四甲基偶氮唑蓝比色法检测细胞存活率并计算顺铂的50%抑制浓度(IC50)。

Cell viability was examined by methyl thiazolyl tetrazolium (MTT) assay and 50% inhibitive concentration (IC50) of cisplatin was examined also.

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方法：采用四甲基偶氮唑蓝（ MTT）法观察黄芪多糖和顺铂对胃癌SGC-7901 细胞的抑制作用。

Methods:The inhibitory effects of Astragalus polysaccharides and cisplatin on growth of SGC-7901 cells was tested by the method of MTT.

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