磷钨酸水溶液phosphotungstic acid Aqueous Solutions

磷钨酸水溶液phosphotungstic acid Aqueous Solutions 
 
又名tungstophosphoric acid。CAS＃12501-23-4，在生物学实验中一般用作固定剂，配合染色作用于样品。
广泛应作负染色中（negative stain电子染色的一种方法，背景是高电子密度区，样品是低电子密度区，在电镜下形成负的反差，主要用于病毒等生物大分子的观察方法。）
 
主要可以参考的文献如下：
1.   As Spray method: Horne, R.W., and Pasquali-Ronchette, I. (1974). A negative staining-carbon film technique for studying viruses in the electron microscope. 
2.   Preparation procedures for examining icosahedral and filamentous viruses. J. Ultrastruct. Res. 47, 361. Locke, M., and Kirhman, N. (1971). 
3.   Hot Alcoholic phosphotungstic acid and uranyl acetate as routine stains for thick and thin sections. J. Cell Biol., 50, 550.,Farragiana, T., and Marinozzi, V. (1979). 
4.   Phosphotungstic acid staining of polysaccharides containing structures on epoxy embedded tissues. J. Submicrosc. Cytol. 11, 263.Bloom, E.E., And Aghajanian, G.K. (1968). 
5.   Fine structural and cytochemical analysis of the staining of synaptic junctions with PTA. J. Ultrastruct. Res. 22, 261 
 
19502-1 Phosphotungstic Acid, 1% Aqueous 500 ml 
19502-3 Phosphotungstic Acid, 3% Aqueous 500 ml 
19502-5 Phosphotungstic Acid, 5% Aqueous 500 ml 
19502-1 Phosphotungstic Acid, 1% Aqueous 500 ml 

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