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Dome-Structure Array from Pre-Strained Extendable Mesh for Tactile Sensing Without Crosstalk and Lateral Strain Interference.
Small Methods
January 2025
School of Mechanical Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea.
Flexible tactile sensors have received significant attention for use in wearable applications such as robotics, human-machine interfaces, and health monitoring. However, conventional tactile sensors face challenges in accurately measuring pressure because vertical deformation is induced by Poisson's ratio in situations where lateral strain is applied. This study shows a strain-insensitive flexible tactile sensor array without the crosstalk effect using a highly stretchable mesh.
View Article and Find Full Text PDF3D printing of wearable sensors with strong stretchability for myoelectric rehabilitation.
Biomater Sci
January 2025
Department of Human Anatomy, School of Basic Medical Sciences Guangdong Medical University, 524000, Zhanjiang, China.
Myoelectric biofeedback (EMG-BF) is a widely recognized and effective method for treating movement disorders caused by impaired nerve function. However, existing EMG-feedback devices are almost entirely located in large medical centers, which greatly limits patient accessibility. To address this critical limitation, there is an urgent need to develop a portable, cost-effective, and real-time monitoring device that can transcend the existing barriers to the treatment of EMG-BF.
View Article and Find Full Text PDFWearable sensors with multiple functions are attracting significant attention due to their broad applications in health monitoring and human-computer interaction. Despite significant progress in wearable sensors, it is a significant challenge to monitor temperature and stress simultaneously with a single sensor. A wearable multifunctional optical sensor based on Er/Yb co-doped GdO nanoparticles and a tapered U-shaped fiber is proposed to monitor both temperature and stress in this paper.
View Article and Find Full Text PDFHighly sensitive, breathable, and superhydrophobic dome structure nonwoven-based flexible pressure sensor utilizing machine learning for handwriting recognition.
Int J Biol Macromol
January 2025
Shaoxing Key Laboratory of High Performance Fibers & Products, Shaoxing University, Shaoxing, Zhejiang 312000, China; Shaoxing Sub-center of National Engineering Research Center for Fiber-based Composites, Shaoxing University, Zhejiang, Shaoxing 312000, China; Key Laboratory of Clean Dyeing and Finishing Technology of Zhejiang Province, Shaoxing, Zhejiang 312000, China. Electronic address:
Wearable devices that incorporate flexible pressure sensors have shown great potential for human-machine interaction, speech recognition, health monitoring, and handwriting recognition.However, achieving high sensitivity, durability, wide detection range, and breathability through cost-effective fabrication remains challenging. Through ultrasound-assisted modification and impregnation-drying, dome-structured nonwovens/rGO/PDMS flexible pressure sensors were developed.
View Article and Find Full Text PDFHighly compressible lamellar graphene/cellulose/sodium alginate aerogel via bidirectional freeze-drying for flexible pressure sensor.
Int J Biol Macromol
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Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China; College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China. Electronic address:
Graphene exhibits exceptional electrical properties, and aerogels made from it demonstrate high sensitivity when used in sensors. However, traditional graphene aerogels have poor biocompatibility and sustainability, posing potential environmental and health risks. Moreover, the stacking of their internal structures results in low compressive strength and fatigue resistance, which limits their further applications.
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