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Thermally Drawn Multi‑material Fibers Based on Polymer Nanocomposite for Continuous Temperature Sensing

Advanced Fiber Materials 2023年第5期5卷 1712-1724页

作者： Woo Mi Ryu Yunheum Lee Yeonzu Son Geonho Park Seongjun Park Department of Bio and Brain Engineering Korea Advanced Institute of Science and Technology(KAIST)Daejeon 34141South Korea Program of Brain and Cognitive Engineering Korea Advanced Institute of Science and Technology(KAIST)Daejeon 34141South Korea Department of Chemical and Biomolecular Engineering Korea Advanced Institute of Science and Technology(KAIST)Daejeon 34141South Korea KAIST Institute for NanoCentury Korea Advanced Institute of Science and Technology(KAIST)Daejeon 34141South Korea KAIST Institute for Health Science and Technology Korea Advanced Institute of Science and Technology(KAIST)Daejeon 34141South Korea

With increasing personalized healthcare,fiber-based wearable temperature sensors that can be incorporated into textiles have attracted more attention in the field of wearable ***,we present a flexible,well-passivated,polymer–nanocomposite–based fiber temperature sensor fabricated by a thermal drawing process of multiple *** engineered a preform to optimize material processability and sensor performance by considering the rheological and functional properties of the preform *** fiber temperature sensor consisted of a temperature-sensing core made from a conductive polymer composite of thermoplastic polylactic acid,a conductive carbon filler,reduced graphene oxide,and a highly flexible linear low-density polyethylene passivation *** fiber temperature sensor exhibited adequate sensitivity(−0.285%/℃)within a temperature range of 25–45℃with rapid response and recovery times of 11.6 and 14.8 s,*** addition,it demonstrated a consistent and reliable temperature response under repeated mechanical and chemical stresses,which satisfied the requirements for the long-term application of wearable fiber ***,the fiber temperature sensor sewn onto a daily cloth and hand glove exhibited a highly stable performance in response to body temperature changes and temperature detection by *** results indicate the great potential of this sensor for applications in wearable,electronic skin,and other biomedical devices.

关键词： Fiber temperature sensor Wearable device Thermal drawing process Multi-material thermal drawing conductive polymer composite

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Design of Fuel Salt Irradiation for Fission Products Gamma Spectroscopy and Off-Gassing Study

Design of Fuel Salt Irradiation for Fission Products Gamma S...

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2022 Transactions of the American Nuclear Society Winter Meeting and Technology Expo, ANS 2022

作者： Van Zile, Matthew Gordon, Emily Kandlakunta, Praneeth Kauffman, Andrew Bisbee, Matthew Li, Shelly Simpson, Michael Shahbazi, Shayan Cao, Lei R. Nuclear Engineering Program Department of Mechanical and Aerospace Engineering The Ohio State University United States Chemical Engineering Program Department of Chemical and Biomolecular Engineering The Ohio State University United States Nuclear Reactor Laboratory College of Engineering The Ohio State University United States Nuclear PyroMetallurgy Laboratory University of Utah United States Argonne National Lab United States

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Development of exosome membrane materialsfused microbubbles for enhanced stability and efficient drug delivery of ultrasound contrast agent

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Acta Pharmaceutica Sinica B 2023年第12期13卷 4983-4998页

作者： Yongho Jang Jeehun Park Pilsu Kim Eun-Joo Park Hyungjin Sun Yujin Baek Jaehun Jung Tai-kyong Song Junsang Doh Hyuncheol Kim Department of Chemical and Biomolecular Engineering Sogang UniversitySeoul 04107Republic of Korea Research Institute of Advanced Materials(RIAM) Institute of Engineering ResearchSeoul National UniversitySeoul 08826Republic of Korea Department of Electronic Engineering Sogang UniversitySeoul 04107Republic of Korea Biomedical Research Institute&Department of Radiology Seoul National University HospitalSeoul 03080Republic of Korea Interdisciplinary Program in Bioengineering Seoul National UniversitySeoul 08826Republic of Korea Department of Materials Science and Engineering Seoul National UniversitySeoul 08826Republic of Korea Institute of Engineering Research Bio-MAX InstituteSeoul National UniversitySeoul 08826Republic of Korea Department of Biomedical Engineering Sogang UniversitySeoul 04107Republic of Korea

