Loading the Dye Directory…

SeTau-647-di-NHS

SeTau-647-di-NHS (Ex-Max 650 nm/Em-Max 694 nm)

SeTau-647-di-NHS from SETA BioMedicals is a fluorophore with an excitation peak at 650 nm and an emission peak at 694 nm. SeTau dyes are available as streptavidin conjugates or as various reactive dyes for your own conjugation.

Excitation & emission spectra

400450500550600650700750800

Key facts

Excitation maximum
650 nm
Emission maximum
694 nm
Optimal laser line
628-640
Optimal filter
695/40
Relative brightness
5 of 5
Extinction coefficient
200000
Quantum yield
0.65

SeTau-647-di-NHS has an excitation maximum at 650 nm and an emission maximum at 694 nm, a Stokes shift of 44 nm. Its extinction coefficient is 200000 M⁻¹cm⁻¹. It is optimally excited by the 628-640 laser line.

Frequently asked questions

What is SeTau-647-di-NHS?
SeTau-647-di-NHS from SETA BioMedicals is a fluorophore with an excitation peak at 650 nm and an emission peak at 694 nm. SeTau dyes are available as streptavidin conjugates or as various reactive dyes for your own conjugation.
What laser excites SeTau-647-di-NHS?
SeTau-647-di-NHS is optimally excited by the 628-640 laser line. Its excitation maximum is 650 nm.
What filter should I use to detect SeTau-647-di-NHS?
A 695/40 filter captures the peak of the SeTau-647-di-NHS emission near 694 nm with minimal spillover.
How bright is SeTau-647-di-NHS?
SeTau-647-di-NHS has a relative brightness of 5 out of 5 (quantum yield 0.65).