Increasing complexity and diversity of polymersomes and their compartments is a key issue for mimicking cellular functions and protocells. Thus, new challenges arise in terms of achieving tunable membrane permeability and combining it with control over the membrane diffusion process, and thus enabling a localized and dynamic control of functionality and docking possibilities within or on the surface of polymeric compartments. This study reports the concept of polymersomes with pH-tunable membrane permeability for controlling sequential docking and undocking processes of small molecules and nanometer-sized protein mimics selectively on the inside and outside of the polymersome membrane as a further step toward the design of intelligent multifunctional compartments for use in synthetic biology and as protocells. Host-guest interactions between adamantane and β-cyclodextrin as well as noncovalent interactions between poly(ethylene glycol) tails and β-cyclodextrin are used to achieve selective and dynamic functionalization of the inner and outer spheres of the polymersome membrane.
Front Cover: The cover image outlines the sequential docking and undocking processes of nanometer‐sized, β‐cyclodextrin‐modified protein mimics at the inner and outer side of polymersomes' membrane through non‐covalent interactions. Shear‐force stable and smart nanoobjects can be designed for various applications. Further details can be found in article number https://doi.org/10.1002/marc.201700486 by Brigitte Voit,* Dietmar Appelhans* and co‐workers.
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