期刊
CHEMICAL COMMUNICATIONS
卷 47, 期 7, 页码 1961-1975出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c0cc03133j
关键词
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资金
- Japan Science and Technology Agency
- MEXT
- Mitsubishi Chemical Corporation
- Technology Foundation
- Kansai Research Foundation for Technology Promotion
- Tokuyama Science Foundation
- Iketani Science Technology Foundation
- Sumitomo Foundation
We have exploited novel supramolecular wrapping techniques by helix-forming polysaccharides, beta-1,3-glucans, which have strong tendency to form regular helical structures on versatile nanomaterials in an induced-fit manner. This approach is totally different from that using the conventional interpolymer interactions seen in both natural and synthetic polymeric architectures, and therefore has potential to create novel polymeric architectures with diverse and unexpected functionalities. The wrapping by beta-1,3-glucans enforces the entrapped guest polymer to adopt helical or twisted conformations through the convergent interpolymer interactions. On the contrary, the wrapping by chemically modified semi-artificial beta-1,3-glucans can bestow the divergent self-assembling abilities on the entrapped guest polymer to create hierarchical polymeric architectures, where the polymer/beta-1,3-glucan composite acts as a huge one-dimensional building block. Based on the established wrapping strategy, we have further extended the wrapping techniques toward the creation of three-dimensional polymeric architectures, in which the polymer/beta-1,3-glucan composite behaves as a sort of amphiphilic block copolymers. The present wrapping system would open several paths to accelerate the development of the polymeric supramolecular assembly systems, giving the strong stimuli to the frontier of polysaccharide-based functional chemistry.
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