Medical Definition of Ethidium
1.
A trypanocidal agent and possible antiviral agent that is widely used in experimental cell biology and biochemistry. Ethidium has several experimentally useful properties including binding to nucleic acids, noncompetitive inhibition of nicotinic acetylcholine receptors, and fluorescence among others. It is most commonly used as the bromide.
Pharmacological action: enzyme inhibitors, fluorescent dyes, indicators and reagents, nicotinic antagonists, trypanocidal agents.
Chemical name: Phenanthridinium, 3,8-diamino-5-ethyl-6-phenyl-
(12 Dec 1998)
Lexicographical Neighbors of Ethidium
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