采用超声波破碎法对啤酒废酵母残余的内源蛋白酶进行提取，并以酪蛋白为底物测定内源蛋白酶的活力。
The extraction of the residue endogenic protease of waste brewer yeast was studied with the ultrasonic cell-break method.
本文报道了以生色底物l -焦谷氨酰甘氨酰- L -精氨酸-对硝基苯胺盐酸盐为底物测定尿激酶效价的方法。
A method is reported for the determination of Urokinase potency using the chromogenic substrate L-pyroglutamyl-glycyl-L-arginine-p-nitroaniline hydrochloride.
方法以对氧磷为底物测定30例正常人、52单纯性脂肪肝患者、41例脂肪性肝炎患者、31例脂肪性肝硬化患者血清pon1活性。
Method Serum PON1 activity was measured by using paraoxon as substrate in 30 case of norm, 52 of simple fatty liver, 41 of steatohepatitis and 31 of fatty liver cirrhosis.
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