Loading the Dye Directory…

FVS450

FVS450 (Ex-Max 400 nm/Em-Max 445 nm)

FVS450 (Fixable Viability Stain 450) 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 400 nm and an emission peak at 445 nm.

Excitation & emission spectra

400450500550600650700750800

Key facts

Excitation maximum
400 nm
Emission maximum
445 nm
Optimal laser line
405
Optimal filter
450/50
Commercial antibodies
1 from 1 supplier

FVS450 has an excitation maximum at 400 nm and an emission maximum at 445 nm, a Stokes shift of 45 nm. It is optimally excited by the 405 laser line.

Frequently asked questions

What is FVS450?
FVS450 (Fixable Viability Stain 450) 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 400 nm and an emission peak at 445 nm.
What laser excites FVS450?
FVS450 is optimally excited by the 405 laser line. Its excitation maximum is 400 nm.
What filter should I use to detect FVS450?
A 450/50 filter captures the peak of the FVS450 emission near 445 nm with minimal spillover.
How many antibodies are available conjugated to FVS450?
FluoroFinder tracks 1 commercially available FVS450 conjugates, searchable by target, clone, host and application.