References of "2008"
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See detailTesi Samanunga : La littérature en langue thioise dans la Principauté de Liège
Vromans, Joseph ULg

Conference (2008, December 12)

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See detailImmuno PCR : a new tool for the ultra-sensitive detection of biomolecules
Zorzi, Willy ULg; Elmoualij, Benaïssa ULg

Conference (2008, December 11)

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See detailCommunication, médiation, vulgarisation
Servais, Christine ULg

Conference (2008, December 11)

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See detailInvisible Computer for Design Activities
Safin, Stéphane ULg

Conference (2008, December 11)

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See detailComparison of 2D turbulence models for steady flows computation in a macro-rough channel
Erpicum, Sébastien ULg; Meile, Tobias; Dewals, Benjamin ULg et al

in 2nd International Symposium on Shallow Flows (2008, December 11)

A 2D numerical flow model, developed at the Laboratory of Hydrology, Applied Hydrodynamics and Hydraulic Constructions (HACH) at ULg, has been applied to flows in a macro-rough channel using three ... [more ▼]

A 2D numerical flow model, developed at the Laboratory of Hydrology, Applied Hydrodynamics and Hydraulic Constructions (HACH) at ULg, has been applied to flows in a macro-rough channel using three different approaches to compute the turbulence effects. Both the first and second ones are based on algebraic expressions of the turbulent viscosity, and the third one uses a depth-integrated k- type model involving two additional partial differential equations. Data for the comparison have been provided by experiments conducted at the Laboratory of Hydraulic Constructions (LCH) at EPFL, showing different two-dimensional flow characteristics in varied configurations of large scale cavities in depressions at the side walls of the flume. Despite the strongly different modeling approaches used in the three models to handle the turbulence effects, the numerical models give generally similar and satisfactory agreement between experimental and numerical results regarding backwater curves. [less ▲]

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See detailStructure des communautés de plantes herbacées sur les Grands Causses : Stratégies fonctionnelles des espèces et interactions interspécifiques
Fayolle, Adeline ULg

Doctoral thesis (2008)

Plant community response to grazing management was studied on the INRA La Fage experimental station, Larzac Causse. Land use practices were considered as a disturbance and resource filter that remove ... [more ▼]

Plant community response to grazing management was studied on the INRA La Fage experimental station, Larzac Causse. Land use practices were considered as a disturbance and resource filter that remove species. The integrated approach of community structure used in this study was centred on plant functional traits. Continuous variations of plant traits associated with resource acquisition and early phenology indicated the replacement of stress tolerant species by ruderals along the gradient of land use intensity (grazing avoidance). Graminoids were particularly abundant in these communities. Changes in species identity and species functional identity were consistent with the grazing tolerance strategy. At the community scale, the strong functional convergence among dominant species confirmed the filtering effect of grazing management on these traits. Species richness reached its maximum at intermediate grazing. Maximal richness was associated with the coexistence of many growth forms and an important functional richness. These results are interpreted as an extension of the intermediate disturbance hypothesis to the traits of coexisting species. Finally, plant interaction dynamics experienced by five target species allowed us to identify the tendency of facilitated survival and intensely depressed biomass. The effect of communities was roughly similar although huge differences in specific and functional structure. The response to the least from competition and benefited the most from facilitation. [less ▲]

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See detailDas Leben der Anderen
Hamers, Jérémy ULg

Conference (2008, December 11)

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See detailComfort Status in Naturally Ventilated Buildings of North-East India
Singh, Manoj Kumar ULg; Mahapatra, Sadhan; Atreya, S. K.

Scientific conference (2008, December 11)

A field study has been carried out to evaluate the thermal comfort perception of the occupants in naturally ventilated buildings at different bioclimatic zones of North-East India. The survey also ... [more ▼]

A field study has been carried out to evaluate the thermal comfort perception of the occupants in naturally ventilated buildings at different bioclimatic zones of North-East India. The survey also examined the adaptive behavior of the occupants in the usage of climatic control such as windows and fans to modify the indoor environment. The survey was performed in naturally ventilated buildings during the winter, pre-summer season in 2008. There were 220 occupants from 75 vernacular buildings who participated in this study and 200 questionnaire responses were collected. This study is primarily concerns on human thermal comfort from the physiological, adaptive and social convention aspects. The data collected include temperature, humidity and lighting level, as well as results from questionnaires on the occupant’s sensations of thermal comfort. This study also looks into the occupants social and cultural requirements in the vernacular buildings. Thermal acceptability assessment reveals that the indoor environment in naturally ventilated buildings are widely varied across the three bio-climatic zones and also influenced by visual, social and cultural aspects of respective zones. The upper and lower range of acceptable temperatures in naturally ventilated buildings is varied by 2 0C from neutral vote for each climate zone in both winter and pre-summer. The study also attempts to define the comfort status and suggestions are made to improve the comfort status in naturally ventilated buildings of the region. [less ▲]

