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See detailLa première interprétation heideggérienne de la Monadologie
Pieron, Julien ULg

in Philosophie (in press)

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See detailQuelles dynamiques d'identification organisationnelle lors de processus de modernisation? Analyse d'une administration belge.
Rondeaux, Giseline ULg

in Revue Internationale des Sciences Administratives [= RISA] (in press), 80(mars),

Dans les diverses réformes conçues et implémentées en vue de moderniser l’administration, l’accent est mis sur les marchés avec un focus particulier sur les citoyens désormais clients (Korunka et al ... [more ▼]

Dans les diverses réformes conçues et implémentées en vue de moderniser l’administration, l’accent est mis sur les marchés avec un focus particulier sur les citoyens désormais clients (Korunka et al., 2007 ; Thomas, 2012). Alors que les approches initiales du NPM se centraient sur l’efficience, l’applicabilité et la pertinence de techniques managériales importées du secteur privé dans les organisations publiques (Ferlie et al., 1996), les réformes plus récentes tendent à inclure d’autres objectifs tels que la gestion de la qualité, la transparence et le centrage client (Meier & O’Toole, 2007 ; Lapsley, 2008). Du Gay (1996), pour sa part, affirme que le NPM est un projet identitaire, dans la mesure où il vise à redéfinir la main d’œuvre (en termes de profils et compétences recherchées, ciblant la figure du travailleur-entrepreneur en lieu et place du fonctionnaire). Bon nombre d’études interrogent également les paradoxes et les tensions intrinsèques du modèle NPM (Lynn, 1998; Aucoin, 1990; Hood, 2000 ; Goldfish & Wallis, 2010), les difficultés liées à sa mise en œuvre (Mathiasen, 1999 ; Dunleavy et al., 2006 ; Jones & Cole, 2009) ou à l’évaluation de ses outputs concrets pour l’administration (Pollitt, 1993; Hodge, 1999). De façon générale, la littérature met en lumière les effets que ces réformes ont produit sur les différentes facettes de l’administration : ses modes de fonctionnement et ses structures (Gualmini, 2008), son management, ses stratégie et pratiques de GRH (Pichault, 2007), ses missions et son identité organisationnelle (Horton, 2006) mais aussi sur l’ethos (Maesschalk, 2004 ; Fortier, 2010) et la motivation des fonctionnaires (Vandenabeele et Hondeghem, 2007), entre autres éléments. Plusieurs auteurs mentionnent les débats et questionnements identitaires qui se produisent lorsque l’organisation fait face à des situations de bouleversement profond (Albert et Whetten, 1985 ; Dutton et al., 1994 ; Alvesson et Empson, 2008). Dans un processus de réforme, l’organisation se remet en question et s’interroge sur ce qu’elle est, ce qu’elle devient, ce qu’elle veut être, propulsant l’identité organisationnelle au premier plan des préoccupations (Skalen, 2004 ; Meyer & Hammerschmid, 2006). Dans un contexte où l’identité organisationnelle est en proie à tel bouleversement, comment ses membres en font-ils l’expérience ? Ce questionnement, à la base de cet article, se pose en termes d’identification organisationnelle, unissant dans une même équation deux termes centraux : l’identité organisationnelle et les perceptions qu’ont les membres du contexte en évolution. La question que nous adressons est la suivante : dans un contexte d’organisation publique en mutation, quelles sont les dynamiques identitaires à l’oeuvre en regard de la perception des évolutions du contexte des individus ? A partir de l'analyse de la réforme Copernic (introduction du NPM dans l'administration fédérale belge) réalisée en 2005-2006, nous avons élaboré de manière inductive une typologie des logiques et profils identitaires, issue de l’analyse d’entretiens qualitatifs (Rondeaux, 2007, 2008, 2010). Sur base de celle-ci, nous avons mené une enquête par questionnaires auprès d’une administration régionale belge, engagée dans un processus de modernisation, en vue de vérifier l’existence et la pertinence de cette typologie, au moyen d’une démarche quantitative. Réalisée en 2010, cette enquête illustre en particulier trois aspects : 1. les représentations associées au travail au sein de l’administration en regard de son évolution, et le degré d’identification à l’institution dans ce contexte ; 2. la perception de la modernisation et le rôle de la hiérarchie dans cette perspective ; 3. les identités représentées au sein de l’institution (logiques institutionnalisée et alternatives, profils en congruence ou en dissonance). Nous montrons notamment que la majorité des positions est marquée par la dissonance, principalement relative à la valeur ajoutée de la modernisation et à sa mise en œuvre concrète. [less ▲]

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See detailNégocier une majorité politique et devenir bourgmestre en Belgique. Quelles influences des droits régionaux ?
Grandjean, Geoffrey ULg

in Revue Régionale de Droit [= RRD] (in press)

Depuis 2001, les Régions sont compétentes en matière d’organisation et d’élection des pouvoirs locaux. Elles ont adopté des règles différentes. Dans quelle mesure ces règles influencent-elles la ... [more ▼]

Depuis 2001, les Régions sont compétentes en matière d’organisation et d’élection des pouvoirs locaux. Elles ont adopté des règles différentes. Dans quelle mesure ces règles influencent-elles la négociation d’une majorité politique et la désignation des bourgmestres en Belgique ? Afin de répondre à cette question, des entretiens semi-directifs ont été réalisés avec plusieurs bourgmestres et échevin issus de communes localisées dans les trois Régions. Des différences entre Régions mais également au sein de celles-ci ont été relevées. Les dispositions relatives au mode de désignation du bourgmestre sont primordiales pour comprendre les dynamiques de négociations politiques. Au final, cet article tisse les liens entre les normes juridiques et les jeux des acteurs politiques. [less ▲]

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See detailAn enhanced version of a bone remodelling model based on the continuum damage mechanics theory.
Mengoni, Marlène ULg; Ponthot, Jean-Philippe ULg

in Computer Methods in Biomechanics & Biomedical Engineering (in press)

The purpose of this work is to propose an enhancement of Doblaré and García's internal bone remodelling model based on the continuum damage mechanics theory. In their paper, they stated that the evolution ... [more ▼]

The purpose of this work is to propose an enhancement of Doblaré and García's internal bone remodelling model based on the continuum damage mechanics theory. In their paper, they stated that the evolution of the internal variables of the bone microstructure, and its incidence on the modification of the elastic constitutive parameters, may be formulated following the principles of Continuum Damage Mechanics, although no actual damage was considered. The resorption and apposition criteria (similar to the damage criterion) were expressed in terms of a mechanical stimulus. However, the resorption criterion is lacking a dimensional consistency with the remodelling rate. We here propose an enhancement to this resorption criterion, insuring the dimensional consistency while retaining the physical properties of the original remodelling model. We then analyse the change in the resorption criterion hypersurface in the stress space for a 2D analysis. We finally apply the new formulation to analyse the structural evolution of a 2D femur. This analysis gives results consistent with the original model but with a faster and more stable convergence rate. [less ▲]

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See detailSome misunderstood or unknown LaTeX tricks (XIV) and LaTeX learning curve
Merciadri, Luca ULg

in TUGboat (in press)

We will here give three tricks: i. using a personalized \overline, ii. boxing every digit of an integer, iii. using \scalebox. I will then expose my point of view about the LaTeX learning curve, and give ... [more ▼]

We will here give three tricks: i. using a personalized \overline, ii. boxing every digit of an integer, iii. using \scalebox. I will then expose my point of view about the LaTeX learning curve, and give some of the most common beginners’ mistakes. [less ▲]

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See detailCan the collapse of a fly ash heap develop into an air-fluidized flow? - Reanalysis of the Jupille accident (1961)
Stilmant, Frédéric ULg; Pirotton, Michel ULg; Archambeau, Pierre ULg et al

in Geomorphology (in press)

A fly ash heap collapse occurred in Jupille (Liege, Belgium) in 1961. The subsequent flow of fly ash reached a surprisingly long runout and had catastrophic consequences. Its unprecedented degree of ... [more ▼]

A fly ash heap collapse occurred in Jupille (Liege, Belgium) in 1961. The subsequent flow of fly ash reached a surprisingly long runout and had catastrophic consequences. Its unprecedented degree of fluidization attracted scientific attention. As drillings and direct observations revealed no water-saturated zone at the base of the deposits, scientists assumed an air-fluidization mechanism, which appeared consistent with the properties of the material. In this paper, the air-fluidization assumption is tested based on two-dimensional numerical simulations. The numerical model has been developed so as to focus on the most prominent processes governing the flow, with parameters constrained by their physical interpretation. Results are compared to accurate field observations and are presented for different stages in the model enhancement, so as to provide a base for a discussion of the relative influence of pore pressure dissipation and pore pressure generation. These results show that the apparently high diffusion coefficient that characterizes the dissipation of air pore pressures is in fact sufficiently low for an important degree of fluidization to be maintained during a flow of hundreds of meters. [less ▲]

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See detailLa maladie de Lyme entre cadrage infectieux, vectoriel et zoonotique : vers une écologisation des problèmes sanitaires ?
Massart, Clémence ULg

in VertigO : la Revue Electronique en Sciences de l'Environnement (in press)

Cet article est consacré à la qualification de la maladie de Lyme en France. Principale pathologie vectorielle de l’hémisphère nord, la maladie de Lyme est transmise par une tique du genre Ixodes (Ixodes ... [more ▼]

Cet article est consacré à la qualification de la maladie de Lyme en France. Principale pathologie vectorielle de l’hémisphère nord, la maladie de Lyme est transmise par une tique du genre Ixodes (Ixodes ricinus en Europe ; Ixodes persulcatus en Asie ; Ixodes scapularis aux États-Unis et au Canada). Les médecins et les malades ont d’abord développé un cadrage infectieux, ancré dans la santé humaine, réservé à Lyme et soumis à une vive controverse. Progressivement, un second cadrage vectoriel s’est structuré autour des entomologistes médicaux puis des écologues, généralement étrangers à la problématique des maladies humaines. Axé sur le vecteur, ce cadrage englobe les autres maladies transmises par Ixodes ricinus en Europe qui, durant les 30 dernières années, n’ont cessé d’être découvertes : bartonnelles, babésioses, tularémie, encéphalite à tiques, etc. Combinée à ces nouvelles pathologies, la notoriété de Lyme a finalement contribué à ouvrir la catégorie « transmission vectorielle » – traditionnellement associée aux moustiques des pays tropicaux – aux tiques et aux maladies de l’hémisphère nord qu’elles véhiculent. Un troisième cadrage axé sur les réservoirs et qualifié de zoonotique commence enfin à se dessiner. Il faut reconnaître dans cette juxtaposition des cadrages – infectieux, vectoriel et zoonotique – une forme d’écologisation des problèmes sanitaires. [less ▲]

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See detailA note on weighted likelihood and Jeffreys modal estimation of proficiency levels in polytomous item response models
Magis, David ULg

in Psychometrika (in press)

Warm (1989) established the equivalence between the so-called Jeffreys modal and the weighted likelihood estimators of proficiency level with some dichotomous item response models. The purpose of this ... [more ▼]

Warm (1989) established the equivalence between the so-called Jeffreys modal and the weighted likelihood estimators of proficiency level with some dichotomous item response models. The purpose of this note is to extend this result to polytomous item response models. First, a general condition is derived to ensure the perfect equivalence between these two estimators. Second, it is shown that this condition is fulfilled by two broad classes of polytomous models including, among others, the partial credit, rating scale, graded response and nominal response models. [less ▲]

