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2018 Abstracts

Measuring Oxygen Levels in Anoxic Environments Using a Microfluidic Device

Mariah Clayson; Maverik Shumway; Brian Anderson, Southern Utah University

Oxygen levels in water environments affect many aspects of the world around us. Fish require diffused oxygen to live, our pipes will corrode more easily if oxygen levels are too high, etc. For this reason, we have focused our research on fabricating a microfluidic device that is sensitive enough to measure small amounts of oxygen, is durable enough to be reused, and is cost effective. Our device can measure oxygen in anoxic environments (water that contains very low levels of oxygen) and is made out of PDMS, which is an extremely durable substance. We have based our design off of the STOX electrode which uses a double membrane set-up to measure oxygen levels. The STOX electrode is very expensive to make and is extremely fragile. We have successfully made a device and performed field tests.