Electrocatalytic Oxidation of L-cysteine by Adamantane Ester Schiff Base Nickel Complexes
Abstrak
A p-aldehyde benzoic acid adamantine ester (D1), 4-formyl benzoic acid adamantane ester shrinking o-aminophenol Schiff base (D2) and its nickel complexes (D3) were synthesized and characterized by thermogravimetric analysis, H1-NMR and UV-Vis spectrum. A glassy carbon electrode was chemically modified by adamantine esters Schiff base nickel complexes which was employed for determination of L-cysteine. The influences of the effective parameters such as the pH of supporting electrolyte, scanning rate and the time of maceration adsorption were investigated. The electrochemical responses to L-cysteine have a good linearity in the range of 0.01 and 0.08 mmol/L with the detection limit of 5.0 μmol/L. The recovery rate was between 97.88% and 101.96% with the relative standard deviation of 3.9%. Therefore, a new detection method for the L-cysteine content had been established in food based on Schiff base nickel complexes.
Topik & Kata Kunci
Penulis (9)
Hao Wang
Zheng Liu
Qiuqun Liang
Guo-Cheng Han
Peng Guo
Xinqiao Lao
Shufen Zhang
Zhencheng Chen
Ruosheng Zeng
Akses Cepat
- Tahun Terbit
- 2018
- Sumber Database
- DOAJ
- DOI
- 10.20964/2018.11.37
- Akses
- Open Access ✓