Table 1.
Comparison of SensorFRET measurements (using both single and two photon excitation) to sRET and FLIM-FRET measurements for established FRET standards.
Method | FRET Efficiency | |||
---|---|---|---|---|
FRET Standard | CTV | C32V | C5V | VCV |
SensorFRET(405/458 nm) | 2.1 ± 5.6 (n = 14) | 36.2 ± 2.9 (n = 23) | 43.8 ± 6.5 (n = 24) | 70.7 ± 3.1 (n = 62) |
SensorFRET(850/920 nm) | 0.8 ± 5.3 (n = 16) | 30.7 ± 5.4 (n = 10) | 47.5 ± 3.8 (n = 12) | NA |
sRET | 1.7 ± 7.0 (n = 12)a | 29.5 ± 8.0 (n = 60)bb | 41.5 ± 8.7 (n = 60)b | 69.7 ± 5.7 (n = 6)a |
FLIM-FRET | 6.3 ± 2.6 (n = 30)a | 33.3 ± 4.5 (n = 10)b | 44.3 ± 1.7 (n = 10)b | 64.5 ± 3.2 (n = 20)a |