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See detailCHIC cells: a novel ALK+ cell line derived from a relapsed anaplastic large cell lymphoma
Thielen, Caroline ULg; Bisig, Bettina ULg; Gofflot, Stéphanie ULg et al

in British Journal of Haematology (2011), 152

Since the initial description of anaplastic large cell lymphoma (ALCL) as a proliferation of large CD30+ lymphoid cells, the morphological spectrum of ALCL positive for anaplastic lymphoma kinase (ALCL ... [more ▼]

Since the initial description of anaplastic large cell lymphoma (ALCL) as a proliferation of large CD30+ lymphoid cells, the morphological spectrum of ALCL positive for anaplastic lymphoma kinase (ALCL, ALK+) has expanded, and beyond the common pattern most frequently encountered, several variants have been identified, including the lymphohistiocytic and the small cell patterns (Swerdlow et al, 2008). Only ten ALK+ ALCL cell lines are currently available, and most were derived from tumours demonstrating the common type morphology (Drexler & MacLeod, 2004). We have established a novel cell line (CHIC) from the cerebrospinal fluid of a 32-year-old man with relapsing/refractory ALK+ ALCL with a t(2;5)(p23;q35) translocation whose initial tumour exhibited lymphohistiocytic features. This cell line is now made available to the scientific community. In addition to multiple in vitro applications, the tumourigenic capacity of these cells represents a useful property for in vivo drug testing. [less ▲]

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See detailRegM - Registre de Morbidité
Vanmeerbeek, Marc ULg; Franckh, Marc; Froidcoeur, Xavier ULg

Report (2011)

REGM is a research program about the feasibility of a Belgian morbidity registration system, extracted from existing electronic information systems (EMR) of general practitioners. REGM is part of a larger ... [more ▼]

REGM is a research program about the feasibility of a Belgian morbidity registration system, extracted from existing electronic information systems (EMR) of general practitioners. REGM is part of a larger program which aims to enhance the development of primary health care and improve the quality of care. This part is aimed at the description of three experiments: in France, Switzerland and the Netherlands. [less ▲]

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See detailGalectin-9 splice variants in endothelial cells: identification of novel variants and functional characterization
Heusschen, Roy ULg; De Bree, Martijn; Griffioen, Arjan et al

in Angiogenesis (2011)

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See detailOptimal and robust event-related designs for fMRI
Maus, Bärbel ULg; van Breukelen, Gerard J P; Goebel, R et al

Conference (2011)

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See detailClosure to "Energy Dissipation and Turbulent Production in Weak Hydraulic Jumps" by E. Mignot and R. Cienfuegos
Mignot, E.; Peltier, Yann ULg; Cienfuegos, R.

in Journal of Hydraulic Engineering (2011), 137(8), 862-863

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See detailFirst retrievals of carbon tetrafluoride (CF4) from ground-based FTIR measurements: production and analysis of the two-decadal time series above the Jungfraujoch
Duchatelet, Pierre ULg; Zander, Rodolphe ULg; Mahieu, Emmanuel ULg et al

in Geophysical Research Abstracts (2011)

Carbon tetrafluoride (CF4 or PFC-14) is a potent greenhouse gas that is almost 7400 times more effective (100-yr horizon) than CO2 on a per molecule basis (IPCC, 2007). This high global warming potential ... [more ▼]

Carbon tetrafluoride (CF4 or PFC-14) is a potent greenhouse gas that is almost 7400 times more effective (100-yr horizon) than CO2 on a per molecule basis (IPCC, 2007). This high global warming potential, coming from its medium absorbance combined with a very long atmospheric lifetime (>50000 years; Ravishankara et al., 1993), makes CF4 a key species among the various greenhouse gases targeted by the Kyoto Protocol. In the Northern hemisphere, current atmospheric CF4 concentrations are close to 78 pptv, with a large fraction (around 35 pptv, Mühle et al., 2010) coming from natural processes like lithospheric emissions (Harnisch and Eisenhauer, 1998). In addition, CF4 has been used increasingly since the eighties in electronic and semiconductors industry. The primary aluminum production processes have also been clearly identified as an important anthropogenic source of CF4 emissions. The partitioning between these two main sources is however problematic, principally due to lacking or incomplete CF4 emission factors from inventories performed in industrial fields (e.g. International Aluminum Institute, 2009). Recent in situ ground level measurements of CF4 in the Northern hemisphere (Khalil et al., 2003; Mühle et al., 2010) or remotely from space (Rinsland et al., 2006) have indicated a significant slowdown in the increase rate of atmospheric CF4. This probably results from measures adopted by the aluminum industry aiming at the reduction of the frequency and duration of “anode effects” and therefore of related PFCs emissions (International Aluminum Institute, 2009). The present contribution reports on the long-term evolution (1990-2010) of the atmospheric carbon tetrafluoride total vertical abundance derived from ground-based Fourier transform infrared (FTIR) solar spectroscopy observations around 1285 cm-1 at the Jungfraujoch (46.5°N, 8.0°E, 3580m asl) and compares our findings with results available in the literature. To our knowledge, no equivalent time series (i.e. based on ground-based FTIR technique) has been published to date. [less ▲]

