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shaishaisong

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[求助] 怎么提取细胞裂解液中的脂质 已有1人参与

请教一下大神们一般细胞裂解液中提取脂质的方法
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广之

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【答案】应助回帖

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Lipid extraction using MTBE
Protocol :
aqueous samples are used for lipid extraction including cell homogenates, homogenized tissue, plasma
## to 0.2 volume parts aqueous sample 1.5 parts of methanol are added and mixed
## 5 ml of MTBE was added
## the mixture was incubated for 1h at room temperature in a shaker
## add 1.25 volume part water for phases separation
## after mixing the sample is centrifuged at 1.000g for 10 min
## the upper MTBE phase containing the lipids is collected
## the lower is re-extracted with 2 volume parts of MTBE/methanol/water (10/3/2.5, v/v/v)
## the upper MTBE phase collected
## the combined MTBE phases were dried
Reference:
Lipid extraction by methyl-tert-butyl ether for high-throughput lipidomics
http://www.jlr.org/content/49/5/1137
推荐读读LIPID MAPS Lipidomics Gateway上面的Protocols,很实用!
http://www.lipidmaps.org/protocols/index.html
2楼2015-06-25 13:24:45
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