Lipid-coated microbubbles are widely used as an ultrasound contrast agent,as well as drug delivery ***,the two main limitations in ultrasound diagnosis and drug delivery using microbubbles are the short half-life in the blood system,and the difficulty of surface modification of microbubbles for active *** exosome,a type of extracellular vesicle,has a preferentially targeting ability for its original *** this study,exosome-fused microbubbles(Exo-MBs)were developed by embedding the exosome membrane proteins into *** a result,the stability of Exo-MBs is improved over the conventional *** the same principle that under the exposure of ultrasound,microbubbles are cavitated and self-assembled into nano-sized particles,and Exo-MBs are self-assembled into exosome membrane proteins-embedded nanoparticles(Exo-NPs).The Exo-NPs showed favorable targeting properties to their original cells.A photosensitizer,chlorin e6,was loaded into Exo-MBs to evaluate therapeutic efficacy as a drug *** higher therapeutic efficacy of photodynamic therapy was confirmed,followed by cancer immunotherapy from immunogenic cell *** have therefore developed a novel ultrasound image-guided drug delivery platform that overcomes the shortcomings of the conventional ultrasound contrast agent and is capable of simultaneous photodynamic therapy and cancer immunotherapy.

关键词： Exosomes Microbubbles Photodynamic therapy Ultrasound Sonoporation Cancer immunotherapy Drug delivery

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Optimization of photocatalytic ceramic membrane filtration by response surface methodology: Effects of hydrodynamic conditions on organic fouling and removal efficiency

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Chemosphere 2024年 356卷 141885页

作者： Jang, Hoseok Lee, Chang Soo Kim, Jong Hak Kim, Jeonghwan Department of Environmental Engineering Program of Environmental and Polymer Engineering Inha University Michuholgu Incheon22212 Korea Republic of Department of Chemical Engineering Pukyong National University Busan48513 Korea Republic of Department of Chemical and Biomolecular Engineering Yonsei University Seoul03722 Korea Republic of

The effects of the operating conditions, including the applied pressure, feed organic concentration, and recirculation flowrate along the TiO2-coated ceramic membrane, on the normalized membrane permeability and organic removal efficiency were systematically investigated by operating a photocatalytic membrane reactor (PMR). Response surface methodology (RSM) was conducted to better understand the interactive effect of operational conditions as well as their individual and combined effects to control membrane performance. Our results showed that the applied pressure and feed organic concentration, as single parameter, affected the normalized membrane permeability and organic removal efficiency more dominantly than the recirculation flowrate. The polynomial performance equations generated by RSM successfully predicted the membrane performance of the PMR. The responses to the normalized membrane permeability and organic removal efficiency with respect to the operational conditions were less sensitive to any combination of operational conditions than to their individual impacts. The combined effects of the operating conditions were less pronounced in promoting the catalytic performance of organic contaminants on the TiO2 surface. Our RSM analysis based on experimental observations designed by Box–Behnken Design (BBD) suggested that 1.3 bar of applied pressure, 44 mg/L of feed organic dye concentration and 0.8 L/min as recirculation flowrate as optimum conditions achieved more than 98% of organic removal efficiency and less than 5% of decline in normalized membrane permeability. This research shows that the RSM provides effective tool to optimize operational conditions to determine fouling rate and organic removal in PMR. © 2024 Elsevier Ltd

关键词： Titanium dioxide

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Scaled-up synthesis of defect-rich layered double hydroxide monolayers without organic species for efficient oxygen evolution reaction

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Green Energy & Environment 2022年第5期7卷 975-982页

作者： Haoyuan Chi Jingwen Dong Tian Li Sha Bai Ling Tan Jikang Wang Tianyang Shen Guihao Liu Lihong Liu Luyi Sun Yufei Zhao Yu-Fei Song State Key Laboratory of Chemical Resource Engineering Beijing University of Chemical TechnologyBeijing100029China College of Chemistry Key Laboratory of Theoretical&Computational Photochemistry of Ministry of EducationBeijing Normal UniversityBeijing100875China Polymer Program Institute of Materials Science and Department of Chemical&Biomolecular EngineeringUniversity of ConnecticutStorrsConnecticut06269USA Beijing Advanced Innovation Center for Soft Matter Science and Engineering Beijing University of Chemical TechnologyBeijing100029China

The scaled-up synthesis of organic-free monolayer nanomaterials is highly desirable,especially in obtaining green energy by *** this study,a method for the scaled-up synthesis of the series of monolayer layered double hydroxides(LDHs)without the addition of organic solvents is reported via the separate nucleation and aging steps *** resulting monolayer LDHs with the thicknesses of less than 1 nm showed a narrow thickness distribution.X-ray absorption fine-structure revealed that monolayer NiFe-LDH nanosheets have a number of oxygen and metal vacancies *** a practical application,monolayer NiFe-LDH nanosheets containing defects showed an enhanced electrocatalytic water oxidation activity compared with that of bulk *** functional theory calculations uncovered that excellent catalytic activity is attributed to vacancies *** proposed method is an economical and universally applicable strategy for the scaled-up production of monolayer LDHs.

