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See detailPalatoschisis in the dog: developmental mechanisms and etiology
Van Den Berghe, Femke ULg; Cornillie, Pieter; Stegen, Ludo et al

in Vlaams Diergeneeskunde Tijdschift = Flemish Veterinary Journal (2010)

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See detail« Objet et contenu – L’intentionnalité husserlienne face à son héritage psychologiste »
Gyemant, Maria ULg

in Studia Phaenomenologica (2010), Vol. X

This paper aims to show how Husserl’s concept of intentionality detaches itself from the background of a thorough and recurrent argument against psychologism. Noting that, primarily, the concept of ... [more ▼]

This paper aims to show how Husserl’s concept of intentionality detaches itself from the background of a thorough and recurrent argument against psychologism. Noting that, primarily, the concept of intentionality was recovered by Brentano’s psychology, it seemed to us important to show how Husserl’s intentionality, as it is conceived in the Logical investigations, distinguishes itself from the “intentional inexistence” that Brentano describes in his Psychology from an empirical standpoint. Showing what parts of this psychology were rejected and what was maintained in Husserl’s theory should be the first concern of those who intend to study the phenomenological concept of intentionality. [less ▲]

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See detailL'exraction par micro-ondes: un choix de qualité
Ramdani, M.; Ghazi, Z.; Fadel, O. et al

Poster (2010)

Le but de ce travail est de comparer l’extraction faite par chauffage classique (CC) avec celle réalisée sous micro-ondes (MO). Deux modes d’extraction ont été réalisés : - L’hydro-distillation par ... [more ▼]

Le but de ce travail est de comparer l’extraction faite par chauffage classique (CC) avec celle réalisée sous micro-ondes (MO). Deux modes d’extraction ont été réalisés : - L’hydro-distillation par chauffage classique (extraction par entraînement à la vapeur d’un solvant) et, - L’hydro-distillation activée par micro-ondes. Les MO permettent un gain de temps considérable. Par exemple, dans le cas du lavandula dentata : on note une cinétique 3 fois plus rapide, de plus le rendement est nettement supérieur (1% contre 0,6% par chauffage classique). Dans le cas de la plante fraiche, l’extraction est faite en absence de solvant sous MO. Ceci présente un grand intérêt sur le plan économique et environnemental. De plus, la qualité de l’huile extraite présente généralement une meilleure pureté. L’extraction par MO constitue une technique en accord avec la chimie verte. Grâce à ce procédé, on pourra alors réduire d'environ 60 % les besoins en énergie, ce qui diminuera d'autant les émissions de gaz à effet de serre. [less ▲]

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See detailCombined PIXE/PIGE and IBIL with external beam applied to the analysis of Merovingian glass beads
Mathis, François ULg; Othmane, G.; Vrielynck, Olivier et al

in Nuclear Instruments & Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms (2010), 268(11-12), 2078-2082

New improvements on our archaeometry line at the cyclotron of the Institute of Nuclear and Atomic Physics and of Spectrometry of the University of Liege have allowed the use of PIXE/PIGE and IBIL in-air ... [more ▼]

New improvements on our archaeometry line at the cyclotron of the Institute of Nuclear and Atomic Physics and of Spectrometry of the University of Liege have allowed the use of PIXE/PIGE and IBIL in-air for the analysis of cultural heritage objects. The extraction is performed through a 100 nm thick Si3N4 window. The detection set-up consists now of two X-ray and one gamma-ray detectors, together with a fiber optic UV-visible spectrometer. This set-up has already been tested for the analysis of modern corundum [1] and is now adapted to the analysis of archaeological artefacts. In this work, we have used it to analyse 216 out of the 5000 Merovingian glass beads that come from the necropolis of Bossut-Gottechain (Belgium), one of the most important ever found in Belgium. The IBA analyses confirmed the typological division of different beads groups through chemical composition that gives us new insights on fabrication techniques of glass matrices and colorants. (C) 2010 Elsevier B.V. All rights reserved. [less ▲]

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See detailExperimental investigation of the effect of flip bucket splitters on plunge pool geometry
Erpicum, Sébastien ULg; Archambeau, Pierre ULg; Dewals, Benjamin ULg et al

in Wasserwirtschaft (2010), 4

Flip buckets are common hydraulic structures aiming at deflecting high velocity flows to a free jet trajectory. Systematic experimental tests have been performed to assess the influence on energy ... [more ▼]

