ECE_3820_lecture_12_2011

ECE_3820_lecture_12_2011 - Biopotential Electrodes(1...

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Biopotential Electrodes(1) ECE3820: Principles and Practice of Biomedical Engineering Presented by: Huda Asfour
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Outline Function of Biopotential Electrodes Electrode-Electrolyte interface Electrode Potential Polarizable vs. Non-Polarizable Electrodes Electrode Equivalent Circuit Electrode skin interface Motion Artifacts
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Functions of Biopotential Electrodes Interface between body and electronic measuring apparatus. (Electrochemistry) Transducing function: Current in body: Ionic Current in wire: electronic How is the current that flows in the body different than the current flowing in the building wires?
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