Fluorescence Lifetime Readouts of Troponin-C-Based Calcium FRET Sensors: A Quantitative Comparison of CFP and mTFP1 as Donor Fluorophores - Laine,R; Stuckey,DW; Manning,H; Warren,SC; Kennedy,G; Carling,D; Dunsby,C; Sardini,A; French,PMW (PLOS ONE, 2012)