Preparation of yolk-shell structured copper oxide@silica oxide spheres and their application in high performance electrochemical sensing of Formoterol fumarate residues in swine feed and tissues.
Food Chem
; 190: 544-551, 2016 Jan 01.
Article
em En
| MEDLINE
| ID: mdl-26213008
ABSTRACT
In this paper, we report a facile route to synthesize yolk-shell structured copper oxide@silica oxide (CuO@SiO2) spheres and their application to construct an electrochemical Formoterol fumarate (FF) sensor. The CuO@SiO2 was characterized by means of Fourier transform infrared spectroscopy, X-ray powder diffraction, Raman spectroscopy, scanning electron microscopy, and transmission electron microscopy. Further, FF was electrocatalytically oxidized at the CuO@SiO2 film modified glassy carbon electrode (GCE), which led to a sensitive determination of FF. The oxidation current of FF was linear with concentration in the range of 0.030-10 µM and the detection limit was found to be 5.0 nM (S/N = 3). The observed analytical parameters such as wide linear range, low detection limit and short response time were superior to previously reported FF sensors. Finally, it was demonstrated that the proposed sensor could be used for the selective determination of FF present in swine feed and tissues.
Palavras-chave
Cimaterol (PubChem CID: 2755); Clorprenaline (PubChem CID: 2810); CuO; Cupric oxide (PubChem CID: 14829); Electrochemical sensor; Formoterol fumarate; Formoterol fumarate (PubChem CID: 45358055); Potassium ferricyanide (PubChem CID: 26250); Salbutamol (PubChem CID: 2083); SiO(2); Silicon dioxide (PubChem CID: 24261); Terbutaline (PubChem CID: 5403); ß-Adrenergic agonists
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Dióxido de Silício
/
Cobre
/
Microscopia Eletrônica de Transmissão
/
Fumarato de Formoterol
Limite:
Animals
Idioma:
En
Revista:
Food Chem
Ano de publicação:
2016
Tipo de documento:
Article