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NL 557

NL 557 (Ex-Max 557 nm/Em-Max 574 nm)

NL 557 from Bio-Techne is a fluorophore with an excitation peak at 557 nm and an emission peak at 574 nm. It can be used in fluorescence microscopy.

Excitation & emission spectra

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Key facts

Excitation maximum
557 nm
Emission maximum
574 nm
Optimal laser line
561
Optimal filter
585/42
Relative brightness
2 of 5
Commercial conjugates
13 from 3 suppliers

NL 557 has an excitation maximum at 557 nm and an emission maximum at 574 nm, a Stokes shift of 17 nm. It is optimally excited by the 561 laser line.

Frequently asked questions

What is NL 557?
NL 557 from Bio-Techne is a fluorophore with an excitation peak at 557 nm and an emission peak at 574 nm. It can be used in fluorescence microscopy.
What laser excites NL 557?
NL 557 is optimally excited by the 561 laser line. Its excitation maximum is 557 nm.
What filter should I use to detect NL 557?
A 585/42 filter captures the peak of the NL 557 emission near 574 nm with minimal spillover.
How bright is NL 557?
NL 557 has a relative brightness of 2 out of 5.
How many antibodies are available conjugated to NL 557?
FluoroFinder tracks 13 commercially available NL 557 conjugates, searchable by target, clone, host and application.