Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 55, Issue 25, Pages 7095-7100Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201601427
Keywords
hierarchical structures; microcapsules; nanoconjugates; proteinosomes; release
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Funding
- Thousand Young Talent Program, NSFC [21474025, 21504020]
- Fundamental Research Funds for the Central Universities [HIT.NS-RIF. 201632]
- China Postdoctoral Science Foundation [2015M571400]
- European Research Council
- EPSRC [EP/L002957/1] Funding Source: UKRI
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A facile route to hierarchically organized multi-compartmentalized proteinosomes based on a recursive Pickering emulsion procedure using amphiphilic protein-polymer nanoconjugate building blocks is described. The number of incarcerated guest proteinosomes within a single host proteinosome is controlled, and enzymes and genetic polymers encapsulated within targeted subcompartments to produce chemically organized multi-tiered structures. Three types of spatiotemporal response-retarded concomitant release, synchronous release or hierarchical release of dextran and DNA-are demonstrated based on the sequential response of the host and guest membranes to attack by protease, or through variations in the positioning of disulfide-containing cross-links in either the host or guest proteinosomes integrated into the nested architectures. Overall, our studies provide a step towards the construction of hierarchically structured synthetic protocells with chemically and spatially integrated proto-organelles.
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