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Colloids Surf B Biointerfaces. 2013 Jan 1;101:430-3. doi: 10.1016/j.colsurfb.2012.07.002. Epub 2012 Jul 25.

Synthesis and evaluation of antioxidant and antibacterial behavior of CuO nanoparticles.

Author information

1
Department of Chemical Sciences, Tezpur University, Napaam, Assam, India.

Abstract

CuO nanoparticles were synthesized by thermal decomposition methods and characterized by UV-visible spectroscopy, XRD and TEM analysis. The resultant particles are nearly spherical and particle size is in the range of 15-30 nm. The antioxidant behavior of synthesized CuO nanoparticles was evaluated by scavenging free radicals of 2,2-diphenyl-1-picrylhydrazyl hydrate (DPPH). The free radical scavenging activity of CuO nanoparticles was monitored by UV-visible spectrophotometry. The antibacterial activity of CuO nanoparticles was tested against different bacterial strains. CuO nanoparticles showed efficient antioxidant activity and bactericidal effect against Eschericia coli and Pseudomonas aeruginosa.

PMID:
23010051
DOI:
10.1016/j.colsurfb.2012.07.002
[Indexed for MEDLINE]

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