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Wireless, intraoral hybrid electronics for real-time quantification of sodium intake toward hypertension management.


ABSTRACT: Recent wearable devices offer portable monitoring of biopotentials, heart rate, or physical activity, allowing for active management of human health and wellness. Such systems can be inserted in the oral cavity for measuring food intake in regard to controlling eating behavior, directly related to diseases such as hypertension, diabetes, and obesity. However, existing devices using plastic circuit boards and rigid sensors are not ideal for oral insertion. A user-comfortable system for the oral cavity requires an ultrathin, low-profile, and soft electronic platform along with miniaturized sensors. Here, we introduce a stretchable hybrid electronic system that has an exceptionally small form factor, enabling a long-range wireless monitoring of sodium intake. Computational study of flexible mechanics and soft materials provides fundamental aspects of key design factors for a tissue-friendly configuration, incorporating a stretchable circuit and sensor. Analytical calculation and experimental study enables reliable wireless circuitry that accommodates dynamic mechanical stress. Systematic in vitro modeling characterizes the functionality of a sodium sensor in the electronics. In vivo demonstration with human subjects captures the device feasibility for real-time quantification of sodium intake, which can be used to manage hypertension.

SUBMITTER: Lee Y 

PROVIDER: S-EPMC6003521 | biostudies-literature | 2018 May

REPOSITORIES: biostudies-literature

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Wireless, intraoral hybrid electronics for real-time quantification of sodium intake toward hypertension management.

Lee Yongkuk Y   Howe Connor C   Mishra Saswat S   Lee Dong Sup DS   Mahmood Musa M   Piper Matthew M   Kim Youngbin Y   Tieu Katie K   Byun Hun-Soo HS   Coffey James P JP   Shayan Mahdis M   Chun Youngjae Y   Costanzo Richard M RM   Yeo Woon-Hong WH  

Proceedings of the National Academy of Sciences of the United States of America 20180507 21


Recent wearable devices offer portable monitoring of biopotentials, heart rate, or physical activity, allowing for active management of human health and wellness. Such systems can be inserted in the oral cavity for measuring food intake in regard to controlling eating behavior, directly related to diseases such as hypertension, diabetes, and obesity. However, existing devices using plastic circuit boards and rigid sensors are not ideal for oral insertion. A user-comfortable system for the oral c  ...[more]

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