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TO-Pro 1

TO-Pro 1 (Ex-Max 515 nm/Em-Max 531 nm)

TO-PRO-1 (Thiazole Orange Iodide) is an intercalating cell-impermeant nucleic acid stain used for viablity or apoptosis detection. It has an excitation peak at 512 nm and an emission peak at 533 nm.

Excitation & emission spectra

400450500550600650700750800

Key facts

Excitation maximum
515 nm
Emission maximum
531 nm
Optimal laser line
488
Optimal filter
525/30
Commercial antibodies
1 from 1 supplier

TO-Pro 1 has an excitation maximum at 515 nm and an emission maximum at 531 nm, a Stokes shift of 16 nm. It is optimally excited by the 488 laser line.

Frequently asked questions

What is TO-Pro 1?
TO-PRO-1 (Thiazole Orange Iodide) is an intercalating cell-impermeant nucleic acid stain used for viablity or apoptosis detection. It has an excitation peak at 512 nm and an emission peak at 533 nm.
What laser excites TO-Pro 1?
TO-Pro 1 is optimally excited by the 488 laser line. Its excitation maximum is 515 nm.
What filter should I use to detect TO-Pro 1?
A 525/30 filter captures the peak of the TO-Pro 1 emission near 531 nm with minimal spillover.
How many antibodies are available conjugated to TO-Pro 1?
FluoroFinder tracks 1 commercially available TO-Pro 1 conjugates, searchable by target, clone, host and application.