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See detailDIGIT, GASPS, DEBRIS and DUNES: four HERSCHEL Open Time Key Programs to survey the dust cycle in circumstellar disks
Augereau, J.-C.; Absil, Olivier ULg; Bouvier, J. et al

in Charbonnel, C.; Combes, F.; Samadi, R. (Eds.) SF2A-2008 (2008, November 01)

Four accepted HERSCHEL open time key programs, DIGIT, GASPS, DEBRIS and DUNES, will study the evolution of the dust grains in circumstellar disks around young and Main Sequence stars. There is a strong ... [more ▼]

Four accepted HERSCHEL open time key programs, DIGIT, GASPS, DEBRIS and DUNES, will study the evolution of the dust grains in circumstellar disks around young and Main Sequence stars. There is a strong implication of the french community in these four projects which represent a total of 930 hours (>38 days) of her\ observing time. The DIGIT and GASPS projects will focus on the first stages of planet formation, while the DEBRIS and DUNES projects will search for extra-solar Kuiper Belt analogs around nearby Main Sequence stars. In this paper, we give an overview of the scientific goals of the four projects and of the numerical tools that we will be providing to the teams to model and interpret the her\ observations from these programs. [less ▲]

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See detailRadial velocities with the Gaia RVS spectrometer
Viala, Y. P.; Blomme, R.; Damerdji, Yassine ULg et al

in Charbonnel, C.; Combes, F.; Samadi, R. (Eds.) SF2A-2008; Annual Meeting of the French Society of Astronomy (2008, November 01)

Four different method are used to derive radial velocities from spectra observed by the Gaia Radial Velocity Spectrometer (RVS). They are briefly presented here together with very preliminary results.

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See detailThe 16OH/18OH and OD/OH isotope ratios in comet C/2002 T7 (LINEAR)
Hutsemekers, Damien ULg; Manfroid, Jean ULg; Jehin, Emmanuel ULg et al

in Astronomy and Astrophysics (2008), 490(Letters), 31-34

The [SUP]16[/SUP]OH/[SUP]18[/SUP]OH and OD/OH isotope ratios are measured in the Oort-Cloud comet C/2002 T7 (LINEAR) through ground-based observations of the OH A [SUP]2[/SUP]Σ[SUP]+[/SUP] - X [SUP]2 ... [more ▼]

The [SUP]16[/SUP]OH/[SUP]18[/SUP]OH and OD/OH isotope ratios are measured in the Oort-Cloud comet C/2002 T7 (LINEAR) through ground-based observations of the OH A [SUP]2[/SUP]Σ[SUP]+[/SUP] - X [SUP]2[/SUP]Π[SUB]i[/SUB] ultraviolet bands at 3063 à (0, 0) and 3121 à (1, 1) obtained with the Very Large Telescope (VLT) feeding the Ultraviolet-Visual Echelle Spectrograph (UVES). From the [SUP]16[/SUP]OH/[SUP]18[/SUP]OH ratio, we find [SUP]16[/SUP]O/[SUP]18[/SUP]O = 425 ± 55, equal within the uncertainties to the terrestrial value and to the ratio measured in other comets, although marginally smaller. We also estimate OD/OH from which we derive D/H = 2.5 ± 0.7à 10[SUP]-4[/SUP] in water. This value is compatible with the water D/H ratios evaluated in other comets and is marginally higher than the terrestrial value. Based on observations collected at the European Southern Observatory, Paranal, Chile (ESO Programme 073.C-0525). [less ▲]

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See detailL'astronomie dans le monde
Manfroid, Jean ULg

Article for general public (2008)

Vallées martiennes; La calotte polaire de Mars; Arcs de Saturne; Neige martienne; Encelade; Jupiter; Un nom pour une nouvelle planète pygmée; Disque protoplanétaire; KBO; Photo d'une exoplanète; NGC1275 ... [more ▼]

Vallées martiennes; La calotte polaire de Mars; Arcs de Saturne; Neige martienne; Encelade; Jupiter; Un nom pour une nouvelle planète pygmée; Disque protoplanétaire; KBO; Photo d'une exoplanète; NGC1275; Choc des mondes; Galaxie magnétique; Abell 1689; Sursaut gamma record; Au bord d'un trou noir; GRB visible à  l'oeil nu; Cas A; Taches sur Canopus; LHC : c'est parti; Soleil; Hubble trouve un astre étrange; [less ▲]

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See detailUpdate on the treatment of pituitary adenomas: familial and genetic considerations.
Daly, Adrian ULg; Beckers, Albert ULg

in Acta Clinica Belgica (2008), 63(6), 418-424

Clinically-relevant pituitary adenomas occur with a prevalence of approximately 1 per 1000 population in Belgium. Pituitary adenomas that occur in families are likely to have an important genetic ... [more ▼]

