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16th Textile Bioengineering and Informatics Symposium, TBIS 2023

作者： Youn, Seonyoung Darden, Ryan Mathur, Kavita Fiber and Polymer Science Ph.D. Program North Carolina State University RaleighNC27606 United States Department of Textile Engineering Chemistry and Sciences M.S. Textile Engineering Program North Carolina State University RaleighNC27606 United States Department of Textile and Apparel Technology and Management North Carolina State University RaleighNC27606 United States

ISBN: (纸本)9781713879473

This paper presents a comprehensive review on the current state of digital simulation technology and its strategic application usages with a key focus on advanced compression garments. Although three-dimensional (3D) digital garment simulators have significantly impacted the apparel and textile industry, their use has been limited to visual prototyping, quality checking, or marketing. The physical properties of garment simulators have been overlooked in advanced functional manufacturing. This literature review investigates the possibility of strategically utilizing virtual physical properties to enhance garment functions, specifically in wearables and medical-grade compression fields. The first phase of this paper gives an overview of the current state of 3D garment simulation tools and their measurement features. This is followed by a gap analysis between simulated and physical property evaluations, focusing on minimizing the gaps. The literature is thoroughly examined to identify appropriate studies that uses digital tools for compressional garments and add value to wearables and healthcare applications. This paper provides valuable insights for apparel and textile engineers, enabling them to better understand the limitations and capabilities of garment simulators in improving advanced features for specific end users. © TBIS 2023. All rights reserved.

关键词： Physical properties

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Advanced Flexible Carbon‑Based Current Collector for Zinc Storage

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Advanced fiber Materials 2022年第6期4卷 1500-1510页

作者： Hao Jia Minghui Qiu Chunxia Tang Hongqi Liu Jinlin Xu Benjamin Tawiah Shou‑xiang Jiang Xiangwu Zhang Key Laboratory of Eco‑Textiles Ministry of EducationJiangnan UniversityWuxiJiangsuPeople’s Republic of China Institute of Textiles and Clothing The Hong Kong Polytechnic UniversityHong KongPeople’s Republic of China Department of Industrial Art(Textiles) Kwame Nkrumah University of Science and TechnologyKumasiGhana Fiber and Polymer Science Program Department of Textile EngineeringChemistry and ScienceWilson College of TextilesNorth Carolina State UniversityRaleighNC 27695‑8301USA

Carbon cloth(CC)-based electrodes have attracted extensive attention for next-generation wearable energy-storage devices due to their excellent electrical conductivity and mechanical ***,the application of conventional CC-based electrodes for zinc(Zn)storage severely hinders Zn ion transport and induces deleterious Zn dendrite growth,resulting in poor electrochemical ***,a novel oxygen plasma-treated carbon cloth(OPCC)is rationally designed as a current collector for flexible hybrid Zn ion supercapacitors(ZISs).The modified interface of OPCC with abundant oxygenated groups enables enhanced electrolyte wettability and uniform superficial electric field distribution.A prolonged working lifespan for Zn electrodeposition is achieved by the OPCC due to the improved interfacial kinetics and homogenized ion *** as-prepared hybrid ZIS also delivers excellent cycling endurance(98.5%capacity retention for 1500 cycles)with outstanding operation stability under various extreme *** facile surface modification strategy provides a new way for developing future flexible electrodes for wearable electronic products.

关键词： Zinc ion supercapacitor Carbon cloth Oxygen plasma treatment Interface kinetics

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Two-dimensional MXenes:New frontier of wearable and flexible electronics

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InfoMat 2022年第4期4卷 1-28页

作者： Abbas Ahmed Sudeep Sharma Bapan Adak Md Milon Hossain Anna Marie LaChance Samrat Mukhopadhyay Luyi Sun Polymer Program Institute of Materials ScienceUniversity of ConnecticutStorrsConnecticutUSA Advanced Sensor and Energy Research(ASER)Lab Department of Electronic EngineeringKwangwoon UniversitySeoulSouth Korea Department of Textile and Fiber Engineering Indian Institute of TechnologyNew DelhiIndia Department of Textile Engineering Chemistry and ScienceNorth Carolina State UniversityRaleighNorth CarolinaUSA Department of Textile Engineering Khulna University of Engineering&TechnologyKhulnaBangladesh Department of Chemical and Biomolecular Engineering University of ConnecticutStorrsConnecticutUSA

