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author = "Geffard A"

Found 49 documents, displaying page 4 of 5

Skull and brain of a 300-million-year-old chimaeroid fish revealed by synchrotron holotomography

Description : Living cartilaginous fishes, or chondrichthyans, include numerous elasmobranch (sharks and rays) species but only few chimaeroid (ratfish) species. The early history of chimaeroids, or holocephalans, and the modalities of their divergence from elasmobranchs are much debated. During Carboniferous tim...
Repository : Europe PubMed Central
Language(s) : English

Circulating Antibodies to IDO/THO Pathway Metabolites in Alzheimer's Disease

Description : In Alzheimer's disease, indoleamine 2,3-dioxygenase and tryptophan hydroxylase are known to induce an overproduction of neurotoxic compounds, such as quinolinic acid and 3-hydroxykynurenine from the former, and 5-hydroxytryptophol and 5-methoxytryptophol from the latter. Other compounds, such as kyn...
Repository : Europe PubMed Central
Language(s) : English

Coupling geochemical and biological approaches to assess the availability of cadmium in freshwater sediment

Description : Sediments are considered as a sink for metals, and the assessment of metal bioavailability for benthic organisms represents a great challenge. Diffusive Gradient in Thin films (DGT), developed to measure labile metals in aquatic media, have more recently been applied to sediment. Nevertheless, few s...
Repository : HAL - Hyper Article on Line
Language(s) : English

Evaluation of the effects of a new drug candidate (GEMSP) in a chronic EAE model

Description :

Chronic Experimental Autoimmune Encephalomyelitis (EAE) was induced in rats to evaluate a new drug candidate (GEMSP) for the treatment of multiple sclerosis. This work is a part of preclinical studies on GEMSP, which is made up of fatty acids, vitamins and amino acids or their derivatives; all th...

Repository : DOAJ-Articles
Language(s) : Undetermined

Amélioration de la qualité chez l'huître creuse Crassostrea gigas par sélection de souches performantes - Contrat de Plan Etat Région Poitou-Charentes 1994-1998 - Rapport année 1995

Description : Le programme de recherche présenté ci-dessous est le fruit d'une réflexion conjointe entre généticiens et physiologistes afin de mettre sur pied un ensemble d'expériences permettant d'étudier les bases génétiques de la variabilité des caractères impliqués dans la croissance chez l'huître creuse, Cra...
Repository : Archimer, Archive Institutionnelle de l'Ifremer
Language(s) : French

Found 49 documents, displaying page 4 of 5