Advances in Skin-interfaced Wireless Physiological Monitoring Systems
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Wireless physiological monitoring has emerged as a transformative solution for continuous and non-invasiveassessment of vital signs in both clinical and non-clinical environments. Conventional wired monitoring systemsoften suffer from the bulkiness, usability, and restrictive applications only in hospital. Recent advances in flexible electronics,low-power wireless communication, and integrated multimodal sensing have significantly improved the functionality,wearability, and usability of wireless physiological monitoring devices. This review outlines recent technicaladvances in the wireless monitoring into five groups based on sensing mechanisms: a) thermoelectric sensors for corebody temperature, b) biopotential sensors for electrophysiology, c) optical sensors for photoplethysmography, d) electrochemicalsensors for sweat, blood, and interstitial fluid monitoring, and e) mechanical and acoustic sensors for unconventionalphysiological monitoring.
Abstract
Wireless physiological monitoring has emerged as a transformative solution for continuous and non-invasiveassessment of vital signs in both clinical and non-clinical environments. Conventional wired monitoring systemsoften suffer from the bulkiness, usability, and restrictive applications only in hospital. Recent advances in flexible electronics,low-power wireless communication, and integrated multimodal sensing have significantly improved the functionality,wearability, and usability of wireless physiological monitoring devices. This review outlines recent technicaladvances in the wireless monitoring into five groups based on sensing mechanisms: a) thermoelectric sensors for corebody temperature, b) biopotential sensors for electrophysiology, c) optical sensors for photoplethysmography, d) electrochemicalsensors for sweat, blood, and interstitial fluid monitoring, and e) mechanical and acoustic sensors for unconventionalphysiological monitoring.