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Issue 46, 2011
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Optical and electrochemical responses of an anthrax biomarker based on single-walled carbon nanotubes covalently loaded with terbium complexes

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Abstract

An effective single-walled carbon nanotube (SWNT) covalently loaded with unsaturated terbium emissive material was designed for specific and rapid (2–3 s) detection of calcium dipicolinate (CaDPA) (detection limit 1 μM). The nanoprobe was successfully assembled onto electrodes and its sensing abilities were investigated through electrochemical measurement. Cyclic voltammetry curves were selectively responsive to calcium dipicolinate compared with benzoic acid, o-phthalic acid and m-phthalic acid. This novel material provides dual opto-electrochemical recognition of the anthrax biomarker CaDPA.

Graphical abstract: Optical and electrochemical responses of an anthrax biomarker based on single-walled carbon nanotubes covalently loaded with terbium complexes

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Supplementary files

Article information


Submitted
21 Sep 2011
Accepted
14 Oct 2011
First published
26 Oct 2011

Chem. Commun., 2011,47, 12521-12523
Article type
Communication

Optical and electrochemical responses of an anthrax biomarker based on single-walled carbon nanotubes covalently loaded with terbium complexes

C. Tan, Q. Wang and C. C. Zhang, Chem. Commun., 2011, 47, 12521
DOI: 10.1039/C1CC15857K

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