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syr2139800

铜虫 (初入文坛)

[交流] 【求助】请问percoll怎么灭菌啊?

请问percoll怎么灭菌啊?
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syr2139800

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我就是高压灭菌的,可是灭菌后试剂变的好浑浊啊,不知道能不能用了?哪位高手指点一下啊?十分感谢!
3楼2010-03-31 13:32:37
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momocy

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小木虫(金币+0.5):给个红包,谢谢回帖交流
说明书上是这样说的:Percoll PLUS may be resterilized by autoclaving at 120°C for
30 minutes. Percoll PLUS can also be resterilized after addition of salts without
any gelling!After opening, Percoll can be resterilized by autoclaving at 120°C for 30 minutes.This must be performed without the addition of salts since these cause gelling
of Percoll under the above conditions. Sucrose must not be added prior to
autoclaving since caramelization will occur at 120°C.
也就是说,Percoll PLUS液可以在加液稀释后耐受高压灭菌;而普通的Percoll液则必需原液高压灭菌,稀释后高压可能导致其形成沉淀物或凝集物,高压前加蔗糖可使蔗糖变能焦糖,因此也不可以加!以上说明来自GE公司的Percoll说明书!

网上看到的。
2楼2010-03-31 09:02:28
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