SNR dependence of mean kurtosis and how to correct it

in Proceedings of the International Society for Magnetic Resonance in Medicine ... Scientific Meeting and Exhibition. International Society For Magnetic Resonance in Medicine. Scientific Meeting and Exhibition (2013), 21

Bibliothèques média(tisa)trices : le roman chez Charles Sorel et Lenglet Dufresnoy

in Boulerie, Françoise (Ed.) La Médiatisation du littéraire dans l'Europe des XVII et XVIIIe siècles (2013)

PUL inv. G 221 : un fragment de document officiel ?

in Capasso, Mario (Ed.) I papiri dell'Università del Salento (PUL). I. I papiri ieratici e greci (2013)

Psychrophilic enzymes: from folding to function and biotechnology

in Scientifica (2013), 2013(Article ID 512840), 1-28

Learning a Dictionary of Prototypical Grasp-predicting Parts from Grasping Experience

in IEEE International Conference on Robotics and Automation (2013)

Estimating crop-specific evapotranspiration using remote-sensing imagery at various spatial resolutions for improving crop growth modelling

in International Journal of Remote Sensing (2013)

By governing water transfer between vegetation and atmosphere, evapotranspiration (ET) can have a strong influence on crop yields. An estimation of ET from remote sensing is proposed by the EUMETSAT ... [more ▼]

By governing water transfer between vegetation and atmosphere, evapotranspiration (ET) can have a strong influence on crop yields. An estimation of ET from remote sensing is proposed by the EUMETSAT ‘Satellite Application Facility’ (SAF) on Land Surface Analysis (LSA). This ET product is obtained operationally every 30 min using a simplified SVAT scheme that uses, as input, a combination of remotely sensed data and atmospheric model outputs. The standard operational mode uses other LSA-SAF products coming from SEVIRI imagery (the albedo, the downwelling surface shortwave flux, and the downwelling surface longwave flux), meteorological data, and the ECOCLIMAP database to identify and characterize the land cover. With the overall objective of adapting this ET product to crop growth monitoring necessities, this study focused first on improving the ET product by integrating crop-specific information from high and medium spatial resolution remote-sensing data. A Landsat (30 m)-based crop type classification is used to identify areas where the target crop, winter wheat, is located and where crop-specific Moderate Resolution Imaging Spectroradiometer (MODIS) (250 m) time series of green area index (GAI) can be extracted. The SVAT model was run for 1 year (2007) over a study area covering Belgium and part of France using this supplementary information. Results were compared to those obtained using the standard operational mode. ET results were also compared with ground truth data measured in an eddy covariance station. Furthermore, transpiration and potential transpiration maps were retrieved and compared with those produced using the Crop Growth Monitoring System (CGMS), which is run operationally by the European Commission’s Joint Research Centre to produce in-season forecast of major European crops. The potential of using ET obtained from remote sensing to improve crop growth modelling in such a framework is studied and discussed. Finally, the use of the ET product is also explored by integrating it in a simpler modelling approach based on light-use efficiency. The Carnegie–Ames–Stanford Approach (CASA) agroecosystem model was therefore applied to obtain net primary production, dry matter productivity, and crop yield using only LSA-SAF products. The values of yield were compared with those obtained using CGMS, and the dry matter productivity values with those produced at the Flemish Institute for Technological Research (VITO). Results showed the potential of using this simplified remote-sensing method for crop monitoring. [less ▲]

compte rendu de Étienne NODET Flavius Josèphe. Les Antiquités juives. Volume V : Livres X et XI. Établissement du texte, traduction et notes par Ét.N. Paris, Éditions du Cerf, 2010-10-21 19,5 x 12,5 cm, LXXXIV-167 p. en partie doubles, fig., 33 euros ISBN 978-2-204-09252-4

in Latomus : Revue d'Etudes Latines (2013), 72(1), 285-286

A root chicory MADS-box sequence and the Arabidopsis flowering repressor FLC share common features that suggest conserved function in vernalization and devernalization responses

in The Plant Journal (2013)

Root chicory (Cichorium intybus var. sativum) is a biennial crop, but is harvested for root inulin at the end of the first growing season before flowering. However, cold temperatures might vernalize seeds ... [more ▼]

