Chemistry and Heritage Conservation: Calcium-Based Mineralized Hydrogel for the Adhesive Restoration of Historical Artifacts DOI
Aizhao Pan, Chengyu Shi, Chunyu Zhao

et al.

Journal of Chemical Education, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 27, 2024

Chemistry and cultural heritage conservation are inextricably linked. Preserving historical artifacts is a challenging task that requires an understanding of chemistry. Combining the with chemical experimental teaching, calcium tannate mineralized hydrogel (TA-Ca/Gel) was designed to be applied as adhesive restore for undergraduate college students. Acrylic acid (AA), acrylamide (AM), N,N′-methylenebis(acrylamide) (MBAA) were used construct network hydrogel, while tannic (TA) Ca(OH)2 served mineralization adhesion-enhancing components. Tetramethylenediamine (TMEDA) gel accelerator. The structural morphological characterization TA-Ca/Gel performed assistance technicians from School Analysis Testing Center. Students plotted analyzed data using Origin software. properties measured by universal tensile tester. Finally, repair broken porcelain pottery. We have received positive feedback students through this comprehensive experiment, which helped obtain better how synthesize characterize analyze test data, present drawing This also introduced them study basic principles artifact protection well relationship between chemistry conservation. Inspired topic "Chemistry conservation", we deepened students' application cutting-edge knowledge.

Language: Английский

Multifunctional Bioelectronics Achieved by Empowering Hydrogels with Phase‐Transition Ability DOI

Zihan Zhu,

Yuzhe Gu, Xiaotian Wang

et al.

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

Published: May 6, 2025

Abstract Flexible electronics are of great interest in wearable bioelectronics, biomedicine, and robotics, with hydrogel emerging as an ideal candidate due to its excellent biocompatibility, stretchability, flexibility, making it suitable for applications electronics, clinical medicine, soft robotics. However, traditional hydrogels limited by restricted application scenarios, poor controllability, insufficient smart responsiveness. In contrast, phase transition hydrogels, characterized their reversible properties multifunctional adaptability, represent a promising advancement flexible electronics. This review systematically examines the various reaction types detailing underlying mechanisms materials involved. Furthermore, principles optical devices analyzed. Additionally, roles thermal management robotics explored. Finally, prospects challenges hydrogel‐based discussed, emphasizing need further optimization molecular structure cross‐linking system design, precise tuning temperature rate, enhancement long‐term stability, seamless integration conventional silicon‐based

Language: Английский

Citations

0

Energy‐Harvesting Carbon Aerogel Nanofiber Metafabric for High‐Efficiency Thermoregulation DOI
Yucheng Tian, Yixiao Chen,

Sai Wang

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 10, 2024

Abstract Maintaining body temperature within safe and comfortable range is crucial; however, thermoregulatory materials face challenges in variable environments extreme application scenarios. Here, a unique dual air‐gelation strategy developed to synthesize carbon aerogel nanofiber metafabric for energy‐harvesting thermoregulation. By manipulating polyacrylonitrile/water interaction charge density of the solution, phase separation Coulombic repulsion electrospun jets are promoted, forming curly nanofibers with internal nanopores (size 30–60 nm) that entangle create nanofibrous dual‐aerogel structure; obtained following pre‐oxidation optimized graphitization. The resulting exhibits high elasticity, robust resistance from −196 600 °C, exceptional thermal insulation performance, high‐efficiency electrothermal capability (adjustable 15 150 °C), photothermal property (radiation raised by 22 °C). This work provides rich possibilities develop advanced nanomaterials management.

Language: Английский

Citations

2

Polyphenol‐Mediated Multifunctional Human–Machine Interface Hydrogel Electrodes in Bioelectronics DOI Creative Commons
Lili Jiang, Donglin Gan, C. J. Xu

et al.

Small Science, Journal Year: 2024, Volume and Issue: 5(1)

Published: Nov. 21, 2024

Human-machine interface (HMI) electrodes enable interactions between humans and bioelectronic devices by facilitating electrical stimulation recording neural activity. However, reconciling the soft, hydrated nature of living human tissues with rigid, dry properties synthetic electronic systems is inherently challenging. Overcoming these significant differences, which critical for developing compatible, effective, stable interfaces, has become a key research area in materials science technology. Recently, hydrogels have gained prominence use HMI because are similar to can be tuned through incorporation nanofillers. This review examines functional requirements highlights recent progress development polyphenol-mediated multifunctional hydrogel-based bioelectronics. Furthermore, aspects such as mussel-inspired adhesion, underlying mechanisms, tissue-matching mechanical properties, electrochemical performance, biocompatibility, biofouling resistance, stability under physiological conditions, anti-inflammatory, antioxidant discussed. Finally, applications bioelectronics further perspectives outlined. Advances hydrogel expected facilitate unprecedented integration biological devices, potentially revolutionizing various biomedical fields enhancing capabilities performance devices.

Language: Английский

Citations

2

Recent progress of hydrogel-based bioelectronics for mechanophysiological signal sensing DOI
Xuan Huang, Nailin Yang,

Shumin Sun

et al.

Materials Science and Engineering R Reports, Journal Year: 2024, Volume and Issue: 162, P. 100888 - 100888

Published: Nov. 27, 2024

Language: Английский

Citations

2

Chemical regulation of lignin spatial conformation for a multifunctional soft material with a novel energy dissipation mechanism DOI
Yingying Su, Xiao Han,

Guanda Che

et al.

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 500, P. 157354 - 157354

Published: Nov. 1, 2024

Language: Английский

Citations

1

Stretchable and self-healing carboxymethyl cellulose/polyacrylic acid conductive hydrogels for monitoring human motions and electrophysiological signals DOI
Xiong Liu, Lizhi Chen,

Ayixianguli Sufu

et al.

International Journal of Biological Macromolecules, Journal Year: 2024, Volume and Issue: unknown, P. 138900 - 138900

Published: Dec. 1, 2024

Language: Английский

Citations

1

Chemistry and Heritage Conservation: Calcium-Based Mineralized Hydrogel for the Adhesive Restoration of Historical Artifacts DOI
Aizhao Pan, Chengyu Shi, Chunyu Zhao

et al.

Journal of Chemical Education, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 27, 2024

Chemistry and cultural heritage conservation are inextricably linked. Preserving historical artifacts is a challenging task that requires an understanding of chemistry. Combining the with chemical experimental teaching, calcium tannate mineralized hydrogel (TA-Ca/Gel) was designed to be applied as adhesive restore for undergraduate college students. Acrylic acid (AA), acrylamide (AM), N,N′-methylenebis(acrylamide) (MBAA) were used construct network hydrogel, while tannic (TA) Ca(OH)2 served mineralization adhesion-enhancing components. Tetramethylenediamine (TMEDA) gel accelerator. The structural morphological characterization TA-Ca/Gel performed assistance technicians from School Analysis Testing Center. Students plotted analyzed data using Origin software. properties measured by universal tensile tester. Finally, repair broken porcelain pottery. We have received positive feedback students through this comprehensive experiment, which helped obtain better how synthesize characterize analyze test data, present drawing This also introduced them study basic principles artifact protection well relationship between chemistry conservation. Inspired topic "Chemistry conservation", we deepened students' application cutting-edge knowledge.

Language: Английский

Citations

0