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Schematic representation of the structure of noncovalent poly(N-(2-hydroxypropyl)methacrylamide) (PHPMA)-based polymer/fluorescent dye complex. Oregon Green is the model cargo for delivery. The subscripts x and y represent the mole fractions of HPMA and peptide methacrylate repeat units in the final copolymers. Reproduced with permission from Ref. 68, Copyright 2010, American Chemical Society.
