Super‐adaptive electroactive programmable adhesive materials to challenging surfaces: From intelligent soft robotics to XR haptic interfaces

InfoMat, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 17, 2024

Abstract Recently, the intelligent strategies for adapting to multiple challengeable surfaces of electroactive programmable materials integrated with bio‐inspired architectures offer expanded directions beyond traditional limitations in soft grippers, medical mobile robots, and XR (Extended Reality) interfaces. These adhesive are adaptively designed a variety complex surfaces, including soft, wet, non‐flat, or contamination‐susceptible feature such as bio‐surfaces vulnerable objects. They can be produced via solution‐based methods replica coating 3/4‐dimensional printing. The integration architecture enables super‐adaptive switchable adhesion through control physical deformation mechanical properties at interface, presenting breakthrough electro‐robotics extended reality (XR) Haptic interfaces technology. surface‐adaptive platform provide functionalities that efficiently deformations bioinspired transfer energy (heat, vibration, pressure) into engaged lightweight human‐friendly form. This review focuses on strategies, principles, design, fabrication intelligently combined adhesives next‐generation human–robot interaction devices, along current challenges prospects. image

Language: Английский

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Robustly Repeatable, Permeable, and Multi‐Axially Stretchable, Adhesive Bioelectronics With Super‐adaptive Conductive Suction Cups for Continuously Deformable Biosurfaces

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

Published: March 31, 2025

Abstract Skin‐integrated wearable bioelectronics offer immense potential for continuous health monitoring, diagnosis, and personalized therapy. However, robustly repeatable permeable adhesive interfaces with omnidirectional stretchability adaptability to continuously deforming skin surface remain a critical challenge often results in issues such as delamination, void, signal degradation. This study presents highly adaptable bioelectronic device repeatable, robust biocompatible designed dynamic wet surfaces. The integrates conductive softened‐double‐layered octopus‐inspired nanocomposites kirigami metastructure (cs‐OIA_k). cs‐OIA_k achieves skin‐like softness, electrical stability ( ΔR/R 0 < 10, under 10 000 cycles) (a maximum of 200%) accommodate deformation. Additionally, the hierarchical structural design enables adhesion (> vertical alignment ensure reversible against dynamically (−30% 100%, depending on thickness, site, age) without irritation. Based these characteristics, skin‐adhesive are demonstrated achieve reliable electrocardiogram (ECG) electromyogram (EMG) measurements even shoulder movements extreme approach utilizing multi‐axially stretchable, adhesives, provides new insights development advanced systems human–machine interfaces.

Language: Английский

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Bioinspired Suction-Driven Strategies with Nanoscale Skin-Controllable Adhesive Architectures for Efficient Liquid Formulated Transdermal Patches

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

Published: April 2, 2025

For highly efficient and precise drug release, transdermal delivery systems (TDDS) have recently evolved through the combination of intelligent material-based structures with various active components. These strategies are an effort to overcome significant difficulties in delivering large molecule drugs nanomaterials due physical barrier skin, especially stratum corneum, traditional TDDS. Interestingly, multiscale suction-driven architectures (SDAs) inspired by bioinspired suction adhesion mechanisms provided innovative solutions these challenges. employ negative pressure enhance nanoscale skin-controllable skin adhesion, temporarily bypass barrier, facilitate deep penetration therapeutic agents, thereby, achieving goals increasing efficiency maximizing user convenience as a minimal invasive, needle-free platform. This review provides comprehensive overview patches emphasizes their integration multifunctional materials achieve stable controlled release. Next, we present cost-effective user-friendly patch devices optimization cupping without incorporation additional devices. Furthermore, that optimize need for Potential SDAs localized systemic challenging complex well future perspectives, discussed, along directions more patient-centric solutions.

Language: Английский

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Skin-adaptive Nanofiber-based Adhesive Electronics with Octopus-like 3D Suction cups for Enhanced Transdermal Delivery

Published: April 3, 2025

Transdermal drug delivery (TDD) systems have evolved, with skin electronics emerging as an advanced technology capable of enabling controlled and efficient administration. However, conventional often rely on rigid materials expensive fabrication processes, limiting flexibility, adhesion, long-term usability. To overcome these challenges, nanofiber-based adhesive gained attention a promising alternative, offering high large surface area for loading, release mechanisms. In this study, we developed cellulose nanofiber (CNFs)-based by integrating three-dimensional (3D) octopus-inspired architecture (OIA) conductive layer. The OIA imprinted CNFs enhanced adhesion leveraging the synergistic effect its structure ability to remain stable even after absorbing high-viscosity active ingredient solutions. Unlike fiber-based TDD flatforms, which lose structural integrity upon liquid absorption, optimized CNFs-OIA retains architecture, suction-based improve attachment. further enhance transdermal efficiency, integrated layer carbon nanotubes (CNTs) into CNFs-OIA. This interface generates microcurrents that reduce electrical resistance stratum corneum facilitate ionization ingredients, thereby improving penetration. These findings suggest optimization material integration, combined microcurrent-assisted delivery, can extend applications beyond cosmetics, potential implications pharmaceutical delivery.

Language: Английский

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Stretchable and Self‐Adhesive Conductors for Smart Epidermal Electronics

Macromolecular Rapid Communications, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 23, 2024

Abstract Epidermal electronics utilize deformable devices that are seamlessly integrated into the body for various cutting‐edge applications. Stretchable conductors essential creating electrodes in these devices, allowing them to interface with skin sensing and stimulation. Despite considerable progress improved deformability, may not easily adhere long‐term use. There is a growing interest imparting self‐adhesive properties epidermal ensure secure integration body. This article focuses on emerging field of stretchable conductors. It explores design strategy required enable stretchability conformability materials discusses their pivotal applications smart electronics. Additionally, this also addresses current challenges future directions dynamic area research.

Language: Английский

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