Ferrocene-boronic acid–fructose binding based on dual-plate generator–collector voltammetry and square-wave voltammetry

Meng Li, Su-Ying Xu, Andrew Gross, Jules Hammond, Pedro Estrela, James Weber, Karel Lacina, Tony James, Frank Marken

Research output: Contribution to journalArticle

6 Citations (Scopus)
110 Downloads (Pure)

Abstract

The interaction of ferrocene-boronic acid with fructose is investigated in aqueous 0.1 M phosphate buffer at pH 7, 8 and 9. Two voltammetric methods, based on 1) a dual-plate generator–collector micro-trench electrode (steady state) and 2) a square-wave voltammetry (transient) method, are applied and compared in terms of mechanistic resolution. A combination of experimental data is employed to obtain new insights into the binding rates and the cumulative binding constants for both the reduced ferrocene-boronic acid (pH dependent and weakly binding) and for the oxidised ferrocene-boronic acid (pH independent and strongly binding).
Original languageEnglish
Pages (from-to)867-871
Number of pages5
JournalChemElectroChem
Volume2
Issue number6
Early online date25 Feb 2015
DOIs
Publication statusPublished - 10 Jun 2015

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