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See detailL'émotion fondamentale: Sartre et Bergson
Caeymaex, Florence ULg; Cormann, Grégory ULg

in Etudes Sartriennes (2014), 18

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See detailThe Politics of MGNREGA in Andhra Pradesh
Maiorano, Diego ULg

in World Development : The Multi-Disciplinary International Journal Devoted to the Study and Promotion of World Development (2014)

The Mahatma Gandhi National Rural Employment Guarantee Act is India's (and the world's) largest employment programme. While many analysis exist on its impact and implementation faults, scant attention has ... [more ▼]

The Mahatma Gandhi National Rural Employment Guarantee Act is India's (and the world's) largest employment programme. While many analysis exist on its impact and implementation faults, scant attention has been dedicated to how political dynamics influence its implementation. This paper will try to fill this gap with evidence from the southern state of Andhra Pradesh. It will argue that the implementation performance of the programme has been fairly good, despite the abysmal performance of the state government with previous employment programmes. The key factor in determining such a shift was the political commitment of the state’s chief minister. [less ▲]

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See detailIntroduction aux problèmes inverses
Charles, Catherine ULg

in Notes de Statistique et d'Informatique (2014)

cette note technique est une inititation aux problèmes inverses. Son objectif est d'expliquer au lecteur ses principes généraux, de montrer son large panel d'applications ainsi que de présenter ses ... [more ▼]

cette note technique est une inititation aux problèmes inverses. Son objectif est d'expliquer au lecteur ses principes généraux, de montrer son large panel d'applications ainsi que de présenter ses méthodes de résolution les plus courantes. [less ▲]

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See detailÉLABORATION D’UN PLAN DE FORMATION CONTINUE À PARTIR DE L’APPROCHE PROCESSUS DANS UN SERVICE DE RADIOTHÉRAPIE
LENAERTS, Eric ULg; DELGAUDINE, Marie ULg; COUCKE, Philippe ULg

in Revue Médicale de Liège (2014), 69(Supp 1), 104-110

Pour garantir l’intégration des évolutions technolo - giques régulières et des changements organisationnels qui en découlent, le Service de Radiothérapie du CHU de Liège, s’est engagé depuis 2007 dans la ... [more ▼]

Pour garantir l’intégration des évolutions technolo - giques régulières et des changements organisationnels qui en découlent, le Service de Radiothérapie du CHU de Liège, s’est engagé depuis 2007 dans la définition et la coordination d’une politique de qualité des soins et de sécurité du patient cohérente et globale. L’équipe dirigeante du service considère la gestion des compétences comme un impératif indispensable afin de pouvoir intégrer rapidement l’utilisation des nouvelles tech - nologies de traitement tout en fournissant de manière continue des soins de haute qualité aux patients. L’approche « proces - sus » consiste à décrire, de façon méthodique, une organisation en processus en vue de contribuer à la satisfaction du patient. Cette approche appliquée dans le service de radiothérapie a permis une meilleure visibilité du fonctionnement du service ainsi qu’une meilleure maîtrise des relations entre les collabo - rateurs et avec les patients. Elle permet de maîtriser la valeur ajoutée de chaque processus, d’identifier les points de risques et d’en anticiper les dérives. Plus précisément, l’approche processus a conduit à préciser les compétences requises pour garantir une haute qualité des soins et à concevoir un plan de formation continue spécifique aux besoins d’un service de radiothérapie. Ce plan a été reconnu au travers de la création d’un certificat universitaire spécifique [less ▲]

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See detailPhysiological and proteomic responses of different willow clones (Salix fragilis x alba) exposed to dredged sediment contaminated by heavy metals
Evlard, Aricia ULg; Sergeant, Kjell; Ferrandis, Salvador et al

in International Journal of Phytoremediation (2014), 16(11), 1148-1169

High biomass producing species are considered as tools for remediation of contaminated soils. Willows (Salix spp.) are prominent study subjects in this regard. In this study, different willow clones ... [more ▼]

High biomass producing species are considered as tools for remediation of contaminated soils. Willows (Salix spp.) are prominent study subjects in this regard. In this study, different willow clones (Salix fragilis x alba) were planted on heavy-metal polluted dredging sludge. A first objective was assessment of the biomass production for these clones. Using a Gupta statistic, four clones were identified as high biomass producers (HBP). For comparison, a group of four clones with lowest biomass production were selected (LBP). A second objective was to compare metal uptake as well as the physiological and proteomic responses of these two groups. All these complementary data's allow us to have a better picture of the health of the clones that would be used in phytoremediation programs. Cd, Zn, and Ni total uptake was higher in the HBPs but Pb total uptake was higher in LBPs. Our proteomic and physiological results showed that the LBPs were able to maintain cellular activity as much as the HBPs although the oxidative stress response was more pronounced in the LBPs. This could be due to the high Pb content found in this group although a combined effect of the other metals cannot be excluded. [less ▲]

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See detailPersonalising metformin therapy: a clinician's perspective
SCHEEN, André ULg

in Lancet Diabetes & Endocrinology (2014)

If lifestyle changes are not effective for maintaining glycaemic control, metformin is recommended as the first glucose-lowering drug to use in a patient with type 2 diabetes, if the patient has no ... [more ▼]

If lifestyle changes are not effective for maintaining glycaemic control, metformin is recommended as the first glucose-lowering drug to use in a patient with type 2 diabetes, if the patient has no contraindications—eg, renal impairment or hypoxic disorders.1 However, the glucose-lowering response to metformin can vary greatly between patients, with some people responding poorly to this biguanide. Because of the well known therapeutic inertia with respect to pharmacological treatment of diabetes, insufficient glucose control might persist for a long time before any treatment adjustment is made in people who respond poorly to metformin monotherapy. [less ▲]

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See detailSpore assemblages from Upper Ordovician and lowermost Silurian sediments recovered from the Qusaiba-1 shallow core hole, Qasim region, central Saudi Arabia
Wellman, Charles H.; Steemans, Philippe ULg; Miller, M.A.

in Review of Palaeobotany and Palynology (2014), ?

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See detailCombating the dual burden: therapeutic targeting of common pathways in obesity and type 2 diabetes
SCHEEN, André ULg; Van Gaal, Luc

in The Lancet Diabetes & Endocrinology (2014)

The increasing prevalence of obesity is contributing substantially to the ongoing epidemic of type 2 diabetes. Abdominal adiposity, a feature of ectopic fat syndrome, is associated with silent ... [more ▼]

The increasing prevalence of obesity is contributing substantially to the ongoing epidemic of type 2 diabetes. Abdominal adiposity, a feature of ectopic fat syndrome, is associated with silent inflammation, abnormal hormone secretion, and various metabolic disturbances that contribute to insulin resistance and insulin secretory defects, resulting in type 2 diabetes, and induce a toxic pattern that leads to cardiovascular disease, liver pathologies, and cancer. Despite the importance of weight control strategies in the prevention and management of type 2 diabetes, long-term results from lifestyle or drug interventions are generally disappointing. Furthermore, most of the classic glucose-lowering drugs have a side-effect of weight gain, which renders the management of most overweight or obese people with type 2 diabetes even more challenging. Many anti-obesity pharmacological drugs targeting central control of appetite were withdrawn from the market because of safety concerns. The gastrointestinal lipase inhibitor orlistat was the only anti-obesity drug available until the recent US, but not European, launch of phentermine–controlled-release topiramate and lorcaserin. Improved knowledge about bodyweight regulation opens new prospects for the potential use of peptides derived from the gut or the adipose tissue. Combination therapy will probably be necessary to avoid compensatory mechanisms and potentiate initial weight loss while avoiding weight regain. New glucose-lowering treatments, especially glucagon-like peptide-1 receptor agonists and sodium glucose cotransporter-2 inhibitors, offer advantages over traditional antidiabetic drugs by promoting weight loss while improving glucose control. In this Review, we explore the overlapping pathophysiology and also how various treatments can, alone or in combination, combat the dual burden of obesity and type 2 diabetes. [less ▲]

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See detailControllable morphology of flux avalanches in microstructured superconductors
Motta, M.; Colauto, F.; Vestgarden, J.I. et al

in Physical Review. B : Condensed Matter (2014)

The morphology of abrupt bursts of magnetic flux into superconducting films with engineered periodic pinning centers (antidots) has been investigated. Guided flux avalanches of thermomagnetic origin ... [more ▼]

The morphology of abrupt bursts of magnetic flux into superconducting films with engineered periodic pinning centers (antidots) has been investigated. Guided flux avalanches of thermomagnetic origin develop a tree-like structure, with the main trunk perpendicular to the borders of the sample, while secondary branches follow well-defi ned directions determined by the geometrical details of the underlying periodic pinning landscape. Strikingly, we demonstrate that in a superconductor with relatively weak random pinning, the morphology of such flux avalanches can be fully controlled by proper combinations of lattice symmetry and antidot geometry. Moreover, the resulting flux patterns can be reproduced, to the fi nest details, by simulations based on a phenomenological thermomagnetic model. In turn, this model can be used to predict such complex structures and to estimate physical variables of more di fficult experimental access, such as the local values of temperature and electric fi eld. [less ▲]

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See detailEtude de la dynamique des populations d'insectes sur la culture du riz NERICA dans les conditions du Masuku, Sud-Est du Gabon (Franceville)
ONDO OVONO, Paul; GATARASI, Thaddée; OBAME MINKO, Daniel et al

in International Journal of Biological and Chemical Sciences (2014)

La dynamique des populations d’insectes sur la culture du riz a été étudiée durant toutes les phases de croissance. L’essai a été installé sur les parcelles pédagogiques de l’Institut National Supérieur ... [more ▼]

La dynamique des populations d’insectes sur la culture du riz a été étudiée durant toutes les phases de croissance. L’essai a été installé sur les parcelles pédagogiques de l’Institut National Supérieur d’Agronomie et de Biotechnologies à Franceville. Il s’inscrit dans le cadre de la poursuite des travaux d’évaluation de l’adaptabilité de nouvelles variétés de riz de type NERICA, introduites dans la province du Haut –Ogooué au Sud-Est du Gabon. L’objectif de la présente étude est de collecter des informations concernant les insectes susceptibles de s’attaquer au riz et de sélectionner les variétés NERICA qui résistent le mieux aux attaques. Chacune des six variétés de type NERICA (1, 4, 11, 12, 14 et 17) a été semée en utilisant un dispositif en blocs complètement randomisés avec trois répétitions, en 2010 et 2011. La collecte des insectes volants a été effectuée au moyen de pièges aériens et du filet entomologique. Au sol, la capture s’est faite au moyen de pièges. Les larves d’insectes foreurs des tiges, les chenilles et les pucerons des racines ont été capturés à la main. Au total, 46 familles appartenant à 9 ordres ont été recensées donc 29 renferment des espèces nuisibles et définies comme ravageuses du riz. Les 17 autres familles sont classées comme insectes utiles. Les stades de tallage, d’initiation paniculaire et d’épiaison ont été en général les plus visités par les différentes familles d’insectes. Les variétés NERICA 1 et NERICA 11 ont présenté les plus faibles taux d’infestation et de dégâts. Par ailleurs, la perte en biomasse a été considérable chez toutes les variétés. [less ▲]

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See detailDeletion of exons 1-3 of the MEN1 gene in a large Italian family causes the loss of menin expression.
Zatelli, Maria Chiara; Tagliati, Federico; Di Ruvo, Mauro et al

in Familial cancer (2014)

Multiple endocrine neoplasia type 1 (MEN1) syndrome is an autosomal dominant disease, characterized by parathyroid adenomas, endocrine gastroenteropancreatic tumors and pituitary adenomas, due to ... [more ▼]

