ATTO 647N
ATTO 647N (Ex-Max 644 nm/Em-Max 669 nm)
ATTO 647N from ATTO-Tec Gmbh has an excitation peak at 644 nm and an emission peak at 669 nm.
Excitation & emission spectra
Key facts
- Excitation maximum
- 644 nm
- Emission maximum
- 669 nm
- Optimal laser line
- 628-640
- Optimal filter
- 660/20
- Relative brightness
- 4 of 5
- Extinction coefficient
- 150000
- Quantum yield
- 0.65
- Molecular weight
- 771
- Commercial antibodies
- 78 from 10 suppliers
ATTO 647N has an excitation maximum at 644 nm and an emission maximum at 669 nm, a Stokes shift of 25 nm. Its extinction coefficient is 150000 M⁻¹cm⁻¹. It is optimally excited by the 628-640 laser line.
Frequently asked questions
- What is ATTO 647N?
- ATTO 647N from ATTO-Tec Gmbh has an excitation peak at 644 nm and an emission peak at 669 nm.
- What laser excites ATTO 647N?
- ATTO 647N is optimally excited by the 628-640 laser line. Its excitation maximum is 644 nm.
- What filter should I use to detect ATTO 647N?
- A 660/20 filter captures the peak of the ATTO 647N emission near 669 nm with minimal spillover.
- How bright is ATTO 647N?
- ATTO 647N has a relative brightness of 4 out of 5 (quantum yield 0.65).
- How many antibodies are available conjugated to ATTO 647N?
- FluoroFinder tracks 78 commercially available ATTO 647N conjugates, searchable by target, clone, host and application.