STAR 635
STAR 635 (Ex-Max 640 nm/Em-Max 659 nm)
abberior STAR 635 is a dye developed for STED and confocal imaging in the red spectral region. It features exceptional photostability, very high brightness and low background labeling. abberior STAR 635 can be excited with lasers at wavelength between 630 - 650 nm. For STED, a depletion wavelength around 750 - 800 nm is recommended. Our abberior STAR 635 can substitute dyes like ATTO® 647N, Alexa Fluor® 647, or Cy5®. Best results are obtained with freshly prepared samples.
Excitation & emission spectra
Key facts
- Excitation maximum
- 640 nm
- Emission maximum
- 659 nm
- Optimal laser line
- 640
- Relative brightness
- 4 of 5
- Extinction coefficient
- 110000
STAR 635 has an excitation maximum at 640 nm and an emission maximum at 659 nm, a Stokes shift of 19 nm. Its extinction coefficient is 110000 M⁻¹cm⁻¹. It is optimally excited by the 640 laser line.
Frequently asked questions
- What is STAR 635?
- abberior STAR 635 is a dye developed for STED and confocal imaging in the red spectral region. It features exceptional photostability, very high brightness and low background labeling. abberior STAR 635 can be excited with lasers at wavelength between 630 - 650 nm. For STED, a depletion wavelength around 750 - 800 nm is recommended. Our abberior STAR 635 can substitute dyes like ATTO® 647N, Alexa Fluor® 647, or Cy5®. Best results are obtained with freshly prepared samples.
- What laser excites STAR 635?
- STAR 635 is optimally excited by the 640 laser line. Its excitation maximum is 640 nm.
- How bright is STAR 635?
- STAR 635 has a relative brightness of 4 out of 5.