Oyster 488
Oyster 488 (Ex-Max 494 nm/Em-Max 518 nm)
Oyster® 488 is a fluorophore with an excitation peak at 494 nm and an emission peak at 518 nm. Oyster 488 is similar to Alexa Fluor™ 488 and DyLight™ 488 in size, brightness and application.
Excitation & emission spectra
Key facts
- Excitation maximum
- 494 nm
- Emission maximum
- 518 nm
- Optimal laser line
- 488
- Optimal filter
- 525/50
- Relative brightness
- 2 of 5
- Extinction coefficient
- 80000
- Molecular weight
- 1200
Oyster 488 has an excitation maximum at 494 nm and an emission maximum at 518 nm, a Stokes shift of 24 nm. Its extinction coefficient is 80000 M⁻¹cm⁻¹. It is optimally excited by the 488 laser line.
Frequently asked questions
- What is Oyster 488?
- Oyster® 488 is a fluorophore with an excitation peak at 494 nm and an emission peak at 518 nm. Oyster 488 is similar to Alexa Fluor™ 488 and DyLight™ 488 in size, brightness and application.
- What laser excites Oyster 488?
- Oyster 488 is optimally excited by the 488 laser line. Its excitation maximum is 494 nm.
- What filter should I use to detect Oyster 488?
- A 525/50 filter captures the peak of the Oyster 488 emission near 518 nm with minimal spillover.
- How bright is Oyster 488?
- Oyster 488 has a relative brightness of 2 out of 5.