Premium
Electropolymerization of Acid Chrome Blue K on Glassy Carbon Electrode for the Determination of Curcumin
Author(s) -
Peng Jinyun,
g Keliang,
Cen Lingping
Publication year - 2012
Publication title -
journal of the chinese chemical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.329
H-Index - 45
eISSN - 2192-6549
pISSN - 0009-4536
DOI - 10.1002/jccs.201200085
Subject(s) - chemistry , curcumin , dielectric spectroscopy , cyclic voltammetry , detection limit , electrode , electrochemistry , linear sweep voltammetry , glassy carbon , chemically modified electrode , linear range , nuclear chemistry , analytical chemistry (journal) , reference electrode , chromatography , biochemistry
Acid chrome blue K (ACBK) was electropolymerized on the surface of a glassy carbon electrode (GCE) by cyclic voltammetric sweep in the potential range from –0.2 to 0.9 V. The characteristic of poly‐ACBK film was studied by different methods such as electrochemical impedance spectroscopy (EIS) and cyclic voltammetry. This modified electrode showed excellent electrocatalytic response to curcumin with the increase of the electrochemical responses. Under the optimal conditions a good linear voltammetric response could be obtained over the range of 1.0 × 10 −7 ‐7.0 × 10 −5 M and the detection limit was got as 4.1 × 10 −8 M (S/N = 3). The method was successfully applied for the determination of curcumin in human urinev samples.