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See detailA partial hybrid stress solid-shell element for the analysis of laminated composites
Rah, Kamran; Van Paepegem, Wim; Habraken, Anne ULg et al

in Computer Methods in Applied Mechanics and Engineerinrg (2011), 200(49-52), 35263539

In this paper a low order partial hybrid stress solid-shell element based on the composite energy functional for the analysis of laminated composite structures is presented. This solid-shell element has ... [more ▼]

In this paper a low order partial hybrid stress solid-shell element based on the composite energy functional for the analysis of laminated composite structures is presented. This solid-shell element has eight nodes with only displacement degrees of freedoms, and three-dimensional constitutive models can be directly employed in the present formulation without any additional treatment. The assumed interlaminar stress field provides very accurate interlaminar stress calculation through the element thickness. These elements can be stacked on top of each other to model multilayer structures, fulfilling the interlaminar stress continuity at the interlayer surfaces and zero traction conditions on the top and bottom surfaces of the laminate. The present solid-shell does not show the transverse shear, trapezoidal and thickness locking phenomenon. [less ▲]

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See detailYBa2Cu3O7−x dispersion in iodine acetone for electrophoretic deposition: Surface charging mechanism in a halogenated organic media
Dusoulier, Laurent; Cloots, Rudi ULg; Vertruyen, Bénédicte ULg et al

in Journal of the European Ceramic Society (2011), 31

Electrophoretic deposition (EPD) performance strongly depends on the particles surface chemistry and the ability to manipulate surface–liquid interfaces. In this study an extensive investigation of YBCO ... [more ▼]

Electrophoretic deposition (EPD) performance strongly depends on the particles surface chemistry and the ability to manipulate surface–liquid interfaces. In this study an extensive investigation of YBCO suspension in dry acetone, acetone–water mixtures and acetone–iodine is reported. Chemical instability of YBCO particles determines their colloidal behaviour. Charging mechanism of particles has therefore had to be deeply investigated for complete dispersion understanding. In order to determine the conditions of the YBCO suspension stability, measurements of pH, conductivity, zeta-potential, settling tests, modelling of the particle networks and electrophoretic deposition were done. The influence of the water and iodine concentration, and their role as stabilizers was evaluated. Based on experimental results, pair particle potentials were calculated and then different charging mechanisms of YBCO surfaces in acetone were proposed. [less ▲]

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See detailCoping with Minority Status: Responses to Exclusion and Inclusion
Martiniello, Marco ULg

in Contemporary Sociology: a Journal of Reviews (2011), 40(2), 158-159

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See detailNotched Specimens Fracture Prediction with an Advanced GTN Model
Fansi Tchonko, Joseph ULg; Ben Bettaieb, Mohamed ULg; Balan, Tudor et al

in Key Engineering Materials [=KEM] (2011), 488-489

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See detailLa tradizione fiorentina della Supplicatione d’Italia al re di Francia. Con una nuova edizione critica
Moreno, Paola ULg

in Filologia e Critica (2011), XXXV(2), 1-33

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See detailLe Michelsberg de Pont-de-Bonne (province de Liège, Belgique)
Delye, Emmanuel ULg; Gilson, Simon-Pierre; Noiret, Pierre ULg

in Revue Archéologique de Picardie (2011)

Since the beginning of research on the éperon barré of Pont-de-Bonne (Modave, Belgium), we have recovered artefacts attributed to the Middle Neolithic. More recently, during excavation of the entrance ... [more ▼]

Since the beginning of research on the éperon barré of Pont-de-Bonne (Modave, Belgium), we have recovered artefacts attributed to the Middle Neolithic. More recently, during excavation of the entrance system of the fortification, a pot hole and a waste accumulation zone have been analysed. These structures contained abundant archaeological material (ceramic sherd, lithic and bone artefact and fauna). Three radiometric dates have been obtained. The ceramic assemblage is typical of the Belgian Michelsberg and a decorated vase shows Bischheim affinities. [less ▲]

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See detailReview of Dear Charles, Dear Janet: Frame and Brasch in Correspondence
Delrez, Marc ULg

in Commonwealth : Essays and Studies (2011), 33.2(Spring 2011), 151-153

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See detailMiradas que se cruzan desde España. El entusiasmo de Manuel Vázquez Montalbán y la crítica de Ignacio Vidal-Folch
Vanden Berghe, Kristine ULg

in Vanden Berghe, Kristine; Huffshmid, Anne; Lefere, Robin (Eds.) EL EZLN y sus intérpretes. Resonancias del zapatismo en la academia y en la literatura. (2011)

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See detailUtilisation des micro-ondes pour la conversion hydrolytique de la biomasse lignocellulosique
Richel, Aurore ULg; Paquot, Michel ULg

in Chimie Nouvelle (2011), 108

The use of microwave is described as a non conventional and original heating source for both pretreatment and hydrolysis of lignocellulosic agroresources into high added value materials. Advantages of ... [more ▼]

