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See detailHow the debate on the protection of IDPs could inform the debate on the protection of environmental migrations
Gemenne, François ULg; Brücker, Pauline

Conference (2012, December 06)

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See detailHow the DNA damage response determines the fate of HTLV-1 Tax-expressing cells
Boxus, Mathieu ULg; Willems, Luc ULg

in Retrovirology (2012), 9(2),

How the Human T lymphotropic virus type 1 (HTLV-1) Tax protein stimulates proliferation while triggering cell cycle arrest and senescence remains puzzling. There is also a debate about the ability of Tax ... [more ▼]

How the Human T lymphotropic virus type 1 (HTLV-1) Tax protein stimulates proliferation while triggering cell cycle arrest and senescence remains puzzling. There is also a debate about the ability of Tax to activate or inhibit the DNA damage response. Here, we comment on these different activities and propose a conceptual rationale for the apparently conflicting observations. [less ▲]

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See detailHow the financial crash of October 1997 could have been predicted
Vandewalle, Nicolas ULg; Ausloos, Marcel ULg; Boveroux, P. et al

in European Physical Journal B -- Condensed Matter (1998), 4(2), 139-141

From the analysis of (closing value) stock market index like the Dow Jones Industrial average and the S&P500 it is possible to observe the precursor of a so-called crash. This is shown on the Oct. 1987 ... [more ▼]

From the analysis of (closing value) stock market index like the Dow Jones Industrial average and the S&P500 it is possible to observe the precursor of a so-called crash. This is shown on the Oct. 1987 and Oct. 1997 cases. The data analysis indicates that the index divergence has followed twice a "universal"; behavior, i.e. a logarithmic dependence, superposed on a well defined oscillation pattern. The prediction of the crash date is remarkable and can be done two months in advance. In the spirit of phase transition phenomena, the economic index is said to be analogous to a signal signature found in a two dimensional fluid of vortices. [less ▲]

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See detailHow the genomic environment of the HTLV-1 provirus impacts on clone fitness
Gillet, Nicolas ULg; Malani, Nirav; Berry, Charles et al

Conference (2010, May)

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See detailHow the People of Butembo (RDC) were Chosen to Embody ‘the New Congo’: Or What the Appearance of a Poster in a City’s Public Places can Teach about its Social Tissue
Geenen, Kristien ULg

in International Journal of Urban and Regional Research (2012), 36(3), 448-461

In this article, I translate local narratives about one particular event into a reading of a city as a whole. The city concerned is Butembo, a secondary city in the North Kivu province (DRC). The incident ... [more ▼]

In this article, I translate local narratives about one particular event into a reading of a city as a whole. The city concerned is Butembo, a secondary city in the North Kivu province (DRC). The incident relates to the appearance of a foreign flower in the late 1950s. This water hyacinth — named ‘Congo ya Sika’, which means ‘the New Congo’— caused severe damage to the waterways of the Belgian Congo, and the colonial authorities mobilized the population in an effort to eradicate the plague. Pamphlets and posters were spread, with the request to destroy the pictured flower when spotted. People of Butembo reacted in a most particular way to the appearance of these posters in their city, ascribing the Congo ya Sika flower mythical proportions right from the start. In their interpretation, the appearance of the flower was a sign that ‘the new Congo’would rise in their town, endowing their place exclusively with a particular force. I scrutinize the myth’s origin and analyse its social meaning, in an effort to gain a better understanding of Butembo’s society. Throughout my analysis, special attention is paid to (self) representation, and to noise stuck to colonial messages. [less ▲]

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See detailHow the reference values for serum parathyroid hormone concentration are (or should be) established?
Souberbielle, J.-C.; Brazier, F.; Piketty, M.-L. et al

in Journal of Endocrinological Investigation (in press)

Well-validated reference values are necessary for a correct interpretation of a serum PTH concentration. Establishing PTH reference values needs recruiting a large reference population. Exclusion criteria ... [more ▼]

Well-validated reference values are necessary for a correct interpretation of a serum PTH concentration. Establishing PTH reference values needs recruiting a large reference population. Exclusion criteria for this population can be defined as any situation possibly inducing an increase or a decrease in PTH concentration. As recommended in the recent guidelines on the diagnosis and management of asymptomatic primary hyperparathyroidism, PTH reference values should be established in vitamin D-replete subjects with a normal renal function with possible stratification according to various factors such as age, gender, menopausal status, body mass index, and race. A consensus about analytical/pre-analytical aspects of PTH measurement is also needed with special emphasis on the nature of the sample (plasma or serum), the time and the fasting/non-fasting status of the blood sample. Our opinion is that blood sample for PTH measurement should be obtained in the morning after an overnight fast. Furthermore, despite longer stability of the PTH molecule in EDTA plasma, we prefer serum as it allows to measure calcium, a prerequisite for a correct interpretation of a PTH concentration, on the same sample. Once a consensus is reached, we believe an important international multicentre work should be performed to recruit a very extensive reference population of apparently healthy vitamin D-replete subjects with a normal renal function in order to establish the PTH normative data. Due to the huge inter-method variability in PTH measurement, a sufficient quantity of blood sample should be obtained to allow measurement with as many PTH kits as possible. [less ▲]

