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See detailNetwork financing with two-part and single tariffs
Gautier, Axel ULg

in Dewenter, R.; Haucap, J. (Eds.) Access Pricing: Theory and Practice (2007)

In this paper, we compare two types of access pricing: a two-part tariff where the fixed part aims to cover (part of) the network’s fixed cost while the variable part covers the network’s usage costs and a ... [more ▼]

In this paper, we compare two types of access pricing: a two-part tariff where the fixed part aims to cover (part of) the network’s fixed cost while the variable part covers the network’s usage costs and a single tariff where both the usage and (part of ) the infrastructure costs are covered by a per-unit access charge. We compare how the regulator trades-off the degree of competition induced by the access charges and the network financing. (JEL: L11, L51). [less ▲]

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See detailGRB070429B: VLT observations.
Antonelli, L. A.; Stella, L.; Tagliaferri, G. et al

in GRB Coordinates Network (2007), 6372

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See detailAChE Inhibitors and their Clinical Assessment
Francotte, Pierre ULg; De Tullio, Pascal ULg; Pirotte, Bernard ULg

in Protein Misfolding in Neurodegenerative Diseases: Mechanisms and Therapeutic Strategies (2007)

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See detailDiagnostic differentiel du syndrome "piro-like" chez les équidés
Sandersen, Charlotte ULg; Amory, Hélène ULg

in Bulletin des Journées Nationales des GTV (2007)

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See detailLes toits de l'Europe: rapport d'activités
Hoffsummer, Patrick ULg; Eeckhout, Jérôme ULg

Report (2007)

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See detailApplications de la méthode des éléments finis étendus à la simulation de la rupture pour les matériaux piezoélectriques
Béchet, Eric ULg; Scherzer, M.; Kuna, Meinhard

Scientific conference (2007)

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See detailCold-Adapted Enzymes
Collins, T.; D'Amico, Salvino ULg; Marx, J. C. et al

in Gerday, Charles; Glansdorff, N. (Eds.) Physiology and biochemistry of extremophiles (2007)

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See detailThe Pregnancy-Associated Glycoproteins: Biochemical Aspects and Clinical Application for Pregnancy Follow-up
Melo de Sousa, Noelita ULg; Barbato, O.; Bella, Amina ULg et al

Conference (2007)

Pregnancy diagnosis is an important part in reproduction management of ruminants. In the last years, a large polymorphic family of placenta-expressed proteins has been discovered in ruminant species and ... [more ▼]

Pregnancy diagnosis is an important part in reproduction management of ruminants. In the last years, a large polymorphic family of placenta-expressed proteins has been discovered in ruminant species and used for pregnancy diagnosis. Members of this family are named pregnancy-associated glycoproteins (PAG), being synthesized in the mono- and binucleate cells of the ruminant’s trophectoderm. Part of them are released in the maternal blood circulation where they can be assayed by different laboratory techniques. Due to large variety of expressed molecules and to large variations in the post-translational processing of the PAG, different immuno-systems present different ability to quantify the PAG released in blood. The sensitivity (92 to 100%) and specificity of PAG radioimmunoassay when used for pregnancy diagnosis are very high. The assay of PAG can also bring very interesting information for researchers working in programs focused on the study of embryonic and fetal mortalities, as well as on embryo biotechnology (ET, FIV, clonage), animal nutrition, or infections diseases resulting in pathologies affecting the pregnancy. [less ▲]

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See detailFundamentals of Cold-Adapted Enzymes
D'Amico, Salvino ULg

Scientific conference (2007)

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See detailPADDY IRRIGATION SYSTEM USING SHALLOW RESERVOIR IN THE MEKONG RIVER FLOODPLAIN
Ly, Sarann ULg; Someth, Paradis; Men, Nareth

in The Proceeding of the 5th International Symposium on Earth Resources and Geological Engineering Education (2007)

The Tonle Sap Great Lake and the Mekong River in Cambodia have huge floodplain suitable for rice-based farming system and potential water resources for farming. Studies to exploit the flood and the water ... [more ▼]