Flip buckets are common hydraulic structures aiming at deflecting high velocity flows to a free jet trajectory. Systematic experimental tests have been performed to assess the influence on energy dissipation and the plunge pool geometry of varied repartitions of splitters along the flip bucket width. In particular, it is shown that some configurations can create more erosion than a continuous channel without flip bucket. [less ▲]

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See detailUnified description of fission in fusion and spallation reactions
Mancusi, Davide ULg; Charity, R. J.; Cugnon, Joseph ULg

in Physical Review. C : Nuclear Physics (2010), 82

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See detailStructures et fonctionnements des marchés du carbone
Xhignesse, Guillaume ULg

Master's dissertation (2010)

This study is interested in the theoretical and actual functioning of the emissions trading systems resulting from the coming into force of the Kyoto protocol in 2005 and the implementation of the ... [more ▼]

This study is interested in the theoretical and actual functioning of the emissions trading systems resulting from the coming into force of the Kyoto protocol in 2005 and the implementation of the European Union Emissions Trading Scheme (EU ETS) in 2002. The first part of the work is devoted to a literature-based analysis of the Kyoto flexible mechanisms: Emissions Trading (ET), Clean Development Mechanism (CDM) and Joint Implementation (JI). These mechanisms allow the protocol's parties to achieve their objectives at the lowest cost, using a "cap and trade" strategy. Concerning ET, the issues of the surplus of emissions rights (called "hot air") and the effects of the economic crisis are tackled. An analysis of the spatial and sectoral distribution of CDM and JI is also conducted. The second part concerns the EU ETS, the coordinated emissions trading system of the European Union. With this system, companies with a high level of emissions established in at least one of the member countries directly support a part of the global constraint resulting from the involvement of the EU in the Kyoto protocol. The system also use a "cap and trade" strategy and has been progressively spatially and sectorally extended. As for Kyoto flexible mechanisms, an analysis of the structure and the functioning of this market is done on the basis of the literature. In addition, the implementation of this system within the firms is described through actual business cases and is compared with theoretical observations. In particular, we focus on emissions monitoring and portfolio optimization. In the third part of the work, we conduct and in-depth qualitative analysis of the impact of EU ETS on the competititveness of firms subject to the constraint in Belgium. Interviews has been done with heads of four companies selected for their differences in terms of size, emissions level, sector and environmental policy. The answers collected are systematically compared with the multinational survey of the independent specialized consultant PointCarbon (2010). Results show that opinions about the impact on the competitiveness are strongly influenced by sector and size of the firms. [less ▲]

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See detailIMA Commission on New Minerals, Nomenclature and Classification (CNMNC), Newsletter 3
Williams, Pete; Hatert, Frédéric ULg; Pasero, Marco et al

in Mineralogical Magazine (2010), 74

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See detailInorganic-binding peptides as tools for surface quality control
Vreuls, Christelle ULg; Zocchi, Germaine ULg; Genin, Alexis ULg et al

in Journal of Inorganic Biochemistry (2010)

This paper highlights an innovative application of inorganic-binding peptides as quality control tools for detecting defects on inorganic surfaces of any shape. The approach involves attaching a ... [more ▼]

This paper highlights an innovative application of inorganic-binding peptides as quality control tools for detecting defects on inorganic surfaces of any shape. The approach involves attaching a fluorescent label to an inorganic-binding peptide and exploiting the peptide's high binding specificity to detect, by simple fluorescence microscopy, chemical composition defects of microm size and crystallographic state defects. Proof of concept was demonstrated by monitoring binding of a previously isolated ZnO-binding peptide to galvanized steel substrates. The approach was further validated for TiO(2) coatings and stainless steel, with two new, specific inorganic-binding peptides isolated by phage display. [less ▲]

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See detailHistory effect of light and temperature on monoterpenoid emissions from Fagus sylvatica L.
Demarcke, M.; Schoon, N.; Van Langenhove, H. et al

in Atmospheric Environment (2010), 44(27), 3261-3268

Monoterpenoid emissions from Fagus sylvatica L trees have been measured at light- and temperature-controlled conditions in a growth chamber, using Proton Transfer Reaction Mass Spectrometry (PTR-MS) and ... [more ▼]

