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Title: Intelligent and ultrasensitive analysis of mercury trace contaminants via plasmonic metamaterial-based surface-enhanced Raman spectroscopy
Authors: Cao, Cuong
Zhang, Jun
Li, Shuzhou
Xiong, Qihua
Keywords: DRNTU::Science::Physics
Issue Date: 2014
Source: Cao, C., Zhang, J., Li, S., & Xiong, Q. (2014). Intelligent and Ultrasensitive Analysis of Mercury Trace Contaminants via Plasmonic Metamaterial-Based Surface-Enhanced Raman Spectroscopy. Small, 10(16), 3252-3256.
Series/Report no.: Small
Abstract: Label-free molecular logic gates (AND, INHIBIT, and OR) are constructed based on specific conformation modulation of a guanine- and thymine-rich DNA, while the optical readout is enabled by the tunable metamaterials which serve as a substrate for surface enhanced Raman spectroscopy. The DNA logic is simple to operate, highly reproducible, and can be stimulated by ultra-low concentration of the external inputs, enabling an extremely sensitive detection of mercury ions down to 2 × 10−4 ppb.
ISSN: 1613-6810
DOI: 10.1002/smll.201400165
Rights: © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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