Cryogenic EPR technique was used to detect the generation of reactive oxygen species (ROS) in heart, liver, kidney and brain of an aged mice induced by D-galactose (D-gal).

• 并以D-半乳糖衰老小鼠为实验模型,采用低温EPR技术直接检测小鼠心、肝、肾、脑组织活性氧物种(reactiveoxygenspecies,ROS)水平;