Multiple endocrine neoplasia type 1 (MEN1) syndrome is an autosomal dominant disease, characterized by parathyroid adenomas, endocrine gastroenteropancreatic tumors and pituitary adenomas, due to inactivating mutations of the MEN1 gene (chromosome 11q13). MEN1 mutations are mainly represented by nonsense, deletions/insertions, splice site or missense mutations that can be detected by direct sequencing of genomic DNA. However, MEN1 patients with large heterozygous deletions may escape classical genetic screening and may be misidentified as phenocopies, thereby hindering proper clinical surveillance. We employed a real-time polymerase chain reaction application, the TaqMan copy number variation assay, to evaluate a family in which we failed to identify an MEN1 mutation by direct sequencing, despite a clear clinical diagnosis of MEN1 syndrome. Using the TaqMan copy number variation assay we identified a large deletion of the MEN1 gene involving exons 1 and 2, in three affected family members, but not in the other nine family members that were to date clinically unaffected. The same genetic alteration was not found in a group of ten unaffected subjects, without family history of endocrine tumors. The MEN1 deletion was further confirmed by multiplex ligation-dependent probe amplification, which showed the deletion extended from exon 1 to exon 3. This new approach allowed us to correctly genetically diagnose three clinical MEN1 patients that were previously considered as MEN1 phenocopies. More importantly, we excluded the presence of genetic alterations in the unaffected family members. These results underline the importance of using a variety of available biotechnology approaches when pursuing a genetic diagnosis in a clinically suggestive setting of inherited endocrine cancer. [less ▲]

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See detailLa recette commentée sur la toile: un genre renouvelé?
Meunier, Deborah ULg; Rosier, Laurence

in Arena Romanistica (2014), 14

The principle of procedurality, as well as the practice of transmission, define culinary discourse in the form of recipes, a sub-genre of emblematic discourse. Electronic tools have permitted a renewal of ... [more ▼]

The principle of procedurality, as well as the practice of transmission, define culinary discourse in the form of recipes, a sub-genre of emblematic discourse. Electronic tools have permitted a renewal of the recipe’s very form, which was initially a case of linear transmission in a chronological sense, towards a dialogal and polyphonic form in which the original posted recipe becomes recipe only when it is enlivened with commentaries which complete and perform it. Our contribution aims to show this discursive co-construction. From the point of view of genres, we will also see that those genres which are known as monologal or fixed can evolve towards dialogal and dialogical forms. [less ▲]

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See detailThe retirement of the migrant labor force: pension portability and beyond
Jousten, Alain ULg

in CESifo Economic Studies (2014)

The specificities of the workforce with a migrant background are often neglected in studies of retirement. Similarly, many studies of migration’s impact on pensions often focus on aggregate outcomes – ... [more ▼]

The specificities of the workforce with a migrant background are often neglected in studies of retirement. Similarly, many studies of migration’s impact on pensions often focus on aggregate outcomes – system sustainability or distributive characteristics. The present paper provides a fresh look at the nexus between these two literatures. It discusses the impact of the European social security coordination mechanisms on individual decision-making and on the functioning of social security systems – with a focus on retirement. The paper argues that such effects are non-negligible and are likely to have major policy consequences. [less ▲]

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See detailLA RADIOBIOLOGIE POUR LES NÉOPHYTES
COUCKE, Philippe ULg; MARTINIVE, Philippe ULg

in Revue Médicale de Liège (2014), 69(Supp 1), 16-19

La radiothérapie moderne ne se base pas unique - ment sur l’exploitation des améliorations en informatique, imagerie et robotique. La meilleure distribution de la dose au niveau de la cible, avec ... [more ▼]

La radiothérapie moderne ne se base pas unique - ment sur l’exploitation des améliorations en informatique, imagerie et robotique. La meilleure distribution de la dose au niveau de la cible, avec l’épargne des tissus sains avoisinants, rend possible une nouvelle exploitation de concept de radio - biologie. L’exemple type est la redécouverte des traitements hypo-fractionnés. [less ▲]

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See detailYBa2Cu3O7-δ thick films for magnetic shielding: Electrophoretic deposition from butanol-based suspension
Closset, Raphaël ULg; Kumar, Devendra; Wera, Laurent ULg et al

in Materials Letters (2014), 119

Multilayered YBa2Cu3O7-δ (YBCO) thick films were coated on silver substrates by electrophoretic deposition (EPD) followed by heat treatment. A butanol-based YBCO suspension is used instead of the common ... [more ▼]

Multilayered YBa2Cu3O7-δ (YBCO) thick films were coated on silver substrates by electrophoretic deposition (EPD) followed by heat treatment. A butanol-based YBCO suspension is used instead of the common acetone-iodine combination. Tests with several dispersing agents reveal that a branched polyethyleneimine (PEI) dispersant develops large positive surface charge on suspended YBCO particles. As a demonstration of the performance of this new suspension formulation, a 12-layer 100 μm-thick YBCO coating was deposited on an Ag tube. The superconducting transition is sharp with onset critical temperature at 92 K. The sample can shield a magnetic field of ~1.3 mT at 77 K, i.e., the best value so far for an YBCO coating on a metallic substrate. © 2013 Elsevier B.V. [less ▲]

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See detailPlant Water Uptake in Drying Soils
Lobet, Guillaume ULg; Couvreur, Valentin; Meunier, Félicien et al

in Plant Physiology (2014), in press

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See detailPeripheral T-cell lymphoma with t(6;14)(p25;q11.2) translocation presenting with massive splenomegaly.
SOMJA, Joan ULg; Bisig, B.; de Leval, L. et al

in Virchows Archiv : An International Journal of Pathology (2014)

Recurrent chromosomal translocations associated to peripheral T-cell lymphomas (PTCL) are rare. Here, we report a case of PTCL, not otherwise specified (NOS) with the karyotype 46,Y,add(X)(p22),t(6;14 ... [more ▼]

Recurrent chromosomal translocations associated to peripheral T-cell lymphomas (PTCL) are rare. Here, we report a case of PTCL, not otherwise specified (NOS) with the karyotype 46,Y,add(X)(p22),t(6;14)(p25;q11) and FISH-proved breakpoints in the IRF4 and TCRAD loci, leading to juxtaposition of both genes. A 64-year-old male patient presented with mild cytopenias and massive splenomegaly. Splenectomy showed diffuse red pulp involvement by a pleomorphic medium- to large-cell T-cell lymphoma with a CD2+ CD3+ CD5− CD7− CD4+ CD8+/− CD30− TCRbeta-F1+ immunophenotype, an activated cytotoxic profile, and strong MUM1 expression. The clinical course was marked by disease progression in the bone marrow under treatment and death at 4 months. In contrast with two t(6;14)(p25;q11.2)-positive lymphomas previously reported to be cytotoxic PTCL, NOS with bone marrow and skin involvement, this case was manifested by massive splenomegaly, expanding the clinical spectrum of PTCLs harboring t(6;14)(p25;q11.2) and supporting consideration of this translocation as a marker of biological aggressiveness. [less ▲]

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See detailA methodological evaluation of volumetric measurement techniques including three-dimensional imaging in breast surgery
HOEFFELIN, Harry; JACQUEMIN, Denise ULg; Defaweux, Valérie ULg et al

in BioMed Research International (2014), 2014

Breast surgery currently remains very subjective and each intervention depends on the ability and experience of the operator. To date, no objective measurement of this anatomical region can codify surgery ... [more ▼]

Breast surgery currently remains very subjective and each intervention depends on the ability and experience of the operator. To date, no objective measurement of this anatomical region can codify surgery. In this light, we wanted to compare and validate a new technique for 3D scanning (LifeViz 3D) and its clinical application. Materials and methods. - We tested the use of the 3D LifeViz system (Quantificare) to perform volumetric calculations in various settings ("in situ" in cadaveric dissection, of control prostheses and in clinical patients) and we compared this system to other techniques (CT scanning and Archimedes' principle) under the same conditions. Results. - We were able to identify the benefits (feasibility, safety, portability, low patient stress) and limitations (underestimation of the “in situ” volume, subjectivity of contouring, and patient selection) of the LifeViz 3D system, concluding that the results are comparable with other measurement techniques. Conclusion. - The prospects of this technology seem promising in numerous applications in clinical practice to limit the subjectivity of breast surgery. [less ▲]

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See detailFinal Overall Survival: Fulvestrant 500 mg vs 250 mg in the Randomized CONFIRM Trial.
Leo, Angelo Di; Leo, Angelo Di; Jerusalem, Guy ULg et al

in Journal of the National Cancer Institute (2014), 106(1), 337

BACKGROUND: At the time of the initial analysis of overall survival (OS) for the Comparison of Faslodex in Recurrent or Metastatic Breast Cancer (CONFIRM) randomized, double-blind, phase III trial ... [more ▼]

BACKGROUND: At the time of the initial analysis of overall survival (OS) for the Comparison of Faslodex in Recurrent or Metastatic Breast Cancer (CONFIRM) randomized, double-blind, phase III trial, approximately 50% of patients had died. A final analysis of OS was subsequently planned for when 75% of patients had died. METHODS: Patients were randomly assigned 1:1 to fulvestrant 500 mg administered as two 5-mL intramuscular injections on days 0, 14, and 28 and every 28 (+/-3) days thereafter or fulvestrant 250 mg administered as two 5-mL intramuscular injections (one fulvestrant and one placebo [identical in appearance to study drug]) on days 0, 14 (two placebo injections only), and 28 and every 28 (+/-3) days thereafter. OS was analyzed using an unadjusted log-rank test. No adjustments were made for multiplicity. Serious adverse events (SAEs) and best response to subsequent therapy were also reported. All statistical tests were two-sided. RESULTS: In total, 736 women (median age = 61.0 years) were randomly assigned to fulvestrant 500mg (n = 362) or 250mg (n = 374). At the final survival analysis, 554 of 736 (75.3%) patients had died. Median OS was 26.4 months for fulvestrant 500mg and 22.3 months for 250mg (hazard ratio = 0.81; 95% confidence interval = 0.69-0.96; nominal P = .02). There were no clinically important differences in SAE profiles between the treatment groups; no clustering of SAEs could be detected in either treatment group. Type of first subsequent therapy and objective responses to first subsequent therapy were well balanced between the two treatment groups. CONCLUSIONS: In patients with locally advanced or metastatic estrogen receptor-positive breast cancer, fulvestrant 500mg is associated with a 19% reduction in risk of death and a 4.1-month difference in median OS compared with fulvestrant 250mg. Fulvestrant 500mg was well tolerated, and no new safety concerns were identified. [less ▲]

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See detailCriteria and tools for objectively analysing the vocal accuracy of a popular song
Larrouy, Pauline ULg; Morsomme, Dominique ULg

in Logopedics, Phoniatrics, Vocology (2014), 39

This study aims to validate our method for measuring accuracy in a melodic context. We analysed the popular song “Happy Birthday” sung by 63 occasional and 14 professional singers thanks to AudioSculpt ... [more ▼]

This study aims to validate our method for measuring accuracy in a melodic context. We analysed the popular song “Happy Birthday” sung by 63 occasional and 14 professional singers thanks to AudioSculpt and OpenMusic (Ircam, Paris, France). In terms of evaluation of the pitch interval deviation, we replicated the profile of occasional singers described in the literature (the slower the performance, the more accurate it is). Our results also confirm that the professional singers sing more accurately than occasional singers but not when a Western operatic singing technique is involved. These results support the relevance of our method for analysing vocal accuracy of occasional and professional singers and led us to discuss adaptations to be implemented for analysing the accuracy of operatic voices. [less ▲]

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See detailThe mitochondrial respiratory chain of the secondary green alga Euglena gracilis shares many additional subunits with parasitic Trypanosomatidae.
Perez, Emilie ULg; Lapaille, Marie; Degand, Herve et al

in Mitochondrion (2014)

