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KIRAVIA Blue 520

KIRAVIA Blue 520 (Ex-Max 497 nm/Em-Max 520 nm)

KIRAVIA Blue 520® (KB520) is a polymeric fluorophore from Sony Biotechnology that has an excitation peak at 497 nm and an emission peak at 520 nm, and is considered an improved alternative to FITC.

Excitation & emission spectra

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Key facts

Excitation maximum
497 nm
Emission maximum
520 nm
Optimal laser line
488
Optimal filter
520/30
Relative brightness
2 of 5
Commercial antibodies
279 from 2 suppliers

KIRAVIA Blue 520 has an excitation maximum at 497 nm and an emission maximum at 520 nm, a Stokes shift of 23 nm. It is optimally excited by the 488 laser line.

Frequently asked questions

What is KIRAVIA Blue 520?
KIRAVIA Blue 520® (KB520) is a polymeric fluorophore from Sony Biotechnology that has an excitation peak at 497 nm and an emission peak at 520 nm, and is considered an improved alternative to FITC.
What laser excites KIRAVIA Blue 520?
KIRAVIA Blue 520 is optimally excited by the 488 laser line. Its excitation maximum is 497 nm.
What filter should I use to detect KIRAVIA Blue 520?
A 520/30 filter captures the peak of the KIRAVIA Blue 520 emission near 520 nm with minimal spillover.
How bright is KIRAVIA Blue 520?
KIRAVIA Blue 520 has a relative brightness of 2 out of 5.
How many antibodies are available conjugated to KIRAVIA Blue 520?
FluoroFinder tracks 279 commercially available KIRAVIA Blue 520 conjugates, searchable by target, clone, host and application.