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AMCA

AMCA (Coumarin)

AMCA (AMC, Coumarin) is a fluorophore with an excitation peak at 344 nm and an emission peak at 440 nm. Coumarin is the core blue-emitting fluorophore that has derived other, more stable alternatives like Alexa Fluor™ 350 and DY350.

Excitation & emission spectra

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Key facts

Excitation maximum
344 nm
Emission maximum
439 nm
Optimal laser line
355
Optimal filter
450/50
Relative brightness
1 of 5
Commercial antibodies
21 from 10 suppliers

AMCA has an excitation maximum at 344 nm and an emission maximum at 439 nm, a Stokes shift of 95 nm. It is optimally excited by the 355 laser line.

Frequently asked questions

What is AMCA?
AMCA (AMC, Coumarin) is a fluorophore with an excitation peak at 344 nm and an emission peak at 440 nm. Coumarin is the core blue-emitting fluorophore that has derived other, more stable alternatives like Alexa Fluor™ 350 and DY350.
What laser excites AMCA?
AMCA is optimally excited by the 355 laser line. Its excitation maximum is 344 nm.
What filter should I use to detect AMCA?
A 450/50 filter captures the peak of the AMCA emission near 439 nm with minimal spillover.
How bright is AMCA?
AMCA has a relative brightness of 1 out of 5.
How many antibodies are available conjugated to AMCA?
FluoroFinder tracks 21 commercially available AMCA conjugates, searchable by target, clone, host and application.