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See detailAn atomistic view of DNA dynamics and its interaction with small binders: insights from Molecular Dynamics and Principal Component Analysis
Fresch, Barbara ULg; Remacle, Françoise ULg

in Joachim, Christian (Ed.) Advances in Atom and Single Molecule Machines (in press)

DNA oligomers are promising building blocks for the development of bottom-up nano-devices and molecular logic machines. To control and exploit their unique capabilities of self-assembling and molecular ... [more ▼]

DNA oligomers are promising building blocks for the development of bottom-up nano-devices and molecular logic machines. To control and exploit their unique capabilities of self-assembling and molecular recognition a deep understanding of their dynamical properties is essential. We theoretically investigate the dynamics of a DNA dodecamer and its complexes with two common ligands, Hoechst33258 and the ethidium cation, by means of classical Molecular Dynamics (MD) simulations and Principal Component Analysis (PCA). We study the structural relation between the flexibility of the double helix and the binding process. The dynamics of a terminal base pair unbinding is also analysed as an example of process that involves multiple energy minima in the underlying free energy landscape. [less ▲]

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See detailUne tablette scolaire copte de Lecce : TUL inv. C 1
Carlig, Nathan ULg; Delattre, Alain

in Studi di Egittologia e di Papirologia (in press)

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See detailMesoporous amorphous tungsten oxide electrochromic films: a Raman analysis of their good switching behavior
Chatzikyriakou, Dafni ULg; Krins, Natacha ULg; Gilbert, Bernard ULg et al

in Electrochimica Acta (in press)

The intercalation and de-intercalation of lithium cations in electrochromic tungsten oxide thin films are significantly influenced by their structural and surface characteristics. In this study, we ... [more ▼]

The intercalation and de-intercalation of lithium cations in electrochromic tungsten oxide thin films are significantly influenced by their structural and surface characteristics. In this study, we prepared two types of amorphous films via the sol-gel technique: one dense and one mesoporous in order to compare their response upon lithium intercalation and de-intercalation. According to chronoamperometric measurements, Li+ intercalates/de-intercalates faster in the mesoporous film (24s/6s) than in the dense film (48s/10s). The electrochemical measurements (cyclic voltammetry and chronoamperometry) also showed worse reversibility for the dense film compared to the mesoporous film, giving rise to important Li+ trapping and remaining coloration of the film. Raman analysis showed that the mesoporous film provides more accessible and various W-O surface bonds for Li+ intercalation. On the contrary, in the first electrochemical insertion and de-insertion in the dense film, Li+ selectively reacts with a few surface W-O bonds and preferentially intercalates into pre-existing crystallites to form stable irreversible LixWO3 bronze. [less ▲]

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See detailPlaton néokantien
Dewalque, Arnaud ULg

Book published by Vrin (in press)

Recueil de textes des principaux philosophes néokantiens sur la théorie platonicienne des Idées (R. H. Lotze, H. Cohen, P. Natorp, W. Windelband, E. Lask, B. Bauch, R. Hönigswald).

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See detailLes maisons de Jeanne Susplugas
Bawin, Julie ULg

in Jeanne Susplugas (monographie) (in press)

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See detailAnalyse non destructive des pigments préhistoriques : du laboratoire à la grotte
Beck, Lucile; Lebon, Matthieu; Lahlil, Sophia et al

in Paléo (in press)

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See detailEl impacto de las migraciones cochabambinas en el marco de las transformaciones globales de las migraciones
Lafleur, Jean-Michel ULg; Ledo, Carmen; Yepez, Isabel

in Solé, Carlota; Parella, Sonia; Cavalcanti, Leonardo (Eds.) Migración boliviana y prácticas transnacionales (in press)

¿Donde se ubica Bolivia en los cambios migratorios de la era global caracterizados por sus vínculos transnacionales? Para responder esta pregunta, se investiga el caso de los emigrantes procedentes de la ... [more ▼]

¿Donde se ubica Bolivia en los cambios migratorios de la era global caracterizados por sus vínculos transnacionales? Para responder esta pregunta, se investiga el caso de los emigrantes procedentes de la ciudad de Cochabamba. En esta ciudad, en marzo del 2009 el CEPLAG-CIUF, realizamos una encuesta de gran amplitud con el propósito de entender las diversas facetas de las migraciones cochabambinas contemporáneas y determinar cómo estas se relacionan con las tendencias globales que acabamos de destacar . Los resultados de dicha encuesta son la base de este artículo. En vista de los requerimientos estadísticos y analíticos del estudio, para realizar la encuesta se visitaron alrededor de 40 mil predios y se encuestaron 15 400 mil hogares. Un tercio de los hogares encuestados declaró tener al menos un familiar en el extranjero. Estos hogares se denominan en este artículo “hogares transmigrantes”. [less ▲]

