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Live-or-Dye NucFix Red

Live-or-Dye™ NucFix Red (Ex-Max 520 nm/Em-Max 593 nm)

Biotium' Live-or-Dye™ NucFix Red is a fluorogenic, cell-impermeant nucleic acid stain with an excitation peak at 520 nm and an emission peak at 593 nm. Although it is a nuclear stain, it also covalently crosslinks inside the cell for retention with subsequent fixation and permeabilization.

Excitation & emission spectra

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Key facts

Excitation maximum
520 nm
Emission maximum
593 nm
Optimal laser line
488/532
Optimal filter
585/42
Commercial antibodies
2 from 1 supplier

Live-or-Dye NucFix Red has an excitation maximum at 520 nm and an emission maximum at 593 nm, a Stokes shift of 73 nm. It is optimally excited by the 488/532 laser line.

Frequently asked questions

What is Live-or-Dye NucFix Red?
Biotium' Live-or-Dye™ NucFix Red is a fluorogenic, cell-impermeant nucleic acid stain with an excitation peak at 520 nm and an emission peak at 593 nm. Although it is a nuclear stain, it also covalently crosslinks inside the cell for retention with subsequent fixation and permeabilization.
What laser excites Live-or-Dye NucFix Red?
Live-or-Dye NucFix Red is optimally excited by the 488/532 laser line. Its excitation maximum is 520 nm.
What filter should I use to detect Live-or-Dye NucFix Red?
A 585/42 filter captures the peak of the Live-or-Dye NucFix Red emission near 593 nm with minimal spillover.
How many antibodies are available conjugated to Live-or-Dye NucFix Red?
FluoroFinder tracks 2 commercially available Live-or-Dye NucFix Red conjugates, searchable by target, clone, host and application.