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See detailConcentrated Announcements on Clustered Data: An Event Study on Biotechnology Stocks
Bastin, Véronique; Hübner, Georges ULg

in Financial Management (2006), 35(1), 129-157

In spring 2000, three events--two political statements by Bill Clinton and Tony Blair and a breakthrough announcement by Celera Genomics--had a major impact on biotechnology stocks. We analyze their ... [more ▼]

In spring 2000, three events--two political statements by Bill Clinton and Tony Blair and a breakthrough announcement by Celera Genomics--had a major impact on biotechnology stocks. We analyze their effects over a comprehensive set of biopharmaceutical companies, using a composite return-generating model with an industry-specific patent-based factor. Our results show that stocks can be clustered according to their responsiveness to political and scientific events. Furthermore, we emphasize different impacts on the market value of intangible assets for each cluster, suggesting that growth options are valued with different criteria for therapeutics, and technology-based subsectors. [less ▲]

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See detailConrad Botes
Meesters, Gert ULg

in De Brakke Hond (2006), (92), 81-82

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See detailLa censure invisible
Durand, Pascal ULg

Book published by Actes Sud (2006)

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See detailComte-rendu du 16e symposium international sur la SLA
WANG, François-Charles ULg; Salachas, François-Charles

in Correspondances en Nerf & Muscle (2006)

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See detailPharmacological Treatment of Ambulatory Schizophrenic Patients in Belgium
Hanssens, L.; De Hert, M.; Wampers, M. et al

in Clinical Practice and Epidemiology in Mental Health (2006), 2

BACKGROUND: the objective of this study was twofold:1) Describe the use of antipsychotic treatments in ambulatory patients suffering from schizophrenia in Belgium.2) Evaluate to which extend antipsychotic ... [more ▼]

BACKGROUND: the objective of this study was twofold:1) Describe the use of antipsychotic treatments in ambulatory patients suffering from schizophrenia in Belgium.2) Evaluate to which extend antipsychotic treatment prescribing patterns are in accordance with published treatment guidelines. METHOD: A cross-sectional survey was carried out in 16 Belgian hospitals selected from a sample of 67 hospitals. The hospitals were equally distributed between the north and south part of the country and were representative of Belgian practice. During 2 months, participating psychiatrists were asked to record the medication use as well as demographic parameters of all consecutive ambulatory patients seen at their consultation or attending a day-hospital. Data concerning 1000 ambulatory patients with schizophrenia or schizoaffective disorder were collected. RESULTS: In Belgium, the use of atypical antipsychotics is frequent (69%) in ambulatory patients with schizophrenia. In the overall sample, 73% receive only one antipsychotic drug. The majority of patients are treated with drugs of only one antipsychotic drug group, either first- typical (29.8%) or second-generation, atypical antipsychotics (53.2%). 15.8% of patients combine different types of antipsychotics. Antipsychotic dosing is adequate for the majority of patients but about one fifth receives a higher than recommended dose as per package inserts. Polypharmacy remains within reasonable limits. The use of concomitant medication varies according the antipsychotic treatment: patients who take second-generation antipsychotics only, receive the least additional drugs. CONCLUSION: Atypical antipsychotics appear to be the first line treatment for schizophrenic psychosis. Psychiatrists working with ambulatory patients are well aware of treatment guidelines and follow them quite adequately. [less ▲]

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See detailEukaryotic organisms in Proterozoic oceans
Knoll, A. H.; Javaux, Emmanuelle ULg; Hewitt, D. et al

in Philosophical Transactions : Biological Sciences (2006), 361(1470), 1023-1038

The geological record of protists begins well before the Ediacaran and Cambrian diversification of animals, but the antiquity of that history, its reliability as a chronicle of evolution and the causal ... [more ▼]

