Acta Scientific Agriculture

Research ArticleVolume 2 Issue 8

Antimicrobial Potential of Green Synthesized Gold Nano-Particles Against Human Pathogens

Swati Sharma1, Damanjeet Kaur2, Saurabh Gupta2*, Ajay Singh3 and Kamalpreet Kaur3

1Department of Biotechnology, Mata Gujri College, Fatehgarh Sahib, Punjab, India
2Department of Microbiology, Mata Gujri College, Fatehgarh Sahib, Punjab, India
3Department of Food Technology, Mata Gujri College, Fatehgarh Sahib, Punjab, India

*Corresponding Author: Saurabh Gupta, Assistant Professor, Department of Microbiology, Mata Gujri College, Fatehgarh Sahib, Punjab,India.

Received: July 16, 2018; Published: July 27, 2018

Citation: Saurabh Gupta., et al. “Antimicrobial Potential of Green Synthesized Gold Nano-Particles Against Human Pathogens". Acta Scientific Agriculture 2.8 (2018).

Abstract

  Green synthesis is a novel approach for the biogenesis of nano-particles- tiny structures having enormous applications. In the current study, fungal strains were explored for their ability to biosynthesize both intra- and extracellular gold nano-particles. Out of twelve, four fungal strains namely SSG-2, SSG-5, SSG-8 and SSG-11 were selected on the basis of development of varied colors in cell free supernatant and fungal beads upon exposure with tetra-chloroauric acid. Crystallographic characterization of biomass associated, and cell free nano-particles were carried out by X-Ray Diffraction (XRD) and UV-Visible spectroscopy. A wide variation in crystallite size for intracellular and extracellular nano-particles has been observed. Further these intra- and extracellular nano-particles exhibited intense antimicrobial activities against human pathogens.

Keywords: Green Synthesis; Nano-Particles; XRD (X-Ray Diffraction); Antimicrobial; Tetra-Chloroauric Acid

Copyright: © 2018 Peng Chen., et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



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