Results 1 to 10 of about 606 (160)

Intraoperative Beat-to-Beat Pulse Transit Time (PTT) Monitoring via Non-Invasive Piezoelectric/Piezocapacitive Peripheral Sensors Can Predict Changes in Invasively Acquired Blood Pressure in High-Risk Surgical Patients [PDF]

Sensors, 2023
Background: Non-invasive tracking of beat-to-beat pulse transit time (PTT) via piezoelectric/piezocapacitive sensors (PES/PCS) may expand perioperative hemodynamic monitoring.
Michael Nordine, Marius Pille, Jan Kraemer, Christian Berger, Philipp Brandhorst, Philipp Kaeferstein, Roland Kopetsch, Niels Wessel, Ralf Felix Trauzeddel, Sascha Treskatsch   +9 more
doaj   +13 more sources

A Flexible Piezocapacitive Pressure Sensor with Microsphere-Array Electrodes [PDF]

Nanomaterials, 2023
Flexible pressure sensors that emulate the sensation and characteristics of natural skins are of great importance in wearable medical devices, intelligent robots, and human–machine interfaces.
Shu Ying, Jiean Li, Jinrong Huang, Jia-Han Zhang, Jing Zhang, Yongchang Jiang, Xidi Sun, Lijia Pan, Yi Shi   +8 more
doaj   +7 more sources

Piezoresistive, Piezocapacitive and Memcapacitive Silk Fibroin-Based Cement Mortars [PDF]

Sensors
Water-stable proteins may offer a new field of applications in smart materials for buildings and infrastructures where hydraulic reactions are involved. In this study, cement mortars modified through water-soluble silk fibroin (SF) are proposed.
Daniel A. Triana-Camacho, Antonella D’Alessandro, Silvia Bittolo Bon, Rocco Malaspina, Filippo Ubertini, Luca Valentini   +5 more
doaj   +9 more sources

Ultrafast piezocapacitive soft pressure sensors with over 10 kHz bandwidth via bonded microstructured interfaces [PDF]

Nature Communications
Flexible pressure sensors can convert mechanical stimuli to electrical signals to interact with the surroundings, mimicking the functionality of the human skins.
Yuan Zhang, Xiaomeng Zhou, Nian Zhang, Jiaqi Zhu, Ningning Bai, Xingyu Hou, Tao Sun, Gang Li, Lingyu Zhao, Yingchun Chen, Liu Wang, Chuan Fei Guo   +11 more
doaj   +7 more sources

High-Sensitivity and Wide-Range Flexible Ionic Piezocapacitive Pressure Sensors with Porous Hemisphere Array Electrodes [PDF]

Sensors
The development of high-performance flexible pressure sensors with porous hierarchical microstructures is limited by the complex and time-consuming preparation processes of porous hierarchical microstructures. In this study, a simple modified heat curing
Bang Wu, Weiguang Wu, Rui Ma, Haobing Chen, Yilin Zhao, Yunfan Li, Xiao Lei, Feng Liu   +7 more
doaj   +7 more sources

Fabric-like Electrospun PVAc-Graphene Nanofiber Webs as Wearable and Degradable Piezocapacitive Sensors. [PDF]

ACS Appl Mater Interfaces, 2023
Flexible piezocapacitive sensors utilizing nanomaterial–polymer composite-based nanofibrous membranes offer an attractive alternative to more traditional piezoelectric and piezoresistive wearable sensors owing to their ultralow powered nature, fast ...
Sengupta D, Lu L, Gomes DR, Jayawardhana B, Pei Y, Kottapalli AGP.   +5 more
europepmc   +6 more sources

Recent Development of Flexible Tactile Sensors and Their Applications [PDF]

Sensors, 2021
With the rapid development of society in recent decades, the wearable sensor has attracted attention for motion-based health care and artificial applications.
Trong-Danh Nguyen, Jun Seop Lee
doaj   +2 more sources

Review on Conductive Polymer/CNTs Nanocomposites Based Flexible and Stretchable Strain and Pressure Sensors [PDF]

Sensors, 2021
In the last decade, significant developments of flexible and stretchable force sensors have been witnessed in order to satisfy the demand of several applications in robotic, prosthetics, wearables and structural health monitoring bringing decisive ...
Olfa Kanoun, Ayda Bouhamed, Rajarajan Ramalingame, Jose Roberto Bautista-Quijano, Dhivakar Rajendran, Ammar Al-Hamry   +5 more
doaj   +2 more sources

Versatile self-assembled electrospun micropyramid arrays for high-performance on-skin devices with minimal sensory interference. [PDF]

Nat Commun, 2022
On-skin devices that show both high performance and imperceptibility are desired for physiological information detection, individual protection, and bioenergy conversion with minimal sensory interference. Herein, versatile electrospun micropyramid arrays
Zhang JH, Li Z, Xu J, Li J, Yan K, Cheng W, Xin M, Zhu T, Du J, Chen S, An X, Zhou Z, Cheng L, Ying S, Zhang J, Gao X, Zhang Q, Jia X, Shi Y, Pan L.   +19 more
europepmc   +2 more sources

Bio-Inspired SA-FA Bionic Dual Receptor Electronic Skin for Intelligent Gesture and Material Cognition Systems Enhanced by Static-Dynamic Mutual Interaction. [PDF]

Adv Sci (Weinh)
In this work, bionic dual receptor (BDR) e‐skin based on the iontronic and triboelectric effects is proposed, inspired by the slow‐adapting and fast‐adapting receptors. Motivated by intelligent software algorithms and high‐speed hardware circuits, the proposed intelligent autonomous material cognition system integrated with the EDB e‐skin can ...
Li H, Niu H, Kan H, Kim ES, Kim NY, Li Y.   +5 more
europepmc   +2 more sources