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See detailStray light analysis and optimization of the ASPIICS/PROBA-3 Formation Flying solar coronagraph
Mazzoli, Alexandra ULg; Landini, Federico; Vivès, Sébastien et al

in SPIE, Space Telescopes and Instrumentation 2010 : Optical, Infrared and Millimeter Wave (San Diego, 27 juin-2 juillet) (2010)

PROBA-3 is a technology mission devoted to the in-orbit demonstration of formation flying techniques and technologies. PROBA-3 will implement a giant coronagraph (called ASPIICS) that will both demonstrate ... [more ▼]

PROBA-3 is a technology mission devoted to the in-orbit demonstration of formation flying techniques and technologies. PROBA-3 will implement a giant coronagraph (called ASPIICS) that will both demonstrate and exploit the capabilities and performances of formation flying. ASPIICS is distributed on two spacecrafts separated by 150m, one hosting the external occulting disk and the other the optical part of the coronagraph. This part implements a three-mirror-anastigmat (TMA) telescope. Its pupil is placed about 800mm in front of the primary mirror, a solution allowing an efficient baffling and a high reduction of the stray light inside the instrument. A complete stray light analysis of the TMA has been carried out to design the baffles and to establish the required roughness of the mirrors. The analysis has been performed in two steps: first, by calculating the diffraction pattern behind the occulter due to an extended monochromatic source having the diameter of the Sun; second, by propagating this diffraction pattern, through all the telescope optical components, to the prime focal plane. The results obtained are described in this article. [less ▲]

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See detailThe role of first-line hospitals: needs and challenges in changing environment.
Porignon, Denis ULg; Holder, Renato

Conference (2010)

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See detailPotential estimation of titratable acidity in cow milk using mid-infrared spectrometry
Colinet, Frédéric ULg; Soyeurt, Hélène ULg; Anceau, Christine ULg et al

in ICAR Technical Series (2010), 14

Milk coagulation has a direct effect on cheese yield. Several factors influence the milk coagulation kinetics. In addition to calcium and milk protein concentrations, titratable acidity influences all the ... [more ▼]

Milk coagulation has a direct effect on cheese yield. Several factors influence the milk coagulation kinetics. In addition to calcium and milk protein concentrations, titratable acidity influences all the phases of milk coagulation. The objective of this research was to study the feasibility of prediction of titratable acidity directly in bovine milk using mid-infrared spectrometry. In order to maximize the variability in the measurements of titratable acidity, milk samples were collected on basis of several criteria (e.g. breeds). The titratable acidity was recorded as Dornic degree. All samples were also analyzed by MIR spectrometry. Using partial least squares regressions and first derivative pretreatment of spectral data, a calibration equation was built to predict the Dornic degree in cow milk. First results were promising and showed the potentiality to this calibration. The calibration and cross-validation coefficients of determination were 92.25 and 89.88 %, respectively. Moreover, the ratio of standard error of prediction to standard deviation was 3.13 and permits us to consider the calibration equation as usable in most application such as scientific researches and the screening of the Walloon dairy herd particularly in order to improve the milk coagulation properties. [less ▲]

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See detailUse of multi-angle high-resolution imagery and 3D information for urban land-cover classification: a case study on Istanbul
Binard, Marc ULg; Tack, Frederik; Van de Voorde, Tim et al

in Joint SIG Workshop Urban - 3D - Radar - Thermal Remote Sensing and Developing Countries - Ghent, 22-24 September 2010 Book of Proceedings EUROPEAN ASSOCIATION OF REMOTE SENSING LABORATORIES (2010)

The BELSPO-MAMUD project focuses on the use of remote sensing data for measuring and modelling urban dynamics. Remote sensing is a wonderful tool to produce long time-series of sealed surface maps, which ... [more ▼]

The BELSPO-MAMUD project focuses on the use of remote sensing data for measuring and modelling urban dynamics. Remote sensing is a wonderful tool to produce long time-series of sealed surface maps, which are useful for this purpose. In the urban context of Istanbul, a very dynamic city, recent high resolution satellite images and medium resolution images from the past have been exploited to calibrate and validate a regression-based sub-pixel classification method allowing this production. Image classification in an urban context is a tricky task for several reasons: prominent occurrence of shadowed and occluded areas and urban canyons, spectral confusions between urban and non-urban materials at ground and roof levels, moderately hilly relief ... To cope with these difficulties the combined use of three types of data may be helpful: diachronic (vii), multi-angle and 3D data. A master multispectral and panchromatic QuickBird image and a panchromatic Ikonos stereopair, all acquired in March 2002, were used in combination with a multispectral and panchromatic Ikonos image of May 2005. A DSM was generated from the Ikonos stereopair and building vector file. It was used for orthorectification, building height estimation and classification. The area covered by the high resolution products was divided in 3 parts and each was classified independently. This application demonstrates that a recent high resolution land-cover classification produced using multi-date, multi-angle and DSM can be used to produce sealed surface maps from longer time-series of medium resolution images over large urban areas, thus enabling the analysis of urban dynamics. [less ▲]

