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Solar‑Powered Clothing for Hot and Cold Environments

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Advanced Fiber Materials 2024年第2期6卷 338-340页

作者： Guangming Tao Shiliang Zhang meifang zhu State Key Laboratory of Material Processing and Die and Mould Technology School of Materials Science and Engineering and Wuhan National Laboratory for OptoelectronicsHuazhong University of Science and TechnologyWuhan 430074China State Key Laboratory for Modification of Chemical Fibers and Polymer Materials College of Materials Science and EngineeringDonghua UniversityShanghai 201620China

Clothing plays a vital role in managing body temperature and ensuring optimal thermal comfort in our daily lives.A recent research article on Science highlights a groundbreaking development in the realm of intelligent thermoregulatory apparel—a self-sustaining,solar-powered garment designed to extend the range of thermal comfort throughout the entire *** work marks a significant advancement in the field of smart textiles,showcasing the potential to enhance the adaptability of clothing in response to varying environmental conditions.

关键词： Solar breaking comfort

natural polymer-based bilayer adhesive skin substitute for infected burned wound healing

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Bioactive Materials 2023年第11期 177-195页

作者： Mina Shahriari-Khalaji Mamoona Sattar Ran Cao meifang zhu State Key Laboratory for Modification of Chemical Fibers and Polymer Materials College of Materials Science and EngineeringDonghua UniversityShanghai201620China Research Group of Microbiological Engineering and Medical Materials College of Biological Science and Medical EngineeringDonghua UniversityShanghai201620China Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine Donghua UniversityShanghai201620China

Thermal wounds are complex and lethal with irregular shapes, risk of infection, slow healing, and large surface area. The mortality rate in patients with infected burns is twice that of non-infected burns. Developing multifunctional skin substitutes to augment the healing rate of infected burns is vital. Herein, we 3D printed a hydrogel scaffold comprising carboxymethyl chitosan (CMCs) and oxidized alginate grafted catechol (O-AlgCat) on a hydrophobic electrospun layer, forming a bilayer skin substitute (BSS). The functional layer (FL) was fabricated by physiochemical crosslinking to ensure favorable biodegradability. The gallium-containing hydrophobic electrospun layer or backing layer (BL) could mimic the epidermis of skin, avoiding fluid penetration and offering antibacterial activity. 3D printed FL contains catechol, gallium, and biologically active platelet rich fibrin (PRF) to adhere to both tissue and BL, show antibacterial activity, encourage angiogenesis, cell growth, and migration. The fabricated bioactive BSS exhibited noticeable adhesive properties (P ≤ 0.05), significant antibacterial activity (P ≤ 0.05), faster clot formation, and the potential to promote proliferation (P ≤ 0.05) and migration (P ≤ 0.05) of L929 cells. Furthermore, the angiogenesis was significantly higher (P ≤ 0.05) when evaluated in vivo and in ovo. The BSS-covered wounds healed faster due to low inflammation and high collagen density. Based on the obtained results, the fabricated bioactive BSS could be an effective treatment for infected burn wounds.

关键词： Infected burn wound Bioactive skin substitute Double cross-linked Anti-inflammation Tissue adhesion

Encapsulated Aerogel Fiber Mimicking the“Core–Shell”Structure of Polar Bear Hair for Thermal Insulation

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Advanced Fiber Materials 2024年第2期6卷 329-331页

作者： Guangming Tao Jiawei Wu meifang zhu State Key Laboratory of Material Processing and Die and Mould Technology School of Materials Science and Engineering and Wuhan National Laboratory for OptoelectronicsHuazhong University of Science and TechnologyWuhan 430074China State Key Laboratory for Modification of Chemical Fibers and Polymer Materials College of Materials Science and EngineeringDonghua UniversityShanghai 201620China

Designing and large-scale production of woven aerogel fibers with superior thermal insulation and multifunctionality to meet human demand for warm textiles is a major *** recent research,an encapsulated aerogel fiber that mimics the structure of polar bear hair has exhibited superior thermal insulation performance and mechanical *** innovation disrupts the current state of thermal insulation textiles,addresses the brittleness issue of aerogel fibers,and significantly enhances the processability of *** study lays the groundwork for manufacturing efficient and sustainable thermal insulation textiles,which have immense potential in areas such as military attire and spacesuits in extreme cold environments.

