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Preferential Staining of Collagen by Acid Dyes in Methanol

Abstract

THE effects of dye solvents on the selectivity of histo-logical staining have not been extensively investigated. Robards and Purvis1 have reported preferential staining of the gelatinous fibres of tension wood by chlorazol black E when dissolved in methyl cellosolve. Earlier the influence of solvents on the staining reactions of this dye was discussed by Cannon2. Puchtler and Sweat3 reported a method for selectively staining haemoglobin in sections with amido black in a methanol solution, but not in water. Investigation of phospholipid staining by Luxol fast blue G revealed a changing selectivity dependent on the solvent used4. This dye in methanol solution was later found to stain only collagen and elastin5.

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References

  1. Robards, A. W., and Purvis, M. J., Stain Tech., 39, 309 (1964).

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  2. Cannon, H. G., J. Roy. Micros. Soc., 61, 88 (1941).

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  3. Puchtler, H., and Sweat, F., J. Histochem. Cytochem., 12, 900 (1964).

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  4. Salthouse, T. N., Nature, 199, 821 (1963).

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  6. Kirschbaum, J. (personal communication).

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SALTHOUSE, T. Preferential Staining of Collagen by Acid Dyes in Methanol. Nature 210, 1277 (1966). https://doi.org/10.1038/2101277a0

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