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See detailLa traduction dans le domaine hagiographique médiolatin : l’apport de la linguistique quantitative
Philippart de Foy, Caroline ULg

in Rursus [en ligne], 9 (in press)

Au fil des siècles, le corpus latin des vitae sanctorum et des passiones martyrum s’est enrichi par l’introduction de nouveaux textes, par la réécriture et l’adaptation d’anciens remis au goût du jour ... [more ▼]

Au fil des siècles, le corpus latin des vitae sanctorum et des passiones martyrum s’est enrichi par l’introduction de nouveaux textes, par la réécriture et l’adaptation d’anciens remis au goût du jour, ainsi que par la traduction d’oeuvres issues du monde byzantin. Le phénomène de la réécriture hagiographique est bien connu et a fait l’objet de nombreux travaux. Celui de la traduction dans ce domaine reste en revanche peu exploité, tant il existe d’obstacles à son étude (absence de répertoire, manque d’éditions critiques, difficultés à identifier les traductions et les modèles grecs, etc.). Le présent travail propose une approche originale du phénomène, basée sur l’utilisation de la statistique linguistique. Cette approche consiste à étudier le latin utilisé par les traducteurs hagiographes pour rendre leur modèle grec et les techniques qu’ils ont adoptées pour le traduire en considérant les traductions non pas une à une, mais d’une manière comparative au moyen de l’analyse quantitative, dans le but de caractériser et de classer les traductions sur base de critères linguistiques, d’identifier et de qualifier des pratiques, des traditions localisées, des spécificités d’école ou de traducteur. La pratique de la traduction est examinée à travers un corpus de 35 textes représentatif des différentes phases de l’histoire de la traduction hagiographique latine au Moyen Âge et des différents foyers de traduction en Italie. Les analyses sont menées sur divers paramètres lexicaux et syntaxiques, en comparant d’abord le corpus, pris dans son ensemble, à un corpus de textes non traduits, puis en comparant entre eux les différents sous-corpus de traductions. Le premier type de comparaison (externe) a pour objectif de mettre en évidence les caractéristiques des traductions en général, le second (interne) de dégager les spécificités de chaque groupe de traductions. [less ▲]

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See detailUnilateral contact condition enhanced with squeeze film modelling in automotive differentials
Virlez, Geoffrey; Bruls, Olivier ULg; Duysinx, Pierre ULg et al

in Proceedings of the Institution of Mechanical Engineers - Part C - Journal of Mechanical Engineering Science (in press)

The dynamic behaviour of automotive drivetrains is significantly influenced by contacts occurring between the various parts. In this paper, a three-dimensional formulation is proposed to model unilateral ... [more ▼]

The dynamic behaviour of automotive drivetrains is significantly influenced by contacts occurring between the various parts. In this paper, a three-dimensional formulation is proposed to model unilateral and frictional contact conditions between two rigid planar rings. The magnitude of the contact force is determined by a penalty method. In a second step, a simple squeeze film model is developed to account for the damping effect produced by the lubricating oil filling the gap between the two contacting bodies. The relevance and the accuracy of these models are illustrated through the global multibody modelling of a TORSEN differential. [less ▲]

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See detailPilgrimage Certificates from the Mamluk Period: New Data
Bauden, Frédéric ULg

in Bulletin of the School of Oriental and African Studies (in press)

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See detailOn the identification of paedomorphic and overwintering larval newts based on cloacal shape: review and guidelines
Denoël, Mathieu ULg

in Current Zoology (in press)

Paedomorphosis is an alternative process to metamorphosis in which adults retain larval traits at the adult stage. It is frequent in newts and salamanders, where larvae reach sexual maturity without ... [more ▼]

Paedomorphosis is an alternative process to metamorphosis in which adults retain larval traits at the adult stage. It is frequent in newts and salamanders, where larvae reach sexual maturity without losing their gills. However, in some populations, larvae overwinter in water, while remaining immature. These alternative ontogenetic processes are of particular interest in various research fields, but have different causes and consequences, as only paedomorphosis allows metamorphosis to be bypassed before maturity. It is thus relevant to efficiently identify paedomorphs versus overwintering larvae. In this context, the aim of this paper was threefold: firstly, to perform a meta-analysis of the identification procedures carried out in the literature; secondly, to determine the effectiveness of body size to make inferences about adulthood by surveying natural newt populations of Lissotriton helveticus and Ichthyosaura alpestris, and thirdly, to propose easy guidelines for an accurate distinction between large larvae and paedomorphs based on an external sexual trait, which is essential for reproduction — the cloaca. More than half of the studies in the literature do not mention the diagnostic criteria used for determining adulthood. The criteria mentioned were the presence of mature gonads (10%), eggs laid (4%), courtship behaviour (10%), and external morphological sexual traits (39%) including the cloaca (24%). Body-size thresholds should not be used as a proxy for paedomorphosis, because overwintering larvae can reach a larger size than paedomorphs within the same populations. In contrast, diagnosis based on cloacal external morphology is recommended, as it can be processed by the rapid visual assessment of all caught specimens, thus providing straightforward data at the individual level for both sexes. [less ▲]

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See detailNeeds-Supplies Fit and Behavioral Outcomes: The Mediating Role of Organizational Identification
Travaglianti, Fabrice ULg; Babic, Audrey ULg; Pepermans, Roland et al

in Journal of Management & Organization (in press)

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See detailRelationship between thiamine and subacute ruminal acidosis induced by a high-gran diet in dairy cows
Pan, Xiaohua; Yang, L.; Xue, F.G. et al

in Journal of Dairy Science (in press)

Two experiments were conducted to reveal the effects of grain-induced subacute rumen acidosis (SARA) on thiamine status in blood and rumen fluid in dairy cows. In both experiments, 6 multiparous, rumen ... [more ▼]

Two experiments were conducted to reveal the effects of grain-induced subacute rumen acidosis (SARA) on thiamine status in blood and rumen fluid in dairy cows. In both experiments, 6 multiparous, rumen-fistulated Holstein dairy cows were used in a 2-treatment, 2-period crossover design. Each experimental period consisted of 21 d (total of 42 d). Experiment 1 was to investigate the effects of SARA on thiamine status in blood and rumen fluid. Treatments were either control (20% starch, dry matter basis) or SARA-inducing diet (SAID, 33.2% starch, dry matter basis). In experiment 2, the effects of dietary thiamine supplementation on attenuating SARA and ruminal fermentation characteristics in dairy cows were studied. All cows received the same SAID diet during the whole experimental period; treatments were with or without thiamine (180 mg of thiamine/kg of dry matter intake). In both experiments, rumen fluid samples were collected at 0, 3, 6, 9, and 12 h after morning feeding on d 21 and 42 of the experiments for measurement of pH, thiamine, volatile fatty acid, and lactate contents. Peripheral blood was also collected at 3 h after morning feeding on d 21 and 42 to measure thiamine, carbohydrate metabolites, and enzyme activities. In experiment 1, cows fed the SAID diet had lower ruminal and plasma thiamine concentrations and higher lactate than cows fed the control diet. The ruminal thiamine contents were positively related to pH and the concentrations of acetate in the rumen, and negatively correlated with the lactate contents. Experiment 2 demonstrated that ruminal pH and the concentrations of thiamine, acetate, and total volatile fatty acids in the rumen were increased, whereas ruminal lactate contents were reduced by thiamine supplementation. The concentrations of lactate and the activity of lactate dehydrogenase in blood were reduced in the thiamine supplemented group, and the opposite was true for the nonesterified fatty acids and α-ketoneglutarate dehydrogenase contents. In conclusion, the thiamine status was affected by SARA in dairy cows and ruminal infusion of thiamine could helpattenuate SARA by improving the proportions of ruminal volatile fatty acids and reducing lactate contents in rumen fluid and blood. [less ▲]

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See detailThe Science, development, and commercialization of postharvest biocontrol products
Droby, Samir; Wisniewski, Michael; Teixido, Neus et al

in Postharvest Biology & Technology (in press)

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See detailSur Capitalisme, désir et servitude. Lettre à Frédéric Lordon
Pieron, Julien ULg

in Dissensus (in press), 6(printemps 2014),

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See detailFrom mechanical to chemical impact of anchoring in seagrasses: the premises of anthropogenic patch generation in Posidonia oceanica meadows
Abadie, Arnaud ULg; Lejeune, Pierre; Pergent, Gérard et al

in Marine Pollution Bulletin (in press)

Intensive anchoring of leisure boats in seagrass meadows leads to mechanical damages. This anthropogenic impact creates bare mat patches that are not easily recolonized by the plant. Several tools are ... [more ▼]

Intensive anchoring of leisure boats in seagrass meadows leads to mechanical damages. This anthropogenic impact creates bare mat patches that are not easily recolonized by the plant. Several tools are used to study human impacts on the structure of seagrass meadows but they are not able to assess the indirect and long term implication of mechanical destruction. We chose to investigate the possible changes in the substrate chemistry given contrasted boat impacts. Our observations show that hydrogen sulfide concentrations remain high at 15 and 20 m depth (42.6 µM and 18.8 µM) several months after the highest period of anchoring during the summer. Moreover, our multidisciplinary study reveals that anchoring impacts of large boats at 15 and 20 m depth can potentially change the seascape structure. By taking into account both structural and chemical assessments, different managing strategies must be applied for coastal areas under anthropogenic pressures. [less ▲]

