Observations on Substances that react weakly to the Periodic Acid/Schiff Test

Autor:	Arthur J. Hale
Rok vydání:	1953
Předmět:	chemistry.chemical_classification Metaphosphate Metachromasia Periodic acid Cell Biology Periodic acid–Schiff stain Biology Aldehyde Staining chemistry.chemical_compound chemistry Biochemistry Sodium hydroxide Polymer chemistry Schiff test
Zdroj:	Journal of Cell Science. :303-313
ISSN:	1477-9137 0021-9533
DOI:	10.1242/jcs.s3-94.27.303
Popis:	It has been shown that certain mucinous substances which are weakly positive with the periodic acid/Schiff technique stain more strongly after treating them with a solution of sodium hydroxide. The deepening of the staining reaction is produced by making available, for aldehyde production by periodic acid, more .CHOH.CHOH., .CHOH.CHNH2., or .CHOH .CHNHR. groups. This is done without affecting those sulphate or metaphosphate groups responsible for metachromasia.
Databáze:	OpenAIRE
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