The Electrocatalytic Oxidation of Thymine at α‐Cyclodextrin Incorporated Carbon Nanotube‐Coated Electrode | Zendy

Wang Zonghua | Zendy; Wang Yiming | Zendy; Luo Guoan | Zendy

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The Electrocatalytic Oxidation of Thymine at α‐Cyclodextrin Incorporated Carbon Nanotube‐Coated Electrode

Author(s) -

Wang Zonghua,

Wang Yiming,

Luo Guoan

Publication year - 2003

Publication title -

electroanalysis

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.574

H-Index - 128

eISSN - 1521-4109

pISSN - 1040-0397

DOI - 10.1002/elan.200390137

Subject(s) - thymine , differential pulse voltammetry , detection limit , carbon nanotube , chemistry , cyclodextrin , titration , electrode , voltammetry , inorganic chemistry , supramolecular chemistry , cyclic voltammetry , nuclear chemistry , electrochemistry , materials science , organic chemistry , nanotechnology , chromatography , crystal structure , dna , biochemistry

Electrocatalytic oxidation of thymine at α‐cyclodextrin (α‐CD) incorporated carbon nanotube‐coated electrode (CNT/CE) was thoroughly studied in alkaline media. CNT showed an electrocatalytic effect on the oxidation of thymine, formation of a supramolecular inclusion complex between α‐CD and thymine at CNT/CE further enhanced the sensitivity to thymine. The electrocatalytic behavior was further developed as a sensitive detection scheme for thymine by differential pulse voltammetry. A linear calibration over the concentration range from 2.5×10 −5 to 1.8×10 −3 mol/L in pH 10.8 NaHCO 3 ‐Na 2 CO 3 buffer solution was obtained with a detection limit of 5×10 −6 mol/L.

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