Canadian Medical Guide > Analytical, Diagnostic and Therapeutic Techniques and Equipment > Investigative Techniques > Toxicity Tests > Inhibitory Concentration 50 Terms and Definitions




Inhibitory Concentration 50

Medical Definition: The concentration of a compound needed to reduce population growth of organisms, including eukaryotic cells, by 50% in vitro. Though often expressed to denote in vitro antibacterial activity, it is also used as a benchmark for cytotoxicity to eukaryotic cells in culture.
Guide Notes: do not confuse with LETHAL DOSE 50, determined in animals
Previously Indexed: Cell Survival/drug effects (1971-1998)

Inhibitory Concentration 50 Medical Definitions and Terms

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