

①准确在10 s和310 s处完成吸光值测定,以确保实验结果的准确性和重复性;若使用96孔UV板测定需使用多道移液器且分批进行测定,以确保组间反应时间一致;
②空白组为检测各试剂组分质量的检测孔,正常情况下∆A空白应小于0.01;
③若∆A测定大于0.6,建议将粗酶液使用提取液适当稀释后再进行测定;若∆A测定小于0.02,建议增加样本量重新制备粗酶液后再进行测定,计算时相应修改;
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