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Gold electrodes were modified with silver nanoparticles and Ag/AgCl redox conversion was recorded by cyclic voltammetry in protein containing electrolyte solution. The charge of the reduction peak decreased with the increase of the total protein concentration. This correlation was better for solutions containing bovine serum albumin as a standard than for the samples of human saliva. The results of...
An electrochemical approach to determine protein concentration, based on affinity of silver ion to protein was examined. A solid silver electrode was oxidized and reduced in PBS solution containing bovine serum albumin, BSA. Electrochemically generated silver ions produce AgCl or a complex with BSA. Reduction of AgCl and Ag-protein complex proceed at different potential which enables determination...
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