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See detailLes troubles du sommeil chez l'enfant autiste, quel rôle pour le pédopsychiatre?
Abate Ekollo, Joëlle; Malchair, Alain ULg

in Acta Psychiatrica Belgica (in press)

Les troubles du sommeil sont fréquents chez l’enfant et leurs origines sont diverses. Ces troubles ont leur ancrage dans le développement neurophysiologique et psychoaffectif de l’enfant. Les enfants ... [more ▼]

Les troubles du sommeil sont fréquents chez l’enfant et leurs origines sont diverses. Ces troubles ont leur ancrage dans le développement neurophysiologique et psychoaffectif de l’enfant. Les enfants souffrant de troubles du spectre autistique présentent un déficit de sommeil, qui peut durer jusqu’à l’adolescence. Les troubles du spectre autistique comportent des comorbidités multiples, dont des altérations du sommeil. Ils sont importants à caractériser dans cette population, car ils peuvent avoir un impact négatif sur les comportements diurnes. Par ailleurs, ils entrainent souvent des difficultés au sein de la famille. La prise en charge doit avant tout prendre en compte le contexte environnemental afin d’améliorer les habitudes et l’hygiène du sommeil. Des questionnaires ainsi que des agendas de sommeil ont été remplis par des parents afin de démontrer l’importance d’une évaluation et d’une prise en compte des troubles du sommeil chez les enfants souffrant d’autisme en consultation pédopsychiatrique. [less ▲]

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See detailNon-homogeneous Beatty sequences leading to invariant games
Cassaigne, Julien; Duchêne, Eric; Rigo, Michel ULg

in SIAM Journal on Discrete Mathematics (in press)

We characterize pairs of complementary non-homogeneous Beatty sequences $(A_n)_{n>0}$ and $(B_n)_{n>0}$, with the restriction $A_1=1$ and $B_1\geq 3$, for which there exists an invariant take-away game ... [more ▼]

We characterize pairs of complementary non-homogeneous Beatty sequences $(A_n)_{n>0}$ and $(B_n)_{n>0}$, with the restriction $A_1=1$ and $B_1\geq 3$, for which there exists an invariant take-away game having $\{(A_n,B_n),(B_n,A_n)\mid n> 0\}\cup\{(0,0)\}$ as set of $P$-positions. Using the notion of Sturmian word arising in combinatorics on words, this characterization can be translated into a decision procedure relying only on a few algebraic tests about algebraicity or rational independence. This work partially answers to a question of Larsson et al. raised in Larsson et al. [less ▲]

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See detailLevallois et Gravettien
Otte, Marcel ULg; Noiret, Pierre ULg

in Praehistoria (in press)

Par opposition à ceux de l’Aurignacien, les ensembles lithiques gravettiens procèdent selon une méthode rappelant le Levallois quant à la préparation des supports. Mais les variations observables au sein ... [more ▼]

Par opposition à ceux de l’Aurignacien, les ensembles lithiques gravettiens procèdent selon une méthode rappelant le Levallois quant à la préparation des supports. Mais les variations observables au sein du Gravettien touchent autant les processus de symbolisation dans l’art et les sépultures. Elles affectent différents substrats eurasiatiques, plutôt septentrionaux, comme mis en réserve dès les Néandertaliens. [less ▲]

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See detailRare earth elements dynamics along pedogenesis in a chronosequence of podzolic soils
Vermeire, Marie-Liesse; Cornu, Sophie; Fekiacova, Zuzana et al

in Chemical Geology (in press)

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See detailRéduire l’altérité au travers des processus de traduction et de représentation
Leclercq, Bruno ULg; Smette, Bernard ULg

in Doctorales. Revue LLA-SHS de Montpellier (in press)

WVO Quine questions the « myth » of an ideal realm of shared meanings which every national language would express in its own way. Against the hope of transparent translations, he insists on the necessity ... [more ▼]

WVO Quine questions the « myth » of an ideal realm of shared meanings which every national language would express in its own way. Against the hope of transparent translations, he insists on the necessity for building equivalences from one language to another through a strategy of reducing the differences in rationality among nations as much as possible. According to Quine, otherness is not insuperable impediment to meeting/encounter and mutual understanding ; by throwing our conceptual schemes on the other communities’ uses/practices – which of course involves some symbolic violence – gaps can always been narrowed. Similarly E. Laclau questions the traditional conception of political representation, which is seen as the transparent process of transmitting someone’s will or interests on another level. For this ideal conception of representation, Laclau substitutes a pragmatic conception which takes in account the irreducible gap between the actors as well as the constitutive opacity of the process of representation : the subject’s will is constituted within the process of representation and through the representative’s productive role. In order to be transposed at the decision-making level, the subject’s interests must be translated by the representative as well as be negotiated with the other represented interests. This implies that the initial will undergoes some identity transformations. [less ▲]

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See detailA framework to identify housing location patterns using profile Hidden Markov Models
Saadi, Ismaïl ULg; Liu, Feng; El Saeid Mustafa, Ahmed Mohamed ULg et al

in Advanced Science Letters (in press)

The determination of comprehensive activity-travel patterns is important in the context of agent-based micro-simulation modelling. This paper presents an improved method based on profile Hidden Markov ... [more ▼]

The determination of comprehensive activity-travel patterns is important in the context of agent-based micro-simulation modelling. This paper presents an improved method based on profile Hidden Markov Models (pHMMs) able to include information related to the agents’ residential locations. As proposed in the framework of Liu et al. (2015), pHMMs only characterize activity-travel patterns from the activity sequences perspective. In this context, information related to the primary activity locations (e.g. home, work) is not available and, as a result, it cannot be extracted from the pHMMs themselves. With respect to this limitation, we propose to apply the framework of Liu et al. (2015) with an extension to include characterization of residential locations. Following the established guidelines, the activity sequences and their related residential locations are extracted from the activity-travel diaries in order to estimate the regularity of the activities as well as their sequential order. Subsequently, within each residential activity, we include a categorization at an aggregate level (provinces). The methodology is powerful as it characterizes any length of sequence, allowing the generation of unlimited agent plans with information about residential location. Regarding data collection, the activity-travel diaries are provided by the Belgian Household Daily Travel Survey (2010). The results obtained after the simulations indicate a good match between the predicted and observed residential locations at both the national and provincial levels. [less ▲]

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See detailContribution à un lexique épigraphique: "deltographéma"
Famerie, Etienne ULg

in Zeitschrift für Papyrologie und Epigraphik (in press)

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See detailThe need for predictive, prognostic, objective and complementary blood-based biomarkers in osteoarthritis (OA)
Bay-Jensen, Anne-Christine; Henrotin, Yves ULg; Karsdal, Morten et al

in Ebiomedicine (in press)

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See detailRwanda. À travers nous l'humanité de Marie-France Collard : Du théâtre au documentaire
Jousten, Lison ULg

in En jeu. Histoire et mémoires vivantes (in press)

Rwanda. Through us, humanity (2005), a movie by Marie-France Collard, follows on from the play Rwanda 94, a project in which she tool part as a author and videographer. Showcased in 2000, the play arises ... [more ▼]

Rwanda. Through us, humanity (2005), a movie by Marie-France Collard, follows on from the play Rwanda 94, a project in which she tool part as a author and videographer. Showcased in 2000, the play arises questions about memory, representation, and commitment. The documentary was carried out during artist collective Groupov's tour in Kigaly on the occasion of the commemoration of the genocide's tenth anniversary. It brings those topics up again, gets back to the reception of the play by the Rwandan audience and, in a broader way, to a country in mourning. [less ▲]

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See detailCultural Marxism : A Survey
Jamin, Jérôme ULg

in Religion Compass (in press)

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See detailA Quantitative Doignon-Bell-Scarf theorem
Aliev, Iskander; Bassett, Robert; De Loera, Jesus et al

in Combinatorica (in press)

The famous Doignon-Bell-Scarf theorem is a Helly-type result about the existence of integer solutions to systems of linear inequalities. The purpose of this paper is to present the following quantitative ... [more ▼]

The famous Doignon-Bell-Scarf theorem is a Helly-type result about the existence of integer solutions to systems of linear inequalities. The purpose of this paper is to present the following quantitative generalization: Given an integer k, we prove that there exists a constant c(n,k), depending only on the dimension n and on the number k, such that if a bounded polyhedron {x in R^n : Ax <= b} contains exactly k integer points, then there exists a subset of the rows, of cardinality no more than c(n,k), defining a polyhedron that contains exactly the same k integer points. In this case c(n,0)=2^n as in the original case of Doignon-Bell-Scarf for infeasible systems of inequalities. We work on both upper and lower bounds for the constant c(n,k) and discuss some consequences, including a Clarkson-style algorithm to find the l-th best solution of an integer program with respect to the ordering induced by the objective function. [less ▲]

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See detailLa "République" de Platon : une leçon de pratique politique ?
Gavray, Marc-Antoine ULg

in Revue Philosophique de Louvain (in press), 115(1),

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See detailL'espace transitionnel winnicotien et l'_Urraum_ kantien
Seba, Jean-Renaud ULg

in Revista Natureza Humana (in press)

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See detailLes Trois Trois Petits Cochons et le Grand Méchant Loup. La rencontre de deux archétypes
Jousten, Lison ULg

in La revue des lettres modernes (in press)

