active

in biomolecular screening
https://doi.org/10.1351/goldbook.14105
Sample that produces a response or signal above a defined threshold at a tested concentration in a single assay or screen.
Note: When the properties and identity of an active or hit are confirmed by subsequent experiment it becomes a confirmed hit.
See also: inactive
Source:
PAC, 2011, 83, 1129. (Glossary of terms used in biomolecular screening (IUPAC Recommendations 2011)) on page 1131 [Terms] [Paper]