The mitochondrion is an essential organelle for the production of cellular ATP in most eukaryotic cells. It is extensively studied, including in parasitic organisms such as trypanosomes, as a potential ... [more ▼]

The mitochondrion is an essential organelle for the production of cellular ATP in most eukaryotic cells. It is extensively studied, including in parasitic organisms such as trypanosomes, as a potential therapeutic target. Recently, numerous additional subunits of the respiratory-chain complexes have been described in Trypanosoma brucei and Trypanosoma cruzi. Since these subunits had apparently no counterparts in other organisms, they were interpreted as potentially associated with the parasitic trypanosome lifestyle. Here we used two complementary approaches to characterise the subunit composition of respiratory complexes in Euglena gracilis, a non-parasitic secondary green alga related to trypanosomes. First, we developed a phylogenetic pipeline aimed at mining sequence databases for identifying homologs to known respiratory-complex subunits with high confidence. Second, we used MS/MS proteomics after two-dimensional separation of the respiratory complexes by Blue Native- and SDS-PAGE to both confirm in silico predictions and to identify further additional subunits. Altogether, we identified 41 subunits that are restricted to E. gracilis, T. brucei and T. cruzi, along with 48 classical subunits described in other eukaryotes (i.e. plants, mammals and fungi). This moreover demonstrates that at least half of the subunits recently reported in T. brucei and T. cruzi are actually not specific to Trypanosomatidae, but extend at least to other Euglenozoa, and that their origin and function are thus not specifically associated with the parasitic lifestyle. Furthermore, preliminary biochemical analyses suggest that some of these additional subunits underlie the peculiarities of the respiratory chain observed in Euglenozoa. [less ▲]

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See detailA Givetian tintinnid-like palynomorph from Libya.
Steemans, Philippe ULg; Breuer, P.; Ville de Goyet, F. de et al

in Review of Palaeobotany and Palynology (2014), ?

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See detailConstitutional Aspects of FTAs: a Colombian Perspective
Parra Santamaria, Lusmiriam Andrea ULg; De Lombaerde, Philippe; Lizarazo, Liliana et al

in European Journal of Law (2014)

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See detailEvaluating SGLT2 inhibitors for type 2 diabetes: pharmacokinetic and toxicological considerations.
Scheen, André ULg

in Expert opinion on drug metabolism & toxicology (2014)

Introduction: Inhibitors of sodium-glucose cotransporters type 2 (SGLT2), which increase urinary glucose excretion independently of insulin, are proposed as a novel approach for the management of type 2 ... [more ▼]

Introduction: Inhibitors of sodium-glucose cotransporters type 2 (SGLT2), which increase urinary glucose excretion independently of insulin, are proposed as a novel approach for the management of type 2 diabetes mellitus (T2DM). Areas covered: An extensive literature search was performed to analyze the pharmacokinetic characteristics, toxicological issues and safety concerns of SGLT2 inhibitors in humans. This review focuses on three compounds (dapagliflozin, canagliflozin, empagliflozin) with results obtained in healthy volunteers (including drug-drug interactions), patients with T2DM (single dose and multiple doses) and special populations (those with renal or hepatic impairment). Expert opinion: The three pharmacological agents share an excellent oral bioavailability, long half-life allowing once-daily administration, low accumulation index and renal clearance, the absence of active metabolites and a limited propensity to drug-drug interactions. No clinically relevant changes in pharmacokinetic parameters were observed in T2DM patients or in patients with mild/moderate renal or hepatic impairment. Adverse events are a slightly increased incidence of mycotic genital and rare benign urinary infections. SGLT2 inhibitors have the potential to reduce several cardiovascular risk factors, and cardiovascular outcome trials are currently ongoing. The best positioning of SGLT2 inhibitors in the armamentarium for treating T2DM is still a matter of debate. [less ▲]

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See detailVitamin D status and bone mineral density changes during alendronate treatment in postmenopausal osteoporosis.
Roux, Christian; Binkley, Neil; Boonen, Steven et al

in Calcified tissue international (2014), 94(2), 153-7

Vitamin D supplementation is recommended for women with osteoporosis. In the FOCUS-D trial comparing the combination tablet alendronate plus vitamin D3 5,600 IU (ALN/D) with standard care (SC) prescribed ... [more ▼]

Vitamin D supplementation is recommended for women with osteoporosis. In the FOCUS-D trial comparing the combination tablet alendronate plus vitamin D3 5,600 IU (ALN/D) with standard care (SC) prescribed by patients' personal physicians, ALN/D was more effective in improving serum 25(OH)D and bone turnover markers by 6 months and increasing spine and hip bone mineral density (BMD) after 1 year than SC. This post hoc analysis examined the relationship between BMD gain and 25(OH)D in women in SC receiving alendronate (SC/ALN, n = 134, 52% of the SC group) and in the ALN/D group (n = 257). At baseline, participants were of mean age 73 years and 72% were Caucasian, with a mean 25(OH)D of 14.9 ng/mL. In the SC/ALN group, most received vitamin D, although intake of vitamin D varied extensively (51% received <400 mug/day). In this group, end-of-study 25(OH)D correlated positively with mean percent increases from baseline in lumbar spine and femoral neck BMD [Pearson correlation coefficients (95% CI) = 0.23 (0.02-0.41) and 0.24 (0.03-0.41), respectively]. Baseline 25(OH)D correlated with increases in only lumbar spine BMD [Pearson correlation coefficient (95% CI) = 0.22 (0.01-0.40)]. No correlations between mean BMD change and 25(OH)D were seen with ALN/D. In conclusion, in postmenopausal women with osteoporosis and low 25(OH)D receiving alendronate and a wide range of vitamin D doses, the increase in lumbar spine and femoral neck BMD was positively correlated with serum 25(OH)D achieved by the end of the study and, to some extent, with 25(OH)D concentrations at baseline. The degree of success of alendronate therapy for osteoporosis may depend on the vitamin D status of patients. [less ▲]

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See detailEvent-triggered transmission for linear control over communication channels
Forni, Fulvio ULg; Galeani, Sergio; Nesic, Dragan et al

in Automatica (2014), 50(2), 490498

We consider an exponentially stable closed loop interconnection of a continuous linear plant and a continuous linear controller, and we study the problem of interconnecting the plant output to the ... [more ▼]

We consider an exponentially stable closed loop interconnection of a continuous linear plant and a continuous linear controller, and we study the problem of interconnecting the plant output to the controller input through a digital channel. We propose a family of "transmission-lazy" sensors whose goal is to transmit the measured plant output information as little as possible while preserving closed-loop stability. In particular, we propose two transmission policies, providing conditions on the transmission parameters. These guarantee global asymptotic stability when the plant state is available or when an estimate of the state is available (provided by a classical continuous linear observer). Moreover, under a specific condition, they guarantee global exponential stability [less ▲]

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See detailIntroduction to Mapping Diasporic Subjectivities
Munos, Delphine ULg; Pandurang, Mala

in South Asian Diaspora (2014), 6(1), 1-5

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See detailAsymptotic Expansion based-Method for Equivalent Statistical Linearization
Canor, Thomas ULg; Blaise, Nicolas ULg; Denoël, Vincent ULg

in Probabilistic Engineering Mechanics (2014)

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See detailLakeMIP Kivu: evaluating the representation of a large, deep tropical lake by a set of one-dimensional lake models
Thiery, Wim; Stepanenko, Victor M.; Fang, Xing et al

in Tellus : Series A (2014), 66

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See detailReduced chaos expansions with random coefficients in reduced-dimensional stochastic modeling of coupled problems
Arnst, Maarten ULg; Ghanem, Roger; Phipps, Eric et al

in International Journal for Numerical Methods in Engineering (2014), 97

We address the curse of dimensionality in methods for solving stochastic coupled problems with an emphasis on stochastic expansion methods such as those involving polynomial chaos expansions. The proposed ... [more ▼]

We address the curse of dimensionality in methods for solving stochastic coupled problems with an emphasis on stochastic expansion methods such as those involving polynomial chaos expansions. The proposed method entails a partitioned iterative solution algorithm that relies on a reduced-dimensional representation of information exchanged between subproblems to allow each subproblem to be solved within its own stochastic dimension while interacting with a reduced projection of the other subproblems. The proposed method extends previous work by the authors by introducing a reduced chaos expansion with random coefficients. The representation of the exchanged information by using this reduced chaos expansion with random coefficients enables an expeditious construction of doubly stochastic polynomial chaos expansions that separate the effect of uncertainty local to a subproblem from the effect of statistically independent uncertainty coming from other subproblems through the coupling. After laying out the theoretical framework, we apply the proposed method to a multiphysics problem from nuclear engineering. [less ▲]

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See detailLignin extraction from Mediterranean agro-wastes: Impact of pretreatment conditions on lignin chemical structure and thermal degradation behavior
Manara, Panagiota; Zabaniotou, Anastasia; Vanderghem, Caroline ULg et al

in Catalysis Today (2014), 223

Three different types of Mediterranean, agro-industrial wastes (olive kernels, grape pomace/seeds, peach kernels), were subjected to two pretreatment processes, a chemical/organosolv and a physicochemical ... [more ▼]

Three different types of Mediterranean, agro-industrial wastes (olive kernels, grape pomace/seeds, peach kernels), were subjected to two pretreatment processes, a chemical/organosolv and a physicochemical one. The organosolv process included lignocellulosic biomass treatment with formic acid/acetic acid/water (30/50/20, v/v%), for 3 h at 107 °C, while the physicochemical method was conducted by immersing the biomass in a water/ethanol (8/92, v/v%), H2SO4 0.32 M, solvent and further exposing the slurry to microwave irradiation (maximum 250 W) for 1/2 h at 150 °C. Both processes were evaluated regarding the achieved delignification and the purity of the extracted lignins. The effect of the pretreatment processes onto the structure and thermal decomposition behavior of the extracted lignins was investigated via FT-IR and TGA analysis, respectively. The objective of the research work was to investigate potential valorization routes for these biomass agro-residues in the context of a biorefinery, focusing on lignin extraction. The pretreatment results showed that the obtained lignins, derived from both procedures, were of high purity (>82 wt%). Under the organosolv procedure, peach kernel delignification showed the maximum value (∼16 wt%), while under microwave pretreatment, olive kernel delignification showed the maximum value (∼35 wt%). Grape pomace/seeds appeared to be the most resistant in both treatments. [less ▲]

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See detailCD36: linking lipids to the NLRP3 inflammasome, atherogenesis and atherothrombosis
Oury, Cécile ULg

in Cellular & Molecular Immunology (2014), 11

Uptake of the atherogenic lipid mediator oxLDL by CD36 results in the formation of intracellular cholesterol crystals that caused lyso¬somal destabilization and NLRP3 activation. oxLDL not only primes ... [more ▼]

Uptake of the atherogenic lipid mediator oxLDL by CD36 results in the formation of intracellular cholesterol crystals that caused lyso¬somal destabilization and NLRP3 activation. oxLDL not only primes, via a NF-κB-dependent pathway, but also activates NLRP3. CD36-mediated inflammasome activation provides an early pathogenic pathway that links cholesterol accumulation to the chronic inflammatory process of atherosclerosis. During atherogenesis, activated or injured endothelial cells, leucocytes and platelets release ATP that acts in a paracrine manner to transduce sterile inflammatory signals. Among these signals, P2X7 receptors mediate K+ efflux leading to NLRP3 activation. Since ATP assembles ASC complexes in oxLDL-treated macrophages, P2X7 receptors and CD36 may cooperate in vivo to activate NLRP3 inflammasome, contributing to plaque formation. Besides macrophages, CD36 is expressed on platelets where it mediates oxLDL-dependent platelet activation and potentially further IL-1β release. P2X7 receptors contributes to protein disulfide isomerase (PDI) tissue factor-dependent thrombosis. Consequently, both CD36 and P2X7 receptors may be involved in atherothrombosis upon plaque rupture. [less ▲]

