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D50 (radiotherapy)

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This is an old revision of this page, as edited by Cydebot (talk | contribs) at 18:57, 12 September 2012 (Robot - Speedily moving category Radiation oncology to Category:Radiation therapy per CFDS.). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

D50, the half maximal inhibitory dose, represents the dose of light or ionising radiation that is required for 50% inactivation of a tumor cell population. It can also, in parallel fashion, represent the dose of a drug or toxin necessary to kill 50% of a cellular population.

D50 also is a solution of 50% dextrose in water, also written D50W or for 50% dextrose in normal saline, D50NS.

See also

  • LD50, a dose measurement at which half the organisms die