Browsing
     by title


0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

or enter first few letters:   
OK
Full Text
Peer Reviewed
See detailA multiple-level study of metal tolerance in Salix fragilis and Salix aurita clones
Evlard, Aricia ULg; Sergeant, Kjell; Printz, Bruno et al

in Journal of Proteomics (2014), 101C

The response of two willow clones (Salix fragilis (Sf) and S. aurita (Sa)) to the presence of metals (Zn, Cu, Cd, Ni) was studied. Rooted cuttings were planted in control and contaminated soil. After 100 ... [more ▼]

The response of two willow clones (Salix fragilis (Sf) and S. aurita (Sa)) to the presence of metals (Zn, Cu, Cd, Ni) was studied. Rooted cuttings were planted in control and contaminated soil. After 100 days, different parameters (biomass, chlorophyll fluorescence (Fv/Fm), pigment and sugar concentrations, electrolyte leakage and proteome-level changes) were analyzed. The growth of Sa was not influenced by metals whereas Sf produced significantly less biomass when exposed to the pollutants. Furthermore, although Sa did not show a growth reduction in the presence of metals, the overall view of the physiological results among others the changes in the accumulation of sugars and pigments indicated that metals had a more severe impact on this clone. The response at the proteome level confirmed these observations. The growth reduction and the proteomic changes in Sf indicate that this clone adjusts its metabolism to maintain cellular homeostasis. Sa on the contrary maintains growth but the physiological and proteomics data suggests that this can only be done at the cost of cellular deregulation. Therefore high biomass is not linked with a good tolerance strategy. In a long-term study the survival of Sa might be compromised making it a poorer candidate for phytoremediation efforts. [less ▲]

Detailed reference viewed: 52 (6 ULg)
Full Text
Peer Reviewed
See detailLes Multiples Avatars de Spirou et Fantasio
Dejasse, Erwin ULg

in 9e Art : Les Cahiers du Musée de la Bande Dessinée (2007), 13

Detailed reference viewed: 54 (2 ULg)
Full Text
See detailLes multiples interactions entre la gestion de la biodiversité et de l'eau
Dufrêne, Marc ULg

Conference given outside the academic context (2014)

Detailed reference viewed: 53 (14 ULg)
Full Text
See detailLes multiplets atomiques dans les spectres stellaires
Swings, Polydore ULg; Donnay, L.

in Association Française pour l'Avancement des Sciences (Ed.) Compte-rendu de la 57e session, Chambéry 1933 (1933)

Detailed reference viewed: 9 (4 ULg)
Full Text
Peer Reviewed
See detailMultiplex PCR followed by restriction length polymorphism for the subtyping of bovine herpesvirus 5 isolates
Maidana; Morano, C.D.; Cianfrinid et al

in BMC Veterinary Research (2013), 9

Detailed reference viewed: 11 (0 ULg)
Full Text
Peer Reviewed
See detailMultiplex PCRs for Identification of Necrotoxigenic Escherichia coli
Van Bost, S.; Jacquemin, E.; Oswald, E. et al

in Journal of Clinical Microbiology (2003), 41(9), 4480-4482

Two multiplex PCRs were developed for the detection of necrotoxigenic Escherichia coli virulence genes. M1 contained the primers for the toxins and the aerobactin, and M2 contained the primers for the ... [more ▼]

Two multiplex PCRs were developed for the detection of necrotoxigenic Escherichia coli virulence genes. M1 contained the primers for the toxins and the aerobactin, and M2 contained the primers for the adhesins. They were validated by single PCRs performed with reference E. coli strains and by multiplex PCRs with necrotoxigenic E. coli strains isolated from different animal species. [less ▲]

Detailed reference viewed: 12 (0 ULg)
Full Text
See detailMultiplication by a Constant and Recognizability in an Abstract Numeration System
Charlier, Emilie ULg

Poster (2005, September 12)

One of the main interesting concerns in work about numeration systems is studying the relationship that exist between arithmetic properties of numbers and syntactical properties of their representation ... [more ▼]

One of the main interesting concerns in work about numeration systems is studying the relationship that exist between arithmetic properties of numbers and syntactical properties of their representation. More precisely, we prefer to manipulate set of numbers whose representations are characterized by very simple syntactical rules, that is, forming a regular language. Such sets are called S-recognizable sets, where S is the numeration system we are working with. In particular, we would like to obtain numeration systems in which the whole set N is recognizable, partly due to the fact that, if the set of representations of all integers is regular, there are very simple algorithms making it possible to decide if a word stands or does not stand for a number. Some general questions in this area are the following. • Characterization of the recognizable parts in a fixed numeration system. • Determination of the numeration systems for which a given set of numbers is recognizable. • To examine the stability of recognizability under arithmetic operations. In this poster we present our research about that last problem. First, we will define the abstract numeration systems based on a regular language. Then we will study the relationship between multiplication by a constant and the S-recognizability for languages of the type a_1^∗ . . . a_k^∗. [less ▲]

