期刊
NANOTECHNOLOGY
卷 20, 期 1, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0957-4484/20/1/015305
关键词
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资金
- Air Force Office of Scientific Research (US-AFOSR)
- UW-DURINT (Defense University Research Initiative on Nanotechnology) through the Army Research Office (US-ARO)
- GEMSEC (Genetically Engineered Materials Science and Engineering Center)
- Boeing-Johnson Foundation
- Center for Nanotechnology
- NSF
We have developed a protein-enabled strategy to fabricate quantum dot (QD) nanoarrays where up to a 15-fold increase in surface-plasmon-enhanced fluorescence has been achieved. This approach permits a comprehensive control both laterally (via lithographically defined gold nanoarrays) and vertically (via the QD-metal distance) of the collectively behaving assemblies of QDs and gold nanoarrays by way of biomolecular recognition. Specifically, we demonstrated the spectral tuning of plasmon resonant metal nanoarrays and self-assembly of protein-functionalized QDs in a stepwise fashion with a concomitant incremental increase in separation from the metal surface through biotin-streptavidin spacer units.
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