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See detailTechniques de transformation, transformation des techniques
Dondero, Maria Giulia ULg; Moutat, Audrey

Book published by Presses universitaires de Limoges (PULIM) (2010)

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See detailMathematical modelling of cell aggregates for bone tissue engineering using continuum methods
Geris, Liesbet ULg; Clarke, T.; Ashbourn, J.

in Middleton, J.; Jacobs, C.; Walker, B. (Eds.) et al 9th International symposium on Computer Methods in Biomechanics and Biomedical Engineering (2010)

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See detailOceanic CO2 sink: the contribution of the marine cryosphere
Delille, Bruno ULg; Vancoppenolle, M.; Tilbrook, B. et al

Conference (2010)

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See detailLes méthodes de travail des historiens en Islam
Bauden, Frédéric ULg

Book published by Istituto per l'Oriente C. A. Nallino (2010)

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See detail"Le droit des biens : une évolution indispensable sans révolution inutile"
Lecocq, Pascale ULg; Vanbrabant, Bernard ULg

in L'avenir de la recherche, Réflexions à l'occasion des leçons inaugurales 2010 (2010)

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See detailL’édition pour la jeunesse en Belgique francophone : de la nécessité faite vertu à la mondialisation
Habrand, Tanguy ULg

in Pinhas, Luc; Foucault, Jean; Manson, Michel (Eds.) L'édition de jeunesse francophone face à la mondialisation (2010)

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See detailOn Vershikian and I-cosy random variables and filtrations
Laurent, Stéphane ULg

in Teoriya Veroyatnostei i ee Primeneniya (2010), 55

We prove that the equivalence between Vershik’s standardness criterion and the I-cosiness criterion for a filtration in discrete, negative time, holds separately for each random variable. This gives a ... [more ▼]

We prove that the equivalence between Vershik’s standardness criterion and the I-cosiness criterion for a filtration in discrete, negative time, holds separately for each random variable. This gives a strengthening and a more direct proof of the global equivalence between these two criteria. We also provide more elementary original propositions on Vershik’s standardness criterion, while emphasizing that similar statements for I-cosiness are sometimes not so obvious. [less ▲]

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See detailA grid for a precise analysis of daily activities
Wojtasik, Vinciane ULg; Olivier, Catherine ULg; Lekeu, Françoise ULg et al

in Neuropsychological Rehabilitation (2010), 20

Assessment of daily living activities is essential in patients with Alzheimer's disease. Most current tools quantitatively assess overall ability but provide little qualitative information on individual ... [more ▼]

Assessment of daily living activities is essential in patients with Alzheimer's disease. Most current tools quantitatively assess overall ability but provide little qualitative information on individual difficulties. Only a few tools allow therapists to evaluate stereotyped activities and record different types of errors. We capitalised on the Kitchen Activity Assessment to design a widely applicable analysis grid that provides both qualitative and quantitative data on activity performance. A cooking activity was videotaped in 15 patients with dementia and assessed according to the different steps in the execution of the task. The evaluations obtained with our grid showed good correlations between raters, between versions of the grid and between sessions. Moreover, the degree of independence obtained with our analysis of the task correlated with the Kitchen Activity Assessment score and with a global score of cognitive functioning. We conclude that assessment of a daily living activity with this analysis grid is reproducible and relatively independent of the therapist, and thus provides quantitative and qualitative information useful for both evaluating and caring for demented patients. [less ▲]

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See detailCharacterisation of B1 metallo-beta-lactamase inhibition by VHHs
Sohier, Jean ULg; Laurent, Clémentine ULg; Chevigné, Andy et al

Poster (2010)

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See detailFrom Non-invasive Site Characterization to Site Amplification: Recent Advances in the Use of Ambient Vibration Measurements.
Bard, P-Y; et al.; Havenith, Hans-Balder ULg

in Geotechnical, Geological and Earthquake Engineering : Earthquake Engineering in Europe (2010)

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See detailReduction du risque metabolique associe a l'obesite en modulant l'exposition tissulaire au cortisol.
Iovino, Alessandra ULg; Paquot, Nicolas ULg; Scheen, André ULg

in Revue Médicale Suisse (2010), 6(260), 1608-12

The 11-beta-hydroxysteroid dehydrogenase type 1 (11HSD1) enzyme promotes the local conversion from cortisone to cortisol, especially in the liver and the adipose tissue. It may play a role in the ... [more ▼]

