Leech‐Inspired Amphibious Soft Robot Driven by High‐Voltage Triboelectricity

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

Published: Jan. 7, 2025

Abstract Leech locomotion, characterized by alternating sucker attachment and body contraction provides high adaptability stability on complex terrains. Herein, a leech‐inspired triboelectric soft robot is proposed for the first time, capable of amphibious movement, climbing, load‐carrying crawling. A high‐performance bionic system developed to drive control electro‐responsive robots. Its core components include: i) (LSR) made from segmented dielectric elastomer muscles. ii) The produces anisotropic frictional forces. iii) multi‐channel high‐voltage output nanogenerator (HDC‐TENG) effectively drives LSR. iv) unit adapted HDC‐TENG enables flexible LSR control. Using scalable structure muscles achieve maximum crawling speed 0.39 lengths per minute land (45 mm min −1 ) 0.22 in liquid (30.5 ). It can also carry payload 11.55 grams acrylic while This research sustainable promising new solution self‐powered energy sources suitable

Language: Английский

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Wearable and Implantable Soft Robots

Chemical Reviews, Journal Year: 2024, Volume and Issue: 124(20), P. 11585 - 11636

Published: Oct. 11, 2024

Soft robotics presents innovative solutions across different scales. The flexibility and mechanical characteristics of soft robots make them particularly appealing for wearable implantable applications. scale level invasiveness required depend on the extent human interaction. This review provides a comprehensive overview robots, including applications in rehabilitation, assistance, organ simulation, surgical tools, therapy. We discuss challenges such as complexity fabrication processes, integration responsive materials, need robust control strategies, while focusing advances actuation sensing mechanisms, techniques. Finally, we future outlook, highlighting key proposing potential solutions.

Language: Английский

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Nanomaterials for Flexible Neuromorphics

Chemical Reviews, Journal Year: 2024, Volume and Issue: 124(22), P. 12738 - 12843

Published: Nov. 5, 2024

The quest to imbue machines with intelligence akin that of humans, through the development adaptable neuromorphic devices and creation artificial neural systems, has long stood as a pivotal goal in both scientific inquiry industrial advancement. Recent advancements flexible electronics primarily rely on nanomaterials polymers owing their inherent uniformity, superior mechanical electrical capabilities, versatile functionalities. However, this field is still its nascent stage, necessitating continuous efforts materials innovation device/system design. Therefore, it imperative conduct an extensive comprehensive analysis summarize current progress. This review highlights applications neuromorphics, involving inorganic (zero-/one-/two-dimensional, heterostructure), carbon-based such carbon nanotubes (CNTs) graphene, polymers. Additionally, comparison summary structural compositions, design strategies, key performance, significant these are provided. Furthermore, challenges future directions pertaining materials/devices/systems associated neuromorphics also addressed. aim shed light rapidly growing attract experts from diverse disciplines (e.g., electronics, science, neurobiology), foster further for accelerated development.

Language: Английский

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Multidimensional free shape-morphing flexible neuromorphic devices with regulation at arbitrary points

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

Published: Jan. 17, 2025

Biological neural systems seamlessly integrate perception and action, a feat not efficiently replicated in current physically separated designs of neural-imitating electronics. This segregation hinders coordination functionality within the neuromorphic system. Here, we present flexible device tailored for computation muscle actuation. Each individual component emulates essential synaptic functions computing, while collective ensemble replicates actuation response to efferent neuromuscular commands. These properties stem from densely-packed, hydrophilic nanometer-sized channels, erection high-entropy, intricately silver nanowires capture store hydrated cations. Leveraging remarkable deformation effect, demonstrate hazard detection-avoidance robot, multidimensional integration arbitrary programmed shapes like 360° panoramic information soft-bodied biological deformations wherein localized responses stimuli are harmoniously integrated achieve coordinated motion. results provide significant avenue development future electronics bio-inspired systems.

