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Oxazole Red Homodimer

Oxazole Red Homodimer (Ex-Max 612 nm/Em-Max 631 nm)

Oxazole Red homodimer (YOYO-3) is a cell-impermeant, fluorogenic bis-intercalating nucleic acid stain. Oxazole Red homodimer has an excitation peak at 612 nm and an emission peak at 631 nm. It is commonly used as a dead and apoptotic cell stain in the following applications: Fluorescence Microscopy and Flow Cytometry.

Excitation & emission spectra

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Key facts

Excitation maximum
612 nm
Emission maximum
631 nm
Optimal laser line
594
Optimal filter
630/69

Oxazole Red Homodimer has an excitation maximum at 612 nm and an emission maximum at 631 nm, a Stokes shift of 19 nm. It is optimally excited by the 594 laser line.

Frequently asked questions

What is Oxazole Red Homodimer?
Oxazole Red homodimer (YOYO-3) is a cell-impermeant, fluorogenic bis-intercalating nucleic acid stain. Oxazole Red homodimer has an excitation peak at 612 nm and an emission peak at 631 nm. It is commonly used as a dead and apoptotic cell stain in the following applications: Fluorescence Microscopy and Flow Cytometry.
What laser excites Oxazole Red Homodimer?
Oxazole Red Homodimer is optimally excited by the 594 laser line. Its excitation maximum is 612 nm.
What filter should I use to detect Oxazole Red Homodimer?
A 630/69 filter captures the peak of the Oxazole Red Homodimer emission near 631 nm with minimal spillover.