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See detailEffect of post remission therapy prior to reduced intensity conditioning allogeneic transplantation for acute myeloid leukemia in first complete remission
Warlick, Erica; Paulson, Kristjan; Brazauskas, Ruta et al

in Biology of Blood & Marrow Transplantation (in press)

The impact of pre transplant (HCT) cytarabine consolidation therapy on post HCT outcomes has yet to be evaluated after reduced intensity or non-myeloablative conditioning. We analyzed 604 adults with ... [more ▼]

The impact of pre transplant (HCT) cytarabine consolidation therapy on post HCT outcomes has yet to be evaluated after reduced intensity or non-myeloablative conditioning. We analyzed 604 adults with acute myeloid leukemia (AML) in first complete remission (CR1) reported to the CIBMTR who received a RIC or NMA HCT from an HLA-identical sibling, HLA-matched unrelated donor (URD), or umbilical cord blood (UCB) donor in 2000-2010. We compared transplant outcomes based on exposure to cytarabine post remission consolidation. Three year survival rates were 36% (29-43%, 95% CI) in the no consolidation arm and 42% (37-47%, 95% CI) in the cytarabine consolidation arm (p=0.16). Disease free survival was 34% (27-41%, 95% CI) and 41% (35-46%, 95% CI) (p=0.15), respectively. Three year cumulative incidences of relapse were 37% (30-44%, 95% CI) and 38% (33-43%, 95% CI), respectively (p=0.80). Multivariate regression confirmed no effect of consolidation on relapse, DFS and survival. Prior to RIC/NMA HCT, these data suggest pre-HCT consolidation cytarabine does not significantly alter outcomes and support prompt transition to transplant as soon as morphologic CR1 is attained. If HCT is delayed while identifying a donor, our data suggest that consolidation does not increase transplant TRM and is reasonable if required. [less ▲]

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See detailBrains creating stories of selves: the neural basis of autobiographical reasoning.
D'Argembeau, Arnaud ULg; Cassol, Helena; Phillips, Christophe ULg et al

in Social Cognitive and Affective Neuroscience (in press)

Personal identity critically depends on the creation of stories about the self and one's life. The present study investigates the neural substrates of autobiographical reasoning, a process central to the ... [more ▼]

Personal identity critically depends on the creation of stories about the self and one's life. The present study investigates the neural substrates of autobiographical reasoning, a process central to the construction of such narratives. During fMRI scanning, participants approached a set of personally significant memories in two different ways: on some trials, they remembered the concrete content of the events (autobiographical remembering), whereas on other trials they reflected on the broader meaning and implications of their memories (autobiographical reasoning). Relative to remembering, autobiographical reasoning recruited a left-lateralized network involved in conceptual processing (including the dorsal medial prefrontal cortex (MPFC), inferior frontal gyrus, middle temporal gyrus, and angular gyrus). The ventral MPFC-an area that may function to generate personal/affective meaning-was not consistently engaged during autobiographical reasoning across participants but, interestingly, the activity of this region was modulated by individual differences in interest and willingness to engage in self-reflection. These findings support the notion that autobiographical reasoning and the construction of personal narratives go beyond mere remembering in that they require deriving meaning and value from past experiences. [less ▲]

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See detailCarrying capacity of stainless steel columns in the low slenderness range.
Rossi, Barbara ULg; Rasmussen, Kim J.R.

in Journal of Structural Engineering (in press)

The strength of thin-walled stainless steel columns has been investigated extensively over the past few years. In European standards, the concept of section classification for determining the cross ... [more ▼]

The strength of thin-walled stainless steel columns has been investigated extensively over the past few years. In European standards, the concept of section classification for determining the cross-section capacity is used. In this system, for Class 4 cross-sections, the Effective Width Method (EWM) must be used to account for the effect of local buckling. Because of the complexity and limitations of this method, other methods have been developed, such as the Direct Strength Method (DSM) for cold-formed thin-walled profiles and the Continuous Strength Method (CSM), initially established for members made of nonlinear metallic materials. In the CSM, to take advantage of strain hardening, a deformation-based design approach employing a continuous relationship between the cross-sectional slenderness and the cross-sectional deformation capacity is used. To a large extent, the CSM yield accurate predictions, especially in the low slenderness range where the current DSM design procedures for members submitted to pure compression tends to produce conservative predictions, for materials with pronounced strain hardening such as stainless steel alloys. The present paper presents an extension of the traditional DSM which provides accurate design strength predictions in the low slenderness range for stainless steel thin-walled section columns failing by distortional, local and overall buckling. It contains practical information concerning the reference experimental data and draws conclusions about the justification of the proposed analytical formula. The paper is divided into three main parts: the description of the database, the establishment of the design model and a reliability analysis of the method. [less ▲]

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See detailLe point sur l’évaluation de la force des muscles respiratoires
Kellens, Isabelle ULg; Crielaard, Jean-Michel ULg

in Revue Médicale de Liège (in press)

The strength of respiratory muscles is crucial for quality of life, especially for patients with lung or neurological disorders. Several methods can be used to assess them: i.e direct or indirect ... [more ▼]

The strength of respiratory muscles is crucial for quality of life, especially for patients with lung or neurological disorders. Several methods can be used to assess them: i.e direct or indirect, voluntary or involuntary. The conventional spirometry method assesses indirectly the respiratory function by measuring maximum inspiratory and expiratory pressure, which reflects the coordination of all respiratory muscles. Techniques of magnetic and electrical stimulation can detect a specific muscle dysfunction, independently of the patient's motivation, however they are invasive methods as measurements are made in the esophagus and stomach. The voluntary techniques are generally non-invasive and require patient's cooperation. Measures of respiratory muscle strength, coupled to a conventional spirometry, can predict the development of ventilatory support in patients at risk, and may be useful during weaning from mechanical ventilation in intensive care units. [less ▲]

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See detailScience et Dynastie en Belgique : les "conseillers scientifiques" du Roi sous Albert Ier et Léopold III
Pirot, Pascal ULg

in Mosaïque, revue de jeunes chercheurs en SHS – Lille Nord de France – Belgique (in press)

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See detailDe Jacques Antoine aux Eperonniers : l'édition littéraire en Belgique au passé et au présent (seconde partie)
Durand, Pascal ULg; Habrand, Tanguy ULg

in Textyles : Revue des Lettres Belges de Langue Française (in press)

Second volet d'un article en deux parties portant sur l'édition littéraire contemporaine en Belgique, autour de deux maisons importantes : les éditions Jacques Antoine et les éditions des Eperonniers. La ... [more ▼]

Second volet d'un article en deux parties portant sur l'édition littéraire contemporaine en Belgique, autour de deux maisons importantes : les éditions Jacques Antoine et les éditions des Eperonniers. La seconde partie de cette étude porte plus précisément sur la transition d'une maison à l'autre et sur la politique de la création contemporaine suivie par Lysiane d'Hayere aux Eperonniers. [less ▲]

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See detailCloistered Baryogenesis
Aristizabal Sierra, Diego ULg; Fong, Chee Sheng; Nardi, Enrico et al

in Journal of Cosmology and Astroparticle Physics [= JCAP] (in press)

The cosmological matter-antimatter asymmetry can arise from the baryon number conserving CP asymmetry in two body decays of heavy particles, when the two final states carry equal and opposite baryon ... [more ▼]

The cosmological matter-antimatter asymmetry can arise from the baryon number conserving CP asymmetry in two body decays of heavy particles, when the two final states carry equal and opposite baryon number, and one couples directly or indirectly to electroweak sphalerons so that its baryon asymmetry gets partly reprocessed into a lepton asymmetry, while the other remains chemically decoupled from the thermal bath with its baryon content frozen. After sphaleron switchoff the decay of the decoupled particles inject in the thermal plasma an unbalanced baryon asymmetry, giving rise to baryogenesis. We highlight the features of this mechanism in a type-I seesaw model extended by adding a new colored scalar coupled to the heavy Majorana neutrinos. If the colored scalar has an O(TeV) mass, it would leave at the LHC a characteristic signature throughout all layers of the detectors. [less ▲]

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See detailExamen métalexicographique des arabismes du TLF: une tentative de classement chronologique des emprunts directs et indirects du français à l'arabe
Baiwir, Esther ULg

in Revue de Linguistique Romane (in press), 78

Parmi les nombreux mots traditionnellement étiquetés comme «arabismes» figurent des cas relevant de classes diverses. Nous jetons ici un regard diachronique et global sur cette classe de lexèmes ... [more ▼]

Parmi les nombreux mots traditionnellement étiquetés comme «arabismes» figurent des cas relevant de classes diverses. Nous jetons ici un regard diachronique et global sur cette classe de lexèmes particuliers, parmi lesquels nous distinguons les emprunts dits directs, émanant de contacts récurrents et prolongés entre populations arabophones et populations francophones, et les emprunts dits indirects, qu'en toute rigueur nous devrions exclure de notre étude en vertu de la défiance légitime envers l'etimologia remota. Nous tentons cependant de montrer que cette méfiance mérite d'être nuancée à l'aune des conclusions que cette pratique lexicographique permet de tirer sur les mouvements socio-historiques qu'elle illustre. En effet, de l'examen des itinéraires et des époques d'emprunt se dégage l'histoire des relations entre monde arabophone et monde roman. [less ▲]

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See detailDire et décrire le présent dans les lettres de Francesco Guicciardini (1483-1540)
Miesse, Hélène ULg

in Mosaïque (in press)

Depuis les travaux de Jean-Louis FOURNEL et Jean-Claude ZANCARINI, notamment, il est établi que les auteurs florentins qui vécurent à l’époque des guerres d’Italie identifièrent immédiatement la nouveauté ... [more ▼]

Depuis les travaux de Jean-Louis FOURNEL et Jean-Claude ZANCARINI, notamment, il est établi que les auteurs florentins qui vécurent à l’époque des guerres d’Italie identifièrent immédiatement la nouveauté et le caractère extraordinaire des faits qui bouleversèrent leur époque. Parmi ceux-ci, le célèbre Nicolas Machiavel mais aussi son ami et contemporain, Francesco Guicciardini, qui, si l’histoire littéraire ne lui a pas toujours fait la part belle, retrouve ces dernières années la place qui lui revient dans celle des idées. Auteur, historiographe mais aussi lieutenant des troupes pontificales lors de la Ligue de Cognac et, donc, acteur de l’histoire en train de se jouer, Francesco Guicciardini est en prise directe avec les événements ; dans sa volumineuse correspondance se mêlent petite et grande Histoire. Or, si le substantif et l’adjectif « contemporaneo » existent en italien depuis Dante au moins, Guicciardini n’en fait l’usage ni dans ses œuvres, ni dans ses lettres qui ne comptent aucune occurrence du terme. Partant de ce constat, je me propose, dans mon article, de relever et d’analyser le langage utilisé par Guicciardini pour nommer le moment auquel il vit, en cerner les contours et la façon dont celui-ci se distingue de ce qui précède pour former un moment à part : les expressions qui disent le présent (tempo presente/tempi presenti, questi tempi, medesimi tempi) et celles qui le caractérisent (conditione de' tempi, extraordinario, tempi strani) ou qui expriment le moyen de l’affronter (remedii conformi a’ tempi) seront, dès lors, au centre de mon attention. [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 detailApprentissage collectif et réflexivité systémique: le rôle des aceurs tiers dans la structuration des méta-organisations
Xhauflair, Virginie ULg

in Interventions Economiques = Papers in Political Economy (in press)

