Multifunctional electronic skins for ultra-sensitive strain, temperature, humidity sensing, and energy harvesting

Nano Energy, Год журнала: 2024, Номер 127, С. 109752 - 109752

Опубликована: Май 19, 2024

Язык: Английский

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Elastomeric Protein Bioactive Eutectogels for Topical Drug Delivery

Advanced Functional Materials, Год журнала: 2024, Номер 34(18)

Опубликована: Янв. 20, 2024

Abstract Therapeutic deep eutectic solvents (THEDES) are an emerging family of mixtures gaining increasing interest in the biomedical space. The immobilization THEDES into polymer networks allows bioactive eutectogels to expand their application scope topical drug delivery. Herein, this work presents first set elastomeric constructed by supporting a therapeutic system with skin permeation ability protein scaffold dynamically crosslinked natural polyphenol. In ionic eutectic, gelatin undergoes gelation through unexpected mechanism striking contrast classical hydrogels, which is herein thoroughly studied. Interestingly, polyphenol controls conformation structure, enabling tuning up mechanical and viscoelastic behavior dynamic eutectogel from elastic hyperelastic. resultant exhibit strain‐hardening behavior, thermoreversible gel‐to‐sol transition, excellent adhesive performance. Furthermore, these versatile materials retain bioactivity liquid favor occlusion, assisting delivery both hydrophilic hydrophobic substances ex vivo porcine time‐dependent penetration process. These ultrastretchable show new interplays between scaffolds mixtures, paving way for innovative soft materials.

Язык: Английский

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Super-stretchable and extreme temperature-tolerant supramolecular-polymer double-network eutectogels with ultrafast in situ adhesion and flexible electrochromic behaviour

Materials Horizons, Год журнала: 2021, Номер 8(9), С. 2520 - 2532

Опубликована: Янв. 1, 2021

The current tough and stretchable gels with various integrated functions are mainly based on polymer hydrogels. By introducing a non-covalent supramolecular self-assembled network into covalently cross-linked in the presence of eco-friendly cost-effective deep eutectic solvents (DESs), we developed new small molecule-based supramolecular-polymer double-network (SP-DN) eutectogel platform. This exciting material exhibits high stretchability toughness (>18 000% areal strain), spontaneous self-healing ability, ultrafast (∼5 s) situ underwater low-temperature (-80 °C) adhesion, unusual boiling water-resistance, as well strong base-, acid- (even aqua regia), ultra-low-temperature- (liquid nitrogen, -196 °C), high-temperature- (200 resistance. All these outstanding properties strongly recommend SP-DN eutectogels quasi-solid electrolyte for soft electrochromic devices, which exhibited exceptional flexibility consistent behaviours harsh mechanical or temperature environments. experimental simulation results uncovered assembly mechanism eutectogels. Unlike hydrogels, obtained showed molecular design freedom structural versatility. findings this work offer promising strategy developing next generation mechanically robust functionally materials environmental adaptability.

Язык: Английский

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Transforming nature into the next generation of bio-based flexible devices: New avenues using deep eutectic systems

Matter, Год журнала: 2021, Номер 4(7), С. 2141 - 2162

Опубликована: Июль 1, 2021

Язык: Английский

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A Highly Conductive, Self-Recoverable, and Strong Eutectogel of a Deep Eutectic Solvent with Polymer Crystalline Domain Regulation

ACS Applied Materials & Interfaces, Год журнала: 2021, Номер 13(45), С. 54409 - 54416

Опубликована: Ноя. 8, 2021

It is desirable to fabricate an antifatigue gel for skin-mimicking sensors on the demand of long-term durability in practical usage. Here, we developed a physically cross-linked eutectogel based poly(vinyl alcohol)/poly(acrylic acid) (PVA/PAA) binary polymer skeleton and deep eutectic solvent (DES). In this eutectogel, uniformly distributed PVA crystalline domains acted as stable physical cross-linkers, high-density hydrogen bonds possessed great reversibility. Such network structure was expected endow with excellent mechanical strength, stretchability, self-recovery ability. Specifically, exhibited superior tensile strength 2.6 MPa, fracture strain 680%, toughness 8.39 MJ m-3. cyclic stretching/releasing tests fixed 100%, could recover its properties within 600 s resting time. Based self-recoverable reliable flexible sensor fabricated, which good sensitivity stability over wide range (1-300%). More importantly, flexile able maintain highly repeatable response signal during 1000 consecutive cycles, showing outstanding durability. Given sensing performance, has promising potential wearable electronics, human-machine systems, soft robotics.

