IC50
\ˈa͡ɪk fˈɪfti], \ˈaɪk fˈɪfti], \ˈaɪ_k f_ˈɪ_f_t_i]\
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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.
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Word of the day
Prinzmetal Angina
- A clinical syndrome characterized by development of CHEST PAIN at rest concomitant transient ST segment elevation in the electrocardiogram, but with preserved exercise capacity.