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我们首次测得了人体内源性原叶琳原卟啉（PP）和血清蛋白（BSA）及其混合液的荧光衰减寿命和时间分辨光谱。结果显示，BSA和PP的混合使得BSA的荧光寿命变短，而PP的荧光寿命则变长，从而进一步肯定了BSA→PP的能量传递过程的存在，并为光敏治癌的机理研究提供了有用的依据。
For the first time, we measured the fluorescence decay lifetimes and time-resolved spectra of protoporphyrin (PP), serum albumin (BSA) and their mixtures. The results showed that the BSA-PP blend shortens the fluorescence lifetime of BSA and prolongs the fluorescence lifetime of PP, which further confirms the existence of BSA → PP energy transfer process and provides a useful mechanism for the study of photosensitizing cancer The basis.