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PromoFluor 555P

PromoFluor 555P (Ex-Max 557 nm/Em-Max 571 nm)

PromoFluor 555P is a fluorophore with an excitation peak at 557 nm and an emission peak at 571 nm. It is equivalent to Alexa Fluor™ 555 and Cy3 in size, brightness and application. It can be used with the following analysis platforms: Fluorescence Microscopy.

Excitation & emission spectra

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Key facts

Excitation maximum
557 nm
Emission maximum
571 nm
Optimal laser line
561
Optimal filter
582/15
Relative brightness
2 of 5
Quantum yield
0.135

PromoFluor 555P has an excitation maximum at 557 nm and an emission maximum at 571 nm, a Stokes shift of 14 nm. It is optimally excited by the 561 laser line.

Frequently asked questions

What is PromoFluor 555P?
PromoFluor 555P is a fluorophore with an excitation peak at 557 nm and an emission peak at 571 nm. It is equivalent to Alexa Fluor™ 555 and Cy3 in size, brightness and application. It can be used with the following analysis platforms: Fluorescence Microscopy.
What laser excites PromoFluor 555P?
PromoFluor 555P is optimally excited by the 561 laser line. Its excitation maximum is 557 nm.
What filter should I use to detect PromoFluor 555P?
A 582/15 filter captures the peak of the PromoFluor 555P emission near 571 nm with minimal spillover.
How bright is PromoFluor 555P?
PromoFluor 555P has a relative brightness of 2 out of 5 (quantum yield 0.135).