A step beyond BRET: Fluorescence by Unbound Excitation from Luminescence (FUEL).
Dragavon J, Sinow C, Holland AD, Rekiki A, Theodorou I, Samson C, Blazquez S, Rogers KL, Tournebize R, Shorte SL. A step beyond BRET: Fluorescence by Unbound Excitation from Luminescence (FUEL). J Vis Exp. 2014 May 23; (87).