Annexin V-Cy5 Reagent

Detecting apoptosis in living cells by flow cytometry or fluorescence microscopy.

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Annexin V-Cy5 Reagent 1,000 assays

Annexin V-Cy5 Reagent 200 assays

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During apoptosis, phosphatidylserine (PS) is translocated from the cytoplasmic face of the plasma membrane to the cell surface. Annexin V has a strong, Ca2 -dependent affinity for PS and therefore is used as a probe for detecting apoptosis. Cy5 fluorescent dye produces an intense signal in the far-red region of the spectrum and therefore it is very useful for multiple labeling of cells with green and red colored fluorescent probes. Cy5 yields fluorescence with a λmax emission of 670 nm.