DNA damage induced by radon in bone marrow of mice was detected by m ethods o f single cell gel electrophoresis (SCGE), micronucleus(MN) and laser scanning co nfocal microscope (LSCM) observation.

• 采用单细胞凝胶电泳（SCGE）、微核（MN）实验、激光共聚 焦显微镜（LSCM）检测小鼠骨髓细胞的DNA链断裂、微核细胞率及凋亡率，观察氡暴露致小 鼠骨髓细胞的DNA损伤。