3D printing of magneto-active smart materials for advanced actuators and soft robotics applications

European Polymer Journal, Journal Year: 2024, Volume and Issue: 205, P. 112718 - 112718

Published: Jan. 2, 2024

In the contemporary era, novel manufacturing technologies like additive (AM) have revolutionized different engineering sectors including biomedical, aerospace, electronics, etc. Four-dimensional (4D) printing aka AM of smart materials is gaining popularity among scientific community, which has excellent ability to make soft structures such as robots, actuators, and grippers. These are developed by applying various stimuli pH, temperature, magnetic field, many combinations onto materials. Stimuli in 3D permit shape-morphing behaviors bending, twisting, folding, swelling, rolling, shrinking, origami, or locomotion. A wide variety can be fabricated through incorporation hard particles into resulting magneto-active (MASMs). With this integration, magneto-thermal coupling actuation allows diverse magneto-deformations, facilitating development personalized devices that capable enhanced deformation. review, guidelines provided on for MASMs polymers (MAPs), composites, hydrogels (MAHs) booming flexible wearable biomimetic devices. Moreover, 3D-printed robotics an outstanding capacity adapt complicated situations advanced actuating applications. Finally, some current challenges emerging areas exciting technology been proposed. Lastly, it anticipated technological advancements developing intelligent will a significant impact design real-world

Language: Английский

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A Survey of Recent Developments in Magnetic Microrobots for Micro-/Nano-Manipulation

Micromachines, Journal Year: 2024, Volume and Issue: 15(4), P. 468 - 468

Published: March 29, 2024

Magnetically actuated microrobots have become a research hotspot in recent years due to their tiny size, untethered control, and rapid response capability. Moreover, an increasing number of researchers are applying them for micro-/nano-manipulation the biomedical field. This survey provides comprehensive overview developments magnetic microrobots, focusing on materials, propulsion mechanisms, design strategies, fabrication techniques, diverse applications. The exploration biosafety considerations, methods serves as foundation designs discussed this review. paper delves into categories, encompassing helical, surface, ciliary, scaffold, biohybrid with each demonstrating unique capabilities. Furthermore, various including direct laser writing, glancing angle deposition, biotemplating synthesis, template-assisted electrochemical self-assembly, examined owing contributions realization microrobots. potential impact across multidisciplinary domains is presented through application areas, such drug delivery, minimally invasive surgery, cell manipulation, environmental remediation. review highlights summary current challenges, hurdles overcome, future directions microrobot different fields.

Language: Английский

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Design and mechanism of photothermal soft actuators and their applications

Journal of Materials Chemistry A, Journal Year: 2024, Volume and Issue: 12(29), P. 17896 - 17922

Published: Jan. 1, 2024

This article discusses the fundamentals and progress of photothermal actuators, their applications from bionic design to intelligent robots in detail.

Language: Английский

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Review of the Applications of Micro/Nanorobots in Biomedicine

ACS Applied Nano Materials, Journal Year: 2024, Volume and Issue: 7(15), P. 17151 - 17192

Published: July 24, 2024

The advancement of precision medicine in modern biomedicine has been significantly propelled by the emergence micro/nanorobots. combination micro/nanorobots and offers unique advantages holds attractive potential for applications. It effectively addresses challenges encountered traditional robots areas such as driving, sensing, intelligence other aspects, especially application cancer cardiovascular diseases, which is a hot field interdisciplinary research recent years. This review succinctly delineates analyzes advancements First, achievements years are systematically classified introduced from four perspectives: manufacturing design, drive control, biomedical degradation. In particular, in-depth discussions were conducted regarding solutions each stage. Second, based on latest results applications, development direction industrial applications key technical aspects that need to be paid attention emphasized. Finally, we discuss opportunities future, it expected will become more sophisticated capable performing multiple medical functions tasks. They implemented vivo assist doctors diagnosing treating diseases. shows significant medicine.

