期刊
CHEMOSENSORS
卷 3, 期 2, 页码 118-128出版社
MDPI
DOI: 10.3390/chemosensors3020118
关键词
screen-printed electrodes; amperometric sensor; enzymatic biosensors; NADH; caffeic acid; carbon black; glycerol dehydrogenase; glycerol determination
资金
- Ateneo of Modena and Reggio Emilia
Screen-printed electrode (SPE) modified with carbon black nanoparticles (CB) has been tested as a new platform for the stable deposition of caffeic acid (CFA) on the electrode surface. The electrochemical performance from varying the amount of CFA/CB composite has been tested with respect to NADH determination. The electrocatalytic activity of CFA/CB has also been compared with that of SPEs modified by a single component of the coating, i.e., either CFA or CB. Finally, glycerol dehydrogenase, a typical NADH-dependent enzyme, was deposited on the CFA/CB coating in order to test the applicability of the sensor in glycerol determination.
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