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FVS520

FVS520 (Ex-Max 490 nm/Em-Max 515 nm)

FVS520 (Fixable Viability Stain 520) from BD Biosciences is an amine-reactive viability dye used in flow cytometry when it will be necessary to fix and/or permeabilize the cells after staining. This reagent has an excitation peak at 490 nm and an emission peak at 515 nm.

Excitation & emission spectra

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Key facts

Excitation maximum
490 nm
Emission maximum
515 nm
Optimal laser line
488
Optimal filter
515/30
Commercial antibodies
1 from 1 supplier

FVS520 has an excitation maximum at 490 nm and an emission maximum at 515 nm, a Stokes shift of 25 nm. It is optimally excited by the 488 laser line.

Frequently asked questions

What is FVS520?
FVS520 (Fixable Viability Stain 520) from BD Biosciences is an amine-reactive viability dye used in flow cytometry when it will be necessary to fix and/or permeabilize the cells after staining. This reagent has an excitation peak at 490 nm and an emission peak at 515 nm.
What laser excites FVS520?
FVS520 is optimally excited by the 488 laser line. Its excitation maximum is 490 nm.
What filter should I use to detect FVS520?
A 515/30 filter captures the peak of the FVS520 emission near 515 nm with minimal spillover.
How many antibodies are available conjugated to FVS520?
FluoroFinder tracks 1 commercially available FVS520 conjugates, searchable by target, clone, host and application.