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See detailEnzymatic characterization of recombinant alpha-amylase in the Drosophila melanogaster species subgroup: is there an effect of specialization on digestive enzyme?
Commin, Céline; Aumont-Nicaise, Magali; Claisse, Gaëlle et al

in Genes & Genetic Systems (in press)

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See detailNGOs and female circumcision in Egypt. An anthropological enquiry.
Mescoli, Elsa ULg

in Journal of the Anthropology of the Contemporary Middle East and Central Eurasia (in press)

In 1994, during the International Conference on Population and Development convened by the United Nations in Cairo, a shocking video was shown, realized by an operator of CNN and depicting the ... [more ▼]

In 1994, during the International Conference on Population and Development convened by the United Nations in Cairo, a shocking video was shown, realized by an operator of CNN and depicting the circumcision of a ten-year-old child living in this very same city. Discourses around female circumcision were not new in Egypt and in the international community, but what was considered as a new episode of a recurrent scandal (not the last one indeed) led to enhance the "war against bad government"[1]. A war fought by means of ideological weapons produced by expert knowledges among which the medical and the feminist ones. The assignment of a value to the state of integrity of the female body and to the women freedom of choice, both designed according to Western canons, led to different actions to “save” Egyptian women. In this context, development agencies fosters a widespread representation of the victim, constituted by the woman mutilated body. Such representation is functional to put in place programs which do not guarantee a freedom of choice, but rather require adherence to another female model, one that defines the "modern" woman. My article, based on ethnographic experience, aims at highlighting the complexity of such dynamics and the role played by humanitarianism within them. Female body becomes the arena where local and international economic powers operate, disregarding a real understanding of the practice, its meanings and its eventual change. ________________________________________ [1] Foucault, Michel. La nascita della clinica. Il ruolo della medicina nella costituzione delle scienze umane, Einaudi, Torino 1969: 48. [less ▲]

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See detailRéexamen du dessin du codex miscellaneus de Montserrat (P. Montserrat inv. nr. 154 = MP³ 2916.41)
Macedo, Gabriel ULg

in Aegyptus (in press), 90

New interpretation of the drawing of a mythological hero in the 4th Montserrat codex miscellaneus.

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See detailPhysiological and bio-functional properties of gum arabic: a notable interest for certain human diseases
Eloundou Mballa, Pierre; Goffin, Dorothée ULg; Destain, Jacqueline ULg et al

in Biotechnologie, Agronomie, Société et Environnement = Biotechnology, Agronomy, Society and Environment [=BASE] (in press)

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See detailMultiple fMRI system-level baseline connectivity is disrupted in patients with consciousness alterations
Demertzi, Athina ULg; Gomez, Francisco; Crone, Julia-Sophia et al

in Cortex : A Journal Devoted to the Study of the Nervous System & Behavior (in press)

Introduction: In healthy conditions, group-level fMRI resting state analyses identify ten resting state networks (RSNs) of cognitive relevance. Here, we aim to assess the tennetwork model in severely ... [more ▼]

Introduction: In healthy conditions, group-level fMRI resting state analyses identify ten resting state networks (RSNs) of cognitive relevance. Here, we aim to assess the tennetwork model in severely brain-injured patients suffering from disorders of consciousness and to identify those networks which will be most relevant to discriminate between patients and healthy subjects. Methods: 300 fMRI volumes were obtained in 27 healthy controls and 53 patients in minimally conscious state (MCS), vegetative state/unresponsive wakefulness syndrome (VS/ UWS) and coma. Independent component analysis (ICA) reduced data dimensionality. The ten networks were identified by means of a multiple template-matching procedure and were tested on neuronality properties (neuronal vs non-neuronal) in a data-driven way. Univariate analyses detected between-group differences in networks’ neuronal properties and estimated voxel-wise functional connectivity in the networks, which were significantly less identifiable in patients. A nearest-neighbor “clinical” classifier was used to determine the networks with high between-group discriminative accuracy. Results: Healthy controls were characterized by more neuronal components compared to patients in VS/UWS and in coma. Compared to healthy controls, fewer patients in MCS and VS/UWS showed components of neuronal origin for the left executive control network, default mode network (DMN), auditory, and right executive control network. The “clinical” classifier indicated the DMN and auditory network with the highest accuracy (85.3%) in discriminating patients from healthy subjects. [less ▲]

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See detailDifferential cadmium and zinc distribution in relation to their physiological impact in the leaves of the accumulating Zygophyllum fabago L
LEFÈVRE, Isabelle; VOGEL‐MIKUŠ, Katarina; JEROMEL, Luka et al

in Plant, cell & environment (in press)

Cadmium and zinc share many similar physiochemical properties, but their compartmentation, complexation and impact on other mineral element distribution in plant tissues may drastically differ. In this ... [more ▼]

Cadmium and zinc share many similar physiochemical properties, but their compartmentation, complexation and impact on other mineral element distribution in plant tissues may drastically differ. In this study, we address the impact of 10-μM Cd or 50-μM Zn treatment on ion distribution in leaves of a metallicolous population of the non-hyperaccumulating species Zygophyllum fabago at tissue and cell level, and the consequences on the plant response through a combined physiological, proteomic and metabolite approach. Micro-proton induced X-ray emission and laser ablation inductively coupled mass spectrometry analyses indicated hot spots of Cd concentrations in the vicinity of vascular bundles in response to Cd treatment, essentially bound to S-containing compounds as revealed by extended X-Ray absorption fine structure and non-protein thiol compounds analyses. A preferential accumulation of Zn occurred in vascular bundle and spongy mesophyll in response to Zn treatment, and was mainly bound to O/N-ligands. Leaf proteomics and physiological status evidenced a protection of photosynthetically active tissues and the maintenance of cell turgor through specific distribution and complexation of toxic ions, reallocation of some essential elements, synthesis of proteins involved in photosynthetic apparatus or C-metabolism, and metabolite synthesis, with some specificities regarding the considered heavy metal treatment. [less ▲]

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See detailPérils de la copie : les cas de l’Estoire del Saint Graal, du Merlin et de la Suite Vulgate
Combes, Annie ULg

in Cahiers de Civilisation Médiévale (in press)

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See detailApport de la musculation en sport collectifamateur : exemple du handball féminin
Jidovtseff, Boris ULg; Frère, Pauline; Theunissen, Catherine ULg

in Science & Sports (in press)

Introduction. — The aim of the study was to verify, in a non-professional handball female, if theintroduction of two short workouts per week during all season has a positive impact on muscularperformance ... [more ▼]

Introduction. — The aim of the study was to verify, in a non-professional handball female, if theintroduction of two short workouts per week during all season has a positive impact on muscularperformance.Methods. — Eighteen female playing handball at the top Belgian level were monitored duringthe complete season. Ten of these girls (‘‘Muscu’’ group) achieved, in addition to their usualtraining, two short (30 minutes) strength training sessions weekly. The other (‘‘Control’’ group)followed the usual training, without any strength training session. A battery of tests (leg power,arm power, vertical jump, sprint, throwing, flexibility) has been set up to four times during theseason to follow up muscular performance.Results. — According to the literature, the ‘‘Control’’ group showed any change in performanceduring the year. By contrast, ‘‘Muscu group results demonstrated that the short strength trai-ning program was efficient, with significant improvements in leg power (P < 0.005) and sprint(P < 0.05) tests. Increase in vertical jump was very close to the level of significance (P = 0.06).Arms power did not improve but appeared to be superior in the ‘‘Muscu’’ group in comparisonwith ‘‘Control’’ at the end of the season, which was not the case at the beginning.© 2013 Elsevier Masson SAS. All rights reserved. [less ▲]

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See detailSarapis et Neôtera élus parmi les dieux
Veymiers, Richard ULg

in Revue Archéologique (in press)

One of the bronze plates formerly in the Bianchini collection, which entered the Cabinet des Médailles (Paris) at the end of the 18th century, bears a text and an image, supposedly unintelligible and ... [more ▼]

One of the bronze plates formerly in the Bianchini collection, which entered the Cabinet des Médailles (Paris) at the end of the 18th century, bears a text and an image, supposedly unintelligible and therefore thought to be of a magic nature. A new examination of this artefact, actually the main part of a bracelet, shows that it depicts an assembly of twenty-eight divinities, illustrating the religious landscape of Egypt in the 2nd-3rd century, and that it is inscribed with two short acclamations. The first one exalts the greatness of the name of Sarapis, the second that of Neôtera the invincible. The identity of this goddess is difficult to define, but she often seems to correspond to a form of Isis assimilated to Korè. The glorifying invocation of these two gods, depicted with their pantheon, may be considered to be an expression of what is today called “megatheism”. [less ▲]

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See detailReview: Yves Gingras, Sociologie des sciences, Paris, PUF, 2013, pp.128
Vangeebergen, Thomas ULg

in Tecnoscienza (in press), 5(1),

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See detailManagement of cases suffering from atypical myopathy:Interpretations of descriptive, epidemiological and pathophysiological findings. Part 2: Muscular, urinary, respiratory and hepatic care, and inflammatory/infectious status
Van Galen, Gaby ULg; Votion, Dominique ULg

in Equine Veterinary Education (in press)

Atypical myopathy is highly fatal, but about a quarter of affected horses survive. This highlights the need for provision of supportive treatment for these patients. This review is a practical guideline ... [more ▼]

Atypical myopathy is highly fatal, but about a quarter of affected horses survive. This highlights the need for provision of supportive treatment for these patients. This review is a practical guideline for equine practitioners and includes suggestions for close monitoring of involved organ systems and discusses options of supportive treatment based on current knowledge of the condition. Part 2 covers the muscular, urinary, respiratory and hepatic systems, and the general inflammatory/infectious status of the case. [less ▲]

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See detailEvaluation of the quantitative performances of Supercritical Fluid Chromatography : from method development to validation
Dispas, Amandine ULg; Lebrun, Pierre ULg; Ziemons, Eric ULg et al

in Journal of Chromatography. A (in press)

Recently, the number of papers about SFC increased drastically but scientists did not truly focus their work on quantitative performances of this technique. In order to prove the potential of UHPSFC, the ... [more ▼]

Recently, the number of papers about SFC increased drastically but scientists did not truly focus their work on quantitative performances of this technique. In order to prove the potential of UHPSFC, the present work discussed about the different steps of the analytical life cycle of a method: from development to validation and application. Moreover, the UHPSFC quantitative performances were evaluated in comparison with UHPLC, which is the main technique used for quality control in the pharmaceutical industry and then could be considered as a reference. The methods were developed using Design Space strategy, leading to the optimization of robust method. In this context, when the Design Space optimization shows guarantee of quality, no more robustness study is required prior to the validation. Then, the methods were geometrically transferred in order to reduce the analysis time. The UHPSFC and UHPLC methods were validated based on the total error approach using accuracy profile. Even if UHPLC showed better precision and sensitivity, UHPSFC method is able to give accurate results in a dosing range larger than the 80–120% range required by the European Medicines Agency. Consequently, UHPSFC results are valid and could be used for the control of active substance in a finished pharmaceutical product. Finally, UHPSFC validated method was used to analyse real samples and gave similar results than the reference method (UHPLC). [less ▲]