Clinically-relevant pituitary adenomas occur with a prevalence of approximately 1 per 1000 population in Belgium. Pituitary adenomas that occur in families are likely to have an important genetic pathophysiological basis. Currently about 5% of all pituitary adenoma cases have a family history of pituitary adenomas, classically due to multiple endocrine neoplasia type 1 (MEN1) and Carney complex (CNC). Over the last decade we have described non-MEN1/CNC familial pituitary tumours that include all tumour phenotypes, a condition named 'familial isolated pituitary adenoma' (FIPA). Clinical features of FIPA differ from those of sporadic pituitary adenomas in that patients with FIPA are often younger and have larger tumours at diagnosis. Approximately 15% of FIPA patients have mutations in the aryl hydrocarbon receptor interacting protein gene (AIP), which indicates that FIPA may have a diverse genetic pathophysiology. In this review we examine new findings on the epidemiology of pituitary adenomas and we review familial causes of pituitary adenomas with a particular emphasis on modern clinical testing. In addition, the clinical and genetic features of FIPA are described as FIPA represents a useful framework to study the features of pituitary adenomas that occur in a familial setting. [less ▲]

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See detailQuelques réflexions relatives aux effets, en droit, des arrêts de la Cour constitutionnelle
Behrendt, Christian ULg

in de Leval, Georges; Georges, Frédéric (Eds.) L'effet e la décision de justice : Contentieux européens, constitutionnel, civil et pénal (2008)

The article analyzes the consequences, in law, of the judgments of the Belgian constitutional court.

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See detailNew Combination Techniques in Dioxin Analysis
Focant, Jean-François ULg

in Lab Info (2008), 3

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See detailAssessing and aggregating trends in groundwater bodies. Examples of the FP VI Aquaterra-project
Broers, Hans-peter; Visser, Ate; Brouyère, Serge ULg et al

in EU Groundwater Policy Development - Good Status Objectives and Integrated management planning (2008, November)

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See detailImplantation d'acide hyaluronique estérifié lors de la microchirurgie des lésions cordales bénignes
FINCK, Camille ULg

Doctoral thesis (2008)

La microchirurgie des pathologies cordales bénignes est pratiquée afin d’améliorer les caractéristiques mécaniques du vibrateur laryngé. C’est en augmentant la souplesse tissulaire et la fermeture ... [more ▼]

La microchirurgie des pathologies cordales bénignes est pratiquée afin d’améliorer les caractéristiques mécaniques du vibrateur laryngé. C’est en augmentant la souplesse tissulaire et la fermeture glottique en phonation que le micro-chirurgien espère améliorer les caractéristiques du son laryngé émis. Les techniques microchirurgicales ont évolué de manière spectaculaire au cours des 20 dernières années grâce à la connaissance de plus en plus approfondie de la structure cordale normale et surtout de son tissu conjonctif : la lamina propria. C’est la partie la plus superficielle de la lamina propria, l’espace de Reinke, qui joue le rôle le plus important dans la production du son. C’est aussi l’espace de Reinke qui est occupé, détruit ou remanié en cas de pathologie cordale bénigne. La microchirurgie vise à le libérer du processus pathologique. L’originalité des techniques microchirurgicales exposées dans ce travail est de tenter, non seulement de libérer l’espace vibrant de la lésion cordale, mais aussi de modifier les processus cicatriciels post-opératoires par l’utilisation d’un implant résorbable d’acide hyaluronique estérifié. Les objectifs de ce travail sont : - de contribuer à la connaissance des résultats fonctionnels laryngés et vocaux observés après une microchirurgie cordale - d’évaluer l’impact fonctionnel, sur ces résultats, de l’utilisation d’un implant résorbable d’acide hyaluronique estérifié, en fin d’intervention chirurgicale. [less ▲]

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See detailDefect growth in model panel paintings by full field interferometry
Kouloumpi, E.; Moutsatsou, A.; Torres, L. et al

Conference (2008, November)

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See detailInterférométrie holographique photoréfractive : nouveaux développements et applications récentes
Thizy, Cédric ULg; Georges, Marc ULg; Hustinx, Guy-Michel et al

Conference (2008, November)

Les cristaux photoréfractifs permettent l'enregistrement holographique dynamique in-situ et une réutilisabilité infinie. Aussi ils possèdent des propriétés spécifiques que d'autres matériaux ... [more ▼]

Les cristaux photoréfractifs permettent l'enregistrement holographique dynamique in-situ et une réutilisabilité infinie. Aussi ils possèdent des propriétés spécifiques que d'autres matériaux holographiques n'ont pas et qui peuvent être utilisées de manière avantageuse en interférométrie holographique. Depuis 15 ans, le CSL développe des techniques d'interférométrie holographique et des instruments basés sur des cristaux de Bi12SiO20 (BSO). Le comportement dynamique de ces derniers permet une grande souplesse d'utilisation de l'interférométrie holographique, à l'instar des techniques basées sur l'enregistrement numérique, tout en fournissant des interférogrammes de meilleure résolution que celles-ci (pas de bruit de speckle, pas de filtrage nécessaire). Par le passé, nous avons déjà présenté une large gamme d'applications en métrologie, contrôle non destructif et mesures vibratoires. Ici nous présentons des applications industrielles récentes obtenue avec une caméra holographique photoréfractive commercialisée. Cette dernière a été utilisée avec succès dans des applications très demandeuses, notamment en terme de résolution. [less ▲]

