Abstract
A new self-assembled multilayer architecture was constructed by successive deposition of poly(4-vinylpyridine) partially quaternized with ethylamine (B) and Keggin trilacunary polyoxomolybdate [Aα-PFe III3 (H2O)3Mo9O37]6− (PFe3Mo9) on the Au electrode surface, covered with 3-mercapto-1-propanesulfonic acid (MPS). Surface plasmon resonance and cyclic voltammetry measurements were performed at Au/MPS/B/PFe3Mo9/B interface in order to investigate the structure and the electrochemical behavior of this electrode. Due to the presence of PFe3Mo9, the Au/MPS/B/PFe3Mo9/B-modified electrode showed electrocatalytic activity towards H2O2 amperometric detection. Additionally, when GOx was deposited as the outermost layer on the abovementioned multilayer structure, the Au/MPS/B/PFe3Mo9/B/GOx-modified electrode was able to detect glucose.
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Authors gratefully acknowledge the financial support of CNCSIS–UEFISCSU (project PNII-ID-PCCE-129/2008).
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Turdean, G., Popescu, I.C. Self-assembled architecture based on triiron-substituted polyoxomolybdate anion and positively charged polymer. J Solid State Electrochem 16, 681–687 (2012). https://doi.org/10.1007/s10008-011-1385-9
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DOI: https://doi.org/10.1007/s10008-011-1385-9