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See detailSocial Coops: When Social Enterprises Meet the Cooperative Tradition
Defourny, Jacques ULg; Nyssens, Marthe

in Journal of Entrepreneurial and Organizational Diversity (in press)

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See detailHigh concentrations of Myeloperoxidase in the equine uterus as an indicator of endometritis
Parrilla Hernandez, Sonia ULg; Ponthier, Jérôme ULg; Franck, Thierry ULg et al

in Theriogenology (in press)

Intra-luminal fluid and excessive abnormal hyper-edema are regularly used for the diagnosis of endometritis in the mare, which is routinely confirmed by the presence of neutrophils on endometrial smears ... [more ▼]

Intra-luminal fluid and excessive abnormal hyper-edema are regularly used for the diagnosis of endometritis in the mare, which is routinely confirmed by the presence of neutrophils on endometrial smears. Studies show a relation between neutrophils and myeloperoxidase (MPO), an enzyme contained in and released by neutrophils during degranulation or after cell lysis. This enzyme has been found in many fluids and tissues and associated with different inflammatory pathologies in the horse. The aims of this study were to assess the presence and concentration of MPO in the equine uterus, and to investigate its relation with neutrophils, and other clinical signs of endometritis. Mares (n=51) were evaluated for presence of intra-luminal fluid and excessive endometrial edema before breeding, and a small volume lavage and cytology samples were obtained. From 69 cycles, supernatant of the uterine flushes was analysed with a specific equine MPO ELISA assay to measure MPO concentration. Cytology samples were used for the diagnosis of endometritis. MPO was present in the uterus of all estrus mares in highly variable concentrations. MPO concentrations were significantly (p<0.05) higher in samples with positive cytologies and in presence of intra-luminal fluid. Occasionally, some samples with negative cytologies showed high MPO concentration, but the opposite was never observed. Cycles presenting hyper-edema weren’t associated to high concentration of MPO, intra-luminal fluid or positive cytology making it a poor diagnostic tool of endometritis. [less ▲]

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See detailMultitasking capacities in persons diagnosed with schizophrenia: A preliminary examination of their neurocognitive underpinnings and ability to predict real world functioning
Laloyaux, Julien ULg; Van der Linden, Martial ULg; Levaux, Marie-Noëlle ULg et al

in Psychiatry Research (in press)

Difficulties in everyday life activities are core features of persons diagnosed with schizophrenia and in particular during multitasking activities. However, at present, patients' multitasking capacities ... [more ▼]

Difficulties in everyday life activities are core features of persons diagnosed with schizophrenia and in particular during multitasking activities. However, at present, patients' multitasking capacities have not been adequately examined in the literature due to an absence of suitable assessment strategies. We thus recently developed a computerized real-life activity task designed to take into account the complex and multitasking nature of certain everyday life activities where participants are required to prepare a room for a meeting. Twenty-one individuals diagnosed with schizophrenia and 20 matched healthy controls completed the computerized task. Patients were also evaluated with a cognitive battery, measures of symptomatology and real world functioning. To examine the ecological validity, 14 other patients were recruited and were given the computerized version and a real version of the meeting preparation task. Results showed that performance on the computerized task was significantly correlated with executive functioning, pointing to the major implication of these cognitive processes in multitasking situations. Performance on the computerized task also significantly predicted up to 50% of real world functioning. Moreover, the computerized task demonstrated good ecological validity. These findings suggest the importance of evaluating multitasking capacities in patients diagnosed with schizophrenia in order to predict real world functioning. [less ▲]

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See detailAssessment of Solvent Degradation within a Global Process Model of Post-Combustion CO2 Capture
Léonard, Grégoire ULg; Toye, Dominique ULg; Heyen, Georges ULg

in Computer Aided Chemical Engineering (in press), 33

Solvent degradation may be a major drawback for the large-scale implementation of post-combustion CO2 capture due to amine consumption and emission of degradation products. However, its influence on the ... [more ▼]

Solvent degradation may be a major drawback for the large-scale implementation of post-combustion CO2 capture due to amine consumption and emission of degradation products. However, its influence on the process operations has rarely been studied. In the present work, a kinetics model describing solvent oxidative and thermal degradation has been developed based on own experimental results for the benchmark solvent, i.e. 30 wt% monoethanolamine (MEA) in water. This model has been included into a global Aspen Plus model of the CO2 capture process. The selected process modelling approaches are described in the present work. Using the resulting simulation model, optimal operating conditions can be identified to minimize both the energy requirement and the solvent degradation in the process. This kind of process model assessing solvent degradation may contribute to the design of large-scale CO2 capture plants to consider not only the process energy penalty, but also its environmental penalty. Indeed, both aspects are relevant for the large-scale deployment of the CO2 capture technology. [less ▲]

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See detailTransit confirmation and improved stellar and planet parameters for the super-Earth HD 97658 b and its host star
Van Grootel, Valérie ULg; Gillon, Michaël ULg; Valencia, D. et al

in Astrophysical Journal (in press)

Super-Earths transiting nearby bright stars are key objects that simultaneously allow for accurate measurements of both their mass and radius, providing essential constraints on their internal composition ... [more ▼]

Super-Earths transiting nearby bright stars are key objects that simultaneously allow for accurate measurements of both their mass and radius, providing essential constraints on their internal composition. We present here the confirmation, based on Spitzer transit observations, that the super-Earth HD 97658 b transits its host star. HD 97658 is a low-mass ($M_*=0.77\pm0.05\,M_{\odot}$) K1 dwarf, as determined from the Hipparcos parallax and stellar evolution modeling. To constrain the planet parameters, we carry out Bayesian global analyses of Keck-HIRES radial velocities, and MOST and Spitzer photometry. HD 97658 b is a massive ($M_P=7.55^{+0.83}_{-0.79} M_{\oplus}$) and large ($R_{P} = 2.247^{+0.098}_{-0.095} R_{\oplus}$ at 4.5 $\mu$m) super-Earth. We investigate the possible internal compositions for HD 97658 b. Our results indicate a large rocky component, by at least 60% by mass, and very little H-He components, at most 2% by mass. We also discuss how future asteroseismic observations can improve the knowledge of the HD 97658 system, in particular by constraining its age. Orbiting a bright host star, HD 97658 b will be a key target for coming space missions TESS, CHEOPS, PLATO, and also JWST, to characterize thoroughly its structure and atmosphere. [less ▲]

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See detailHistoire et expérience fondatrice dans Sein und Zeit
Zincq, Aurélien ULg

in Bulletin d'Analyse Phénoménologique (in press)

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See detailEnjeux politiques et critiques d'une philosophie des normes
Caeymaex, Florence ULg; Pieron, Julien ULg

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

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See detailA Text Structure Indicator and two Topological Methods: New Ways for Studying Latin Historic Narratives
Longrée, Dominique ULg; Mellet, Sylvie

in International Journal of Corpus Linguistics (in press)

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See detailRelationships between mind-wandering and attentional control abilities in young adults and adolescents
Stawarczyk, David ULg; Majerus, Steve ULg; Catale, Corinne ULg et al

in Acta Psychologica (in press)

Recent findings suggest that mind-wandering—the occurrence of thoughts that are both stimulus-independent and task-unrelated—corresponds to temporary failures in attentional control processes involved in ... [more ▼]

Recent findings suggest that mind-wandering—the occurrence of thoughts that are both stimulus-independent and task-unrelated—corresponds to temporary failures in attentional control processes involved in maintaining constant task-focused attention. Studies supporting this proposal are, however, limited by a possible confound between mind-wandering episodes and other kinds of conscious experiences, such as external distractions (i.e., interoceptive sensations and exteroceptive perceptions). In the present study, we addressed this issue by examining, in adolescents and young adults, the relations between tasks measuring attentional control abilities and a measure of mind-wandering that is distinct from external distractions. We observed (1) that adolescents experienced more frequent external distractions, but not more mind-wandering, than young adults during the Sustained Attention to Response Task (SART) and (2) that, in young adults, the influence of external distractions on SART performance was fully accounted for by attentional control abilities, whereas mind-wandering was associated with decreases in SART performance above and beyond what was explained by attentional control abilities. These results show that mind-wandering cannot be entirely reduced to failures in the ability to maintain one’s attention focused on task, and suggest that external distractions rather than mind-wandering are due to attentional control failures. [less ▲]

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See detailCOMMENT JE TRAITE ... L’arrêt cardio-respiratoire extrahospitalier : la fenêtre du centraliste 112
STIPULANTE, Samuel ULg; ZANDONA, Régine; EL-FASSI, Mehdi ULg et al

in Revue Médicale de Liège (in press), 69

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See detailHost-habitat location by the parasitoid, Nasonia vitripennis Walker (Hymenoptera: Pteromalidae).
Frederickx, Christine ULg; Dekeirsschieter, Jessica ULg; Verheggen, François ULg et al

in Journal of Forensic Sciences (in press)

This study investigated the role of odorant cues used during host-habitat location by the generalist parasitoid, Nasonia vitripennis Walker. N vitripennis is a common parasitoid of Dipteran pupae found in ... [more ▼]

This study investigated the role of odorant cues used during host-habitat location by the generalist parasitoid, Nasonia vitripennis Walker. N vitripennis is a common parasitoid of Dipteran pupae found in association with decaying carrion. Behavioral assays were used to investigate the host-habitat searching behavior under different scenarios. First, we demonstrated N. vitripennis to be significantly attracted toward odorant cues associated with decaying meat. The biological activity of nine of the volatile molecules constituting the odor of decaying meat were tested on the searching behavior of parasitoid females through two complementary chemoecological approaches: electronantennography (EAG) and olfactometry bioassays. Butanoic acid and butan-1-ol elicited high olfactory responses, but no attraction was induced by these two chemicals. Behavioral assays showed that, among the VOCs tested, methyldisulfanylmethane (DMDS) was the only volatile chemical to induce attraction in N. vitripennis. [less ▲]

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See detailQuantitative temperature monitoring of a heat tracing experiment using cross-borehole ERT
Hermans, Thomas ULg; Wildemeersch, Samuel ULg; Jamin, Pierre ULg et al

in Geothermics (in press)

The growing demand for renewable energy leads to an increase in the development of geothermal energy projects and heat has become a common tracer in hydrology and hydrogeology. Designing geothermal ... [more ▼]

The growing demand for renewable energy leads to an increase in the development of geothermal energy projects and heat has become a common tracer in hydrology and hydrogeology. Designing geothermal systems requires a multidisciplinary approach including geological and hydrogeological aspects. In this context, electrical resistivity tomography (ERT) can bring relevant, qualitative and quantitative information on the temperature distribution in operating shallow geothermal systems or during heat tracing experiments. We followed a heat tracing experiment in an alluvial aquifer using cross-borehole time-lapse ERT. Heated water was injected in a well while water of the aquifer was extracted at another well. An ERT section was set up across the main flow direction. The results of ERT were transformed into temperature using calibrated petrophysical relationships. These ERT-derived temperatures were then compared to direct temperature measurements in control piezometers collected with distributed temperature sensing (DTS) and groundwater temperature loggers. Spatially, it enabled to map the horizontal and vertical extent of the heated water plume, as well as the zones where maximum temperatures occurred. Quantitatively, the temperatures and breakthrough curves estimated from ERT were in good agreement with the ones observed directly during the rise and maximum of the curve. An overestimation, likely related to 3D effects, was observed for the tail of the heat breakthrough curve. The error made on temperature can be estimated to be between 10 to 20 %, which is a fair value for indirect measurements. From our data, we estimated a quantification threshold for temperature variation of 1.2°C. These results suggest that ERT should be considered when designing heat tracing experiments or geothermal systems. It could help also to assess the geometrical complexity of the concerned reservoirs. It also appears that ERT could be a useful tool to monitor and control geothermal systems once they are in operation. [less ▲]