Image de la menace par excellence, le Grand Méchant Loup est un adversaire dont on ne compte plus les apparitions, notamment dans les fictions destinées au jeune public. Dans Les Trois Petits Cochons, qui ... [more ▼]

Image de la menace par excellence, le Grand Méchant Loup est un adversaire dont on ne compte plus les apparitions, notamment dans les fictions destinées au jeune public. Dans Les Trois Petits Cochons, qui s’impose comme cas d’école parmi ces récits où surgit l’animal redouté, le loup devient l’ennemi du cochon, une créature traditionnellement associée à l’enfance. Ce tandem, qui repose sur un principe général d’opposition, brasse avec lui une série de représentations qui transparaissent en filigrane. Le détour opéré par l’histoire culturelle du cochon et quelques-uns de ses prolongements cinématographiques permet de dessiner progressivement les contours de la place occupée par le loup dans ce conte. [less ▲]

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See detailOutplacement adequacy and benefits: The mediating role of overall justice.
Marzucco, Laurence ULg; Hansez, Isabelle ULg

in Journal of Employment Counseling (in press)

Despite a rapid growth and an ongoing need for outplacement services, little is yet known about the perceived adequacy and benefits of these services for redundant employees using them. We surveyed 360 ... [more ▼]

Despite a rapid growth and an ongoing need for outplacement services, little is yet known about the perceived adequacy and benefits of these services for redundant employees using them. We surveyed 360 Belgian redundant employees (i.e., clients) using outplacement services provided by a public employment agency. The results indicate that an outplacement experience perceived as adequate for clients fosters their overall impressions of justice towards the dismissing organization; this leads in turn to benefits for them: reduction of negative emotions, enhancement of their perceived well-being, future perspectives, and job-seeking activities - confirming the mediating role of overall justice. [less ▲]

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See detailThe “Tuchlein” Colours in the Strasbourg Family Text: Recipes for Anthocyanin Pigments
Neven, Sylvie ULg; Sanyova, Jana

in Dyes in History and Archaeology (in press)

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See detailMontage et résistance du réel chez S. Kracauer: Photographie, cinéma, texte.
Hagelstein, Maud ULg; Hamers, Jérémy ULg

in Bulletin d'Analyse Phénoménologique (in press)

Partant de quelques textes dans lesquels S. Kracauer traite du rapport entre montage et réel, cet article tente de préciser et de problématiser l’ambivalence de Kracauer à l’égard de l’outil « montage » ... [more ▼]

Partant de quelques textes dans lesquels S. Kracauer traite du rapport entre montage et réel, cet article tente de préciser et de problématiser l’ambivalence de Kracauer à l’égard de l’outil « montage », notamment dans le champ cinématographique, en ouvrant la réflexion par cette double question : comment définir un « mauvais usage » du montage et, à l’opposé, comment peuvent se mettre en place les conditions d’un « bon usage » du montage selon Kracauer ? Pour y répondre, les auteurs identifient d'abord, dans l’œuvre de Kracauer, les éléments explicites et implicites (montage textuel) qui permettent de saisir au plus près ce que serait, selon le philosophe et sociologue, le principe de réalité. Ensuite, une œuvre photographique, contemporaine des quelques textes évoqués, Menschen des 20. Jahrhunderts d’August Sander, permet de mieux circonscrire les possibles concrétisations de cette pensée en la mettant à l’épreuve d’une réalisation en images et en montage. [less ▲]

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See detailParentification and related processes: distinction and implications for clinical practice
Haxhe, Stéphanie ULg

in Journal of Family Psychotherapy (in press)

With the emergence of what we call « new families », the place and the role of the child are increasingly questioned. If a child helps a parent or takes care of them, the terms “parentified child” ... [more ▼]

With the emergence of what we call « new families », the place and the role of the child are increasingly questioned. If a child helps a parent or takes care of them, the terms “parentified child”, “parental child” or “adult child” are used equally. However, these concepts hide different processes that have different impacts on the child’s development. In the present article, based on our doctoral research and clinical practice experience, we will try to make the distinction between these concepts and to illustrate them. We are convinced that by a better identification of each process, we can help therapists and social workers in their interventions with children and their families. [less ▲]

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See detailCritique du capitalisme néolibéral et travail rhétorique chez Frédéric Lordon : un discours d’affectation.
Provenzano, François ULg; Janvier, Antoine ULg

in Dissensus (in press)

Les ouvrages de Frédéric Lordon ont offert ces dernières années un éclairage nouveau des mécanismes de la finance et du capitalisme en régime néolibéral, en vertu de la place centrale qu’ils accordent aux ... [more ▼]

Les ouvrages de Frédéric Lordon ont offert ces dernières années un éclairage nouveau des mécanismes de la finance et du capitalisme en régime néolibéral, en vertu de la place centrale qu’ils accordent aux affects. Il est frappant que cette entreprise – qui est triple: analyse de la finance, analyse du capitalisme, analyse de la domination – soit doublée d’une attention portée au discours même qui la développe. On peut repérer une telle attention dans la pluralité des genres de discours qu’investit Frédéric Lordon : ouvrages « savants » ou « universitaires », mais aussi courts essais engagés aux éditions Raisons d’agir, articles de presse dans Le Monde Diplomatique notamment, tenue du blog « La pompe à phynance » sur le site du même journal, et même pièce de théâtre récemment adaptée au cinéma, D’un retournement l’autre. Comédie sérieuse sur la crise financière. En quatre actes, et en alexandrins . Diversité de genre entre les différents types de textes, donc. Diversité interne à chacun de ces textes, aussi : le lecteur de Frédéric Lordon se trouve toujours à cheval sur plusieurs codes rhétoriques dont joue l’auteur dans un même ouvrage. On pourrait bien sûr tenir cette double diversité pour la simple conséquence du talent d’écriture de Lordon, ou d’un plaisir pris par l’auteur à jouer du langage et des ethos qu’il construit. Le présent article propose au contraire de considérer cette diversité comme le résultat d’un véritable travail sur les modalités rhétoriques du discours critique sur le capitalisme financiarisé, qu’il faut articuler aux principaux postulats de sa théorie sociale. L’hypothèse défendue sera, précisément, de considérer qu’il y a une construction rhétorique qui participe de l’entreprise critique et, du même coup, qui s’inscrit comme un geste politique dans une « société des affects ». [less ▲]

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See detailA large strain hyperelastic viscoelastic-viscoplastic-damage constitutive model based on a multi-mechanism non-local damage continuum for amorphous glassy polymers
Nguyen, Van Dung ULg; Lani, Frédéric; Pardoen, Thomas et al

in International Journal of Solids and Structures (in press)

A large strain hyperelastic phenomenological constitutive model is proposed to model the highly nonlinear, rate-dependent mechanical behavior of amorphous glassy polymers under isothermal conditions. A ... [more ▼]

A large strain hyperelastic phenomenological constitutive model is proposed to model the highly nonlinear, rate-dependent mechanical behavior of amorphous glassy polymers under isothermal conditions. A corotational formulation is used through the total Lagrange formalism. At small strains, the viscoelastic behavior is captured using the generalized Maxwell model. At large strains beyond a viscoelastic limit characterized by a pressure-sensitive yield function, which is extended from the Drucker-Prager one, a viscoplastic region follows. The viscoplastic flow is governed by a non-associated Perzyna-type flow rule incorporating this pressure-sensitive yield function and a quadratic flow potential in order to capture the volumetric deformation during the plastic process. The stress reduction phenomena arising from the post-peak plateau and during the failure stage are considered in the context of a continuum damage mechanics approach. The post-peak softening is modeled by an internal scalar, so-called softening variable, whose evolution is governed by a saturation law. When the softening variable is saturated, the rehardening stage is naturally obtained since the isotropic and kinematic hardening phenomena are still developing. Beyond the onset of failure characterized by a pressure-sensitive failure criterion, the damage process leading to the total failure is controlled by a second internal scalar, so-called failure variable. The final failure occurs when the failure variable reaches its critical value. To avoid the loss of solution uniqueness when dealing with the continuum damage mechanics formalism, a non-local implicit gradient formulation is used for both the softening and failure variables, leading to a multi-mechanism non-local damage continuum. The pressure sensitivity considered in both the yield and failure conditions allows for the distinction under compression and tension loading conditions. It is shown through experimental comparisons that the proposed constitutive model has the ability to capture the complex behavior of amorphous glassy polymers, including their failure. [less ▲]

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See detailThe Poetics of (In)visibility: A Stylistic Analysis of Caryl Phillips's Foreigners: Three English Lives
Tunca, Daria ULg

in Ariel : A Review of International English Literature (in press)

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See detailPotential of copper-tolerant grasses to implement phytostabilisation strategies on polluted soils in South D. R. Congo: Poaceae candidates for phytostabilisation
Boisson, Sylvain ULg; Le Stradic, Soizig ULg; Collignon, Julien et al

in Environmental Science and Pollution Research (in press)

Phytostabilisation (i.e. using plants to immobilise contaminants) represents a well-known technology to hamper heavy metal spread across landscapes. In Katanga (D. R. Congo), Microchloa altera, a tolerant ... [more ▼]