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See detailUnderstanding the performance of the FLake model over two African Great Lakes
Thiery, Wim; Martynov, Andrey; Darchambeau, François ULg et al

in Geoscientific Model Development [=GMD] (2014), 7

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See detailCoherent Backscattering in Fock Space: A Signature of Quantum Many-Body Interference in Interacting Bosonic Systems
Engl, Thomas; Dujardin, Julien ULg; Argüelles, Arturo et al

in Physical Review Letters (2014), 112

We predict a generic signature of quantum interference in many-body bosonic systems resulting in a coherent enhancement of the average return probability in Fock space. This enhancement is robust with ... [more ▼]

We predict a generic signature of quantum interference in many-body bosonic systems resulting in a coherent enhancement of the average return probability in Fock space. This enhancement is robust with respect to variations of external parameters even though it represents a dynamical manifestation of the delicate superposition principle in Fock space. It is a genuine quantum many-body effect that lies beyond the reach of any mean-field approach. Using a semiclassical approach based on interfering paths in Fock space, we calculate the magnitude of the backscattering peak and its dependence on gauge fields that break time-reversal invariance. We confirm our predictions by comparing them to exact quantum evolution probabilities in Bose-Hubbard models, and discuss their relevance in the context of many-body thermalization. [less ▲]

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See detailJupiter's Magnetotail
Krupp, Norbert; Kronberg, Elena; Radioti, Aikaterini ULg

in AGU Monograph (2014)

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See detailD'un point de vue intentionnel. Aspects et enjeux de la philosophie de Roderick Chisholm
Boccaccini, Federico ULg

in Bulletin d'Analyse Phénoménologique (2014)

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See detailCombined effects of climate, resource availability, and plant traits on biomass produced in a Mediterranean rangeland
Chollet, Simon; Rambal, Serge; Fayolle, Adeline ULg et al

in Ecology (2014), 95(3), 737-748

Biomass production in grasslands, a key component of food provision for domestic herbivores, is known to depend on climate, resource availability, and on the functional characteristics of communities ... [more ▼]

Biomass production in grasslands, a key component of food provision for domestic herbivores, is known to depend on climate, resource availability, and on the functional characteristics of communities. However, the combined effects of these different factors remain largely unknown. The aim of the present study was to unravel the causes of variations in the standing biomass of plant communities using a long-term experiment conducted in a Mediterranean rangeland of Southern France. Two management regimes, sheep grazing and grazing associated with mineral fertilization, were applied to different areas of the study site over the past 25 years. Abiotic (temperature, available water, nutrients) and biotic (components of the functional structure communities) factors were considered to explain interannual and spatial variations in standing biomass in these rangelands. Standing biomass was highly predictable, with the best model explaining ;80% of variations in the amount of biomass produced, but the variation explained by abiotic and biotic factors was dependent on the season and on the management regime. Abiotic factors were found to have comparable effects in both management regimes: The amount of biomass produced in the spring was limited by cold temperatures, while it was limited by water availability and high temperatures in the summer. In the fertilized community, the progressive change in the functional structure of the communities had significant effects on the amount of biomass produced: the dominance of few productive species which were functionally close led to higher peak standing biomass in spring. [less ▲]

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See detailImportance de Coula edulis Baill. pour les populations du Sud-Est du Gabon: niveaux de prélèvement et potentiel économique de l’espèce
Moupela, Christian; Vermeulen, Cédric ULg; Doucet, Jean-Louis ULg et al

in Tropicultura (2014), 32(1), 37-45

Coula edulis is a non-timber forest tree species that provides edible fruits for local people. However, its economical importance has never been quantified. The present study aimed to identify the fate of ... [more ▼]

Coula edulis is a non-timber forest tree species that provides edible fruits for local people. However, its economical importance has never been quantified. The present study aimed to identify the fate of stocks of harvested C. edulis fruits in Gabonese villages, emphasizing the social impact and economic income generated by this activity. Our investigations revealed that C. edulis fruits are predominantly utilized for own subsistence, since trading proportion concerned less than 20% of collected fruits. The average income from trade during the harvest period (two months) varied from € 1.7 to € 3.3 per household, depending on the proximity of the market (local or urban). The economical potential of C. edulis fruits could be improved if a sustainable production strategy through domestication processes and agroforestry practices was developed. Such a strategy may also contribute to the increase of the local demand of C. edulis fruits, assuming that a better diffusion was also carried out. [less ▲]

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See detailSurgical treatment of bicuspid aortic valve disease: Knowledge gaps and research perspectives.
Della Corte, Alessandro; Body, Simon C.; Booher, Anna M. et al

in The Journal of thoracic and cardiovascular surgery (2014)

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See detailUn monde entre accélération et incertitudes
Santander, Sébastian ULg

in Interventions Economiques = Papers in Political Economy (2014)

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See detailPenser l'espace d'après le "Parménide"
Gavray, Marc-Antoine ULg

in Dialogue : Canadian Philosophical Review = Dialogue : Revue Canadienne de Philosophie (2014)

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See detailAtlantic-Pacific seesaw and its role in outgassing CO2 during Heinrich events
Menviel, L.; England, M.H.; Meissner, K.J. et al

in Paleoceanography (2014), 29

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See detailMethods to Increase the Robustness of Finite-Volume Flow Models in Thermodynamic Systems
Quoilin, Sylvain ULg; Bell, Ian ULg; Desideri, Adriano ULg et al

in Energies (2014), 7(3), 1621-1640

This paper addresses the issues linked to simulation failures during integration in finite-volume flow models, especially those involving a two-phase state. This kind of model is particularly useful when ... [more ▼]

This paper addresses the issues linked to simulation failures during integration in finite-volume flow models, especially those involving a two-phase state. This kind of model is particularly useful when modeling 1D heat exchangers or piping, e.g., in thermodynamic cycles involving a phase change. Issues, such as chattering or stiff systems, can lead to low simulation speed, instabilities and simulation failures. In the particular case of two-phase flow models, they are usually linked to a discontinuity in the density derivative between the liquid and two-phase zones. In this work, several methods to tackle numerical problems are developed, described, implemented and compared. In addition, methods available in the literature are also implemented and compared to the proposed approaches. Results suggest that the robustness of the models can be significantly increased with these different methods, at the price of a small increase of the error in the mass and energy balances. [less ▲]

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See detailClimate-controlled palynofacies and miospore biostratigraphy of the Early Devonian Jauf Formation, northern Saudi Arabia
Breuer, Pierre; Leszczynski, S.; Miller, M.A. et al

in Review of Palaeobotany and Palynology (2014), ?

The Jauf Formation miospore succession is synthesized in terms of paleoenvironments and sequence stratigraphy. The data set for this study is obtained from four overlapping, continuously cored, and ... [more ▼]

The Jauf Formation miospore succession is synthesized in terms of paleoenvironments and sequence stratigraphy. The data set for this study is obtained from four overlapping, continuously cored, and extensively sampled, boreholes that for a 940 ft composite section. The Jauf Formation ranges in age from late Pragian to latest Emsian. The palynological assemblages, recognized herein, provide the basis for recognizing depositional environments present in the Early Devonian of northern Saudi Arabia. Transgressive – regressive cycles are indicated, not only by lithology but by marked changes in the marine to terrestrially dominated palynological assemblages. Flooding events are recognized by the replacement of spore dominated assemblages by organic-walled microphytoplankton. The maximum flooding interval for the Jauf is reinterpreted based on a correlative event consisting of diverse acritarchs and abundant chitinozoans. [Add details on the paly and sequence stratigraphy here. No.cycles and order.] The new northern Gondwanan biozonation developed by Breuer and Steemans (2012) and used here allows a high-resolution regional biozonation for the Arabian Plate and more intercontinental [?] correlation of the Jauf Formation with other Gondwanan and Euramerican localities. One new spore genus (Zonohilates) and four spore species (Insculptospora maxima, Camarozonotriletes alruwailii, Devonomonoletes crassus and Zonohilates vulneratus) are newly proposed. [less ▲]

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See detailRomosozumab in Postmenopausal Women with Low Bone Mineral Density.
McClung, Michael R.; Grauer, Andreas; Boonen, Steven et al

in The New England journal of medicine (2014), 370

Background Sclerostin is an osteocyte-derived inhibitor of osteoblast activity. The monoclonal antibody romosozumab binds to sclerostin and increases bone formation. Methods In a phase 2, multicenter ... [more ▼]

Background Sclerostin is an osteocyte-derived inhibitor of osteoblast activity. The monoclonal antibody romosozumab binds to sclerostin and increases bone formation. Methods In a phase 2, multicenter, international, randomized, placebo-controlled, parallel-group, eight-group study, we evaluated the efficacy and safety of romosozumab over a 12-month period in 419 postmenopausal women, 55 to 85 years of age, who had low bone mineral density (a T score of -2.0 or less at the lumbar spine, total hip, or femoral neck and -3.5 or more at each of the three sites). Participants were randomly assigned to receive subcutaneous romosozumab monthly (at a dose of 70 mg, 140 mg, or 210 mg) or every 3 months (140 mg or 210 mg), subcutaneous placebo, or an open-label active comparator - oral alendronate (70 mg weekly) or subcutaneous teriparatide (20 mug daily). The primary end point was the percentage change from baseline in bone mineral density at the lumbar spine at 12 months. Secondary end points included percentage changes in bone mineral density at other sites and in markers of bone turnover. Results All dose levels of romosozumab were associated with significant increases in bone mineral density at the lumbar spine, including an increase of 11.3% with the 210-mg monthly dose, as compared with a decrease of 0.1% with placebo and increases of 4.1% with alendronate and 7.1% with teriparatide. Romosozumab was also associated with large increases in bone mineral density at the total hip and femoral neck, as well as transitory increases in bone-formation markers and sustained decreases in a bone-resorption marker. Except for mild, generally nonrecurring injection-site reactions with romosozumab, adverse events were similar among groups. Conclusions In postmenopausal women with low bone mass, romosozumab was associated with increased bone mineral density and bone formation and with decreased bone resorption. (Funded by Amgen and UCB Pharma; ClinicalTrials.gov number, NCT00896532 .). [less ▲]

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See detailSimulation and optimization of a CHP biomass plant and district heating network
Sartor, Kevin ULg; Quoilin, Sylvain ULg; Dewallef, Pierre ULg

in Applied Energy (2014)

Biomass Combined Heat and Power (CHP) plants connected to district heating (DH) networks are recognized nowadays as a very good opportunity to increase the share of renewable sources into energy systems ... [more ▼]

Biomass Combined Heat and Power (CHP) plants connected to district heating (DH) networks are recognized nowadays as a very good opportunity to increase the share of renewable sources into energy systems. However, as CHP plants are not optimized for electricity production, their operation is profitable only if a sufficient heat demand is available throughout the year. Most of the time, pre-feasibility studies are based on peak power demand and business plans only assume monthly or yearly consumption data. This approach usually turns out to overestimate the number of operating hours or oversize the plant capacity. This contribution presents a methodology intended to be simple and effective that provides accurate estimations of economical, environmental and energetic performances of CHP plants connected to district heating networks. A quasi-steady state simulation model of a CHP plant combined with a simulation model of the district heating network installed on the Campus of the University in Liège (Belgium) is used as an application framework to demonstrate the effectiveness of the selected approach. Based on the developed model and actual consumption data, several scenarios for energy savings are considered and ranked. The potential energy savings and resulting energy costs are estimated enabling more general conclusions to be drawn on the opportunity of using district heating networks in urban districts for Western Europe countries. [less ▲]