关键词： process synthesis monolayer

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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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Self-Priming Hairpin-Utilized Isothermal Amplification Enabling Ultrasensitive Nucleic Acid Detection (vol 92, pg 10350, 2020)

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ANALYTICAL CHEMISTRY 2020年第18期92卷 12729-12729页

作者： Song, Jayeon Jung, Yujin Lee, Seoyoung Park, Hyun Gyu Department of Chemical and Biomolecular Engineering (BK 21+ program) KAIST Daehak-ro 291 Yuseong-gu Daejeon 34141 Republic of Korea Department of Chemical and Biomolecular Engineering (BK 21+ program) KAIST Daehak-ro 291 Yuseong-gu Daejeon 34141 Republic of Korea Department of Chemical and Biomolecular Engineering (BK 21+ program) KAIST Daehak-ro 291 Yuseong-gu Daejeon 34141 Republic of Korea Department of Chemical and Biomolecular Engineering (BK 21+ program) KAIST Daehak-ro 291 Yuseong-gu Daejeon 34141 Republic of Korea

We presented a novel method, referred to as self-priming hairpin-utilized isothermal amplification (SPHIA), to enable nucleic acid detection. The hairpin probe (HP1) employed in this strategy was designed to be opened through binding to the target nucleic acid. Upon opening of HP1, the self-priming domain within the HP1 stem region was exposed and rearranged to serve as a primer. The following extension displaced the bound target nucleic acid, which was then recycled to open another HP1. The extended HP1 was subjected to continuously repeated extension and nicking reaction, and abundant triggers were produced as a result. The triggers entered and initiated phase 2 reaction through binding to HP2, and this produced numerous target mimic strands (Target′). The target′ entered and activated the phase 1 reaction, mimicking the target nucleic acid. As a consequence of these interconnected two amplification reactions initiated by a positive feedback mechanism, a considerable number of final double-stranded DNA products (FPs) were ultimately produced, which could be monitored in real-time through duplex-specific fluorescent signaling. Exploiting this novel design principle, we detected target DNA down to 28.9 aM with outstanding discrimination capability. The practical diagnostic ability of this strategy was also successfully demonstrated for target RNA detection by rationally redesigning the hairpin probes.

关键词： Nucleic acid

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Corrigendum to "Effect of cell imprinting on viability and drug susceptibility of breast cancer cells to doxorubicin" [Acta Biomaterialia, 2020, 113, 119-129] (Acta Biomaterialia (2020) 113 (119–129), (S1742706120303287), (10.1016/***.2020.06.007))

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Acta Biomaterialia 2025年 198卷 571-572页

作者： Shahriyari, Fatemeh Janmaleki, Mohsen Sharifi, Shahriar Hesar, Milad Eyvazi Hoshian, Sasha Taghiabadi, Reza Razaghian, Ahmad Ghadiri, Majid Peirovi, Afshin Mahmoudi, Morteza Nezhad, Amir Sanati Khademhosseini, Ali Division of Engineering in Medicine Department of Medicine Brigham and Women's Hospital Harvard Medical School CambridgeMA United States Division of Health Sciences & Technology Harvard-Massachusetts Institute of Technology Massachusetts Institute of Technology CambridgeMA United States Department of Materials Engineering Faculty of Engineering Imam Khomeini International University Qazvin Iran Biomedical Engineering Graduate Program University of Calgary Canada Precision Health Program and Department of Radiology Michigan State University East LansingMI48824 United States RWTH Aachen University Templergraben 55 Aachen52062 Germany Department of Chemistry and Materials Science Aalto University School of Chemical Engineering Espoo Finland Department of Mechanical Engineering Faculty of Engineering Imam Khomeini International University Qazvin Iran Nano-Biotechnology Department Pasteur Institute of Iran Tehran Iran Departments of Bioengineering Chemical and Biomolecular Engineering and Radiological Sciences Center for Minimally Invasive Therapeutics California NanoSystems Institute University of California – Los Angeles Los AngelesCA United States Terasaki Institute for Biomedical Innovation Los AngelesCA United States

