Recent advancements in sampling, power management strategies and development in applications for non-invasive wearable electrochemical sensors
Journal
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
Journal Volume
907
Date Issued
2022
Author(s)
Abstract
Wearable electrochemical sensors that can detect chemical analytes non-invasively are a fast developing next-generation digital-health technology. Because of their excellent performance, intrinsic compactness, and low cost, electrochemical-based sensors are capable of detecting biomarkers through a non-invasive approach for the continuous monitoring of real-time health status, which holds a lot of potential as wearable sensors for a tremendous promise for a plethora of applications. These wearable electrochemical sensors have been incorporated into various materials systems and even directly on the epidermis for different monitoring purposes because of their unique potential to process chemical analytes in a minimal/non-invasive and non-obtrusive manner. With ongoing innovation and a focus on critical challenges, such minimal/non-invasive electrochemical biosensors are anticipated to open up a new exciting path in the field of wearable wireless sensing devices and body-sensor networks, and thus find abundant use in a wide range of personal healthcare monitoring as well as in sport and military applications. Hence, this review article examines current advancements and discoveries in the field of wearable biosensors, with a focus on a subset of these devices that can conduct very sensitive electrochemical analysis. Recent insights into novel sampling strategies, various electrochemical sensing mechanisms and power management techniques have been discussed in detail in this review article. Finally, present unmet challenges and opportunities in wearable electrochemical biosensors are explored to motivate future technological breakthroughs.
Subjects
Electrochemical sensors; Bio fluids; Power management; Self-powered system; Microneedles; Wearables; Non-invasive; IMPEDANCE SPECTROSCOPY; CONTACT-LENS; MOUTHGUARD BIOSENSOR; INTERSTITIAL FLUID; MONITORING-SYSTEM; URIC-ACID; GLUCOSE; VOLTAMMETRY; ELECTRODES; LACTATE
SDGs
Publisher
ELSEVIER SCIENCE SA
Type
journal article