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See detailEndothelial LGALS9 splice variant expression in endothelial cell biology and angiogenesis
Heusschen, Roy ULg; Schulkens, Iris; van Beijnum, Judy et al

in Biochimica et Biophysica Acta - Molecular Basis of Disease (2014)

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See detailMapping Diasporic Subjectivities
Munos, Delphine ULg; Pandurang, Mala

in South Asian Diaspora (2014), 6(1),

The last two decades have witnessed a growing interest in theorizing literary narratives that address the South Asian diasporic experience. By and large, however, what has emerged is an academic consensus ... [more ▼]

The last two decades have witnessed a growing interest in theorizing literary narratives that address the South Asian diasporic experience. By and large, however, what has emerged is an academic consensus which accords an ever-greater visibility to mainstream diasporic voices from North America, U.K., some parts of Africa and of the Caribbean, at the expense of narratives dealing with South Asian diasporic communities that are based in other locations. Also, such critical consensus valorizes certain class-streamed patterns of migration over others, with the result of homogenizing the diversity of today’s South Asian diaspora. This special issue explores literary representations of the migrant experiences of those underrepresented South Asian communities based in locations such as South America, East Europe, the Gulf, West Africa and East Asia. [less ▲]

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See detailVisible-light photo-activity of alkali metal doped ZnO
Benhebal, Hadj; Chaib, Messaoud; Malengreaux, Charline ULg et al

in Journal of the Taiwan Institute of Chemical Engineers (2014), 45(1), 249-253

In order to utilize visible light more efficiently in the field of photocatalysis, Li, Na and K-doped ZnO nanoparticles were prepared using a sol–gel method. The obtained samples were characterized by BET ... [more ▼]

In order to utilize visible light more efficiently in the field of photocatalysis, Li, Na and K-doped ZnO nanoparticles were prepared using a sol–gel method. The obtained samples were characterized by BET surface area measurements, X-ray diffraction, scanning electron microscopy and UV–vis analysis. The photocatalytic activity of the photocatalysts was evaluated for the degradation of p-nitrophenol (p-NP) under visible light irradiation. It has been observed that these photocatalysts could be a promising photocatalyst for degradation of organic molecules as compared to transition metal doped ZnO under visible light. Li-doped ZnO is the most active photocatalyst and shows high photocatalytic activity for the degradation of p-nitrophenol (p-NP). The enhanced photocatalytic activity of Li-doped ZnO is mainly due to the electron trapping by lithium metal ions, small particle size, large surface area, and high surface roughness of the photocatalysts. [less ▲]

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See detailDiscussion of "Two-dimensional depth-averaged finite volume model for unsteady turbulent flows"
Erpicum, Sébastien ULg; Pirotton, Michel ULg; Archambeau, Pierre ULg et al

in Journal of Hydraulic Research (2014), 52(1), 148-150

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See detailCurrent challenges in the treatment of osteoporosis: an opportunity for bazedoxifene.
Reginster, Jean-Yves ULg; Ferrari, Serge; Hadji, Peyman

in Current medical research and opinion (2014)

Abstract Background: Osteoporosis affects millions of postmenopausal women worldwide. Osteoporosis-related fractures can lead to chronic pain, disability, systemic complications, and increased risk of ... [more ▼]

Abstract Background: Osteoporosis affects millions of postmenopausal women worldwide. Osteoporosis-related fractures can lead to chronic pain, disability, systemic complications, and increased risk of recurrent fractures, resulting in increased healthcare costs and mortality. Because currently available therapies have unique benefit/risk profiles, challenges remain in selecting the most appropriate treatment for each osteoporotic woman. Research and Results: Bazedoxifene (BZA), a new selective estrogen receptor modulator, is being developed for postmenopausal osteoporosis. In a 3-year, global, phase 3 study, BZA significantly reduced the risk of new vertebral fractures and nonvertebral fractures in women with higher baseline fracture risk compared with placebo. In 2 extensions of this study, the efficacy of BZA in reducing vertebral fracture risk was sustained over 7 years. BZA improved lumbar spine and total hip bone mineral density compared with placebo at 3 and 5 years, and demonstrated a favorable safety/tolerability profile, with no endometrial or breast stimulation. BZA was cost-effective compared with raloxifene in a 3-year, head-to-head comparative trial. Indirect comparisons further suggest that BZA may be as effective as bisphosphonates in reducing risk of nonvertebral fractures in women at high risk of fracture. BZA demonstrated efficacy and safety for treating postmenopausal osteoporosis over 7 years, particularly in women at a higher fracture risk. Conclusion: Because of its specific pharmacologic profile, BZA may be appropriate for postmenopausal women seeking a tolerable, safe, effective, and cost-effective long-term osteoporosis treatment. [less ▲]

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See detailAnalysis of the global atmospheric methane budget using ECHAM-MOZ simulations for present-day, pre-industrial time and the Last Glacial Maximum
Basu, A.; Schultz, M. G.; Schröder, S. et al

in Atmospheric Chemistry & Physics Discussions (2014), 14

Atmospheric methane concentrations increased considerably from pre-industrial (PI) to present times largely due to anthropogenic emissions. However, firn and ice core records also document a notable rise ... [more ▼]

Atmospheric methane concentrations increased considerably from pre-industrial (PI) to present times largely due to anthropogenic emissions. However, firn and ice core records also document a notable rise of methane levels between the Last Glacial Maximum (LGM) and the pre-industrial era, the exact cause of which is not entirely clear. This study investigates these changes by analyzing the methane sources and sinks at each of these climatic periods. Wetlands are the largest natural source of methane and play a key role in determining methane budget changes in particular in the absence of anthropogenic sources. Here, a simple wetland parameterization suitable for coarse-scale climate simulations over long periods is introduced, which is derived from a high- resolution map of surface slopes together with various soil hydrology parameters from the CARAIB vegetation model. This parameterization was implemented in the chem- istry general circulation model ECHAM5-MOZ and multi-year time slices were run for LGM, PI and present-day (PD) climate conditions. Global wetland emissions from our parameterization are 72 Tg yr [less ▲]

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See detailTRAITEMENT CONSERVATEUR DES CANCERS INFILTRANTS DE LA VESSIE
WERENNE, Xavier ULg; COUCKE, Philippe ULg

in Revue Médicale de Liège (2014), 69(Supp 1), 69-74

Le cancer de la vessie occupe la 9ème place en termes de fréquence, voire la 2 ème chez la personne âgée, et se situe juste après celui de la prostate. La cystectomie est actuelle- ment le traitement ... [more ▼]

Le cancer de la vessie occupe la 9ème place en termes de fréquence, voire la 2 ème chez la personne âgée, et se situe juste après celui de la prostate. La cystectomie est actuelle- ment le traitement «standard» des cancers infiltrants de la vessie. Cependant, elle est liée à un taux élevé de complications et à une altération de la qualité de vie, en particulier, chez les patients âgés présentant de nombreuses comorbidités. Le but de cet article est de déterminer les alternatives conservatrices et de préciser à quels patients elles doivent être réservées, en particulier, l’approche trimodale (résection trans-uréthrale et radio-chimiothérapie) et la cystectomie partielle précédée de radio-chimiothérapie [less ▲]

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See detailIsocinétisme et douleurs musculaires d’apparition retardée
Hody, Stéphanie ULg; ROGISTER, Bernard ULg; Leprince, Pierre ULg et al

in Movement & Sport Sciences - Science & Motricité (2014)

The curative and preventive efficiency of the isokinetic exercise, especially of the eccentric contraction, has been well demonstrated. However, intense or unusual eccentric exercise is known to induce ... [more ▼]

The curative and preventive efficiency of the isokinetic exercise, especially of the eccentric contraction, has been well demonstrated. However, intense or unusual eccentric exercise is known to induce muscle damage associated with delayed-onset muscle soreness (DOMS) and prolonged functional deficits. These negative consequences can frequently disturb the progress of re-education or training programmes. Since they can affect athletic performance and increase the risk of musculo-skeletal injuries, the structuro-functional alterations associated with DOMS may also be problematic in athletes. Therefore, to optimize the benefits of the eccentric work while avoiding muscle damage and occurrence of DOMS should represent a major objective for the practitioners. To date, the only systematic intervention that brings muscle protection against DOMS consists of performing repeated eccentric sessions at submaximal intensity. Besides its clinical use, isokinetic constitutes an interesting model to generate and investigate the DOMS phenomenon. The original association of eccentric injuring protocols with new emerging techniques of molecular biology appears to be a promising strategy to better understand the cellular and molecular mechanisms underlying exercise-induced muscle damage. Such data would provide better guidelines for prevention or treatment practice. [less ▲]

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See detailDermatophytes transmis par les animaux domestiques
Monod, M; Fratti, B; Mignon, Bernard ULg et al

in Revue Médicale Suisse (2014), 10

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See detailEpidemiological and nonclinical studies investigating effects of iron in carcinogenesis-A critical review
Beguin, Yves ULg; Aapro, M.; Ludwig, H. et al

in Critical Reviews in Oncology/Hematology (2014), 89

The efficacy and tolerability of intravenous (i.v.) iron in managing cancer-related anemia and iron deficiency has been clinically evaluated and reviewed recently. However, long-term data in cancer ... [more ▼]

The efficacy and tolerability of intravenous (i.v.) iron in managing cancer-related anemia and iron deficiency has been clinically evaluated and reviewed recently. However, long-term data in cancer patients are not available; yet, long-term i.v. iron treatment in hemodialysis patients is not associated with increased cancer risk. This review summarizes epidemiological and nonclinical data on the role of iron in carcinogenesis. In humans, epidemiological data suggest correlations between certain cancers and increased iron exposure or iron overload. Nonclinical models that investigated whether iron can enhance carcinogenesis provide only limited evidence relevant for cancer patients since they were typically based on high iron doses as well as injection routes and iron formulations which are not used in the clinical setting. Nevertheless, in the absence of long-term outcome data from prospectively defined trials in i.v. iron-treated cancer patients, iron supplementation should be limited to periods of concomitant anti-tumor treatment. [less ▲]

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See detailRobot-assisted laparoscopy for deep infiltrating endometriosis: international multicentric retrospective study.
Collinet, Pierre; Leguevaque, Pierre; Neme, Rosa Maria et al

in Surgical Endoscopy (2014), sous presse

BACKGROUND: This study aimed to assess the interest in robot-assisted laparoscopy for deep infiltrating endometriosis and to investigate the perioperative results. METHODS: From November 2008 to April ... [more ▼]

BACKGROUND: This study aimed to assess the interest in robot-assisted laparoscopy for deep infiltrating endometriosis and to investigate the perioperative results. METHODS: From November 2008 to April 2012, 164 women with stage 4 endometriosis who underwent robot-assisted laparoscopy (da Vinci Intuitive Surgical System) were included by to eight international participating clinical centers. This study evaluated the procedures performed, the duration of the intervention, the complications, the recurrence, and the impact on fertility. RESULTS: The average operative time was 180 min. The main complications were laparotomy (n = 1, 0.6 %), sutured bowel injury (n = 2, 1.2 %), transfusion for a 2,300-ml bleed (n = 1), prolonged urinary catheterization (n = 1, 0.6 %), ureter-bladder anastomotic leak (n = 1, 0.6 %), and ureteral fistula after ureterolysis (n = 2, 1.2 %). The reoperation rate was 1.8 % (n = 3). The mean follow-up period was 10.2 months. A full recovery was experienced by 86.7 % (98/113) of the patients. After surgery, 41.2 % (42/102) of the patients had a desire for pregnancy, and 28.2 % (11/39) of them became pregnant. CONCLUSION: This study analyzed the largest series of robot-assisted laparoscopies for deep infiltrating endometriosis published in the literature. No increase in surgical time, blood loss, or intra- or postoperative complications was observed. The interest in robot-assisted laparoscopy for deep infiltrating endometriosis seems to be promising. [less ▲]