The Tonle Sap Great Lake and the Mekong River in Cambodia have huge floodplain suitable for rice-based farming system and potential water resources for farming. Studies to exploit the flood and the water resources of the lake and the river have not been well conducted yet. Batheay irrigation system is located in the floodplain of the Tonle Sap River and the Mekong River. In this research, the irrigation system is studied as a model site for future development of the floodplain of the Tonle Sap Great Lake and the Mekong River. Batheay reservoir directly receives floodwater from the Mekong. It functions as both a reservoir and a paddy field. In wet season, dike around the Batheay reservoir prevents floodwater from entering the reservoir. Rainy season rice is grown inside the reservoir. After harvesting, gates around the reservoir are opened to receive floodwater. The water is stored for cultivating dry season rice outside the reservoir. In this work, we attempt to study water management of the Batheay irrigation system by analyzing water use pattern in the irrigation system and uncover effectiveness of the system. A development scenario for the floodplain of the Mekong River is then proposed. [less ▲]

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See detailDermatologie et Rhumatologie.
Quatresooz, Pascale ULg

Scientific conference (2007)

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See detailSHIP2 controls PtdIns(3,4,5)P3 and PKB activity in response to oxidative stress
Zhang, J.; Liu, Z.; Rasschaert, J. et al

in Cellular Signalling (2007), 19

Reactive oxygen species (ROS) are known to be involved in redox signalling pathways that may contribute to normal cell function as well as disease progression. The tumour suppressor PTEN and the inositol ... [more ▼]

Reactive oxygen species (ROS) are known to be involved in redox signalling pathways that may contribute to normal cell function as well as disease progression. The tumour suppressor PTEN and the inositol 5-phosphatase SHIP2 are critical enzymes in the control of PtdIns(3,4,5)P(3) level. It has been reported that oxidants, including those produced in cells such as macrophages, can activate downstream signalling via the inactivation of PTEN. The present study evaluates the potential impact of SHIP2 on phosphoinositides in cells exposed to sodium peroxide. We used a model of SHIP2 deficient mouse embryonic fibroblasts (MEFs) stimulated by H(2)O(2): at 15 min, PtdIns(3,4,5)P(3) was markedly increased in SHIP2 -/- cells as compared to +/+ cells. In contrast, no significant increase in PtdIns(3,4)P(2) could be detected at 15 or 120 min incubation of the cells with H(2)O(2) (0.6 mM). PKB activity was also upregulated in SHIP2 -/- cells as compared to +/+ cells in response to H(2)O(2). SHIP2 add back experiments in SHIP2 -/- cells confirm its critical role as a lipid phosphatase in the control of PtdIns(3,4,5)P(3) level in response to H(2)O(2). We conclude that SHIP2 lipid phosphatase activity plays an important role in the metabolism PtdIns(3,4,5)P(3) which is demonstrated in oxygen stressed cells [less ▲]

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See detailPectoral sound production in Synodontis (Mochokidae): a morphological study
Fabri, Gégory; Mauguit, Quentin; Vandewalle, Pierre ULg et al

Poster (2007)

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See detailThe impact and rotational light curves of Comet 9P/Tempel 1
Manfroid, Jean ULg; Hutsemekers, Damien ULg; Jehin, Emmanuel ULg et al

in Icarus: International Journal of Solar System Studies (2007), 191

UVES and HIRES high-resolution spectra of Comet 9P/Tempel 1 are used to investigate the impact and rotational light curves of various species with a view toward building a simple model of the distribution ... [more ▼]

UVES and HIRES high-resolution spectra of Comet 9P/Tempel 1 are used to investigate the impact and rotational light curves of various species with a view toward building a simple model of the distribution and activity of the sources. The emission by OH, NH, CN, C[SUB]3[/SUB], CH, C[SUB]2[/SUB], NH[SUB]2[/SUB], and OI, are analyzed, as well as the light scattered by the dust. It is found that a simple model reproduces fairly well the impact light curves of all species combining the production of the observed molecules and the expansion of the material throughout the slit. The impact light curves are consistent with velocities of 400 600 m/s. Their modeling requires a three-step dissociation sequence ``Grand-Parent --> Parent --> Daughter'' to produce the observed molecules. The rotational light curve for each species is explained in terms of a single model with three sources. The dust component can however not easily be explained that way. [less ▲]

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