Medical Definition of Periodic acid Schiff reaction

1. 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 aldehyde groups react with Schiff's reagent (basic fuchsin decolourised by sulphurous acid) to give a purple colour. Acronym: PAS This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Lexicographical Neighbors of Periodic Acid Schiff Reaction

period doubling
period of play
period of time
period piece
period pieces
periodate
periodates
perioded
periodentosis
periodic
periodic-table
periodic acid
periodic acid Schiff reaction (current term)
periodic apnea of the newborn
periodic arthralgia
periodic biopolymer
periodic breathing
periodic catatonia
periodic comet
periodic disease
periodic event
periodic fever
periodic filariasis
periodic function
periodic functions
periodic law

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