The use of microwave is described as a non conventional and original heating source for both pretreatment and hydrolysis of lignocellulosic agroresources into high added value materials. Advantages of this approach are presented in terms of reduced reaction times and improved selectivities and yields. The limitations of this technology are also evaluated. [less ▲]

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See detailBrain functional integration decreases during propofol-induced loss of consciousness.
Schrouff, Jessica ULg; Perlbarg, Vincent; Boly, Mélanie ULg et al

in NeuroImage (2011), 57(1), 198-205

Consciousness has been related to the amount of integrated information that the brain is able to generate. In this paper, we tested the hypothesis that the loss of consciousness caused by propofol ... [more ▼]

Consciousness has been related to the amount of integrated information that the brain is able to generate. In this paper, we tested the hypothesis that the loss of consciousness caused by propofol anesthesia is associated with a significant reduction in the capacity of the brain to integrate information. To assess the functional structure of the whole brain, functional integration and partial correlations were computed from fMRI data acquired from 18 healthy volunteers during resting wakefulness and propofol-induced deep sedation. Total integration was significantly reduced from wakefulness to deep sedation in the whole brain as well as within and between its constituent networks (or systems). Integration was systematically reduced within each system (i.e., brain or networks), as well as between networks. However, the ventral attentional network maintained interactions with most other networks during deep sedation. Partial correlations further suggested that functional connectivity was particularly affected between parietal areas and frontal or temporal regions during deep sedation. Our findings suggest that the breakdown in brain integration is the neural correlate of the loss of consciousness induced by propofol. They stress the important role played by parietal and frontal areas in the generation of consciousness. [less ▲]

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See detailK voprosou bidelenii fatsii zoubtchatogo moustié na materialakh pamyatnikov sredneï azii
Krivoshapkin, A.; Kolobova, K.; Pavlenok, K. et al

Scientific conference (2011)

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See detailCharacterization of the response of GFP microbial biosensors sensitive to substrate limitation in scale-down bioreactors
Delvigne, Frank ULg; Brognaux, Alison ULg; Gorret, Nathalie et al

in Biochemical Engineering Journal (2011), 55(2), 131-139

The dynamics of microbial stress response in intensive cultivation conditions remains not completely understood. In this work, two green fluorescent protein (GFP) transcriptional reporters have been used ... [more ▼]

The dynamics of microbial stress response in intensive cultivation conditions remains not completely understood. In this work, two green fluorescent protein (GFP) transcriptional reporters have been used as biosensors of the heterogeneities generated in a two-compartment scale-down reactor. The stress promoters have been chosen for their responsiveness to carbon limitation corresponding to the global substrate profiles encountered in intensive fed-batch cultures. From our results, it can be concluded that the exposure of microbial cells to substrates heterogeneities tends to decrease the GFP expression level in fed-batch mode. Fluorescence intensities have been monitored at the single cell level by using flow cytometry. During the course of the fed-batch culture, a drop at the level of the intracellular GFP content has been observed for the two scale-down operating conditions and for the two promoters sensitive to substrate limitation (rpoS and csiE). The fluorescence drop can be attributed to the repression of these promoters but also to the release of GFP to the extracellular medium according to the increase of the fluorescence level of the supernatant. This leakage has been observed for all the operating conditions, i.e. the scale-down reactors and the culture operating in the normal mode, i.e. in a well-mixed bioreactor. Interestingly, GFP leakage is more pronounced in the case of the cultures operated in the normal mode. Indeed, staining by propidium iodide tends to be more elevated for the microbial cells cultured under the normal mode by comparison with those cultured in scale-down conditions, indicating a higher permeability of the membrane. These results suggest that GFP microbial biosensors could be used to detect simultaneously mixing imperfections and their impact on the viability of microorganisms. [less ▲]

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See detailFirst-principles design of efficient solar cells using two-dimensional arrays of core-shell and layered SiGe nanowires
Pekoz, Rengin; Malcioglu, Osman Baris ULg; Raty, Jean-Yves ULg

in Physical Review. B, Condensed Matter and Materials Physics (2011), 83(3), 0353176-03531760353176

Research for third generation solar cell technology has been driven by the need to overcome the efficiency and cost problems encountered by current crystalline Si- and thin-film-based solar cells. Using ... [more ▼]

Research for third generation solar cell technology has been driven by the need to overcome the efficiency and cost problems encountered by current crystalline Si- and thin-film-based solar cells. Using first-principles methods, Ge/Si and Si/Ge core/shell and Si-Ge layered nanowires are shown to possess the required qualities for an efficient use in photovoltaic applications. We investigate the details of their band structure, effective mass, absorption property, and charge-carrier localization. The strong charge separation and improved absorption in the visible spectrum indicate a remarkable quantum efficiency that, combined with new designs, compares positively with bulk Si. [less ▲]

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