In vitro Observation of Direct Electron Transfer of Human Haemoglobin Molecules on glass/tin-doped Indium Oxide Electrodes
DOI:
https://doi.org/10.29356/jmcs.v59i4.87Keywords:
Cyclic voltammetry, direct-electron-transfer, human hae-moglobin, tin-doped indium oxide electrode, surface electron transfer rate constant.Abstract
Electron transfer properties of the haem (FeIII/FeII) redox center, in human haemoglobin molecules, were investigated, in vitro, on glass/tin-doped indium oxide electrodes. The total surface concentration of electrochemically active haemoglobin molecules corres-ponded to a single protein monolayer. In addition, anodic and cathodic peak currents changed in direct proportion with the scan rate, sugges-ting a surface-controlled electrode process.
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