The geological record of protists begins well before the Ediacaran and Cambrian diversification of animals, but the antiquity of that history, its reliability as a chronicle of evolution and the causal inferences that can be drawn from it remain subjects of debate. Well-preserved protists are known from a relatively small number of Proterozoic formations, but taphonomic considerations suggest that they capture at least broad aspects of early eukaryotic evolution. A modest diversity of problematic, possibly stem group protists occurs in ca 1800-1300 Myr old rocks. 1300-720 Myr fossils document the divergence of major eukaryotic clades, but only with the Ediacaran-Cambrian radiation of animals did diversity increase within most clades with fossilizable members. While taxonomic placement of many Proterozoic eukaryotes may be arguable, the presence of characters used for that placement is not. Focus on character evolution permits inferences about the innovations in cell biology and development that underpin the taxonomic and morphological diversification of eukaryotic organisms. [less ▲]

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See detailVibrational spectroscopy of extant and fossil microbes: Relevance for the astrobiological exploration of Mars
Marshall, Craig P; Carter, Elizabeth A; Leuko, Stefan et al

in Vibrational Spectroscopy (2006), 41(2), 182-189

The vibrational spectra of an extant Archaea, Halobacterium salinarum, an extant micro-eukaryote resistant biopolymer isolated from Botrycoccus braunii, and an extinct (ca. 590-565 Ma) micro-eukaryote ... [more ▼]

The vibrational spectra of an extant Archaea, Halobacterium salinarum, an extant micro-eukaryote resistant biopolymer isolated from Botrycoccus braunii, and an extinct (ca. 590-565 Ma) micro-eukaryote microfossil Tanarium conoideum, have been recorded using near-infrared FT Raman spectroscopy and FTIR spectroscopy. Raman biosignatures for the carotenoid pigment, bacterioruberin was obtained from the halophilic Archaea H. salinarum. Another pigment biosynthesized by halophilic Archaea, bacteriorhodopsin a retinal-protein complex was also investigated. The FTIR analysis of H. salinarum showed the presence of proteins and lipids, and the spectrum of isolated bacteriorhodopsin was different in that it contained retinal C-C stretching bands. FT Raman and FTIR analysis of the resistant biopolymer isolated from B. braunii indicated a composition of long straight chain polymethylenic macromolecule-termed algaenan. Moreover, these biopolymers can be preserved on geological timescales, hence the importance of generating a database of these materials for palaeobiology and astrobiology applications. The FT Raman and FTIR spectra acquired from T. conoideum contain intense aliphatic C-H stretching modes in the 2700-3000 cm(-1) region. Both the FT Raman and FTIR spectra are consistent with vibrational spectra obtained from algaenans isolated from extant chlorophytes, for example, B. braunii, or eustigmatophyte micro-algae. (C) 2006 Elsevier B.V. All rights reserved. [less ▲]

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See detailEtude de faisabilité pour la création d'une structure de transformation du lait
Duquesne, Brigitte ULg; Frameree, C.; Demeffe, L. et al

in 11ème Carrefour des Productions animales "le lait... une filière dynamique" (2006)

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See detailA nonlinear time-domain homogenization technique for laminated iron cores in three-dimensional finite-element models
Gyselinck, Johan; V Sabariego, Ruth ULg; Dular, Patrick ULg

in IEEE Transactions on Magnetics (2006), 42(4), 763-766

The authors present a novel nonlinear homogenization technique for laminated iron cores in three-dimensional (3-D) finite-element (FE) models of electromagnetic devices. The technique takes into account ... [more ▼]

The authors present a novel nonlinear homogenization technique for laminated iron cores in three-dimensional (3-D) finite-element (FE) models of electromagnetic devices. The technique takes into account the eddy current effects in the stacked core without the need of modeling all laminations separately. A nonlinear constitutive magnetic law is considered. The system of nonlinear algebraic equations obtained after time discretization is solved by means of the Newton-Raphson scheme. By way of validation, the method is applied to a 3-D FE model of a laminated ring core with toroidal coil. [less ▲]

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See detailLes "Ménines" de Vélasquez : une posture didactique
Heins, Pascal ULg

in Cramer, Evelyn; Ricker, Marie-Emilie; Souveryns, Patrick (Eds.) Didactiques de l'histoire et de l'histoire de l'art : divergences, convergences et complémentarités. 3e Journée interuniversitaire des Didactiques d'Histoire de l'Art (2006)

