MIPdatabase
Authors: Zhang J, Hu JH, Wu DT, Ma JF, Tao YX, Qin Y, Kong Y
Article Title: Multi-templates based molecularly imprinted sodium alginate/MnO2 for simultaneous enantiorecognition of lysine, alanine and cysteine isomers.
Publication date: 2019
Journal: International Journal of Biological Macromolecules
Volume: 129
Page numbers: 786-791.
DOI: 10.1016/j.ijbiomac.2019.02.095
Alternative URL: https://www.sciencedirect.com/science/article/pii/S0141813018373963
Abstract: Sodium alginate (SA) was electrodeposited onto the surface of a glassy carbon electrode (GCE), and then l-lysine (l-Lys), l-alanine (l-Ala) and l-cysteine (l-Cys) were simultaneously introduced to the surface of SA via electrostatic attractions. γ-MnO2 film was deposited potentiostatically onto the multi-templates immobilized SA from an aqueous mixture of K2SO4 and MnSO4. The templates of l-Lys, l-Ala and l-Cys were then oxidized and removed by cyclic voltammetry (CV) while maintaining the crystalline structures of SA and MnO2. Finally, the molecularly imprinted SA/MnO2 was successfully applied in the simultaneous recognition of the isomers of Lys, Ala and Cys by differential pulse voltammetry (DPV). This work opens a new avenue in the construction of SA-based multi-templates molecularly imprinted systems for electrochemical simultaneous recognition of the isomers of several chiral amino acids
Template and target information: l-lysine, l-Lys, l-alanine, l-Ala, l-cysteine, l-Cys
Author keywords: Multi-templates, molecular imprinting, sodium alginate, MnO, Simultaneous enantiorecognition
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