A ferrofluid microrobot for manipulation in multiple workspaces DOI
Chaonan Zhang, Yan Zhao, Xiajing Wang

et al.

Physics of Fluids, Journal Year: 2024, Volume and Issue: 36(12)

Published: Dec. 1, 2024

Ferrofluid droplet has wide applications in bioanalysis manipulation. This study presents a ferrofluid microrobot for manipulation different workspaces. Based on the deformation character of droplet, capabilities climbing 3D (3-dimensional) surface, splitting channel, and transporting large particles. To manipulate multiple workspaces with capabilities, size magnetic force are studied suitable scenes. It shows that diameter 0.5 μl is around 980 μm. The microrobots ranges from micronewton to millinewton. Subsequently, we have verified chip by permanent magnet. can climb stairs only when height fluid higher than twice stairs. Meanwhile, microfluidic been successfully demonstrated. indicates influenced field easier split microrobot. Finally, transportation polystyrene microparticles (150 μm) confirmed These show potential application advantage biomedicine's micro-drug testing.

Language: Английский

Bioinspired Electrostatic Capture‐and‐Release System for Precise Microdroplet Manipulation DOI Open Access
Ning Li, Peng Yang, Ziyi Bai

et al.

Advanced Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 13, 2025

The application of physical fields is crucial for droplet generation and manipulation, underpinning technologies like printing, microfluidic biochips, drug delivery, flexible sensors. Despite advancements, precise micro/nanoscale accurate reactions remain challenging. Inspired by the liquid ejection mechanisms in microscopic organisms, an electrostatic manipulator capture, emission, transport microdroplets proposed. This approach enables controlled periodic emission nanoscale daughter droplets from microscale parent droplets, achieved through dielectric pinning on surfaces field-driven forces. Results show release inert polymer surfaces, enabling directional, contamination-free manipulation. Moreover, leveraging surface treatment techniques robust force-driven transportation, a versatile strategy spanning devices to chemical reaction operations. novel manipulation phenomena control strategies can advance electrostatic-based microfluidics, materials fabrication, beyond.

Language: Английский

Citations

3
4D Printing of magneto- and thermo-responsive, adaptive and multimodal soft robots DOI Creative Commons
Yuan Wang,

Hanlin Zhu,

Xin Ye

et al.

Virtual and Physical Prototyping, Journal Year: 2025, Volume and Issue: 20(1)

Published: Jan. 29, 2025

Language: Английский

Citations

3
Bioinspired and biohybrid soft robots: Principles and emerging technologies DOI
Zhengkun Chen,

Jiafan Chen,

Sohyun Jung

et al.

Matter, Journal Year: 2025, Volume and Issue: 8(4), P. 102045 - 102045

Published: April 1, 2025

Language: Английский

Citations

1
Advances in networking droplets DOI Creative Commons
Zhejun Chong, Yi Zeng, Youlong Kang

et al.

Droplet, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 18, 2025

Abstract Compartmentalization in living systems, where multiple reactions occur parallel within confined spaces, has inspired the development of droplet networks past decade. These fascinating assemblies offer unique and versatile functions that are unattainable by single droplets have shown their potential as advanced platforms for chemical biological applications. This review highlights recent progress creation application networks, covering strategies generating assembling them into functional networks. Key applications such microreactors, signal conductors, actuators, power sources summarized. We also discuss challenges future trends this field, aiming to narrow gap between fundamental research real

Language: Английский

Citations

0
Self-powered droplet manipulation for full human-droplet interaction in multiple mediums DOI Creative Commons
Jianfeng Sun, Qing Zhao, Zunli Mo

et al.

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

Published: March 8, 2025

Droplet manipulation holds significant promise across the energy, environmental, and medical fields. However, current methods still lack a solution that simultaneously satisfies requirements for self-powered energy supply, high efficiency, human-droplet interaction, flexibility, universality. Herein, we develop interaction platform based on an omni-directional triboelectric tweezer, which directly utilizes charges induced by human motion to manipulate droplets. The tweezer produces electric field necessary droplet control through simple sliding motions, thereby eliminating conventional dependencies power source complex electrode arrays. Moreover, its operation capability further enhances flexibility precision of manipulation. Our approach demonstrates effective in both gas liquid phases hand movements, enabling range operations such as efficient transportation, precise anchoring, flexible steering, merging chemical reactions, drug extraction, showcasing comprehensive application capabilities. Here, authors It generates voltage air oil. Applications may include high-speed transport, positioning, non-invasive sample extraction.

Language: Английский

Citations

0
Magnetic Continuum Robot for Intelligent Manipulation in Medical Applications DOI Creative Commons
Yuntao Ma, Xuanyu An,

Qijun Yang

et al.

Published: April 3, 2025

ABSTRACT Magnetic continuum robots (MCRs) have garnered substantial attention as a new class of flexible robotic systems capable navigating complex and confined spaces with remarkable dexterity. By combining continuous, deformable structures remotely applied magnetic fields, MCRs achieve contactless, remote manipulation, making them well‐suited for medical applications. This review introduces recent advances in MCR research, focusing on design principles, structural configurations, control strategies. Various designs structures, including those integrated permanent magnets, matter, ferromagnetic sphere, micro coil, are discussed. Furthermore, different actuation platforms introduced, the level automation is classified based Key intelligent manipulation capabilities MCRs, navigation, delivery, printing, grasping, imaging, sensing explored. Finally, future development priorities directions identified to provide insights advancing systems.

