Cyanine 3 SE
Cyanine 3 SE (Ex-Max 550 nm/Em-Max 560 nm)
Cyanine 3 has an excitation peak at 554 nm and an emission peak at 568 nm. Spectrally its similar to Alexa Fluor™ 555.
Excitation & emission spectra
Key facts
- Excitation maximum
- 550 nm
- Emission maximum
- 560 nm
- Optimal laser line
- 532
- Optimal filter
- 575/36
- Relative brightness
- 3 of 5
- Extinction coefficient
- 150000
- Quantum yield
- 0.31
- Molecular weight
- 727.84
Cyanine 3 SE has an excitation maximum at 550 nm and an emission maximum at 560 nm, a Stokes shift of 10 nm. Its extinction coefficient is 150000 M⁻¹cm⁻¹. It is optimally excited by the 532 laser line.
Frequently asked questions
- What is Cyanine 3 SE?
- Cyanine 3 has an excitation peak at 554 nm and an emission peak at 568 nm. Spectrally its similar to Alexa Fluor™ 555.
- What laser excites Cyanine 3 SE?
- Cyanine 3 SE is optimally excited by the 532 laser line. Its excitation maximum is 550 nm.
- What filter should I use to detect Cyanine 3 SE?
- A 575/36 filter captures the peak of the Cyanine 3 SE emission near 560 nm with minimal spillover.
- How bright is Cyanine 3 SE?
- Cyanine 3 SE has a relative brightness of 3 out of 5 (quantum yield 0.31).