Abstract
An ethnopharmacological approach for biosynthesis of gold nanoparticles is being demonstrated using seed coat of Cajanus cajan. Medicinal value of capping molecule investigated for anticancer activity and results disclose its greater potential. The active principle of the seed coat [3-butoxy-2-hydroxypropyl 2-(2,4-dihydroxyphenyl) acetate] is elucidated. Rapid one-step synthesis yields highly stable, monodisperse (spherical) gold nanoparticles in the size ranging from 9 to 41nm. Anticancer activity has been studied using liver cancer cells and cytotoxic mechanism has been evaluated using MTT, Annexin-V/PI Double-Staining Assay, Cell cycle, Comet assay and Flow cytometric analysis for apoptosis. The present investigation will open up a new possibility of functionalizing gold nanoparticles for apoptosis studies in liver cancer cells.
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