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See detailL'astronomie dans le monde
Manfroid, Jean ULg

Article for general public (2006)

Cycle solaire; Voyager 1; Geysers aux pôles martiens; Planètes extrasolaires; Systèmes planétaires en formation; Spirales de poussière; NGC 6397; Protogalaxies lointaines; Deutérium; Economie cosmique ... [more ▼]

Cycle solaire; Voyager 1; Geysers aux pôles martiens; Planètes extrasolaires; Systèmes planétaires en formation; Spirales de poussière; NGC 6397; Protogalaxies lointaines; Deutérium; Economie cosmique; AKARI; Travaux inutiles (les avatars du mot planète) [less ▲]

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See detailIncorporation in bread of dietary fibres from by-products of the agro-transformations.
Roiseux, Olivier; Blecker, Christophe ULg; Vandebeke, E. et al

Poster (2006, October)

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See detailPhysicochemical characterization of a dietary fibre concentrate extracted from date pulp.
Roiseux, Olivier; Blecker, Christophe ULg; Besbes, Souhail et al

Poster (2006, October)

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See detailMelting and polymorphic behavior of binary blends made of palm oil or its fractions and other fats.
Danthine, Sabine ULg; deroanne, claude

Poster (2006, October)

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See detailImmunoquantitative real-time PCR for detection and quantification of Staphylococcus aureus enterotoxin B in foods
Rajkovic, A.; Elmoualij, Benaïssa ULg; Uyttendaele, M. et al

in Applied and Environmental Microbiology (2006), 72(10), 6593-6599

A real-time immunoquantitative PCR (iqPCR) method for detection of Staphylococcus aureus enterotoxin B (SEB) was developed and evaluated using both pure cultures and foods. The assay consisted of ... [more ▼]

A real-time immunoquantitative PCR (iqPCR) method for detection of Staphylococcus aureus enterotoxin B (SEB) was developed and evaluated using both pure cultures and foods. The assay consisted of immunocapture of SEB and real-time PCR amplification of the DNA probe linked to the detection antibody. iqPCR was compared to an in-house enzyme-linked immunosorbent assay (ELISA) using the same couple of capture-detection antibodies and to commercial kits for detection of S. aureus enterotoxins (SE). The iqPCR was approximately 1,000 times more sensitive (< 10 pg ml(-1)) than the in-house ELISA and had a dynamic range of approximately 10 pg ml(-1) to approximately 30,000 pg ml(-1). iqPCR was not inhibited by any of the foods tested and was able to detect SEB present in these foods. No cross-reactivity with SE other than SEB was observed. Application of iqPCR for detection of SEB in cultures of S. aureus revealed the onset of SEB production after 4 It of incubation at 22, 37, and 42 degrees C, which was in the first half of the exponential growth phase. The total amounts of SEB produced by the two strains tested were larger at 42 degrees C than at 37 degrees C and were strain dependent. [less ▲]

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See detailSeconde campagne de mesure des odeurs sur le CET de Hallembaye Estimation des nuisances olfactives – Etude de l'influence du relief sur la propagation des odeurs.
Nicolas, Jacques ULg; Denne; Hanson, Alain ULg

Report (2006)

The study is conducted in the frame of a programme of monitoring of all landfill sites in Wallonia. The "odour" part is assigned to ULg. The present report concerns more particularly a second campaign on ... [more ▼]

The study is conducted in the frame of a programme of monitoring of all landfill sites in Wallonia. The "odour" part is assigned to ULg. The present report concerns more particularly a second campaign on the site of Hallembaye. The research group applied the usual field inspection technique to assess the global odour emission rate generated by the site. The influence of relief is particularly discussed with the results of 3D modelling. [less ▲]

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See detailHypersensitivity to Electricity: The effect of the current waveform on the perception level
Mattivi, Brice; Beauvois, Véronique ULg; Dular, Patrick ULg et al

in Proceedings of the 4th Int Workshop on Biological Effects of Electromagnetic Fields (2006, October)

Hypersensitivity to electricity has been reported many times in the literature. From another point of view, numerous measurements have been performed on perception level. Even if it appears that part of ... [more ▼]

Hypersensitivity to electricity has been reported many times in the literature. From another point of view, numerous measurements have been performed on perception level. Even if it appears that part of the population has a lower perception level of current, there is no clear link with the so called “hypersensitivity to electricity” which is more related to declared physiological disorders in part of the population (sleeping problem, headache ...). Such declared hypersensitivity is currently not yet related to any biological parameter. Our research team is currently trying to determine a relationship between hypersensitive declared people and the perception level when injecting current in the low frequency range 50-1000 Hz. We have performed current perception tests with individuals under different conditions (different wave shapes, frequencies, influence of external electric field, male and female...) using a particular protocol and our own designed system for current injection. This paper will present our test system design (current injector, wave shape converter, safety aspects) and our first results based on both sine wave (different frequencies) and wide band signal. [less ▲]

