By determination of esterase activity in cell fractions gated by FSC(an indicator of the cell volume),it was shown that the resistance to metal ion was improved as the cell vol.

• 将同一种群的栅藻细胞按其体积大小(FSC参数)分为不同组分,在暴露于毒物后分析不同组分细胞的酯酶活性。