Cyanine 555
Cyanine 555 (Ex-Max 554 nm/Em-Max 568 nm)
Cyanine 555 has an excitation peak at 554 nm and an emission peak at 568 nm. Spectrally its similar to Alexa Fluor™ 555 and Cy3.
Excitation & emission spectra
Key facts
- Excitation maximum
- 554 nm
- Emission maximum
- 568 nm
- Optimal laser line
- 561
- Optimal filter
- 585/42
Cyanine 555 has an excitation maximum at 554 nm and an emission maximum at 568 nm, a Stokes shift of 14 nm. It is optimally excited by the 561 laser line.
Frequently asked questions
- What is Cyanine 555?
- Cyanine 555 has an excitation peak at 554 nm and an emission peak at 568 nm. Spectrally its similar to Alexa Fluor™ 555 and Cy3.
- What laser excites Cyanine 555?
- Cyanine 555 is optimally excited by the 561 laser line. Its excitation maximum is 554 nm.
- What filter should I use to detect Cyanine 555?
- A 585/42 filter captures the peak of the Cyanine 555 emission near 568 nm with minimal spillover.