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In Association with
Green synthesis of silver nanoparticles using weed plants and study the antimicrobial properties of the synthesized nanoparticles
6th World Congress on Biotechnology
Abha Verma1,2
1Institute of Foreign Trade and Management, India 2Meerut Institute of Engineering and Technology, India
Posters-Accepted Abstracts: J Biotechnol Biomater
Abstract
Small sizes, large surface to volume ratios and crystallographic surface structure of nanoparticles are responsible for their unique optical, electronic, mechanical, magnetic and chemical properties. Since noble metal nanoparticles are widely applied to areas of human contact, there is a growing need to develop environmentally friendly processes for nanoparticles synthesis. Biological methods of synthesis have paved way for the â??greener synthesisâ? of nanoparticles and these have proven to be a better method due to slower kinetics, they offer better manipulation and control over crystal growth and their stabilization. Biologically synthesized silver nanoparticles are being widely used in the field of medicine. This study focuseson extracellular biosynthesis of silver nanoparticles using leaf extracts of a common weed. The synthesis of silver nanoparticles was detected by changing colour of plant leaf extracts from green to brown after treatment with AgNO3 and UV-Vis Spectrophotometric analysis. These phyto-synthesized silver nanoparticles were tested for their antibacterial activity using agar well diffusion method against gram positive and gram negative bacteria. The results suggests use of phyto-extracts as an easy alternative for silver nanoparticles synthesis overthe conventional methods.Biography
Email: abha_1501@rediffmail.com
