Loading the Dye Directory…

iFluor 350

iFluor® 350 (Ex-Max 345 nm/Em-Max 450 nm)

iFluor® 350 from AAT Bioquest is a fluorophore with an excitation peak at 345 nm and an emission peak at 450nm. It can be useful in both microscopy and flow cytometry. Spectrally, it is similar to Alexa Fluor™ 350 and AMCA.

Excitation & emission spectra

400450500550600650700750800

Key facts

Excitation maximum
345 nm
Emission maximum
450 nm
Optimal laser line
355
Optimal filter
450/50
Relative brightness
1 of 5
Extinction coefficient
20000
Quantum yield
0.95
Molecular weight
749.85

iFluor 350 has an excitation maximum at 345 nm and an emission maximum at 450 nm, a Stokes shift of 105 nm. Its extinction coefficient is 20000 M⁻¹cm⁻¹. It is optimally excited by the 355 laser line.

Frequently asked questions

What is iFluor 350?
iFluor® 350 from AAT Bioquest is a fluorophore with an excitation peak at 345 nm and an emission peak at 450nm. It can be useful in both microscopy and flow cytometry. Spectrally, it is similar to Alexa Fluor™ 350 and AMCA.
What laser excites iFluor 350?
iFluor 350 is optimally excited by the 355 laser line. Its excitation maximum is 345 nm.
What filter should I use to detect iFluor 350?
A 450/50 filter captures the peak of the iFluor 350 emission near 450 nm with minimal spillover.
How bright is iFluor 350?
iFluor 350 has a relative brightness of 1 out of 5 (quantum yield 0.95).