Detailed reference viewed: 20 (2 ULg)
Full Text
See detailMultiplication des embryons chez les bovins: possibilités actuelles et futures
Ectors, Francis ULg; Beckers, Jean-François ULg; Ectors, Fabien ULg et al

in Biotechnologie en Sélection animale - IRSIA (1989)

Since several years, research efforts have been focused towards improving the reproductive potential of domestic animals. The authors present a review of different technics in particular the ... [more ▼]

Since several years, research efforts have been focused towards improving the reproductive potential of domestic animals. The authors present a review of different technics in particular the superovulation and priming, embryo micromanipulation and clonage. The technic of superovulation allows an increase of the total number fo the offspring by an increase of the ovocytes total number. Different FSH injections at the end of the cycle, preceded by small FSH quantity at the beginning of the cycle, procure a great number of mature follicles available for reproduction. Micromanipulation allows a multiplicaton by sectioning the embryo in two or more segments. Isolated blastmeres can also be used but it was observed that those cells very rapidly loose their differentiation potential. Clonage allows the reproduction of an animal from only one of his own cells. The nucleus of this cell is extracted and reimplanted in an enucleated ovocyte. Meanwhile from a practical point of vue, this technic is, at present, only possible using a stem cell and not using a mature somatic cell. [less ▲]

Detailed reference viewed: 98 (2 ULg)
Full Text
Peer Reviewed
See detailMultiplication of an ancestral gene encoding secreted fungalysin preceded species differentiation in the dermatophytes Trichophyton and Microsporum
Jousson, O.; Lechenne, B.; Bontems, O. et al

in Microbiology-Sgm (2004), 150(Part 2), 301-310

Dermatophytes are human and animal pathogenic fungi which cause cutaneous infections and grow exclusively in the stratum corneum, nails and hair. In a culture medium containing soy proteins as sole ... [more ▼]

Dermatophytes are human and animal pathogenic fungi which cause cutaneous infections and grow exclusively in the stratum corneum, nails and hair. In a culture medium containing soy proteins as sole nitrogen source a substantial proteolytic activity was secreted by Trichophyton rubrum, Trichophyton mentagrophytes and Microsporum canis. This proteolytic activity was 55-75% inhibited by o-phenanthroline, attesting that metalloproteases were secreted by all three species. Using a consensus probe constructed on previously characterized genes encoding metalloproteases (MEP) of the M36 fungalysin family in Aspergillus fumigatus, Aspergillus oryzae and M. canis, a five-member MEP family was isolated from genomic libraries of T rubrum, T mentagrophytes and M. canis. A phylogenetic analysis of genomic and protein sequences revealed a robust tree consisting of five main clades, each of them including a MEP sequence type from each dermatophyte species. Each MEP type was remarkably conserved across species (72-97% amino acid sequence identity). The tree topology clearly indicated that the multiplication of MEP genes in dermatophytes occurred prior to species divergence. In culture medium containing soy proteins as a sole nitrogen source secreted Meps accounted for 19-36% of total secreted protein extracts; characterization of protein bands by proteolysis and mass spectrometry revealed that the three dermatophyte species secreted two Meps (Mep3 and Mep4) encoded by orthologous genes. [less ▲]

Detailed reference viewed: 37 (5 ULg)
Full Text
See detailMultiplicités des procédures et faible participation ?,
Hanson, Sophie; Michel, Quentin ULg

in Cahiers de l'Urbanisme (Les) (2003), (Hors série), 21

Detailed reference viewed: 10 (5 ULg)
Full Text
Peer Reviewed
See detailMultiplicity and complexity issues in contemporary production scheduling
Brauner, Nadia; Crama, Yves ULg; Grigoriev, Alexander et al

in Statistica Neerlandica (2007), 61(1), 75-91

High multiplicity scheduling problems arise naturally in contemporary production settings where manufacturers combine economies of scale with high product variety. Despite their frequent occurrence in ... [more ▼]

High multiplicity scheduling problems arise naturally in contemporary production settings where manufacturers combine economies of scale with high product variety. Despite their frequent occurrence in practice, the complexity of high multiplicity problems - as opposed to classical, single multiplicity problems - is in many cases not well understood. In this paper, we discuss various concepts and results that enable a better understanding of the nature and complexity of high multiplicity scheduling problems. The paper extends the framework presented in Brauner et al. [Journal of Combinatorial Optimization (2005) Vol. 9, pp. 313-323] for single machine, non-preemptive high multiplicity scheduling problems, to more general classes of problems. [less ▲]