The authors regret to report that the images for panels h (Plain PDMS) and I (MCF7-imprinted PDMS) in Fig. 3 were mistakenly taken from the same dataset, resulting in the omission of the correct image in panel h for the Plain PDMS day 7 image. We sincerely apologize for this error. For an accurate representation, please see the corrected Fig. 3 provided here along with its original figure caption. This does not affect the validity of the statistical analyses or the overall conclusions drawn from the study. © 2025

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Graphene-functionalized textile composites for wearable Joule heating applications

Advanced Nanocomposites

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Advanced Nanocomposites 2025年 2卷 108-123页

作者： Omar Faruk Abbas Ahmed Ashfaqul Hoque Khadem Lu Jia Luyi Sun Department of Materials Science and Engineering Binghamton University State University of New York at Binghamton NY 13902 USA Polymer Program Institute of Materials Science and Department of Chemical & Biomolecular Engineering University of Connecticut Storrs CT 06269 USA Department Mechanical Engineering College of Engineering Computing and Applied Science Clemson University Clemson SC 29634 USA College of Textile Engineering Taiyuan University of Technology Jinzhong Shanxi 030600 China

Thermal comfort is essential for maintaining physiological well-being, with textile materials traditionally serving as the primary medium for regulating heat exchange between the body and its environment. However, conventional textiles often fall short of maintaining optimal thermal balance. So, there is an increasing demand for advanced thermoregulation systems that can effectively reduce heat loss and enhance warmth, ensuring consistent comfort. Recent research has highlighted the promise of advanced functional materials, especially graphene and its composites, for modifying textiles to improve thermal properties. This article comprehensively reviews recent advancements in graphene-functionalized textile composites, focusing on their applications in wearable Joule heaters designed for personalized thermal comfort or thermal therapy. Various graphene-functionalized textile composites are reviewed from the perspectives of material properties, processing strategies and device fabrication methods. Key challenges and future opportunities are summarized for graphene-functionalized textile-based Joule heaters as innovative solutions in wearable thermal regulation.

关键词： Graphene Textile Composite Wearable electronics Joule heater

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Computational Reverse engineering Analysis of Scattering Experiments Method for Interpretation of 2D Small-Angle Scattering Profiles (CREASE-2D)

arXiv

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arXiv 2024年

作者： Akepati, Sri Vishnuvardhan Reddy Gupta, Nitant Jayaraman, Arthi Data Science Program University of Delaware NewarkDE19716 United States Department of Chemical and Biomolecular Engineering University of Delaware NewarkDE19716 United States Department of Materials Science and Engineering University of Delaware NewarkDE19716 United States

Characterization of structural diversity within soft materials is key for engineering new materials for various applications. Small-angle scattering (SAS) is a widely used characterization technique that provides structural information in soft materials at varying length scales (nm to microns). The typical output of a SAS measurement is the scattered intensity I(q) as a function of q, the scattered wavevector with respect to the incident wave. The scattered wavevector q is represented by its magnitude |q| ≡ q (in inverse distance units) and azimuthal angle θ. While structures with isotropic spatial arrangement can be interpreted by analysis of azimuthally averaged one-dimensional (1D) scattering profile, to understand anisotropic spatial arrangements, one has to interpret the two-dimensional (2D) scattering profile, I(q, θ). Manual interpretation of such 2D profiles is complicated, and usually involves fitting of approximate analytical models to azimuthally averaged sections of the 2D profile. In this paper, we present a new method called CREASE-2D that interprets, without any azimuthal averaging, the entire 2D scattering profile, I(q, θ), and outputs the relevant structural features. CREASE-2D is an extension of the ‘computational reverse engineering analysis for scatting experiments’ (CREASE) method that has been used successfully to analyze 1D SAS profiles for a variety of soft materials. CREASE uses a genetic algorithm for optimization and an artificial neural network (ANN) as the surrogate machine learning (ML) model for fast calculation of 1D ‘computed’ scattering profiles that are then compared to the experimental 1D scattering profiles in the optimization. CREASE-2D goes beyond CREASE by enabling analysis of 2D scattering profiles, which is far more challenging to interpret than the azimuthally averaged 1D profiles. Further, we use XGBoost as the surrogate ML model in CREASE-2D, in place of ANNs, to relate structural features to the I(q, θ) profile. The CREA

关键词： Inverse problems

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