Magnetic Torque‐Driven All‐Terrain Microrobots DOI
Qiong Wang, Zhuhua Zhang,

WU Yu-hua

et al.

Small, Journal Year: 2024, Volume and Issue: 20(48)

Published: Sept. 10, 2024

Abstract All‐terrain microrobots possess significant potential in modern medical applications due to their superior maneuverability complex terrains and confined spaces. However, conventional often struggle with adaptability operational difficulties variable environments. This study introduces a magnetic torque‐driven all‐terrain multiped microrobot (MTMR) address these challenges. By coupling the structure's multiple symmetries different uniform fields, such as rotating oscillating MTMR demonstrates various locomotion modes, including rolling, tumbling, walking, jumping, combinations. Experimental results indicate that robot can navigate diverse terrains, flat surfaces, steep slopes (up 75°), gaps over twice its body height. Additionally, performs well spaces, capable of passing through slits (0.1 length) low tunnels (0.25 length). The shows for clinical like minimally invasive hemostasis internal bleeding thrombus removal from blood vessels accurate cargo manipulation capability. Moreover, carry temperature sensors monitor environmental changes real time while simultaneously manipulating objects, displaying in‐situ sensing parallel task implementation. technology notable versatility, providing solid foundation practical interventional medicine.

Language: Английский

Design, Control, and Clinical Applications of Magnetic Actuation Systems: Challenges and Opportunities DOI Creative Commons
Yingxin Huo, Lidong Yang, Tiantian Xu

et al.

Advanced Intelligent Systems, Journal Year: 2024, Volume and Issue: unknown

Published: Aug. 11, 2024

The enhancement of medical services relies significantly on engineering research. Magnetic actuation systems (MASs) are designed to be safe for biomedical applications and offer long‐distance dynamic control capabilities, rendering them highly favorable clinical applications. integration MASs with sophisticated perception positioning methods enhances their suitability Achieving this goal hinges the development methods; thus, a comprehensive review current technical scientific issues is indispensable addressing related challenges. This encompasses both classical state‐of‐the‐art research, providing readers thorough understanding intricacies involved in MAS design, system methods, applications, guidance toward next phase exploration. In addition, detailed illustration underlying principles magnetic method provided, which helps delineate design principles. A analysis potential hard‐to‐reach environments inside human body provides interdisciplinary researchers. Challenges opportunities associated application summarized inspire researchers stimulate innovative explorations. Finally, concludes that sustained research field has yield groundbreaking advancements capable revolutionizing modern medicine.

Language: Английский

Citations

9
Magnetically driven bionic nanorobots enhance chemotherapeutic efficacy and the tumor immune response via precise targeting DOI Creative Commons
Zhijie Wang, Chutian Wang, Ying Ji

et al.

The Innovation, Journal Year: 2025, Volume and Issue: 6(2), P. 100777 - 100777

Published: Jan. 18, 2025

We developed magnetically driven bionic drug-loaded nanorobots (MDNs) to accurately target tumors and deliver chemotherapy agents using a customized three-dimensional (3D) magnetic manipulation platform (MMP) system precisely control their movement mode. MDNs were based on polyethylene glycol-modified homogeneous ultrasmall iron oxide nanoparticles (7.02 ± 0.18 nm). Doxorubicin (12% 2% [w/w]) was encapsulated in by an imide bond. could imitate the mode of school wild herrings (e.g., re-dispersion/arrangement/vortex/directional movement) adapt changing complex physiological environment through 3D MMP system. overcame blood flow resistance biological barriers optimized driving properties according vivo imaging (magnetic resonance fluorescence) histopathology. The performance fabricated verified cells tumor-bearing mouse models. showed high efficiency drug delivery targeting at tumor site (>10-fold), lower toxicity than free doxorubicin (5 mg/kg body weight), activated immune response site, significantly lengthened survival for mice. synergistic interaction between underscores immense potential this system, indicating revolution field chemotherapy.

Language: Английский

Citations

1
Review on the 3D printing technology and application of magnetic materials: Material-Process-Structure-Application DOI
Haorui Zhai, Xiaodong Li, Shuzhou Yu

et al.

Composites Part B Engineering, Journal Year: 2025, Volume and Issue: unknown, P. 112387 - 112387

Published: March 1, 2025

Language: Английский

Citations

1
A review of bioinspired dry adhesives: from achieving strong adhesion to realizing switchable adhesion DOI Creative Commons
Jinsheng Zhao, Neng Xia, Li Zhang

et al.

Bioinspiration & Biomimetics, Journal Year: 2024, Volume and Issue: 19(5), P. 051003 - 051003

Published: July 12, 2024

In the early twenty-first century, extensive research has been conducted on geckos' ability to climb vertical walls with advancement of microscopy technology. Unprecedented studies and developments have focused adhesion mechanism, structural design, preparation methods, applications bioinspired dry adhesives. Notably, strong that adheres both principles contact splitting stress uniform distribution discovered proposed. The increasing popularity flexible electronic skins, soft crawling robots, smart assembly systems made switchable properties essential for These adhesives are designed be programmable in response external stimuli such as magnetic fields, thermal changes, electrical signals, light exposure well mechanical processes. This paper provides a comprehensive review development history from achieving realizing adhesion.

Language: Английский

Citations

5
Beyond surface tension-dominated water surface jumping DOI Creative Commons

Xin Wang,

Neng Xia, Chengfeng Pan

et al.

