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Green Synthesis Of Gold Nanoparticles By Using Plant Leaf Extract And Their Application In Lipase Immobilisation | 4684
ISSN: 2155-952X

Journal of Biotechnology & Biomaterials
Open Access

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Green synthesis of gold nanoparticles by using plant leaf extract and their application in lipase immobilisation

3rd World Congress on Biotechnology

Rasika Kulkarni, Ashok Bankar, Smita Zinjarde, Suresh Gosavi, Balu Chopade, Balu kapadnis and Karishma Pardesi

Posters: Agrotechnol

DOI: 10.4172/2155-952X.S1.020

Abstract
Synthesis of gold nanoparticles by biological means leads to, eco-friendly, non-toxic, quicker synthesis and is commonly called as green method. In this study, plant leaf extract was prepared for gold nanoparticle synthesis. Physicochemical factors were optimized with respect to pH, temperature, time of incubation and gold salt concentrations for synthesis of gold nanoparticles. The optimum gold salt was 0.5 mM, pH 7.0, time 50 minutes and temperature 500C for synthesis of gold nanoparticles. Gold nanoparticles were characterized by using UV/Vis spectroscopy, Scanning Electron Microscopy (SEM), Transmission Electron Microscopy (TEM), Energy Dispersive spectroscopy (EDS) and X-ray diffraction analysis (XRD). TEM studies revealed that spherical nanoparticles were formed with a size in the range of 10-20 nm. Using these Au nanoparticles, lipase enzyme was successfully immobilized on sodium alumino silicate. Immobilized enzyme was stable and showed more activity as compared to free enzyme.
Biography
Rasika Kulkarni is M.Sc. student at Department of Microbiology, University of Pune, Maharshtra, India.
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