Phytostabilisation (i.e. using plants to immobilise contaminants) represents a well-known technology to hamper heavy metal spread across landscapes. In Katanga (D. R. Congo), Microchloa altera, a tolerant grass from the copper hills, was recently identified as a candidate species to stabilise copper in the soil. More than 50 grasses compose this flora, which may be studied to implement phytostabilisation strategies. However, little is known about their phenology, tolerance, reproductive strategy or demography. The present study aims to characterize the other Poaceae that may be used in phytostabilisation purposes based on the following criteria: their ecological distribution, seed production at two times, abundance, soil coverage and the germination percentage of their seeds. We selected seven perennial Poaceae that occur on the copper hills. Their ecological distributions (i.e. species response curves) have been modelled along copper or cobalt gradients with generalized additive models using logic link based on 172 presence/absence samples on three sites. For other variables, a total of 69 quadrats (1 m2) were randomly placed across three sites and habitats. For each species, we compared the number of inflorescence-bearing stems (IBS) by plot, the percentage of cover, the number of seeds by IBS and the estimated number of seeds by plot between sites and habitat. Three species (Andropogon schirensis, Eragrostis racemosa and Loudetia simplex) were very interesting for phytostabilisation programs. They produced a large quantity of seeds and had the highest percentage of cover. However, A. schirensis and L. simplex presented significant variations in the number of seeds and the percentage of cover according to site. [less ▲]

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See detailOn the finiteness of the weighted likelihood estimator of ability
Magis, David ULg; Verhelst, Norman

in Psychometrika (in press)

The purpose of this note is to focus on the finiteness of the weighted likelihood estimator (WLE) of ability in the context of dichotomous and polytomous item response theory (IRT) models. It is ... [more ▼]

The purpose of this note is to focus on the finiteness of the weighted likelihood estimator (WLE) of ability in the context of dichotomous and polytomous item response theory (IRT) models. It is established that the WLE always returns finite ability estimates. This general result is valid for dichotomous (one-, two-, three- and four-parameter logistic) IRT models, the class of polytomous difference models and divide-by-total models, independently of the number of items, the item parameters and the response patterns. Further implications of this result are outlined. [less ▲]

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See detailHow can a steel structure survive to impact loading? Numerical and analytical investigations
Demonceau, Jean-François ULg; Comeliau, Ludivine; Hoang, Van Long ULg et al

in Open Civil Engineering Journal (The) (in press)

Recent events such as natural catastrophes or terrorism attacks have highlighted the necessity to ensure the structural integrity of buildings under exceptional events. For more than 10 years, the ... [more ▼]

Recent events such as natural catastrophes or terrorism attacks have highlighted the necessity to ensure the structural integrity of buildings under exceptional events. For more than 10 years, the University of Liege is strongly involved in researches investigating the response of structures further to such exceptional events ([1] and [2]). The present paper gives a global overview on recent or ongoing developments performed at the University of Liege in the field of robustness of steel building structures subjected to impact loading leading to the loss of a column. The conducted studies are founded on a combination of experimental, numerical and analytical approaches with the final aim to propose simplified procedures useful for practitioners and allowing ensuring an appropriate level of robustness to structures for the considered scenario [less ▲]

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See detailImplicit spoken words and motor sequences learning are impaired in children with Specific Language Impairment
Desmottes, Lise ULg; Meulemans, Thierry ULg; Maillart, Christelle ULg

in Journal of the International Neuropsychological Society (in press)

Objective. This study aims to compare verbal and motor implicit sequence learning abilities in children with and without Specific Language Impairment (SLI). Methods. Forty-eight children (24 control and ... [more ▼]

Objective. This study aims to compare verbal and motor implicit sequence learning abilities in children with and without Specific Language Impairment (SLI). Methods. Forty-eight children (24 control and 24 SLI) were administered the Serial Search Task (SST), which enables the simultaneous assessment of implicit spoken words and visuomotor sequences learning. Results. Results showed that control children implicitly learned both the spoken words as well as the motor sequences. In contrast, children with SLI showed deficits in both types of learning. Moreover, correlational analyses revealed that SST performance was linked with grammatical abilities in control children but with lexical abilities in children with SLI. Conclusion. Overall, this pattern of results supports the procedural deficit hypothesis and suggests that domain general implicit sequence learning is impaired in SLI. [less ▲]

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See detailRobbe-Grillet va plus loin avec l'Express... Le romancier face à l'entretien journalistique
Lorent, Fanny ULg

in Interférences Littéraires = Literaire Interferenties (in press)

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See detailSur les pas des hommes qui ont vu l’ours. La conservation de la faune sauvage, un travail réel.
Denayer, Dorothée ULg; Mougenot, Catherine ULg; Collard, Damien

in Natures Sciences Sociétés (in press)

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See detailIs it possible to improve communication around radiotherapy delivery: A randomized study to assess the efficacy of team training?
Liénard, Aurore; Delevallez, France; Razavi, Darius et al

in Radiotherapy & Oncology (in press)

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See detailEffects of 10Hz and 20Hz transcranial alternating current stimulation on automatic motor control
Cappon, Davide; D'Ostilio, Kevin ULg; Garraux, Gaëtan ULg et al

in Brain Stimulation (in press)

Background: Automatic motor inhibition is an important and adaptive process through which an activated motor plan is suppressed if the movement is not intended to be executed. Neuronal networks are ... [more ▼]

Background: Automatic motor inhibition is an important and adaptive process through which an activated motor plan is suppressed if the movement is not intended to be executed. Neuronal networks are characterized by oscillatory activity. In the brain, a large variety of rhythms have been described that differ in their frequency, origin and reactivity to changes in task demands. Recent studies have demonstrated that active cortical networks are susceptible to weak sinusoidal perturbations of exogenous electric fields. Objective/Hypothesis: The aim of this study was to investigate the frequency-specific effect of transcranial alternate current stimulation (tACS) over the automatic control of movement in healthy volunteers. We hypothesized that applying two different tACS frequencies during a visuo-motor task would result in different behavioural effects and in diverse modulation of cortical excitability. Methods: In this study we used tACS to interact non-invasively with the ongoing task-related oscillatory activity. Stimulation was delivered at alpha (10 Hz) and beta (20 Hz) frequency over the supplementary motor area and the primary motor cortex (SMA-M1) connections, which are part of the BG-cortical motor loop, during the execution of the subliminal masked prime task. We measured the effects on task performance and on motor cortex corticospinal excitability by means of motor evoked potentials (MEPs) evoked by transcranial magnetic stimulation (TMS). Results: Results indicate a specific effect of 10 and 20-Hz tACS on functional inhibition in the SMA-M1 circuit. Behaviorally there is an interference in task-related automatic inhibition: 10 Hz tACS reduced the automatic inhibition. In contrast 20 Hz tACS increased the automatic inhibition. At a neurophysiological level there is a modulation in excitability of M1: 20 Hz tACS reduced MEP amplitudes, whereas there was no change after 10 Hz tACS. Conclusion(s): The current study provides novel evidence that automatic mechanisms of motor behaviour can be modulated by imposing synchronized electrical oscillatory activity upon motor cortical regions. Our study has important implications for cognitive neuroscience studies suggesting that the use tACS might offer the possibility to demonstrate a causal link between endogenous brain oscillations, specific exogenous alternate current frequencies and specific cognitive processes. [less ▲]

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See detailNavigating towards decoupled aquaponic systems: A system dynamics design approach
Goddek, Simon; Espinal, Carlos; Delaide, Boris et al

in Water (in press)

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See detailSurvivances et métamorphoses. Les gemmes isiaques remployées au Moyen Âge et leur interprétation
Veymiers, Richard ULg

in Anabases : Traditions et Réception de l'Antiquité (in press)

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See detailA Theory of Soft Capture
Agrell, Per; Gautier, Axel ULg

in Scandinavian Journal of Economics (in press)

n this paper, wee propose a model for regulatory capture that is based on information transmission and asymmetric information. In a three-tier model, a regulator is charged by a political principal to ... [more ▼]

n this paper, wee propose a model for regulatory capture that is based on information transmission and asymmetric information. In a three-tier model, a regulator is charged by a political principal to provide a signal for the type of a regulated firm. Only the firm can observe his type and the production of a correlated signal with a given accuracy is costly for the regulator. The firm can costlessly provide an alternative signal of lower accuracy that is presented to the regulator. In a self-enforcing equilibrium, the regulator transmits the firm-produced signal, internalizes its own savings in information cost and the firm enjoys higher information rents. The main feature of soft capture is that it is not based on a reciprocity of favors but on a congruence of interests between the firm and the regulator. [less ▲]

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See detailLe Mur et le masque. À propos de Banksy.
Saint-Amand, Denis ULg

in MethIS : Méthodes et Interdisciplinarité en Sciences Humaines (in press)

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See detailAll for a container! Return migration, transport technologies, and love affairs
Jedlowski, Alessandro ULg

in Transfers: Interdisciplinary Journal of Mobility Studies (in press)

This paper analyzes the articulation between mobility and technology within life trajectories marked by migration, exile and the search for economic achievement. It does so by focusing on a Nigerian ... [more ▼]

This paper analyzes the articulation between mobility and technology within life trajectories marked by migration, exile and the search for economic achievement. It does so by focusing on a Nigerian couple’s (attempted) itinerary of return migration from Italy to Nigeria, and on the tensions that surround the role played by a specific transport technology, the shipping container, within this process. It highlights how, throughout the itinerary that brings the container from Italy to Nigeria, its social meaning and that of the cargo stored in it become the center of a series of tense interactions, in which diverging imaginaries about transnational mobility, migration and life abroad come to the fore, and provoke radical transformations in the life of the people involved in the itinerary of the container itself. [less ▲]