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See detailA new Lower Cretaceous ichthyosaur from Russia reveals skull shape conservatism within Ophthalmosaurinae
Fischer, Valentin ULg; Arkhangelsky, Maxim; Uspensky, Gleb et al

in Geological Magazine (2014), 151(1), 60-70

Ophthalmosaurinae is a recently recognized clade of derived ichthyosaurs (marine reptiles) ranging from the Bajocian (Middle Jurassic) to the late Albian (late Early Cretaceous). Whereas the Middle-Late ... [more ▼]

Ophthalmosaurinae is a recently recognized clade of derived ichthyosaurs (marine reptiles) ranging from the Bajocian (Middle Jurassic) to the late Albian (late Early Cretaceous). Whereas the Middle-Late Jurassic ophthalmosaurine Ophthalmosaurus is often regarded as a hyperspecialized deep diver, very little is known about the anatomy, evolutionary history, and ecology of Cretaceous ophthalmosaurines because of the scarcity of the fossils and the lack of well-preserved skull material. Here, we describe the skull of a new basal ophthalmosaurine ichthyosaur, Leninia stellans gen. et sp. nov., from the lower Aptian of western Russia, and compare the ocular characteristics of ophthalmosaurids. Leninia is recovered as a basal ophthalmosaurine; it possesses unique traits such as star-shaped frontal–parietal sutures as well as features previously thought to be unique to Ophthalmosaurus such as a supratemporal–stapes contact. A large sclerotic aperture – significantly bigger than in platypterygiine ophthalmosaurids and similar to that of the largest-eyed modern animals (giant and colossal squids) – and reduced dentition appear widespread within ophthalmosaurines. This conservatism suggests ophthalmosaurine ophthalmosaurids occupied similar ecological niche(s) throughout their long evolutionary history. [less ▲]

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See detailFunctionalization of carbon xerogels for the preparation of palladium supported catalysts applied in sugar transformations
Mager, Nathalie; Meyer, Nathalie; Léonard, Alexandre ULg et al

in Applied Catalysis B : Environmental (2014), 148-149

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See detailRuptured subscapular artery aneurysm and subclavian artery occlusion in a patient with type 1 neurofibromatosis: a case report
MOREAU, Antoine; JOSKIN, Julien ULg; KREUTZ, Julie ULg et al

in Journal of Medical Case Reports (2014), 8

INTRODUCTION: Collateral muscular artery aneurysm is exceedingly rare. We report the first case of subscapular artery aneurysm in a patient with type 1 neurofibromatosis and ipsilateral chronic subclavian ... [more ▼]

INTRODUCTION: Collateral muscular artery aneurysm is exceedingly rare. We report the first case of subscapular artery aneurysm in a patient with type 1 neurofibromatosis and ipsilateral chronic subclavian artery occlusion. CASE PRESENTATION: A 74-year-old Caucasian woman with a medical history of type 1 neurofibromatosis, presented a sudden left pectoral mass, later diagnosed as a ruptured aneurysm of the left subscapular artery. It was caused by a chronic occlusion of the left subclavian artery, diagnosed on angiographies prior to embolization. CONCLUSIONS: Collateral artery aneurysm in the event of a mainstream muscular artery chronic occlusion may occur in type 1 neurofibromatosis. [less ▲]

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See detailParticle size distribution of limestone fillers: granulometry and specific surface area investigations
Courard, Luc ULg; Michel, Frédéric ULg

in Particulate Science and Technology (2014), 32(4),

Mineral fillers can be defined as “inert materials included in a mix design for some useful purpose”. They can be added to compounds in order to complete a large variety of final properties without ... [more ▼]

Mineral fillers can be defined as “inert materials included in a mix design for some useful purpose”. They can be added to compounds in order to complete a large variety of final properties without increasing costs or to improve specific characteristics like hardness, brittleness, impact strength, compressive strength, softening point, fire resistance, surface texture, electrical conductivity, …etc. In Belgium, locally available limestone fillers are specifically very well-adapted for the optimisation of particle packing and flow behaviour of cementitious pastes in concrete mixes. Limestone fillers may be easily characterized in terms of chemical and mineralogical properties. These properties are fundamental for the study of the behaviour of concrete mixes in fresh state and for understanding interactions existing at the level of the Interfacial Transition Zone between aggregates and cement paste. These properties are however insufficiently discriminant and particle size, as well as shape distribution, seem to have a potential influence on physical phenomena which happen during the setting process. The aim of this paper is to compare five major techniques used to quantify the size and the shape of limestone fillers particles: laser diffraction scattering, wet sieving and image analysis for particle size measurement and BET adsorption and Blaine permeability methods for specific surface area. [less ▲]

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See detailSpatial Planning as a driver of change in mobility and residential energy consumption
Dujardin, Sébastien; Marique, Anne-Françoise ULg; Teller, Jacques ULg

in Energy & Buildings (2014), 68

This paper analyses the impact of territorial structures upon energy consumption in the Walloon Region (Belgium). The rationale for this research is to consider the long-term influence of spatial planning ... [more ▼]

This paper analyses the impact of territorial structures upon energy consumption in the Walloon Region (Belgium). The rationale for this research is to consider the long-term influence of spatial planning decisions upon energy consumption in both residential building stock and home-to-work commuting. The analysis has been conducted on a regional scale (16,844 km2) and includes urban, peri-urban and rural settlements. Those settlements that perform well in mobility also appear to perform well in terms of building energy consumption. Even though this is not generally the case, it further reveals that some rural settlements characterized by low density show good performance in terms of energy efficiency. This permits a much more progressive approach in terms of spatial planning, whereby compact cities may be viewed as part of the solution, albeit not the whole solution. [less ▲]

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See detailPerceiving the ordinary : a study of everyday landscapes in Belgium
Vanderheyden, Vincent ULg; van der Horst; Van Rompaey, Anton et al

in Tijdschrift voor Economische en Sociale Geografie = Journal of Economic & Social Geography (2014)

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See detailLa radicalité politique au bout du travail. Du suicide des ouvriers aux suicides en séries des employés
Cormann, Grégory ULg

in Quaderni : la Revue de la Communication (2014), 83

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See detailEffects of melody and technique on acoustical and musical features of Western operatic singing voices
Larrouy, Pauline ULg; Magis, David ULg; Morsomme, Dominique ULg

in Journal of Voice (2014)

Objective: The operatic singing technique is frequently employed in classical music. Several acoustical parameters of this specific technique have been studied but how these parameters combine remains ... [more ▼]

Objective: The operatic singing technique is frequently employed in classical music. Several acoustical parameters of this specific technique have been studied but how these parameters combine remains unclear. This study aims to further characterize the Western operatic singing technique by observing the effects of melody and technique on acoustical and musical parameters of the singing voice. Methods: Fifty professional singers performed two contrasting melodies (popular song and romantic melody) with two vocal techniques (with and without operatic singing technique). The common quality parameters (energy distribution, vibrato rate and extent), perturbation parameters (standard deviation of the fundamental frequency, signal-to-noise ratio, jitter and shimmer) and musical features (fundamental frequency of the starting note, average tempo, and sound pressure level) of the 200 sung performances were analyzed. Results: The results regarding the effect of melody and technique on the acoustical and musical parameters show that the choice of melody had a limited impact on the parameters observed, whereas a particular vocal profile appeared depending on the vocal technique employed. Conclusions: This study confirms that vocal technique affects most of the parameters examined. In addition, the observation of quality, perturbation and musical parameters contributes to a better understanding of the Western operatic singing technique. [less ▲]

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See detailLa description des zones climatiques terrestres. À propos d’Ératosthène, Hermès, 16, 3-16 POWELL et Cicéron, Songe de Scipion, 21
Rochette, Bruno ULg

in Antiquité Classique : Revue Interuniversitaire d'Etudes Classiques (2014)

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See detailLe traitement multidisciplinaire du glioblastome
BARTHELEMY, Nicole ULg; GENNIGENS, Christine ULg; Scholtes, Félix ULg et al

in Revue Médicale de Liège (2014), 69

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See detailLa modélisation à l’aide du modèle SWAT des flux hydriques et du transport en suspension sur le bassin versant de la vallée de l’oued EL-Hachem
Tadrist, Nassima ULg; Debauche, Olivier ULg

in Revue des Régions Arides (2014)

Dans le Maghreb, les barrages souffrent régulièrement d’un envasement excessif lié aux problèmes d’érosion présent dans les impluviums situés en amont des barrages. Les origines de cette érosion sont ... [more ▼]

Dans le Maghreb, les barrages souffrent régulièrement d’un envasement excessif lié aux problèmes d’érosion présent dans les impluviums situés en amont des barrages. Les origines de cette érosion sont multiples : aménagement du territoire, déforestation, affectation des terres,… L’hydrologie couplée aux systèmes d’informations géographiques permet à l’aide de modèles distribués et physiquement basés de prédire l’évolution de l’envasement des barrages. L’application de ces modèles en Algérie permettra à terme, de prédire l’impact d’aménagement anti érosifs, de schémas d’aménagement du territoire sur l’envasement des barrages en estimant précisément la quantité de sédiments produit par l’érosion par ruissellement ainsi que le taux de remplissage. Une méthodologie basée sur les données cartographiques (modèle numérique de terrain, carte pédologie, carte géologie et la cartographie d’occupation du sol) ainsi que les données météorologiques journalières (température, humidité relative, vitesse du vent, radiation solaire) est en cours d’élaboration et de test sur le barrage de Bourkourdane. Cette méthodologie utilise le modèles SWAT Le modèle SWAT est utilisé pour prédire la quantité de sédiment s’accumulant dans le barrage, les flux hydriques débit entrants, sortants, ainsi que les volumes d’eau et de sédiments stockés dans le barrage. Une gestion adéquates des lâchers, couplée à une meilleure gestion de l’érosion en amont du barrage permettra d’allonger la durée de vie des barrages Algériens. Plus particulièrement pour le barrage de Boukourdane, une amélioration de la gestion des lâchers est primordiale pour améliorer la recharge de la nappe, lutter contre l’intrusion des eaux marines, et prévenir l’accumulation des particules fines qui réduisent la perméabilité du sol. [less ▲]

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See detailCardiovascular safety of strontium ranelate: real-life assessment in clinical practice.
Donneau, Anne-Françoise ULg; Reginster, Jean-Yves ULg

in Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA (2014), 25

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See detailA propos de l'encéphalopathie du nouveau-né
Battisti, Oreste ULg; Beguin, Yves ULg

in Percentile (2014)

editorial sur l'hypoxie périnatale et les cellules souches.

