Cyanine 7 (Cy7) dye is a near-infrared fluorescent dye used in research and medical applications. With excitation and emission between 750-800 nm, Cy7 provides deep tissue imaging with minimal autofluorescence. It’s ideal for microscopy, flow cytometry, and in vivo imaging, offering high stability, bright fluorescence, and low toxicity.
Cyanine7 Dye
Cyanine 7 (Cy7) Dye: Spectral Properties and Applications
Cyanine 7 (Cy7) is a near-infrared fluorescent dye widely used in advanced imaging applications, including in vitro labeling and in vivo imaging. Its strong NIR absorbance and emission make it ideal for deep tissue imaging with minimal background interference.
Spectral Properties of Cyanine 7 (Cy7) Dye:
- Absorption Maximum: ~750 nm
- Emission Maximum: ~775 nm
- Stokes Shift: ~25 nm
- High Quantum Yield: Delivers bright and efficient fluorescence.
- Photostability: Resists photobleaching, providing reliable long-term imaging.
Applications of Cyanine 7 (Cy7) Dye:
- In Vivo Imaging: Ideal for deep tissue imaging with low background noise.
- Fluorescence Microscopy: Provides clear, high-resolution imaging of cellular structures.
- Flow Cytometry: Offers distinct signals for precise cell sorting and analysis.
- Molecular Probes: Used for labeling proteins, nucleic acids, and other biomolecules.
Cy7’s bright near-infrared fluorescence, excellent photostability, and low background make it a top choice for researchers needing reliable, deep tissue imaging in biological and biomedical applications.