Loading the Dye Directory…

Spark YG 570

Spark YG™ 570 (Ex-Max 555 nm/Em-Max 570 nm)

Spark YG™ 570 from Biolegend is a fluorophore designed for fluorescence microscopy with an excitation peak at 555 nm and an emission peak at 570 nm. This fluorophore is an alternative to Alexa Fluor™ 555 and Cy3.

Excitation & emission spectra

400450500550600650700750800

Key facts

Excitation maximum
555 nm
Emission maximum
570 nm
Optimal laser line
532
Optimal filter
585/42
Relative brightness
2 of 5
Molecular weight
1100
Commercial conjugates
16 from 2 suppliers

Spark YG 570 has an excitation maximum at 555 nm and an emission maximum at 570 nm, a Stokes shift of 15 nm. It is optimally excited by the 532 laser line.

Frequently asked questions

What is Spark YG 570?
Spark YG™ 570 from Biolegend is a fluorophore designed for fluorescence microscopy with an excitation peak at 555 nm and an emission peak at 570 nm. This fluorophore is an alternative to Alexa Fluor™ 555 and Cy3.
What laser excites Spark YG 570?
Spark YG 570 is optimally excited by the 532 laser line. Its excitation maximum is 555 nm.
What filter should I use to detect Spark YG 570?
A 585/42 filter captures the peak of the Spark YG 570 emission near 570 nm with minimal spillover.
How bright is Spark YG 570?
Spark YG 570 has a relative brightness of 2 out of 5.
How many antibodies are available conjugated to Spark YG 570?
FluoroFinder tracks 16 commercially available Spark YG 570 conjugates, searchable by target, clone, host and application.