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See detailNutritive value of tropical forage plants fed to pigs in the Western provinces of the Democratic Republic of the Congo
Kambashi Mutiaka, Bienvenu ULg; Picron, Pascale ULg; Boudry, Christelle ULg et al

in Animal Feed Science & Technology (2014), 191

The nutritive value of 20 forage plants commonly used for feeding pigs in the Democratic Republic of the Congo was studied to determine chemical composition, protein amino acid profiles, mineral content ... [more ▼]

The nutritive value of 20 forage plants commonly used for feeding pigs in the Democratic Republic of the Congo was studied to determine chemical composition, protein amino acid profiles, mineral content, and in vitro digestibility using a two-step method combining an enzymatic pepsin and pancreatin hydrolysis followed by a 72 h gas-test fermentation. The highest protein contents (270–320 g/kg DM) were obtained for Vigna unguiculata, Psophocarpus scandens, Leucaena leucocephala, Manihot esculenta, and Moringa oleifera. Grasses, Acacia mangium, and Eichhornia crassipes, showed the lowest crude protein (CP) and highest NDF contents. Cajanus cajan and Trypsacum andersonii had the most balanced amino acid profile, being deficient in lysine and slightly deficient in histidine, while Megathyrsus maximus displayed the highest number of essential amino acids deficiencies. High mineral contents were obtained from, in ascending order, with M. oleifera, V. unguiculata, E. crassipes, Ipomea batatas and Amaranthus hybridus. In vitro dry matter digestibility ranged from 0.25 to 0.52, in vitro CP digestibility from 0.23 to 0.80, in vitro energy digestibility from 0.23 to 0.52. M. esculenta, M. oleifera, I. batatas, Mucuna pruriens, V. unguiculata, P. scandens and A. hybridus showed high digestibilities for all nutrients. Gas production during fermentation of the pepsin and pancreatin-indigestible fraction of the plants varied from 42 ml/g DM for A. mangium to 202 ml/g DM for I. batatas (P<0.001). Short-chain fatty acid production during fermentation varied from 157 to 405 mg/g of the pepsin and pancreatin indigestible fraction. It is concluded that some of these species are interesting sources of proteins and minerals with a good digestibility that might be used more economically than concentrate, especially in smallholder production systems, to improve pig feeding, mineral intake and intestinal health in pigs reared in the tropics. [less ▲]

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See detailMary Anning’s legacy to French vertebrate palaeontology
Vincent, Peggy; Taquet, Philippe; Fischer, Valentin ULg et al

in Geological Magazine (2014), 151(1), 7-20

The real nature of marine reptile fossils found in England in between the 1700s to the beginning of the 1900s remained enigmatic, until Mary Anning's incredible fossil discoveries and their subsequent ... [more ▼]

The real nature of marine reptile fossils found in England in between the 1700s to the beginning of the 1900s remained enigmatic, until Mary Anning's incredible fossil discoveries and their subsequent study by eminent English and French scientists. In 1820, Georges Cuvier acquired several ichthyosaur specimens found by Mary Anning, now kept or displayed in the Palaeontology Gallery of the MNHN in Paris. Four years later, Cuvier obtained a plesiosaur specimen from Mary Anning, only the second ever discovered. Cuvier was fascinated by these fossils and their study allowed him to apply his comparative anatomical method and to support his catastrophist theory. We re-examined these important specimens from an historical point of view and herein describe them taxonomically for the first time since Cuvier’s works. The Paris specimens belong to two different ichthyosaur genera (Ichthyosaurus and Leptonectes) and one plesiosaur genus (Plesiosaurus). [less ▲]

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See detailKinetic study of 4-nitrophenol photocatalytic degradation over a Zn2+ doped TiO2 catalyst prepared through an environmentally friendly aqueous sol–gel process
Malengreaux, Charline ULg; Pirard, Sophie ULg; Bartlett, John et al

in Chemical Engineering Journal (2014), 245

A kinetic study of the photocatalytic degradation of 4-nitrophenol (4-NP) under UV–visible light (330 nm < k < 800 nm) has been performed via a rigorous chemical engineering approach over a Zn2+ doped ... [more ▼]

A kinetic study of the photocatalytic degradation of 4-nitrophenol (4-NP) under UV–visible light (330 nm < k < 800 nm) has been performed via a rigorous chemical engineering approach over a Zn2+ doped TiO2 catalyst prepared through an environmentally friendly aqueous sol–gel process. The experiments have been performed at three temperatures to enable the global activation energy to be estimated. The influence of the illumination intensity has also been considered. The possibility of internal and external diffusion limitations has been studied and the results obtained demonstrated that there is no diffusional limitation during the photocatalytic degradation of the 4-NP using the selected catalyst. Therefore, the apparent specific reaction rate measured corresponds to the actual reaction rate of the chemical reaction. Parameter adjustments show that the kinetic model that provides the best fit to the experimental data corresponds to a first order reaction. A sequence of elementary steps has been considered and a pseudo-steady state approach based upon the stationary state hypothesis for reaction intermediates has been applied to obtain a kinetic rate expression in agreement with the experimental data. The mean values of the reaction rate constant found at 283 K, 288 K and 293 K are respectively equal to k1 = 0.094 ± 0.003 m3 h- 1 kgcatalyst- 1; k2 = 0.119 ± 0.004 m3 h- 1 kgcatalyst- 1 and k3 = 0.150 ± 0.023 m3 h- 1 kg catalyst-1 and the global activation energy of the degradation reaction was evaluated as 40 kJ mol-1. A phenomenological kinetic mechanism is proposed to describe the reaction at a molecular scale. Finally, statistical validations and residuals analysis have been performed to confirm that the first order model is suitable to represent the 4-NP photocatalytic degradation over time. Such studies are essential to design a reactor for water pollutant degradation on an industrial scale. [less ▲]

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See detailAvaliação da Qualidade de Vida Infantil: O Inventário Sistémico de Qualidade de Vida para Crianças
Fonseca, Marta; Missotten, Pierre ULg; Etienne, Anne-Marie ULg et al

in Psicologia, Reflexão e Crítica = Psychology, Reflection and Criticism (2014), 27(2),

Introduction: Children’s quality of life evaluation has specific methodological aspects. Objective: To examine the psychometric properties of the Portuguese version of the Child Quality of Life Systemic ... [more ▼]

Introduction: Children’s quality of life evaluation has specific methodological aspects. Objective: To examine the psychometric properties of the Portuguese version of the Child Quality of Life Systemic Inventory (CQLSI), which is based on an innovative conceptual and methodological approach to quality of life self-assessment, namely by being interactive and playful, having a psychometry which operates several scores and allowing an analysis of each domain of life. Methods: 120 Portuguese children, from 8 to 12 years old. Results: Internal consistency of the four scores of the CQLSI (State, Goal, Rank and Gap) is satisfactory; all scores have their own specificity. Data show convergent validity. On the other hand, no satisfactory factorial structure was found. Conclusion: Feasibility and psychometric adequacy of the CQLSI Portuguese version seems demonstrated. [less ▲]

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See detailSeasonal and depth-related biodiversity of leaf epiphytic Cheilostome Bryozoa in a Mediterranean Posidonia oceanica meadow
Lepoint, Gilles ULg; Balancier, Boris; Gobert, Sylvie ULg

in Cahiers de Biologie Marine (2014), 55(1),

: Epiphytes living fixed on Posidonia oceanica L. (Delile) are important faunal and floral components of seagrass meadow ecosystems. They are involved as main actors in trophic web and major ecosystem ... [more ▼]

: Epiphytes living fixed on Posidonia oceanica L. (Delile) are important faunal and floral components of seagrass meadow ecosystems. They are involved as main actors in trophic web and major ecosystem processes of this endangered coastal habitat. This paper aims to assess the seasonality and the bathymetric variability of epiphytic Bryozoa which are the most important animal group in terms of both diversity and abundance living on P. oceanica leaves. Posidonia shoots were collected from the Revellata Bay (Corsica, France) in four seasons from 7 to 30 m depth. Colony densities reached more than 87000 colonies. m-2 at 10 m depth in spring. The bryozoan species distribution and abundance changed substantially according to seasons and depths, being maximum in spring and minimal in winter. Dominant colony morphotypes change according to depth, probably in relation with water motion gradient. This confirms that there are bathymetric and seasonal variability for different epiphytic organisms colonizing the Posidonia leaves. This enlightens the importance to protect Posidonia meadow on its full depth extension and in its connectivity with other habitats to conserve optimal epiphytic biodiversity and functions. [less ▲]

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See detailImpact of in vivo T-cell depletion on outcome of AML patients in first CR given peripheral blood stem cells and reduced-intensity conditioning all-SCT from a HLA-identical sibling donor : a report from the Acute Leukemia Working Party of the European group for Blood and Marrow Transplantation
Baron, Frédéric ULg; Labopin, M.; Blaise, D. et al

in Bone Marrow Transplantation (2014)

The impact of in vivo T-cell depletion on transplantation outcomes in patients transplanted with reduced-intensity conditioning (RIC) remains controversial. This study assessed the outcome of 1250 adult ... [more ▼]

The impact of in vivo T-cell depletion on transplantation outcomes in patients transplanted with reduced-intensity conditioning (RIC) remains controversial. This study assessed the outcome of 1250 adult patients with de novo AML in first CR (CR1) given PBSC from HLA-identical siblings after chemotherapy-based RIC. A total of 554 patients did not receive any form of in vivo T-cell depletion (control group), whereas antithymocyte globulin (ATG) and alemtuzumab were given in 444 and 252 patients, respectively. The incidences of grade II-IV acute GVHD were 21.4, 17.6 and 10.2% in control, ATG and alemtuzumab patients, respectively (Po0.001). In multivariate analysis, the use of ATG and the use of alemtuzumab were each associated with a lower risk of chronic GVHD (Po0.001 each), but a similar risk of relapse, and of nonrelapse mortality, and similar leukemia-free survival and OS. Further, among patients given BU-based RIC, the use of o6 mg/kg ATG did not increase the risk of relapse (hazard ratio, HR¼1.1), whereas there was a suggestion for higher relapse risk in patients given X6 mg/kg ATG (HR¼1.4, P¼0.08). In summary, these data suggest that a certain amount of in vivo T-cell depletion can be safely used in the conditioning of AML patients in CR1 given PBSC after chemotherapy-based RIC. [less ▲]

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See detailCouvin/Couvin : Trou de l'Abîme
Miller, Rebecca ULg; Cattelain, Pierre; Otte, Marcel ULg et al

in Chronique de l'Archéologie Wallonne (2014), 21

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See detailExtraction by three processes of arabinoxylans from wheat bran and characterization of the fractions obtained
Aguedo, Mario ULg; Fougnies, Christian; DERMIENCE, Michael ULg et al

in Carbohydrate Polymers (2014), 105

Arabinoxylans (AXs) were extracted from destarched wheat bran (DWB) according to different processes, with a view to their production at industrial scale. Two fractions (F3a and F3b, respectively purified ... [more ▼]

Arabinoxylans (AXs) were extracted from destarched wheat bran (DWB) according to different processes, with a view to their production at industrial scale. Two fractions (F3a and F3b, respectively purified on 10 kDa and 100 kDa ultrafiltration membranes) were obtained with low yields by treating DWB with an endoxylanase and this process left a solid residue exhausted in enzyme-extractable AXs (EDWB). F1 and F2 AX fractions were obtained by treatment with sodium hydroxide of respectively DWB and EDWB. The fraction F4 resulted from a hydrothermal treatment of EDWB in a pressure reactor, followed by ethanol precipitation. The different AX fractions were characterized and compared for the composition in monosaccharides, for the contents in fats and in ferulic, phytic and uronic acids, for the molecular mass distribution and the degrees of methylation and acetylation. The alkaline extractions gave one desesterified AX population with molecular mass (MM) higher than 670 kDa and arabinose/xylose ratios (Ara/Xyl) around 1. The enzyme and thermal treatments yielded AXs with two main populations in size-exclusion chromatography (the largest one at 5-12.5 kDa and a second one at 140-160 kDa), having overall Ara/Xyl of respectively 0.7 and 0.5 for both processes. These data bring information about the influence of the process on the characteristics of AX fractions obtained from pretreated wheat bran. Here are also reported processes that enabled to recover enzyme-unextractable AXs from DWB, including an original and up-scalable hydrothermal extraction. Phytate contents of isolated AXs are described for the first time. [less ▲]

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See detailMulti-scale optimal interpolation: application to DINEOF analysis spiced with a local optimal interpolation
Beckers, Jean-Marie ULg; Barth, Alexander ULg; Tomazic, Igor ULg et al

in Ocean Science Discussions (2014), 11

We present a method in which the optimal interpolation of multi-scale processes can be untangled into a succession of simpler interpolations. First, we prove how the optimal analysis of a superposition of ... [more ▼]