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See detailSome misunderstood or unknown tricks (X) (LaTeX)
Merciadri, Luca ULg

in TUGboat (in press)

This is the 10th edition of my TUGboat `Tips & Tricks.' This time, we shall first see how to write `dancing text,' roman numerals, how to draw under and over braces on same elements, and how to display ... [more ▼]

This is the 10th edition of my TUGboat `Tips & Tricks.' This time, we shall first see how to write `dancing text,' roman numerals, how to draw under and over braces on same elements, and how to display aligned (in)equations systems. We will then end by discussing on BibLaTeX and Biber, which constitute a promising alternative to BibTeX. [less ▲]

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See detailL'idéologie de la Nieuw‐Vlaamse Alliantie
Jamin, Jérôme ULg

in Revue européenne de géopolitique Outre-Terre (in press)

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See detailImpact of vocal load on breathiness: Perceptual evaluation
Remacle, Angélique ULg; Schoentgen, Jean; FINCK, Camille ULg et al

in Logopedics, Phoniatrics, Vocology (in press)

Objectives: To evaluate the impact on voice of 2 hours of continuous oral reading. Methods: Fifty normophonic women underwent two sessions of voice loading in which the required intensity level varied: 60 ... [more ▼]

Objectives: To evaluate the impact on voice of 2 hours of continuous oral reading. Methods: Fifty normophonic women underwent two sessions of voice loading in which the required intensity level varied: 60-65 dB(A) for the first session, and 70-75 dB(A) for the second session. Ten expert judges evaluated the breathiness of one sentence recorded before and after each loading session. Pairs of stimuli were presented randomly to the judges, who were asked to designate the breathiest sample. Results: A significant decrease in breathiness was observed following both sessions, suggesting an improvement of voice subsequent to loading. When comparing the two intensity levels, no difference was found for breathiness after vocal loading. [less ▲]

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See detailDe Jacques Antoine aux éditions des Eperonniers : l'édition littéraire en Belgique au passé et au présent (première partie)
Durand, Pascal ULg; Habrand, Tanguy ULg

in Textyles : Revue des Lettres Belges de Langue Française (in press)

Première partie (POSITION ÉDITORIALE ET PATRIMONIALISATION LITTÉRAIRE : JACQUES ANTOINE) d'un article en deux volets dont le second porte sur la transition des éditions Jacques Antoine aux éditions des ... [more ▼]

Première partie (POSITION ÉDITORIALE ET PATRIMONIALISATION LITTÉRAIRE : JACQUES ANTOINE) d'un article en deux volets dont le second porte sur la transition des éditions Jacques Antoine aux éditions des Eperonniers et sur l'histoire et la politique éditoriale de cette dernière maison (CRÉATION CONTEMPORAINE ET POLITIQUES DU LIVRE : LYSIANE D’HAEYERE AUX ÉPERONNIERS). [less ▲]

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See detailEclairer les performances par une analyse après coup pour évaluer des compétences professionnelles
Chenu, Florent ULg

in Revue Française de Pédagogie (in press)

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See detailLa réflexivité : de la vertu épistémologique aux versions mises en rapports, en passant par les incidents diplomatiques
Thoreau, François ULg; Despret, Vinciane ULg

in Revue d'Anthropologie des Connaissances (in press)

Dans cet article, nous proposons la mise en œuvre d’un dispositif d’enquête que nous qualifions de « diplomatique ». L’objet de cette enquête est la question de la réflexivité des scientifiques. Tout au ... [more ▼]

Dans cet article, nous proposons la mise en œuvre d’un dispositif d’enquête que nous qualifions de « diplomatique ». L’objet de cette enquête est la question de la réflexivité des scientifiques. Tout au long de l’article, nous explorons avec les scientifiques que nous avons rencontré différents modes sur lesquels peut se décliner cette « réflexivité ». Toutefois, chacun de ces modes nous invite à considérer plusieurs manières de partager ce problème et de le construire avec eux. Chemin faisant, il n’y a donc pas que la question de la réflexivité qui bifurque, mais également le sens même de l’approche diplomatique à laquelle nous nous étions assignés. C’est à cette exploration conjointe des significations de la réflexivité des scientifiques et des modalités de la diplomatie que nous convions le lecteur. [less ▲]

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See detailProposed terms and concepts for describing and evaluating animal-health surveillance systems
Hoinville, LJ; Alban, L; Drewe, JA et al

in Preventive Veterinary Medicine (in press)

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See detailInfluence of Homogenization Treatment on Physicochemical 4 Properties and Enzymatic Hydrolysis Rate of Pure 5 Cellulose Fibers
Jacquet, Nicolas ULg; Vanderghem, Caroline ULg; Danthine, Sabine ULg et al

in Applied Biochemistry and Biotechnology (in press)

The aim of this study is to compare the effect of different homogenization treat- 12 ments on the physicochemical properties and the hydrolysis rate of a pure bleached 13 cellulose. Results obtained show ... [more ▼]

The aim of this study is to compare the effect of different homogenization treat- 12 ments on the physicochemical properties and the hydrolysis rate of a pure bleached 13 cellulose. Results obtained show that homogenization treatments improve the enzymatic 14 hydrolysis rate of the cellulose fibers by 25 to 100 %, depending of the homogenization 15 treatment applied. Characterization of the samples showed also that homogenization had an 16 impact on some physicochemical properties of the cellulose. For moderate treatment inten- 17 sities (pressure below 500 b and degree of homogenization below 25), an increase of water 18 retention values (WRV) that correlated to the increase of the hydrolysis rate was highlighted. 19 Result also showed that the overall crystallinity of the cellulose properties appeared not to be 20 impacted by the homogenization treatment. For higher treatment intensities, homogenized 21 cellulose samples developed a stable tridimentional network that contributes to decrease 22 cellulase mobility and slowdown the hydrolysis process. [less ▲]

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See detailAlgebrability and nowhere Gevrey differentiability
Bastin, Françoise ULg; J. Alberto, Conejero; Esser, Céline ULg et al

in Israel Journal of Mathematics (in press)

We show that there exist c-generated algebras (and dense in C^infty([0,1])) every nonzero element of which is a nowhere Gevrey diff erentiable function. This leads to results of dense algebrability (and ... [more ▼]

We show that there exist c-generated algebras (and dense in C^infty([0,1])) every nonzero element of which is a nowhere Gevrey diff erentiable function. This leads to results of dense algebrability (and, therefore, lineability) of functions enjoying this property. In the process of proving these results we also provide a new construction of nowhere Gevrey di fferentiable functions. [less ▲]

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See detailThe Childhood Executive Function Inventory (CHEXI): Confirmatory Factor Analyses and Cross-Cultural Clinical Validity in a Sample of 8- to 11-Year-Old Children
Catale, Corinne ULg; Meulemans, Thierry ULg; Thorell, Lisa B.

in Journal of Attention Disorders (in press)

The Childhood Executive Functioning Inventory (CHEXI) is a new rating instrument for executive functioning developed by Thorell and Nyberg (2008). Through exploratory factor analyses, this inventory has ... [more ▼]

The Childhood Executive Functioning Inventory (CHEXI) is a new rating instrument for executive functioning developed by Thorell and Nyberg (2008). Through exploratory factor analyses, this inventory has been shown to tap into working memory and inhibition-related behaviors in young children. In this study, we present the psychometric characteristics of the French adaptation of the CHEXI in 8- to 11-year-old children. In addition, we explore the cross-cultural validity of the CHEXI in discriminating between children with ADHD and normally developing children in two culturally different samples (Belgian and Swedish). Confirmatory factor analyses replicated the two-factor solution, referred to as inhibition and working memory, that was identified in the original study with Swedish children. Supplementary analyses indicated that both subscales have good psychometric properties. From a clinical point of view, the CHEXI was found to discriminate, with high sensitivity and specificity, between children with ADHD and normally developing controls in both cultural samples. Cross-cultural clinical implications are discussed. [less ▲]

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See detailLong term Immune Reconstitution and infection burden after Mismatched Hematopoietic Stem Cell Transplantation
SERVAIS, Sophie ULg; Lengline, Etienne; Porcher, Raphael et al

in Biology of Blood & Marrow Transplantation (in press)

Mismatched unrelated donor (MMUD) or umbilical cord blood (UCB) can be chosen as alternative donors for allogeneic stem cell transplantation but might be associated with long lasting immune deficiency ... [more ▼]

Mismatched unrelated donor (MMUD) or umbilical cord blood (UCB) can be chosen as alternative donors for allogeneic stem cell transplantation but might be associated with long lasting immune deficiency. Sixty-six patients who underwent a first transplantation from either UCB or 9/10 MMUD (n= 36) and who survived beyond 3 months were evaluated. Immune reconstitution was prospectively assessed at sequential time points after transplantation. NK, B, CD4+ and CD8+T cells and their subsets as well as regulatory T cells (Treg) were studied. Detailed analyses on infections occurring after 3 months were also assessed. The 18-month cumulative incidences of infection-related death were 8 and 3%, and of infections were 72 and 57% after MMUD and UCB transplantation, respectively. Rates of infection per 12 patient-month were roughly 2 overall (1 for bacterial, 0.9 for viral and 0.3 for fungal infections). Memory, naïve CD4+ and CD8+T cells, naïve B cells and Treg cells reconstitution between the 2 sources was roughly similar. Absolute CD4+T cells hardly reached 500 per μL by one year posttransplantation and most B cells were of naïve phenotype. Correlations between immune reconstitution and infection were then performed by multivariate analyses. Low CD4+ and high CD8+T cells absolute counts at 3 months were linked to increased risks of overall and viral (but not bacterial) infections. When assessing for the naïve/memory phenotypes at 3 months among the CD4+ T cell compartment, higher percentages of memory subsets were protective against late infections: central memory CD4+T cells protected against overall and bacterial infections; late effector memory CD4+T cells protected against overall, bacterial and viral infections. At the opposite, high percentage of effector- and late effector-memory subsets at 3 months among the CD8+ T cell compartment predicted higher risks for viral infections. Patients transplanted from alternative donors represent a population with very high risk of infection. Detailed phenotypic analysis of immune reconstitution may help to evaluate infection risk and to adjust infection prophylaxis. [less ▲]

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See detailIntroduction
Dumont, Jonathan ULg; Masson, Christophe ULg

in Moyen Age (Le) (in press), 120(3-4),

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See detailA Super-Jupiter orbiting a late-type star: A refined analysis of microlensing event OGLE-2012-BLG-0406
Tsapras, Y.; Choi, J.-Y.; Street, R. A. et al

in Astrophysical Journal (in press)

We present a detailed analysis of survey and follow-up observations of microlensing event OGLE-2012-BLG-0406 based on data obtained from 10 different observatories. Intensive coverage of the lightcurve ... [more ▼]

