Advanced Science, Journal Year: 2025, Volume and Issue: unknown
Published: Jan. 20, 2025
Abstract Lattice metamaterials emerge as advanced architected materials with superior physical properties and significant potential for lightweight applications. Recent developments in additive manufacturing (AM) techniques facilitate the of lattice intricate microarchitectures promote their applications multi‐physical scenarios. Previous reviews on have largely focused a specific/single field, limited discussion properties, interaction mechanisms, multifunctional Accordingly, this article critically design principles, structure‐mechanism‐property relationships, enabled by AM techniques. First, are categorized into homogeneous lattices, inhomogeneous other forms, whose principles processes discussed, including benefits drawbacks different fabricating types lattices. Subsequently, structure–mechanism–property relationships mechanisms range fields, mechanical, acoustic, electromagnetic/optical, thermal disciplines, summarized to reveal critical principles. Moreover, metamaterials, such sound absorbers, insulators, manipulators, sensors, actuators, soft robots, management, invisible cloaks, biomedical implants, enumerated. These provide effective guidelines
Language: Английский
Citations
5Emerging Wearable Acoustic Sensing Technologies
Advanced Science, Journal Year: 2025, Volume and Issue: unknown
Published: Jan. 3, 2025
Sound signals not only serve as the primary communication medium but also find application in fields such medical diagnosis and fault detection. With public healthcare resources increasingly under pressure, challenges faced by disabled individuals on a daily basis, solutions that facilitate low-cost private hold considerable promise. Acoustic methods have been widely studied because of their lower technical complexity compared to other solutions, well high safety threshold human body acoustic energy. Furthermore, with recent development artificial intelligence technology applied speech recognition, recognition devices, systems capable assisting interacting scenes are constantly being updated. This review meticulously summarizes sensing mechanisms, materials, structural design, multidisciplinary applications wearable devices health human-computer interaction. Further, advantages disadvantages different approaches used flexible various examined. Finally, current roadmap for future research analyzed based existing progress achieve more comprehensive personalized healthcare.
Language: Английский
Citations
4Temperature‐Driven Topological Transformations in Prestressed Cellular Metamaterials
Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown
Published: Jan. 26, 2025
Abstract Stimuli‐responsive materials are able to alter their physicochemical properties, e.g., shape, color, or stiffness, upon exposure an external trigger, heat, light, humidity, exhibiting environmental adaptability. Their capacity undergo shape reconfiguration, pattern transformation, and property modulation enables multifunctionality. In this work, two strategies harnessed, i.e., prestressed assembly temperature‐dependent stiffness reversal, introduce a class of temperature‐responsive metamaterials capable undergoing topological transformations, endowing them with smart functionality. Through combination mechanics theory, numerical simulations, thermomechanical experiments, the physical mechanisms underlying temperature‐triggered transformations leading switches first elucidated, then insights leveraged demonstrate tunable bandgaps robotic capturers. These findings reveal attainment giant negative positive values coefficient thermal expansion, accompanied by isotropic expansion shrinkage under actuation within fairly rapid timeframe, below 6 s. The strategy here presented is versatile as it relies on pair off‐the‐shelf 3D printable materials, can be up‐ down‐scaled, also realized through other stimuli, light moisture, paving way for use in multifunctional applications, including stimulus‐triggered morphing devices, autonomous sensors actuators, reconfigurable soft robots.
Language: Английский
Citations
1Enhancing Ultrasound Power Transfer: Efficiency, Acoustics, and Future Directions
Advanced Materials, Journal Year: 2024, Volume and Issue: unknown
Published: July 23, 2024
Abstract Implantable medical devices (IMDs), like pacemakers regulating heart rhythm or deep brain stimulators treating neurological disorders, revolutionize healthcare. However, limited battery life necessitates frequent surgeries for replacements. Ultrasound power transfer (UPT) emerges as a promising solution sustainable IMD operation. Current research prioritizes implantable materials, with less emphasis on sound field analysis and maximizing energy during wireless delivery. This review addresses this gap. A comprehensive of UPT technology, examining cutting‐edge system designs, particularly in supply efficiency is provided. The critically examines existing models, summarizing the key parameters influencing transmission systems. For first time, an flow diagram general proposed to offer insights into overall functioning. Additionally, explores development stages showcasing representative designs applications. remaining challenges, future directions, exciting opportunities associated are discussed. By highlighting importance IMDs advanced functions biosensing closed‐loop drug delivery, well UPT's potential, aims inspire further advancements field.
