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StarBright UltraViolet 445

StarBright UltraViolet 445 (Ex-Max 345 nm/Em-Max 439 nm)

StarBright UltraViolet 445 (SBUV445) is a fluorescent polymer nanoparticle that has an excitation peak at 347 nm and an emission peak at 440 nm, making it spectrally unique for spectral flow cytometry. The StarBright family fluorophores from Bio-Rad offers an alternative to the Horizon Brilliant™ polymer series from BD Biosciences. StarBright UV 445 is spectrally unique.

Excitation & emission spectra

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Key facts

Excitation maximum
345 nm
Emission maximum
439 nm
Optimal laser line
320-355
Optimal filter
450/50
Relative brightness
2 of 5
Commercial antibodies
68 from 1 supplier

StarBright UltraViolet 445 has an excitation maximum at 345 nm and an emission maximum at 439 nm, a Stokes shift of 94 nm. It is optimally excited by the 320-355 laser line.

Frequently asked questions

What is StarBright UltraViolet 445?
StarBright UltraViolet 445 (SBUV445) is a fluorescent polymer nanoparticle that has an excitation peak at 347 nm and an emission peak at 440 nm, making it spectrally unique for spectral flow cytometry. The StarBright family fluorophores from Bio-Rad offers an alternative to the Horizon Brilliant™ polymer series from BD Biosciences. StarBright UV 445 is spectrally unique.
What laser excites StarBright UltraViolet 445?
StarBright UltraViolet 445 is optimally excited by the 320-355 laser line. Its excitation maximum is 345 nm.
What filter should I use to detect StarBright UltraViolet 445?
A 450/50 filter captures the peak of the StarBright UltraViolet 445 emission near 439 nm with minimal spillover.
How bright is StarBright UltraViolet 445?
StarBright UltraViolet 445 has a relative brightness of 2 out of 5.
How many antibodies are available conjugated to StarBright UltraViolet 445?
FluoroFinder tracks 68 commercially available StarBright UltraViolet 445 conjugates, searchable by target, clone, host and application.