The 11-beta-hydroxysteroid dehydrogenase type 1 (11HSD1) enzyme promotes the local conversion from cortisone to cortisol, especially in the liver and the adipose tissue. It may play a role in the pathophysiology of abdominal obesity and the metabolic syndrome, both showing some similarities with the Cushing syndrome. Considering experimental results obtained in rodents, the inhibition of this enzyme could exert favourable metabolic effects, with significant reductions in plasma glucose, insulin resistance and dyslipidaemia. Synthetic inhibitors of 11HSD1 are currently in development with encouraging preliminary results, first in animals, and more recently in humans. Selective inhibitors of 11HSD1 may represent an innovative approach in the pharmacological management of obesity, metabolic syndrome and type 2 diabetes in a near future. [less ▲]

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See detailThe uncertainty processing theory of motivation
Anselme, Patrick ULg

in Behavioural Brain Research (2010), 208(2), 291-310

Most theories describe motivation using basic terminology (drive, ‘wanting’, goal, pleasure, etc.) that fails to inform well about the psychological mechanisms controlling its expression. This leads to a ... [more ▼]

Most theories describe motivation using basic terminology (drive, ‘wanting’, goal, pleasure, etc.) that fails to inform well about the psychological mechanisms controlling its expression. This leads to a conception of motivation as a mere psychological state ‘emerging’ from neurophysiological substrates. However, the involvement of motivation in a large number of behavioural parameters (triggering, intensity, duration, and directedness) and cognitive abilities (learning, memory, decision, etc.) suggest that it should be viewed as an information processing system. The Uncertainty Processing Theory (UPT) presented here suggests that motivation is the set of cognitive processes allowing organisms to extract information from the environment by reducing uncertainty about the occurrence of psychologically significant events. This processing of information is shown to naturally result in the highlighting of specific stimuli. The UPT attempts to solve three major problems: (i) how motivations can affect behaviour and cognition so widely, (ii) how motivational specificity for objects and events can result from nonspecific neuropharmacological causal factors (such as mesolimbic dopamine), and (iii) how motivational interactions can be conceived in psychological terms, irrespective of their biological correlates. The UPT is in keeping with the conceptual tradition of the incentive salience hypothesis while trying to overcome the shortcomings inherent to this view. [less ▲]

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See detailMulti-Months Cycles Observed in Climatic Data
Nicolay, Samuel ULg; Mabille, Georges ULg; Fettweis, Xavier ULg et al

in Simard, Suzanne (Ed.) Climate Change and Variability (2010)

Climatic variations happen at all time scales and since the origins of these variations are usually of very complex nature, climatic signals are indeed chaotic data. The identification of the cycles ... [more ▼]

Climatic variations happen at all time scales and since the origins of these variations are usually of very complex nature, climatic signals are indeed chaotic data. The identification of the cycles induced by the natural climatic variability is therefore a knotty problem, yet the knowing of these cycles is crucial to better understand and explain the climate (with interests for weather forecasting and climate change projections). Due to the non-stationary nature of the climatic time series, the simplest Fourier-based methods are inefficient for such applications (see e.g. Titchmarsh (1948)). This maybe explains why so few systematic spectral studies have been performed on the numerous datasets allowing to describe some aspects of the climate variability (e.g. climatic indices, temperature data). However, some recent studies (e.g. Matyasovszky (2009); Paluš & Novotná (2006)) show the existence of multi-year cycles in some specific climatic data. This shows that the emergence of new tools issued from signal analysis allows to extract sharper information from time series. Here, we use a wavelet-based methodology to detect cycles in air-surface temperatures obtained from worldwide weather stations, NCEP/NCAR reanalysis data, climatic indices and some paleoclimatic data. This technique reveals the existence of universal rhythms associated with the periods of 30 and 43 months. However, these cycles do not affect the temperature of the globe uniformly. The regions under the influence of the AO/NAO indices are influenced by a 30 months period cycle, while the areas related to the ENSO index are affected by a 43 months period cycle; as expected, the corresponding indices display the same cycle. We next show that the observed periods are statistically relevant. Finally, we consider some mechanisms that could induce such cycles. This chapter is based on the results obtained in Mabille & Nicolay (2009); Nicolay et al. (2009; 2010). [less ▲]

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See detail"Von gelobten Leuten gelobet werden“ - Johann Matthesons musikalische Ehren-Pforte im Kontext der Musikerbiographik des 18. Jahrhunderts
Viehöver, Vera ULg

in Hirschmann, Wolfgang; Jahn, Bernhard (Eds.) Johann Mattheson als Vermittler und Initiator. Wissenstransfer und die Etablierung neuer Diskurse in der ersten Hälfte des 18. Jahrhunderts. (2010)

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See detailThe commonality of neural networks for verbal and visual short-term memory.
Majerus, Steve ULg; D'Argembeau, Arnaud ULg; Martinez Perez, Trecy ULg et al

in Journal of Cognitive Neuroscience (2010), 22(11), 2570-2593

Although many neuroimaging studies have considered verbal and visual short-term memory (STM) as relying on neurally segregated short-term buffer systems, the present study explored the existence of shared ... [more ▼]