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See detailHow The Semiotic Square Came
Badir, Sémir ULg

in Beziau, Jean-Yves; Payette, Gillman (Eds.) The Square of Opposition. A General Framework for Cognition (2012)

In this paper, I intend to give a presentation of the diagram known in semiotics as “the semiotic square”. More precisely, I would like to retrace semiotic square’s origins and early history until its ... [more ▼]

In this paper, I intend to give a presentation of the diagram known in semiotics as “the semiotic square”. More precisely, I would like to retrace semiotic square’s origins and early history until its “official” presentation in a dictionary of semiotics. One would expect that the logical square should have taken a great part in the invention of the semiotic diagram. However, the trajectory of the semiotic square was more fluctuating and heterogeneous than what is expected a priori, coming under the influence not only of logic but also of other sources of knowledge, as anthropology and linguistics. Shaped at the very same moment by a diagrammatical representation the semiotic square allows an underdetermination of the relations of its objects. The object becomes properly structural simply when the square displayed that structure. So the determinations of the structure can be renewed by the way of theoretical discussion around the square itself, constructing and, soon, deconstructing, a concrete geometrical shape. And this is the usual way semioticians think. [less ▲]

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See detailHow the Δ13C of the soil materials influence the isotopic signature of the soil CO2 efflux in a beech temperate forest and a rain tropical forest
Longdoz, Bernard ULg; Epron, Daniel; Ngao, Jérôme et al

in Geophysical Research Abstracts (2006)

Carbon isotopic signature has been measured at the different stages of the soil CO2 efflux production in trenched and control plots to improve the knowledge about the physical and biochemical processes of ... [more ▼]

Carbon isotopic signature has been measured at the different stages of the soil CO2 efflux production in trenched and control plots to improve the knowledge about the physical and biochemical processes of the soil respiration. All the measurements of _13C have been performed using a mass-spectrometer.We have compared the isotopic signatures of the CO2 going out of the soil, the CO2 of the soil atmosphere, the organic carbon in the material that could be considered as the main soil respiration sources (live and dead roots, soil organic matter, aerial litter) and the CO2 produced by these sources in incubation jars. The aims of this study were to evaluate the possibilities to combine these different data sets to estimate the partitioning of soil respiration between its autotrophic and heterotrophic components, and to get more insight into potential fractionation during biochemical or diffusion processes. Measurements were conducted in a beech forest located at Hesse in the North East of France (site equipped with a flux tower and belonging to the CarboEurope network) and in a neotropical primary rainforest located at Paracou (French Guiana). Preliminary results show first a very tenuous difference between CO2 isotopic signatures of efflux coming from the trenched and control plots and, secondly, _13C significant divergences between bulk organic material and CO2 produced in the corresponding incubation jars. Our ability to use this kind of data for partitioning soil respiration into its main components will be discussed. [less ▲]

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See detailHow they became the human face of climate change. Research and policy interactions in the birth of the ‘environmental migration’ concept.
Gemenne, François ULg

in Piguet, Etienne; Pécoud, Antoine; De Guchteneire, Paul (Eds.) Migration and Climate Change (2011)

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See detailHow Tightly Linked Are Pericopsis elata (Fabaceae) Patches to Anthropogenic Disturbances in Southeastern Cameroon?
Bourland, Nils; Cerisier, François; Daïnou, Kasso ULg et al

in Forests (2015), 6(2), 293-310

While most past studies have emphasized the relationships between specific forest stands and edaphic factors, recent observations in Central African moist forests suggested that an increase of slash-and ... [more ▼]

While most past studies have emphasized the relationships between specific forest stands and edaphic factors, recent observations in Central African moist forests suggested that an increase of slash-and-burn agriculture since 3000–2000 BP (Before Present) could be the main driver of the persistence of light-demanding tree species. In order to examine anthropogenic factors in the persistence of such populations, our study focused on Pericopsis elata, an endangered clustered timber species. We used a multidisciplinary approach comprised of botanical, anthracological and archaeobotanical investigations to compare P. elata patches with surrounding stands of mixed forest vegetation (“out-zones”). Charcoal samples were found in both zones, but were significantly more abundant in the soils of patches. Eleven groups of taxa were identified from the charcoals, most of them also present in the current vegetation. Potsherds were detected only inside P. elata patches and at different soil depths, suggesting a long human presence from at least 2150 to 195 BP, as revealed by our charcoal radiocarbon dating. We conclude that current P. elata patches most likely result from shifting cultivation that occurred ca. two centuries ago. The implications of our findings for the dynamics and management of light-demanding tree species are discussed. [less ▲]

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See detailHow to account for new forms of resistance to domination: An argument for a materialist renewal in European social theory
Frère, Bruno ULg; Tulle, Emmanuelle

