Conference Proceedings · 2022

A Low-cost Fresnel Lens Fluorometer to Detect Fecal Contamination in Drinking Water in Realtime

Sanket Bohora, Kezheng Li, Prashant Waiba, Sishir Gautam, Augusto Martins, Ricardo A. Rodrigues,Peter Kikstra, Marcel van der Horst, Emiliano R. Martins, Thomas F. Krauss, and Ashim Dhakal

Presented in CLEO 2022 San Jose (AM5M.8)

We report the detection of tryptophan at sub-ppb levels for a fluorometer based on Fresnel lenses and low-cost electronics. These fluorometers can be used to detect fecal contamination in drinking water, indicated by tryptophan-like fluorescence.

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