https://doi.org/10.1351/goldbook.R05105
An @[email protected] based on the reversible and non-covalent binding of an @[email protected] (@[email protected]) by a specific @[email protected] employing @[email protected] labelled @[email protected] (@[email protected]) to measure the fraction of the @[email protected] (@[email protected]) bound to a substoichiometric amount of @[email protected]