BIOSENSOR DEVELOPMENT

One of the objectives of the lab is to design biosensors (or bioengineered microbes) that can safely detect pollutants in a wide diversity of environments. For this, we use a combination of synthetic biology and microbial physiology together with deep appreciation of the dynamic chemistry of the contaminant of interest.

As part of Martin Pothier's thesis (2020), we developed a portable spectrophotometer to measure the signal of a fluorescent biosensor that detects different arsenic species. This was made possible by Martin's hard work and the contribution and guidance of Eric Kitchen, an engineer extraordinaire who setup shop in our microbiology lab. Alex took the newly designed instrument to Cambodia to test its ability to function in the field. The slides provided here present the first phase of this on-going adventure.

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