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Robust Mechanically Interlocked Network Ionogels.
Angew Chem Int Ed Engl
January 2025
Shanghai Jiao Tong University, School of Chemistry and Chemical Engineering, 800 Dongchuan Road, 200240, Shanghai, CHINA.
Ionogels have attracted considerable attention as versatile materials due to their unique ionic conductivity and thermal stability. However, relatively weak mechanical performance of many existing ionogels has hindered their broader application. Herein, we develop robust, tough, and impact-resistant mechanically interlocked network ionogels (IGMINs) by incorporating ion liquids with mechanical bonds that can dissipate energy while maintain structural stability.
View Article and Find Full Text PDFA lightweight prosthetic hand with 19-DOF dexterity and human-level functions.
Nat Commun
January 2025
Institute of Humanoid Robots, School of Engineering Science, University of Science and Technology of China, Hefei, 230026, China.
A human hand has 23-degree-of-freedom (DOF) dexterity for managing activities of daily living (ADLs). Current prosthetic hands, primarily driven by motors or pneumatic actuators, fall short in replicating human-level functions, primarily due to limited DOF. Here, we develop a lightweight prosthetic hand that possesses biomimetic 19-DOF dexterity by integrating 38 shape-memory alloy (SMA) actuators to precisely control five fingers and the wrist.
View Article and Find Full Text PDFOmnidirectional 3D Printing of PEDOT: PSS Aerogels with Tunable Electromechanical Performance: A Playground for Unconventional Stretchable Interconnects and Thermoelectrics.
Adv Sci (Weinh)
January 2025
Department of Materials Engineering, KU Leuven, Kasteelpark Arenberg 44, Leuven, 3001, Belgium.
The next generation of soft electronics will expand to the third dimension. This will require the integration of mechanically compliant 3D functional structures with stretchable materials. Here, omnidirectional direct ink writing (DIW) of poly(3,4-ethylenedioxythiophene): polystyrene sulfonate (PEDOT:PSS) aerogels with tunable electrical and mechanical performance is demonstrated, which can be integrated with soft substrates.
View Article and Find Full Text PDFAnalysis and optimization of threaded shear energy absorbing components of collision resistance hydraulic support columns.
Sci Rep
January 2025
College of Mechanical Engineering, Liaoning Technical University, Fuxin, 123000, China.
Conventional energy-absorbing components have limitations in terms of performance and functionality, including significant variability in reaction forces, inherent instability, and inadequate energy absorption capabilities. This paper presents a threaded shear-type energy-absorbing component designed for anti-impact hydraulic support columns, specifically for ZQL advancing support roadway hydraulic supports. The component operates based on the principle of threaded shear energy absorption.
View Article and Find Full Text PDFDiagnostic performance of shape-sensing robotic-assisted bronchoscopy for pleural-based and fissure-based pulmonary lesions.
Thorax
January 2025
Division of Pulmonary, Allergy, and Sleep Medicine, Mayo Clinic Florida, Jacksonville, Florida, USA.
Background: Sampling of peripheral pulmonary lesions (PPLs) abutting the pleura carries a higher risk of pneumothorax and complications. Although typically performed with image-guided transthoracic biopsy, the advent of shape-sensing robotic-assisted bronchoscopy (ssRAB) provides an alternative diagnostic procedure for this subtype of lesions.
Methods: A retrospective study on PPL attached to the peripheral pleura (PP), comprising costal and diaphragmatic pleura, mediastinal pleura (MP), and fissural pleura (FP) sampled by ssRAB, from January 2020 to December 2023.
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