期刊
MICROCHIMICA ACTA
卷 187, 期 2, 页码 -出版社
SPRINGER WIEN
DOI: 10.1007/s00604-019-4073-6
关键词
Electrochemical sensor; Electrocatalytic activity; Hollow nanostructure; High sensitivity; Cyclic voltammetry; Good selectivity; Amperometric; Electron transport; Electrocatalytic oxidation; Human serum
资金
- Natural Science Foundation of Hebei Province [B2019206437, H2017206214]
- Chunyu Project Outstanding Youth Fund of Hebei Medical University [CYYQ201903]
- Undergraduate Innovation Project [USIP2019092]
- Education Department of Hebei Province of China [SLRC2017047]
The authors describe Ni-Co bimetal phosphide (NiCoP) nanocages that exhibit enhanced electrocatalytic performance toward glucose oxidation. The nanocages offer an appealing architecture, large specific area, and good accessibility for the analyte glucose. When placed on a glassy carbon electrode, the sensor exhibits attractive figures of merit for sensing glucose in 0.1 M NaOH solution including (a) a wide linear range (0.005-7 mM), (b) a low determination limit (0.36 mu M), (c) high sensitivity (6115 mu A center dot mu M-1 center dot cm(-2)), (d) a relatively low working potential (0.50 V vs. Ag/AgCl), and (e) good selectivity, reproducibility, and stability. The sensor is successfully applied to the determination of glucose in human serum samples.
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