We present a detailed analysis of survey and follow-up observations of microlensing event OGLE-2012-BLG-0406 based on data obtained from 10 different observatories. Intensive coverage of the lightcurve, especially the perturbation part, allowed us to accurately measure the parallax effect and lens orbital motion. Combining our measurement of the lens parallax with the angular Einstein radius determined from finite-source effects, we estimate the physical parameters of the lens system. We find that the event was caused by a $2.73\pm 0.43\ M_{\rm J}$ planet orbiting a $0.44\pm 0.07\ M_{\odot}$ early M-type star. The distance to the lens is $4.97\pm 0.29$\ kpc and the projected separation between the host star and its planet at the time of the event is $3.45\pm 0.26$ AU. We find that the additional coverage provided by follow-up observations, especially during the planetary perturbation, leads to a more accurate determination of the physical parameters of the lens. [less ▲]

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See detailCorporéité et émotions dans les phénoménologies asubjectives de Sartre et de Patocka
Zincq, Aurélien ULg

in Etudes Sartriennes (in press)

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See detailElectromechanical FEM models and electrostatic forces near sharp corners
Hannot, Stephan; Rixen, Daniel; Andreykiv, Andriy et al

in International Journal for Numerical Methods in Engineering (in press)

Accounting for multiphysical coupling in models of Micro Electro Mechanical Systems (MEMS) is essential for accurate simulations. One essential multiphysical effect in MEMS is the electromechanical ... [more ▼]

Accounting for multiphysical coupling in models of Micro Electro Mechanical Systems (MEMS) is essential for accurate simulations. One essential multiphysical effect in MEMS is the electromechanical coupling since electrostatic forces are often used for actuation or sensing in those devices. Often MEMS are designed such that their shape exhibits many corners. In this paper two different numerical approaches are used to model this coupling using the Finite Element Method: the electrostatic forces are either derived from the variational approach or a local approach based on the Maxwell stress tensor such as implemented in commercial Finite Element codes. The evaluation of electrostatic forces near corners is investigated in detail and in this paper the two approaches are compared around corners. Although the issue of numerical models around singularities is not new, the question addressed here is related to the computation of electric forces in the vicinity of corners. Since those forces are quadratic functions of the electric field, namely the gradient of the electric potential, here the primal unknown, computing those forces accurately is a challenge in itself. Elements which use special shape functions are used to discretize the field near this corner singularity as well. In the work presented here, it is shown that a significant discrepancy appears in the electrostatic force computed around a corner depending on the discretization approach considered, and we conclude that the variational approach or equivalently the full Maxwell tensor should be used to properly evaluate electrostatic forces around corners. [less ▲]

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See detailA New Three Object Triangulation Algorithm for Mobile Robot Positioning
Pierlot, Vincent ULg; Van Droogenbroeck, Marc ULg

in IEEE Transactions on Robotics (in press)

Positioning is a fundamental issue in mobile robot applications. It can be achieved in many ways. Among them, triangulation based on angles measured with the help of beacons is a proven technique. Most of ... [more ▼]

Positioning is a fundamental issue in mobile robot applications. It can be achieved in many ways. Among them, triangulation based on angles measured with the help of beacons is a proven technique. Most of the many triangulation algorithms proposed so far have major limitations. For example, some of them need a particular beacon ordering, have blind spots, or only work within the triangle defined by the three beacons. More reliable methods exist; however, they have an increasing complexity or they require to handle certain spatial arrangements separately. In this paper, we present a simple and new three object triangulation algorithm, named ToTal, that natively works in the whole plane, and for any beacon ordering. We also provide a comprehensive comparison between many algorithms, and show that our algorithm is faster and simpler than comparable algorithms. In addition to its inherent efficiency, our algorithm provides a very useful and unique reliability measure, assessable anywhere in the plane, which can be used to identify pathological cases, or as a validation gate in Kalman filters. [less ▲]

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See detailLes voyages du goût, entre localité et exotisme.
Mescoli, Elsa ULg

in Anthropology of Food: Fumey, G. ; Jackson, P. et Raffard, P. Culture Alimentaires et Territoires (in press)

« Savourer la nourriture et respirer la culture marocaine deviennent une expérience et une émotion unique, à découvrir et à vivre grâce à la combinaison d’arômes, goûts, couleurs, formes et musiques ». Au ... [more ▼]

« Savourer la nourriture et respirer la culture marocaine deviennent une expérience et une émotion unique, à découvrir et à vivre grâce à la combinaison d’arômes, goûts, couleurs, formes et musiques ». Au travers de ce slogan, un renommé restaurant d’inspiration marocaine de la ville de Milan en Italie, invitait ses clients à voyager au travers de leur sensorialité dans une culture alimentaire (et par synecdoque, une culture tout court) autre. Le goût les aurait amenés à expérimenter un exotisme, qui était néanmoins contrôlé, car certaines conditions imposées par les normes locales faisaient en sorte que le déplacement vécu ne fût pas excessivement déstabilisant. Le résultat de ces négociations consistait d’un menu qui accostait les gastronomies marocaine et italienne (ou les procédures de l’une et de l’autre) dans certains plats décrits comme « fusion », qui satisfaisaient (ou non) les exigences des clients. Dans cet article, je vise à mettre en évidence les mécanismes de production discursive et matérielle de ces plats, ainsi comme les opinions des consommateurs. Pour ce faire, j’analyserai le matériel ethnographique collecté auprès du local en question en le comparant avec les pratiques observés dans d’autres restaurants milanais. En ce qui concerne les effets obtenus, j’appuierait mon analyse sur une plateforme de médias sociaux consacrée aux recensions d’endroits et locaux touristiques. La culture alimentaire sera étudiée dans ses aspects symboliques mais aussi matériels, en faisant également recours au matériel visuel récolté. [less ▲]

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See detailPoly(methyl methacrylate)/graphene oxide nanocomposites by a precipitation polymerization process and their dielectric and rheological characterization
Thomassin, Jean-Michel ULg; Trifkovic, Milana; Alkarmo, Walid et al

in Macromolecules (in press)

We report a method for achieving controlled dispersion of graphene oxide (GO) in poly(methyl methacrylate) (PMMA) via the precipitation polymerization process in a water/ methanol mixture. GO acts as a ... [more ▼]

We report a method for achieving controlled dispersion of graphene oxide (GO) in poly(methyl methacrylate) (PMMA) via the precipitation polymerization process in a water/ methanol mixture. GO acts as a surfactant and adsorbs on the interface between polymerized PMMA particles and solvent mixture. Scanning electron and transmission electron microscopy confirmed that the precipitate consists of polymer particles (<1 μm) surrounded by the GO sheets. Compression molding of the precipitate yields a polymer nanocomposite with the GO organized into a regularly spaced 3D network which percolates at 0.2 wt % GO. Simple thermal reduction of the GO sheets dispersed in PMMA at relatively low temperature (210 °C) achieved electrical conductivity higher than 10−2 S/m at 0.4 wt % of GO. Parallel dielectric and rheological characterization demonstrated that the thermal reduction is a quite fast process without significant degradation of the polymer. The study should open up new opportunities in the design of GO-based polymer nanocomposites. [less ▲]

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See detailA study of one-dimensional transport of Bose-Einstein condensates using exterior complex scaling
Dujardin, Julien ULg; Saenz, Alejandro; Schlagheck, Peter ULg

in Applied Physics B : Lasers & Optics (in press)

We numerically investigate the one-dimensional transport of Bose-Einstein condensates in the context of guided atom lasers using a mean-field description of the condensate in terms of a spatially ... [more ▼]

We numerically investigate the one-dimensional transport of Bose-Einstein condensates in the context of guided atom lasers using a mean-field description of the condensate in terms of a spatially discretized Gross-Pitaevskii equation. We specifically consider a waveguide configuration in which spatial inhomogeneities and nonvanishing atom-atom interactions are restricted to a spatially localized scattering region of finite extent. We show how the method of smooth exterior complex scaling can be implemented for this particular onfiguration in order to efficiently absorb the outgoing flux within the waveguide. A numerical comparison with the introduction of a complex absorbing potential as well as with the analytically exact elimination of the dynamics of the free non-interacting motion outside the scattering region, giving rise to transparent boundary conditions, clearly confirms the accuracy and efficiency of the smooth exterior complex scaling method. [less ▲]

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See detailTrajectory-Based Supplementary Damping Control for Power System Electromechanical Oscillations
Wang, Da ULg; Glavic, Mevludin ULg; Wehenkel, Louis ULg

in IEEE Transactions on Power Systems (in press)

This paper considers a trajectory-based approach to determine control signals superimposed to those of existing controllers so as to enhance the damping of electromechanical oscillations. This approach is ... [more ▼]

This paper considers a trajectory-based approach to determine control signals superimposed to those of existing controllers so as to enhance the damping of electromechanical oscillations. This approach is framed as a discrete-time, multi-step optimization problem which can be solved by model-based and/or by learning-based methods. This paper proposes to apply a model-free tree-based batch mode Reinforcement Learning (RL) algorithm to perform such a supplementary damping control based only on information collected from observed trajectories of the power system. This RL-based supplementary damping control scheme is first implemented on a single generator and then several possibilities are investigated for extending it to multiple generators. Simulations are carried out on a 16-generators medium size power system model, where also possible benefits of combining this RL-based control with Model Predictive Control (MPC) are assessed. [less ▲]

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See detailThe RIAD peptidomimetic inhibits HIV-1 replication in humanized NSG mice
Singh, Maneesh; Singh, Pratibha; Vaira, Dolores et al

in European Journal of Clinical Investigation (in press)

Background Increased intracellular concentration of cyclic AMP (cAMP) in T cells is associated with various immunodeficiency conditions including human immunodeficiency virus (HIV) infection. Several ... [more ▼]

Background Increased intracellular concentration of cyclic AMP (cAMP) in T cells is associated with various immunodeficiency conditions including human immunodeficiency virus (HIV) infection. Several reports indicate a critical role of activated protein kinase A (PKA) in the susceptibility of cells to HIV infection. We have used a cell permeable, stable peptidomimetic version (P3) of the RI-anchoring disruptor (RIAD), which prevents PKA interaction with A-kinase-anchoring proteins (AKAPs). It is known that RIAD peptide abrogates effects of localized cAMP signalling through anchored type I PKA in lymphocytes and prevents murine AIDS (MAIDS) infection when expressed as a transgene in mice. Methods and Results In vitro HIV-infected human peripheral blood mononuclear cells (PBMCs) show reduced levels of p24 and intracellular cAMP in T cells when treated with RIAD peptidomimetic (RIAD-P3). Humanized NOD/SCID/IL2cnull (NSG) mice infected with HIV-1 JRCSF and treated with RIAD-P3 (3􏰀5 mg) once every 2 weeks showed significantly reduced levels of viral load at +28, +42 and +56 days and increased CD4 numbers at +56 days after the start of treatment. RIAD-P3-treated humanized mice had lower levels of intracellular cAMP in T cells sorted from splenocytes. Conclusions Treatment with RIAD-P3 limits HIV-1 viral replication and stabilizes CD4 levels by mechanisms involving cAMP/PKA-I pathway in human PBMCs and humanized NSG mice. [less ▲]

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See detailCosmological constraints on mirror matter parameters
Ciarcelluti, Paolo; Wallemacq, Quentin ULg

in Advances in High Energy Physics (in press), 2014

Up-to-date estimates of the cosmological parameters are presented as a result of numerical simulations of cosmic microwave background and large scale structure, considering a flat Universe in which the ... [more ▼]

