RGD-PEG-Cy3

RGD-PEG-Cy3 is a targeted fluorescent probe combining a Cy3 dye, a tumor-homing RGD peptide, and a PEG linker. It is widely used for in vitro and in vivo imaging of tumor angiogenesis by binding to αvβ3/αvβ5 integrins, with applications in fluorescence microscopy and flow cytometry.