Table 2.
Indicator | Kd for Ca2+ (nM) | Excitation (nm), emission (nm) | Notes | Reference |
---|---|---|---|---|
Calcium Green-1 | 190 | 490ex 531 em | single wavelength | (39, 40) |
Fluo-3 | 325 | 506 ex 526 em | single wavelength | (41, 42) |
Fluo-4 | 345 | 494 ex 516 em | single wavelength | (43-45) |
Fura-2 | 145 | 363/335 ex 512 em | dual excitation/ single emission | (39, 46, 47) |
Indo-1 | 230 | 488 ex 405/485 em | single excitation/dual emission | (47) |
Oregon Green 488 Bapta-1 | 170 | 488 ex 520 em | single long wavelength | (48) |
Fura-4F | 0.77 | 336/366 ex, 511em | Ratiometric Exitation / Single emission | (49) |
Fura-5F | 0.40 | 336/363 ex, 512em | Ratiometric Exitation / Single emission | (50) |
Calcium Crimson | 185 | 590ex 615 em | single long wavelength | (39) |
X-rhod-1 | 0.7 | 580 ex,602 em | Single excitation/emission | (51, 52) |