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Next Nanotechnology 2024年 5卷

作者： Ho, Pin-Wei Cheng, Chih-Hsien Liao, Yu-Sheng Chi, Yu-Chieh Sadhu, Annada Sankar Matsumoto, Atsushi Akahane, Kouichi Chen, Li-Yin Kuo, Hao-Chung Lin, Gong-Ru Graduate Institute of Photonics and Optoelectronics and Department of Electrical Engineering National Taiwan University Taipei 106319 Taiwan National Institute of Information and Communications Technology Koganei Tokyo 184-8795 Japan SANWAY OPTOELECTRONICS TECH. CORP New Taipei City 235601 Taiwan Department of Photonics Institute of Electro-Optical Engineering College of Electrical and Computer Engineering National Yang Ming Chiao Tung University Hsinchu 30010 Taiwan International Ph.D. Program in Photonics (UST) College of Electrical and Computer Engineering National Yang Ming Chiao Tung University Hsinchu 30010 Taiwan Semiconductor Research Center Hon Hai Research Institute Taipei 11492 Taiwan NTU-Tektronix Joint Research Center Tektronix Inc. and National Taiwan University Taipei 106319 Taiwan

By the semipolar blue single GaN μ-LEd and blended Ir(piq)2(acac) + CC-MP5 polymer thin film color converter, a high-speed white-light μ-LEd-based system is built up for the applications of short-distance VLC. The characteristics and properties of both devices are analyzed to understand the requirements for transmission and illumination. By selecting the growing orient, the influence of QCSE is reduced in this GaN μ-LEd. Meanwhile, possessing the low reflection characteristic, it is beneficial for signal modulation. For the polymer thin film color converter with a lifetime of 7.8 ns, low surface reflection and high conversion efficiency are thought of good properties. Color-converted cool white light has a CCT of around 7000 K and high color accuracy with a CRI of about 90. The APd-combined frequency responses of the GaN μ-LEd and GaN μ-LEd + polymer are measured as 750 MHz and 600 MHz, respectively. After the optimization by utilizing the adaptive SNR-flattening pre-emphasis algorithm, the transmission performance of the white-light μ-LEd is significantly promoted. For NRZ-OOK encoding, a 1.4 Gbps 0.15-m free-space transmission is achieved with a rising time of 656.33 ps, a falling time of 493.32 ps, and a Q-factor of 4.75. Besides, in more advanced data formats, the performance of this white-light μ-LEd can be better highlighted. For the same 0.15-m free-space VLC, a high-speed 3 Gbps broadband 8-QAM-OFdM transmission is fulfilled with an EVM of 23.9%, an average SNR of 12.5, and a BER below 3.8 × 10^-3;while to the best of our knowledge, a record 3.5 Gbps BL-dMT transmission is implemented as well. This white-light μ-LEd can also be integrated into large-scale arrays for multi-functional VLC applications. © 2024 The Authors

关键词： Adaptive SNR-Flattening algorithm Blue micro-LEd Red/Green blended polymer Visible light communication

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Applications of engineered biochar in remediation of heavy metal(loid)s pollution from wastewater: Current perspectives toward sustainable development goals

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science of the Total Environment 2024年 926卷 171859页

作者： Tran, Thien-Khanh Huynh, Loan Nguyen, Hoang-Lam Nguyen, Minh-Ky Lin, Chitsan Hoang, Tuan-dung Hung, Nguyen Tri Q. Nguyen, X. Hoan Chang, S. Woong Nguyen, d. duc Advanced Applied Sciences Research Group Dong Nai Technology University Bien Hoa City76100 Viet Nam Faculty of Technology Dong Nai Technology University Bien Hoa City76100 Viet Nam Department of Civil Engineering McGill University Montreal Canada Faculty of Environment and Natural Resources Nong Lam University Hamlet 6 Linh Trung Ward Thu Duc City Ho Chi Minh City700000 Viet Nam Ph.D. Program in Maritime Science and Technology National Kaohsiung University of Science and Technology Kaohsiung81157 Taiwan Department of Marine Environmental Engineering National Kaohsiung University of Science and Technology Kaohsiung81157 Taiwan School of Chemistry and Life Science Hanoi University of Science and Technology No. 1 Dai Co Viet Hai Ba Trung Hanoi100000 Viet Nam Vietnam National University Hanoi - School of Interdisciplinary Sciences and Arts 144 Xuan Thuy Street Cau Giay District Hanoi100000 Viet Nam Ho Chi Minh City University of Industry and Trade Ho Chi Minh City Viet Nam Department of Civil & Energy System Engineering Kyonggi University Suwon16227 Korea Republic of Institute of Applied Technology and Sustainable Development Nguyen Tat Thanh University Ho Chi Minh City700000 Viet Nam

