Department of Chemical Sciences, Tezpur University, Napaam, Assam, India.
Colloids Surf B Biointerfaces. 2013 Jan 1;101:430-3. doi: 10.1016/j.colsurfb.2012.07.002. Epub 2012 Jul 25.
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.
氧化铜纳米粒子通过热分解方法合成，并通过紫外可见光谱、XRD 和 TEM 分析进行了表征。所得粒子近球形，粒径在 15-30nm 范围内。通过清除 2,2-二苯基-1-苦肼基自由基（DPPH）来评估合成的氧化铜纳米粒子的抗氧化行为。通过紫外可见分光光度法监测氧化铜纳米粒子的自由基清除活性。氧化铜纳米粒子的抗菌活性针对不同的细菌菌株进行了测试。氧化铜纳米粒子对大肠杆菌和铜绿假单胞菌表现出有效的抗氧化活性和杀菌作用。
