sulfo-Cyanine7

Sulfo-Cyanine7 Dye: Spectral Properties and Applications

Sulfo-Cyanine7 (Sulfo-Cy7) is a near-infrared, water-soluble fluorescent dye widely used in biological and biomedical research. It features strong NIR fluorescence, high photostability, and excellent water solubility due to its sulfonate groups. These properties make Sulfo-Cy7 an ideal choice for deep tissue imaging, bioconjugation, and labeling biomolecules like proteins and nucleic acids in aqueous environments.

Spectral Properties of Sulfo-Cyanine7 Dye:

• Absorption Maximum: ~750 nm
• Emission Maximum: ~773 nm
• Stokes Shift: ~23 nm
• High Quantum Yield: Provides bright and efficient NIR fluorescence.
• Enhanced Solubility: Sulfonate groups increase performance in water-based assays.

Applications of Sulfo-Cyanine7 Dye:

• In Vivo Imaging: Ideal for deep tissue imaging with minimal background noise.
• Fluorescence Microscopy: Enables high-resolution imaging of cells and tissues.
• Flow Cytometry: Offers distinct signals for precise cell sorting and analysis.
• Bioconjugation: Efficiently labels proteins, antibodies, and nucleic acids.
• Molecular Probes: Used in bioanalytical assays to study molecular interactions.

Sulfo-Cy7’s bright NIR fluorescence, excellent stability, and water solubility make it a valuable tool for advanced research applications in imaging, diagnostics, and biomolecule labeling.