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Alexa Fluor Plus 555

AFplus555

Alexa Fluor™ Plus 555 is a fluorescent dye with an excitation peak at 558 nm and an emission peak at 572 nm. The Alexa Fluor ™ Plus line of reagents have increased brightness and photostability to enable researchers to detect and visualize low-abundance targets in rare or precious samples.

Excitation & emission spectra

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Key facts

Excitation maximum
558 nm
Emission maximum
572 nm
Optimal laser line
488/532
Optimal filter
555/20
Relative brightness
3 of 5
Commercial antibodies
17.1k from 3 suppliers

Alexa Fluor Plus 555 has an excitation maximum at 558 nm and an emission maximum at 572 nm, a Stokes shift of 14 nm. It is optimally excited by the 488/532 laser line.

Frequently asked questions

What is Alexa Fluor Plus 555?
Alexa Fluor™ Plus 555 is a fluorescent dye with an excitation peak at 558 nm and an emission peak at 572 nm. The Alexa Fluor ™ Plus line of reagents have increased brightness and photostability to enable researchers to detect and visualize low-abundance targets in rare or precious samples.
What laser excites Alexa Fluor Plus 555?
Alexa Fluor Plus 555 is optimally excited by the 488/532 laser line. Its excitation maximum is 558 nm.
What filter should I use to detect Alexa Fluor Plus 555?
A 555/20 filter captures the peak of the Alexa Fluor Plus 555 emission near 572 nm with minimal spillover.
How bright is Alexa Fluor Plus 555?
Alexa Fluor Plus 555 has a relative brightness of 3 out of 5.
How many antibodies are available conjugated to Alexa Fluor Plus 555?
FluoroFinder tracks 17095 commercially available Alexa Fluor Plus 555 conjugates, searchable by target, clone, host and application.