Magnetically Driven Micro and Nanorobots
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TLDR
MagRobots as discussed by the authors introduce fundamental concepts and advantages of magnetic micro/nanorobots as well as basic knowledge of magnetic fields and magnetic materials, setups for magnetic manipulation, magnetic field configurations, and symmetry-breaking strategies for effective movement.Abstract:
Manipulation and navigation of micro and nanoswimmers in different fluid environments can be achieved by chemicals, external fields, or even motile cells Many researchers have selected magnetic fields as the active external actuation source based on the advantageous features of this actuation strategy such as remote and spatiotemporal control, fuel-free, high degree of reconfigurability, programmability, recyclability, and versatility This review introduces fundamental concepts and advantages of magnetic micro/nanorobots (termed here as "MagRobots") as well as basic knowledge of magnetic fields and magnetic materials, setups for magnetic manipulation, magnetic field configurations, and symmetry-breaking strategies for effective movement These concepts are discussed to describe the interactions between micro/nanorobots and magnetic fields Actuation mechanisms of flagella-inspired MagRobots (ie, corkscrew-like motion and traveling-wave locomotion/ciliary stroke motion) and surface walkers (ie, surface-assisted motion), applications of magnetic fields in other propulsion approaches, and magnetic stimulation of micro/nanorobots beyond motion are provided followed by fabrication techniques for (quasi-)spherical, helical, flexible, wire-like, and biohybrid MagRobots Applications of MagRobots in targeted drug/gene delivery, cell manipulation, minimally invasive surgery, biopsy, biofilm disruption/eradication, imaging-guided delivery/therapy/surgery, pollution removal for environmental remediation, and (bio)sensing are also reviewed Finally, current challenges and future perspectives for the development of magnetically powered miniaturized motors are discussedread more
Citations
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Journal ArticleDOI
Magnetic Soft Materials and Robots.
Yoonho Mark Kim,Xuanhe Zhao +1 more
TL;DR: In this paper , the authors discuss recent progress in the design and fabrication, modeling and simulation, and actuation and control of magnetic soft materials and robots, and give a set of design guidelines for optimal actuation performance.
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Magnetism in curved geometries
TL;DR: In this article, an overview of recent progress in synthesis, theory, and characterization studies and discusses future directions, challenges, and application potential of harnessing curvature for 3D nanomagnetism.
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Magnetic helical micro-/nanomachines: Recent progress and perspective
TL;DR: Inspired by bacterial flagella, helical micro-/nanomachines (H-MNMs) can achieve controllable 3D movement by converting rotational motion to translation in a corkscrew fashion as discussed by the authors .
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Enzyme-Photocatalyst Tandem Microrobot Powered by Urea for Escherichia coli Biofilm Eradication.
Katherine Villa,Hanna Sopha,Jaroslav Zelenka,Martin Motola,Lukáš Děkanovský,Darya Chylii Beketova,Jan M. Macak,Tomáš Ruml,Martin Pumera +8 more
TL;DR: Results indicate a synergistic effect between the self-propulsion provided by the enzyme and the photocatalytic activity induced under light stimuli, and the design of efficient light-driven microrobots with promising applications in microbiology and biomedicine.
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Light-Driven Micromotors to Dissociate Protein Aggregates That Cause Neurodegenerative Diseases
TL;DR: Self‐propelled light‐driven single‐component micromotors based on concave BiVO4 microspheres are used to disaggregate protein fibrils and can be extended to alternative ROS‐based photodynamic therapies against lung or skin cancer, among others.
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