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eFluor 660

eFluor™ 660 (Ex-Max 633 nm/Em-Max 669 nm)

eFluor™ 660 (eF660) from Thermo Fisher Scientific has an excitation peak at 633 nm and an emission peak at 669 nm. It is useful in fluorescence microscopy and flow cytometry applications.

Excitation & emission spectra

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Key facts

Excitation maximum
633 nm
Emission maximum
669 nm
Optimal laser line
628-640
Optimal filter
660/20
Relative brightness
3 of 5
Commercial antibodies
342 from 3 suppliers

eFluor 660 has an excitation maximum at 633 nm and an emission maximum at 669 nm, a Stokes shift of 36 nm. It is optimally excited by the 628-640 laser line.

Frequently asked questions

What is eFluor 660?
eFluor™ 660 (eF660) from Thermo Fisher Scientific has an excitation peak at 633 nm and an emission peak at 669 nm. It is useful in fluorescence microscopy and flow cytometry applications.
What laser excites eFluor 660?
eFluor 660 is optimally excited by the 628-640 laser line. Its excitation maximum is 633 nm.
What filter should I use to detect eFluor 660?
A 660/20 filter captures the peak of the eFluor 660 emission near 669 nm with minimal spillover.
How bright is eFluor 660?
eFluor 660 has a relative brightness of 3 out of 5.
How many antibodies are available conjugated to eFluor 660?
FluoroFinder tracks 342 commercially available eFluor 660 conjugates, searchable by target, clone, host and application.