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In Association with
Efficient biosynthesis of silver nanoparticles using Aeromonas dhakensis and their antibacterial activity against ESBLs producing waterborne pathogens
6th World Congress on Biotechnology
Aftab Hossain Mondal, Insha Sultan and Qazi Mohd Rizwanul Haq
Jamia Millia Islamia, India
Posters-Accepted Abstracts: J Biotechnol Biomater
Abstract
The development of a reliable biological process for the synthesis of metal nanoparticles is an emerging field of nanotechnology research. Metal nanoparticles exhibit wide range of applications in diverse branches of science and technology due to their unique properties as compared to bulk counterpart. In the present study, biosynthesis of silver nanoparticles (AgNPs) was achieved using cell free culture supernatant of bacterial strain Aeromonas dhakensis AS3. The brown color appearance of solution due to the Surface Plasmon Resonance (SPR) and absorption maxima centered at 405 nm indicates formation of AgNPs. Fourier transform infrared spectroscopy (FTIR) analysis revealed the association of protein with AgNPs and X-ray Diffraction (XRD) spectrum showed crystallinity of silver. Spherical particles with an average size of 5 nm were observed in Transmission Electron Microscopy (TEM) and Atomic Force Microscopy (AFM). Silver nanoparticles (AgNPs) synthesized in this study are eco-friendly and showed significant antibacterial activity against ESBLs producing waterborne pathogens.Biography
Email: aftabmicro@gmail.com
