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(a) Chemically HA-conjugated liposome (HAL); (b) a representative component structure of HAL, e.g. HA-conjugated palmitoyl oleoyl phosphatidylglycerol (HA-POPE); (c) non-covalently HA modified polymeric nanoparticle; and (d) covalently HA modified polymeric nanoparticle.
