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Bio-activités de Turbinaria ornata et de ses nanoparticules d’argent

Bio-activités de Turbinaria ornata et de ses nanoparticules d’argent

Pachiappan Perumal / Paramasivam Deepak / Rajamani Sowmiya

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Editorial:
KS OmniScriptum Publishing
Año de edición:
2024
Materia
Biologia, ciencias de la vida
ISBN:
9786208263973
44,00 €
IVA incluido
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Dans ce livre, nous avons rapporté les propriétés biologiques de cinq espèces d’algues marines collectées sur la côte de Rameshwaram, au Tamil Nadu. Les différents extraits (méthanol, hexane et acétone) des algues marines Sargassum plagiophyllum, S. fusiforme, S. wightii, S. falciparum et Turbinaria ornata ont été testés pour leur activité antibactérienne contre 4 souches bactériennes multirésistantes. Parmi les différents extraits, l’extrait hexanique de T. ornata a montré une activité maximale contre Staphylococcus aureus, Klebsiella sp et Pseudomonas aeruginosa. L’extrait aqueux de T. ornata a ensuite été utilisé pour la synthèse de nanoparticules d’argent. Les nanoparticules ont été caractérisées par spectroscopie UV-Vis, FTIR, XRD, potentiel Zeta, DLS, FESEM et EDX. L’activité larvicide de l’extrait hexanique de T. ornata et des nanoparticules d’argent de T. ornata a été réalisée sur deux espèces de larves d’Aedes aegypti et de Culex quinquefasciatus et l’analyse a montré qu’il y avait un effet larvicide. Les AgNPs et l’extrait hexanique de T. ornata ont été testés pour leurs propriétés anticancéreuses en utilisant la lignée cellulaire du cancer du poumon (A549).

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