PFAS sensor prototype
The prototypical device. An electrode (the three dark prongs on the white strip) is screen-printed on fabric strips, the same way that an illustration might be printed onto a T-shirt, and coated with molecularly imprinted polymers (MIPs) that bind specifically to either PFOS or PFOA. This strip is then inserted into a potentiostat (the black dongle, which measures electrical current), which is plugged directly into a smartphone that can take the PFAS measurement.
Date:
28 October 2026
Credit:
Andrew Scott & Jeff Prine/OIST
Copyright OIST (Okinawa Institute of Science and Technology Graduate University, 沖縄科学技術大学院大学). Creative Commons Attribution 4.0 International License (CC BY 4.0).
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