been suggested below which cardiovascular risk might be increased. The present study performed on 897 presumably healthy subjects aged 40–60 years aimed to examine how modifiable lifestyle factors may be related to vitamin C and/or β-carotene deficiency. Gender, smoking, lack of regular physical activity and of daily fruit consumption (≥2/day), and social status (in particular, unemployment) were found to be significant risk factors for vitamin C deficiency. For β-carotene deficiency, the same factors were identified except social status; moreover, overweight and OC use in women were also found to have a deleterious effect. For non exposed subjects, the probability of developing vitamin C deficiency was 4% in men and 2.4% in women. This probability increased to 66.3% for men and to 44.3% for women (and even to 50.4% under OC use), when all risk factors were present. For β-carotene deficiency, the corresponding probabilities were equal to 29.7% in men and 13.7% in women (no risk factor present), and to 86.1% for men and 69.9% (91.6% for OC use) for women (all factors present), respectively [less ▲]

Detailed reference viewed: 121 (42 ULg)
Full Text
Peer Reviewed
See detailSafety observations from denosumab long-term extension and cross-over studies in postmenopausal women with osteoporosis
Bone, H. G.; Chapurlat, R.; Libanati, C. et al

in Journal of Bone and Mineral Research (2011), 26(S1), 22-23

Detailed reference viewed: 82 (4 ULg)
Full Text
Peer Reviewed
See detailChronique de jurisprudence communautaire - Les marchés publics dans les Etats membres
Durviaux, Ann-Lawrence ULg

in Revue Trimestrielle de Droit Européen (2011)

Detailed reference viewed: 42 (3 ULg)
Full Text
See detailProblèmes du bilinguisme dans l'Antiquité gréco-romaine
Rochette, Bruno ULg

in Genet, Jean-Philippe (Ed.) Langues et histoire. Actes du colloque de l'Ecole doctorale d'histoire de Paris 1 INHA, 20 et 21 octobre 2006 (2011)

Detailed reference viewed: 107 (0 ULg)
Full Text
Peer Reviewed
See detailDesigning optimal calcium phosphate scaffold-cell combinations using an integrative model-based approach.
Carlier, Aurélie ULg; Chai, Y.C.; Moesen, M. et al

in Acta Biomaterialia (2011), 7(10), 3573-85

Bone formation is a very complex physiological process, involving the participation of many different cell types and regulated by countless biochemical, physical and mechanical factors, including ... [more ▼]

Bone formation is a very complex physiological process, involving the participation of many different cell types and regulated by countless biochemical, physical and mechanical factors, including naturally occurring or synthetic biomaterials. For the latter, calcium phosphate (CaP)-based scaffolds have proven to stimulate bone formation, but at present still result in a wide range of in vivo outcomes, which is partly related to the suboptimal use and combination with osteogenic cells. To optimize CaP scaffold selection and make their use in combination with cells more clinically relevant, this study uses an integrative approach in which mathematical modeling is combined with experimental research. This paper describes the development and implementation of an experimentally informed bioregulatory model of the effect of calcium ions released from CaP-based biomaterials on the activity of osteogenic cells and mesenchymal stem cell driven ectopic bone formation. The amount of bone formation predicted by the mathematical model corresponds to the amount measured experimentally under similar conditions. Moreover, the model is also able to qualitatively predict the experimentally observed impaired bone formation under conditions such as insufficient cell seeding and scaffold decalcification. A strategy was designed in silico to overcome the negative influence of a low initial cell density on the bone formation process. Finally, the model was applied to design optimal combinations of calcium-based biomaterials and cell culture conditions with the aim of maximizing the amount of bone formation. This work illustrates the potential of mathematical models as research tools to design more efficient and cell-customized CaP scaffolds for bone tissue engineering applications. [less ▲]

Detailed reference viewed: 110 (22 ULg)
Full Text
Peer Reviewed
See detailFirst study of oral artenimol-R in advanced cervical cancer: clinical benefit, tolerability and tumor markers
Jansen, Frans Herwig; Adoubi, Innocent; Kouassi, Comoe J.C. et al

in Anticancer Research (2011), 31(12), 4417-4422

Background/Aim: Artenimol-R is cytotoxic in transformed cervical cells and safety in humans is yet to be established. The present study investigates the clinical benefits, safety and the tumor marker ... [more ▼]

Background/Aim: Artenimol-R is cytotoxic in transformed cervical cells and safety in humans is yet to be established. The present study investigates the clinical benefits, safety and the tumor marker effect of orally administered Artenimol-R in patients with advanced cervix carcinoma. Patients and Methods: Ten patients were treated with Artenimol-R for 28 days. Clinical symptoms, vaginal discharge and pain were followed-up. Adverse events were recorded. Biopsy samples were analyzed by immunohistochemistry for the expression of relevant tumor markers. Results: Artenimol-R treatment induced clinical remission with a median time for the disappearance of the symptoms being 7 days. No adverse events of grade 3 or 4 occurred. The expression of p53, Epidermal growth factor receptor (EGFR), and antigen Ki-67 as a cellular marker of proliferation, as well as the number of blood vessels stained by the CD31 antibody decreased, whereas the expression of transferrin receptor protein 1 (CD71) increased. Conclusion: The current pilot study provides evidence on the improvement of the clinical symptoms and the good tolerability of Artenimol-R in patients with advanced carcinoma of the cervix uteri. A survival trial with Artenimol- R in advanced patients is warranted. [less ▲]

Detailed reference viewed: 48 (2 ULg)