Licking a Tootsie Roll Sensor To Monitor Your Health

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Tootsie Roll Sensor

An electrode made with a molded Tootsie Roll® and aluminum tubes can help monitor ovulation status and kidney health. Credit: Adapted from ACS Applied Materials & Interfaces 2021, DOI: 10.1021/acsami.1c11306

Single-use diagnostic tests often aren’t practical for health professionals or patients in resource-limited areas, where cost and waste disposal are big concerns. So, researchers reporting in ACS Applied Materials & Interfaces have turned to a surprising material, Tootsie Roll® candy, to develop an inexpensive and low-waste device. The candy was used as an electrode, the part of the sensor that detects salt and electrolyte levels in saliva, to monitor ovulation status or kidney health. 

Disposable test strips have advanced the speed and DOI: 10.1021/acsami.1c11306

The authors acknowledge funding from the National Research Foundation of Korea.

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