METHODS The reaction product and free radical intermediate in the reaction medium with or without antioxidants and other moderators was detected by spectrophotometry and electronspinresonance(ESR).
The scavenging effect of selenium on peroxy radical was directly investigated with two kinds of selenium compound by means of electronspinresonance (ESR) technique.
运用电子自旋共振(ESR)技术直接观察了两种硒的化合物对过氧自由基的清除作用。
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Methods: Electronspinresonance (ESR) and the new techniques of spin labeling and oxygen spin probe were used in the study.