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Concept information

Preferred term

inhibitory concentration 50

Type

  • Topic

Definition

  • Information 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.

Broader concept

Synonyms

  • 50% inhibitory concentration
  • IC 50
  • IC-50
  • IC50

In other languages

URI

https://lod.nal.usda.gov/nalt/68543

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