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See detailModes de lecture des Blattmasken dans la peinture murale romaine
Derwael, Stéphanie ULg

in Actes du XIIe colloque de l'Association Internationale pour l’étude de la Peinture Murale Antique (in press)

L’utilisation de la Blattmaske dans les décors pariétaux peints se fait selon diverses modalités. Pour en comprendre pleinement le sens, il convient de considérer le motif dans son contexte ornemental et ... [more ▼]

L’utilisation de la Blattmaske dans les décors pariétaux peints se fait selon diverses modalités. Pour en comprendre pleinement le sens, il convient de considérer le motif dans son contexte ornemental et architectural. Il s’agit tout d’abord de préciser le mode d’insertion des « têtes végétalisées » dans le reste de la décoration de la paroi. Car s’il est vrai qu’elles peuvent faire l’objet d’un jeu formel, elles ne doivent pas pour autant être considérées comme de purs éléments décoratifs. La mise en série dans des bandes « ornementales », l’isolement dans un cadre, ou encore le positionnement stratégique à un endroit clef d’une composition, accordent en effet au motif différents niveaux de lecture. L’analyse conjointe du décor ambiant permet par ailleurs de préciser davantage l’interprétation de l’image. Les Blattmasken se voient effectivement associées à différents motifs, parmi lesquels les êtres hybrides, ou encore les scènes marines ou dionysiaques. Enfin, il convient de préciser le contexte architectural dans lequel le motif est employé, la portée du message véhiculé par le programme décoratif dépendant de la fonction de la pièce et du bâtiment. [less ▲]

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See detailBlattmasken. Un motif iconographique mêlant frontalité et dynamisme végétal
Derwael, Stéphanie ULg

in Actes du colloque « Images Fixes/Images en mouvement » (in press)

Fixité et mouvement coexistent fréquemment dans l’imagerie antique. Les Blattmasken en sont la parfaite illustration, car ils se caractérisent à la fois par une frontalité presque exemplaire et par un ... [more ▼]

Fixité et mouvement coexistent fréquemment dans l’imagerie antique. Les Blattmasken en sont la parfaite illustration, car ils se caractérisent à la fois par une frontalité presque exemplaire et par un dynamisme végétal insufflé par les feuilles dont ils sont composés. Les quatre exemples choisis pour illustrer ce propos correspondent chacun à une formule particulière d’intégration des têtes végétalisées dans leur environnement immédiat. Celles-ci peuvent en effet être isolées de tout contexte végétal, intégrées dans un décor de rinceaux, ou encore structurellement liées à celui-ci en lui donnant naissance ou en émergeant de l’une de ses volutes. Cette forme de végétalisation de la figure humaine semble se rattacher à une hybridation plutôt qu’à une métamorphose. Cette fusion des règnes humain et végétal révèle une symbolique complexe qu’il conviendra de préciser. [less ▲]

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See detailWhen women support the patriarchal family. The dynamics of marriage in a Gécamines mining camp (Katanga province, DR Congo)
Rubbers, Benjamin ULg

in Journal of Historical Sociology (in press)

Based on ethnographic research among the ex-Gécamines workers of Panda (Likasi, DR Congo), this article studies the dynamics of the spousal relationship in a post-industrial context that has been long ... [more ▼]

Based on ethnographic research among the ex-Gécamines workers of Panda (Likasi, DR Congo), this article studies the dynamics of the spousal relationship in a post-industrial context that has been long characterized by paternalism. The results of this research suggest that, though men and women living in this mining community talk about their spousal relationships by invoking the ideal of Christian marriage promoted during the colonial period, in practice such relationships faced important changes following Congolese independence in 1960. The nationalization and subsequent dramatic decline of Gécamines caused changes which directly affected three central dimensions of the colonial family model, namely monogamy, the ideal of domesticity, and male authority. If men and women continue to reference this model, it is because, in times of growing poverty, it allows spouses to remind one other of their respective duties as docile housewives and responsible husbands, and to command respect as virtuous Christian families in the local community. [less ▲]

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See detailCultural Marxism in the Anglo-Saxon radical right literature
Jamin, Jérôme ULg

in Jackson, Paul (Ed.) The Postwar Anglo-American Far Right: A Special Relationship of Hate (in press)

