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. Author manuscript; available in PMC: 2016 Dec 5.
Published in final edited form as: Methods Mol Biol. 2013;948:49–65. doi: 10.1007/978-1-62703-140-0_5

Table 3.

Possible near infrared FRET pairs with absorptions and emissions maxima, donor fluorescence quantum yield, acceptor molar extinction coefficient (providers’ data) and estimated Forster radius (using providers’ data in water or PBS).

Donor/acceptor pair Donor absorbance (nm) Donor emission (nm) Acceptor absorbance (nm) Acceptor emission (nm) QY L.mol−1.cm−1 Förster Radius
AF633/AF660 632 647 663 690 0.3 132000 6.5
AF633/AF680 632 647 679 702 0.3 183000 7
AF650/AF700 650 668 702 723 0.33 192000 7
AF650/AF750 650 668 749 775 0.33 240000 6.5
AF660/AF750 663 690 749 775 0.37 240000 7
AF680/AF750 679 702 749 775 0.36 240000 7.5
AF680/IRdye800 679 702 774 789 0.36 240000 7
AF700/AF750 702 723 749 775 0.25 240000 7.5
AR700/IRdye800 702 723 774 789 0.25 240000 7
AF700/AF790 702 723 785 810 0.25 260000 7