Язык: Английский

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Integration of hydrogen bonding interaction and Schiff-base chemistry toward self-healing, anti-freezing, and conductive elastomer

Chemical Engineering Journal, Год журнала: 2021, Номер 425, С. 130652 - 130652

Опубликована: Июнь 4, 2021

Язык: Английский

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Lignin promoted the fast formation of a robust and highly conductive deep eutectic solvent ionic gel at room temperature for a flexible quasi-solid-state supercapacitor and strain sensors

Green Chemistry, Год журнала: 2021, Номер 23(14), С. 5120 - 5128

Опубликована: Янв. 1, 2021

The green synthesis of ionic gels using alternative feedstock enables the preparation sustainable materials and devices.

Язык: Английский

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Molecular-Based Guide to Predict the pH of Eutectic Solvents: Promoting an Efficient Design Approach for New Green Solvents

ACS Sustainable Chemistry & Engineering, Год журнала: 2021, Номер 9(17), С. 5783 - 5808

Опубликована: Апрель 22, 2021

The case of sustainable solvents is great interest both academically and industrially. With research communities becoming more aware the negative impacts conventional organic solvents, a range greener have been developed to counter harmful drawbacks associated with solvents. Among these, eutectic (ESs) attracted considerable attention for their "green" properties proven usefulness as environmentally benign alternatives classical various desirable characteristics ESs, pH key property significant implications design control industrial-scale applications. However, selecting an ES required particular application challenging task, especially extensive experimentally determined data being time consuming expensive. Therefore, in this work, ESs predicted via novel quantitative structure–property relationships (QSPR) models using two machine learning algorithms, multiple linear regression (MLR) artificial neural network (ANN), set molecular descriptors generated by COSMO-RS. A total 648 experimental points 41 chemically unique prepared from 9 HBAs 21 HBDs at different temperatures were utilized sufficient representation. On basis statistical analysis models, it can be concluded that approaches powerful predictive tools estimating new ANN model having better capabilities MLR interpretable. These inspire stimulate development robust predict designer drawn structures, which will save resources.

Язык: Английский

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Mixed Ionic and Electronic Conducting Eutectogels for 3D‐Printable Wearable Sensors and Bioelectrodes

Advanced Materials Technologies, Год журнала: 2022, Номер 7(10)

Опубликована: Март 31, 2022

Abstract Eutectogels are a new class of soft ion conductive materials that attracting attention as an alternative to conventional hydrogels and costly ionic liquid gels build wearable sensors bioelectrodes. Herein, the first example mixed electronic eutectogels showing high adhesion, flexibility, nonvolatility, reversible low‐temperature gel transition for 3D printing manufacturing is reporting. The consist choline chloride/glycerol deep eutectic solvent, poly(3,4‐ethylenedioxythiophene): lignin sulfonate, gelatin biocompatible polymer matrix. These flexible stretchable, show conductivities 7.3 8.7 mS cm −1 , respectively, have adhesion energy. Due this unique combination properties, they could be applied strain precisely detect physical movements. Furthermore, these conductors possess excellent capacity conformal electrodes record epidermal physiological signals, such electrocardiograms electromyograms, over long time.

Язык: Английский

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Magnetic deep eutectic solvents – Fundamentals and applications

Journal of Molecular Liquids, Год журнала: 2022, Номер 365, С. 120158 - 120158

Опубликована: Авг. 24, 2022

Magnetic deep eutectic solvents (MDES), a relatively new subclass of conventional (DES) containing additional paramagnetic components in their structure. MDES exhibit strong response toward external magnetic fields, thus they can improve many industrial and analytical applications. In addition, this group present unique physicochemical properties that be easily tuned by selecting the appropriate ingredients for synthesis. Therefore, reported studies on applications have increased recent years. This review highlights structures mechanism formation, methods synthesis, basic properties, including melting point/freezing point, decomposition temperature, susceptibility, dynamic viscosity, density, ionic conductivity surface tension, toxicity, hydrophobic/hydrophilic character, together with current application methods/procedures. Moreover, advantages, limitations, future perspectives are critically discussed. We hope will inspire developments field

Язык: Английский

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