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See detailAqueous and organic inks of carbon xerogels as models for studying the role of porosity in lithium-ion battery electrodes
Rey-Raap, Natalia; Piedboeuf, Marie-Laure ULg; Arenillas, Ana et al

in Materials and Design (in press)

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See detailA combined transmission spectrum of the Earth-sized exoplanets TRAPPIST-1 b and c
de Wit, Julien; Wakeford, Hannah R.; Gillon, Michaël ULg et al

in Nature (in press)

Three Earth-sized exoplanets were recently discovered close to the habitable zone of the nearby ultracool dwarf star TRAPPIST-1. The nature of these planets has yet to be determined, since their masses ... [more ▼]

Three Earth-sized exoplanets were recently discovered close to the habitable zone of the nearby ultracool dwarf star TRAPPIST-1. The nature of these planets has yet to be determined, since their masses remain unmeasured and no observational constraint is available for the planetary population surrounding ultracool dwarfs, of which the TRAPPIST-1 planets are the first transiting example. Theoretical predictions span the entire atmospheric range from depleted to extended hydrogen-dominated atmospheres. Here, we report a space-based measurement of the combined transmission spectrum of the two inner planets made possible by a favorable alignment resulting in their simultaneous transits on 04 May 2016. The lack of features in the combined spectrum rules out cloud-free hydrogen-dominated atmospheres for each planet at 10-$\sigma$ levels; TRAPPIST-1 b and c are hence unlikely to harbor an extended gas envelope as they lie in a region of parameter space where high-altitude cloud/haze formation is not expected to be significant for hydrogen-dominated atmospheres. Many denser atmospheres remain consistent with the featureless transmission spectrum---from a cloud-free water vapour atmosphere to a Venus-like atmosphere. [less ▲]

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See detailMinor compounds and oxidative stability of mono-varietal virgin olive oils produced in eastern of Morocco
Mansouri, Farid; Benmoumen, Abdessamad; Richard, Gaetan ULg et al

in Food Chemistry (in press)

The aim of this study is to characterize monovarietal virgin olive oils (VOOs) of new high-density plantings system of three cultivars (Arbequina, Arbosana and Koroneiki) which have been recently ... [more ▼]

The aim of this study is to characterize monovarietal virgin olive oils (VOOs) of new high-density plantings system of three cultivars (Arbequina, Arbosana and Koroneiki) which have been recently introduced in the eastern mediterranean region of Morocco. In this study, we have also conducted comparison between those monovarietal VOOs and olive oil of the local olive cultivar Picholine marocaine. Monovarietal VOOs characterization has been carried out by analysing several parameters, including quality index and olive oil stability to oxidation. Significant differences between the analysed olive oils were highlighted. They depend on cultivars and technological conditions of processing. We have noticed that Koroneiki olive oil have higher content of phenols (459.48 mg kg-1) and have the best value of oxidative stability (93.16 h). On the other hand Arbrosana’s VOO has low content of total phenols (260.85 mg kg-1) but it was distinguished by its higher content of alpha-tocopherol (460.07 mg kg-1). In addition, ten phenolic compounds present in virgin olive oils, were identified and quantitatively assessed by HPLC. Hydroxytyrosol, tyrosol, luteoline, pinoresinol and apigenin were the main phenolic compounds in those analyzed monovarietal VOOS. [less ▲]

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See detailNew features on the environmental regulation of metabolism revealed by modeling the cellular proteomic adaptations induced by light, carbon and inorganic nitrogen in Chlamydomonas reinhardtii
Gerin, Stéphanie ULg; Leprince, Pierre ULg; Sluse, Francis ULg et al

in Frontiers in Plant Science (in press)

Microalgae are currently emerging to be very promising organisms for the production of biofuels and high-added value compounds. Understanding the influence of environmental alterations on their metabolism ... [more ▼]

Microalgae are currently emerging to be very promising organisms for the production of biofuels and high-added value compounds. Understanding the influence of environmental alterations on their metabolism is a crucial issue. Light, carbon and nitrogen availability have been reported to induce important metabolic adaptations. So far, the influence of these variables has essentially been studied while varying only one or two environmental factors at the same time. The goal of the present work was to model the cellular proteomic adaptations of the green microalga Chlamydomonas reinhardtii upon the simultaneous changes of light intensity, carbon concentrations (CO2 and acetate) and inorganic nitrogen concentrations (nitrate and ammonium) in the culture medium. Statistical design of experiments (DOE) enabled to define 32 culture conditions to be tested experimentally. Relative protein abundance was quantified by two dimensional differential in-gel electrophoresis (2D-DIGE). Additional assays for respiration, photosynthesis, and lipid and pigment concentrations were also carried out. A hierarchical clustering survey enabled to partition biological variables (proteins + assays) into eight co-regulated clusters. In most cases, the biological variables partitioned in the same cluster had already been reported to participate to common biological functions (acetate assimilation, bioenergetic processes, light harvesting, Calvin cycle and protein metabolism). The environmental regulation within each cluster was further characterized by a series of multivariate methods including principal component analysis and multiple linear regressions. This metadata analysis enabled to highlight the existence of a clear regulatory pattern for every cluster and to mathematically simulate the effects of light, carbon and nitrogen. The influence of these environmental variables on cellular metabolism is described in details and thoroughly discussed. This work provides an overview of the metabolic adaptations contributing to maintain cellular homeostasis upon extensive environmental changes. Some of the results presented here could be used as starting points for more specific fundamental or applied investigations. [less ▲]

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See detailPlant evolution and terrestrialization during Palaeozoic times - the phylogenetic context
Gerrienne, Philippe ULg; Servais, Thomas; Vecoli, Marco

in Review of Palaeobotany and Palynology (in press)

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See detailCutaneous involvement in multiple myeloma: a multi-institutional retrospective study of 53 patients
Jurczyszyn, .; Olszewska-Szopa, M.; Hungria, V. et al

in Leukemia & Lymphoma (in press)

Skin infiltration in multiple myeloma (skin MM) is a rare clinical problem. Only a few cases of skin involvement have been reported, primarily in single case reports. We analyzed and present the clinical ... [more ▼]

Skin infiltration in multiple myeloma (skin MM) is a rare clinical problem. Only a few cases of skin involvement have been reported, primarily in single case reports. We analyzed and present the clinical outcomes, immunohistochemistry and cytogenetic features, and relevant laboratory data on 53 biopsy-proven skin MM cases. The median time from MM diagnosis to skin involvement was 2 years. There appears to be an overrepresentation of immunoglobulin class A (IgA) and light chain disease in skin MM. We found no correlation between CD56 negative MM and skin infiltration. We found that skin MM patients presented in all MM stages (i.e. ISS stages I to III), and there was no preferential cytogenetic abnormality. Patients with skin MM carry a very poor prognosis with a median overall survival (OS) of 8.5 months as time from skin involvement. Moreover, patients with IgA disease and plasmablastic morphology appear to have a worse OS. [less ▲]

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See detailHigh spatial resolution of late-Holocene human activities in the moist forests of central Africa using soil charcoal and charred botanical remains
Morin, Julie ULg; Biwolé, Achille; Gorel, Anaïs ULg et al

in Holocene (in press)

Palaeoecological and archaeological studies have demonstrated that human populations have long inhabited the moist forests of central Africa. However, spatial and temporal patterns of human activities ... [more ▼]

Palaeoecological and archaeological studies have demonstrated that human populations have long inhabited the moist forests of central Africa. However, spatial and temporal patterns of human activities have hardly been investigated with satisfactory accuracy. In this study, we propose to characterize past human activities at local scale by using a systematic quantitative and qualitative methodology based on soil charcoal and charred botanical remains. A total of 88 equidistant test-pits were excavated along six transects in two contrasting forest types in southern Cameroon. Charred botanical remains were collected by water-sieving and sorted by type (wood charcoals, oil palm endocarps, and unidentified seeds). A total of 50 Accelerator Mass Spectrometry 14C dates were also obtained. Results showed that charred macroremains were found at multiple places in the forest, suggesting scattered human activities, which were distributed into two main periods (Phase A: 2300-1300 BP – Phase B: 580 BP to the present). Charred botanical remains indicated two types of land use: (i) domestic, with oil palm endocarps most often associated with potsherds (villages) and (ii) agricultural, with charcoal as probable remnant of slash-and-burn cultivation (fields). Oil palm endocarp abundance decreased with distance from the identified human settlements. Our methodology allowed documenting, at high resolution, the spatial and temporal patterns of human activities in central African moist forests and could be applied to other tropical contexts. [less ▲]

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See detailULTRASONOGRAPHIC FINDINGS IN 13 HORSES WITH LYMPHOMA
Janvier, Valentin; Evrard, Laurence ULg; Cerri, Simona ULg et al

in Veterinary Radiology & Ultrasound (in press)

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See detailParametric Stein operators and variance bounds
Ley, Christophe; Swan, Yvik ULg

in Brazilian Journal of Probability and Statistics (in press)

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See detailJohn of Trevisa légitimise la traduction en langue anglaise (vers 1387)
Dor, Juliette ULg

in The Medieval Translator. Traduire au Moyen Âge (in press), TMT 16

A l'instar de Chaucer ou des milieux wyclifiens, Trevisa revendique pour le nouveau lectorat/auditorat vernaculaire le droit d'accéder au savoir. Il s'appuie notamment sur la "translatio studii", le ... [more ▼]

