期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 131, 期 34, 页码 12082-+出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja905142q
关键词
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资金
- NSF [CHE 0840684]
- NIH [ROI EB002189]
- Deutsche Forschungsgemeinschaft [FL 384/7-1]
- Directorate For Engineering
- Div Of Chem, Bioeng, Env, & Transp Sys [0853375] Funding Source: National Science Foundation
A motion-based chemical sensing involving fuel-driven nanomotors is demonstrated. The new protocol relies on the use of an optical microscope for tracking changes in the speed of nanowire motors in the presence of the target analyte. Selective and sensitive measurements of trace silver ions are illustrated based on the dramatic and specific acceleration of bimetal nanowire motors in the presence of silver. Such nanomotor-based measurements would lead to a wide range of novel and powerful chemical and biological sensing protocols.
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