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See detailEtude de la technique LIBS en vue du tri des vitrocéramiques dans les déchets verriers
Georges, Marc ULg; Carapelle, Alain ULg; Mombaerts, Johan et al

Conference (2008, November)

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See detailCoherent metrology in impact assessment of movable artwork: the MULTIENCODE project
Tornari, V.; Bernikola, E.; Osten, W. et al

Conference (2008, November)

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See detailModelling of forming using Metafor – a large strains FE software
Boman, Romain ULg

Scientific conference (2008, November)

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See detailStructure and evolution of a main segment boundary along the East Anatolian fault, Turkey 2008
Garcia-Moreno, D.; Hubert, Aurelia ULg; Moernaut, J et al

Conference (2008, November)

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See detailSeismic patterns of the Anatolian fault system (Turkey)
Hubert, Aurelia ULg; Fraser, J.; Boes, X et al

Conference (2008, November)

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See detailControlled release of drugs from multi-component biomaterials
Zalfen, Alina ULg; Nizet, D.; Jérôme, Christine ULg et al

in Acta Biomaterialia (2008), 4(6), 1788-1796

In order to control their release, drugs are encapsulated into systems which are expected to provide a certain site with a predetermined amount of drug over a well-defined period of time. Here we report ... [more ▼]

In order to control their release, drugs are encapsulated into systems which are expected to provide a certain site with a predetermined amount of drug over a well-defined period of time. Here we report on a multi-component drug delivery biomaterial that consists of a hydrogel matrix in which drug-loaded biodegradable microcarriers are dispersed, and whose potential applications could be found in the design of implantable devices with long-term activity, as required by contraceptive and hormone replacement treatments. The release profile of the drug can actually be tuned by the complex interplay of several release mechanisms, including the permeability and eventually the degradation rate of the microcarriers and the diffusion through the hydrogel. The hydrogel consisted of 2-hydroxyethyl methacrylate cross-linked by ethylene glycol dimethacrylate. The microcarriers were biodegradable poly-ε-caprolactone (PCL) microspheres in which active molecules, such as levonorgestrel (LNG), were encapsulated. The hydrogels were characterized by water swelling, thermal properties, LNG diffusion through drug-free and drug-depleted hydrogel membranes and LNG release from devices with drug dispersed in the hydrogel. The PCL microspheres were observed by scanning electron microscopy; their size distribution, LNG loading and release were also investigated. The hydrogel-microsphere assemblies were characterized in terms of the distribution of the microspheres within the hydrogel, water swelling and the release of the encapsulated molecules. The developed device, due to its composite structure, has the ability to combine several release mechanisms, leading to drug release obeying zero-order kinetics for most of the time. [less ▲]

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See detailPESTEAUX: A project for building GIS-based tool for the assessment of water pollution risks at local scale due to pesticides.
Bah, Boubacar Billo ULg; Noël, Stéphanie; Buffet, Dominique et al

in Huyghebaert, Bruno; Lorencowicz, Edmund; Uziak, Jacek (Eds.) Farm machinery and process management in sustainable agriculture, III International Scientific Symposium, Gembloux, Belgium, 12-13 November 2008, Tome 2 (2008, November)

Diffuse pollution of water resources due to pesticides uses is a major environmental issue in the European Union, regulated by specific legislations: the Water Framework Directive (Directive 2000/60/EC ... [more ▼]

Diffuse pollution of water resources due to pesticides uses is a major environmental issue in the European Union, regulated by specific legislations: the Water Framework Directive (Directive 2000/60/EC) and the Thematic Strategy on the Sustainable Use of Pesticides. Solving this environmental problem requires methods and tools for spatial risk analysis, notably at a local scale (agricultural parcel level). This paper presents the first developments of a decision support system aiming to assess surface and ground waters pollution risks due to pesticides uses, based on a Geographic Information System (GIS). Different factors affecting pesticide environmental propagation are taken into account, as for example land use, pesticides properties and application modalities, environment characteristics (soil properties, topography, climate, …) as well as surface and ground waters characteristics. A pesticide emission model is used to assess pesticide leaching or runoff to water resources. The reference scale for risks assessment is the agricultural parcel. The quality of the results obtained will be assessed by comparison with existing water monitoring data and related studies. [less ▲]

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See detailPESTEAUX : A project for building GIS-based tool for the assessment of water pollution risks at local scale due to pesticides
Bah, Boubacar Billo ULg; Noël, Stéphanie; Buffet, Dominique et al

Poster (2008, November)

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