Untethered small-scale magnetic soft robot with programmable magnetization and integrated multifunctional modules

Science Advances, Год журнала: 2022, Номер 8(25)

Опубликована: Июнь 22, 2022

Intelligent magnetic soft robots capable of programmable structural changes and multifunctionality modalities depend on material architectures methods for controlling magnetization profiles. While some efforts have been made, there are still key challenges in achieving profile creating heterogeneous architectures. Here, we directly embed programmed patterns (magnetization modules) into the adhesive sticker layers to construct with profiles geometries then integrate spatially distributed functional modules. Functional modules including temperature ultraviolet light sensing particles, pH sheets, oil foams, positioning electronic component, circuit foils, therapy patch films integrated robots. These test beds used explore multimodal robot locomotion various applications related environmental detection, repairing, gastric ulcer coating, respectively. This proposed approach engineering modular systems has potential expand functionality, versatility, adaptability

Язык: Английский

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Materials-Driven Soft Wearable Bioelectronics for Connected Healthcare

Chemical Reviews, Год журнала: 2024, Номер 124(2), С. 455 - 553

Опубликована: Янв. 4, 2024

In the era of Internet-of-things, many things can stay connected; however, biological systems, including those necessary for human health, remain unable to connected global Internet due lack soft conformal biosensors. The fundamental challenge lies in fact that electronics and biology are distinct incompatible, as they based on different materials via functioning principles. particular, body is curvilinear, yet typically rigid planar. Recent advances design have generated tremendous opportunities wearable bioelectronics, which may bridge gap, enabling ultimate dream healthcare anyone, anytime, anywhere. We begin with a review historical development healthcare, indicating significant trend healthcare. This followed by focal point discussion about new design, particularly low-dimensional nanomaterials. summarize material types their attributes designing bioelectronic sensors; we also cover synthesis fabrication methods, top-down, bottom-up, combined approaches. Next, discuss energy challenges progress made date. addition front-end devices, describe back-end machine learning algorithms, artificial intelligence, telecommunication, software. Afterward, integration systems been applied various testbeds real-world settings, laboratories preclinical clinical environments. Finally, narrate remaining conjunction our perspectives.

Язык: Английский

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An Overview of Soft Robotics

Annual Review of Control Robotics and Autonomous Systems, Год журнала: 2022, Номер 6(1), С. 1 - 29

Опубликована: Ноя. 14, 2022

Soft robots’ flexibility and compliance give them the potential to outperform traditional rigid-bodied robots while performing multiple tasks in unexpectedly changing environments conditions. However, soft are yet reveal their full potential; nature is still far more advanced several areas, such as locomotion manipulation. To understand what limits performance hinders transition from laboratory real-world conditions, future studies should focus on understanding principles behind design operation of robots. Such also consider major challenges with regard complex materials, accurate modeling, control, intelligent behaviors. As a starting point for studies, this review provides current overview field by examining working mechanisms actuation sensing modalities, modeling techniques, control strategies, learning architectures Next, we summarize how these approaches can be applied create sophisticated examine application areas. Finally, provide perspectives key tackled first advance robotics truly add value our society.

Язык: Английский

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4D printing: Technological developments in robotics applications

Sensors and Actuators A Physical, Год журнала: 2022, Номер 343, С. 113670 - 113670

Опубликована: Июнь 10, 2022

Язык: Английский

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Light-driven dandelion-inspired microfliers

Nature Communications, Год журнала: 2023, Номер 14(1)

Опубликована: Май 26, 2023

In nature, many plants have evolved diverse flight mechanisms to disperse seeds by wind and propagate their genetic information. Inspired the mechanism of dandelion seeds, we demonstrate light-driven dandelion-inspired microfliers based on ultralight super-sensitive tubular-shaped bimorph soft actuator. Like in falling velocity as-proposed microflier air can be facilely controlled tailoring degree deformation "pappus" under different light irradiations. Importantly, resulting is able achieve a mid-air above source with sustained time ~8.9 s maximum height ~350 mm thanks unique dandelion-like 3D structures. Unexpectedly, found exhibit upward accompanied autorotating motion, rotation mode customized either clockwise or counterclockwise direction engineering shape programmability actuator films. The research disclosed herein offer new insights into development untethered energy-efficient artificial aerial vehicles that are paramount significance for applications from environmental monitoring wireless communication future solar sail robotic spacecraft.

