Fluorescence Resonance Energy Transfer

**Semantic type:** Conceptual Entity

**Definition:** A process to measure the proximity of two fluorochromes whereby the excitation energy of one fluorochrome is released and absorbed by the second fluorochrome. It is used to study interactions and structure of macromolecules. (NCI)

**Synonyms:** - FLUORESCENCE RESONANCE ENERGY TRANSFER - FRET - Forster Resonance Energy Transfer