期刊
JOURNAL OF THE IRANIAN CHEMICAL SOCIETY
卷 15, 期 12, 页码 2713-2720出版社
SPRINGER
DOI: 10.1007/s13738-018-1459-z
关键词
Poly(1-naphthylamine); Nanomanganese oxide; Graphite nanopowder; Molecularly imprinted nanocomposite; Electrochemical sensor; Azorubine
A new sensitive and selective molecularly imprinted electrochemical sensor was developed for Azorubine determination. This sensor was based on molecularly imprinted polymer composed of poly(1-naphthylamine), triphenylamine (as cross-linkers) and dispersed MnO2 nanorod particles on graphite nanopowders. The structure of the prepared nanocomposite was characterized by X-ray powder diffraction, energy-dispersive X-ray spectroscopy, field emission scanning electron microscopy, transmission electron microscopy and Fourier transform infrared spectroscopy. Calibration curve of the imprinted sensor was linear in the concentration range 1-12mgL(-1) with a detection limit of 0.57mgL(-1). The application of the sensor was checked by the determination of Azorubine in a water sample.
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