Language: Английский
Citations
4Fast shape memory function and personalized PLTMC/SIM/MBG composite scaffold for bone regeneration
Materials Today Bio, Journal Year: 2025, Volume and Issue: unknown, P. 101791 - 101791
Published: May 1, 2025
Language: Английский
Citations
0Optimized synchronization efficiency in micromechanical arch beams
International Journal of Mechanical Sciences, Journal Year: 2025, Volume and Issue: unknown, P. 110098 - 110098
Published: March 1, 2025
Language: Английский
Citations
0Ultrasound-Driven Programmable Artificial Muscles
bioRxiv (Cold Spring Harbor Laboratory), Journal Year: 2024, Volume and Issue: unknown
Published: Jan. 9, 2024
ABSTRACT Despite their promise for technological and medical innovations, the advancement of artificial muscles faces challenges in dynamic programmability, wireless control, scalability, responsiveness. Ultrasound offers a promising yet underutilized solution, providing effective robust actuation. We introduce an innovative design paradigm soft muscles, utilizing tens thousands resonant microbubbles targeted activation, enabling wide range programmable motions. developed comprehensive theoretical model conducted various applications: from actuating grippers powering centimeter-scale biomimetic stingraybots propulsion to demonstrating multimodal shape transformation functional surface equipping static objects with transformative robotic skins mobility. Our approach is marked by its compactness, high force intensity, rapid responsiveness, lightweightness. The customizable, scalable our both immediate long-term impact on robotics, wearable technology, haptics, prosthetic development, development avant-garde biomedical devices like surgical tools. One-Sentence Summary introduced first-of-its-kind, muscle using ultrasound-activated microbubbles, compact, responsive, solution.
Language: Английский
Citations
1Acoustofluidic Actuation of Living Cells
Micromachines, Journal Year: 2024, Volume and Issue: 15(4), P. 466 - 466
Published: March 29, 2024
Acoutofluidics is an increasingly developing and maturing technical discipline. With the advantages of being label-free, non-contact, bio-friendly, high-resolution, remote-controllable, it very suitable for operation living cells. After decades fundamental laboratory research, its principles have become clear, manufacturing technology has gradually popularized. Presently, various imaginative applications continue to emerge are constantly improved. Here, we introduce development acoustofluidic actuation from perspective related manipulation on Among them, focus main directions such as sorting, tissue engineering, microscopy, biophysical therapy. This review aims provide a concise summary current state research bridge past developments with future directions, offering researchers comprehensive overview sparking innovation in field.
Language: Английский
Citations
1Acoustophoresis-driven particle focusing and separation with standard/inverse Chladni patterns
Lab on a Chip, Journal Year: 2024, Volume and Issue: 24(12), P. 3149 - 3157
Published: Jan. 1, 2024
Manipulating objects with acoustics has been developed for hundreds of years since Chladni patterns in gaseous environments were exhibited. In recent decades, acoustic manipulation microfluidics, known as acoustofluidics, rapidly thrived and many sophisticated technologies born. However, the basic background motion particles under excitation is usually neglected classical haven't reproduced an aqueous environment. this study, we investigated mechanism suspended sinking a plain microchamber low-frequency (3-5 kHz). The mechanisms clearly distinguished by comparing differences among colored fluids, particles, particles. rotated around antinode speed up to 55.1 μm s
Language: Английский
Citations
1Selective Actuation Enabled Multifunctional Magneto‐Mechanical Metamaterial for Programming Elastic Wave Propagation
Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown
Published: Dec. 13, 2024
Abstract Active metamaterials are a type of metamaterial with tunable properties enabled by structural reconfigurations. Existing active often achieve only limited number reconfigurations upon the application an external load across entire structure. Here, selective actuation strategy is proposed for inhomogeneous deformations magneto‐mechanical metamaterials, which allows integration multiple elastic wave‐tuning functionalities into single design. Central to this that magnetic field applied specific unit cells instead metamaterial, and cell can transform between two geometrically distinct shapes, exhibit very different mechanical responses wave excitations. The numerical simulations experiments demonstrate response cell, coupled deformation achieved through actuation, unlocks multifunctional capabilities such as transmittance, waveguide, vibration isolation. offers simple but effective way control thus enhances programmability also expands space in manipulation.
Language: Английский
Citations
0