Abstract
A bis-boronic acid modified electrode for the sensitive and selective determination of glucose concentrations has been developed. The electrochemical characteristics of the sensor with added saccharides were investigated using cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS). The bis-boronic acid modified electrode was both sensitive and selective for glucose.
Highlights
Saccharides such as D-glucose and D-fructose are important dietary sources of energy from natural carbohydrate sources and are used as processed food additives
Analyst synthesis of which can be found in the Electronic supplementary information (ESI).† The selectivity of the sensors towards glucose, fructose, galactose and mannose was evaluated using cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS)
Paper the bis-boronic acid is immobilised on the gold electrode in a similar con guration to that depicted in Scheme 2
Summary
Saccharides such as D-glucose and D-fructose are important dietary sources of energy from natural carbohydrate sources and are used as processed food additives (high fructose corn syrup). An electrochemical sensor for saccharides has been prepared by surface modi cation of a gold electrode with a bis-boronic acid receptor.
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