Research Articles

2019  |  Vol: 5(2)  |  Issue: 2(March-April)  |
Phytomediated synthesis of silver nanoparticles using Cassia auriculata L: Evaluation of antibacterial and antifungal activity

T. S. Bhuvaneswari,  T. Thirugnanam, V. Thirumurugan*

PG & Research Department of Chemistry, A.V.V.M Sri Pushpam College (Autonomous), Poondi, Thanjavur, Tamilnadu-613 503, India

*Address for Correspondence

Dr. V. Thirumurugan

Assistant professor

PG & Research Department of Chemistry,

A.V.V.M. SriPushpam College (Autonomous), Poondi, Thanjavur (Dt) - 613 503 Tamil Nadu, India.


Objective: Now a day’s cost effective and environmentally friendly technologies for nano material synthesis have gaining attention in biosynthesis of nanoparticles. Cassia auriculata have been used traditionally in Tamilnadu for various ailments. The present study contains by using Cassia auriculata silver nanoparticles are biosynthesized from aqueous silver nitrate solution. Material and Methods: In 1mM silver nitrate solution plant flower extract is added after 12hrs the color change from dull yellow to blackish brown confirms the formation of nanoparticles. It is further confirmed and characterized through UV-VIS, FTIR, SEM, EDAX and XRD instruments. Results and conclusion: A peak at 452 nmconfirms the formation of nanoparticles, FTIR peaks confirm the capping of plant biomoleculs on silver nanoparticles, EDAX result confirmed reduction of silver nitrate to silver ions, SEM exhibits morphology and size of nanoparticles, XRD reveals the formation cubic structure. The nanoparticles proved to be it posses antibacterial and antifungal properties. In this study antibacterial and antifungal potentials are compared with standard chloramphenicol and nystatin.

Keywords: Cassia auriculata, bioreduction, nanoparticles, antimicrobial

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