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Sytox Orange

Sytox Orange (Ex-Max 546 nm/Em-Max 570 nm)

Sytox Orange from Thermo Fisher Scientific is a cell-impermeant, fluorogenic nucleic acid stain that can be used as a viability dye for use in flow cytometry and as a nuclear counterstain in fluorescence microscopy. It has an excitation peak at 546 nm and an emission peak at 570 nm.

Excitation & emission spectra

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Key facts

Excitation maximum
546 nm
Emission maximum
570 nm
Optimal laser line
488-532
Optimal filter
585/40
Commercial antibodies
1 from 1 supplier

Sytox Orange has an excitation maximum at 546 nm and an emission maximum at 570 nm, a Stokes shift of 24 nm. It is optimally excited by the 488-532 laser line.

Frequently asked questions

What is Sytox Orange?
Sytox Orange from Thermo Fisher Scientific is a cell-impermeant, fluorogenic nucleic acid stain that can be used as a viability dye for use in flow cytometry and as a nuclear counterstain in fluorescence microscopy. It has an excitation peak at 546 nm and an emission peak at 570 nm.
What laser excites Sytox Orange?
Sytox Orange is optimally excited by the 488-532 laser line. Its excitation maximum is 546 nm.
What filter should I use to detect Sytox Orange?
A 585/40 filter captures the peak of the Sytox Orange emission near 570 nm with minimal spillover.
How many antibodies are available conjugated to Sytox Orange?
FluoroFinder tracks 1 commercially available Sytox Orange conjugates, searchable by target, clone, host and application.