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木虫 (正式写手)

[求助] 电泳中派若宁Y(Pyronin Y)是什么作用?

一种荧光染料
Pyronin Y  激发及发射波长555,580 。
哌若宁Y(P·Y)既能与DNA结合也能与RNA结合。

在看文献,做电泳实验,在denaturing sample buffer配方中,用到派若宁Y(Pyronin Y),它是起什么作用的.谢谢。
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hammer

木虫 (著名写手)

Also see the reference

Green, F.J. (Ed.) The Sigma-Aldrich Handbook of
Stains, Dyes & Indicators, Aldrich Chemical Co.
(Milwaukee, WI: 1990), pp. 601-602.

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3楼2007-08-06 06:49:12
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hammer

木虫 (著名写手)

Pyronin Y solutions are red in transmitted light
displaying a yellow fluorescence in reflected light.
Pyronin Y is used widely in combination with methyl
green to selectively and differentially stain nucleic acids
following polyacrylamide gel electrophoresis. In this
dichromatic dye solution, the Pyronin Y stains RNA red,
while methyl green stains DNA green. Pyronin Y has
also be used to quantitate RNA content by flow
cytometry, and to stain liver cells fixed in Carnoy's
fluid.
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2楼2007-08-06 06:47:55
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[ Last edited by wnting on 2007-8-6 at 09:03 ]
4楼2007-08-06 09:00:51
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