期刊
JOURNAL OF SOLID STATE ELECTROCHEMISTRY
卷 19, 期 6, 页码 1633-1641出版社
SPRINGER
DOI: 10.1007/s10008-015-2793-z
关键词
MoS2; CdSe; Chitosan; Composite; Electrochemiluminescence; Sensor
资金
- National Natural Science Foundation of China [21275006, 21471001, 20905001, 21071002, 21175001, 21271004]
A novel molybdenum sulfide-chitosan/CdSe quantum dots (MoS2-CS/CdSe QDs) composite was prepared by a facile liquid chemistry procedure. The composition and morphology of the composite as-prepared were characterized by a series of measurements. The electrode modified with MoS2-CS/CdSe QDs composite has excellent electrochemiluminescence (ECL) property that benefited from the synergistic effect of MoS2 nanosheets, CdSe QDs, and CS molecules. Based on strong and stable ECL emission, the electrode as-modified was used as ECL sensor for the detection of uric acid (UA) and the results show that the detection linear range for UA is from 0.10 to 140 nM with the detection limit of 0.040 nM. Depending on its good sensitivity and selectivity, this ECL sensor was successfully applied to determine uric acid in urine sample.
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