Monoterpenoid emissions from Fagus sylvatica L trees have been measured at light- and temperature-controlled conditions in a growth chamber, using Proton Transfer Reaction Mass Spectrometry (PTR-MS) and the dynamic branch enclosure technique. De novo synthesized monoterpenoid Standard Emission Factors, obtained by applying the G97 algorithm (Guenther, 1997), varied between 2 and 32 mu g g(-1)DW h(-1) and showed a strong decline in late August and September, probably due to senescence. The response of monoterpenoid emissions to temperature variations at a constant daily light pattern could be well reproduced with a modified version of the MEGAN algorithm (Guenther et al., 2006), with a typical dependence on the average temperature over the past five days. The diurnal emissions at constant temperature showed a typical hysteretic behaviour, which could also be adequately described with the modified MEGAN algorithm by taking into account a dependence on the average light levels experienced by the trees during the past 10-13 h. The impact of the past light and temperature conditions on the monoterpenoid emissions from E sylvatica L was found to be much stronger than assumed in previous algorithms. Since our experiments were conducted under low light intensity, future studies should aim at confirming and completing the proposed algorithm updates in sunny conditions and natural environments. (C) 2010 Elsevier Ltd. All rights reserved. [less ▲]

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See detailTowards calibration and characterization of high-energy beams using charged particle retrodiffusion on a double thin carbon foil system
Chene, Grégoire ULg; Mathis, François ULg; Dupuis, Thomas ULg et al

in Nuclear Instruments & Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms (2010), 268(11-12), 2015-2018

The cyclotron of the IPNAS-CEA laboratory of the University of Liege (Belgium) has built a new high-energy, high-resolution beam line based on the use of a pair of 900 bending magnets showing a energy ... [more ▼]

The cyclotron of the IPNAS-CEA laboratory of the University of Liege (Belgium) has built a new high-energy, high-resolution beam line based on the use of a pair of 900 bending magnets showing a energy resolution of Delta E = 1.9 +/- 0.4 keV comparable to that of electrostatic IBA installations. In the 6-20 MeV energy range the contribution of non-Rutherford events to scattering spectra became important and are not very well known. In order to improve our knowledge in that field, a new vacuum chamber especially dedicated to differential cross-section measurements has been constructed. First results obtained with the new set-up are presented. (C) 2010 Elsevier B.V. All rights reserved. [less ▲]

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See detailIMA Commission on New Minerals, Nomenclature and Classification (CNMNC), Newsletter 4
Williams, Pete; Hatert, Frédéric ULg; Pasero, Marco et al

in Mineralogical Magazine (2010), 74(4), 798-800

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See detailImputation of genotypes from different single nucleotide polymorphism panels in dairy cattle.
Druet, Tom ULg; Schrooten, C.; de Roos, A. P. W.

in Journal of Dairy Science (2010), 93(11), 5443-54

Imputation of missing genotypes is important to join data from animals genotyped on different single nucleotide polymorphism (SNP) panels. Because of the evolution of available technologies, economical ... [more ▼]

Imputation of missing genotypes is important to join data from animals genotyped on different single nucleotide polymorphism (SNP) panels. Because of the evolution of available technologies, economical reasons, or coexistence of several products from competing organizations, animals might be genotyped for different SNP chips. Combined analysis of all the data increases accuracy of genomic selection or fine-mapping precision. In the present study, real data from 4,738 Dutch Holstein animals genotyped with custom-made 60K Illumina panels (Illumina, San Diego, CA) were used to mimic imputation of genotypes between 2 SNP panels of approximately 27,500 markers each and with 9,265 SNP markers in common. Imputation efficiency increased with number of reference animals (genotyped for both chips), when animals genotyped on a single chip were included in the training data, with regional higher marker densities, with greater distance to chromosome ends, and with a closer relationship between imputed and reference animals. With 0 to 2,000 animals genotyped for both chips, the mean imputation error rate ranged from 2.774 to 0.415% and accuracy ranged from 0.81 to 0.96. Then, imputation was applied in the Dutch Holstein population to predict alleles from markers of the Illumina Bovine SNP50 chip with markers from a custom-made 60K Illumina panel. A cross-validation study performed on 102 bulls indicated that the mean error rate per bull was approximately equal to 1.0%. This study showed the feasibility to impute markers in dairy cattle with the current marker panels and with error rates below 1%. [less ▲]

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See detailLe WWF-Belgique. Conseil d’administration d’une entreprise sociale : le cheminement vers la maturité
Bauwens, Thomas ULg

in Mertens de Wilmars, Sybille (Ed.) La gestion des entreprises sociales (2010)