Nature Communications, Journal Year: 2025, Volume and Issue: 16(1)

Published: March 28, 2025

Water surface jumping motions of semi-aquatic insects are primarily rely on tension-dominated mechanism to achieve impressive performance. However, this faces an inherent physical constraint: the propulsion force must remain below threshold required break water surface, limiting efficient momentum acquisition. Herein, we present a strategy that addresses limitations mechanism. Our approach allows engineered jumper record-breaking height 18 body lengths (63 cm) and take-off velocity 100.6 length/s (3.52 m/s). This is built three key design principles: (I) superhydrophobic for floating (II) light-weight, high-power actuation module capable providing significant within ultrashort time, (III) well-engineered transmission system kinetic energy transfer. The developed soft based these principles advances development environment related robotics.

Language: Английский

Citations

0
Structured Locomotive Magnetic Soft Robots DOI Creative Commons
Wenbo Liu,

Youzhou Yang,

L.-T. Liu

et al.

Published: March 31, 2025

ABSTRACT Locomotive magnetic soft robots have found broad applications in a variety of research fields, such as surgical instrumentation, drug delivery and physical rehabilitation, owing to their rapid responses, ease‐of‐control excellent deformability. Many previous reviews well addressed the material designs fabrication methods branches robots. Apart from above, structural engineering also plays vital role locomotion capabilities operational contexts. Therefore, this review focuses on structure‐induced modes robots, classifies them into one‐dimensional (1D), two‐dimensional (2D), three‐dimensional (3D) fluid‐type, according structure features. Particularly, specific enabled by are summarized detail, revealing closely correlated structure‐locomotion‐functionality relations. This concisely summarizes components polymeric matrices used for locomotive introduces mainstream methods, molding, additive manufacturing micro‐assembly. Finally, facing challenges relevant field discussed future prospects provided.

Language: Английский

Citations

0
Femtosecond Laser‐Regulated Microstructures for on‐Demand Functionalization of Magnetic Milli‐Robots DOI Creative Commons
Ruyu Li,

Ruokun He,

Zhuo‐Chen Ma

et al.

Small Structures, Journal Year: 2025, Volume and Issue: unknown

Published: April 18, 2025

Recent advancements in smart materials and robotics have propelled the development of magnetic milli‐robots with significant potential biomedical diagnostics, industrial automation, environmental monitoring. However, challenge achieving situ functionalization these small, flexible robots without compromising their agility has hindered widespread deployment. Herein, a femtosecond laser‐driven hierarchical assembly mechanism that facilitates seamless integration Additive‐LIPSS (laser‐induced periodic surface microstructures) combined plasmonic nanoparticle deposition through single step is proposed. This approach effectively overcomes traditional trade‐off between multifunctionality miniaturization, offering pathway for precise scalable milli‐robots. By exploiting strain‐tunable property soft substrate, we achieve programmable microstructures at ultralow laser power, which simultaneously enhance electromagnetic sensitivity enable posture‐adpative surface‐enhanced Raman scattering (SERS) sensing. Notably, dynamic alignment enables robot posture‐dependent SERS signal modulation 5‐fold intensity variation allows real‐time feedback robot's posture complex environments. As proof concept, functionalized milli‐robot demonstrated on‐demand gastric cancer detection, highlighting its real‐time, non‐invasive diagnostics. Our thus offers versatile platform next‐generation multifunctional robotic systems.

Language: Английский

Citations

0
Magnetically Driven Quadruped Soft Robot with Multimodal Motion for Targeted Drug Delivery DOI Creative Commons
Huibin Liu, Xiangyu Teng,

Zezheng Qiao

et al.

Biomimetics, Journal Year: 2024, Volume and Issue: 9(9), P. 559 - 559

Published: Sept. 16, 2024

Untethered magnetic soft robots show great potential for biomedical and small-scale micromanipulation applications due to their high flexibility ability cause minimal damage. However, most current research on these focuses marine reptilian biomimicry, which limits move in unstructured environments. In this work, we design a quadruped robot with top cover specific magnetization angle, drawing inspiration from the common locomotion patterns of quadrupeds nature integrating our unique actuation principle. It can crawl tumble and, by adjusting field parameters, it adapts its environmental conditions, enabling cross obstacles perform remote transportation release cargo.

Language: Английский

Citations

1
Magnetic Torque‐Driven All‐Terrain Microrobots DOI
Qiong Wang, Zhuhua Zhang,

WU Yu-hua

et al.

Small, Journal Year: 2024, Volume and Issue: 20(48)

Published: Sept. 10, 2024

Abstract All‐terrain microrobots possess significant potential in modern medical applications due to their superior maneuverability complex terrains and confined spaces. However, conventional often struggle with adaptability operational difficulties variable environments. This study introduces a magnetic torque‐driven all‐terrain multiped microrobot (MTMR) address these challenges. By coupling the structure's multiple symmetries different uniform fields, such as rotating oscillating MTMR demonstrates various locomotion modes, including rolling, tumbling, walking, jumping, combinations. Experimental results indicate that robot can navigate diverse terrains, flat surfaces, steep slopes (up 75°), gaps over twice its body height. Additionally, performs well spaces, capable of passing through slits (0.1 length) low tunnels (0.25 length). The shows for clinical like minimally invasive hemostasis internal bleeding thrombus removal from blood vessels accurate cargo manipulation capability. Moreover, carry temperature sensors monitor environmental changes real time while simultaneously manipulating objects, displaying in‐situ sensing parallel task implementation. technology notable versatility, providing solid foundation practical interventional medicine.

Language: Английский

Citations

0