Molecule of Equivalent Soluble Fluorochrome

**Semantic type:** Quantitative Concept

**Definition:** A unit of measure of the fluorescence intensity of a fluorochrome-labeled sample, which is equivalent to the fluorescence intensity of a solution containing an equivalent number of molecules of free fluorochrome in solution, under identical experimental conditions.

**Synonyms:** - MESF - Molecules of Equivalent Soluble Fluorochromes - {MESF} - {MESF}