Up-to-date estimates of the cosmological parameters are presented as a result of numerical simulations of cosmic microwave background and large scale structure, considering a flat Universe in which the dark matter is made entirely or partly of mirror matter, and the primordial perturbations are scalar adiabatic and in linear regime. A statistical analysis using the Markov Chain Monte Carlo method allows to obtain constraints of the cosmological parameters. As a result, we show that a Universe with pure mirror dark matter is statistically equivalent to the case of an admixture with cold dark matter. The upper limits for the ratio of the temperatures of ordinary and mirror sectors are around 0.3 for both the cosmological models, that show the presence of a dominant fraction of mirror matter, 0.06 < Ω_{mirror} h^2 < 0.12. [less ▲]

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See detailL’« originalité » perceptive d’un sujet pervers au test de Rorschach
Englebert, Jérôme ULg

in Evolution Psychiatrique (in press)

The author starts with a discussion about two notions appearing into the Rorschach test: the perception and the apperception. By this way, it is suggest ways for a phenomenological study of the Rorschach ... [more ▼]

The author starts with a discussion about two notions appearing into the Rorschach test: the perception and the apperception. By this way, it is suggest ways for a phenomenological study of the Rorschach test. These proposals are consistent with those of the Comprehensive System (Proposed by John E. Exner). Then the author proposes a protocol analyzing of a patient with a perverse psychological functioning. In one hand, the result obtained by the Form Quality (FQ) is detailed in particular regarding to the status of unusual perceptions. According to the Comprehensive System proposed by J.E. Exner, a significant proportion of responses "u" (46% for this protocol) indicates that the person is not influenced by any social request or any expectation and some of his behaviors could ignore or avoid any question about social convention. From an other point of view, when analyzing these data, an adaptive dimension for these unusual perceptions is identified. The pervert perceives the stimuli that "really exists" according to him not everyone can perceive it. This advantage allows a better adaptation to the environment and the ability to change this environment. The manipulation (a particular skill that is most of the time attributed to the perverse person) is probably a consequence of having an original perception of reality. It is also discussed the interpretation of the "anatomical content" in connection with this adaptive hypothesis. In addition, the author also discusses a particular answer of the protocol: the answer "shoes" that presents a specific perceptual characteristic. [less ▲]

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See detailElaboration of drug nanocarriers based on a glucosamine labeled amphiphilic polymer
Boyère, Cédric; Duhem, N; Debuigne, Antoine ULg et al

in Polymer Chemistry (in press)

A new functional polymer micelle with high loading efficiency of a poorly soluble drug was made of biocompatible and/or biosourced compounds, i.e. cholesterol-poly(ethylene glycol)-glucosamine (Chol-PEG ... [more ▼]

A new functional polymer micelle with high loading efficiency of a poorly soluble drug was made of biocompatible and/or biosourced compounds, i.e. cholesterol-poly(ethylene glycol)-glucosamine (Chol-PEG-GlcNH2). A synthesis strategy combining enzymatic and metal-free click chemistry was developed in order to meet the increasingly stringent requirements of biomedical applications. After the self-assembly of the Chol-PEG-GlcNH2 amphiphilic polymer in water, the presence of glucosamine at the micelle surface confers an active targeting moiety to the nanocarriers whereas protonation of the peripheral primary amine delay their aggregation. The complete characterization of this novel functional amphiphilic bioconjugate is presented as well as its aqueous solution behaviour and encapsulation efficiency using ketoconazole as a model hydrophobic drug. [less ▲]

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See detailA generic approach for solving nonlinear-discrete security-constrained power flow problems in large-scale systems
Platbrood, Ludovic; Capitanescu, Florin; Crisciu, Horia et al

in IEEE Transactions on Power Systems (in press)

This paper proves the practicality of an iterative algorithm for solving realistic large-scale SCOPF problems. This algorithm is based on the combination of a contingency filtering scheme, used to ... [more ▼]

This paper proves the practicality of an iterative algorithm for solving realistic large-scale SCOPF problems. This algorithm is based on the combination of a contingency filtering scheme, used to identify the binding contingencies at the optimum, and a network compression method, used to reduce the complexity of the post-contingency models included in the SCOPF formulation. We show that by combining these two complementary ideas, it is possible to solve in a reasonable time SCOPF problems on large power system models with a large number of contingencies. Unlike most results reported for large-scale SCOPF problems, our algorithm uses a non-linear AC network model in both pre-contingency and post-contingency states, optimizes both active/reactive powers flows jointly, and treats the discrete variables. The proposed algorithm is implemented with state-of-the-art solvers and applied to two systems: a national grid with 2563 buses and 1297 contingencies, and a model of the European transmission network with 9241 buses and 12000 contingencies. [less ▲]

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See detailVirtual reality as a complementary therapy to sexual addiction treatment
Cismaru Inescu, Adina; Andrianne, Robert ULg; Triffaux, Jean-Marc ULg

in International Journal of Advanced Computer Science (in press), 3(7), 1-5

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See detailPLACE DE LA GERIATRIE DANS LA FILIERE DES SOINS
PETERMANS, Jean ULg

in Revue Médicale de Liège (in press)

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See detailRôle et langue de Tchantchès dans les représentations en castelets des romans de chevalerie : le cas des Quatre fils Aymon
Baiwir, Esther ULg; Impe, Anaëlle

in Enquêtes du Musée de la Vie Wallonne (in press)

Pourquoi et dans quelle mesure les montreurs de marionnettes liégeoises font-ils intervenir Tchantchès aux côtés des grands chevaliers médiévaux, dont les aventures constituent une part importante du ... [more ▼]

Pourquoi et dans quelle mesure les montreurs de marionnettes liégeoises font-ils intervenir Tchantchès aux côtés des grands chevaliers médiévaux, dont les aventures constituent une part importante du répertoire liégeois ? Quels sont ses moyens d'action, mais également ses modes d'expression ? Divers registres de langue apparaissent au fil des spectacles ; quels sont ceux prêtés à notre héros ? Et surtout, ce rôle et cette langue ont-ils évolué au fil du temps ? C’est à ces quelques questions que nous tentons de répondre, en observant les différentes interventions de Tchantchès dans les réécritures des aventures des quatre fils Aymon, l’une des œuvres les plus anciennes et les plus fréquemment jouées dans les théâtres liégeois dévolus aux comédiens de bois. [less ▲]

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See detailDark atoms and the positron-annihilation-line excess in the galactic bulge
Cudell, Jean-René ULg; Khlopov, Maxim; Wallemacq, Quentin ULg

in Advances in High Energy Physics (in press), 2014

It was recently proposed that stable particles of charge -2, O^{--}, can exist and constitute dark matter after they bind with primordial helium in O-helium (OHe) atoms. We study here in details the ... [more ▼]

It was recently proposed that stable particles of charge -2, O^{--}, can exist and constitute dark matter after they bind with primordial helium in O-helium (OHe) atoms. We study here in details the possibility that this model provides an explanation for the excess of gamma radiation in the positron-annihilation line from the galactic bulge observed by INTEGRAL. This explanation assumes that OHe, excited to a 2s state through collisions in the central part of the Galaxy, de-excites to its ground state via an E0 transition, emitting an electron-positron pair. The cross section for OHe collisions with excitation to 2s level is calculated and it is shown that the rate of such excitations in the galactic bulge strongly depends not only on the mass of O-helium, which is determined by the mass of O^{--}, but also on the density and velocity distribution of dark matter. Given the astrophysical uncertainties on these distributions, this mechanism constrains the O^{--} mass to lie in two possible regions. One of these is reachable in the experimental searches for stable multicharged particles at the LHC. [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 detailAn online interactive tool to assess energy consumption in residential buildings and for daily mobility
Marique, Anne-Françoise ULg; de Meester, Tatiana; De Herde, André et al

in Energy and Buildings (in press)

Improving energy efficiency in the building and transportation sectors is a viable approach to mitigate the effects of climate change and has become an important policy target. As a result, in addition to ... [more ▼]

Improving energy efficiency in the building and transportation sectors is a viable approach to mitigate the effects of climate change and has become an important policy target. As a result, in addition to scientific research and public policies addressing energy efficiency, raising public awareness of the impact of the behaviour of citizens to energy efficiency is crucial and could quickly lead to significant reductions in the total energy consumption of a territory. In this context, this paper presents a new online interactive tool that enables not only citizens but also local authorities and private developers to (1) assess the sources of energy consumption related to housing and to daily mobility at both the individual and neighbourhood scales, (2) compare these sources and (3) determine relevant and personalised suggestions to reduce energy consumption. Numerous methods and tools, including a typological classification of buildings, thermal dynamic simulations, life-cycle assessments and statistical treatments of national censuses, were used to produce the two large databases used in this interactive tool. This report represents the primary results of a three-year long scientific research project dedicated to the study of energy efficiency in buildings and for daily mobility that is accessible to a large non-specialised audience. [less ▲]

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See detailMetacognitive components in learning to learn approaches
Frenkel, Stéphanie ULg

in International Journal of Psychology : A Biopsychosocial Approach (in press)

Background. Numerous students are having school difficulties linked to the way they learn. Some people speak of a “metacognitive deficit”. We refer to a “sleeping potential” instead. Be it psychologists ... [more ▼]

Background. Numerous students are having school difficulties linked to the way they learn. Some people speak of a “metacognitive deficit”. We refer to a “sleeping potential” instead. Be it psychologists, teachers or parents, all wish to develop their skills in order to help these students. This is the case in primary and secondary school. The EDUCA + project is intended to provide possible solutions. Purpose. The aim of this paper is to present a metacognitive and cognitive theory of learning to learn, which will (a) explain why numerous students are having school difficulties, and (b) predict the success of the EDUCA + project. [less ▲]

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See detailL’evidence-based practice à portée des orthophonistes : intérêt des recommandations pour la pratique clinique
Maillart, Christelle ULg; Durieux, Nancy ULg

in Rééducation Orthophonique (in press)

La démarche evidence-based practice (EBP) littéralement « pratique basée sur des preuves », a pour objectif d’aider le clinicien à optimiser ses choix thérapeutiques en s’appuyant sur des données ... [more ▼]

La démarche evidence-based practice (EBP) littéralement « pratique basée sur des preuves », a pour objectif d’aider le clinicien à optimiser ses choix thérapeutiques en s’appuyant sur des données objectives issues de la recherche tout en tenant compte de la situation clinique. Néanmoins, la méthodologie complète de récolte et d’analyse des données est complexe et chronophage, ce qui est un frein réel pour son application en clinique. Pour remédier à cela, des synthèses scientifiquement motivées, appelées des recommandations de pratique clinique (RPC) ou guidelines, se développent et jouent alors un rôle essentiel pour l’actualisation des connaissances des professionnels. Cet article s’intéresse particulièrement aux recommandations pour la pratique clinique et au rôle qu’elles peuvent jouer dans la sensibilisation des cliniciens au recours à une démarche EBP. [less ▲]

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See detailLa sécurité affective chez l'enfant en milieu résidentiel : Des soins du corps au bien être émotionnel
Aprile, Pauline ULg; Englebert, Jérôme ULg; Gauthier, Jean-Marie ULg

in Evolution Psychiatrique (in press)

Objectives - This review studies the concept of affective security in children living outside of their family environment by a brief exposition of its practical illustration in institution. We want to ... [more ▼]