Language: Английский

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Bio‐Integrated Microrobots: Fabrication, Actuation and Biomedical Applications

Published: March 13, 2025

ABSTRACT Bio‐integrated microrobots (BIMs), which are fabricated with biofriendly materials, biological units (e.g. cells or biomolecules), cell‐material hybrids have emerged as a promising technology for minimally invasive biomedicine. The diminutive size and flexible structures enable BIMs to navigate within narrow, deep, challenging‐to‐reach in vivo regions, performing biopsy, diagnostic, drug delivery, therapeutic functions minimal invasiveness. However, the clinical deployment of is highly orchestrated task that requires consideration material properties, structural design, locomotion, observation, outcomes, side effects on tissues, etc. In this review, we review discuss latest advances bio‐integrated microrobot domain, evaluating various methods associated fabrication, actuation, implementation biomedical BIMs. By comparing advantages shortcomings these techniques, highlights challenges future trends intelligent microrobots, huge potential

Language: Английский

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Soft Millirobot Capable of Switching Motion Modes on the Fly for Targeted Drug Delivery in the Oviduct

ACS Nano, Journal Year: 2024, Volume and Issue: 18(12), P. 8694 - 8705

Published: March 11, 2024

Small-scale magnetic robots with fixed magnetizations have limited locomotion modes, restricting their applications in complex environments vivo. Here we present a morphology-reconfigurable millirobot that can switch the modes locally by reprogramming its during navigation, response to distinct field patterns. By continuously switching between high-velocity rigid motion and high-adaptability soft actuation, efficiently navigates small lumens intricate internal structures surface topographies. As demonstrations, performs multimodal including woodlouse-like rolling flipping, sperm-like rotating, snake-like gliding negotiate different terrains, unrestricted channel high platform, narrow channel, solid–liquid interface, respectively. Finally, demonstrate drug delivery capability of through oviduct-mimicking phantom ex vivo oviduct. The magnetization strategy navigation represents promising approach for developing self-adaptive performing tasks

Language: Английский

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Light-Driven Microrobots for Targeted Drug Delivery

ACS Biomaterials Science & Engineering, Journal Year: 2024, Volume and Issue: 10(9), P. 5562 - 5594

Published: Aug. 15, 2024

As a new micromanipulation tool with the advantages of small size, flexible movement and easy manipulation, light-driven microrobots have wide range prospects in biomedical fields such as drug targeting cell manipulation. Recently, been controlled various ways, light field has become research hotspot by its noncontact precise localization, fast response, biocompatibility. It utilizes force or deformation generated to precisely control microrobot, combines release technology realize targeted application. Therefore, this paper provides an overview provide ideas for manipulation microrobots. Here, briefly categorizes driving mechanisms materials microrobots, which mainly include photothermal, photochemical, biological. Then, typical designs different strategies multiple physical are summarized. Finally, applications bioimaging presented well future demonstrated.

Language: Английский

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Simultaneous detection of position and temperature of micromagnet using a quantum microscope

Chinese Optics Letters, Journal Year: 2024, Volume and Issue: 22(10), P. 101202 - 101202

Published: Jan. 1, 2024

Language: Английский

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Automatic Control of Magnetic Helical Microrobots Docking with Target Objects in Liquid Environments

Journal of Bionic Engineering, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 7, 2025

Language: Английский

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Anisotropic stimuli-responsive polymeric materials: chemistry and applications

Frontiers in Materials, Journal Year: 2025, Volume and Issue: 12

Published: March 13, 2025

Anisotropic stimuli-responsive polymeric materials (ASRPM) exhibit distinct physical and chemical properties along various orientations can respond to external stimuli, demonstrating exceptional adaptability functional integration capabilities. As research advances, new discoveries applications continue emerge, further enhancing the appeal of these materials. Despite an increase in related publications, there remains a relative scarcity systematic summaries. In this mini-review, we summarize advancements field over past decade, focusing on structural properties, fabrication methods, advantages, potential ASRPM. We present synthesized overview through illustrative charts, aiming provide readers with representative snapshot dynamic landscape.

Language: Английский

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