International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Call for Papers | Fully Refereed | Open Access | Double Blind Peer Reviewed

ISSN: 2319-7064

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Research Paper | Material Science and Engineering | India | Volume 5 Issue 8, August 2016

Natural Synthesis of Silver Nanoparticles by Banana Peel Extract and as an Antibacterial Agent

Alvakonda Narayanamma [4] | Dr. M. E. Rani [2] | K. Mohana Raju [3]

Abstract: Natural of silver nanoparticles has now become a novel method to physical and chemical approaches. In the present study, silver nanoparticles (AgNPs) were synthesized from banana peel extract (BPE). Our present research is to investigate on the synthesis eco-friendly silver nanoparticles using banana peel extract. In this natural synthesis we used banana peel extract which act as natural reducing agent to synthesize biodegradable silver nanoparticles. Natural silver nanocomposite hydrogels were prepared by a green process using Acrylamide (AM) with banana peel extract. The silver nanoparticles were prepared by reducing with banana peel extract. Banana peel extract was found to reduce the silver ions (Ag+ to Ag0) and capping agent. The characteristic color of hydrogel is changed to reddish brown in the reaction due to reduction. The UV-Vis spectrum of silver nanoparticles of our results revealed a characteristic surface plasmon- resonance (SPR) peak at 460 nm. X-ray diffraction (XRD) revealed their crystalline nature. Scanning electron microscope showed Monodispersed spherical shaped nanoparticles. The average size of nanoparticles was 10nm as confirmed by Transmission electron microscope. Fourier transform infrared spectroscopy (FT-IR) affirmed the role of BPE as a reducing and capping agent of silver ions. The antibacterial activity of these nanoparticles was also studied against Gram-positive and Gram-negative bacteria. The characteristic color of hydrogel is changed to reddish brown in the reaction due to reduction.

Keywords: Silver nanoparticles, Banana peel extract, Antibacterial, Free radical, Polymerisation

Edition: Volume 5 Issue 8, August 2016,

Pages: 1434 - 1441

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