This chapter will analyze the place of the threat alleged of Cultural Marxism in the discourse of the radical and extreme right, in the United States as well as in continental Europe and the United ... [more ▼]

This chapter will analyze the place of the threat alleged of Cultural Marxism in the discourse of the radical and extreme right, in the United States as well as in continental Europe and the United Kingdom. The underlying aim of this chapter is to examine the determinant role that this ‘threat’ plays in the Anglo Saxon extreme right, in particular at the intellectual, ideological and doctrinal levels, in comparison to other countries. Certainly if the Netherlands, France or other countries have parties or political groups which borrow the rhetoric of ‘fighting’ against Cultural Marxism, or its more nebulous variant, ‘political correctness’, it certainly finds its origins in the United States, and more broadly the Anglo-Saxon world. To achieve this, the chapter will begin by unpicking the meanings behind the notion of Cultural Marxism, from its origins to its use in Anders Breivik’s manifesto released shortly before the Oslo and UtØya massacres. It will show that the term emerged from the literature of American ultraconservatives following the fall of the Berlin Wall as a consequence of the disappearance of the ‘red menace’ of Communism. Secondly, it will focus on two important moments in the development of the term. It will describe the phrase’s usage from the beginning of the 2000s within the discourse of Pat Buchanan, a political commentator and multiple U.S. presidential candidate. Then it will illustrate the re-emergence of the term some 10 years later, in the manifesto of Anders Breivik and in the subsequent justification of his acts throughout his trial. In both cases, we will see that Buchanan and Breivik emphasize the same basic theme, Cultural Marxism, in their denouncement of what they see as two different threats. Finally, from these explorations of the usage of the term, the discussion will examine other current uses of the notion of ‘Cultural Marxism’ in the British and American radical right. To conclude, it will show how the ‘Cultural Marxism’ threats are used by a variety of activists to argue for the defence of their political standpoints, setting this in a language of preserving freedom and democracy, but ultimately only within a framework designed to defend Judeo-Christian values. [less ▲]

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See detailUna nazione ricostruita: musica e feste delle confraternite tedesche e fiamminghe a Roma
Corswarem, Emilie ULg

in Goulet, Anne-Madelaine; zur Nieden (Eds.) Europäische Musiker in Venedig, Rom, und Neapel. 1650-1750 (in press)

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See detailInstitutional Investors, Information Asymmetry, Stock Market Liquidity
Sougné, Danielle ULg; Aymen, Ajina; Faten, Lakhal

in International Journal of Managerial Finance (in press), 11

Purpose. The purpose of this study is to examine the effect of institutional investors ownership and activism on information asymmetry and stock market liquidity in France. Design/methodology/approach ... [more ▼]

Purpose. The purpose of this study is to examine the effect of institutional investors ownership and activism on information asymmetry and stock market liquidity in France. Design/methodology/approach. Our sample includes 162 French-listed firms over a period ranging from 2007 to 2009. Our methodology relies on linear regressions using the method of ordinary least square(OLS). Befor examining the interaction between liquidity and institutional investors, we check for the existence of the endogeneity problem by applying the Durbin-Wu_Hausman test of Davidson and MacKinnon (1993). The results of the endogeneity test show that institutional investor ownership and stock liquidity are endogenous. A simultaneous equation model using the second least square method is then tested to address this problem. Findings The findings show that the proportion of institutional investors has a positive and significant effect on stock-market liquidity, which confirms the signal theory and trading hypothesis. These investors perform high trading activity which favourably affect market liquidity. The results suggests that pension funds manage huge assets decreasing transaction costs and improving liquidity. They display a positive signal to the market about more transparency and a low level of information asymmetry.These results highlight the institutional investors'role in defining the level of liquidity of assets on the French market. Our findings also stress the importance of developing institutional investors'demand for the Paris market in order to better assess firms'values, protect minority ownership and improve market liquidity. Originality/Value In the French institutional setting, institutional investors act as a control device since minority shareholder interests are less protected than in Anglo-American counterparts. This result highlights the significant rôle of institional investors in corporate governance structures and a finacila markets. Their prsence is a guarantee for minority interest protection and for improving market liquidity. [less ▲]

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See detailUsefulness of ultrasonography of deep cervical lymph nodes in diagnosis of neoplastic disease in horses
Evrard, Laurence ULg; Fonseca, Rita; Bolen, Géraldine ULg et al

in Veterinary Radiology & Ultrasound (in press)

