Recent Developments in Wearable NEMS/MEMS-Based Smart Infrared Sensors for Healthcare Applications

Abstract

Incorporating nano-and microelectromechanical systems (NEMS/MEMS)-based sensors in clothing and developing more compact and flexible devices have gained popularity recently. NEMS/MEMS-based bolometers/sensors have gained significance due to their high sensitivity and accuracy in measuring physical parameters such as temperature, humidity, pressure, and infrared (IR) and ultraviolet (UV) radiations. When worn on the body, bolometers can be employed in various applications such as environmental monitoring or health tracking. This review highlights the progress of smart wearable bolometers as NEMS/ MEMS-based sensors in the healthcare industry. Instead of visiting multiple healthcare facilities or devices, now people can assess their health status by measuring body temperature, sensing motion, respiratory functioning, blood pressure, oxygen levels of the blood, and heart functioning by integrating these devices into fabriclike garments, socks, shoe insoles, wrist watches, and other pieces of clothing. The article concludes by describing their varied challenges and possible solutions and prospects.

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