Apoptosis was detected by translocation of phosphatidylserine ( PS ) by flow cytometry .

磷脂酰丝氨酸（PS） 转位等方法检测细胞凋亡。

Apoptosis was detected by morphological observation and translocation of phosphatidylserine ( PS ) was examined by flow cytometry assay ;

用细胞形态学、 流式细胞术检测磷脂酰丝氨酸（PS） 转位及细胞凋亡；