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See detailEx vivo expansion of hematopoietic progenitor cells is associated with downregulation of alpha4 integrin- and CXCR4-mediated engraftment in NOD/SCID beta2-microglobulin-null mice
Foguenne, Jacques ULg; Di Stefano; Giet, Olivier ULg et al

in Haematologica (2009), 94

Several studies indicate that ex vivo cytokine-supported expansion induces defective hematopoietic stem cell engraftment. We investigated the role of alpha4 integrin, alpha5 integrin and CXCR4 in ... [more ▼]

Several studies indicate that ex vivo cytokine-supported expansion induces defective hematopoietic stem cell engraftment. We investigated the role of alpha4 integrin, alpha5 integrin and CXCR4 in engraftment of unmanipulated and cytokine-treated human cord blood CD34+ cells. [less ▲]

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See detailPROPOS DISPARATES AUTOUR DE LA GÉOGRAPHIE PHYSIQUE
Ek, Camille ULg

in Bulletin de la Société géographique de Liège (2009), 52

Rambling thoughts about physical geography Theories and paradigms succeed each other as time passes by. Some of the paradigms display a strong tendency to degenerate into laws and rules. Applied research ... [more ▼]

Rambling thoughts about physical geography Theories and paradigms succeed each other as time passes by. Some of the paradigms display a strong tendency to degenerate into laws and rules. Applied research requires team work and hierarchy. It should not be the only kind of research. Financial support is essential to support fundamental research, some of which must remain independent. Systemic approach to research, even in physical geography, thrusts the Human to the forefront. Man becomes an agent, as well as a subject to the process. Research should be structured and open to provide us with the most essential elements necessary, to correctly validate the theories and to be useful to mankind. [less ▲]

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See detailA Systematic NMR Determination of α-D-Glucooligosaccharides, Effect of Linkage Type, Anomeric Configuration and Combination of Different Linkages Type on 13C Chemical Shifts for the Determination of Unknown Isomaltooligosaccharides
Goffin, Dorothée ULg; Bistricky, Peter; Shashkov, Alexander et al

in Bulletin of the Korean Chemical Society (2009), 30(11), 2535-2541

Prebiotic isomaltooligosaccharide preparations contain α-D-glucooligosaccharides comprising isomaltooligosaccharides (IMOs) and non-prebiotic maltooligosaccharides (MOs). They are both glucose ... [more ▼]

Prebiotic isomaltooligosaccharide preparations contain α-D-glucooligosaccharides comprising isomaltooligosaccharides (IMOs) and non-prebiotic maltooligosaccharides (MOs). They are both glucose oligosaccharides characterized by their degree of polymerization (DP) value (from 2 to ~10), linkage types and positions (IMOs: α-(12, 3, 6 and in a lower proportion internal 14) linkages, Mos: -(14) linkages). Their structure is the key factor for their prebiotic potential. In order to determine and elucidate the exact structure of unknown IMOs and Mos, unambiguous assignments of 13C and 1H chemical shifts of commercial standards, representative of IMOs and Mos diversity, have been determined using optimized standard one and two-dimensional experiments such as 1H NMR, 13C NMR, APT and 1H-1H COSY, TOCSY, NOESY and 1H-13C heteronuclear HSQC, HSQC-TOCSY, and HMBC. Here we point out the differential effect of substitution by a glucose residue at different positions on chemical shifts of anomeric as well as ring carbons together with the effect of the reducing end configuration for low DP oligosaccharides and diasteroisotopic effect for H-6 protons. From this study, structural 13C specific spectral features can be identified as tools for structural analysis of isomaltooligosaccharides. [less ▲]

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See detailBiopsies rectales chez le cheval : technique, innocuité, et valeur diagnostique de l'examen histopathologique.
Leroux, Aurélia ULg

Master of advanced studies dissertation (2009)

La biopsie rectale est couramment utilisée sur les chevaux présentant un amaigrissement, de la diarrhée chronique ou des coliques récidivantes. Le but de cette étude est la mise au point de cette ... [more ▼]

La biopsie rectale est couramment utilisée sur les chevaux présentant un amaigrissement, de la diarrhée chronique ou des coliques récidivantes. Le but de cette étude est la mise au point de cette technique, l’étude de son innocuité et de sa valeur diagnostique. Huit biopsies rectales sont prélevées en différents endroits, avec la pince à biopsie utérine de la clinique, sur chacun des 12 chevaux de l’étude, 7 malades et 5 témoins, sous anesthésie générale ou simple sédation. Des prélèvements de duodénum, iléon, caecum, colon et rectum sont effectués post mortem sur chaque cheval. Un examen histopathologique sur lames colorées à l’hématoxyline-éosine, est réalisé. Pour un droitier, il est plus facile de prélever dans le cadran supérieur droit. Les autopsies montrent que 91% des biopsies à 30 cm de l’anus et 48% de celles à 15 cm sont localisées en avant du cul-de-sac rétropéritonéal. Des hématomes sont fréquents (44%) surtout ventralement. Une seule perforation est observée. Au microscope, l’inflammation sur les biopsies rectales est plus marquée à 30 cm et chez les chevaux malades. Des études similaires avec la méthode proctoscopique et avec une pince à biopsie utérine de plus petit calibre, seraient intéressantes en vue de comparer les résultats. [less ▲]

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See detailThe functional analysis of the Mousterian and Micoquian assemblages of Sesselfelsgrotte, Germany. Tool use and Hafting in the European Late Middle Paleolithic
Rots, Veerle ULg

in Quartär : Jahrbuch für Erforschung des Eiszeitalters und seiner Kulturen (2009), 56

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See detailLes quartiers durables : processus de production et reproductibilité
Marique, Anne-Françoise ULg

Master's dissertation (2009)

