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gaojian_5643

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[求助] 代谢组中遇到的多肽问题 已有1人参与

在做代谢组学物质鉴定时发现里不少疑似是多肽的东西,担心是蛋白降解的产物,考虑想把血浆中的大于3000Da的蛋白滤掉,请教各位虫友有什么较好的方法可以使用?
目前考虑到的问题有:每次取血浆样品大概100-200μL,量较少,血浆样品较稠,如果单独用milipore的3k超滤膜容易堵到膜。
比较着急,有相关经验的童鞋帮帮忙,万分感激!
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suredt

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2楼2015-01-04 13:01:26
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shale1983

铁杆木虫 (正式写手)

【答案】应助回帖

感谢参与,应助指数 +1
可以试试透析,截留分子量为3500。
3楼2015-01-05 13:16:32
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