Inhibitory Concentration 50
| 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. |
| Notes: |
do not confuse with LETHAL DOSE 50, determined in animals |
| Previously Indexed: |
Cell Survival/drug effects (1971-1998) |
Inhibitory Concentration 50 Definitions and Terms
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