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SeTau-647-NHS

SeTau-647-NHS (Ex-Max 649 nm/Em-Max 695 nm)

SeTau-647 from SETA BioMedicals is a fluorophore with an excitation peak at 649 nm and an emission peak at 695 nm. SeTau dyes are available as streptavidin conjugates or as various reactive dyes for your own conjugation.

Excitation & emission spectra

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Key facts

Excitation maximum
649 nm
Emission maximum
695 nm
Optimal laser line
628-640
Optimal filter
695/40
Relative brightness
5 of 5
Extinction coefficient
200000
Quantum yield
0.61

SeTau-647-NHS has an excitation maximum at 649 nm and an emission maximum at 695 nm, a Stokes shift of 46 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-NHS?
SeTau-647 from SETA BioMedicals is a fluorophore with an excitation peak at 649 nm and an emission peak at 695 nm. SeTau dyes are available as streptavidin conjugates or as various reactive dyes for your own conjugation.
What laser excites SeTau-647-NHS?
SeTau-647-NHS is optimally excited by the 628-640 laser line. Its excitation maximum is 649 nm.
What filter should I use to detect SeTau-647-NHS?
A 695/40 filter captures the peak of the SeTau-647-NHS emission near 695 nm with minimal spillover.
How bright is SeTau-647-NHS?
SeTau-647-NHS has a relative brightness of 5 out of 5 (quantum yield 0.61).