Environmental pollution of heavy metal(loid)s (HMs) caused adverse impacts, has become one of the emerging concerns and challenges worldwide. Metal(loid)s can pose significant threats to living organisms even when present in trace levels within environmental matrices. Extended exposure to these substances can lead to adverse health consequences in humans. Removing HM-contaminated water and moving toward sustainable development goals (SdGs) is critical. In this mission, biochar has recently gained attention in the environmental sector as a green and alternative material for wastewater removal. This work provides a comprehensive analysis of the remediation of typical HMs by biochars, associated with an understanding of remediation mechanisms, and gives practical solutions for ecologically sustainable. Applying engineered biochar in various fields, especially with nanoscale biochar-aided wastewater treatment approaches, can eliminate hazardous metal(loid) contaminants, highlighting an environmentally friendly and low-cost method. Surface modification of engineered biochar with nanomaterials is a potential strategy that positively influences its sorption capacity to remove contaminants. The research findings highlighted the biochars' ability to adsorb HM ions based on increased specific surface area (SSA), heightened porosity, and forming inner-sphere complexes with oxygen-rich groups. Utilizing biochar modification emerged as a viable approach for addressing lead (Pb), cadmium (Cd), arsenic (As), mercury (Hg), and chromium (Cr) pollution in aqueous environments. Most biochars investigated demonstrated a removal efficiency >90 % (Cd, As, Hg) and can reach an impressive 99 % (Pb and Cr). Furthermore, biochar and advanced engineered applications are also considered alternative solutions based on the circular economy. © 2024 Elsevier B.V.

关键词： Nanostructured materials

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Research on Flexible Charging Strategy of Mobile Energy Storage Charging Vehicle 5

Research on Flexible Charging Strategy of Mobile Energy Stor...

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5th International Conference on Automation, Control and Robotics engineering, CACRE 2020

作者： Mao, Cheng Zhang, Yufeng Institute of Mining Motor Drive Technology Xi'an University of Science and Technology College of Electrical and Control Engineering Xi'an China College of Electrical and Control Engineering Xi'an University of Science and Technology Pashton Joint R and D Center Natural Science Basic Research Program of ShaanxiShanmei Joint Fund Xi'an China

ISBN: (纸本)9781728198880

According to the complex and changeable charging environment of mobile energy storage charging vehicles, this paper proposes an intelligent flexible charging strategy based on queuing theory for the single control strategy of traditional mobile energy storage charging vehicles. This strategy takes the optimal charging time as the optimization goal and dynamically adjusts the output power of the charger. At the same time, flexible charging also involves dC / dC module parallel current sharing and other issues. In this paper, a dCdC converter is used to control the charge and discharge of the battery pack. A charge and discharge controller for the energy storage battery pack based on PI control is designed. The energy storage battery pack during the charging process, the current closed-loop control realizes constant current charging, and the voltage outer loop current inner loop double closed loop control realizes constant voltage charging;during the discharge of the energy storage battery pack, the double closed loop is used to stabilize the battery pack discharge voltage, which is established in the Matlab environment The simulation model of charge and discharge of energy storage battery pack was obtained, and the simulation results verified the correctness and feasibility of the battery pack structure and control strategy. © 2020 IEEE.

关键词： Battery Pack

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Friction stir welding of AZ31 magnesium alloy: A review

Friction stir welding of AZ31 magnesium alloy: A review

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2020 International Conference on Advances in design, Materials and Manufacturing

作者： desai, Ashish M. Khatri, Bharat C. Patel, Vivek Rana, Harikrishna Mechanical Engineering Department Government Polytechnic Himatnagar383001 India Mechanical Engineering Department Government Engineering College Modasa383315 India Department of Engineering Science University West Trollhättan46186 Sweden Mechanical Engineering Department School of Technology Pandit Deendayal Petroleum University Gandhinagar382007 India Mechanical Engineering Department LDRP Institute of Technology and Research Gandhinagar382015 India Ph.D. Research Scholar Gujarat Technological University Gujarat Ahmedabad382424 India

Friction Stir Welding (FSW) has been proven to be a unique and substantial development in welding technology for the last two decades. In recent times, the research and advancement in FSW and related knowledge have been emerging quickly worldwide. FSW has several benefits when welding lightweight alloys like magnesium alloys. AZ series of magnesium alloy is widely used in structural applications and have a great scope to cater to customized solutions for several industries like automotive, aerospace, railway, etc. In this review article, the basic principles of FSW along with recent developments in the field of FSW for AZ 31 magnesium alloys have been described in detail. Outlooks to foster the research are recognised. © 2020 Elsevier Ltd. All rights reserved.

