Journal
BIOMACROMOLECULES
Volume 14, Issue 9, Pages 3223-3230Publisher
AMER CHEMICAL SOC
DOI: 10.1021/bm400858v
Keywords
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Funding
- KAKENHI of MEXT [24750218)]
- WPI Initiative of MEXT
- CREST program of JST
- University of Helsinki
- Academy of Finland [122534, 113317, 132150]
- Grants-in-Aid for Scientific Research [24750218] Funding Source: KAKEN
- Academy of Finland (AKA) [132150, 122534, 132150, 122534] Funding Source: Academy of Finland (AKA)
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In contrast to the success in artificial DNA- and peptide-based nanostructures, the ability of polysaccharides to self-assemble into one-, two-, and three-dimensional nanostructures are limited. Here, we describe a strategy for designing and fabricating nanorods using a regioselectively functionalized cellulose derivative at the air-water interface in a stepwise manner. A semisynthetic chlorophyll derivative, pyro-pheophorbide a, was partially introduced into the C-6 position of the cellulose backbone for the design of materials with specific optical properties. Remarkably, controlled formation of cellulose nanorods can be achieved, producing light-harvesting nanorods that display a larger bathochrornic shift than their solution counterparts. The results presented here demonstrate that the self-assembly of functionalized polysaccharides on surfaces could lead the nanostructures mimicking the naturally occurring chloroplasts.
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