Language: Английский

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Bioinspired PEDOT:PSS-PVDF(HFP) flexible sensor for machine-learning-assisted multimodal recognition

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 495, P. 153558 - 153558

Published: June 27, 2024

Language: Английский

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Magnetically Active Bicontinuous Polymer Structures for Multiple Controlled Drug Delivery

Macromolecular Bioscience, Journal Year: 2024, Volume and Issue: unknown

Published: May 11, 2024

Abstract The targeted delivery of drugs using wireless navigable magnetic robots allows the drug molecules to be controlled non only in time but also space, improving medical outcomes. main disadvantages behind their use lies low amount that can transported and single nature loaded (hydrophilic or hydrophobic). These considerations limit co‐delivery systems, now recognized very promising for many different pathologies. A bijel‐like structure is developed load release types In this work, ε‐caprolactone explored, which polymerize, forming hydrophobic domains (oil phase). After mixing with iron oxide nanoparticles (NPs), water dispersion creates a biphasic porous without phase separation. resulting device shows good performance both actuation as system.

Language: Английский

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Robust yet Self-Healing Multimodal Actuators Enabled by Noncovalent Assembled Nanostructure

Nano Letters, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 21, 2025

In nature, animals can realize multimodal movements such as walking, climbing, and jumping through transformation in locomotor gaits or form for survival, which is highly desired untethered flexible actuators yet remains challenging. Here, we propose a robust self-healing actuator enabled by noncovalent assembled nanostructures with elaborate regulation of multistage responsive behaviors. Owing to the dynamic interfacial design between multiple components, stimulus be accurately delivered "light-heat-force release" pathway, endowing diverse motion capabilities ability (27 cm, 34 times body length). Moreover, reversible recombination sliding properties network ensure high toughness (81.9 kJ/mol) efficiency (88.2%), greatly benefit long-term service under complex demanding scenarios. This study provides strategy improve their adaptability stability environments.

Language: Английский

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Untethered Soft Robots Based on 1D and 2D Nanomaterials

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

Published: Jan. 21, 2025

Abstract Biological structures exhibit autonomous and intelligent behaviors, such as movement, perception, responses to environmental changes, through dynamic interactions with their surroundings. Inspired by natural organisms, future soft robots are also advancing toward autonomy, sustainability, interactivity. This review summarizes the latest achievements in untethered based on 1D 2D nanomaterials. First, performance of actuators designed different is compared. Then, development basic locomotion forms, including crawling, jumping, swimming, rolling, gripping, multimodal, mimicking biological motion mechanisms under stimuli, discussed. Subsequently, various self‐sustained movements imbalance static stimuli introduced, light tracking, self‐oscillating, self‐crawling, self‐rolling, flying. Following that, progress integrated additional functionalities sensing, energy harvesting, storage summarized. Finally, challenges faced this field prospects for

Language: Английский

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Three-Dimensional Graphene Foam and PDMS Composites for High-Performance Electrothermal and Photothermal Actuators

ACS Applied Electronic Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 10, 2025

Language: Английский

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Reinforcement learning selects multimodal locomotion strategies for bioinspired microswimmers

Soft Matter, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

Natural microswimmers exhibit multimodal locomotion strategies to achieve versatile navigation tasks such as finding nutrient sources, avoiding danger and migrating new habitats. These typically involve complex coordination of cell actuators (i.e., flagella) generate translation, rotation combined motions. Yet, it is generally difficult establish a simple relationship between actuation due the hydrodynamic coupling swimmer surrounding fluid. While many bioinspired have been engendered, remains challenging for these artificial swimmers effective different functional similar their biological counterparts. Here, we explore reinforcement learning (RL) method enable microswimmer select based on tasks. We illustrate this approach using model derived from Chlamydomonas reinhardtii, which consists body sphere two flagella spheres. first demonstrate that RL-powered can maximize displacement or minimize energy input by setting corresponding goals. further how RL multi-directional via coordinately switch forward steering gaits. Our opens avenue designing with capabilities.

Language: Английский

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