In this paper,ESR,spin trapping and spin counteraction are used to study the photosensitization of hypocrellin A(HA) and cercosporin(CP) in homogeneous and heterogeneous systems separately.

• 本文在均相有机体系和非均相胶束体系中用ESR、自旋捕捉、消自旋等技术研究了竹红菌甲素（HA）和尾孢素（CP）的光敏特征；