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. Author manuscript; available in PMC: 2014 Jan 1.
Published in final edited form as: Integr Biol (Camb). 2013 Jan;5(1):10.1039/c2ib20109g. doi: 10.1039/c2ib20109g

Fig 1. Antibodies conjugated to pH-sensitive hydrogel microparticles maintain binding activity.

Fig 1

A) Synthesis of acid-sensitive crosslinker. B) Schematic of microparticle production, uptake by a cell, and release of cargo in the endosome. C) Conjugation efficiency of antibodies to particles. D) Fluorescein-HA peptide binding activity of MP HA compared to MP.