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Thesis Defence: Development of Compact Optical Oxygen and Carbon Dioxide Gas Sensors for Portable Metabolic Analyzers

September 12, 2023 at 1:00 pm - 4:00 pm

Ezra Sebastian, supervised by Dr. Kenneth Chau, will defend their thesis titled “Development of Compact Optical Oxygen and Carbon Dioxide Gas Sensors for Portable Metabolic Analyzers” in partial fulfillment of the requirements for the degree of Master of Applied Science in Electrical Engineering.

An abstract for Ezra Sebastian’s thesis is included below.

Defences are open to all members of the campus community as well as the general public. Registration is not required for in person defences.


Metabolic analyzers measure oxygen (O_2) consumption and carbon dioxide (CO_2) production, which are imperative in the assessment of human physiology and overall health. In the case of respiratory illness such as COVID-19, the respiratory rate of patients is an important indicator for both potentially fatal states and determination of the corresponding life-saving treatments. Optical sensors have uniquely small form factors that allow for health monitoring outside of hospital or laboratory settings. The goal of this research is to explore simultaneous detection of O_2 gas and CO_2 at metabolically relevant concentrations using fluorescence quenching technology. This work is aimed to improve VO_2 Master’s face-worn portable metabolic analyzers.


September 12, 2023
1:00 pm - 4:00 pm


Engineering, Management, and Education Building (EME)
1137 Alumni Ave
Kelowna, BC V1V 1V7 Canada
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Additional Info

Room Number
Registration/RSVP Required
Event Type
Thesis Defence
Research and Innovation, Science, Technology and Engineering
Alumni, Community, Faculty, Staff, Families, Partners and Industry, Students, Postdoctoral Fellows and Research Associates