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Sequence-Controlled Polymerization-Induced Self-Assembly 序列控制聚合诱导的自组装

Figshare Pub Date : 2019-05-09 DOI: 10.1021/acsmacrolett.9b00305.s001

Lei Wang (6656), Yi Ding (172783), Qizhou Liu (6684293), Qingqing Zhao (551764), Xinchao Dai (6684296), Xinhua Lu (471075), Yuanli Cai (1483201)

{"title":"Sequence-Controlled Polymerization-Induced Self-Assembly","authors":"Lei Wang (6656), Yi Ding (172783), Qizhou Liu (6684293), Qingqing Zhao (551764), Xinchao Dai (6684296), Xinhua Lu (471075), Yuanli Cai (1483201)","doi":"10.1021/acsmacrolett.9b00305.s001","DOIUrl":"https://doi.org/10.1021/acsmacrolett.9b00305.s001","url":null,"abstract":"Wenherein present sequence-controlled polymerization-induced self-assemblyn(PISA) via photoswitchable reversible addition–fragmentationnchain transfer (RAFT) copolymerization of oppositely-charged monomersnusing polyethylene glycol chain transfer agent in water at 25 °C.nThorough block copolymerization leads to a polymerization-inducednelectrostatic self-assembly named ABC-mode polymerization-inducednelectrostatic self-assembly (PIESA), by which PEGylated (PEG, polyethylenenglycol) polyion complex (PIC) spheres, lamellae, and vesicles arenachieved. We demonstrate the inherent spontaneous zwitterionic alternatingncopolymerization nature, which leads to the charge-dictated alternatingnor gradient zwitterionic sequence. As such, we developed sequence-controllednsynthesis of nanostructured block-gradient zwitterionic terpolymernPICs via complete zwitterionic copolymerization starting from photoswitchednincomplete first polymerization, i.e., AB(BC)-mode PIESA. This sequence-controllednPISA method provides the unprecedented control of the low-dimensionalnpolyelectrolyte complex nanostructure involving not only shape butnalso size and thickness of micrometer-sized ultrathin PIC vesiclesnand lamellae, without necessarily changing the whole chemical compositionnand degree of polymerization.","PeriodicalId":523366,"journal":{"name":"Figshare","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147914717","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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