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`Study of antibacterial and catalytic activity of silver colloid synthesized using fruit of Sapindus mukorossi

Abstract

Green synthesis of silver nanoparticle has been demonstrated using aqueous extract of the pericarp of Sapindus mukorossi fruit as a reducing agent as well as stabilizer. Reducing power of the extract has been evaluated by Cyclic Voltammetry (CV) experiment. The as-synthesized colloid is highly stable and particles remain disperse even after one year storage. The existence of metallic silver nanoparticle was confirmed by UV-Vis spectroscopy and selected area electron diffraction pattern (SAED) obtained from high resolution transmission electron microscopic (HRTEM) analysis. TEM study shows particles are almost spherical with average diameter 3.32 ± 0.58 nm. The as-synthesized silver colloid (Ag-colloid) exhibit antibacterial activity against Bacillus subtilis, Staphylococcus aureus, Escherichia coli and Pseudomonas aeruginosa. Catalytic efficiency of the Ag-colloid has also been evaluated and reported in terms of catalytic activity parameter (), turn over frequency (TOF) against the degradation of common environmental pollutants 4-nitro phenol and Eosin blue.

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Publication details

The article was received on 02 Mar 2017, accepted on 08 Aug 2017 and first published on 09 Aug 2017


Article type: Paper
DOI: 10.1039/C7NJ00704C
Citation: New J. Chem., 2017, Accepted Manuscript
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    `Study of antibacterial and catalytic activity of silver colloid synthesized using fruit of Sapindus mukorossi

    G. Dinda, D. Halder, A. Mitra, N. Pal, C. Vazquez-Vazquez and M. A. Lopez-Quintela, New J. Chem., 2017, Accepted Manuscript , DOI: 10.1039/C7NJ00704C

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