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YOYO-1

YOYO-1 (Ex-Max 491 nm/Em-Max 509 nm)

YOYO-1 is a fluorogenic, bis-intercalating nucleic acid stain that is impermeant to healthy cells with an intact plasma membrane. It has an excitation peak at 491 nm and an emission peak at 509 nm. This probe can be applied to flow cytometry or fluorescence microscopy.

Excitation & emission spectra

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Key facts

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

YOYO-1 has an excitation maximum at 491 nm and an emission maximum at 509 nm, a Stokes shift of 18 nm. It is optimally excited by the 488 laser line.

Frequently asked questions

What is YOYO-1?
YOYO-1 is a fluorogenic, bis-intercalating nucleic acid stain that is impermeant to healthy cells with an intact plasma membrane. It has an excitation peak at 491 nm and an emission peak at 509 nm. This probe can be applied to flow cytometry or fluorescence microscopy.
What laser excites YOYO-1?
YOYO-1 is optimally excited by the 488 laser line. Its excitation maximum is 491 nm.
What filter should I use to detect YOYO-1?
A 515/30 filter captures the peak of the YOYO-1 emission near 509 nm with minimal spillover.
How many antibodies are available conjugated to YOYO-1?
FluoroFinder tracks 1 commercially available YOYO-1 conjugates, searchable by target, clone, host and application.