E-print/Working paper (2017)

Many significant intellectual developments have taken place in 20th century European social theories. Notably the first Frankfurt School and Bourdieu’s work have successfully shown how workers, social ... [more ▼]

Many significant intellectual developments have taken place in 20th century European social theories. Notably the first Frankfurt School and Bourdieu’s work have successfully shown how workers, social actors, etc. are alienated or dominated by capitalist social structures. But according to Habermas, neither perspective successfully allows for the possibility that people could contribute to their own emancipation. The emergence of new forms of social resistance to domination such as those embodied by the Indignados, Anonymous, Femen, the practitioners of alternative economy, movements of unemployed people or illegals compels us to envisage the possibility for emancipation, but how? In this paper we explore opportunities for accounting for this by considering the work of a range of other European social theorists, more specifically Boltanski whose critical intent is embodied in his pragmatic sociology, and evident in his coining and use of the concept of the world. In addition we will consider Latour’s own pragmatic stance as we believe that despite his disinterest in new social movements, his work, informed by pure immanence, might offer potential solutions. But we would argue that even in these innovations there is either a persistent tendency to imagine emancipation primarily as a return to some ideal state or a lack of critical engagement with alienation. In response, we propose a materialist renewal, which will lead us to ponder on the political role of sociologists. [less ▲]

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See detailHow to analyse thermodynamic properties of solids and liquids in relation with adhesion?
Courard, Luc ULg

in Ohama, Yoshihiko; Puterman, Moshe (Eds.) Proceedings of the 2nd International RILEM Symposium ISAP 99 (1999)

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See detailHow to Apply for and Secure EU Funding for Collaborative IBD Research Projects.
Satsangi, Jack; Kitten, Olivier; CHAVEZ, Viviana ULg et al

in Journal of Crohn's and Colitis [=JCC] (2016), 10(3), 363-70

The European Union offers opportunities for high-level of funding of collaborative European research. Calls are regularly published: after the end of the FP7 funding programme the new round of Horizon ... [more ▼]

The European Union offers opportunities for high-level of funding of collaborative European research. Calls are regularly published: after the end of the FP7 funding programme the new round of Horizon 2020 calls started in 2015. Several topics are relevant to inflammatory bowel disease (IBD) challenges, including chronic disease management, biomarker discovery and new treatments developments. The aim of this Viewpoint article is to describe the new Horizon 2020 instrument and the project submission procedures, and to highlight these through the description of tips and tricks, taking advantage of four examples of successful projects in the field of IBD: the SADEL, IBD-BIOM, IBD Character and BIOCYCLE projects. [less ▲]

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See detailHow to Asess a Manager Recovery Skill?
Sougné, Danielle ULg; Bodson, Laurent ULg; Plunus, Séverine ULg et al

Scientific conference (2010, October 21)

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See detailHow to Assess Data Availability, Accessibility and Format for Risk Analysis?
Humblet, Marie-France ULg; Vandeputte, Sébastien; Mignot, Clémence et al

in Transboundary and Emerging Diseases (2015), 63

Risk assessments are mostly carried out based on available data, which do not reflect all data theoretically required by experts to answer them. This study aimed at developing a methodology to assess data ... [more ▼]

Risk assessments are mostly carried out based on available data, which do not reflect all data theoretically required by experts to answer them. This study aimed at developing a methodology to assess data availability, accessibility and format, based on a scoring system and focusing on two diseases: Venezuelan equine encephalomyelitis (VEE), still exotic to Europe, and alveolar echinococcosis, caused by Echinococcus multilocularis (EM), endemic in several Member States (MSs). After reviewing 36 opinions of the EFSA-AHAW Panel on risk assessment of animal health questions, a generic list of needed data was elaborated. The methodology consisted, first, in implementing a direct and an indirect survey to collect the data needed for both case studies: the direct survey consisted in a questionnaire sent to contact points of three European MSs (Belgium, France and the Netherlands), and the organization of a workshop gathering experts on both diseases. The indirect survey, focusing on the three MSs involved in the direct survey plus Spain, relied on web searches. Secondly, a scoring system with reference to data availability, accessibility and format was elaborated, to, finally, compare both diseases and data between MSs. The accessibility of data was generally related to their availability. Web searches resulted in more data available for VEE compared to EM, despite its current exotic status in the European Union. Hypertext markup language and portable document files were the main formats of available data. Data availability, accessibility and format should be improved for research scientists/assessors. The format of data plays a key role in the feasibility and rapidness of data management and analysis, through a prompt compilation, combination and aggregation in working databases. Harmonization of data collection process is encouraged, according to standardized procedures, to provide useful and reliable data, both at the national and the international levels for both animal and human health; it would allow assessing data gaps through comparative studies. The present methodology is a good way of assessing the relevance of data for risk assessment, as it allows integrating the uncertainty linked to the quality of data used. Such an approach could be described as transparent and traceable and should be performed systematically. [less ▲]

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