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A capillary electrophoresis (CE) using short-end injection procedure has been developed for the determination of an enzymatic reaction kinetics. Indeed, the phosphodiesterase 3',5'-cyclic nucleotide enzyme (PDE) hydrolyses cyclic adenosine 3',5'-monophosphate (cAMP) to adenosine 5'-monophosphate (AMP). Simultaneous separation of cAMP and AMP was performed with a short effective length of capillary...
Les substances vegetales d'origine marine constituent une reserve importante de principes actifs pour l'industrie cosmetique. Les algues appartiennent a cette categorie. Elles contiennent entre autres des carotenoides, composes caracterises par de nombreuses liaisons conjuguees qui expliquent leur couleur intenseLe but de ce travail est de caracteriser une fraction active dans le domaine cosmetique...
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