Methods: the cytotoxic effect of chemotherapeutic agents was determined by MTT assay, calculating its reversing multiple.
方法：采用MTT法检测药物细胞毒性作用，计算其逆转倍数。
2
Water soluble tetrazolium salts assay showed that the MWCNTs-COOH was less cytotoxic when compared to MWCNTs which demonstrated to be slightly more cytotoxic than MWCNTs-OH.
水溶性四氮唑法检测显示碳纳米管的细胞毒性作用呈现浓度依赖性并与作用时间具有一定关系。
3
The cytotoxic effect of CTLs was assessed by MTT assay.