Although many neuroimaging studies have considered verbal and visual short-term memory (STM) as relying on neurally segregated short-term buffer systems, the present study explored the existence of shared neural correlates supporting verbal and visual STM. We hypothesized that networks involved in attentional and executive processes, as well as networks involved in serial order processing, underlie STM for both verbal and visual list information, with neural specificity restricted to sensory areas involved in processing the specific items to be retained. Participants were presented sequences of nonwords or unfamiliar faces, and were instructed to maintain and recognize order or item information. For encoding and retrieval phases, null conjunction analysis revealed an identical fronto-parieto-cerebellar network comprising the left intraparietal sulcus, bilateral dorsolateral prefrontal cortex, and the bilateral cerebellum, irrespective of information type and modality. A network centered around the right intraparietal sulcus supported STM for order information, in both verbal and visual modalities. Modality-specific effects were observed in left superior temporal and mid-fusiform areas associated with phonological and orthographic processing during the verbal STM tasks, and in right hippocampal and fusiform face processing areas during the visual STM tasks, wherein these modality effects were most pronounced when storing item information. The present results suggest that STM emerges from the deployment of modality-independent attentional and serial ordering processes toward sensory networks underlying the processing and storage of modality-specific item information. [less ▲]

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See detailL' emploi de subordonnants de temps dans un corpus latin
Denooz, Joseph ULg

in Anreiter, Peter; Kienpointner (Eds.) Latin Linguistics Today. Akten des 15. Internationalen Kolloquiums zur Lateinischen Linguistiki. Innsbruck, 4. - 9. April 2009. (2010)

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See detailSelective epitaxial growth of III-V semiconductor on large-area Si substrate for advanced logic CMOS technologies
Nguyen, Ngoc Duy ULg; Brammertz, Guy; Wang, Gang et al

Conference (2010)

The continued downscaling of the metal-oxide semiconductor (MOS) transistor for sub-22 nm logic circuits with boosted performance will require the introduction of new channel materials with carrier ... [more ▼]

The continued downscaling of the metal-oxide semiconductor (MOS) transistor for sub-22 nm logic circuits with boosted performance will require the introduction of new channel materials with carrier mobility higher than that of Si, such as Ge for pMOS. The use of III-V compounds for nMOS devices poses however additional challenges related to the hetero-epitaxial growth of a polar semiconductor on a non-polar surface. Furthermore, these high-mobility materials have to be fabricated on large-area Si substrates, in the perspective of application in a standard low-cost very-large-scale integration scheme. In this work, we report on the successful growth of GaAs on 200 mm Si wafers by means of metal-organic vapor deposition using a modified Crius Close-Coupled Showerhead system from AIXTRON AG. We used Si (100) wafers with off-axis orientation (6° miscut towards <111>) in order to avoid the formation of anti-phase domains which lead to Ga-Ga and As-As bonds at their boundaries that have strong detrimental effects on the electrical conduction. In our approach, based on Ge virtual substrates with low threading dislocation (TD) density, the lattice mismatch between Si and GaAs is accommodated and, thus, no additional TD is introduced in the deposited III-V film. Our results show that smooth GaAs layers can be epitaxially grown on large-area Si substrates with high wafer-scale thickness uniformity. The excellent quality of the deposited GaAs was confirmed by photoluminescence and electron microscopy. Our process also demonstrates very high selectivity on patterned wafers with SiO2 mask and enabled the fabrication of capacitor structures using an integration process flow very similar to standard high volume Si manufacturing lines. The capacitance-voltage characteristics were similar to the ones obtained on a bulk GaAs substrate, and showed extremely tight within-wafer and wafer-to-wafer distributions as is standard to Si manufacturing. [less ▲]

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See detailOpinions publiques et sécurité européenne. Identité collective, particularismes nationaux et prise de risque
Dumoulin, André ULg

in Annuaire français de relations internationales 2010 (2010)

Le soutien de l’opinion publique européenne est un élément incontournable de l’édification de la Politique européenne de sécurité et de défense (PESD). Les sondages eurobaromètres permettent de déterminer ... [more ▼]

Le soutien de l’opinion publique européenne est un élément incontournable de l’édification de la Politique européenne de sécurité et de défense (PESD). Les sondages eurobaromètres permettent de déterminer les axes des efforts futurs à engager pour améliorer l’information au public et garantir la légitimité des missions extérieures. Cependant, « la rationalité » des positions des publics au sujet de la PESD doit être pondérée par les particularismes nationaux et géohistoriques, tout autant que par les effets thanatologiques des affrontements sur les opinions publiques, les parlementaires et les médias. [less ▲]

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