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See detailPas panpan cucul papa ! Les châtiments corporels et le droit applicable en Belgique
Fierens, Jacques ULg

in Journal du Droit des Jeunes (2010), 300

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See detailLa prise en compte du tiers virtuel par le droit belge
Fierens, Jacques ULg

in Marquet, J.; Janssen, Ch. (Eds.) @mours virtuelles. Conjugalité et internet (2010)

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See detailLes chasse-coquins. Mendicité et répression
Fierens, Jacques ULg

in Journal du Droit des Jeunes (2010), 291

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See detailLes droits sociaux. Synthèse des travaux en atelier
Fierens, Jacques ULg

in Carlier, Jean-Yves (Ed.) L'étranger face au droit. XXes Journées juridiques Jean Dabin (2010)

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See detailBorne FI – CI : une énigme désormais résolue
Nekrassoff, Serge ULg

in Hautes Fagnes (2010), (1), 28-30

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See detailVoyage en terre méconnue : l’Au(s)tralie de Murray Bail
Herbillon, Marie ULg

Article for general public (2010)

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See detailQuantitative trait mutations in cattle, sheep and pigs: A review
Stinckens, A.; Schroyen, Martine ULg; Peeters, L. et al

in CAB Reviews: Perspectives in Agriculture, Veterinary Science, Nutrition and Natural Resources (2010), 5

Most economically important traits in farm animals, such as daily gain, muscularity, meat quality, milk production, reproduction and others, are complex multifactorial traits that are controlled by an ... [more ▼]

Most economically important traits in farm animals, such as daily gain, muscularity, meat quality, milk production, reproduction and others, are complex multifactorial traits that are controlled by an unknown number of genes combined with environmental factors. Since these traits show a continuous distribution rather than discrete values as monogenic or qualitative traits do, they are called quantitative traits and a polymorphism that affects such a quantitative trait is called a quantitative trait mutation (QTM). During the last few decades, several QTMs for different economically important quantitative traits in farm animals, such as muscularity, meat quality and milk production, were discovered. Also, for various congenital disorders, causal polymorphisms could be found or are under investigation. However, for other quantitative traits, no such QTMs have been revealed so far. An explanation for this discrepancy lies in the extent of the effect of the different polymorphisms that underlie a certain quantitative trait since this effect can vary from very small to quite large (up to 25-30% of the total phenotypic variance of a particular trait). Although new, emerging cost-effective genome-wide single-nucleotide polymorphism (SNP) genotyping techniques have become available, only QTMs that explain a large portion of the phenotypic variation are worth unravelling, especially in the light of genome-wide selection. In this review, the research for QTMs is positioned against these contemporary techniques. Moreover, an overview is given of, past and present, research efforts in identifying QTMs in farm animals and the incorporation of these polymorphisms in modern animal breeding. © CAB International 2009 (Online ISSN 1749-8848). [less ▲]

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See detailGenetic diversity in the belgian draught horse breed as revealed by pedigree analysis and molecular marker data
Janssens, S.; Stinckens, A.; Schroyen, Martine ULg et al

in Animal Genetics (2010), 41(SUPPL. 2), 205-206

[No abstract available]

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See detailThe effects of plant polyphenols on enterotoxigenic Escherichia coli adhesion and toxin binding
Verhelst, R.; Schroyen, Martine ULg; Buys, N. et al

in Livestock Science (2010), 133(1-3), 101-103

Pigs frequently encounter bacterial infections like enterotoxigenic Escherichia coli (ETEC). Due to rising concerns about antibiotic resistance of bacteria, there is a large demand for natural ... [more ▼]

Pigs frequently encounter bacterial infections like enterotoxigenic Escherichia coli (ETEC). Due to rising concerns about antibiotic resistance of bacteria, there is a large demand for natural alternatives to combat these ETEC infections. Plant polyphenols have been suggested to reduce both the binding of cholera toxin to the GM1 ganglioside and the adhesion of uropathogenic E. coli to F1 fimbriae. In this study different commercial natural polyphenol extracts were evaluated for their possible effect on ETEC. Out of the three polyphenol extracts tested two exert inhibitory effects on the heat-labile toxin binding and all three extracts reduced the binding of ETEC to brush borders. The presence of protein abolished labile toxin binding properties of polyphenols. This makes it unlikely that these polyphenols could be used as an actual feed additive to combat ETEC caused diarrhea. © 2010 Elsevier B.V. [less ▲]

