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Ding, Yi; Cai, Meng; Cui, Zhigang; Huang, Leilei; Wang, Lei; Lu, Xinhua; Cai, Yuanli
Angewandte Chemie International Edition, January 22, 2018, Letnik: 57, Številka: 4Journal Article
Nanostructured polyion complexes (PICs) are appealing in biomaterials applications. Yet, conventional assembly suffers from the weakness in scale‐up and reproducibility. Only a few low‐dimensional PICs are available to date. Herein we report an efficient and scalable strategy to prepare libraries of low‐dimensional PICs. It involves a visible‐light‐mediated RAFT polymerization of ionic monomer in the presence of a polyion of the opposite charge at 5–50 % w/w total solids concentration in water at 25 °C, namely, polymerization‐induced electrostatic self‐assembly (PIESA). A Vesicle, multi‐compartmental vesicle, and large‐area unilamellar nanofilm can be achieved in water. A long nanowire and porous nanofilm can be prepared in methanol/water. An unusual unimolecular polyion complex (uPIC)‐sphere‐branch/network‐film transition is reported. This green chemistry offers a general platform to prepare various low‐dimensional PICs with high reproducibility on a commercially viable scale under eco‐friendly conditions. Shape up: An efficient and scalable strategy allows the preparation of libraries of low‐dimensional polyion complexes. It proceeds via in situ polyion complexation in a visible‐light‐mediated polymerization‐induced electrostatic self‐assembly in water at 25 °C. A nanosphere, nanowire, large‐area nanofilm, porous nanofilm, vesicle, and multi‐compartmental vesicle can be prepared.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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