Journal
COLLOIDS AND SURFACES B-BIOINTERFACES
Volume 88, Issue 1, Pages 134-140Publisher
ELSEVIER
DOI: 10.1016/j.colsurfb.2011.06.022
Keywords
Rhizophora apiculata; Glucose; Antibacterial; Silver nanoparticles; Zone of inhibition
Funding
- University Grant Commission (UGC)
- Council for Scientific and Industrial Research (CSIR)
- Department of Science and Technology (DST), New Delhi, Government of India
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The focus of the study is to compare the antibacterial efficacy of silver nanoparticles (AgNPs) fabricated by exploiting biological (a mangrove plant, Rhizophora apiculata) and chemical means (Glucose). The synthesized nanoparticles were characterised using UV-visible absorption spectrophotometry (UV-vis), Fourier transform Infra-red Spectroscopy (FTIR) and Transmission electron microscopy (TEM). Biologically synthesized silver nanoparticles (BAgNPs) were observed at 423 nm with particle sizes 01 19-42 nm. The chemically synthesized silver nanoparticles (CAgNPs) showed a maximum peak at 422 nm with particle sizes of 13-19 nm. An obvious superiority of the antibacterial potency of BAgNPs compared to the CAgNPs as denoted by the zone of inhibition (Zol) was noted when the nanoparticles were treated against seven different Microbial Type Culture Collection (MTCC) strains. The current study therefore elucidates that the synthesized AgNPs were efficient against the bacterial strains tested. (C) 2011 Elsevier B.V. All rights reserved.
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