Wearable electronics offer incredible benefits in mobile healthcare monitoring,sensing,portable energy harvesting and storage,human-machine interactions,etc.,due to the evolution of rigid electronics structure to flexible and stretchable ***,transition metal carbides and nitrides(MXenes)are highly regarded as a group of thriving two-dimensional nanomaterials and extraordinary building blocks for emerging flexible electronics platforms because of their excellent electrical conductivity,enriched surface functionalities,and large surface *** article reviews the most recent developments in MXene-enabled flexible electronics for wearable *** MXeneenabled electronic devices designed on a nanometric scale are highlighted by drawing attention to widely developed nonstructural attributes,including 3D configured devices,textile and planer substrates,bioinspired structures,and printed ***,the unique progress of these nanodevices is highlighted by representative applications in healthcare,energy,electromagnetic interference(EMI)shielding,and humanoid control of *** emerging prospects of MXene nanomaterials as a key frontier in nextgeneration wearable electronics are envisioned and the design challenges of these electronic systems are also discussed,followed by proposed solutions.

关键词： flexible electronics MXene nanostructures wearable electronics

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Understanding ADC variation by fat content effect using a dual-function MRI phantom

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European Radiology Experimental 2024年第1期8卷 19页

作者： Liu, Yi-Jui Tsai, Tung-Sheng Li, Ya-Hui Peng, Jo-Hua Chang, Hing-Chiu Peng, Hsu-Hsia Lee, Ying-Chieh Lee, Tung-Yang Liou, Chang-Hsien Lin, Tz-Feng Chew, Fatt-Yang Chou, Ruey-Hwang Juan, Chun-Jung Department of Automatic Control Engineering Feng Chia University Taichung Taiwan Ph.D. Program in Electrical and Communication Engineering Feng Chia University Taichung Taiwan Department of Medical Imaging China Medical University Hsinchu Hospital 199 Sec. 1 Xinglong Rd. Hsinchu County Zhubei City 302 Taiwan Department of Biomedical Engineering and Environmental Sciences National Tsing Hua University Hsinchu Taiwan Department of Biomedical Engineering Chinese University of Hong Kong Hong Kong Master’s Program of Biomedical Informatics and Biomedical Engineering Feng Chia University Taichung Taiwan Cheng Ching Hospital Taichung Taiwan Institute of Nuclear Engineering and Science National Tsing Hua University Hsinchu Taiwan Department of Fiber and Composite Materials Feng Chia University Taichung Taiwan Department of Medical Imaging China Medical University Hospital Taichung Taiwan Department of Radiology School of Medicine China Medical University Taichung Taiwan Graduate Institute of Biomedical Sciences China Medical University Taichung 406 Taiwan Center for Molecular Medicine China Medical University Hospital Taichung Taiwan Department of Medical Laboratory and Biotechnology Asia University Taichung Taiwan

Background: A dual-function phantom designed to quantify the apparent diffusion coefficient (ADC) in different fat contents (FCs) and glass bead densities (GBDs) to simulate the human tissues has not been documented yet. We propose a dual-function phantom to quantify the FC and to measure the ADC at different FCs and different GBDs. Methods: A fat-containing diffusion phantom comprised by 30 glass-bead-containing fat-water emulsions consisting of six different FCs (0, 10, 20, 30, 40, and 50%) multiplied by five different GBDs (0, 0.1, 0.25, 0.5, and 1.0 g/50 mL). The FC and ADC were measured by the “iterative decomposition of water and fat with echo asymmetry and least squares estimation-IQ,” IDEAL-IQ, and single-shot echo-planar diffusion-weighted imaging, SS-EP-DWI, sequences, respectively. Linear regression analysis was used to evaluate the relationship among the fat fraction (FF) measured by IDEAL-IQ, GBD, and ADC. Results: The ADC was significantly, negatively, and linearly associated with the FF (the linear slope ranged from -0.005 to -0.017, R² = 0.925 to 0.986, all p < 0.001). The slope of the linear relationship between the ADC and the FF, however, varied among different GBDs (the higher the GBD, the lower the slope). ADCs among emulsions across different GBDs and FFs were overlapped. Emulsions with low GBDs plus high FFs shared a same lower ADC range with those with median or high GBDs plus median or lower FFs. Conclusions: A novel dual-function phantom simulating the human tissues allowed to quantify the influence of FC and GBD on ADC. Relevance statement: The study developed an innovative dual-function MRI phantom to explore the impact of FC on ADC variation that can affect clinical results. The results revealed the superimposed effect on FF and GBD density on ADC measurements. Key points: • A dual-function phantom made of glass bead density (GBD) and fat fraction (FF) emulsion has been developed. • Apparent diffusion coefficient (ADC) values

关键词： Adipose tissue Diffusion magnetic resonance imaging Phantoms (imaging) Quality assurance (healthcare) Quality control

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A Review on Digital Simulation Strategies and Its Applications for Advanced Compression Garments

A Review on Digital Simulation Strategies and Its Applicatio...

