| propidium | <chemical> 3,8-diamino-5-(3-(diethymethyammonio) propyl)-6-phenylphenanthridium. Quaternary ammonium analog of ethidium; an intercalating dye with a specific affinity to certain forms of DNA and, used as diiodide, to separate them in density gradients; also forms fluorescent complexes with cholinesterase which it inhibits. Pharmacological action: dyes, indicators and reagents, intercalating agents. Chemical name: Phenanthridinium, 3,8-diamino-5-(3-(diethylmethylammonio)propyl)-6-phenyl- (12 Dec 1998) |
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