Язык: Английский

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Giant Magnetoelastic Effect Enabled Stretchable Sensor for Self-Powered Biomonitoring

ACS Nano, Год журнала: 2022, Номер 16(4), С. 6013 - 6022

Опубликована: Апрель 13, 2022

Interfacing with the human body, wearable and implantable bioelectronics are a compelling platform technology for healthcare monitoring medical therapeutics. However, clinical adoption of these devices is largely shadowed by their weakness in humidity resistance, stretchability, durability, biocompatibility. In this work, we report self-powered waterproof biomechanical sensor stretchability up to 440% using giant magnetoelastic effect soft polymer system. By manipulating magnetic dipole alignment, achieved particularly broad sensing range from 3.5 Pa 2000 kPa, response time ∼3 ms. To validate excellent performance biomonitoring, both ex vivo porcine heart testing rat model were performed cardiovascular disease diagnosis. With obtained data, have successfully detected ventricular arrhythmia fibrillation Sprague–Dawley model. Holding collection features, including minimal hysteresis, ultrawide range, waterproofness, biocompatibility, represents unique biomonitoring manners.

Язык: Английский

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Artificial Neuron Devices

Chemical Reviews, Год журнала: 2023, Номер 123(23), С. 13796 - 13865

Опубликована: Ноя. 17, 2023

Efforts to design devices emulating complex cognitive abilities and response processes of biological systems have long been a coveted goal. Recent advancements in flexible electronics, mirroring human tissue's mechanical properties, hold significant promise. Artificial neuron devices, hinging on artificial synapses, bioinspired sensors, actuators, are meticulously engineered mimic the systems. However, this field is its infancy, requiring substantial groundwork achieve autonomous with intelligent feedback, adaptability, tangible problem-solving capabilities. This review provides comprehensive overview recent devices. It starts fundamental principles synaptic explores sensory systems, integrating synapses sensors replicate all five senses. A systematic presentation nervous follows, designed emulate system functions. The also discusses potential applications outlines existing challenges, offering insights into future prospects. We aim for illuminate burgeoning inspiring further innovation captivating area research.

Язык: Английский

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Nature-inspired strategies for the synthesis of hydrogel actuators and their applications

Progress in Polymer Science, Год журнала: 2023, Номер 140, С. 101665 - 101665

Опубликована: Фев. 26, 2023

Nature endows numerous organisms with the ability to realize their basic physiological activities through stimulus-responsive actuation. Inspired by these interesting biological structures, various biomimetic hydrogel actuators excellent controllability, fast response, and toughness have been developed. Here, principles of enabling behavior in polymer materials are first reviewed for example subsequently recent progress implementing stimuli-response bioinspired being discussed. Particular emphasis is on mechanisms underlying mechanical toughening its role applications. The goal highlight progress, find common threads, discuss fundamental differences determine current challenges future directions this field.

Язык: Английский

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

European Polymer Journal, Год журнала: 2024, Номер 205, С. 112718 - 112718

Опубликована: Янв. 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

Язык: Английский

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3D printing of stimuli-responsive hydrogel materials: Literature review and emerging applications

Giant, Год журнала: 2023, Номер 17, С. 100209 - 100209

Опубликована: Ноя. 15, 2023

Additive manufacturing (AM) aka three-dimensional (3D) printing has been a well-established and unparalleled technology, which is expanding the boundaries of materials science exhibiting an enormous potential to fabricate intricate geometries for healthcare, electronics, construction sectors. In contemporary era, combination AM technology stimuli-responsive hydrogels (SRHs) helps create dynamic functional structures with extreme accuracy, are capable changing their shape, functional, or mechanical properties in response environmental cues such as humidity, heat, light, pH, magnetic field, electric etc. 3D SRHs permits creation on-demand dynamically controllable shapes excellent control over various self-repair, self-assembly, multi-functionality, These accelerate researchers think unthinkable applications. Additively manufactured objects have shown applications like tissue engineering, drug delivery, soft robots, sensors, other biomedical devices. The current review provides recent progress SRHs, more focus on techniques, stimuli mechanisms, shape morphing behaviors, Finally, trends future roadmap additively smart different also presented, will be helpful research. This holds great promise providing fundamental knowledge about diverse

Язык: Английский

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