论文部分内容阅读
Background：Pyropheophorbid-a(PyroPheo)is one of the well-known photosensitizers which can be useful for future clinical applications．This work is aimed to compare and measure generation rates of single oxygen through activation of pyropheophorbide-a by four different wavelength,and observe the sensitivity of pyropheophorbide-a mediated photodynamic therapy for eca-109 cell．