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目的:采用荧光染色法检测重组人促红素残余DNA含量。方法:采用《中国药典》三部附录IXB荧光染色法检测重组人促红素残余DNA含量。对该方法的线性、准确度、精密度进行了验证。结果:0-80ng/ml范围内有良好的线性,相关系数大于0.99;加标回收率为101%。结论:该方法快速灵敏准确、可以检测重组人促红素残余DNA含量。
Objective: To detect the residual DNA content of recombinant human erythropoietin by fluorescence staining. Methods: The residues of recombinant human erythropoietin were detected by fluorescence spectrophotometry in Appendix IXB of “Chinese Pharmacopoeia”. The linearity, accuracy and precision of this method were verified. Results: There was a good linearity in the range of 0-80ng / ml, the correlation coefficient was greater than 0.99; the recovery rate was 101%. Conclusion: The method is rapid, sensitive and accurate and can detect the residual DNA content of recombinant human erythropoietin.