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ATTO 488

ATTO 488 (Ex-Max 501 nm/Em-Max 523 nm)

ATTO 488 is from ATTO-Tec Gmbh has an excitation peak at 501 nm and an emission peak at 523 nm.

Excitation & emission spectra

400450500550600650700750800

Key facts

Excitation maximum
501 nm
Emission maximum
523 nm
Optimal laser line
488
Optimal filter
515/30
Relative brightness
2 of 5
Extinction coefficient
90000
Quantum yield
0.8
Molecular weight
970
Commercial antibodies
11.8k from 15 suppliers

ATTO 488 has an excitation maximum at 501 nm and an emission maximum at 523 nm, a Stokes shift of 22 nm. Its extinction coefficient is 90000 M⁻¹cm⁻¹. It is optimally excited by the 488 laser line.

Frequently asked questions

What is ATTO 488?
ATTO 488 is from ATTO-Tec Gmbh has an excitation peak at 501 nm and an emission peak at 523 nm.
What laser excites ATTO 488?
ATTO 488 is optimally excited by the 488 laser line. Its excitation maximum is 501 nm.
What filter should I use to detect ATTO 488?
A 515/30 filter captures the peak of the ATTO 488 emission near 523 nm with minimal spillover.
How bright is ATTO 488?
ATTO 488 has a relative brightness of 2 out of 5 (quantum yield 0.8).
How many antibodies are available conjugated to ATTO 488?
FluoroFinder tracks 11822 commercially available ATTO 488 conjugates, searchable by target, clone, host and application.