Title :
Vibration of Polarographic Oxygen Electrodes by Piezoelectric Elements: A Method of Reducing Flow Artifacts
Author_Institution :
Department of Chemical and Bioengineering, Arizona State University
Abstract :
A method of reducing fluid flow measurement artifacts associated with polarographic oxygen sensors is described which consists of mounting a miniature polarographic electrode on the end of a vibrating piezoelectric bender element. The electrode sensing area is vibrated at a high speed which causes a reduction in measurement error due to flow eddies in solution as well as greatly increasing the electrode sensitivity.
Keywords :
Biomedical electrodes; Biomembranes; Blood; Cathodes; Delay; Fluid flow measurement; Measurement errors; Oxygen; Particle measurements; Sensor phenomena and characterization; Biomedical Engineering; Electrodes; Oxygen; Polarography; Vibration;
Journal_Title :
Biomedical Engineering, IEEE Transactions on
DOI :
10.1109/TBME.1987.325989