A l'instar de Chaucer ou des milieux wyclifiens, Trevisa revendique pour le nouveau lectorat/auditorat vernaculaire le droit d'accéder au savoir. Il s'appuie notamment sur la "translatio studii", le modèle français et l'autorité culturelle qu'avait connue l'anglais avant Hastings. [less ▲]

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See detailOccurrence of bottlenose dolphins (Tursiops truncatus) in the Río Negro Estuary, Argentina, and their mid-distance movements along the Northeast Patagonian coast
Failla, Mauricio; Seijas, Veronica; Vermeulen, Els ULg

in Latin American Journal of Aquatic Mammals (in press)

A systematic study on the presence of bottlenose dolphins (Tursiops truncatus) in the Río Negro Estuary (RNE), Patagonia Argentina, was carried out between the months March – July from 2008 to 2011. Data ... [more ▼]

A systematic study on the presence of bottlenose dolphins (Tursiops truncatus) in the Río Negro Estuary (RNE), Patagonia Argentina, was carried out between the months March – July from 2008 to 2011. Data on the dolphin’s activity patterns were gathered via an Ad Libitum focal group sampling mode accompanying dorsal fin images taken for identification and re-identification of individuals. A total effort of 188 h resulted in 58 h of positive observation of 124 dolphin groups (sightings per unit effort (SPUE) = 0.66 groups/h). Data analysis showed two main activity states for the observed groups, travelling (65%) and foraging (26%). The remaining 9% of the groups were involved in other activity states. The photo-identification effort, which started opportunistically in 2006, resulted in a catalogue of 21 individual dolphins, with a total mean re-identification rate of 9 days (max = 24 days). When comparing these pictures to the existing catalogue of Bahía San Antonio (approximately 200 km west from the study area) dorsal fins of 20 individuals could be positively matched and most (n = 17) could be subsequently re-identified in both areas, indicating their long distance movements along the North Patagonian coast during the austral autumn months. This season coincides with the lowest amount of feeding activity observed in Bahía San Antonio. This study suggests that bottlenose dolphins enter RNE, mainly during autumn, to forage. It appears that the search for food resources may be the trigger for their movement patterns along the North Patagonian coast during this season, at least for certain individuals. More research is needed to accurately confirm this hypothesis. [less ▲]

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See detailLarge-Eddy Simulations of microcarrier exposure to potentially damaging eddies inside mini-bioreactors
Collignon, Marie-Laure ULg; Delafosse, Angélique; Calvo, Sébastien ULg et al

in Biochemical Engineering Journal (in press)

Mechanically stirred vessels equipped with rotating impellers generate heterogeneous transitional or turbulent flows. However, some cells as animal or human mesenchymal stem cells (hMSC) adhered on ... [more ▼]

Mechanically stirred vessels equipped with rotating impellers generate heterogeneous transitional or turbulent flows. However, some cells as animal or human mesenchymal stem cells (hMSC) adhered on microcarriers, are reputed sensitive to hydromechanical stresses arising from stirring. Many publications, especially using Computational Fluid Dynamics, characterize spatial fields of velocity and turbulence inside bioreactors but the exposure frequency to these stresses is never taken into account in the case of animal cell culture bioreactor description. To fill this gap, this study used both CFD Reynolds-Averaged and Large-Eddy Simulations to characterize the hydrodynamics inside 250 mL mini-bioreactors, which is a relevant volume for hMSC cultures. Five impeller geometries were studied. From the velocity and turbulence fields calculated, an energy dissipation/circulation function, related to both frequency and intensity of potentially damaging hydrodynamic events for the cells, was determined for various operating conditions. Based on the simulation results, the marine propeller operating in up-pumping mode seems to be the most adapted condition, since it exhibits a low frequency of exposure to an acceptable intensity of the turbulent dissipation rate. From a general point of view, the new methodology proposed should be used in the future to screen the most adapted bioreactor geometry to biological constraints. [less ▲]

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See detailDPSC colonization of functionalized 3D textiles
Ortiz, Marine; Rosales-Ibáñez, R; Pozos-Guillén, A. et al

in Journal of Biomedical Materials Research, Part B : Applied Biomaterials (in press)

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See detailInhibitory deterioration may contribute to hallucinations in Alzheimer’s disease
El Haj, Mohamad; Laroi, Frank ULg; Gély-Nargeot, Marie-Christine et al

in Cognitive Neuropsychiatry (in press)

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See detailNew insight on Carboniferous (Viséan) brachiopods from eastern Tafilalt (Morocco)
Mottequin, Bernard; Denayer, Julien ULg; Herbig, Hans-Georg et al

in Geological Journal (in press)

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See detailTreatment of Multiple Myeloma with high-risk cytogenetics: a consensus of the International Myeloma Working Group
Sonneveld, Pieter; Avet-Loiseau, Hervé; Lonial, Sagar et al

in Blood (in press)

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See detailIs the sword moss (Bryoxiphium) a preglacial Tertiary relict?
Patino, J.; Goffinet, B.; Sim-Sim, M.A. et al

in Molecular Phylogenetics & Evolution (in press)

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See detailGlioblastoma-derived extracellular vesicles induce tumor-supportive phenotypes in monocytic cells
de Vrij, Jeroen; Maas, Sybren; Kwappenberg, Kitty et al

in International Journal of Cancer = Journal International du Cancer (in press)

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See detailPhenotypic variability in bioprocessing conditions can be tracked on the basis of on-line flow cytometry and fits to a scaling law
Baert, Jonathan ULg; Kinet, Romain ULg; Brognaux, Alison ULg et al

in Biotechnology Journal (in press)

Noise in gene and protein expression is a major cause for bioprocess deviation. However, this phenomenon has been only scarcely considered in real bioprocessing conditions. In this work, a scaling-law ... [more ▼]

Noise in gene and protein expression is a major cause for bioprocess deviation. However, this phenomenon has been only scarcely considered in real bioprocessing conditions. In this work, a scaling-law derived from a genome-scale studies based on GFP reporter systems has been calibrated to an on-line flow cytometry device, allowing thus to get an insight at the level of promoter activity and associated noise during a whole microbial culture carried out in bioreactor. We show that most of the GFP reporter systems investigated and thus corresponding genes could be included inside the area covered by the scaling-law. The experimental results suggest that this scaling-law could be used to predict the dynamics of promoter activity, as well as the associated noise, in bioprocessing conditions. The knowledge acquired throughout this work could be used for the design of more robust expression systems. [less ▲]

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See detailBioclimatism in Architecture : an evolutionary perspective
Nguyen, Anh Tuan; Reiter, Sigrid ULg

in International Journal of Design and Nature and Ecodynamics (in press)

Fundamentals of vernacular architecture have been used in bioclimatic architecture which has gradually become the inspiration of various movements in contemporary architecture. The study points out that ... [more ▼]

Fundamentals of vernacular architecture have been used in bioclimatic architecture which has gradually become the inspiration of various movements in contemporary architecture. The study points out that the development of bioclimatism in architecture has followed the pattern of a natural evolutionary process in which “natural selection” is likely motivated by several factors, including resources and environment problems, and driven by different mechanisms including novel building design concepts and methods, new standards and codes, discoveries in building science and construction costs. This study is an effort aimed to clarify the evolution process of the bioclimatic approach in architecture over time and its influences on contemporary movements in architecture. The paper shows also that the evolutionary theory generated new scientific tools able to improve building design thanks to simulation-based optimization methods applied to building performances. Finally, this study investigates new motivations in the era of climate change whose effects are expected to introduce more challenges as well as more trends towards a sustainable built environment through the new concept of Eco-adaptive architecture. [less ▲]

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See detailL'adolescent contemporain, la dette de vie et la question du don: apport de l'approche contextuelle
Haxhe, Stéphanie ULg; de Saint Georges, Marie-Christine; Michard, Pierre et al

in Adolescence (in press)

L’adolescent récuse la dette de vie et réclame autonomie et considération. Néanmoins, la société actuelle offre à l’adolescent des parents fragilisés. La réalité de l’adolescent contemporain apparaît ... [more ▼]

L’adolescent récuse la dette de vie et réclame autonomie et considération. Néanmoins, la société actuelle offre à l’adolescent des parents fragilisés. La réalité de l’adolescent contemporain apparaît alors comme une quête en tension entre une nécessaire appropriation de lui-même et des dons discrets à ses parents. Si ces dons ne sont pas reçus et échouent à introduire parents et adolescent à une nouvelle position relationnelle, le risque d’un épuisement de l’adolescent est à prendre en considération. [less ▲]

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See detailContribution of distribution network control to voltage stability: A case study
Aristidou, Petros ULg; Valverde, Gustavo; Van Cutsem, Thierry ULg

in IEEE Transactions on Smart Grid (in press)

A case study dealing with long-term voltage instability in systems hosting active distribution networks is reported in this paper. It anticipates future situations with high penetration of dispersed ... [more ▼]

A case study dealing with long-term voltage instability in systems hosting active distribution networks is reported in this paper. It anticipates future situations with high penetration of dispersed generation, where the latter are used to keep distribution voltages within desired limits, in complement to load tap changers. The interactions between transmission and active distribution networks are investigated on a 3108-bus test system. It involves transmission grid, large generators, and forty distribution networks, each with dispersed generation steered by a controller inspired of model predictive control. The reported simulations show the impact of distribution network voltage restoration as well as the benefit of load voltage reduction actuated by the dispersed generators. [less ▲]

