Fabrication of reusable sensor for detection of Cu2+ in an aqueous solution using a self-assembled monolayer with surface plasmon resonance spectroscopy
Literature Information
Publication Date
2005-06-15
DOI
10.1039/B504064G
Impact Factor
6.222
Authors
Taewook Kang, Surin Hong, Jungwoo Moon, Seogil Oh, Jongheop Yi
View Original
Abstract
The proposed procedure for recycling the sensor surface consists of (1) the self-assembly of 2-aminoethanethiol hydrochloride (AET) on the Au substrate, (2) the neutralization of zwitterion-like species, –NH3+Cl− to –NH2 by treatment with a NaOH solution (pH 11), (3) the detection of Cu2+ on the NaOH-treated AET–Au substrate, and finally (4) regeneration of the sensor surface from [–NH2 → Cu2+] to [–NH3+Cl−] by treatment with 1 M HCl.
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Source Journal
Chemical Communications
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