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. 1979 Nov;64(2):189-93.
doi: 10.1007/BF00490098.

Acridine orange staining of the mammalian fibroblast cell coat

J Timár, G Gyapay, K Lapis

Acridine orange staining of the mammalian fibroblast cell coat

J Timár et al. Histochemistry. 1979 Nov.

Abstract

Acridine orange selectively binds to glycos- and galactosaminoglycan (GAG) compounds in the presence of Na+ in low concentrations. We have worked out a cytochemical method, which is suitable for the specific demonstration of surface GAG components. The method consists of a glutaraldehyde prefixation, an acridine orange block-staining for 48 h and an OsO4 postfixation for some hours. The specificity of the staining was verified with the help of fluorimetric--in vitro--measurements and enzymatic digestions, respectively.

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