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See detailPoésie, Langage, Antiprose
Delville, Michel ULg

in Formes Poétiques Contemporaines (2006), 4

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See detailRelationship between surface characteristics and superficial cohesion of concrete
Garbacz, Andrzej; Gorka, M.; Courard, Luc ULg

in Beushausen, H.; Dehn, F.; Alexander, M. G. (Eds.) Concrete Repair, Rehabilitation and Retrofitting (2006)

Existing concrete surfaces have to be prepared before the application of a new layer. Different surface treatments (grinding, sandblasting, shotblasting, hand- and mechanical milling) have been performed ... [more ▼]

Existing concrete surfaces have to be prepared before the application of a new layer. Different surface treatments (grinding, sandblasting, shotblasting, hand- and mechanical milling) have been performed and the quality of the preparation has been established on the base of three main parameters: surface roughness, superficial concrete microcracking and adhesion. Cracks have been systematically observed, in relation with surface treatment by means of Scanning Electron Microscope and Light Microscope. Finally, a repair mortar, with or without bond coat, has been applied on the concrete substrates and adhesion has been measured. Analysis of results clearly show the effect of roughness on adhesion in the case where no bond coat is used, the influence of the surface treatment on the waviness shape of the profile and the presence of microcracks in the near-to-surface layer, which is related to failure type. [less ▲]

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See detailComparison of noise, hot and cold contrast of eight tomographic camera models.
Seret, Alain ULg; Nguyen, Thibaut

in European Journal of Nuclear Medicine and Molecular Imaging (2006), 33(S2), 282

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See detailEffect of surface preparation techniques on the cohesion of superficial concrete: comparison between jack-hammering and water-jetting
Courard, Luc ULg; Bissonnette, Benoît; Belair, Normand

in Beushausen, H.; Dehn, F.; Alexander, M. G. (Eds.) Concrete Repair, Rehabilitation and Retrofitting (2006)

The aim of concrete surface preparation is to obtain a surface with properties similar to those of the bulk concrete. Superficial concrete must be sound, dry, cohesive and contaminant-free. Particularly ... [more ▼]

The aim of concrete surface preparation is to obtain a surface with properties similar to those of the bulk concrete. Superficial concrete must be sound, dry, cohesive and contaminant-free. Particularly, the preparation must be performed in such a way that sound and homogeneous concrete is reached. The most widespread surface preparation techniques are sandblasting, jack-hammering, milling and other water hydro-jetting. Evaluation of the effect of surface preparation is often based upon surface roughness or specific sur-face. It is necessary however to investigate further within the first few centimetres from the surface to verify the concrete homogeneity and soundness. Pull-off test is a destructive method that can be useful for such evaluation, but it only gives an indication; the observation of the failure mode is more instructive. This paper summarizes the results of a microscopy investigation performed to quantify the number and length of cracks. The analysis leads to the comparison of jack-hammering and water-jetting techniques in terms of their poten-tial effect on superficial cohesion of concrete. [less ▲]

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See detailAnalyse structurale et syntagmatique des institutions politiques
Verjans, Pierre ULg

in Cahiers de Sciences Politiques de l'ULg (2006)

L'analyse d'un système politique peut s'effectuer à l'aide d'une grille d'analyse structurale croisant les idées, les communications d'un côté et les intérêts, les actions de l'autre, ces matrices donnant ... [more ▼]

L'analyse d'un système politique peut s'effectuer à l'aide d'une grille d'analyse structurale croisant les idées, les communications d'un côté et les intérêts, les actions de l'autre, ces matrices donnant forme à des institutions politiques. Dès lors, la question politique fondamentale devient celle de la succession plutôt que celle de l'opposition, autrement dit celle des glissements syntagmatiques plutôt que celle des affrontements paradigmatiques. [less ▲]

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See detailEvaluation de la séroprévalence de l'infection à herpèsvirus caprin 1 dans le sud-ouest de l'Europe
Thiry, Julien ULg; Keuser, Véronique; Schynts, Frédéric et al

in Epidémiologie et Santé Animale (2006), 49

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