abberior STAR RED
Item number
STRED
Description
abberior STAR RED is a well-known red dye, named also KK114 in literature. It was developed for STED and confocal imaging in the red spectral region. It shows an exceptional brightness and low background, delivering stunning STED images. abberior STAR RED can be excited with lasers at wavelength between 630 - 650 nm. For STED, a depletion wavelength around 750 - 800 nm is recommended.abberior STAR RED can substitute dyes like ATTO® 647N, Alexa Fluor® 647, or Cy5®. Our abberior STAR RED is the ideal partner for abberior STAR ORANGE or abberior STAR 580 to obtain optimal 2 color STED results. Best results are obtained with freshly prepared samples.
Properties
Extinction Coefficient
120000
Fluorescence Lifetime
3.4
Correction Factor 260
0.16
Correction Factor 280
0.32
Photophysical properties were measured for carboxylic acid in PBS pH 7.4.