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CF540

CF®540 (Ex-Max 544 nm/Em-Max 570 nm)

CF®540 from Biotium is a fluorophore with an excitation peak at 544 nm and an emission peak at 570 nm. It can be useful in both fluorescence microscopy and flow cytometry.

Excitation & emission spectra

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Key facts

Excitation maximum
544 nm
Emission maximum
570 nm
Optimal laser line
532
Optimal filter
585/42
Relative brightness
2 of 5

CF540 has an excitation maximum at 544 nm and an emission maximum at 570 nm, a Stokes shift of 26 nm. It is optimally excited by the 532 laser line.

Frequently asked questions

What is CF540?
CF®540 from Biotium is a fluorophore with an excitation peak at 544 nm and an emission peak at 570 nm. It can be useful in both fluorescence microscopy and flow cytometry.
What laser excites CF540?
CF540 is optimally excited by the 532 laser line. Its excitation maximum is 544 nm.
What filter should I use to detect CF540?
A 585/42 filter captures the peak of the CF540 emission near 570 nm with minimal spillover.
How bright is CF540?
CF540 has a relative brightness of 2 out of 5.