关键词： Aerogel fiber Polar bear hair Thermal insulation textile

Visual Detection of COVID‑19 from Materials Aspect

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Advanced Fiber Materials 2022年第6期4卷 1304-1333页

作者： Gang Wang Le Wang Zheyi Meng Xiaolong Su Chao Jia Xiaolan Qiao Shaowu Pan Yinjun Chen Yanhua Cheng meifang zhu State Key Laboratory for Modification of Chemical Fibers and Polymer Materials College of Materials Science and EngineeringDonghua UniversityShanghai 201620China

In the recent COVID-19 pandemic,World Health Organization emphasized that early detection is an effective strategy to reduce the spread of SARS-CoV-2 *** diagnostic methods,such as reverse transcription-polymerase chain reaction(RT-PCR)and lateral flow immunoassay(LFIA),have been applied based on the mechanism of specific recognition and binding of the probes to viruses or viral *** the remarkable progress,these methods still suffer from inadequate cellular materials or errors in the detection and sampling procedure of nasopharyngeal/oropharyngeal swab ***,developing accurate,ultrafast,and visualized detection calls for more advanced materials and technology urgently to fight against the *** this review,we first summarize the current methodologies for SARS-CoV-2 ***,recent representative examples are introduced based on various output signals(e.g.,colorimetric,fluorometric,electronic,acoustic).Finally,we discuss the limitations of the methods and provide our perspectives on priorities for future test development.

关键词： COVID-19 Virus diagnosis Rapid and high-throughput detection Visual detection Materials aspects

Perovskite Solar Fibers:Current Status,Issues and Challenges

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Advanced Fiber Materials 2019年第2期1卷 101-125页

作者： Andrew Balilonda Qian Li Mike Tebyetekerwa Rogers Tusiime Hui Zhang Rajan Jose Fatemeh Zabihi Shengyuan Yang Seeram Ramakrishna meifang zhu State Key Laboratory for Modification of Chemical Fibers and Polymer Materials International Joint Laboratory for Advanced Fiber and Low-dimension MaterialsCollege of Materials Science and EngineeringDonghua UniversityShanghai 201620People’s Republic of China Research School of Electrical Energy and Materials EngineeringCollege of Engineering and Computer ScienceThe Australian National UniversityCanberraACT 2601Australia Nanostructured Renewable Energy Materials Laboratory Faculty of Industrial Sciences and TechnologyUniversiti Malaysia Pahang26300 PekanMalaysia Centre for Nanofibers and Nanotechnology National University of SingaporeSingapore 117581Singapore

Perovskite-based solar cells with high power conversion efficiencies(PCEs)are currently being demonstrated in solid-state device *** elevated performances can possibly be attained with different non-standard geometries,for example,the fiber-shaped perovskite solar cells,in the light of careful design and ***-shaped solar cells are promising in smart textiles energy harvesting towards next-generation electronic applications and *** can be made with facile process and at low ***,fiber-shaped perovskite solar devices have been reported,particularly with the focus on the proof-of-concept in such non-traditional *** this line,there are so many technical aspects which need to be addressed,if these photovoltaic(PV)cells are to be industrialized and produced ***,a well-organized and comprehensive discussion about the reported devices in this arena is *** challenges that need to be addressed,the possible solutions and the probable applications of these PV cells are also *** still,the perovskite fiber-shaped PV cells with other fiber PV devices reported in literature in terms of their scope,characteristic designs,performances,and other technical considerations have been summarised.

