NANOSYSTEMS: PHYSICS, CHEMISTRY, MATHEMATICS, 2016, 7 (4), P. 768–773
Antibacterial and catalytic properties of silver nanoparticles loaded zeolite: green method for synthesis of silver nanoparticles using lemon juice as reducing agent
J. Selvamuthumari – Department of Chemistry, Thiagarajar College, Madurai–625009, India
S. Meenakshi – Department of Inorganic Chemistry, University of Madras, Guindy Campus, Chennai–600025, India
M. Ganesan – Department of Chemistry, Thiagarajar College, Madurai–625009, India
S. Nagaraj – CAS Botany, University of Madras, Guindy Campus, Chennai–600025, India
K. Pandian – Department of Inorganic Chemistry, University of Madras, Guindy Campus, Chennai–600025, India; jeevapandian@yahoo.co.uk
Zeolite Y is a cage-like alumina silicate which is widely used as solid support to immobilize metal and metal sulfide nanoclusters. We have attempted to synthesis silver nanoparticle-loaded zeolite Y by an ion exchange method followed by a biogenic reduction method using lemon juice as a reducing agent. The antimicrobial activity of the silver ion, silver nanoparticles and silver chloride-modified zeolite was investigated against various Gram negative and Gram positive microorganisms. The silver nanoparticle-loaded zeolite was further functionalized with amoxicillin antibiotic which exhibited a strong antimicrobial action to kill drug resistant microorganisms. The catalytic behavior of silver nanoparticles was investigated to reduce 4-Nitrophenol in presence of NaBH4. The catalytic reaction is found to be pseudo-first order, resulting in a rate constant that was comparable with previously-reported results.
Keywords: zeolite-Y, silver nanoparticles, amoxicillin, catalytic reduction of 4-aminophenol, antibacterial studies.
PACS 82.65.+r
DOI 10.17586/2220-8054-2016-7-4-768-773
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