Wearable Sensors

Normal-Direction Graded Hemispheres for Ionic Flexible Sensors with a Record-High Linearity in a Wide Working Range

“…Alongside the development in wearable sensors, 1 biochemical sensors, 2 flexible multimodal sensors, 3,4 and pressure sensors, 5 the manufacturing technology and fabrication process level of sensors and circuits on flexible films have witnessed significant improvement. 6−11 Among them, pressure sensors are particularly relevant to this advancement.…”

“…Alongside the development in wearable sensors, biochemical sensors, flexible multimodal sensors, , and pressure sensors, the manufacturing technology and fabrication process level of sensors and circuits on flexible films have witnessed significant improvement. − Among them, pressure sensors are particularly relevant to this advancement. − Capacitive flexible pressure sensors, commonly used in this field, possess advantages such as simple device structure, stable signal, and low energy consumption. , As a core parameter, the sensitivity has shown significant improvement in recent research. The ionic flexible pressure sensor (IFS) introduces the electronic double layer effect (EDL) at the dielectric (such as ionic nanofibrous or gel membranes) or electrode interface, − which greatly enhances sensitivity through the unique ultrahigh specific capacitance of the nanoscale ion–electron interface. − Innovative design of microstructures on the ion–electron interface is one of the most effective ways to enhance sensor performance, , offering a broad range of design options, including regularly raised peaks, , microcolumn arrays, dome-like structures, , and surface patterns formed by randomly distributed microstructures (molded using sandpaper or natural templates) , due to their higher compressibility compared to just one planar dielectric layers.…”

Copper Selenide Micro/Nanocrystals on Carbon Paper via Chemical Vapor Deposition Selenylation as Electrodes for Non-enzymatic Glucose Sensing

“…Noble metals, such as gold, palladium, platinum, and silver have been extensively employed as catalysts for glucose detection. , Nonetheless, their high cost, as well as contamination with reaction products limit their application . Alternatively, various earth-abundant and effective transition metals have been explored for the modification of electrode surfaces. , Among these, Cu-based catalysts have been extensively utilized for electrocatalytic glucose sensing owing to their abundant resources in the earth’s crust and exceptional inherent activities .…”

“…14 Noble metals, such as gold, palladium, platinum, and silver have been extensively employed as catalysts for glucose detection. 15,16 Nonetheless, their high cost, 17 as well as contamination with reaction products limit their application. 18 Alternatively, various earth-abundant and effective transition metals have been explored for the modification of electrode surfaces.…”

Ultrafast Response in Nonenzymatic Electrochemical Glucose Sensing with Ni(II)-MOFs by Dimensional Manipulation

“…Diseases with an excessive blood glucose level often lead to serious complications, such as premature death, amputation, and blindness. , Yet, treating diabetes based on current medical technology is still a daunting challenge, and diabetes accounts for approximately 11.3% of deaths worldwide . Therefore, monitoring the blood glucose level presents important significance for the prevention and control of diabetes. − …”