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jiji0540806

铜虫 (初入文坛)

[求助] 请教:测定大鼠脑组织中单胺氧化酶A时底物5-HT是使用什么溶液配制的?

请教虫友们:测定大鼠脑组织中单胺氧化酶A时底物5-HT是使用什么溶液配制的,加入什么稳定剂?稳定剂对酶活有影响吗?我把底物改成多巴胺可以吗?另外,在-20℃放置半年的鼠脑,是不是单胺氧化酶基本没有活性啦?谢谢!
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ananan

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★
qinhy(金币+1): 鼓励新虫回帖~~但是若翻译成中文的话,更方便阅读哦~~ 2011-05-30 20:07:05
Homogenates were stored at -20C and were used within 48 h. Activity of MAO-A declined rapidly following homogenization, with a half-life of approximately 24 h even in frozen homogenates
——Andrew Holt , Dennis F , Sharman , et al1 A Continuous Spect rophotomet ric Assay for Monoamine Oxidase and Related Enzymes in Tissue Homogenates[J ]1 Analytical Biochemist ry , 1997 , 244 : 384~392.
我不去想是否能够成功既然选择了远方便只顾风雨兼程
2楼2011-05-29 18:23:49
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