Language: Английский

Citations

0
Chlamydomonas-Inspired Water-Air Interface Mini-Robot with Intricate Tectonics, Programmable Locomotion, and Multifunctional Execution DOI
Lei Ren, Lihuang Li, Libing Huang

et al.

Research Square (Research Square), Journal Year: 2025, Volume and Issue: unknown

Published: May 6, 2025

Abstract With the rapid development of micro-robotics, non-mechanical stimulus-responsive water-air interface mini-robots have become a prominent focus in intelligent materials and environmentally responsive systems. However, their versatile application is challenged by fundamental trade-off: simpler structures enable precise motion control, while complex configurations are often required for task execution, making it difficult to balance controllable locomotion with functional complexity. Inspired Chlamydomonas, we designed mini-robot sophisticated multifunctional architecture (CI-Robot), enabling both programmable which demonstrated tremendous potential confined aquatic environments pipelines. The robot can achieve ultra-fast linear rotational speeds (11.43 body/s, 8.98π rad/s), exceeding biological counterparts 1.37- 4.24-fold, via synergistic surface tension gradients flagellar capillary mechanisms. fluid-solid coupling simulation reveals mechanism CI-Robot transitional Reynolds regimes, inertial force stabilizes propulsion force, driving torque rapidly decreases equilibrium (~15.21 μN, ~10⁻⁹ N·m), providing theoretical basis analysis regulation robot's behavior. safe separation distance (~2/3 body length) without interference determined collective analysis, guides reasonable arrangement group operation. Integrating modules, excels obstacle avoidance, path planning, microplastic collection (up 102 particles/mL), bacterial sampling 100 CFU/mL) site-specific molecular release, retaining samples >30 minutes. This innovative combining unparalleled speed, adaptability, multifunctionality, will pave way transformative applications cargo delivery, environmental monitoring, collection, space.

Language: Английский

Citations

0
Magnetic Cell-Mimetic Droplet Microrobots with Division and Exocytosis Capabilities DOI Creative Commons
Shimin Yu, Weiwei Zhang,

Yongzhi Feng

et al.

Research, Journal Year: 2025, Volume and Issue: 8

Published: Jan. 1, 2025

The first challenge in building a living robotic system inspired by life evolution is how to replicate the original form of life-the cell. However, current microrobots mimic cell motion control but fail functional biological activities cellular systems. Here, we propose strategy that programs microparticle swarms encapsulated droplets at an air/liquid interface create cell-mimetic droplet with vitality employing alternating magnetic fields. Through design algorithms and spontaneous waves, our collective embodies reversible transitions between gas, chain, array, disk-like modes, emulates various complex cells nature, including division exocytosis. Based on these 2 capabilities learned from cells, navigate bile duct gallbladder under guidance fields, completing drug release task. This may provide fundamental understanding pave way for construction artificial Furthermore, they hold substantial potential medical environmental applications.

Language: Английский

Citations

0
A photo-mechanically inactive tough gel exhibits multimodal, light-guided underwater navigation DOI Creative Commons
Guodong Hou,

Xuning Wang,

Feiyu Zhang

et al.

Science Advances, Journal Year: 2025, Volume and Issue: 11(22)

Published: May 28, 2025

Soft robots exhibit flexural and active features that enabled their potential deployment in applications where rigid systems could not perform well. However, the locomotion of soft still largely relies on paddling requires variety materials as artificial muscles. Hence, extreme conditions, i.e., under compressive or tensile loads, can cause irreversible damages disable actuation. Here, we report a tough underwater robot exhibits an accurate, three-dimensional, multimodal motion. Counterintuitively, is composed polymers are photo-mechanically responsive but powered by ambient fluid. The unique feature notably widens pool material selection allows further treatment to strengthen polymer matrix without concerns trade-off between mechanical properties with actuation capability. tough, photo-inactive gel maneuvers precisely, traveling effortlessly out tunnels, enables versatile phototactic locomotion.

Language: Английский

Citations

0
A ferrofluid microrobot for manipulation in multiple workspaces DOI
Chaonan Zhang, Yan Zhao, Xiajing Wang

et al.

Physics of Fluids, Journal Year: 2024, Volume and Issue: 36(12)

Published: Dec. 1, 2024

Ferrofluid droplet has wide applications in bioanalysis manipulation. This study presents a ferrofluid microrobot for manipulation different workspaces. Based on the deformation character of droplet, capabilities climbing 3D (3-dimensional) surface, splitting channel, and transporting large particles. To manipulate multiple workspaces with capabilities, size magnetic force are studied suitable scenes. It shows that diameter 0.5 μl is around 980 μm. The microrobots ranges from micronewton to millinewton. Subsequently, we have verified chip by permanent magnet. can climb stairs only when height fluid higher than twice stairs. Meanwhile, microfluidic been successfully demonstrated. indicates influenced field easier split microrobot. Finally, transportation polystyrene microparticles (150 μm) confirmed These show potential application advantage biomedicine's micro-drug testing.

Language: Английский

Citations

0