A highly sensitive non-enzymatic ascorbic acid electrochemical sensor based on polyoxometalate/Tris(2,2ˊ-bipyridine)ruthenium (II)/chitosan-palladium inorganic-organic self-assembled film
| Autor: | Haijun Pang, Kevin P. O’Halloran, Xinming Wang, Zhuanfang Zhang, Shaobin Li, Huiyuan Ma, Li Zhang, Lichao Tan |
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| Rok vydání: | 2021 |
| Předmět: |
Materials science
Nanocomposite chemistry.chemical_element 02 engineering and technology 010402 general chemistry 021001 nanoscience & nanotechnology Ascorbic acid 01 natural sciences Combinatorial chemistry 0104 chemical sciences Ruthenium Electrochemical gas sensor Chitosan chemistry.chemical_compound Bipyridine Colloid and Surface Chemistry chemistry Polyoxometalate 0210 nano-technology Palladium |
| Zdroj: | Colloids and Surfaces A: Physicochemical and Engineering Aspects. 614:126184 |
| ISSN: | 0927-7757 |
| DOI: | 10.1016/j.colsurfa.2021.126184 |
| Popis: | In this work, a highly sensitive non-enzymatic electrochemical sensor based on an inorganic-organic nanocomposite film consisting of H7P2Mo17V1O62 (P2Mo17V), Ru(bpy)3Cl2·6H2O (Ru(bpy)3) and chitosan-palladium (Cs-Pd) was constructed for the determination of ascorbic acid (AA). The non-enzymatic sensor has advantages such as simple preparation and operation, good reproducibility and superior sensitivity, which overcomes the drawbacks of enzyme-based sensors such as restricted immobilization and easy inactivation due to the combination of three active components in the new film presented here. The sensor displays excellent sensing performance for the detection of ascorbic acid with a fast response time ( |
| Databáze: | OpenAIRE |
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