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1.
Journal of Shenyang Medical College ; (6): 209-210, 2016.
Article in Chinese | WPRIM | ID: wpr-731770

ABSTRACT

Objective: To synthesize roxatidine acetate and its salt. Methods: Using orthogonal test method, reactant ratio was made. Roxatidine acetate was synthesized. Excel was used to synthesize data and make statistics chart. Result: Salt of roxatidine ac?etate was synthesized in four steps with overall yield of 28?8%. Conclusion: The process is moderate and simple and the production cost is low.

2.
Chinese Journal of Blood Transfusion ; (12)1988.
Article in Chinese | WPRIM | ID: wpr-563349

ABSTRACT

In the paper, a microtiter plate method was used to determine the residual prekallikrein activator(PKA) activity in blood products.The result of study indicated that it would be satisfactory that the reaction mixture of PKA and prekallikrein (PK) was iucul ?? at room temperature for 30 minutes with 0.05M Tris/0.15M NaCl buffer(pH 8.0) , and then the mixture continued to be incubated at room temperature for another 15 minutes after the chromogenic substrate for kallikrein was added. The method had a good reproducibility. The PKA contents determined in IVIG agreed with that of the processing method of IVIG and the hypotensive test of rats, and were basically consistent with the result, determined by the method developed by the Finnish Red Cross Blood Transfusion Service.

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