<technique> A histochemical technique based on periodic acid oxidation of a substance containing the 1,2-glycol grouping. ... It is used for staining carbohydrates as the resulting dialdehyde reacts with Schiff reagent to form a coloured product. ... The adjacent hydroxyl groups are oxidized to form aldehydes by periodic acid (HIO4) and these...
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A method for staining carbohydrates: adjacent hydroxyl groups are oxidized to form aldehydes by periodic acid (HIO4 ) and these aldehyde groups react with Schiff's reagent (basic fuchsin decolorised by sulphurous acid) to give a purple colour. Used in histochemistry and in staining gels on which glycoproteins have been run.
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