V. A. Karagounis, C. C. Liu

Research output: Contribution to journalConference articlepeer-review


The introduction of polarography has a means for oxygen detection was the first successful quantification of dissolved oxygen in liquid mediums. The design of present oxygen sensors requires a large ratio of anode to cathode surface area to minimize the current density at the anode. This study was directed toward development of an electrochemical sensor that eliminates the need for a large ratio of anode to cathode surface area, thereby increasing the feasibility of fabricating miniature sensors suitable for medical applications. The improved sensor makes use of steady-state cyclic voltammograms at high scan rates. The resulting measurements are considerably less sensitive to flow fluctuation than are traditional measurements of limiting current.

Original languageEnglish
Pages (from-to)254
Number of pages1
JournalAnnual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings
StatePublished - 1984


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