Abstract
ABSTRACT This paper reports a novel and biological compatible biosensor that was used to study the electrochemical behavior of horseradish peroxidase (HRP) incorporated in salt bridge-supported bilayer lipid membrane (Sb-BLM). The incorporation of HRP was achieved by electrostatic interaction between HRP and LA anion sites pre-incorporated in Sb-BLM, which result in the enhancement of the electron exchange between the protein and the electrode surface. A quasi-reversible electron transfer of HRP was observed even in the absence of mediators. The electrocatalytically kinetic behavior of HRP and the electrode-kinetic process were investigated with this biosensor. In the presence of hydrogen peroxide, the electrocatalytical activity of HRP was determined.
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