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MicroPET comparison of the 68Ga-labeled CHX-A''-DTPA conjugate A and the 68Ga-labeled DOTA conjugate B in the same mouse. Both MIPs were recorded 2 h post injection. C MicroPET image (MIP) of the 68Ga-labeled CHX-A''-DTPA conjugate blocked with 100-fold excess of the non-labeled compound 2 h post injection. D Tumor uptake dynamics of the first 60 minutes post injection of the 68Ga-labeled conjugates coupled to DOTA and CHX-A''-DTPA.