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See detailFactors that influence physicians' burnout: Impact of a communication skills training program
Bragard, Isabelle ULg; Libert, Yves; Merckaert, Isabelle et al

in Psycho-Oncology (2006, October), 15(2, Suppl. S), 183-184

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See detailEffects of vagal nerve stimulation in the rat orofacial formalin model of pain
Multon, Sylvie ULg; Scholsem, Martin; LEGRAIN, Caroline ULg et al

in Book of Abstracts of the 36th Annual Meeting Society for Neuroscience (Oct 2006) (2006, October)

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See detailExtracting high resolution records of deformation from well-imaged sections
Suppe, J; Gonzalez-Mieres, R; Hubert, Aurelia ULg

in Abstracts with Programs - Geological Society of America (2006, October), 38(7), 132

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See detailSexual experience does not compensate for the disruptive effects of zinc sulfate-lesioning of the main olfactory epithelium on sexual behavior in male mice
Keller, Matthieu ULg; Douhard, Quentin ULg; Baum, M. J. et al

in Chemical Senses (2006), 31(8), 753-762

Recent studies point to an important role for the main olfactory epithelium (MOE) in regulating sexual behavior in male mice. We asked whether sexual experience could compensate for the disruptive effects ... [more ▼]

Recent studies point to an important role for the main olfactory epithelium (MOE) in regulating sexual behavior in male mice. We asked whether sexual experience could compensate for the disruptive effects of lesioning the MOE on sexual behavior in male mice. Male mice, which were either sexually naive or experienced, received an intranasal irrigation of either a zinc sulfate solution to destroy the MOE or saline. Sexual behavior in mating tests with an estrous female was completely abolished in zinc sulfate-treated male mice regardless of whether subjects were sexually experienced or not before the treatment. Furthermore, zinc sulfate treatment clearly disrupted olfactory investigation of both volatile and nonvolatile odors. Destruction of the MOE by zinc sulfate treatment was confirmed by a significant reduction in the expression of Fos protein in the main olfactory bulb following exposure to estrous female urine. By contrast, vomeronasal function did not seem to be affected by zinc sulfate treatment: nasal application of estrous female urine induced similar levels of Fos protein in the mitral and granule cells of the accessory olfactory bulb (AOB) of zinc sulfate- and saline-treated males. Likewise, the expression of soybean agglutinin, which stains the axons of vomeronasal organ neurons projecting to the glomerular layer of the AOB, was similar in zinc sulfate- and saline-treated male mice. These results show that the main olfactory system is essential for the expression of sexual behavior in male mice and that sexual experience does not overcome the disruptive effects of MOE lesioning on this behavior. [less ▲]

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See detailChimerism and outcomes after allogeneic hematopoietic cell transplantation following nonmyeloablative conditioning
Baron, Frédéric ULg; Sandmaier, B. M.

in Leukemia (2006), 20(10), 1690-1700

Allogeneic hematopoietic cell transplantation ( HCT) following nonmyeloablative conditioning has been extensively evaluated in patients with hematologic malignancies who are ineligible for conventional ... [more ▼]

Allogeneic hematopoietic cell transplantation ( HCT) following nonmyeloablative conditioning has been extensively evaluated in patients with hematologic malignancies who are ineligible for conventional HCT because of age or medical comorbidities. Nonmyeloablative regimens have led to an initial state of mixed hematopoietic chimerism defined as coexistence of donor- and host-derived hematopoiesis. While nonmyeloablative regimens have been associated with reduced regimen-related toxicities in comparison with conventional myeloablative conditioning, graft rejection, graft-versus-host disease ( GVHD), and disease progression have remained significant challenges. In this article, after briefly introducing current techniques for chimerism assessment, we describe factors affecting donor chimerism levels after nonmyeloablative conditioning, and then review data suggesting that chimerism assessment early after HCT might help identify patients at risk for graft rejection, GVHD and relapse/progression. Finally, we discuss how these observations have opened the way to further research protocols evaluating manipulation of postgrafting immunosuppression, and/or infusion of donor immune cells. [less ▲]

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See detailNon-invasive imaging of a giant right coronary artery due to a coronary fistula
Gach, Olivier ULg; Davin, Laurent ULg; Legrand, Victor ULg

in Acta Cardiologica (2006), 61(5), 569-571

Coronary artery fistula is a relatively rare finding in patients undergoing diagnostic cardiac catheterization. Incidence, angiographic characteristics and natural history of coronary fistulas of this ... [more ▼]