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See detailLangue, identité et autorité : pour une histoire des débats langagiers idéologiques en Louisiane
Urbain, Emilie ULg

in Carnets d’Ateliers de Sociolinguistique (in press)

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See detailCan Lignin Wastes Originating From Cellulosic Ethanol Biorefineries Act as Radical Scavenging Agents?
Vanderghem, Caroline ULg; Jacquet, Nicolas ULg; Richel, Aurore ULg

in Australian Journal of Chemistry (in press)

Lignin is a co-product from the biorefinery and paper industry. Its non-energetic valorization remains a field of extensive R&D developments. In this perspective, this study is undertaken to evaluate the ... [more ▼]

Lignin is a co-product from the biorefinery and paper industry. Its non-energetic valorization remains a field of extensive R&D developments. In this perspective, this study is undertaken to evaluate the radical scavenging ability of some herbaceous lignins. These lignins, extracted from Miscanthus (Miscanthus x giganteus) or Switchgrass (Panicum Virgatum L.), are selected as benchmarks for this study as a function of their chemical structure and average molecular weight. These technical lignins, side-products in the bioethanol production process, are found to display a moderate antioxidant activity as evaluated by the DPPH (1,1-diphenyl-2-picrylhydrazil) free radical scavenging test system. A correlation between the radical scavenging properties and the molecular features is proposed and discussed. Infrared spectroscopy is evaluated as a straightforward qualitative prediction tool for the radical scavenging capacity. [less ▲]

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See detailDominant amphipods of Posidonia oceanica seagrass meadows display considerable trophic diversity
Michel, Loïc ULg; Dauby, Patrick ULg; Gobert, Sylvie ULg et al

in Marine Ecology (in press)

Gut content examination and trophic markers (fatty acids, stables isotopes of C and N) were combined to delineate the diet of the dominant species of amphipods from Mediterranean Posidonia oceanica ... [more ▼]

Gut content examination and trophic markers (fatty acids, stables isotopes of C and N) were combined to delineate the diet of the dominant species of amphipods from Mediterranean Posidonia oceanica seagrass meadows and to highlight trophic diversity among this community. Our results indicate that, although all dominant species heavily relied on macroalgal epiphytes, considerable interspecific dietary differences existed. Carbon stable isotope ratios notably showed that some of the amphipod species favored grazing on epiphytes from leaves or litter fragments (Apherusa chiereghinii, Aora spinicornis, Gammarus aequicauda), while others like Dexamine spiniventris preferred epiphytes from rhizomes. The remaining amphipods (Caprella acanthifera, Ampithoe helleri and Gammarella fucicola) readily consumed both groups. In addition, SIAR modeling suggested that most species had a mixed diet, and relied on several food items. Fatty acid analysis and gut contents revealed that contribution of microepiphytic diatoms and of benthic and suspended particulate organic matter to the diet of amphipods were anecdotal. None of the examined species seemed to graze on their seagrass host (low 18:2(n-6) and 18:3(n-3) fatty acids contents), but G. aequicauda partly relied on seagrass leaf detritus, as demonstrated by the lesser 13C-depletion of their tissues. Overall, our findings suggest that amphipods, because of their importance in transfers of organic matter from primary producers and detritus to higher rank consumers, are key-items in P. oceanica associated food webs. [less ▲]

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See detailDes Blattmasken dans la Rome carolingienne. Entre remploi et imitation
Derwael, Stéphanie ULg

in Actes du IXe Congrès de l’Association des Cercles francophones d’Histoire et d’Archéologie de Belgique (in press)

La Blattmaske ou tête végétalisée est un motif romain apparu au Ier siècle apr. J.-C. Elle ne cessa d’être utilisée dans l’univers des formes , et donc de se renouveler. Mais il est un milieu qui ... [more ▼]

La Blattmaske ou tête végétalisée est un motif romain apparu au Ier siècle apr. J.-C. Elle ne cessa d’être utilisée dans l’univers des formes , et donc de se renouveler. Mais il est un milieu qui constitue un jalon important dans l’histoire de son utilisation : la Rome de l’époque carolingienne. Après une rupture de près de quatre siècles dans la mise en oeuvre italique du motif, le remploi de fragments du temple de Sol Invictus semble en effet être à l’origine d’un certain regain d’intérêt pour le sujet dans des églises romaines du IXe siècle. Bien qu’il ne soit pas toujours aisé de distinguer des originaux antiques spoliés, parfois retravaillés, de créations médiévales, l’examen des fragments et de leur contexte permet de préciser leur origine et leur signification. [less ▲]

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