Objectives - This review studies the concept of affective security in children living outside of their family environment by a brief exposition of its practical illustration in institution. We want to show that sufficient affective security can be achieved even in children institutionalized with major attachment difficulties. Method - We will first examine the original meaning of the concept by a theoretical review of its evolution over the years in the literature. Then, we will consider various questions concerning the legitimacy of institutionalization in link with affective security through a case analysis illustrating the issue. We will finally end by mentioning the main practical implications about the optimization of affective security in children institutionalized. Results - It is foremost by the predictable and expected daily acts posed by the professional caregivers in institution that the child may find sufficient affective security, generating emotional well-being and ultimately, an overall adequate development. Discussion – Children early separated from their family home to be placed in residential institution most often suffer from serious difficulties in terms of attachment to others. In this context, the institution has to deal with a specifically challenge: that is, to help the child to (re-)find sufficient internal security to allow him to grow on solid foundations. The institutional life which replaces family life primarily consists of an organizational structure that seeks to make child life as predictable as possible so that it has the necessary daily benchmarks to evolve adequately. Conclusion – In the everyday life in institution, the professionals struggling with children’s attachment disorders constantly try to achieve a right emotional-body balance through their psycho-educational practices with the child deprived of secure attachment strategies. [less ▲]

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See detailCommerce ambulant : les libertés de circulation et la directive services font un tour sur le marché communal
Durviaux, Ann-Lawrence ULg; Delvaux, Thierry ULg

in Administration publique trimestrielle (in press), (2012),

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See detailOceanic forcing of Antarctic climate change: A study using a stretched-grid atmospheric general circulation model
Krinner, Gerhard; Largeron, Chloé; Ménégoz, Martin et al

in Journal of Climate (in press)

A variable-resolution atmospheric general circulation model (AGCM) is used for climate change projections over the Antarctic. The present-day simulation uses prescribed observed sea-surface conditions ... [more ▼]

A variable-resolution atmospheric general circulation model (AGCM) is used for climate change projections over the Antarctic. The present-day simulation uses prescribed observed sea-surface conditions, while a set of five simulations for the end of the 21st century (2070-2099) under the SRES-A1B scenario uses sea- surface condition anomalies from selected CMIP3 coupled ocean-atmosphere climate models. Analysis of the results shows that the prescribed sea-surface condition anomalies have a very strong influence on the simulated climate change on the Antarctic continent, largely dominating the direct effect of the prescribed greenhouse gas concentration changes in the AGCM simulations. Complementary simulations with idealized forcings confirm these results. An analysis of circulation changes using self-organizing maps shows that the simulated climate change on regional scales is not principally caused by shifts of the frequencies of the dominant circulation patterns, except for precipitation changes in some coastal regions. The study illustrates that in some respects the use of bias-corrected sea- surface boundary conditions in climate projections with a variable-resolution atmospheric general circulation model has some distinct advantages over the use of limited-area atmospheric circulation models directly forced by generally biased coupled climate model output. [less ▲]

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See detailL’éjaculation précoce : une revue de questions
Kempeneers, Philippe ULg; ANDRIANNE, Robert ULg; Lequeux, Armand et al

in Revue Francophone de Clinique Comportementale et Cognitive (in press)

Premature ejaculation (PE) is a disorder characterized by three components: (1) a rapid ejaculation, (2), a feeling of lack of control upon ejaculation, (3) and a distress related to this condition. The ... [more ▼]

Premature ejaculation (PE) is a disorder characterized by three components: (1) a rapid ejaculation, (2), a feeling of lack of control upon ejaculation, (3) and a distress related to this condition. The criterion of rapidity appears to be most controversial: some authors refer only to subjects’ judgment, while other ones set a maximum ejaculatory latency. Although it focused some criticisms related to a lack of objective latency criteria, the definition of PE propounded by the DSM-IV(-TR) remains most currently used. PE affects about 15 to 30% of the male population. However, the estimations can vary widely depending on populations and methodologies. Several factors contribute to the occurrence of the disorder: one may very probably charge bio-constitutional risks, learning factors, cultural and cognitive influences and the role of anxiety. No robust data allow to implicate personality factors other than anxiety. The influence of the age remains a controversial topic. Cognitive-behavioral techniques appear to be quite efficient in the treatment of PE. However the success rates are variable, and the precise nature of the therapeutic active process remains unclear. Serotonergic drugs and local anesthetics are also efficient, but their action remains strictly symptomatic. The usefulness of phosphodiesterase-5 inhibitors is disputed. Combining psychological and pharmacological approaches might be promising. Unfortunately, there is a lack of clinical trials in this field. Although effective treatments do exist, only a few affected people appear to use them satisfactorily. Efforts have still to be made in order to train adequately heath practitioners and to make the treatments more accessible to the public. [less ▲]

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See detailBeAMS: a Beacon based Angle Measurement Sensor for mobile robot positioning
Pierlot, Vincent ULg; Van Droogenbroeck, Marc ULg

in IEEE Transactions on Robotics (in press)

Positioning is a fundamental issue in mobile robot applications, and it can be achieved in multiple ways. Among these methods, triangulation based on angle measurements is widely used, robust, accurate ... [more ▼]

Positioning is a fundamental issue in mobile robot applications, and it can be achieved in multiple ways. Among these methods, triangulation based on angle measurements is widely used, robust, accurate, and flexible. This paper presents BeAMS, a new active beacon-based angle measurement system used for mobile robot positioning. BeAMS introduces several major innovations. One innovation is the use of a unique unsynchronized channel with On-Off Keying modulated infrared signals to measure angles and to identify the beacons. We also introduce a new mechanism to measure angles: our system detects a beacon when it enters and leaves an angular window. We show that the estimator resulting from the center of this angular window provides an unbiased estimate of the beacon angle. A theoretical framework for a thorough performance analysis of BeAMS is provided. We establish the upper bound of the variance and validate this bound through experiments and simulations; the overall error measure of BeAMS is lower than 0.24 deg for an acquisition rate of 10 Hz. In conclusion, BeAMS is a low power, flexible, and robust solution for angle measurement, and a reliable component for robot positioning. [less ▲]

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See detailIllusio
Durand, Pascal ULg

in COnTEXTES : Revue de Sociologie de la Littérature (in press)

Définition et discussion du concept d'« Illusio » dans la sociologie de Pierre Bourdieu.

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See detailIntraoperative MRI versus standard neuron- avigation for the neurosurgical treatment of glioblastoma: a randomized controlled trial.
Kubben, PL; Scholtes, Félix ULg; Schijns, OEMG et al

in Surgical Neurology (in press)

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See detailVALORISATION DES RESIDUS DE BOIS ISSUS DE L’EXPLOITATION ARTISANALE DES FORETS COMMUNAUTAIRES AU CAMEROUN : CAS DE LA FORET COMMUNAUTAIRE DE MAMBIOKO (GIC CRVC)
Malnoury, Gauthier; Zoyiem Ngouanet, Edmond; Julve Larrubia, Cecilia et al

in Tropicultura (in press)

L’exploitation artisanale du bois des forêts communautaires au Cameroun génère une quantité importante de résidus abandonnés au niveau des sites d’exploitation. Ces pièces de bois pourraient être ... [more ▼]

L’exploitation artisanale du bois des forêts communautaires au Cameroun génère une quantité importante de résidus abandonnés au niveau des sites d’exploitation. Ces pièces de bois pourraient être valorisées en produits commercialisables de manière à améliorer les revenus de la communauté. Cette étude a permis une première estimation de ce volume et présente différentes pistes de valorisation adaptées à la communauté de Mambioko. Cette étude de cas s’adresse à tous les acteurs de la foresterie communautaire au Cameroun et vise une valorisation rationnelle de la matière ligneuse dans un but de développement rural. [less ▲]

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See detailNutritive value of Adenodolichos rhomboideus leaves compared with Leucaena leucocephala and Stylosanthes guianensis forages in indigenous goats in Lubumbashi (DR Congo).
Tshibangu, Muamba Innocent; Nsahlai, Ignatus Verla; Kiatoko, Mangeye Honoré et al

in Biotechnologie, Agronomie, Société et Environnement = Biotechnology, Agronomy, Society and Environment [=BASE] (in press)

Forage from three species (Adenodolichos rhomboideus, Leucaena leucocephala, Stylosanthes guianensis) were evaluated by determining chemical composition, voluntary intake and apparent in vivo ... [more ▼]

Forage from three species (Adenodolichos rhomboideus, Leucaena leucocephala, Stylosanthes guianensis) were evaluated by determining chemical composition, voluntary intake and apparent in vivo digestibility of dry matter (DM), organic matter (OM), crude protein (CP), neutral detergent fibre (NDF) and acid detergent fibre (ADF). Six goats (17.1±0.7 kg) were used in 3 x 3 double latin square design to determine the digestibility and intake of the three forages. Forage from S. guianensis had lower (p<0.001) CP content than L. leucocephala forage and A. rhomboideus leaves. Fibres content (ADF and NDF) were lower (p<0.001) in L. leucocephala (35%) forage than A. rhomboideus (59.5%) leaves and S. guianensis forages (56.5%). L. leucocephala forage was superior in CP, Ash, EE concentrations, digestibility and voluntary intake of CP. A. rhomboideus leaves had lower (p<0.05) apparent digestibility and intake of DM. Digestible CP intake were similar between A. rhomboideus leaves and S. guianensis forages. Low digestibility and voluntary intake of A. rhomboideus leaves may be due to negative effect of anti-nutritional factor such as tannin. Digestible CP was similar for A. rhomboideus leaves and S. guianensis forage. [less ▲]

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See detailBiological nitrate utilization in south Siberian lakes (Baikal and Hovsgol) during the last glacial period: the influence of climate changes on primary productivity
Watanabe Nara, F.; Watanabe, T.; Kakegawa, T. et al

in Quaternary Science Reviews (in press)

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See detailHexis
Durand, Pascal ULg

in COnTEXTES : Revue de Sociologie de la Littérature (in press)

Définition et discussion du concept d'« Hexis » dans la sociologie de Pierre Bourdieu.

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See detailGlobal Power after the post-Cold War: the case of Chinese Power
Wintgens, Sophie ULg

in Revista Brasileira de Politica Internacional (in press)

The pre-eminence of the realistic conception has long locked the field of study of the power in International Relations, which is nowadays highly questioned. The analysis of some “new powers” emergence is ... [more ▼]

The pre-eminence of the realistic conception has long locked the field of study of the power in International Relations, which is nowadays highly questioned. The analysis of some “new powers” emergence is as such a tremendous learning experience. In order to go beyond the classical antagonism between the institutional perspectives (cooperation) and the realistic ones (rivalry), this paper deals with the power in an alternative way, from a heterodox approach of hegemony, which allows us to make out the phenomena of insidious and not felt so domination. Following the example of China, committed to building a status of world power, sustained by a self-legitimizing discourse abounding with Third-World overtones (anti-hegemonism, multipolarization of the world, South-South cooperation, etc.), the increase in its global influence does not only depend on the availability of its – tangible and intangible – resources, nor on its ability to mobilize them adequately (smart power). China also values the image that it has of itself (self-perception), the image that it tends to convey on the international stage (representation), as well as the perception of its status by the other actors of the international system (external recognition). The power of China is measured through its capacity to “assert itself as a reference” for its emerging peers, or even for Western powers. [less ▲]

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