关键词： Fiber-shaped solar cells Perovskites Photovoltaics Smart textiles Fiber materials

Multifunctional Semiconducting Fibers for Visual Detection of Sarin Gas

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Advanced Fiber Materials 2023年第5期5卷 1632-1642页

作者： Maomao Yao Ruilong Zhou Mingshuai Yuan Haoyu Wang Le Wang Hengda Sun Yanyan Fu Ru Xiao Hongzhi Wang Gang Wang meifang zhu State Key Laboratory for Modification of Chemical Fibers and Polymer Materials College of Materials Science and EngineeringDonghua UniversityShanghai 201620China Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of SciencesBeijing 100049China State Key Lab of Transducer Technology Shanghai Institute of Microsystem and Information TechnologyChinese Academy of SciencesShanghai 200050China

There is a growing need for protective instruments that can be used in extreme environments,including those encountered during exoplanet exploration,anti-terrorism activities,and in chemical *** instruments should have the ability to detect external threats visually and monitor internal physiological signals in real time for maximum *** address this need,multifunctional semiconducting fibers with visual detection ranging from yellow to red and near-field communication(NFC)capabilities have been developed for use in personal protective clothing.A composite conductive yarn with semiconducting fluorescent probe molecules is embroidered on the clothing,forming an NFC coil that allows for the visual monitoring of atmospheric safety through color *** fluorescence detection system was able to selectively detect diethyl chlorophosphate(DCP),a substitute for the toxic gas sarin,with a detection limit of 6.08 ppb,which is lower than the life-threatening concentration of sarin ***,an intelligent protective suit with the abovementioned dual functions was fabricated with good mechanical cycle stability and ***-time physiological signals such as the temperature and humidity of the wearer could be read through the NFC *** intelligent protective suits can quickly provide an early warning to the identified low-dose DCP and evaluate the health of wearer according to the changes in physiological *** study offers a smart,low-cost strategy for designing intelligent protective devices for extreme environments.

关键词： Multifunctional semiconducting fibers Visual detection Near-field communication(NFC) Fluorescence detection Intelligent protective suits

Mass‑Producible Hybrid Polytetrafluoroethylene Nanofiber Mat with Radial Island‑Chain Architecture as Anti‑pathogen Cloth in Individual Protection

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Advanced Fiber Materials 2024年第6期6卷 1839-1854页

作者： Bin Yu Haiyan Shi Xiangdong Han Shuaiwei Wang Ruiqi Sheng Liujun Gu Xiaoliang Liu Ke Zhang Tao Huang meifang zhu Hao Yu State Key Lab for Modification of Chemical Fibers and Polymer Materials College of Material Science and EngineeringDonghua UniversityShanghai 201620People’s Republic of China Jiangsu JINYOU New Materials Co. Ltd.Nantong 226151People’s Republic of China Shanghai Institute of Lmmunity and Infection Chinese Academy of SciencesShanghai 200031People’s Republic of China

Developing an advanced individual protection cloth is a pivotal factor in combating global pathogen ***,formidable challenges are posed by the triangularity imbalance effect,necessitating the simultaneous fulfillment of require-ments for high comfort,high safety,and mass *** this study,a mass-producible hybrid polytetrafluoroethylene nanofiber mat(HPNFM)was developed by integrating technologies of organic-inorganic hybridization and membrane asynchronous *** comfort was attained by conferring waterproofing and breathability attributes,achieved through the radial island-chain architecture exhibiting hydrophobicity and ***,through the incorpo-ration of high-efficiency anti-pathogen nanoparticles,the HPNFM ensures high safety,demonstrating active antibacterial and antiviral *** is achieved through the synergistic effects of electrostatic induction and reactive oxygen species-based pathogen *** significantly,an HPNFM-based individual protective suit is designed and manufactured,which successfully encapsulates the advantages of high comfort,safety,and mass production,displaying competitiveness as a commercial *** as a viable strategy,this work holds substantial potential for practical applications in responding to future epidemics.