Coronary artery fistula is a relatively rare finding in patients undergoing diagnostic cardiac catheterization. Incidence, angiographic characteristics and natural history of coronary fistulas of this type have not been well defined in the literature. We report a case of a 54-year-old man in whom such abnormalities have been diagnosed with invasive and non-invasive coronary imaging and review the epidemiology, treatment and prognosis of coronary fistulas. [less ▲]

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See detailImplementation of discharge management for geriatric patients at risk of readmission or institutionalization
Steeman, E.; Moons, P.; Milisen, K. et al

in International Journal for Quality in Health Care (2006), 18(5), 352-358

Objective. To evaluate whether implementation of discharge management by trained social workers or nurses reduces hospital readmissions and institutionalizations of geriatric patients in a real-world ... [more ▼]

Objective. To evaluate whether implementation of discharge management by trained social workers or nurses reduces hospital readmissions and institutionalizations of geriatric patients in a real-world setting. Design. Quasi-experimental design. Setting. Six general hospitals in Belgium. Participants. A representative sample of 824 patients, 355 of whom were assigned to the experimental group receiving comprehensive discharge management and 469 to the control group receiving usual care. Inclusion criteria were patients admitted to a geriatric, rehabilitation, or internal medicine ward, not residing in a nursing home, and showing risk of readmission or institutionalization on admission in the hospital. Intervention. In-hospital discharge planning according to a case management protocol allowing for adjustment to participating hospitals' case mix and patients' and families' specific needs. Main outcome measures. Hospital readmission within 15 and 90 days post discharge; institutionalization at discharge and within 15 and 90 days post discharge. Results. Discharge management resulted in fewer institutionalizations (n = 53; 14.9%) compared with usual care (n = 130; 23.7%) (adjusted odds ratio = 0.47; CI 95% = 0.31-0.70). Readmission rates between the intervention and usual care group were not significantly different. Conclusions. This implementation project showed that a discharge planning intervention can reduce institutionalization rates of elderly patients in real-life settings. [less ▲]

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See detailApproche Récursive d'Etiquetage des Chemins Alternatifs au Niveau IP
Donnet, Benoît ULg; Huffaker, Bradley; Friedman, Timur, et al

in Colloque Francophone d'Ingénierie des Protocoles (2006, October)

Un diamant correspond à l'existence de plusieurs chemins alternatifs entre deux points du réseau. Cette notion joue un rôle important en ingénierie du trafic où il faut, par exemple, répartir la charge de ... [more ▼]

Un diamant correspond à l'existence de plusieurs chemins alternatifs entre deux points du réseau. Cette notion joue un rôle important en ingénierie du trafic où il faut, par exemple, répartir la charge de trafic entre plusieurs chemins. Ces diamants peuvent être présents au niveau SA ou au niveau IP. Cet article s'intéresse au niveau IP et propose une méthode récursive d'étiquetage des diamants, RLPA. Nous avons appliqué RLPA sur un sous-ensemble des données skitter. Nous montrons, sur le sous-ensemble observé, que les diamants sont majoritairement composés d'un seul noeud intermédiaire, qu'ils sont formés de deux chemins alternatifs, qu'ils sont essentiellement symétriques et qu'ils se situent entre 10 et 15 sauts de la source du traceroute. [less ▲]

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See detailEvaluation of a Large-Scale Topology Discovery Algorithm
Donnet, Benoît ULg; Huffaker, Bradley; Friedman, Timur et al

in IEEE International IP Operation and Management (IPOM) Workshop (2006, October)

In the past few years, the network measurement community has been interested in the problem of internet topology discovery using a large number (hundreds or thousands) of measurement monitors. The ... [more ▼]

In the past few years, the network measurement community has been interested in the problem of internet topology discovery using a large number (hundreds or thousands) of measurement monitors. The standard way to obtain information about the internet topology is to use the traceroute tool from a small number of monitors. Recent papers have made the case that increasing the number of monitors will give a more accurate view of the topology. However, scaling up the number of monitors is not a trivial process. Duplication of effort close to the monitors wastes time by reexploring well-known parts of the network, and close to destinations might appear to be a distributed denial-of-service (DDoS) attack as the probes converge from a set of sources towards a given destination. In prior work, authors of this paper proposed Doubletree, an algorithm for cooperative topology discovery, that reduces the load on the network, i.e., router IP interfaces and end-hosts, while discovering almost as many nodes and links as standard approaches based on traceroute. This paper presents our open-source and freely downloadable implementation of Doubletree in a tool we call traceroute@home. We evaluate the performance of our implementation on the PlanetLab testbed and discuss a large-scale monitoring infrastructure that could benefit of Doubletree. [less ▲]

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