Understanding and Utilizing Droplet Impact on Superhydrophobic Surfaces: Phenomena, Mechanisms, Regulations, Applications, and Beyond

Advanced Materials, Journal Year: 2023, Volume and Issue: 36(11)

Published: Dec. 9, 2023

Droplet impact is a ubiquitous liquid behavior that closely tied to human life and production, making indispensable impacts on the big world. Nature-inspired superhydrophobic surfaces provide powerful platform for regulating droplet dynamics. The collision between classic phenomena of advanced manufacture lighting up future. Accurately understanding, predicting, tailoring dynamic behaviors are progressive steps integrate into versatile applications further improve efficiency. In this review, progress phenomena, mechanisms, regulations, surfaces, bridging gap impact, engineering comprehensively summarized. It highlighted contact rebound two focal points, their fundamentals regulations elaborately designed discussed in detail. For first time, diverse classified four categories according requirements rebound. remaining challenges also pointed out future directions trigger subsequent research from both scientific applied perspectives outlined. review expected general framework understanding utilizing impact.

Language: Английский

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A Perspective on Miniature Soft Robotics: Actuation, Fabrication, Control, and Applications

Advanced Intelligent Systems, Journal Year: 2023, Volume and Issue: 6(2)

Published: April 26, 2023

Soft robotics enriches the robotic functionalities by engineering soft materials and electronics toward enhanced compliance, adaptivity, friendly human machine. This decade has witnessed extraordinary progresses benefits in scaling down to small scale for a wide range of potential promising applications, including medical surgical robots, wearable rehabilitation unconstructed environments exploration. perspective highlights recent research efforts miniature brief comprehensive way terms actuation, powering, designs, fabrication, control, applications four sections. Section 2 discusses key aspects selection structural designs small‐scale tethered untethered actuation fluidic stimuli‐responsive living biohybrid materials, as well forms from 1D 3D. 3 advanced manufacturing techniques at scales fabricating lithography, mechanical self‐assembly, additive manufacturing, tissue engineering, other fabrication methods. 4 control systems used off‐board/onboard controls artificial intelligence‐based controls. 5 their broad healthcare, objects manipulating processing, environmental monitoring. Finally, outlooks on challenges opportunities are discussed.

Language: Английский

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Adaptive Surfaces with Stimuli-Responsive Wettability: From Tailoring to Applications

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

Published: Feb. 13, 2025

Adaptive surfaces with tunable wettability have attracted considerable attention due to their increasing importance in adapting real applications. By incorporation of stimuli-sensitive materials that enable control over surface chemistry or topographical features, both, a variety adaptive are engineered exhibit reversible tailoring wettability. This Review provides comprehensive review the development stimuli-responsive It begins by outlining background and significance surfaces. Then, this delves into fundamental theories govern wettability, focusing on influence external stimuli wetting behavior. The discussion then shifts highlighting various triggers, such as magnetism, photo, temperature, pH, electricity, gas stimuli, drive response well respond dual multiple stimuli. further explores primary leading applications droplet manipulation, oil-water separation, water harvesting. To conclude, we encapsulate challenges, potential solutions, future directions for improving these

Language: Английский

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Magnetically Responsive Optical Modulation: from Anisotropic Nanostructures to Emerging Applications

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 34(3)

Published: Oct. 3, 2023

Abstract Magnetically responsive optical modulation has emerged as a promising application in various fields such smart windows, anti‐counterfeiting, and colorimetric sensors, due to its unique advantages remote nondestructive control, well precise high‐contrast response. Compared isotropic counterparts, anisotropic magnetic nanostructures (AMNs) take advantage of the interplay among dipoles, magnetocrystalline anisotropy, shape crystal facets control diverse dimensions light propagation. By manipulating frequency, amplitude, polarization, plasmonic resonance, AMNs can provide variety functional applications. A comprehensive overview recent developments based on with focus their emerging applications design strategies is presented. It starts brief introduction typical AMN building blocks, highlighting modes, including tunable transmission, diffraction, resonance. The primary discuss for applications, i.e., anti‐counterfeiting labels, multifunctional‐driven devices. concludes challenges perspectives magneto‐optical structures. Overall, this review provides in‐depth insight into strategies, property AMNs, thereby accelerating practical these structures

Language: Английский

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A Cyclical Magneto‐Responsive Massage Dressing for Wound Healing

Small, Journal Year: 2024, Volume and Issue: 20(28)

Published: Feb. 7, 2024

Abstract Tissue development is mediated by a combination of mechanical and biological signals. Currently, there are many reports on signals regulating repair. However, insufficient attention paid to the process regulation, especially active regulation in vivo, which has not been realized. Herein, novel dynamically regulated repair system for both vitro vivo applications developed, utilizes magnetic nanoparticles as non‐contact actuators activate hydrogels. The hydrogel can be periodically activated deformed different amplitudes dynamic system. An skin model used explore impact stimuli cellular mechano‐transduction signal activation cell differentiation. Specifically, effect stimulation phenotypic transition fibroblasts myofibroblasts investigated. Furthermore, results verify that massage simulate enhance traction defects, thereby accelerating wound healing promoting re‐epithelialization mediating dermal contraction.

