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foreest

木虫 (正式写手)


[交流] 【求助/交流】怎样用谷胱甘肽单乙酯(GSH-OEt)对细胞进行预处理,增加细胞内谷胱甘肽

请问各位前辈,怎样用谷胱甘肽单乙酯(GSH-OEt)对细胞进行预处理,增加细胞内谷胱甘肽的浓度?谢谢!
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xxfan

金虫 (著名写手)


引用回帖:
6楼: Originally posted by pjgwade at 2012-04-06 19:19:44
楼主的单乙酯价格 请告诉我 急求 谢谢!!!

GSH-OEt购买的话,SIGMA是600多元25mg,1860元500mg,稍贵。
以下为其简便合成方法。
原来看到有人在求助,GSH-OEt哪里买?或者说怎么合成。
合成过程如下,和大家分享。
A freshly prepared solution of hydrogen
chloride (16 g, 0.45 mol) in 250 ml of
anhydrous ethanol was cooled to 20°C in
an ice bath, and 20 g (65 mmol) of glutathione
was added and dissolved by gentle
shaking. The mixture was allowed to stand
at 20°C for 2.5 h, during which time the
progress of the reaction was followed by
thin-layer chromatography (see Materials
and Methods). The solution was then
cooled to 0°C and 1.8 liter of ice-cold, dry
diethyl ether was added. The precipitate
which formed was allowed to settle for l-
3 h at 0°C. The ether was decanted and
the precipitate was washed twice with 500
ml of ice-cold ether. The product, after
drying in vacua over CaClz and KOH, was
obtained in 98% yield. The content of
glutathione monoethyl ester found on
amino acid analysis (see Materials and
Methods) varied from 90 to 98%; the other
components were glutathione and glutathione
diethyl ester. The preparations
obtained typically contained O-5% glutathione.

文献

Glutathione monoethyl ester: Preparation, uptake by tissues, and conversion to glutathione
Archives of biochemistry and biophysics
1985 Jun
239(2):538-48.
9楼2013-11-18 18:02:18
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fxiyue

铁杆木虫 (著名写手)



foreest(金币+2):谢谢参与
虽然不知道,但是希望你能早点得到结果,支持一下
2楼2011-03-21 20:54:19
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genomelin

银虫 (小有名气)



foreest(金币+2):谢谢参与
GSH.....大学的时候还想筛选高产菌呢。。。现在都直接诱导了,真高级。。。。。
3楼2011-03-22 02:02:22
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pjgwade

木虫 (著名写手)



foreest(金币+2): 谢谢参与
10mM对细胞处理两小时即可
我想问的是楼主的谷胱甘肽单乙酯是买来的还是从谷胱甘肽处理而来
4楼2012-03-24 16:32:54
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