关键词： Hybrid PTFE nanofiber mat Waterproofing and breathability Mass-producible anti-pathogen cloth Radial island-chain architecture Individual protection

Confinement fluorescence effect of an aggregation-induced emission luminogen in crystalline polymer

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Aggregate

Aggregate 2023年第5期4卷 112-119页

作者： Lan Zhou Linlin Zheng Xiaoxiao Yu Mengyue Gao Chengjian Xu Yifan Ge Tianxiang Bai Jin Wen Yanhua Cheng meifang zhu State Key Laboratory for Modification of Chemical Fibers and Polymer Materials College of Materials Science and EngineeringDonghua UniversityShanghaiChina

Despite the impressive progress of stimuli-responsive fluorescent materials,little is known about the influence of confinement created by crystalline polymer over the fluorescence properties of fluorescent *** effects of confinement on the fluorescence of an aggregation-induced emission luminogen(AIEgen)are investigated using computational simulations,which reveal that the confined space induces the AIEgens to take a more planar conformation,resulting in a red-shifted emission *** this property,the study is extended to explore the confinement generated by various polymer crystalline forms,and it is shown that different fluorescence colors are *** confinement fluorescence effect is attributed to the different spatial dimensions of the polymer amorphous layer between lamellar crystals where the AIEgens are *** results indicate the immediate association between crystalline structure and fluorescence signals,activating unprecedented photophysical properties of luminescent materials,and also providing the possibility for crystalline structure visualization,it is important for the many polymer crystallization processes occurring in the materials processing.

关键词： aggregation-induced emission confinement fluorescence effect polymer crystalline structure

Cooperative Chemical Coupling and Physical Lubrication Effects Construct Highly Dynamic Ionic Covalent Adaptable Network for High-Performance Wearable Electronics

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CCS Chemistry 2023年第5期5卷 1096-1107页

作者： Lijie Sun Hongfei Huang Qingbao Guan Lei Yang Luzhi Zhang Benhui Hu Rasoul Esmaeely Neisiany Zhengwei You meifang zhu State Key Laboratory for Modification of Chemical Fibers and Polymer Materials College of Materials Science and EngineeringInstitute of Functional MaterialsResearch Base of Textile Materials for Flexible Electronics and Biomedical Applications(China Textile Engineering Society)Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative MedicineDonghua UniversityShanghai 201620 Key Laboratory of Clinical and Medical Engineering School of Biomedical Engineering and InformaticsNanjing Medical UniversityNanjing 211166 Department of Materials and Polymer Engineering Faculty of EngineeringHakim Sabzevari UniversitySabzevar ***

Covalent adaptable networks(CANs),which combine the benefits of traditional thermosets and thermoplastics,have attracted considerable *** dynamics of reversible covalent bonds and mobility of polymer chains in CANs determine the topological rearrangement of the polymeric network,which is critical to their superior features,such as self-healing and ***,we introduce an ionic liquid to dimethylglyoximeurethane(DOU)-based CANs to regulate both reversible bond dynamics and polymer chain mobility by cooperative chemical coupling and physical ***-molecule model experiments demonstrated that ionic liquids can catalyze dynamic DOU bond *** liquid also breaks the hydrogen bonds between polymeric chains,thereby increasing their *** a combined result,the activation energy of the dissociation of the dynamic network decreased from 110 to 85 kJ mol^(−1).Furthermore,as a functional moiety,the ionic liquid imparts new properties to CANs and will greatly expand their *** example,the consequent conductivity of resultant ionic CAN(iCAN)has demonstrated a great power to build high-performance multifunctional wearable electronics responsive to multiple stimulations including temperature,strain,and *** study provides a new design principle that simultaneously uses the chemical and physical effects of two structural components to regulate material properties enabling novel applications.

关键词： covalent adaptable networks polyurethane self-healing recycling ionic skin