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See detailWho's in charge? Nuclear receptor coactivator function in brain and behavior
Charlier, Thierry ULg

Scientific conference (2009)

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See detailContre le "fin sourire": la poétique du rire de Georges Fourest
Robert, Laurent ULg

in Acta Iassyensia Comparationis (2009), 7

Cet article propose une analyse de la poétique du rire à l’œuvre dans La Négresse blonde de Georges Fourest. Se démarquant de Corbière et Laforgue, Fourest renoue avec un rire carnavalesque hérité de ... [more ▼]

Cet article propose une analyse de la poétique du rire à l’œuvre dans La Négresse blonde de Georges Fourest. Se démarquant de Corbière et Laforgue, Fourest renoue avec un rire carnavalesque hérité de Rabelais, mais nuancé de références blasphématoires ou sataniques inspirées par la littérature décadente, et notamment par les écrits de Huysmans. [less ▲]

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See detailExperimental infection of reindeer with cervid herpesvirus 2
das Neves, C.; Mork, T.; Godfroid, J. et al

in Clinical and Vaccine Immunology (2009), 16

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See detailLes services à perte : modalités d'un honoraire digne ?
Wildemeersch, Jonathan ULg

in Regards croisées sur l'avenir des professions libérales (2009)

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See detailVariations langagières et annotation morphosyntaxique du latin classique
Longrée, Dominique ULg; Poudat, Céline

in TAL (2009), 50(2), 129-148

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See detailDesigning Steel Structures for Fire Safety
Franssen, Jean-Marc ULg; Kodur, Venkatesh; Zaharia, Raul

Book published by Taylor & Françis Ed. (2009)

In this book the information relevant to fire design of steel structures is presented in a systematic way in seven chapters. Each Chapter begins with an introduction of various concepts to be covered and ... [more ▼]

In this book the information relevant to fire design of steel structures is presented in a systematic way in seven chapters. Each Chapter begins with an introduction of various concepts to be covered and follows with detailed explanation of the concepts. The calculation methods as relevant to code provisions (in Europe, North America or other continents) are discussed in detail. Worked examples relevant to calculation methodologies on simple structural elements are presented. For the case of complete structures guidance on how analysis can be carried out is presented. Chapter 1 of the book is devoted to providing relevant background information to codes and standards and principles of fire resistance design. The chapter discusses the fire safety design philosophies, prescriptive and performance-based design fire safety design issues. Chapter 2 deals with basis of design and mechanical loads. The load combinations to be considered for fire design of structures, as per European and North American codes and standards, are discussed. Chapter 3 discusses the detailed steps involved in establishing the fire scenarios for various cases. Both Eurocode and North American temperature-time relationships are discussed. Procedures in this section allow the designer to establish the time-temperature relationships or heat flux evolutions under a specified design fire. Chapter 4 deals with steps associated in establishing the temperature history in the steel structure, resulting from fire temperature. The various approaches for undertaking thermal analysis by simple calculation models are discussed. Chapter 5 presents the steps associated for establishing the mechanical response of a structure exposed to fire. The possibilities for analysis at different levels: member level, sub-structure level and global level are discussed. Full details related to simple calculation methods for undertaking strength analysis at member level are presented. Chapter 6 is devoted to fire resistance issues associated with design of joints. The steps associated with the fire resistance of a bolted or a welded joint through simplified and detailed procedure are discussed. Chapter 7 deals with thermal and mechanical analysis through advanced calculation models. The procedures involved in the sub-structure analysis or global structural analysis under fire exposure is fully discussed. Case studies are presented to illustrate the detailed fire resistance analysis of various structures. Chapter 8 presents four design examples showing how a complex structure can be designed using the concept of element or sub-structure analysis. The book concludes with two Annexes which present some of the design information related to material properties and temperature profiles. Annex 1 focuses on thermal properties of structural steel and commonly used insulation materials and resulting temperature profiles in steel. Annex 2 focuses on mechanical properties of structural steel. [less ▲]

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See detailPrésentation de "Philosophie et histoire des religions" de Béatrice Dessain
Steinmetz, Rudy ULg

Diverse speeche and writing (2009)

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See detailCorrelation between the roughness of the substrate surface and the debonding risk
Perez, Fabien; Morency, Maxim; Bissonnette, Benoît et al

in Alexander, M. G.; Beushausen, H.-D.; Dehn, F. (Eds.) et al Concrete Repair, Rehabilitation and Retrofitting II (2009)

This paper presents the influence of substrate surface preparation on the adhesion strength of repaired beams system. Bond between new and old concrete has been the subject of a number of investigations ... [more ▼]

This paper presents the influence of substrate surface preparation on the adhesion strength of repaired beams system. Bond between new and old concrete has been the subject of a number of investigations, but in most cases, only adhesion strength was addressed. This parameter was used to estimate the durability and/or the debonding risk for repaired structure and it’s a generally accepted auditing standards. Usually, surface preparation of the substrate concrete is considered essential to achieve a durable repair because of its influence on the bond strength. To better understand debonding mechanism, in particular these related to surface preparation, roughness parameters were calculated to quantify the influence of surface preparation on the structural behaviour. Using this approach, repair beams prepared by way of four (4) concrete surface preparations were characterized. Results obtained show that repaired beams presenting a substrate with a rough surface permit to achieve a monolithic behaviour of the repaired system. Opposite structural behaviour, with large debonding, was recorded for those having smooth surface. However, all surface preparations used have promoted the same bond strength regardless the roughness of the substrate. The resulting analysis highlights the relation between roughness parameter αrough and the debonding mechanism of repaired beams. Such results will be useful to better predict the performance of concrete repairs. [less ▲]

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See detailVade-Mecum de la fonction de Bourgmestre
Durviaux, Ann-Lawrence ULg

Book published by La Charte (2009)

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