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Fabrication of Fast and Sensitive Nanostructure Voltammetric Sensor for Determination of Curcumin in the Presence of Vitamin B 9 in Food Samples
Author(s) -
Cheraghi Somaye,
Taher Mohammad Ali,
KarimiMaleh Hassan
Publication year - 2016
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.201600252
Subject(s) - curcumin , detection limit , electrochemical gas sensor , chemistry , electrochemistry , bromide , nanostructure , electrode , linear range , nanoparticle , nuclear chemistry , inorganic chemistry , nanotechnology , materials science , chromatography , biochemistry
A novel voltammetric sensor was used for the determination of curcumin by using cadmium oxide nanoparticles‐ionic liquid (1,3‐dipropylimidazolium bromide as a binder) modified carbon paste electrode (CdO‐IL‐MCPE). At pH 7.0 as an optimum electrochemical condition, the oxidation signals for curcumin and vitamin B 9 are separated at ca. 0.41 and 0.73 V respectively; facilitating fast and sensitive analysis of curcumin in presence of vitamin B 9 . The oxidation signal of curcumin represented a linear relationship with the concentration of curcumin (R 2 =0.9981) in the range of 0.2–320.0 µM, with a detection limit of 0.08 µM.