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作者： Seonyoung Youn Ryan Darden Kavita Mathur Fiber and Polymer Science Ph.D.program North Carolina State University Department of Textile Engineering Chemistry and Sciences M.S.Textile Engineering program North Carolina State University Department of Textile and Apparel Technology and Management North Carolina State University

This paper presents a comprehensive review on the current state of digital simulation technology and its strategic application usages with a key focus on advanced compression garments. Although three-dimensional(3D) digital garment simulators have significantly impacted the apparel and textile industry, their use has been limited to visual prototyping, quality checking, or marketing. The physical properties of garment simulators have been overlooked in advanced functional manufacturing. This literature review investigates the possibility of strategically utilizing virtual physical properties to enhance garment functions, specifically in wearables and medical-grade compression fields. The first phase of this paper gives an overview of the current state of 3D garment simulation tools and their measurement features. This is followed by a gap analysis between simulated and physical property evaluations, focusing on minimizing the gaps. The literature is thoroughly examined to identify appropriate studies that uses digital tools for compressional garments and add value to wearables and healthcare applications. This paper provides valuable insights for apparel and textile engineers, enabling them to better understand the limitations and capabilities of garment simulators in improving advanced features for specific end users.

关键词： 3D Digital Garment Simulator Advanced Compression Garment Digital Strategy Medical-grade Compression Simulated Physical Property Virtual Evaluation

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Elastomer-Based Soft Syntactic Foam with Broadly Tunable Mechanical Properties and Shapability

SSRN

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SSRN 2024年

作者： Ghosh, Tushar K. Pragya, Akanksha Young, Natalie Department of Textile Engineering Chemistry and Science Wilson College of Textiles North Carolina State University RaleighNC27606 United States Fiber and Polymer Science Program Wilson College of Textiles North Carolina State University RaleighNC27695 United States

Fabrication of lightweight composites using thermally responsive expandable microspheres (EM) embedded in an elastomeric matrix to form syntactic foams offers significant opportunities to create functional and structural composites for diverse applications. The morphology of the EM-elastomer composite on the micro- and macro-scales is significantly influenced by the fabrication sequence and parameters (composition, expansion time/temperature, etc.). Herein, we report the morphological evolution of an EM-elastomer composite through the fabrication processes and elucidate the interaction of relevant fabrication parameters. Unlike the majority of published reports on hard EM composites, the in-situ expansion of the closed-cell foam structure within a soft matrix leads to larger void sizes, and the concomitant expansive force of the EM impacts the polymer chain mobility within the soft composite. At the same time, higher EM loading improves the mechanical properties;the evolved microstructure leads to a lightweight but stiff structure. For the first time, the report details the thermal expansion of EM under applied pretension, which leads to irreversible prestrain-dependent morphological changes toward anisotropic mechanical properties. Additionally, the composites are shaped under constrained expansion. The study provides a comprehensive guide and expands the pathways for the practical application of EM-embedded soft syntactic foams in aerospace, electronics, wearables, robotics, etc. © 2024, The Authors. All rights reserved.

关键词： Elastomers

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A Braided Flexible Zn-MnO2 Yarn Battery Based on Cobweb-Like Carbonized Polypyrrole Modified Carbon fiber Electrodes

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SSRN 2023年

作者： Chen, Lei Hu, Kairui Yang, Ke Yanilmaz, Meltem Han, Xu Liu, Yong Zhang, Xiangwu School of Textile Science and Engineering Tiangong University Tianjin300387 China Department of Textile Engineering Istanbul Technical University Istanbul Turkey Fiber and Polymer Science Program Department of Textile Engineering Chemistry and Science Wilson College of Textiles North Carolina State University RaleighNC27695 United States

