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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 31, Number 10
BKCSDE 31(10)
October 20, 2010

Title	Biogenic Nano-Synthesis; towards the Efficient Production of the Biocompatible Gold Nanoparticles
Author	Gajanan Ghodake, Chi Yong Eom, Si Wouk Kim, EonSeon Jin*
Keywords	Biogenic, AuNPs, Cell viability assay, Nontoxic green product
Abstract	We present a rapid biogenic method for the production of nanoscale gold particles using pear extract. The formation and stability of pear-derived gold nanoparticles (Pear-AuNPs) were monitored by ultraviolet-visible spectroscopy. Their morphology, elemental composition and crystalline phase were determined by transmission electron microscopy, energydispersive X-ray spectroscopy and selected area electron diffraction. The average core size of crystalline Pear-AuNPs was in the range of 10 ± 5 nm and the observed morphology was spherical. The X-ray photoelectron spectrum showed a strong peak for the pure ‘Au’ phase. The circular dichroism spectrum indicated the natural capping ability of the pear extract, which generated peptide-gold nanoparticles. These nanoparticles were stable in aqueous solution for two months. A cell viability assay of Pear-AuNPs showed biocompatibility with human embryonic kidney 293 cells. Accordingly, this eco-friendly process for the bio-mimetic production of Pear-AuNPs is nontoxic in nature; consequently, it will find potential application in nano-biotechnology.
Page	2771 - 2775
Full Text	PDF

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