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DyLight 488

DyLight™ 488 (Ex-Max 493 nm/Em-Max 518 nm)

DyLight™ 488 has an excitation peak at 493 nm and an emission peak at 518 nm and is spectrally similar to Alexa Fluor™ 488, fluorescein and FITC. DyLight™ 488 is most commonly used in flow cytometery, and fluorescence microscopy applications.

Excitation & emission spectra

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Key facts

Excitation maximum
493 nm
Emission maximum
518 nm
Optimal laser line
488
Optimal filter
525/50
Relative brightness
2 of 5
Extinction coefficient
70000
Commercial conjugates
1.4k from 23 suppliers

DyLight 488 has an excitation maximum at 493 nm and an emission maximum at 518 nm, a Stokes shift of 25 nm. Its extinction coefficient is 70000 M⁻¹cm⁻¹. It is optimally excited by the 488 laser line.

Frequently asked questions

What is DyLight 488?
DyLight™ 488 has an excitation peak at 493 nm and an emission peak at 518 nm and is spectrally similar to Alexa Fluor™ 488, fluorescein and FITC. DyLight™ 488 is most commonly used in flow cytometery, and fluorescence microscopy applications.
What laser excites DyLight 488?
DyLight 488 is optimally excited by the 488 laser line. Its excitation maximum is 493 nm.
What filter should I use to detect DyLight 488?
A 525/50 filter captures the peak of the DyLight 488 emission near 518 nm with minimal spillover.
How bright is DyLight 488?
DyLight 488 has a relative brightness of 2 out of 5.
How many antibodies are available conjugated to DyLight 488?
FluoroFinder tracks 1447 commercially available DyLight 488 conjugates, searchable by target, clone, host and application.