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See detailThe Portugal coastal counter current off NW Spain: new insights on its biogeochemical variability
Alvarez-Salgado, Xosé Antón; Figueiras, F. G.; Perez, F. F. et al

in Progress in Oceanography (2003), 56(2), 281-321

Time series of wind-stress data, AVHRR and SeaWiFS satellite images, and in situ data from seven cruises are used to assemble a coherent picture of the hydrographic variability of the seas off the ... [more ▼]

Time series of wind-stress data, AVHRR and SeaWiFS satellite images, and in situ data from seven cruises are used to assemble a coherent picture of the hydrographic variability of the seas off the Northwest Iberian Peninsula from the onset (September-October) to the cessation (February-May) of the Portugal coastal counter current (PCCC). During this period the chemistry and the biology of the shelf, slope and ocean waters between 40degrees and 43degreesN have previously been undersampled. Novel information extracted from these observations relate to: 1. The most frequent modes of variability of the alongshore coastal winds, covering event, seasonal and long-term scales; 2. The conspicuous cycling between stratification and homogenisation observed in PCCC waters, which has key implications for the chemistry and biology of these waters; 3. The seasonal evolution of nitrite profiles in PCCC waters in relation to the stratification cycle; 4. The Redfield stoichiometry of the remineralisation of organic matter in Eastern North Atlantic Central Water (ENACW)-the water mass being transported by the PCCC; 5. The separation of coastal (mesotrophic) from PCCC (oligotrophic) planktonic populations by a downwelling front along the shelf, which oscillates to and fro across the shelf as a function of coastal wind intensity and continental runoff; and 6. The photosynthetic responses of the PCCC and coastal plankton populations to the changing stratification and light conditions from the onset to the cessation of the PCCC. [less ▲]

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See detailEffect of induction of late embryonic mortality on plasma profiles of pregnancy associated glycoprotein 1 in heifers
Szenci, Otto; Beckers, Jean-François ULg; Sulon, Joseph ULg et al

in Veterinary Journal (2003), 165(3), 307-313

Inoculation with Actinomyces pyogenes and administration of prostaglandin (PG) F-2alpha were used to induce late embryonic mortality (LEM) in heifers (n = 8) on Days 30-38 of pregnancy in order to compare ... [more ▼]

Inoculation with Actinomyces pyogenes and administration of prostaglandin (PG) F-2alpha were used to induce late embryonic mortality (LEM) in heifers (n = 8) on Days 30-38 of pregnancy in order to compare the profile for bovine pregnancy associated glycoprotein 1 (PAG1), progesterone and 15-keto-13,14-dihydro-PGF(2alpha) (PGFM). Two pregnant heifers were used as controls. Inoculation into the uterine body caused LEM, as established by ultrasonography in each heifer within 24 h of treatment. When the inoculum was injected into the first part of the cervix, LEM occurred in one of two heifers (Heifer A) between 48 and 72 h after treatment. Similarly, PGF(2alpha) treatment caused LEM in three of four heifers. In six of eight heifers, PAG1 started to decrease steadily when it was accompanied by the subsequent death of the embryo. Inoculation through the cervix caused luteolysis in three of four heifers within 6-10 days after induction. After induction of LEM, PGFM concentrations showed a two to 3.8 fold increase in three of four heifers during the following six days, and from that time changed within normal ranges. The results of this study indicate that a PAG1 assay may provide an alternative method to ultrasonography for determining LEM in the cow. [less ▲]

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See detailThe impact of reimbursement criteria on the appropriateness of 'statin' prescribing.
Autier, Philippe; Creplet, Jean; Vansant, Greet et al

in European Journal of Cardiovascular Prevention & Rehabilitation (2003), 10(6), 456-62

BACKGROUND: In Belgium, regulations restrict the reimbursement of statins to patients with total serum cholesterol above 250 mg/dl (6.41 mmol/l) after a three-month lipid-lowering diet. We investigated ... [more ▼]

BACKGROUND: In Belgium, regulations restrict the reimbursement of statins to patients with total serum cholesterol above 250 mg/dl (6.41 mmol/l) after a three-month lipid-lowering diet. We investigated the possible impact of these regulations on characteristics of Belgian patients receiving a lipid-lowering drug. DESIGN: From 1998 to 2000, standard questionnaires on coronary risk factors and treatments with lipid-lowering drugs were completed by 301 GPs sampled at random in the 11 Belgian Provinces. Questionnaires had to be completed for 18 consecutive patients 35 years old or more attending GPs' practices, irrespective of the underlying motive for attendance. RESULTS: Of the 5511 patients included in the study, 1519 (28%) had established coronary disease or diabetes mellitus, or > or = 2 non-cholesterol coronary risk factors. Most (70%) of these patients were not treated with a lipid-lowering drug. Only 22% of patients with established coronary disease, 10% of patients with diabetes mellitus and 9% of patients with > or = 2 coronary risk factors were treated with a statin. Fifty-nine percent of fibrate users and 50% of statin users had a pre-treatment cholesterol level above 250 mg/dl, but had no or only one non-cholesterol coronary risk factor. CONCLUSIONS: In Belgium, the majority of patients at higher risk of coronary event do not benefit from lipid-lowering drugs, particularly the statins. In contrast, one of two statin users and three of five fibrate users should probably not receive the drug prescribed. Regulation based on blood cholesterol level encourages the overlooking of other risk factors relevant for selecting patients having the greatest chance to benefit from statin treatment. [less ▲]

