Biomimetic preparation of polymer-supported free radical scavenging, cytocompatible and antimicrobial "green" silver nanoparticles using aqueous extract of Citrus sinensis peel.

作者: Rocktotpal Konwarh , Biswajit Gogoi , Ruby Philip , M.A. Laskar , Niranjan Karak

DOI: 10.1016/J.COLSURFB.2011.01.024

关键词: Silver nanoparticleOrange (colour)Citrus × sinensisNanoparticleSurface plasmon resonanceStarchAscorbic acidOrganic chemistryFlavonesChemistry

摘要: Abstract In the pursuit of making nanoscale-research greener, utilization reductive potency a common byproduct food processing industry i.e. orange peel is reported here to prepare biopolymer-templated “green” silver nanoparticles. Aqueous extract at basic pH was exploited starch supported nanoparticles under ambient conditions. The compositional abundance pectins, flavonoids, ascorbic acid, sugars, carotenoids and myriad other flavones may be envisaged for effective potential generate were distributed within narrow size spectrum (3–12 nm) with characteristic Bragg's reflection planes fcc structure, surface plasmon resonance peak 404 nm. Anti-lipid peroxidation assay using goat liver homogenate DPPH scavenging test established anti-oxidant Their synergy rifampicin against Bacillus subtilis MTCC 736 cytocompatibility human leukemic monocytic cell line, THP-1 also investigated. Thus, present work deals preparation assisted anti-microbial, cytocompatible free radical

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