Root chicory (Cichorium intybus var. sativum) is a biennial crop, but is harvested for root inulin at the end of the first growing season before flowering. However, cold temperatures might vernalize seeds or plantlets, leading to incidental early flowering and hence understanding the molecular basis of vernalization is important. A MADS-box sequence was isolated by RT-PCR and named FLC-LIKE1 (CiFL1) because of its phylogenetic positioning within the same clade as the floral repressor Arabidopsis FLOWERING LOCUS C (AtFLC). Moreover, overexpression of CiFL1 in Arabidopsis caused late flowering and prevented up-regulation of the AtFLC target FLOWERING LOCUS T gene by photoperiod, suggesting functional conservation between root chicory and Arabidopsis. Like AtFLC in Arabidopsis, CiFL1 was repressed during vernalization of seeds or plantlets of chicory, but repression of CiFL1 was unstable whether the post-vernalization temperature was favorable to flowering or whether it devernalized the plants. Instability of CiFL1 repression might be linked to bienniality of root chicory versus the annual life cycle of Arabidopsis. However, reactivation of AtFLC was also observed in Arabidopsis when a high temperature treatment was given straight after seed vernalization, erasing the promotive effect of cold on flowering. Cold-induced downregulation of a MADS-box floral repressor and its reactivation by high temperature thus appear as conserved features of the vernalization and devernalization responses in distant species.This article is protected by copyright. All rights reserved. [less ▲]

Isoform 111 of vascular endothelial growth factor (VEGF111) improves angiogenesis of ovarian tissue xenotransplantation

in Transplantation (2013), 95(3), 426-433

Background: Cryopreservation of cortex ovarian tissue before anti-cancer therapy is a promising technique for fertility preservation mainly in children and young women. Ischemia in the early stage after ... [more ▼]

Background: Cryopreservation of cortex ovarian tissue before anti-cancer therapy is a promising technique for fertility preservation mainly in children and young women. Ischemia in the early stage after ovarian graft causes massive follicle loss by apoptosis. VEGF111 is a recently described VEGF isoform that does not bind to the extracellular matrix, diffuse extensively and is resistant to proteolysis. These properties confer a significantly higher angiogenic potential to VEGF111 in comparison to the other VEGF isoforms. Methods: We evaluated the morphology of cryopreserved sheep ovarian cortex, grafted in the presence or absence of VEGF111. Ovarian cortex biopsies were embedded in type I collagen with or without VEGF111 addition before transplantation to SCID mice ovaries. Transplants were retrieved 3 days or 3 weeks later. Follicular density, vasculature network, haemoglobin content and cell proliferation were analysed. Results: Addition of VEGF111 increased density of functional capillaries (p=0.01) 3 days after grafting. By double immunostaining of Ki-67 and von Willebrand Factor (vWF) we demonstrated that proliferating endothelial cells were found in 83% of the VEGF111 group when compared to 33% in the control group (p=0.001). This angio-stimulation was associated with a significant enhancement of haemoglobin content (p=0.03). Three weeks after transplantation, the number of primary follicles was significantly higher in VEGF111 grafts (p=0.02). Conclusion: VEGF111 accelerates blood vessels recruitment, functional angiogenesis and improves the viability of ovarian cortex by limiting ischemia and ovarian cortex damage. [less ▲]

Libre prestation de services et droit d’établissement : les stratégies des entreprises

in Dubout, Edouard; Maitrot de la Motte, Alexandre (Eds.) L’unité des libertés de circulation: In varietate concordia? (2013)

Cet article examine les possibilités d'usage stratégique des libertés de circulation (liberté d'établissement et libre prestation de services) par les entreprises. Les entreprises peuvent faire usage des ... [more ▼]

Cet article examine les possibilités d'usage stratégique des libertés de circulation (liberté d'établissement et libre prestation de services) par les entreprises. Les entreprises peuvent faire usage des libertés garanties par le droit de l'Union en vue de contourner une législation nationale et soumettre leur activité à la réglementation plus favorable d'un autre Etat membre. Ces stratégies sont en principe licites et sont même encouragées par le droit de l'Union, en ce que des dispositifs comme les guichets uniques réduisent les coûts de transaction. Dans ce contexte, c'est aux Etats que revient la tâche de poser des limites aux stratégies d'entreprises, sous le contrôle du droit européen. Les espaces stratégiques des entreprises apparaissent finalement modelés par trois forces: ouverture de ces espaces par le droit européen, régulation des stratégies par les droits nationaux et coordination des actions des Etats par la coopération administrative et la surveillance mutuelle. [less ▲]