期刊
NANOSYSTEMS-PHYSICS CHEMISTRY MATHEMATICS
卷 7, 期 4, 页码 768-773出版社
ST PETERSBURG NATL RESEARCH UNIV INFORMATION TECHNOLOGIES, MECH & OPTICS
DOI: 10.17586/2220-8054-2016-7-4-768-773
关键词
zeolite-Y; silver nanoparticles; amoxicillin; catalytic reduction of 4-aminophenol; antibacterial studies
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.
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