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See detailLoop
Levaux, Christophe ULg

in Rock Music Studies (in press)

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See detailFruit biomass availability along a forest cover gradiant
Pesso, Michaele; Rocca, Larissa; Talora, Daniela et al

in Biotropica (in press)

Habitat loss is the main driver of the current high rate of species extinction, particularly in tropical forests. Understanding the factors associated with biodiversity loss, such as the extinction of ... [more ▼]

Habitat loss is the main driver of the current high rate of species extinction, particularly in tropical forests. Understanding the factors associated with biodiversity loss, such as the extinction of species interactions and ecological functions, is an urgent priority. Here, our aim was to evaluate how landscape-scale forest cover influences fruit biomass comparing different tree functional groups. We sampled 20 forest fragments located within landscapes with forest cover ranging from 2 to 93 percent in the Atlantic Forest of southern Bahia, Brazil. In each fragment, we established five plots of 25 × 4 m and carried out phenological observations on fleshy fruit throughout one year on all trees ≥ 5 cm dbh. We estimated fruit availability by direct counting all fruits and derived fruit biomass from this count. We used spatial mixed linear models to evaluate the effects of forest cover on species richness, abundance, and fruit biomass. Our results indicated that forest cover was the main explanatory variable and negatively influenced the total richness and abundance of zoochoric and shade-tolerant but not shade-intolerant species. A linear model best explained variations in richness and abundance of total and shade-tolerant species. We also found that forest cover was positively correlated with the fruit biomass produced by all species and by the shade-tolerant assemblages, with linear models best explaining both relationships. The loss of shade-tolerant species and the lower fruit production in fragments with lower landscape-scale forest cover may have implications for the maintenance of frugivore, seed dispersal service, and plant recruitment. [less ▲]

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See detailNote a Jacopino del Conte e approfondimenti sulla sua attività giovanile
Geremicca, Antonio ULg

in Proporzioni. Annali della Fondazione Roberto Longhi (in press)

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See detailFavoriser la co-régulation et la co-construction d’une démarche efficace de résolution de problèmes mathématiques en fin d’enseignement primaire
Jaegers, Doriane ULg; Lafontaine, Dominique ULg; Fagnant, Annick ULg

in Schweizerische Zeitschrift fur Bildungswissenschaften = Rivista Svizzera di Scienze dell'Educazione = Revue Suisse des Sciences de l'Education (in press), 38(3),

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See detailChanges in the isoflavone concentration in red clover (Trifolium pratense L.) during ensiling and storage in laboratory-scale silos
Daems, Frédéric ULg; Decruyenaere, Virginie ULg; Agneessens, Richard et al

in Animal Feed Science & Technology (in press)

Isoflavones constitute one of the most common categories of nonsteroidal estrogen-like substances belonging to the broad group of phytoestrogens. The highest concentrations in the plant kingdom are found ... [more ▼]

Isoflavones constitute one of the most common categories of nonsteroidal estrogen-like substances belonging to the broad group of phytoestrogens. The highest concentrations in the plant kingdom are found in the Fabaceae family. They have become a focus of research because of their estrogenic or anti-estrogenic effect and potential impact on human health. In recent years, several studies have focused on the impact of biotic and abiotic factors and farming management on the isoflavone concentration in plants and their impact on the composition of cow’s milk. Nevertheless, knowledge about the effect of the ensiling process on isoflavone concentration remains limited. The objective of this work was to study the evolution of the concentrations of four compounds (daidzein, formononetin, genistein and biochanin A) in red clover (Trifolium pratense L.) ensiled at harvest. The impact of the field-drying process was also assessed. The plant material was ensiled in laboratory scale silos using vacuum-packed plastic bags and stored over a 6-month period. The quality of the silages was checked throughout the experiment by determining the pH, lactic acid concentration, volatile fatty acids, crude proteins, cellulose and other chemical characteristics. The isoflavone concentration in fresh plant material was 2050, 1766, 306 and 127 µg/g DM for formononetin, biochanin A, genistein and daidzein, respectively. After 4 days of drying in the field, no significant change in isoflavone concentration was found, except for daidzein, which increased twofold. The laboratory-scale silos experiment, however, showed a decrease in isoflavone concentration during the first 2 weeks, followed by stabilization over the 5 remaining months. The concentrations fell by 26, 39, 66 and 73% for daidzein, genistein, biochanin A and formononetin, respectively. Animals fed with silage would therefore absorb fewer isoflavones than those fed with fresh plant material or hay. [less ▲]

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See detailBeyond survival and uncertainty. The livelihood practices of former Gécamines workers (D.R.Congo)
Rubbers, Benjamin ULg

in Review of African Political Economy (in press)

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See detailPros and cons of flowers strips for farmers. A review
Uyttenbroeck, Roel ULg; Hatt, Séverin ULg; Paul, Aman ULg et al

in Biotechnologie, Agronomie, Société et Environnement = Biotechnology, Agronomy, Society and Environment (in press), 20(Special issue 1),

Description of the subject. To counteract environmental problems due to agricultural intensification, European farmers can apply agri-environmental schemes in their fields. Flower strips are one example ... [more ▼]

Description of the subject. To counteract environmental problems due to agricultural intensification, European farmers can apply agri-environmental schemes in their fields. Flower strips are one example of these schemes, with the aim of supporting biodiversity, leading to an increase in “useful” species groups such as pollinators for crop pollination and natural enemies for pest control. However, to our knowledge, a complete appraisal of the pros and cons of flower strips, from a farmer’s point of view, does not yet exist. It is proposed that better and more complete information could increase the adoption and implementation of such agri-environmental schemes. Objectives. This study aims 1) to assess the pros and cons of flower strips, from a farmer’s point of view, and 2) to highlight the knowledge gaps that exist in the scientific literature, for the different types of pros and cons. Method. We listed the different components of the appraisal of pros and cons and conducted a systematic screening of the scientific literature on flower strips and these components. Results. The largest part of the 31 selected studies was concerning agronomical and ecological processes, such as pollination and animal pest control. Most of them indicated positive effects of flower strips. For many components of the appraisal, mostly economic and social ones, few or no studies were found. Conclusions. While a positive balance of pros and cons, from a farmer’s point of view, came from our literature screening, large research gaps still remain and more research is required, especially in the economic and social components of the evaluation. [less ▲]

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See detailNegatively Charged Lipids as a Potential Target for New Amphiphilic Aminoglycoside Antibiotics: A BIOPHYSICAL STUDY*
Sautrey, Guillaume; El Khoury, Micheline; Dos Giros, Andrea et al

in Journal of Biological Chemistry (in press)

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See detailPlanetary Sapce Weather: Scientific Aspects and Future Perspectives
Plainaki; Lilensten; Radioti, Aikaterini ULg et al

in Space Science Reviews (in press)

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See detailOpen Science: a revolution in sight?
Rentier, Bernard ULg

in Interlending & Document Supply (in press)

• Purpose This article aims at describing the evolution of scientific communication, largely represented by the publication process. It notes the disappearance of the traditional publication on paper and ... [more ▼]

• Purpose This article aims at describing the evolution of scientific communication, largely represented by the publication process. It notes the disappearance of the traditional publication on paper and its progressive replacement by electronic publishing, a new paradigm implying radical changes in the whole mechanism. It aims also at warning the scientific community about the dangers of some new avenues and why, rather than subcontracting an essential part of its work, it must take back a full control of its production. • Design/methodology/approach The article reviews the emerging concepts in scholarly publication and aims to answer frequently asked questions concerning free access to scientific literature as well as to data, science and knowledge in general. • Findings The article provides new observations concerning the level of compliance to institutional open access mandates and the poor relevance of journal prestige for quality evaluation of research and researchers. The results of introducing an open access policy at the University of Liège are noted. • Social implications Open access is, for the first time in human history, an opportunity to provide free access to knowledge universally, regardless of either the wealth or the social status of the potentially interested readers. It is an essential breakthrough for developing countries. • Value Open access and Open Science in general must be considered as common values that should be shared freely. Free access to publicly generated knowledge should be explicitly included in universal human rights. There are still a number of obstacles hampering this goal, mostly the greed of intermediaries who persuade researchers to give their work for free, in exchange for prestige. The worldwide cause of Open Knowledge is thus a major universal issue for the 21st Century. [less ▲]

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See detailState Created Barriers to Exit - The Example of the Acquisition of Alstom by General Electric
Petit, Nicolas ULg

in Competition Policy International (in press)

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See detailArrêts sur images – usages et pratiques du photogramme
Thonon, Jonathan ULg

in MethIS : Méthodes et Interdisciplinarité en Sciences Humaines (in press)

Le photogramme est, au cinéma, la plus petite unité de prise de vue. Image fixe, unité élémentaire du film, le photogramme forme la cellule figée d’un mouvement qui se reconstitue sous l’effet d’un ... [more ▼]

