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Published on: March 20, 2015
Assessment of norfloxacin degradation induced by plasma-produced ozone using surface-enhanced Raman spectroscopy
Qing Huang1, Cao Fang2, Muhammad Muhammad1
1Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Institute of Technical Biology and Agriculture Engineering, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, China; University of Science & Technology of China, Hefei, 230026, China.
Abstract:
In this work, we employed surface-enhanced Raman spectroscopy (SERS) combined with density functional theory (DFT) calculation to investigate the pathways/mechanisms of the norfloxacin degradation by oxygen plasma produced ozone. The main degradation products were analyzed by the spectroscopic method, which revealed the breakage of the C-F bond and fracture of piperazinyl and quinolone moieties. In particular, we showed that the main degradation pathway was defluorination of norfloxacin, and this process could be quantitatively assessed by our proposed SERS approach.
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