Fig. 1From: scFv biofunctionalized nanoparticles to effective and safe targeting of CEA-expressing colorectal cancer cells1H NMR analysis of the chemical conjugation between anti-CEA scFv and PLGA-PEG co-polymer.1H NMR characterization of PLGA-PEG-anti CEA scFv polymer: characteristic peaks of a, d glycolic acid, b lactic acid; c PEG and e anti-CEA scFv in the final PLGA-PEG—scFv polymer (right)Back to article page