Language: Английский

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High-performance cellulose nanofibers-based actuators with multi-stimulus responses and energy storage

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 490, P. 151393 - 151393

Published: April 17, 2024

Language: Английский

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Stimuli‐Mediated Macrophage Switching, Unraveling the Dynamics at the Nanoplatforms–Macrophage Interface

Advanced Healthcare Materials, Journal Year: 2024, Volume and Issue: 13(20)

Published: April 19, 2024

Abstract Macrophages play an essential role in immunotherapy and tissue regeneration owing to their remarkable plasticity diverse functions. Recent bioengineering developments have focused on using external physical stimuli such as electric magnetic fields, temperature, compressive stress, among others, micro/nanostructures induce macrophage polarization, thereby increasing therapeutic potential. However, it is difficult find a concise review of the interaction between stimuli, advanced micro/nanostructures, polarization. This examines present research stimuli‐induced polarization micro/nanoplatforms, emphasizing synergistic fabricated structure stimulation for regeneration. A overview advancements investigating impact including forces, fluid shear photothermal multiple stimulations macrophages within complex engineered structures, provided. The prospective implications these strategies regenerative medicine immunotherapeutic approaches are highlighted. will aid creating stimuli‐responsive platforms immunomodulation

Language: Английский

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Fabrication and Functional Regulation of Biomimetic Interfaces and Their Antifouling and Antibacterial Applications: A Review

Small, Journal Year: 2023, Volume and Issue: 20(21)

Published: Dec. 13, 2023

Abstract Biomimetic synthesis provides potential guidance for the of bio‐nanomaterials by mimicking structure, properties and functions natural materials. Behavioral studies biological surfaces with specific micro/nano structures are performed to explore interactions various molecules or organisms surfaces. These explorations provide valuable inspiration development biomimetic similar effects. This work reviews some conventional preparation methods functional modulation strategies interfaces. It aims elucidate important role interfaces antifouling low‐pollution that can replace non‐environmentally friendly coatings. Thus, be better applied in field marine antimicrobial. In this review, commonly used fabrication as well practical is present detail. modify physical structure chemical interfaces, thus improving wettability, adsorption, drag reduction, etc. they exhibit. addition, applications presented look ahead biomedical applications. By continuously discovering studying their microstructure macroscopic properties, more will developed.

Language: Английский

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Dynamics Behavior of Droplet Impact on a Controllable Curved Micropillar Array Surface Induced by a Magnetic Field

Langmuir, Journal Year: 2023, Volume and Issue: 39(11), P. 4170 - 4178

Published: March 8, 2023

Many fields would greatly benefit from the realization of manipulation droplet impact behavior by an asymmetric surface structure, such as self-cleaning, anti-icing, inkjet printing, etc. However, research on prediction dynamics small-volume droplets superhydrophobic has been insufficient. In this study, a curved micropillar array with controllable bending angles induced magnetic field was prepared. The and rebound behaviors nanoliter diameters 100-300 μm were investigated. experimental results showed positive correlation between threshold Weber number morphology transition inclination angle micropillar. addition, restitution coefficient, which measures degree energy loss during process, nonmonotonic dependence number. A critical velocity model coefficient in different morphologies are suggested. Our findings will help design functional for manipulating droplet.

Language: Английский

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Magnetic Responsive On‐Site Switching of the Directional Droplet Self‐Transport in Shape Memory Slippery Tube

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(49)

Published: July 24, 2023

Abstract The phenomenon of controlled droplet transport has promising application prospects in various fields. Active mode is controllable through continuous external stimuli. By contrast, self‐transport a more environmentally friendly and energy‐efficient passive but lacks controllability. In this study, achieved by constructing shape memory polymer (SMP) tube with lubricated magnetic‐responsive gel inner surface. asymmetrical the tube, combined surface, enables directional droplets without Furthermore, resistance on surface can be altered regulating magnetic field to achieve effective active control during process. Thus, smart situ integrating macroscale variation dynamic microstructure. Owing fast responsivity controllability process, SMP demonstrates ability variety liquids designed as micro‐reactor for step‐by‐step detection. findings study may provide guidance development intelligent interface materials microfluidic devices.

Language: Английский

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