Flexible zinc ion batteries (ZIBs) are promising candidate for energy storage devices because of high safety and low cost. Carbon fiber (CF) is an ideal current collector for ZIBs due to its good flexibility, electrical conductivity and corrosion resistance. Herein, a novel CF-based current collector is proposed. At first, the inertness and non-polarity of CF were significantly modified by activating and etching to obtain a multi-layered pore structure. After then, carbonized polypyrrole (CPPy) nanowire conductive networks were built up on etched carbon fiber (ECF) by electrochemical in-situ growing and carbonization. Based on the CPPy network, MnO2 nanoflowers were grown firmly by the hydrothermal method to construct a multilayer MnO2@CPPy@ECF composite electrode. The multi-layered three-dimensional CPPy conductive network is rooted in the interior of MnO2, providing a dedicated transmission path for both electrons and ions during electrochemical redox reactions. The MnO2@CPPy@ECF electrode had an initial capacity of 346.1 mAh·g-1 at 0.1 A·g-1 and 252.8 mAh·g-1 after 800 cycles. In addition, the integrated flexible Zn-MnO2 2D fabric battery with MnO2@CPPy@ECF fabric cathode shows a specific capacity of 254.7 mAh·g-1 at 0.1 A · g-1. Finally, a flexible Zn-MnO2 yarn battery with unique structural advantages of high flexibility, shape adaptability, structural integrity and good mechanical stability was fabricated by the 2D braid method. The initial specific capacity of the flexible Zn-MnO2 yarn battery is 111.7 mAh·g-1 at 0.1C, and the coulomb efficiency reaches more than 98%. This work opens up a new pathway for the rational design of flexible electrodes for wearable ZIBs. © 2023, The Authors. All rights reserved.

关键词： Yarn

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Electrospun Nanofibers Enabled Advanced Lithium−Sulfur Batteries

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Accounts of Materials Research 2022年第2期3卷 149-160页

作者： Jiadeng Zhu Hui Cheng Pei Zhu Ya Li Qiang Gao Xiangwu Zhang Chemical Sciences Division Oak Ridge National LaboratoryOak RidgeTennessee 37831United States Fiber and Polymer Science Program Wilson College of TextilesNorth Carolina State UniversityRaleighNorth Carolina 27695-8301United States College of Textile Science and Engineering International College of SilkZhejiang Sci-Tech UniversityHangzhou 310018China School of Chemistry and Chemical Engineering Yangzhou UniversityYangzhou 225002China

CONSPECTUS:Lithium−sulfur(Li−S)batteries have been extensively studied because both S and Li have high theoretical capacities,and S is abundant and environmentally ***,their practical applications have been hindered by several challenges,including poor conductivity of S and its intermediates,shuttle effects of polysulfides,Li dendrite growth,*** efforts have been taken to tackle these issues by developing functional S host materials,separators and interlayers,solid-state electrolytes,etc.,during the past *** to structurally complicated materials and intricate preparation approaches,electrospun nanofibers have obtained tremendous interests since they have played an extremely crucial role in improving the overall performance of Li−S cells due to their unique features such as easy-setup,substantial surface area,outstanding flexibility,high porosity,excellent mechanical properties,etc.

关键词： fibers porosity conductivity

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The Role of Aldehyde-Functionalized Crosslinkers on the Property of Chitosan Hydrogels (vol 22, 2100477, 2022)

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MACROMOLECULAR BIOscience 2022年第10期22卷 2100477-2100477页

作者： Yeh, Ying-Yu Tsai, Yu-Ting Wu, Chun-Yu Tu, Ling-Hsien Bai, Meng-Yi Yeh, Yi-Cheun Institute of Polymer Science and Engineering National Taiwan University Taipei 10617 Taiwan Graduate Institute of Biomedical Engineering National Taiwan University of Science and Technology Taipei 10607 Taiwan Department of Chemistry National Taiwan Normal University Taipei 11677 Taiwan Biomedical Engineering Program Graduate Institute of Applied Science and Technology National Taiwan University of Science and Technology Taipei 10607 Taiwan Adjunct Appointment to the Department of Biomedical Engineering National Defense Medical Center Taipei 11490 Taiwan

