The antitumor effects of hematoporphyrin derivative (HpD)activated by ultrasound (US)was studied on Sarcoma180(S180)and Ehrlich ascites tumor(EAT)cells through scanning electronic microscope.

• 利用频率为2MHz；强度为0.；9W/cm2的超声(Ultrasound；US)激活血卟啉(Hematoporphyrinderivatives；HpD)对在体的腹水型艾氏腹水瘤细胞(EhrlichAscitesTumor；EAT)和S180(Sarcoma180；S180)细胞进行抑癌作用研究。