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IR870

IR870 has an excitation maximum at 876 nm and an emission maximum at 896 nm, a Stokes shift of 20 nm. Its extinction coefficient is 240,000 M⁻¹cm⁻¹. It is optimally excited by the 808 laser line.

Excitation & emission spectra

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Key facts

Excitation maximum
876 nm
Emission maximum
896 nm
Optimal laser line
808
Optimal filter
885/40
Relative brightness
1 of 5
Extinction coefficient
240,000
Molecular weight
2773
Commercial antibodies
6 from 1 supplier

IR870 has an excitation maximum at 876 nm and an emission maximum at 896 nm, a Stokes shift of 20 nm. Its extinction coefficient is 240,000 M⁻¹cm⁻¹. It is optimally excited by the 808 laser line.

Frequently asked questions

What laser excites IR870?
IR870 is optimally excited by the 808 laser line. Its excitation maximum is 876 nm.
What filter should I use to detect IR870?
A 885/40 filter captures the peak of the IR870 emission near 896 nm with minimal spillover.
How bright is IR870?
IR870 has a relative brightness of 1 out of 5.
How many antibodies are available conjugated to IR870?
FluoroFinder tracks 6 commercially available IR870 conjugates, searchable by target, clone, host and application.