期刊
NANOSCALE ADVANCES
卷 2, 期 9, 页码 3798-3803出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0na00315h
关键词
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资金
- JSPS KAKENHI [18H01804, 19H00845, 19H05627]
- Noguchi Institute
- JGC-S scholarship foundation
- Dynamic Alliance for Open Innovation Bridging Human, Environment and Materials from the Ministry of Education, Culture, Sports, Science and Technology of Japan (MEXT)
- Nanotechnology Platform Program of the Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan
- MEXT under the Support Program for Implementation of New Equipment Sharing System
- Photoexcitonix Project in Hokkaido University
- Grants-in-Aid for Scientific Research [19H00845, 18H01804] Funding Source: KAKEN
Nanoparticles exhibit a number of unique properties such as localized surface plasmon resonance (LSPR). As this LSPR is sensitive to geometrical or spatial conditions, the arrangement of nanoparticles, in particular the active arrangement of plasmonic structures, is an important issue. In this study, gold nanorod (GNR) arrays were prepared by GNR attachment on anionic polymer (DNA) brushes via electrostatic interactions and their stimuli-responsive changes in orientationwere investigated. As a result, the orientation of GNR arrays on DNA brushes reversibly changed by the modulation of electrostatic interactions between GNRs and polymers via changes in the solution pH. As these extensive GNR arrays are prepared via easy bottom-up processes, GNR surface properties are easily tuned by simple modification, and DNAs could be replaced with various synthetic polymers, we believe that this study will lead to the development of nextgeneration materials and devices with actively tunable structures.
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