We present a method in which the optimal interpolation of multi-scale processes can be untangled into a succession of simpler interpolations. First, we prove how the optimal analysis of a superposition of two processes can be obtained by different mathematical formulations involving iterations and analysis focusing on a single process. From the 5 different mathematical equivalent formulations we then select the most efficient ones by analyzing the behavior of the different possibilities in a simple and well controlled test case. The clear guidelines deduced from this experiment are then applied in a real situation in which we combine large-scale analysis of hourly SEVIRI satellite images using DINEOF with a local optimal interpolation using a Gaussian covariance. It is 10 shown that the optimal combination indeed provides the best reconstruction and can therefore be exploited to extract the maximum amount of useful information from the original data [less ▲]

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See detailBis-(1,2,3,4-tetrahydroisoquinolinium): a chiral scaffold for developing high affinity ligands for SK channels
Liégeois, Jean-François ULg; Wouters, Johan; Seutin, Vincent ULg et al

in ChemMedChem (2014), 9

N-Methyl-bis-(1,2,3,4-tetrahydroisoquinolinium) analogues derived from AG525 (1,1'-(propane-1,3-diyl)-bis-(6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinoline)) stereoisomers and tetrandrine, a rigid ... [more ▼]

N-Methyl-bis-(1,2,3,4-tetrahydroisoquinolinium) analogues derived from AG525 (1,1'-(propane-1,3-diyl)-bis-(6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinoline)) stereoisomers and tetrandrine, a rigid bis-(1,2,3,4-tetrahydroisoquinoline) analogue with an S,S configuration, were synthesized and tested for their affinity for small-conductance calcium-activated potassium channel (SK/KCa2) subtypes using radioligand binding assays. A significant increase in affinity was observed for the quaternized analogues over the parent 1,2,3,4-tetrahydroisoquinoline compounds. Interestingly, the impact of stereochemistry was not the same in the two groups of compounds. For quaternized analogues, affinities of S,S and R,R isomers for SK2 and SK3 channels were similar and in both cases higher than that of the meso derivative. Among the bis-tetrahydroisoquinoline compounds, the S,S isomers exhibited high affinity, while the R,R and meso isomers had similarly lower affinities. Furthermore, the SK2/SK3 selectivity ratio was slightly increased for quaternized analogues. Bis-(1,2,3,4-tetrahydroisoquinolinium) represents a new scaffold for the development of high-affinity ligands for SK channel subtypes [less ▲]

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See detailDynamic seasonal nitrogen cycling in response to anthropogenic N loading in a tropical catchment, Athi–Galana–Sabaki River, Kenya
Marwick, T. R.; Tamooh, F.; Ogwoka, B. et al

in Biogeosciences (2014), 11(2), 443--460

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See detailL’evidence-based practice à portée des orthophonistes : intérêt des recommandations pour la pratique clinique
Maillart, Christelle ULg; Durieux, Nancy ULg

in Rééducation Orthophonique (2014), 257

La démarche evidence-based practice (EBP) littéralement « pratique basée sur des preuves », a pour objectif d’aider le clinicien à optimiser ses choix thérapeutiques en s’appuyant sur des données ... [more ▼]

La démarche evidence-based practice (EBP) littéralement « pratique basée sur des preuves », a pour objectif d’aider le clinicien à optimiser ses choix thérapeutiques en s’appuyant sur des données objectives issues de la recherche tout en tenant compte de la situation clinique. Néanmoins, la méthodologie complète de récolte et d’analyse des données est complexe et chronophage, ce qui est un frein réel pour son application en clinique. Pour remédier à cela, des synthèses scientifiquement motivées, appelées des recommandations de pratique clinique (RPC) ou guidelines, se développent et jouent alors un rôle essentiel pour l’actualisation des connaissances des professionnels. Cet article s’intéresse particulièrement aux recommandations pour la pratique clinique et au rôle qu’elles peuvent jouer dans la sensibilisation des cliniciens au recours à une démarche EBP. [less ▲]

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See detailSpread of hatch and delayed feed access affect post hatch performance of female broiler chicks up to day 5.
Wang, Y.; Li, Yue; Willems, E. et al

in Animal (2014)

It is not rare that newly hatched chicks remain without feed for about 24 to 48 h before they are placed on farms due to a series of logistic operations. Furthermore, the spread in hatching time can also ... [more ▼]

It is not rare that newly hatched chicks remain without feed for about 24 to 48 h before they are placed on farms due to a series of logistic operations. Furthermore, the spread in hatching time can also mount up to 30 to 48 h for late v. early hatchers. In other words, the practice is a complex combination of spread of hatch and delayed feed access. The present study was aimed to investigate the combined effects of hatching time with a delay in feed access of 48 h, starting from their hatch-time (biological age). When chicks had access to feed immediately after hatch, late hatchers had a higher feed intake and relative growth rate up to day 5 compared with their early hatched counterparts. Feed deprivation during the first 48 h resulted in retarded early growth rate, which was further aggravated by an impaired feed intake after refeeding. In addition, the differential effects of hatching time on relative growth rate and feed intake observed in immediately fed chicks were eliminated by the 48 h feed delay. The yolk utilization after hatch was faster for the late hatchers up to biological day 2 regardless of the feeding treatments. Hatching muscle glycogen content was higher in the late hatchers compared with that of their early counterparts at hatch and at biological day 2 independent of feeding treatment. Moreover, the liver glycogen content of the late hatchers was also higher at hatch. For the immediately fed chicks, the proportional breast muscle weight of the late hatchers was higher at biological day 2 and 5. For the starved chicks, on the other hand, this effect was only observed after they had access to feed (biological day 5). The different plasma T3 levels at hatch may have contributed to the different post hatch performance. It is concluded that the spread of hatch influenced post hatch performance, especially appetite and growth at least until day 5. Moreover, the delay in feed access interacted with the hatching time and caused adverse effects on the post hatch performance. [less ▲]

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See detailImpact of the invasive Asian clam, Corbicula spp., on a large river ecosytem
Pigneur, Lise-Marie; Falisse, Elodie; Roland, Kathleen et al

in Freshwater Biology (2014), 59(3), 573-583

During the past recent decades, Asiatic clams (Corbicula spp.) have spread spectacularly in several large European rivers. In the River Meuse, a transnational lowland river, an important chlorophyll a ... [more ▼]

During the past recent decades, Asiatic clams (Corbicula spp.) have spread spectacularly in several large European rivers. In the River Meuse, a transnational lowland river, an important chlorophyll a decline has been recorded since the mid-2000s, which seems to be related to the invasion by these exotic bivalves. This study aimed at verifying that hypothesis, using clam density data from field surveys, water quality monitoring data, and a simulation model. Estimated Corbicula densities were between 50 and 900 individuals m-2, depending on the site. Using a maximum filtration rate per clam body mass of 0.086 m3 g C-1 day-1 at 20°C derived from the literature, we ran simulations with a non-stationary model to estimate the impact of the exotic bivalve on the river plankton and water quality. In the stretches where the invasive clams developed best, comparison with a clam-free scenario allowed estimating a 70 % phytoplankton biomass loss due to their filtration, leading to a 61 % loss of annual primary productivity. Model simulations also showed that zooplankton may have suffered as much as 75 % loss in terms of biomass. The simulations also point to substantial effects of the invasive Corbicula on the river oxygen budget and on nutrient cycling. We expect that, in the heavily regulated sectors of the river, the loss of planktonic production due to the invasive filter-feeders will negatively affect other suspension feeders and alter ecosystem function and productivity. [less ▲]

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See detailObservation <–> Text(e) <–> Culture. Introduction
Badir, Sémir ULg

in Semiotica (2014), 198

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See detailOn the observability of the quark orbital angular momentum distribution
Courtoy, Aurore ULg; Goldstein, Gary R.; Hernandez, J. Osvaldo Gonzalez et al

in Physics Letters B (2014), 731(0), 141-147

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See detailEffects of two PBDE congeners on the moulting enzymes of the freshwater amphipod Gammarus pulex
Gismondi, Eric ULg; Thomé, Jean-Pierre ULg

in Environmental Pollution (2014)

Polybrominated diphenyl ethers (PBDEs) are abundant in aquatic environment. However, only few studies have investigated their impacts on freshwater invertebrates. This work aimed to study the effects of ... [more ▼]

Polybrominated diphenyl ethers (PBDEs) are abundant in aquatic environment. However, only few studies have investigated their impacts on freshwater invertebrates. This work aimed to study the effects of BDE-47 and BDE-99 congeners on the chitobiase and chitinolytic enzymes activities of the freshwater amphipod Gammarus pulex, according to gender, PBDE concentration and time of exposure. In addition, the bioaccumulation of BDE-47 and BDE-99 were measured. Results revealed that females have bioaccumulated more PBDE than males, and BDE-99 was more accumulated than BDE-47. PBDE exposures for 96hrs have caused chitobiase and chitinolytic enzymes inhibition. This study not only indicate the importance of taking into account various confounding factors (gender, congeners, concentration) to understand PBDE effects, but underline also disruptions of molting enzymes activities. These disturbances suggest effects on the gammarid development and reproduction, and consequently effects on the gammarid population, and on a larger scale, a dysfunction of the ecosystem. [less ▲]

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See detailA new criterion to assess distributional homogeneity in hyperspectral images of solid pharmaceutical dosage forms
Sacre, Pierre-Yves ULg; Lebrun, Pierre ULg; Chavez, Pierre-François ULg et al

in Analytica Chimica Acta (2014), 818

During galenic formulation development, homogeneity of distribution is a critical parameter to check since it may influence activity and safety of the drug. Raman hyperspectral imaging is a technique of ... [more ▼]

During galenic formulation development, homogeneity of distribution is a critical parameter to check since it may influence activity and safety of the drug. Raman hyperspectral imaging is a technique of choice for assessing the distributional homogeneity of compounds of interest. Indeed, the combination of both spectroscopic and spatial information provides a detailed knowledge of chemical composition and component distribution. Actually, most authors assess homogeneity using parameters of the histogram of intensities (e.g. mean, skewness and kurtosis). However, this approach does not take into account spatial information and loses the main advantage of imaging. To overcome this limitation, we propose a new criterion: Distributional Homogeneity Index (DHI). DHI has been tested on simulated maps and formulation development samples. The distribution maps of the samples were obtained without validated calibration model since different formulations were under investigation. The results obtained showed a linear relationship between content uniformity values and DHI values of distribution maps. Therefore, DHI methodology appears to be a suitable tool for the analysis of homogeneity of distribution maps even without calibration during formulation development. [less ▲]

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See detailQUELLE EST LA PLACE DE L’HUMAIN AU SEIN DES RECOMMANDATIONS, DES CONCERTATIONS ONCOLOGIQUES
BARTHELEMY, Nicole ULg; BOGA, Deniz ULg; PRINCEN, Fabienne ULg et al

in Revue Médicale de Liège (2014), 69(Supp 1), 9-12

Le patient atteint de cancer bénéficie à l’heure actuelle d’une médecine très technique, de plus en plus ciblée et individualisée. Et l’Homme dans tout cela ? Divers outils ont été développés afin d’aider ... [more ▼]

Le patient atteint de cancer bénéficie à l’heure actuelle d’une médecine très technique, de plus en plus ciblée et individualisée. Et l’Homme dans tout cela ? Divers outils ont été développés afin d’aider les médecins et l’ensemble des soignants à concilier la médecine contemporaine et les droits fondamentaux du patient. Parmi ceux-ci, on trouve les Concertations Oncologiques Multidisciplinaires (COM) ainsi que les recommandations de traitement publiées par les socié - tés scientifiques nationales ou internationales. La prise en charge des patients doit être interdisciplinaire et basée sur une médecine factuelle. Ce processus de prise de décisions parta - gée doit, au final, être en accord avec les souhaits du patient. Cette approche doit lui permettre de conserver son autonomie et d’être l’acteur principal dans les prises de décision. [less ▲]

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