ISSN: 2319-9865

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Reactive Oxygen Species

 the mechanism of the catalytic process and the generated ROS are poorly understood. Here we discuss the reaction mechanism of CuO-NPs during the catalytic degradation of enrofloxacin – an antibiotic pharmaceutical used in this study as a representative persistent organic compound. The degradation of an aqueous solution of the enrofloxacin exposed to CuO-NPs and hydrogen peroxide was studied showing fast removal of the enrofloxacin at ambient conditionsns. ROS production was identified by electron spin resonance and a spin trapping technique. The distribution of the free radical species indicated production of a high percentage of superoxide (O2−.) radicals as well as hydroxyl radicals; this production is similar to the “radical production” activity of the superoxide dismutase (SOD) enzyme in the presence of hydrogen peroxide.

Relevant Topics in Medical Sciences