Abstract
Gold nanoparticles (Au NPs) have drawn significant interest because of their antisotropic physical properties in biomedical applications. In this paper, we reported the application of bamboo (Bambusa chung) leaf extracts, previously not exploited, in the synthesis of Au NPs at ambient temperature. The average dimension of quasi-spherical Au NPs was 28.8±4.5 nm by transmission electron microscopy (TEM). The UV-vis spectroscopy gave an optimal reaction time of 180 min in the process of bioreduction. The organic shell of Au NPs was characterized by Fourier transform infrared (FTIR) spectra and thermogravimetric analysis (TGA), suggesting that the main compositions of the organic shell were hydroxyflavones. The X-ray diffraction (XRD) studies indicated the Au NPs were (111) oriented. This eco-friendly method for the synthesis of Au NPs was simple, amenable for large scale commercial production and biological applications to future in vivo imaging and cancer therapy.
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