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See detailHST observations of Jupiter's aurorae - What can we learn from the Io UV footprint?
Bonfond, Bertrand ULg

Scientific conference (2008, December 11)

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See detailImpact of cyclic hypoxia on HIF-1a regulation in endothelial cells: new insights for anti-tumor treatments
Martinive, Philippe ULg

in FEBS Journal (2008)

Impact of cyclic hypoxia on HIF-1alpha regulation in endothelial cells - new insights for anti-tumor treatments.Martinive P, Defresne F, Quaghebeur E, Daneau G, Crokart N, Grégoire V, Gallez B, Dessy C ... [more ▼]

Impact of cyclic hypoxia on HIF-1alpha regulation in endothelial cells - new insights for anti-tumor treatments.Martinive P, Defresne F, Quaghebeur E, Daneau G, Crokart N, Grégoire V, Gallez B, Dessy C, Feron O. Unit of Pharmacology and Therapeutics, Université catholique de Louvain, Brussels, Belgium. Heterogeneities in tumor blood flow are associated with cyclic changes in pO(2) or cyclic hypoxia. A major difference from O(2) diffusion-limited or chronic hypoxia is that the tumor vasculature itself may be directly influenced by the fluctuating hypoxic environment, and the reoxygenation phases complicate the usual hypoxia-induced phenotypic pattern. Here, we determined the cyclic hypoxia-driven pathways that modulate hypoxia inducible factor (HIF)-1alpha abundance in endothelial cells to identify possible therapeutic targets. We found that exposure of endothelial cells to cycles of hypoxia/reoxygenation led to accumulation of HIF-1alpha during the hypoxic periods and the phosphorylation of protein kinase B (Akt), extracellular regulated kinase (ERK) and endothelial nitric oxide synthase (eNOS) during the reoxygenation phases. We identified stimulation of mitochondrial respiration and activation of the phosphoinositide-3 kinase (PI3K)/Akt pathway during intervening reoxygenation periods as major triggers of the stabilization of HIF-1alpha. We also found that the NOS inhibitor nitro-l-arginine methyl ester further stimulated the cyclic hypoxia-driven HIF-1alpha accumulation and the associated gain in endothelial cell survival, thereby mirroring the effects of a PI3K/Akt inhibitor. However, combination of both drugs resulted in a net reduction in HIF-1alpha and a dramatic in decrease in endothelial cell survival. In conclusion, this study identified cyclic hypoxia, as reported in many tumor types, as a unique biological challenge for endothelial cells that promotes their survival in a HIF-1alpha-dependent manner through phenotypic alterations occurring during the reoxygenation periods. These observations also indicate the potential of combining Akt-targeting drugs with anti-angiogenic drugs, in particular those interfering with the NO pathway. PMID: 19077164 [PubMed - as supplied by publisher [less ▲]

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See detailOUFTI-1, the first student nanosatellite of Belgium
Pisane, Jonathan ULg

Speech (2008)

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See detailComment aider au redémarrage des entrepreneurs de seconde chance ?
Van Caillie, Didier ULg; Crutzen, Nathalie ULg

Scientific conference (2008, December 10)

This document presents key elements to understand the context in which restarting entrepreneurs are operating and to identify some measures Public Authorities may launch for assisting and sustaining ... [more ▼]

This document presents key elements to understand the context in which restarting entrepreneurs are operating and to identify some measures Public Authorities may launch for assisting and sustaining restarters. [less ▲]

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See detailParliamentary TA Institutions as Indications of Reflexive Modernization
Delvenne, Pierre ULg

Conference (2008, December 10)

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See detailApproche physiopathologique du nouveau-né et de l'enfant en soins intensifs
Battisti, Oreste ULg

Conference (2008, December 10)

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See detailHerstelrecht en procedurele waarborgen
Lauwaert, Katrien ULg

Scientific conference (2008, December 10)

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See detailMusique ou bruit, les bonnes vibrations
Morsomme, Dominique ULg

Conference given outside the academic context (2008)

Detailed reference viewed: 9 (5 ULg)
See detailVisual long term memory for complex scenes: Impact of expertise and eye movements
Blavier, Adelaïde ULg

Scientific conference (2008, December 09)

Detailed reference viewed: 15 (6 ULg)