| Symbol |
Filter set |
Fluorochromes present |
Meaning |
| Dd |
Donor |
Donor |
Signal from a donor-only specimen using the donor filter cube |
| Fd |
FRET |
Donor |
Signal from a donor-only specimen using the FRET filter set |
| Ad |
Acceptor |
Donor |
Signal from a donor-only specimen using the acceptor filter set |
| Da |
Donor |
Acceptor |
Signal from an acceptor-only specimen using the donor filter cube |
| Fa |
FRET |
Acceptor |
Signal from an acceptor-only specimen using the FRET filter set |
| Aa |
Acceptor |
Acceptor |
Signal from an acceptor-only specimen using the acceptor filter set |
| Df |
Donor |
Donor and acceptor |
Signal from a FRET specimen using the donor filter cube |
| Ff |
FRET |
Donor and acceptor |
Signal from a FRET specimen using the FRET filter set |
| Af |
Acceptor |
Donor and acceptor |
Signal from a FRET specimen using the acceptor filter set |
| Adapted from Gordon et al. 1998 and reprinted with permission from the Biophysical Society © 1998. |