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Comparison and analysis of two potency assay methods of protamine sulfate / 中国生化药物杂志
Chinese Journal of Biochemical Pharmaceutics ; (6): 145-148, 2016.
Article in Chinese | WPRIM | ID: wpr-503619
ABSTRACT
Objective To analyze and compare two potency assay methods of protamine sulfate.Methods Heparin titration method was according to foreign pharmacopoeia,while biological assay method was according to China pharmacopoeia(2015).Results The absorbance at the end-point was stable at 0.10 mg/mL and 0.15 mg/mL test solutions.The relative standard deviations(RSDs)of potency results were all less than 5%.Three test solutions and volumes of the titrant had a good linear relationship(R2 =1.000).The results of titration method were significantly related to those of biological assay(P=0.013),with similar RSD(P>0.05).However,the potency of titration method were significantly lower than those of biological assay (P=0.045).Conclusion Heparin titration method is good-using,convenient,and need to be applied widely at home.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Biochemical Pharmaceutics Year: 2016 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Biochemical Pharmaceutics Year: 2016 Type: Article