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See detailArterial embolization as a treatment of chronic edema following free cutaneous flap transfer to the lower limbs.
Tchuisse, Charlemagne Noukoua; Barah, Ali; NCHIMI LONGANG, Alain ULg et al

in Cardiovascular & Interventional Radiology (2003), 26(3), 316-8

Persisting chronic edema following postoperative free flap transfer is a common complication. We report 3 cases of successful treatment by selective arterial embolization of the feeding arterial branches ... [more ▼]

Persisting chronic edema following postoperative free flap transfer is a common complication. We report 3 cases of successful treatment by selective arterial embolization of the feeding arterial branches without side effect. One session embolization is advocated as a first line treatment of this condition. [less ▲]

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See detailInfluence du contenu et des modalités d'évaluation sur les indicateurs d'équités
Lafontaine, Dominique ULg; Demeuse, Marc

in Les actes du Colloque de l'Adméé sur le thème "Evaluation entre efficacité et équité" (2003)

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See detailDévelopper les collaborations entre les classes de l'enseignement fondamental et les bibliothèques publiques
Lafontaine, Dominique ULg

in Lire ensemble. Ecoles et bibliothèques : vers des synergies nouvelles (2003)

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See detailHistory of solid organ transplantation at the University of Liege
Lejeune, Georges ULg; Limet, Raymond ULg; Meurisse, Michel ULg et al

in Acta Chirurgica Belgica (2003), 103(3 Sp. Iss. SI), 32-36

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See detailIncreased hydrogen peroxide in breath condensate after aero-allergen challenge in ascaris-suum sensitived cats
Kirschvink, Nathalie; Delvaux, Francois; Leemans, Jerome et al

Conference (2003)

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See detailPion Structure Function and violation of the Momentum Sum Rule
Lansberg, Jean-Philippe ULg; Bissey, F.; Cudell, Jean-René ULg et al

in Blin, A. H.; Hiller, B.; Ruivo, M. C. (Eds.) et al Hadron Physics: Effective Theories of Low Energy QCD N°2 (2003)

We present a method to evaluate the pion structure functions from a box diagram calculation. Pion and constituent quark fields are coupled through the simplest pseudoscalar coupling. The gamma^* pi -> q ... [more ▼]

We present a method to evaluate the pion structure functions from a box diagram calculation. Pion and constituent quark fields are coupled through the simplest pseudoscalar coupling. The gamma^* pi -> q \bar q cross-section is evaluated and related to the structure functions. We then show that the introduction of non-perturbative effects, related to the pion size and preserving gauge invariance, provides us with a straighforward relation with the quark distribution. It is predicted that higher-twist terms become negligible for Q^2 larger than about 2 GeV^2 and that quarks in the pion have a momentum fraction smaller than in the proton. We enlarge the discussion concerning this violation of the momentum sum rule, emphasizing that the sum rule is recovered in the chiral limit and also when the finite size condition is not imposed. [less ▲]

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See detailChronique de la 57ème Session de la SIHDA à Clermont-Ferrand (16-20 Septembre 2003)
Gerkens, Jean-François ULg

in Revue Internationale des Droits de l'Antiquité (2003), L

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See detailLe cancer medullaire de la thyroide ou, comment des marqueurs tumoraux et les outils de la genetique autorisent le deploiement de mesures preventives.
Meurisse, Nicolas ULg; Defechereux, Thierry ULg; Hamoir, Etienne ULg et al

in Revue Médicale de Liège (2003), 58(5), 346-350

Medullary thyroid cancer (MTC) arises from parafollicular C cells secreting calcitonin. MTC occurs both as sporadic tumors and as part of specific inherited autosomal dominant syndromes in which point ... [more ▼]

Medullary thyroid cancer (MTC) arises from parafollicular C cells secreting calcitonin. MTC occurs both as sporadic tumors and as part of specific inherited autosomal dominant syndromes in which point mutations within a discrete set of RET codons were described. Total thyroidectomy and aggressive neck dissection represents the only chance for cure in the affected patients. Therefore, all patients with thyroid nodular disease should undergo measurement of calcitonin plasma levels to allow preclinical diagnosis of the disease and early appropriate surgery ("secondary prevention"). In case of proband patient for inherited disease, all the family members should be genetically screened to detect the disease gene carriers. Patients with germline mutation would benefit either from earlier surgery at the stage of C-cell hyperplasia or microcarcinoma or prophylactic surgery (total thyroidectomy without neck dissection) (primary prevention) before the onset of any C-cells pathology. The ideal age for performance of such prophylactic surgery is determined by the genotypic features of the disease. [less ▲]

