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chenguestc

木虫 (职业作家)

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小丹木木: 金币+2, 鼓励交流 2012-07-20 13:40:02
不一定,如果提出的RNA量不大而降解厉害的话有可能带跑不出来,这个是正常的,今天我还测试了一下,提完RNA后测浓度,用NANODROP,如果点上样,马上点测浓度,浓度是250ng/ul, 如果延迟10秒后再扣上测量杆再测,浓度就是220ng/ul。
11楼2012-07-19 20:07:23
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litingwen

金虫 (正式写手)

引用回帖:
10楼: Originally posted by soffy0214 at 2012-07-19 19:45:46
没有师兄师姐。降解了也会有弥散的带啊。不知道是不是试剂的问题。...

可能是样品研磨的不充分,Trizol没法提,我也有过,1:50稀释,浓度只有1ug/ml。第一步研磨很重要。
12楼2012-07-19 23:41:43
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