Journal
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
Volume 367, Issue 1-3, Pages 31-40Publisher
ELSEVIER
DOI: 10.1016/j.colsurfa.2010.06.013
Keywords
Cotton fibre; Silver nanoparticles; Reduction; Stability; Green process; Antibacterial activity; Wound dressing
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Funding
- Defence Research & Development Organization (DRDO)
- Ministry of Defence, Govt. of India, New Delhi
- UGC-SAP, New Delhi
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In the present investigation the antimicrobial efficiency of cotton fibres loaded with silver nanoparticles (AgNPs) was studied which are developed by green process using natural extracts, of Eucalyptus citriodora and Ficus bengalensis. The formation of AgNPs on the cotton fibres was observed by UV-vis spectrophotometer. The size of silver nanoparticles was found to have similar to 20 nm. The structure and morphology of silver nanoparticles formed on the cotton fibres were confirmed by electron microscopy. The antibacterial activity of cotton fibres loaded with silver nanoparticles was evaluated against gram-negative Escherichia coli (E. coli) bacteria. The results suggest excellent antibacterial activity by the incorporation of 2% leaf extracts on cotton fibres. These fibres have also exhibited superior antibacterial activity even after several washings indicating their usage in medical and infection prevention applications. (C) 2010 Elsevier B.V. All rights reserved.
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