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half maximal inhibitory concentration
EntityQ286779· pop 19· linked from 658 articles

half maximal inhibitory concentration

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Also known as IC50, Inhibitory Concentration 50

thumb|Graphical representation of the IC50 determination of the inhibition of an enzyme's activity by a small molecule ("drug"). Four different concentrations of the small molecule (ranging from 30 to 300 μM) were tested.

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Vinony's link graph records 658 inbound references to half maximal inhibitory concentration, and connects out to antagonist, ligand and signaling receptor.

It sits within the topics Concentration indicators and Pharmacodynamics.

Vinony links it to 19 Wikipedia language editions.

~6 min read

Encyclopedic overview

7 sections
Contents
  • Functional antagonist assay
  • IC<sub>50</sub> and affinity
  • Competition binding assays
  • Cheng–Prusoff equation
  • See also
  • References
  • External links

thumb|Graphical representation of the IC50 determination of the inhibition of an enzyme's activity by a small molecule ("drug"). Four different concentrations of the small molecule (ranging from 30 to 300 μM) were tested.

Half maximal inhibitory concentration (IC50) is a measure of the potency of a substance in inhibiting a specific biological or biochemical function. IC50 is a quantitative measure that indicates how much of a particular inhibitory substance (e.g. drug) is needed to inhibit, in vitro, a given biological process or biological component by 50%. The biological component could be an enzyme, cell, cell receptor or microbe. IC50 values are typically expressed as molar concentration.

Excerpted from Wikipedia’s “half maximal inhibitory concentration” article, available under the CC BY-SA 4.0 licence.

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