Le photogramme est, au cinéma, la plus petite unité de prise de vue. Image fixe, unité élémentaire du film, le photogramme forme la cellule figée d’un mouvement qui se reconstitue sous l’effet d’un défilement réglé (24 photogrammes/seconde) par le dispositif technique du cinéma. Image paradoxale en ce qu’elle reste invisible au spectateur malgré sa force iconique, le photogramme trouve cependant, dans le flux qui le conduit insensiblement à la disparition, certaines zones de visibilité qui en révèlent le caractère à la fois fragile et intensif. Nous allons donc envisager certaines pratiques ou certains usages du photogramme cinématographique, tout en essayant de dégager, au départ de ces pratiques, les éléments d’une théorie du photogramme, que Roland Barthes et Sylvie Pierre appelaient déjà de leurs vœux. Des protos-photogrammes et de leur usage scientifique chez Muybridge et Marey, aux usages artistiques contemporains, en passant par des pratiques publicitaires, promotionnelles ou analytiques, nous allons voir que le photogramme reste un objet singulier. [less ▲]

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See detailHenry Flynt : Catalogue des oeuvres
Levaux, Christophe ULg

in Revue et Corrigée (in press), 109

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See detailSiting Controversies Analysis: Framework and Method for Questioning the Procedure
Rossignol, Nicolas ULg; Parotte, Céline ULg; Joris, Geoffrey ULg et al

in Journal of Risk Research (in press)

Siting controversies are commonplace, as well against the construction of roads, railways, nuclear waste disposals, as against windfarms. Local citizens resist against siting decisions taken by the ... [more ▼]

Siting controversies are commonplace, as well against the construction of roads, railways, nuclear waste disposals, as against windfarms. Local citizens resist against siting decisions taken by the authorities, following a dynamics often quoted as ‘Not In My Back Yard’. Yet contested for its lack of analytical value, NIMBY is still used strategically by actors to qualify citizens as irrational and egoistic. Beyond this labelling, many factors are investigated to understand the dynamics behind siting controversies. In this paper, we focus on the impact of the legal procedure structuring the implantation of windfarms in the Walloon Region (Belgium), and its translations within different decision making processes in specific case studies. To that regard, we consider the legal procedure as a ‘public policy instrument’. It is neither neutral nor natural, and carry values and interests. It organizes inter-personal relations between actors, and is potentially catalyzer of frustrations. In addition, this legal procedure is the object of translations within different contexts, including different actors participating to specific decision making processes. The empirical approach of this paper is based on case studies data and on the use of an innovative methodology called ‘Open Process Workshop’. This methodology consists in a structured workshop with key stakeholders, during which the legal procedure is questioned. Overall, we demonstrate that the focus on the legal procedure - and its translations within different decision making processes - allows systemic analysis providing deep understandings of controversies and reaffirming the interlinks between ‘the social’ and ‘the technical’ in such controversies. In addition, we argue that the methodology used fosters the production of innovative knowledge, mutual understanding and collective learning between the participants. [less ▲]

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See detailLes différentes modalités d’évaluation en accompagnement collectif.
Bernard, Nicolas; Faulx, Daniel ULg

in Education Permanente (in press)

L’accompagnement collectif constitue un mode de développement des individus et des équipes qui bénéficie aujourd’hui d’une abondante littérature méthodologique et théorique. Bien que cette question soit ... [more ▼]

L’accompagnement collectif constitue un mode de développement des individus et des équipes qui bénéficie aujourd’hui d’une abondante littérature méthodologique et théorique. Bien que cette question soit moins documentée actuellement, l’accompagnement collectif met en jeu également des démarches d’évaluation qui viennent en appui du processus. Basé sur quatre études de cas, cet article propose une modélisation des différentes possibilités d’évaluations, triées en fonction de quatre critères (niveaux, temporalités, contenus, formes). Chaque modalité est illustrée à l’aide d’un cas fil rouge. Cela débouche sur une multiplicité de possibilités d’application de l’évaluation au service de l’accompagnement. Nous terminons par discuter comment cette pratique peut être théorisée en termes de posture épistémologique. [less ▲]

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See detailSérialités tintamarresques. Du faux-feuilleton au dictionnaire
Saint-Amand, Denis ULg

in Belphégor : Littérature Populaire et Culture Médiatique (in press)

Parmi les journaux comiques les plus en vue du XIXe siècle, l’hebdomadaire Tintamarre occupe une place de choix. Ses fers de lance, Jean-Louis Commerson et Eugène Vachette s’adjoignent les services ... [more ▼]

Parmi les journaux comiques les plus en vue du XIXe siècle, l’hebdomadaire Tintamarre occupe une place de choix. Ses fers de lance, Jean-Louis Commerson et Eugène Vachette s’adjoignent les services imaginaires de l’écrivain de papier Joseph Citrouillard, qui va rapidement se révéler l’un des contributeurs les plus fidèles du Tintamarre et le sujet de nombreux articles. C’est, dès lors, une double logique sérielle qui se développe autour de Citrouillard, à la fois canular auctorial et antihéros populaire. Cet article interroge les implications et les effets de cette double casquette fantaisiste en ce qui concerne la logique interne du journal et le développement en son sein d’une poétique parodique spécifique, mais également en matière d’institutionnalisation d’une forme de mystification littéraire. [less ▲]

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See detailFungal biofilm reactor improves the productivity of hydrophobin HFBII
Khalesi, Mohammadreza; Zune, Quentin ULg; Telek, Samuel ULg et al

in Biochemical Engineering Journal (in press)

Production and purification of hydrophobin HFBII has recently been the subject of intensive research, but the yield of production needs to be further improved for a generic use of this molecule at ... [more ▼]

Production and purification of hydrophobin HFBII has recently been the subject of intensive research, but the yield of production needs to be further improved for a generic use of this molecule at industrial scale. In a first step, the influence of different carbon sources on the growth of Trichoderma reesei and the production of HFBII was investigated. The optimum productivity was obtained by using 40 g/L lactose. Carbon starvation and excretion of extracellular enzyme were determined as two main conditions for the production of HFBII. In the second phase, and according to the physiological mechanisms observed during the screening phase, a bioreactor set up has been designed and two modes of cultures have been investigated, i.e. the classical submerged fermentation and a fungal biofilm reactor. In this last set-up, the broth is continuously recirculated on a metal packing exhibiting a high specific surface. In this case, the fungal biomass was mainly attached to the metal packing, leading to a simplification of downstream processing scheme. More importantly, the HFBII concentration increased up to 48.6 ± 6.2 mg/L which was 1.8 times higher in this reactor configuration and faster than the submerged culture. X-ray tomography analysis shows that the biofilm overgrowth occurs when successive cultures are performed on the same packing. However, this phenomenon has no significant influence on the yield of HFBII, suggesting that this process could be operated in continuous mode. Protein hydrolysis during stationary phase was observed by MALDI-TOF analysis according to the removal of the last amino acid from the structure of HFBII after 48 h from the beginning of fermentation in biofilm reactor. Hopefully this modification does not lead to alternation of the main physicochemical properties of HFBII. [less ▲]

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See detailLiquid-Assisted Plasma-Enhanced Chemical Vapor Deposition of Catechol and Quinone-Functionalized Coatings: Insights into the Surface Chemistry and Morphology
Mauchauffé, Rodolphe; Moreno-Couranjou, Maryline; Boscher, N. D. et al

in Plasma Processes and Polymers (in press)

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See detailSpinoza contre Spinoza: l'antihumanisme de Lordon, un althussérisme?
Mancuso, Eva ULg

in Dissensus (in press), 6

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See detailErnst Mach, psychologue de la forme ?
Zincq, Aurélien ULg

in Philosophie (in press)

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See detailThe right dorsal premotor mosaic: organization, functions, and connectivity
Genon, Sarah ULg; Li, Hai; Fan, Lingzhong et al

in Cerebral Cortex (in press)

The right dorsal premotor cortex (PMd) of humans has been reported to be involved in a broad range of motor and cognitive functions. We explored the basis of this behavioral heterogeneity by performing a ... [more ▼]

The right dorsal premotor cortex (PMd) of humans has been reported to be involved in a broad range of motor and cognitive functions. We explored the basis of this behavioral heterogeneity by performing a connectivity-based parcellation using meta-analytic approach applied to PMd coactivations. We compared our CBP results to parcellations obtained through resting-state functional connectivity and probabilistic diffusion tractography,. Functional connectivity profiles and behavioral decoding of the resulting PMd subregions allowed characterizing their respective behavior profile. These procedures divided the right PMd into five distinct subregions that formed a cognitive-motor gradient along a rostro-caudal axis. In particular, we found (i) a rostral subregion functionally connected with prefrontal cortex, which likely supports high-level cognitive processes, such as working memory (ii) a central subregion showing a mixed behavioral profile and functional connectivity to parietal regions of the dorsal attention network, and (iii) a caudal subregion closely integrated with the motor system. Additionally, we found (iv) a dorsal subregion, preferentially related to hand movements and connected to both cognitive and motor regions, and (v) a ventral subregion, whose functional profile fits the concept of an eye-movement related field. In conclusion, right PMd may be considered as a functional mosaic formed by five subregions. [less ▲]

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See detailCompte rendu de G. TOUSSAINT, Kreuz und Knochen. Reliquien zur Zeit der Kreuzzüge, Berlin, 2011.
George, Philippe ULg

in Cahiers de Civilisation Médiévale (in press)

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See detailInfectivity of a recombinant murine norovirus (RecMNV) in Balb/cByJ mice
Mathijs, Elisabeth; de Oliveira-Filho, Edmilson; Dal Pozzo, Fabiana ULg et al

in Veterinary Microbiology (in press)

Detailed reference viewed: 12 (0 ULg)