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See detailFabrication, optical characterization and modeling of strained core-shell nanowires
Zanolli, Zeila ULg; Froberg, Linus E; Bjork, M. T. et al

in Thin Solid Films (2006), 515(2), 793-796

Strained nanowires with varying InAs/InP core/shell thicknesses were grown using Chemical Beam Epitaxy. Microphotoluminescence spectroscopy, performed at low temperature, was then used to study the ... [more ▼]

Strained nanowires with varying InAs/InP core/shell thicknesses were grown using Chemical Beam Epitaxy. Microphotoluminescence spectroscopy, performed at low temperature, was then used to study the optical properties of single wires. Emission from the InAs core was observed and its dependence on the shell thickness / core diameter ratio was investigated. We found that it is possible to tune the emission energy towards 0.8 eV by controlling this ratio. We have compared the measured energies with calculated energies. Our findings are consistent with the wires having a hexagonal crystal structure. [less ▲]

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See detailChagar Bazar (Syrie) I:Les sondages préhistoriques (1999-2001)
Tunca, Önhan ULg; Baghdo, Abd el-Massih

Book (2006)

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See detailSkin capacitance imaging for the dermatologists
Pierard, Gérald ULg

in European Dermatology Review (2006), 1

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See detailEpicuticular Factors Involved In Host Recognition For The Aphid Parasitoid Aphidius Rhopalosiphi
Muratori, Frédéric; Le Ralec, Anne; Lognay, Georges ULg et al

in Journal of Chemical Ecology (2006), 32(3), 579-593

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See detailMurine gammaherpesvirus-68 glycoprotein H-glycoprotein L complex is a major target for neutralizing monoclonal antibodies.
Gill, Michael B.; Gillet, Laurent ULg; Colaco, Susanna et al

in Journal of General Virology (The) (2006), 87(Pt 6), 1465-75

Herpesviruses characteristically persist in immune hosts as latent genomes, but to transmit infection they must reactivate and replicate lytically. The interaction between newly formed virions and pre ... [more ▼]

Herpesviruses characteristically persist in immune hosts as latent genomes, but to transmit infection they must reactivate and replicate lytically. The interaction between newly formed virions and pre-existing antibody is therefore likely to be a crucial determinant of viral fitness. Murine gammaherpesvirus-68 (MHV-68) behaves as a natural pathogen of conventional, inbred mice and consequently allows such interactions to be analysed experimentally in a relatively realistic setting. Here, monoclonal antibodies (mAbs) were derived from MHV-68-infected mice and all those recognizing infected-cell surfaces were tested for their capacity to neutralize MHV-68 virions. All of the neutralizing mAbs identified were specific for the viral glycoprotein H (gH)-gL heterodimer and required both gH and gL to reproduce their cognate epitopes. Based on antibody interference, there appeared to be two major neutralization epitopes on gH-gL. Analysis of a representative mAb indicated that it blocked infection at a post-binding step--either virion endocytosis or membrane fusion. [less ▲]

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See detailUn modèle de document simple de gestion (DSG) applicable en propriété forestière privée wallonne
Jandrain, S.; Puissant, T.; Colson, Vincent ULg et al

Book (2006)

Most of the private forest owners don’t use a management plan especially in the case of woodlands scaterred in small compartments. Furthermore they generally miss documents compiling updated descriptive ... [more ▼]

Most of the private forest owners don’t use a management plan especially in the case of woodlands scaterred in small compartments. Furthermore they generally miss documents compiling updated descriptive information dealing with administrative data, stand and structure composition, ownership location, planning and control of silvicultural operations. A similar situation is observed as concerns maps and cartographic elements. The main objective of this paper is to present a simple information system based upon data easy to collect and suitable for a great number of forest properties whatever their sizes are. Informations from the forest are collected at the compartment’s level (planning unit defined by permanent boundaries) and are registered in a computerized data base so that any owner can make continuing use of information such as various repartitions (areas and species by age, by structure,..), digitized thematic maps (stand, soil, silvicultural operations,..). Such a system provided in option can be considered as a pragmatic decision support whose one of the main objectives is to assure the follow-up of compartments years after years. To support it, the setting up of a structure at a regional level should be very useful to the forest managers and also a way to better assist the private forest ownership in the frame of a regional forest policy taking attention to the general recommendations of sustainable management. [less ▲]

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See detailChapitre 5 : Perceptions des dispositifs et pratiques d’intégration en Région wallonne par les réfugiés et demandeurs d’asile recevables et positions d’opérateurs d’intégration
Gsir, Sonia ULg

in Kagné, Bonaventure (Ed.) Pratiques d’intégration des réfugiés et des demandeurs d’asile en Région wallonne (2006)

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See detailDroplet Size Spectra And Drift Effect Of Two Phenmedipham Formulations And Four Adjuvants Mixtures
Stainier, C.; Destain, Marie-France ULg; Schiffers, Bruno ULg et al

in Crop Protection (2006), 25(12),

Relative drift potential was evaluated for three types of hydraulic nozzles (a flat-fan nozzle, a hollow cone nozzle and an air induction nozzle) spraying different liquids: water, emulsifiable ... [more ▼]

