What color is PE CY 7?
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Color of PE-CY7
PE-CY7, or Phycoerythrin-Cyanine7, is a tandem fluorochrome conjugate commonly used in fluorescence-based applications, particularly in flow cytometry. This dye combines the properties of Phycoerythrin (PE) and a Cyanine7 (CY7) molecule. The resulting conjugate exhibits unique absorption and emission characteristics due to the energy transfer from PE to CY7.
The color of PE-CY7 when excited is not visible to the human eye, as its emission peak is in the far-red to near-infrared spectrum, specifically around 778 nm. Materials that emit or fluoresce at these wavelengths are typically beyond the range of human vision, which generally extends from approximately 400 nm to 700 nm.
Key Characteristics:
- Excitation Maximum: 565 nm (PE component)
- Emission Maximum: 778 nm (CY7 component)
- Used in applications requiring deep tissue penetration due to its near-infrared emission.
Due to its emission characteristics, PE-CY7 is particularly valuable in biomedical research and diagnostic fields, enabling the detection of specific cells or molecules in complex biological systems.