Category:Method/Sample/PL/Acidic: Difference between revisions
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{{Taguchi/Header}} | |||
=Acidic phospholipids (PA, LPA, PS, LPS, PI)= | =Acidic phospholipids (PA, LPA, PS, LPS, PI)= | ||
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# After removing organic solvent from each eluate under nitrogen gas, 0.05 mL of water and 0.1 mL of 2-propanol were added to about 0.05 mL of residue. | # After removing organic solvent from each eluate under nitrogen gas, 0.05 mL of water and 0.1 mL of 2-propanol were added to about 0.05 mL of residue. | ||
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# | # 細胞の1-ブタノール懸濁液 2mLを調製し、内標準 LPA(17:0), PA(14:0/14:0)など各50 pmolを添加する | ||
# PBS 2mL を添加し、氷上で激しく撹拌する(3分) | |||
# 遠心分離(2000g 5分)し、上層を分取する | |||
# ブタノール抽出液にメタノール1mLとクロロホルム1mLを混合したものを、DEAEセルロースカラムにかける | |||
# カラムに結合した中性脂質をクロロホルム/メタノール(1:1) 3 x 1mLで洗浄する | |||
# クロロホルム/メタノール/28%アンモニア水/氷酢酸 (200:100:10:6.7) 3 x 1mLで酸性脂質(PA, PS, PI とそれぞれのリゾ体)を溶出する | |||
# 溶出液を窒素気流で留去後、残存した水溶液約0.05mLに水0.05mLと2-プロパノール0.1mLを混和し試料とする | |||
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Latest revision as of 08:17, 5 November 2010
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Acidic phospholipids (PA, LPA, PS, LPS, PI)
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Pages in category "Method/Sample/PL/Acidic"
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