Relative drift potential was evaluated for three types of hydraulic nozzles (a flat-fan nozzle, a hollow cone nozzle and an air induction nozzle) spraying different liquids: water, emulsifiable concentrate (EC) and suspension concentrate (SC) formulations of phenmedipham dispersed in water, with or without addition of 4 different tank-mix adjuvants. The droplet size spectra were measured for these 15 spray mixtures using a Malvern Particle Sizer and characterised by the Volume Median Diameter (VMD) and the percentage of liquid contained in droplets less than 100 m (% < 100 m). Horizontal ground drift was measured in a wind tunnel, on glass fibre collectors using a fluorescent tracer dye technique. The relative drift of each spray mixture was characterised by the Drifted Part (DP) which is the part of the sprayed volume drifted between 2 and 6 metres. Although the nozzle type was the predominating parameter regarding to the droplet size spectra and the DP, differences were observed due to the liquids characteristics. The EC formulation produced a smaller droplet size and a greater DP than the SC formulation whatever the tank mix adjuvant used. For the different spray mixtures, the DP was poorly correlated to the VMD or the % < 100 m. However, correlations between the VMD, the % < 100 m and the DP of the flat-fan nozzle and of the hollow cone nozzle were significant. This suggests that a reference nozzle could be used to estimate the drift potential of other nozzle with a similar liquid sheet break-up mechanism. [less ▲]

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See detailEnfants a haut potentiel: attitude du medecin traitant
Vanmeerbeek, Marc ULg; Van Onckelen, Stephanie; Bouüaert, Corine ULg et al

in Presse Médicale (2006), 35(1 Pt 2), 86-90

Gifted children account for about 2% of the population but are not always identified. Nonsynchronous intellectual, biological and affective development may cause problems and disrupt relationships at home ... [more ▼]

Gifted children account for about 2% of the population but are not always identified. Nonsynchronous intellectual, biological and affective development may cause problems and disrupt relationships at home and in school. GP's are consulted for mood or behavior disorders or somatization. If maladjustment at school appears to be related to mood or behavior disorders, a complete psychological assessment is essential. It is especially important to rule out the differential diagnosis of ADHD because of the differences in treatment. A substantial portion of management depends on teachers and the overall school environment. GP's are involved in long-term support of children and families, and in treatment of related disorders: depression, anxiety, sleep disorders, and somatization. Drug therapy has a very limited role in treatment of related disorders. [less ▲]

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See detailNormal and aberrant biological self-assembly: Insights from studies of human lysozyme and its amyloidogenic variants
Dumoulin, Mireille ULg; Kumita, Janet; Dobson, Christopher M

in Accounts of Chemical Research (2006), 39

Studies of lysozyme have played a major role over several decades in defining the general principles underlying protein structure, folding, and stability. Following the discovery some 10 years ago that ... [more ▼]

Studies of lysozyme have played a major role over several decades in defining the general principles underlying protein structure, folding, and stability. Following the discovery some 10 years ago that two mutational variants of lysozyme are associated with systemic amyloidosis, these studies have been extended to investigate the mechanism of amyloid fibril formation. This Account describes our present knowledge of lysozyme folding and misfolding, and how the latter can give rise to amyloid disease. It also discusses the significance of these studies for our general understanding of normal and aberrant protein folding in the context of human health and disease. [less ▲]

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See detail'Do plant species and climate warming influence nitrification and ammonia oxidiser community structure
Malchair, Sandrine ULg; Carnol, Monique ULg

in 11th International symposium on microbial ecology (ISME-11) 'The Hidden Powers – Microbial Communities in Action', Vienna, Austria, August 20-25, 2006, Book of Abstracts (2006)

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See detailDe tragiek van het dagelijks leven. De jonge Herman de Coninck als 'gematigd' nieuwrealist
Spinoy, Erik ULg

in Roland, H.; Fabry, G. (Eds.) Les frontières du réalisme dans la littérature narrative du 20e siècle/ The Borders of Realism in 20th Century Narrative Literature (2006)

This article investigates the way in which the Flemish poet Herman de Coninck negotiated his position as a new realist. By presenting himself as a moderate, he was able to maintain and defend his personal ... [more ▼]

This article investigates the way in which the Flemish poet Herman de Coninck negotiated his position as a new realist. By presenting himself as a moderate, he was able to maintain and defend his personal views of literature and to present himself to the public as an acceptable representative of the newest generation, whilst riding on the ephemeral wave success enjoyed by new realism in the early 1970s. [less ▲]

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See detailApplication Of The Hough Transform For Seed Row Localisation Using Machine Vision
Leemans, Vincent ULg; Destain, Marie-France ULg

in Biosystems Engineering (2006), 94(3),

This paper compares two methods based on machine vision to provide driver assistance in seed drill guidance in order to improve spacing accuracy during contiguous passages. The first case consisted of ... [more ▼]

This paper compares two methods based on machine vision to provide driver assistance in seed drill guidance in order to improve spacing accuracy during contiguous passages. The first case consisted of following the furrow created at the preceding passage by a special marker disc attached to the seed drill. A camera was located on the tractor and detected this furrow. In the second case, the seed rows themselves were detected by the camera without making use of the marker disc. In both cases, several video sequences were acquired in various situations, including different soil textures and various illumination conditions (375 sequences were acquired during three years). A pre-treatment of these sequences was performed and included a background subtraction in order to remove shadows and other wide unevenness. In the first case, the best results were obtained by using an image treatment based on the Hough transform coupled to a recursive filter. The search of the maximum of the Hough transform was performed using a mean shift algorithm. In the second case, where several parallel rows were simultaneously present on the images, an adapted Hough transform was proposed which took into account the a priori knowledge of the rows spacing. The trueness and precision in row detection were superior in the second case. The results are compatible with the application, since the trueness was smaller than 30 mm. This suggested that it can be possible to assist the manual guidance of a seed drill by an automatic system consisting in a camera detecting the seed rows. [less ▲]

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See detailQTL and candidate genes for fecundity in sows
Buske, Bernd ULg; Sternstein, Ina; Brockmann, Gudrun

in Animal Reproduction Science (2006), 95(3), 167-183

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