Biomedical instrumentation BM8502
UNIT -1
BIOPOTENTIAL ELECTRODES
Syballus:
Origin of bio potential and its propagation. Electrode-electrolyte interface, electrode–skin interface, half
cell potential, Contact impedance, polarization effects of electrode – non polarizable electrodes. Types of
electrodes - surface, needle and micro electrodes and their equivalent circuits. Recording problems –
motion artifacts, measurement with two electrodes.
Notes
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