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like7317

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[求助] 检测药物在细菌亚结构中的分布方法 已有1人参与

想检测一个药物在细菌亚结构中的分布,只要是在细胞壁和细胞质间的分布。看到一个实验方法,但是不知道其中的“saccarose”是什么东西,也没找到哪有卖的,原文如下:


The subcellular distribution of porphyrins was evaluated
after fractionation of the cells. A pellet of l0(8) cells was resuspended
in 1 ml of a solution containing Tris-HC 0.05 M, pH
7.2, 0.5 M saccarose, 0.01 M Mg-acetate and 1 mg lysozyme
(for G+ bacteria) and Tris-HCl 0.05 M, pH 6.8, 0.3 M
saccarose, 0.01 M EDTA and 1 mg lysozyme (for G- bacteria).
After 30min (G+) or 90 min (G-) incubation at
37 °C with gentle magnetic stirring the cell suspensions were
centrifuged at 3000×g for 10 min. The pellets containing
either the spheroplasts or the protoplasts were resuspended
in 3 ml of 2% aqueous SDS, while the sumatants (about 1
ml) containing the cell wall were diluted with 2 ml of 3%
aqueous SDS.

希望能帮着解答一下,或者有别的方法可以提供!
谢谢了!
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like7317: 金币+20 2014-09-23 15:03:40
应该是翻译为蔗糖

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