Chitosan has been utilized as a popular biopolymer to fabricate hydrogels for biomedical applications. However, chitosan hydrogels are generally too brittle to mimic the deformability of the extracellular matrix in many tissues and organs. In particular, the role of the varied crosslinkers in determining the elasticity of chitosan hydrogels is lack of discussion. Here, three aldehyde-functionalized crosslinkers (i.e., aldehyde-modified poly(xylitol sebacate)-co-poly(ethylene glycol) (APP), glutaraldehyde (GA), and polydextran aldehyde (PDA)) are used to react with quaternized chitosan (QCS) through imine bonds to form hydrogels. The microstructures, mechanical performances, and cytocompatibility of the three hydrogels are systematically investigated. The APP/QCS hydrogels presented the best compressive and stretch properties among the three hydrogels. The mechanical property and antibacterial activity of APP/QCS hydrogels can be further modulated using varied QCS amounts, where more QCS contributed higher stiffness and stretchability as well as better bacterial inhibition to the APP/QCS hydrogels. Taken together, it is demonstrated that the inherent elastomeric characteristic of APP crosslinker provides the desirable elasticity and stretchability to QCS hydrogels compared to the other aldehyde-functionalized crosslinkers of GA and PDA. This strategy of using multivalent elastomeric crosslinkers to fabricate deformable chitosan hydrogels can expand the use of chitosan hydrogels in tissue engineering applications.

关键词： antibacterial property chitosan elasticity hydrogels stretchability

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Electrospun Aligned PCL/Gelatin Scaffolds Mimicking the Skin ECM for Effective Antimicrobial Wound Dressings

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Advanced fiber Materials 2023年第1期5卷 235-251页

作者： Erfan Rezvani Ghomi Rajamani Lakshminarayanan Vijila Chellappan Navin Kumar Verma Amutha Chinnappan Rasoul Esmaeely Neisiany Kottaiswamy Amuthavalli Zhi Sheng Poh Brandon Han Siang Wong Nileshkumar Dubey Roger Narayan Seeram Ramakrishna Department of Mechanical Engineering Center for Nanotechnology and SustainabilityNational University of SingaporeSingapore 117581Singapore Ocular Infections and Antimicrobials Research Group Singapore Eye Research InstituteThe Academia20 College RoadDiscovery TowerSingapore 169856Singapore Institute of Materials Research and Engineering(IMRE) Agency for Science Technology and Research(A*STAR)#08‑032 Fusionopolis WayInnovisSingapore 138634Singapore Lee Kong Chian School of Medicine Nanyang Technological University SingaporeClinical Sciences Building11 Mandalay RoadSingapore 308232Singapore Department of Pharmacy National University of Singapore18 Science Drive 4Singapore 117543Singapore Academic Clinical Program in Ophthalmology and Visual Sciences Academic Clinical Program Duke-NUS Medical SchoolSingapore 169857Singapore National Skin Centre 1 Mandalay RoadSingapore 308205Singapore Department of Materials and Polymer Engineering Faculty of EngineeringHakim Sabzevari UniversitySabzevar ***Iran Faculty of Dentistry National University of SingaporeSingapore 119085Singapore ORCHIDS:Oral Care Health Innovations and Designs Singapore National University of SingaporeSingaporeSingapore 119085Singapore Department of Biomedical Engineering University of North Carolina at Chapel HillChapel HillNC 27514USA

Bacterial infections and multidrug-resistant bacteria are major health burdens in wound *** antimicrobial agents,e.g.,ε-polylysine(ε-PL),provide a broad spectrum of antibacterial properties and support dermal cell ***,ε-PL was incorporated into polycaprolactone(PCL)/gelatin electrospun scaffolds collected at varying rotation ***,the samples were crosslinked using dopamine hydrochloride to provide highly proliferative dressings with broad antimicrobial *** morphological study showed that the electrospun wound dressings were smooth,continuous,and bead-free,with a mean diameter ranging from 267±7 to 331±8 nm for all random and aligned *** fiber alignment of the electrospun PCL/gelatin scaffolds improved their tensile strength and ***,nanofiber mats are highly hydro-philic,which is crucial for an efficient wound *** samples also demonstrated high antimicrobial properties against common wound bacterial strains,including methicillin-resistant Staphylococcus aureus(MRSA),Staphylococcus aureus(SA),Escherichia coli(EC),Acinetobacter baumannii(AB),and Pseudomonas aeruginosa(PA).Mammalian cell prolifera-tion and morphology assays involving primary human dermal fibroblasts(hDFs)and immortalized keratinocytes(HaCaT)showed excellent biocompatibility of the electrospun mats and remarkably aligned ***,aligned mats showed more cell migration than randomly oriented mats,which is desirable for more efficient wound ***,it can be concluded that aligned PCL/gelatin mats containingε-PL are promising for potential use in wound dressings.

关键词： Electrospinning Wound healing fiber alignment Biomaterials Nanofiber dressing Bacterial infections

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