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See detailFlourishing Aphrodite: an overview in recent scholarship
Pirenne-Delforge, Vinciane ULg

in Smith, Amy; Pickup, Sadie (Eds.) Companion to Aphrodite (2010)

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See detailReading Pausanias: Cults of the Gods and Representation of the Divine
Pirenne-Delforge, Vinciane ULg

in Bremmer, Jan N.; Erskine, Andrew (Eds.) The Gods of Ancient Greece: Identities and Transformations (2010)

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See detailEtude de la pression artérielle, rigidité artérielle et neuropathie autonome cardiovasculaire chez les patients diabétiques de type 1
Philips, Jean-Christophe ULg; Xhignesse, Patricia ULg; Marchand, Monique ULg et al

in Vaisseaux, Coeur, Poumons (2010), 15(3), 70-73

Nous avons récemment eu l'honneur de recevoir l'Hypertension Young Investigator Award 2009 adressé par le Comité belge de Lutte contre l'Hypertension et soutenu par la fondation Astra Zeneca. Notre projet ... [more ▼]

Nous avons récemment eu l'honneur de recevoir l'Hypertension Young Investigator Award 2009 adressé par le Comité belge de Lutte contre l'Hypertension et soutenu par la fondation Astra Zeneca. Notre projet propose d'étudier différents indices cardiovasculaires au sein d'une population constituée de patients diabétiques de type 1. L'étude de la pression artérielle, estimée par différentes méthodes, ainsi que l'estimation de la rigidité artérielle chez ces patients pourraient être utiles afin d'apprécier le statut cardiovasculaire chez ces patients à haut risque. Notre service possède une certaine expérience dans la recherche et l'estimation de la neuropathie autonome cardiovasculaire (NAC) chez les patients diabétiques de type 1. Cette complication du diabète est associée à une morbi-mortalité d'origine cardiovasculaire accrue. Nous allons proposer une batterie de tests classiquement effectués dans le cadre de la recherche d'une NAC (en utilisant la technique du Finapress°). Ceux-ci seront combinés à d'autres explorations réalisées par nos confrères néphrologues (mesure ambulatoire de 24 heures de la pression artéielle ou MAPA et Sphygmocor°). Tous ces examens ont l'avantage d'être non-invasifs et peuvent être réalisés en routine clinique. Le recrutement de cette étude devrait permettre d'inclure une soixantaine de patients diabétiques de type 1 âgés de 20 à 50 ans et dont la durée de diabète varie entre 10 et 30 années. Cette population sera comparée à une cohorte de sujet sains apariés pour l'âge, l'indice de masse corporelle et le sexe. Plusieurs mesures sont effectuées et certains indices pourront être calculés après la réalisation des différents examens. Une comparaison entre les deux cohortes (diabétiques versus non-diabétiques) sera effectuée. L'évolution de certains paramètres au sein de la population diabétique sera aussi analysée (en fonction de l'âge et la durée du diabète par exemple). [less ▲]

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See detailLand conversion to industrialization and its impacts on household food security in Red River Delta, Vietnam
Nguyen Thi, Dien; Lebailly, Philippe ULg; Vu Dinh, Ton

Conference (2010)

Since 1990s Vietnam is undergoing rapid industrialization with the national goal of becoming an industrial country. As a result, large tracts of agricultural land were conversed to industrial zones and ... [more ▼]

Since 1990s Vietnam is undergoing rapid industrialization with the national goal of becoming an industrial country. As a result, large tracts of agricultural land were conversed to industrial zones and clusters. This paper analyzes the complex impacts caused by industrialization on household food security. Both qualitative and quantitative methods were applied to investigate how land conversion process to industrial companies affected food security of different groups of peasant households in Hung Yen province, the most rapid industrialization province in Red River Delta of Vietnam. The study showed that industrialization and neo-liberalism affected household food security in three aspects: the lost of large agricultural land area which did not ensure stable jobs for peasants; the decline of living quality as a result of environmental pollution and high living costs; and the lost of household self reliance on food, with 77 percent of surveyed households not producing enough food for their own consumption. Industrialization had created a new class structure in the Vietnamese countryside with the rise of landless peasants who survived by selling their labor and who are net food buyers. The study contributes to the research that link the analysis of household food security with livelihood systems in the processes interacting across scales, from the very local to the global. [less ▲]

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