La vie du conseil d'administration des entreprises sociales n'est pas toujours un long fleuve tranquille… En effet, les mécanismes de gouvernance, et en particulier le CA, loin d'être figés, tendent ... [more ▼]

La vie du conseil d'administration des entreprises sociales n'est pas toujours un long fleuve tranquille… En effet, les mécanismes de gouvernance, et en particulier le CA, loin d'être figés, tendent plutôt à se modifier et à s’adapter sous la pression de facteurs tant internes qu’externes aux entreprises ; le conseil d’administration évolue au cours de son existence en termes de rôles et de composition. Plus spécifiquement, l'importance de la fonction de contrôle du CA peut varier de manière significative au cours du temps. C'est à la longue histoire de la vie du CA du WWF-Belgique, et à la façon dont celui-ci a réussi à surmonter les périodes difficiles, évoluant ainsi vers la maturité, que nous nous attachons ici. [less ▲]

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See detailSimulation of Particle Levitation due to Dielectrophoresis
Rochus, Véronique ULg; Hannot, Stephan; Golinval, Jean-Claude ULg et al

in EuroSimE 2010 (2010)

The aim of the research is to model accurately dielectrophoresis using different numerical tools and compare them to experimental results. The dielectrophoresis phenomenon consists in the creation of ... [more ▼]

The aim of the research is to model accurately dielectrophoresis using different numerical tools and compare them to experimental results. The dielectrophoresis phenomenon consists in the creation of electrostatic forces on nano or micro particles due to a gradient of electric field. The aim of such a setup is to control the motion of micro or nano particles for MEMS applications, for instance, for bioanalysis devices. To validate the numerical results, some prototypes have been fabricated at TU Delft. Using these simulations, a design of microstructure has been chosen to levitate Silica micro-particles. Experimental measurements have been performed and some characteristic behaviours of particle depending on the amplitude and the frequency of the applied voltage have been identified. The measurements are compared to the numerical simulation. [less ▲]

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See detailClinical characteristics and therapeutic responses in patients with Germ-line AIP mutations and pituitary adenomas : An international collaborative study
Daly, Adrian ULg; Tichomirowa, Maria A.; Petrossians, Patrick ULg et al

in Journal of Clinical Endocrinology and Metabolism (2010), 95(11),

Context: AIP mutations (AIPmut) give rise to a pituitary adenoma predisposition that occurs in familial isolated pituitary adenomas and less often in sporadic cases. The clinical and therapeutic features ... [more ▼]

Context: AIP mutations (AIPmut) give rise to a pituitary adenoma predisposition that occurs in familial isolated pituitary adenomas and less often in sporadic cases. The clinical and therapeutic features of AIPmut-associated pituitary adenomas have not been studied comprehensively. <br />Objective: The objective of the study was to assess clinical/therapeutic characteristics of AIPmut pituitary adenomas. <br />Design: This study was an international, multicenter, retrospective case collection/database analysis. <br />Setting: The study was conducted at 36 tertiary referral endocrine and clinical genetics departments. <br />Patients: Patients included 96 patients with germline AIPmut and pituitary adenomas and 232 matched AIPmut-negative acromegaly controls. <br />Results: The AIPmut population was predominantly young and male (63.5%); first symptoms occurred as children/adolescents in 50%. At diagnosis, most tumors were macroadenomas (93.3%); extension and invasion was common. Somatotropinomas comprised 78.1% of the cohort; there were also prolactinomas (n = 13), nonsecreting adenomas (n = 7), and a TSH-secreting adenoma. AIPmut somatotropinomas were larger (P = 0.00026), with higher GH levels (P = 0.00068), more frequent extension (P = 0.018) and prolactin cosecretion (P = 0.00023), and occurred 2 decades before controls (P < 0.000001). Gigantism was more common in the AIPmut group (P < 0.000001). AIPmut somatotropinoma patients underwent more surgical interventions (P = 0.00069) and had lower decreases in GH (P = 0.00037) and IGF-I (P = 0.028) and less tumor shrinkage with somatostatin analogs (P < 0.00001) vs. controls. AIPmut prolactinomas occurred generally in young males and frequently required surgery or radiotherapy. <br />Conclusions: AIPmut pituitary adenomas have clinical features that may negatively impact treatment efficacy. Predisposition for aggressive disease in young patients, often in a familial setting, suggests that earlier diagnosis of AIPmut pituitary adenomas may have clinical utility. [less ▲]

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