Detailed reference viewed: 75 (3 ULg)
Full Text
Peer Reviewed
See detailMultiplicity editing in long-range heteronuclear correlation NMR experiments: Application to natural products
Sauri, Josep; Sistare, E.; Frederich, Michel ULg et al

Poster (2015, February)

Detailed reference viewed: 25 (6 ULg)
Peer Reviewed
See detailMultiplicity of cytochrome P450 dependent steroid 16alpha-hydroxylase in the rat liver.
Kremers, Pierre ULg; Pasleau, Françoise ULg; Gielen, Jacques

Conference (1978, June)

Detailed reference viewed: 15 (3 ULg)
Full Text
See detailMultiplicity of O-type stars in NGC 2244
Mahy, Laurent ULg; Nazé, Yaël ULg; Rauw, Grégor ULg et al

Poster (2008)

We present the main results from our long‐term spectroscopic campaign devoted to the O‐type stars in the young open cluster NGC 2244. Previous works by our team on the O‐stars multiplicity in other young ... [more ▼]

We present the main results from our long‐term spectroscopic campaign devoted to the O‐type stars in the young open cluster NGC 2244. Previous works by our team on the O‐stars multiplicity in other young open clusters (IC 1805 and NGC 6231) showed that the number of binary systems in such clusters was larger than 40%. Until now, only two stars (HD 47129 and HD 48099) in the surroundings of NGC 2244 have been confirmed as spectroscopic binaries (SB) although Garcia & Mermilliod (2001) estimated the O‐type binary fraction at 50%. In this context, we revisited the spectral classification, the projected rotational velocity and the multiplicity of O‐type stars in NGC 2244. [less ▲]

Detailed reference viewed: 17 (5 ULg)
Full Text
Peer Reviewed
See detailThe multiplicity of O-type stars in NGC 2244
Mahy, Laurent ULg; Rauw, Grégor ULg; Martins, F. et al

in Bulletin de la Societe Royale des Sciences de Liege (2011), 80

The investigation of the multiplicity of massive stars is crucial to determine a robust binary fraction but also for understanding the physical properties of these objects. In this contribution, we will ... [more ▼]

The investigation of the multiplicity of massive stars is crucial to determine a robust binary fraction but also for understanding the physical properties of these objects. In this contribution, we will present the main results from our long-term spectroscopic survey devoted to the young open cluster NGC 2244. We discuss the spectral classification, the projected rotational velocity (v sin{i}) and the multiplicity of O-stars. The stellar and wind parameters of each star, obtained using the CMFGEN atmosphere code, help us to better constrain the individual properties of these objects. Several of these stars were observed by the CoRoT satellite (SRa02) in the Asteroseismology channel. This intensive monitoring and the unprecedented quality of the light curves allow us to shed a new light on these objects. [less ▲]

Detailed reference viewed: 22 (2 ULg)
Full Text
See detailMultiplier l’acquisition de bases de données bibliographiques pour enrichir la recherche documentaire : mythe ou réalité ?
Decoster, Sara ULg; Simon, Stéphanie ULg; Van Ruymbeke, Muriel ULg

in Cahiers de la Documentation = Bladen voor Documentatie (2013), 67(2), 28-40

Cet article propose une analyse approfondie de quatre bases de données bibliographiques sous abonnement disponibles à l’Université de Liège, sur deux plateformes différentes, dans le domaine des études ... [more ▼]

Cet article propose une analyse approfondie de quatre bases de données bibliographiques sous abonnement disponibles à l’Université de Liège, sur deux plateformes différentes, dans le domaine des études linguistiques et littéraires. Les outils concernés offrent une couverture générale du domaine, au sens où ils ne sont pas spécialisés dans une période chronologique ou une langue particulière. Les quatre bases de données analysées sont MLA International Bibliography et Communication & Mass Media Complete (CMMC), accessibles via Ebsco, ainsi que Francis et Linguistics and Language Behavior Abstracts (LLBA) sur la plateforme ProQuest. L’objectif de l’article est d’évaluer le bénéfice que l’utilisateur peut tirer de ces produits. Afin d’y parvenir, l’analyse suit des axes centrés sur le contenu et la complémentarité des ressources ainsi que sur les fonctionnalités proposées. Les résultats de ce travail peuvent alimenter une réflexion sur l’évolution de la bibliothéconomie et sa place dans le monde de la recherche et de l’enseignement. [less ▲]

Detailed reference viewed: 84 (31 ULg)