Oyster 680
Oyster 680 (Ex-Max 647 nm/Em-Max 693 nm)
Oyster® 680 is a fluorophore with an excitation peak at 674 nm and an emission peak at 693 nm. Oyster 680 is similar to Alexa Fluor™ 680 and Cy5.5 in size, brightness and application.
Excitation & emission spectra
Key facts
- Excitation maximum
- 674 nm
- Emission maximum
- 693 nm
- Optimal laser line
- 628-640
- Optimal filter
- 695/40
- Relative brightness
- 1 of 5
- Extinction coefficient
- 250000
- Molecular weight
- 1920
Oyster 680 has an excitation maximum at 674 nm and an emission maximum at 693 nm, a Stokes shift of 19 nm. Its extinction coefficient is 250000 M⁻¹cm⁻¹. It is optimally excited by the 628-640 laser line.
Frequently asked questions
- What is Oyster 680?
- Oyster® 680 is a fluorophore with an excitation peak at 674 nm and an emission peak at 693 nm. Oyster 680 is similar to Alexa Fluor™ 680 and Cy5.5 in size, brightness and application.
- What laser excites Oyster 680?
- Oyster 680 is optimally excited by the 628-640 laser line. Its excitation maximum is 674 nm.
- What filter should I use to detect Oyster 680?
- A 695/40 filter captures the peak of the Oyster 680 emission near 693 nm with minimal spillover.
- How bright is Oyster 680?
- Oyster 680 has a relative brightness of 1 out of 5.