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Feng Yafei; Chen Deyu; Xu Yuanzhi and He Ling(Department of Chemistry. Zhejiang University, Hangzhou 310027)  
A new method that the O was produeed by Na_2O_2 in DMSO/H_2O has been re-ported in this paper. The visible O signal can be directly detected by ESR. Theconditions of the reaction and.characterization of O signal were studied. Scavengingeffect of superoxide anion was investigated with tea polyphenols etc. It is shown thatthis is an advisable method to produce O radical and could be used to look for thenew O scavenger.
【Fund】: 浙江省自然科学基金 浙江省分析测试基金
【CateGory Index】: O631.5
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