Green synthesis of silver nanoparticles from the extract of the inflorescence of Cocos nucifera (Family: Arecaceae) for enhanced antibacterial activity

R Mariselvam, A.J.A Rangitsingh, A. Usha Raja Nanthini, Kaliappa Kalirajan, C Padmalatha, P. Mosae Selvakumar

    Research output: Contribution to journalArticle

    Abstract

    Green synthesis of nanoparticles using plant source has been given much importance. In the present study, silver nanoparticles (AgNPs) were synthesized using the ethyl acetate and methanol (EA: M 40:60) extracts of the inflorescence of the tree Cocous nucifera. The synthesized nanoparticles were characterized by UV-visible spectroscope, FTIR and TEM analysis. The particle size of the synthesized AgNPs was 22 nm as confirmed by TEM. The qualitative assessment of reducing potential of the extracts of inflorescence indicated the presence of reducing agents. Synthesized AgNPs exhibited significant antimicrobial activity against human bacterial pathogens viz., Klebsiella pneumoniae, Bacillus subtilis, Pseudomonas aeruginosa and Salmonella paratyphi.
    Original languageEnglish
    Pages (from-to)537-541
    JournalSpectrochimica Acta: part A
    Volume129
    DOIs
    Publication statusPublished - 2014

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