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See detailPrévenir le mal
Strivay, Lucienne ULg

in Lempereur, Françoise; Neuberg, André (Eds.) Guérisseurs d'hier et d'aujourd'hui (2003)

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See detailEffect of imbalance between energy and nitrogen supplies on microbial protein synthesis in growing double-muscled Belgian Blue bulls.
Valkeners, Damien; Beckers, Yves ULg; Piron, Fabien ULg et al

in Proceeding of the British Society of Animal Science 2003 (2003)

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See detailHugo, Rodenbach, d'Annunzio
Curreri, Luciano ULg

in Elettra (2003)

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See detailQuantification of angiogenesis on the rat aortic ring assay.
Blacher, Silvia ULg; Devy, L.; Noël, Agnès ULg et al

in Image Analysis and Stereology (2003), 22

Image analysis is used to quantify angiogenesis on the rat aortic ring model. This technique allows to determine: (1) the aortic ring area and factor shape; (2) the number of microvessels, the total ... [more ▼]

Image analysis is used to quantify angiogenesis on the rat aortic ring model. This technique allows to determine: (1) the aortic ring area and factor shape; (2) the number of microvessels, the total number of branching, the maximal microvessel length and the number of microvessels in function of the distance to the aortic ring; (3) the total number of isolated fibroblast-like cells and the number of fibroblast-like cells in function of the distance to the aortic ring. We show that this method is suitable to quantify spontaneous angiogenesis as well as to analyse a complex microvascular network induced by vascular endothelial growth factor (VEGF). [less ▲]

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See detailPhysical and textural characteristics of hydrogenated low-erucic acid rapeseed oil and low-erucic acid rapeseed oil blends
Danthine, Sabine ULg; Deroanne, Claude ULg

in Journal of the American Oil Chemists' Society (2003), 80(2), 109-114

Low-erucic acid rapeseed oil (LERO) and hydrogenated low-erucic acid rapeseed oil (HLERO) were blended in binary systems. The blends were then studied for their physical properties such as solid fat ... [more ▼]

Low-erucic acid rapeseed oil (LERO) and hydrogenated low-erucic acid rapeseed oil (HLERO) were blended in binary systems. The blends were then studied for their physical properties such as solid fat content, melting curves by DSC, textural properties, and polymorphism. Phase behavior diagrams were constructed from the DSC and X-ray results, and isosolid diagrams were constructed from the NMR results. The mixture of HLERO and LERO displayed a monotectic behavior for all the storage time at 15degreesC. The aim of this work was to evaluate physical characteristics of binary blends of HLERO and nonhydrogenated LERO in order to use only LERO and hardened LERO in bakery shortenings. The mixture of 60% HLERO and 40% LERO is suitable to use as a plastic shortening, This blend is beta tending upon storage at 15degreesC. It could be used in pie crust applications. [less ▲]

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See detailRecognising the usual orientation of one's own face : the role of asymmetrically located details
Brédart, Serge ULg

in Perception (2003), 32(7), 805-811

Our ability to recognise the usual horizontal orientation Of Our own face (mirror orientation) as compared with another very familiar face (normal orientation) was examined in experiment 1. Participants ... [more ▼]

Our ability to recognise the usual horizontal orientation Of Our own face (mirror orientation) as compared with another very familiar face (normal orientation) was examined in experiment 1. Participants did not use the same kind of information in determining the orientation of their own face as in determining the orientation of the other familiar face. The proportion of participants who reported having based their judgment on the location of an asymmetric feature (eg a mole) was higher when determining the orientation of their own face than when determining that of the other familiar face. In experiment 2, participants were presented with pairs of manipulated images of their own face and of another familiar face showing conflicting asymmetric features and configural information. Each pair consisted of one picture showing asymmetric features of a given face in a mirror-reversed position, while the facial configuration was left unchanged; and one picture in which the location of the asymmetric features was left unchanged, while the facial configuration was mirror-reversed. As expected from the hypothesis that asymmetric local features are more frequently used for the judgment of one's own face, participants chose the picture showing mirror-reversed asymmetric features when determining the usual orientation of their own face significantly more often than they chose the picture showing normally oriented asymmetric features when determining the orientation of the other face. These results are explained in terms of competing forward and mirror-reversed representations of one's own face. [less ▲]

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See detailSpatial processes in landscape transformation: definition, classification and detection.
Bogaert, Jan ULg; Ceulemans, R; Van Eysenrode Salvador, D

in Abstracts of the IALE World Congress 2003. (2003)

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