Canadian Medical Guide > Chemicals and Drugs > Heterocyclic Compounds > Heterocyclic Compounds, 3-Ring > Phenanthridines Terms and Definitions
Phenanthridines
Medical Definition: |
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Ethidium - 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. |
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Propidium - 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. |
Phenanthridines Medical Definitions and Terms
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