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Carbohydrate receptors on alveolar macrophages are attractive targets for receptor-mediated delivery of nanostructured therapeutics. In this study, we employed reversible addition fragmentation chain transfer polymerization to synthesize neoglycopolymers, consisting of mannose- and galactose methacrylate-based monomers copolymerized with cholesterol methacrylate for use in functional liposome studies. Glycopolymer-functional liposomes were employed to elucidate macrophage mannose receptor (CD206) and macrophage galactose-type lectin (CD301) targeting in both primary macrophage and immortal macrophage cell lines. Expression of CD206 and CD301 was observed to vary significantly between cell lines (murine alveolar macrophage, murine bone marrow-derived macrophage, RAW264.7, and MH-S), which has significant implications in in vitro targeting and uptake studies. Synthetic …