Results 61 to 70 of about 3,271 (259)

Anti‐Slip Material‐Based Strategies and Approaches

Advanced Materials Technologies, EarlyView.
This review highlights the principle mechanisms of slipping at the microscale, linking contact mechanics with a friction behavior model for surface interfaces. Main strategies to develop anti‐slip properties to the surfaces are discussed alongside standardized testing approaches.
Sogand Abbaspoor‐Zanjani, Carlo Antonini, Teresa Gatti, Mengjiao Wang   +3 more
wiley   +1 more source

Recent Advances in Variable‐Stiffness Robotic Systems Enabled by Phase‐Change Materials

Advanced Robotics Research, EarlyView.
Phase‐change materials (PCMs), such as shape memory alloys, hydrogels, shape memory polymers, liquid crystal elastomers, and low‐melting‐point alloys, are driving advancements in stiffness‐tunable robotic systems across a wide range of applications. This review highlights recent progress in PCM‐enabled robotics, focusing on their underlying mechanisms,
Sukrit Gaira, Liao Wu, Ming Li, Priyank Kumar, Xiaopeng Li, Shi‐Yang Tang   +5 more
wiley   +1 more source

Collision‐Resilient Winged Drones Enabled by Tensegrity Structures

Advanced Robotics Research, EarlyView.
Based on structures of birds such as the woodpeck, this article presents the collision‐resilient aerial robot, SWIFT. SWIFT leverages tensegrity structures in the fuselage and wings which allow it to undergo large deformations in a crash, without sustaining damage. Experiments show that SWIFT can reduce impact forces by 70% over conventional structures.
Omar Aloui, Raphael Zufferey, William Stewart, Mohammad Askari, Simon Jeger, Dario Floreano   +5 more
wiley   +1 more source

Cross‐Scale Hierarchical Targeted Delivery System Based on Small‐Scale Magnetic Robots

Advanced Robotics Research, EarlyView.
This article reviews a cross‐scale hierarchical targeted delivery system that integrates magnetic continuum robots and magnetic microrobots. By combining rapid long‐range navigation with precise microscale targeting, the system overcomes key limitations of single‐scale approaches.
Junjian Zhou, Zhiqiang Chen, Yuanbiao Ma, Zhiqiang Tang, Qianqian Wang   +4 more
wiley   +1 more source

Intertidal Warfare: Synergistic Allelopathy Mediates Spatial Competition between Two Marine Calcareous‐Shelled Sessile Organisms

Advanced Science, EarlyView.
This study reveals a hidden chemical weapon among calcareous‐shelled sessile organisms in the intertidal zone: the barnacle Balanus albicostatus releases a synergistic blend of palmitic acid and 1‐palmitoyl‐sn‐glycero‐3‐phosphocholine as the allelochemical with the inhibitory activity against attachment of the mussel Vignadula atrata, which may mediate
Zhuo Li, Zixin Huo, Shanshan Yao, Xianmeng Liang, Yiran Zhao, Yanxin Wang, Shifeng Guo, Caihuan Ke, Pei Su, Danqing Feng   +9 more
wiley   +1 more source

Antiemesis Corticosteroids Potentiate Checkpoint Blockade Efficacy by Normalizing the Immune Microenvironment in Metastatic Murine Breast Cancer

Advanced Science, EarlyView.
Corticosteroids improve the efficacy of immune checkpoint blockade therapy in metastatic murine breast cancer. By normalizing the tumor immune microenvironment, corticosteroids reduce immunosuppressive signals, restore T‐cell function, and promote antitumor immune responses, resulting in enhanced tumor control.
John D. Martin, Koji Nagaoka, Myrofora Panagi, Akihiro Hosoi, Fotios Mpkeris, Pengwen Chen, Thahomina T. Khan, Margaret R. Martin, Changbo Sun, Chrysovalantis Voutouri, Maria Louca, Panagiotis Papageorgis, Akira Sumiyoshi, Nobuhiro Nitta, Kazuyoshi Takeda, Ichio Aoki, Kazunori Kataoka, Triantafyllos Stylianopoulos, Kazuhiro Kakimi, Horacio Cabral   +19 more
wiley   +1 more source

Study of the Critical Speed of Ultra-High-Speed Diamond Drilling Technology in Marble

Applied Sciences
In order to effectively improve the drilling speed in deep hard rock and save drilling costs, this study explores the transformation mechanism and critical velocity range of ultra-high-speed diamond drilling technology on rock breaking effect, using ...
Yuxiao Li, Kai Zhang, Yue Wang
doaj   +1 more source

Ferromagnetic Interlayer Exchange Coupling in Magnetic Topological Insulator Sandwich Heterostructures

Advanced Science, EarlyView.
A thin topological insulator (Bi2Te3) inserted between two single magnetic septuple layers of MnBi2Te4 is shown to convert the intrinsic antiferromagnetic interlayer coupling into robust ferromagnetism. As the Bi2Te3 spacer thickness increases from 1 to 4 quintuple layers, the weakening coercivity, Curie temperature, and interlayer coupling reveal ...
Enayet Hossain, Grace L. Causer, Qile Li, Sergey Rubanov, Kaijian Xing, James Blyth, Mohammad T. H. Bhuiyan, Mengting Zhao, Matthew Gebert, Michael S. Fuhrer, Mark T. Edmonds   +10 more
wiley   +1 more source

Rock Breaking Mechanism and Experimental Study of Axe-shaped PDC Cutter

Shiyou jixie, 2022
Axe-shaped PDC cutter has more obvious rock breaking advantage than conventional PDC cutter. In order to analyze the rock breaking mechanism of the axe-shaped PDC cutter, the finite element simulation and test were used to conduct comparison and force ...
Zou Deyong, Pan Long, Cui Yudong, Xu Jianfei   +3 more
doaj  

Stepwise Regulation of Cellular Oxidative Stress via Conductive‐Piezoelectric Integrated Microstructured Conduits for Enhanced Nerve Regeneration

Advanced Science, EarlyView.
This study presents a conductive‐piezoelectric integrated microstructured conduit for peripheral nerve regeneration. The conduit combines reduced graphene oxide with a piezoelectric nanofiber membrane, enhancing nerve repair through physical guidance, oxidative stress inhibition, and ultrasound‐activated electrical stimulation.
Dong Zhou, Mengxuan Bian, Lingyu Wei, Binghuang Yao, Qi Chen, Lan Xiao, Jing He, Jian Zhang, Yulin Li, Libo Jiang   +9 more
wiley   +1 more source