Flexible High-Frequency Underwater Transducer Based on Piezoelectric Composites. [PDF]
Micromachines (Basel)Zhou H, Zhong C, Qin L.
europepmc +1 more source
Advanced Science, EarlyView.To overcome severe signal oscillation under extreme impact conditions, this work presents a Sensing‐in‐Energy microdevice which integrates a MEMS inertial structure directly within a supercapacitor electrolyte cavity. Utilizing shock‐driven transient contact and electrolyte damping for signal self‐filtering, it achieves weak‐oscillation, large ...
Zhihao Zheng +7 more
wiley +1 more source
Printed Piezoelectric Materials: From Functional Inks to High-Performance Transducers. [PDF]
Sensors (Basel)Reis Carneiro M.
europepmc +1 more source
Advanced Science, EarlyView.A metasurface‐enabled ultrasonic platform achieves precise multi‐focal control through biological barriers, real‐time physiology‐driven modulation, and simultaneous wireless power and data transmission. By unifying wavefront engineering, closed‐loop feedback, and acoustic communication, this work establishes key enabling technologies toward scalable ...
Chuanxin Zhang +3 more
wiley +1 more source
A Novel Thickness-Mode Broadband Piezoelectric Ultrasonic Transducer Design Based on Double-Layer Piezoelectric Structure and a Variable-Thickness Matching Layer. [PDF]
Sensors (Basel)Wu Q, Geng A, Feng W, Yao M, Hu C.
europepmc +1 more source
A Piezo‐Mimetic Ionic Hydrogel Harnessing Joint Motion for Cartilage Repair
Advanced Science, EarlyView.A piezo‐mimetic ionic hydrogel converts mechanical deformation into bioactive ionic currents via stress‐induced asymmetric ion migration. Coupled with sustained Mg2+ release, this mechano‐electrochemical platform bridges mechanical loading and cellular signaling, enabling load‐adaptive stimulation and enhanced cartilage regeneration. ABSTRACT Articular
Chenyuan Gao +14 more
wiley +1 more source
Dynamic Modeling and Structural Optimization of a Partially Laminated Piezoelectric-Metal-Piezoelectric Actuator. [PDF]
Nanomaterials (Basel)Kuang X +5 more
europepmc +1 more source
Topologically Structured PLLA Fibers With Stress Concentration Effects for Health Monitoring
Advanced Science, EarlyView.In this study, a multi‐path strategy was developed to enhance the piezoelectric properties of PLLA fibers through the stress concentration effect. The optimized devices generate piezoelectric output up to 14 times that of pure PLLA fibers. This piezoelectric enhancement strategy offers a new approach for high‐performance piezoelectric devices, with ...
Longfei Li +8 more
wiley +1 more source
Design and Research of Intelligent Bearing Magnetic Coupling Piezoelectric-Triboelectric Composite Rotary Energy Harvester. [PDF]
Sensors (Basel)Wang H +5 more
europepmc +1 more source
Advanced Science, EarlyView.This study presents an ultrasound‐responsive nanoplatform, CS‐BT@MZ@NEs, with a BaTiO3/Mn‐Zif‐8 core and a chondroitin sulfate coating for Golgi targeting. By leveraging neutrophil hitchhiking, it enables targeted delivery to infection sites. Under ultrasound stimulation, CS‐BT@MZ@NEs generates ROS and modulates Golgi pH to activate cGAS–STING ...
Shicheng Huo +7 more
wiley +1 more source