iFluor 840
iFluor® 840 (Ex-Max 831 nm/Em-Max 878 nm)
iFluor® 840 from AAT Bioquest is a fluorophore with an excitation peak at 831 nm and an emission peak at 878 nm. It can be useful in fluorescence and in vivo fluorescence microscopy. It may also be useful in flow cytometry when excited by an 808 nm laser.
Excitation & emission spectra
Key facts
- Excitation maximum
- 831 nm
- Emission maximum
- 878 nm
- Optimal laser line
- 808
- Optimal filter
- 885/40
iFluor 840 has an excitation maximum at 831 nm and an emission maximum at 878 nm, a Stokes shift of 47 nm. It is optimally excited by the 808 laser line.
Frequently asked questions
- What is iFluor 840?
- iFluor® 840 from AAT Bioquest is a fluorophore with an excitation peak at 831 nm and an emission peak at 878 nm. It can be useful in fluorescence and in vivo fluorescence microscopy. It may also be useful in flow cytometry when excited by an 808 nm laser.
- What laser excites iFluor 840?
- iFluor 840 is optimally excited by the 808 laser line. Its excitation maximum is 831 nm.
- What filter should I use to detect iFluor 840?
- A 885/40 filter captures the peak of the iFluor 840 emission near 878 nm with minimal spillover.