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Green Process for Impregnation of Silver Nanoparticles into Microcrystalline Cellulose and Their Antimicrobial Bionanocomposite Films

Author(s): Singaravelu Vivekanandhan | Laura Christensen | Manjusri Misra | Amar Kumar Mohanty

Journal: Journal of Biomaterials and Nanobiotechnology
ISSN 2158-7027

Volume: 03;
Issue: 03;
Start page: 371;
Date: 2012;
Original page

Keywords: Silver Nanoparticles | Impregnation | Bioreduction | Murraya Koenigii | Leaf Extract

A novel greener method to impregnate silver nanoparticles (AgNPs) into microcrystalline cellulose (MCC) by curry leaf (Murraya koenigii) extract mediated biological process is presented. The active reduction of silver ions by curry leaf extract was explored for the in situ impregnation AgNPs into MCC. Transmission electron microscopy (TEM) analyses of MCC coated with AgNPs showed the formation of silver particle sizes in the range of 10-25 nm and have a spherical shape. Further the, EDS analysis of MCC/Ag nanocomposite confirms the formation of Ag structure on microcrystalline cellulose. Solvent casting of poly(lactic-acid) was used to produce composite films containing silver impregnated MCC aiming for antimicrobial applications.
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