ThiopheneSubstituted Porphyrins as Redox Mediators for Electrochemical Biosensors
Dr. Elizabeth Sanford, Hope College
Dr. Kenneth Brown, Hope College
Electrochemical biosensors are instruments that use molecular recognition components such as enzymes to selectively detect biomolecules through a mechanism involving the transduction of a signal from an electron transfer reaction. In such a system it is necessary for multiple layers of a device to communicate the electron transfer reaction from the layer in which it occurs to the electrode. For this communication to occur well, a redox mediator is typically needed between the enzyme layer and the electrode. This work describes the preparation of thiophene substituted porphyrins that are then polymerized on electrodes to provide a communication or redox mediation layer between an enzyme and electrode.
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