关键词： Friction stir welding

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Targeting formyl peptide receptor 1 with anteiso-C13-surfactin for neutrophil-dominant acute respiratory distress syndrome

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British journal of pharmacology 2023年第16期180卷 2120-2139页

作者： Shun-Chin Yang Yi-Hsuan Wang Chiu-Ming Ho Yung-Fong Tsai Ping-Jyun Sung Tony Eight Lin Tsong-Long Hwang Department of Anesthesiology Taipei Veterans General Hospital and National Yang Ming Chiao Tung University Taipei 112 Taiwan. Graduate Institute of Natural Products and Graduate Institute of Biomedical Sciences College of Medicine Chang Gung University Taoyuan 333 Taiwan. Department of Anesthesiology Chang Gung Memorial Hospital Linkou Medical Center Taoyuan Taiwan. Graduate Institute of Clinical Medical Sciences College of Medicine Chang Gung University Taoyuan 333 Taiwan. National Museum of Marine Biology and Aquarium Pingtung 944 Taiwan. Graduate Institute of Cancer Biology and Drug Discovery College of Medical Science and Technology Taipei Medical University Taipei 110 Taiwan. Ph.D. Program for Cancer Molecular Biology and Drug Discovery College of Medical Science and Technology Taipei Medical University Taipei 110 Taiwan. Research Center for Chinese Herbal Medicine and Graduate Institute of Health Industry Technology College of Human Ecology Chang Gung University of Science and Technology 333 Taoyuan Taiwan. Healthy Aging Research Center Chang Gung University 333 Taoyuan Taiwan. Department of Chemical Engineering Ming Chi University of Technology New Taipei City 243 Taiwan.

BACKGROUNd ANd PURPOSE:Acute respiratory distress syndrome (ARdS) is a catastrophic pulmonary inflammatory dysfunction with a high mortality rate. An overwhelming immune response by neutrophils is a key feature in infective or sterile ARdS. The formyl peptide receptor 1 (FPR1) is a crucial damage-sensing receptor for inflammatory reactions in the initiation and progression of neutrophil-mediated ARdS. However, effective targets for controlling dysregulated neutrophilic inflammatory injuries in ARdS are limited. EXPERIMENTAL APPROACH:Human neutrophils were used to explore the anti-inflammatory effects of cyclic lipopeptide anteiso-C13-surfactin (IA-1) from marine Bacillus amyloliquefaciens. The lipopolysaccharide-induced model of ARdS in mice was used to determine the therapeutic potential of IA-1 in ARdS. Lung tissues were harvested for histology analyses. KEY RESULTS:The lipopeptide IA-1 inhibited immune responses of neutrophils, including respiratory burst, degranulation, and expression of adhesion molecules. IA-1 inhibited the binding of N-formyl peptides to FPR1 in human neutrophils and in hFPR1-transfected HEK293 cells. We identified IA-1 as a competitive FPR1 antagonist, thus diminishing the downstream signalling pathways involving calcium, mitogen-activated protein kinases and Akt. Furthermore, IA-1 ameliorated the inflammatory damage to lung tissue, by decreasing neutrophil infiltration, reducing elastase release and oxidative stress in endotoxemic mice. CONCLUSION ANd IMPLICATIONS:The lipopeptide IA-1 could serve as a therapeutic option for ARdS by inhibiting FPR1-mediated neutrophilic injury.

关键词： ARdS FPR1 N-formyl peptides lipopeptide marine Bacillus neutrophils

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defect engineering Centrosymmetric 2d Material Flexocatalysts

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Small 2024年第31期20卷 e2401116页

作者： Chen, Yu-Ching Chen, Po-Han Liao, Yin-Song Chou, Jyh-Pin Wu, Jyh Ming Department of Materials Science and Engineering National Tsing Hua University 101 Section 2 Kuang Fu Road Hsinchu300 Taiwan Ph.D. Program in Prospective Functional Materials Industry National Tsing Hua University 101 Section 2 Kuang Fu Road Hsinchu300 Taiwan Tsing Hua Interdisciplinary Program National Tsing Hua University 101 Section 2 Kuang Fu Road Hsinchu300 Taiwan Department of Physics National Changhua University of Education No. 1 Jin-De Road Changhua500 Taiwan High Entropy Materials Center National Tsing Hua University 101 Section 2 Kuang Fu Road Hsinchu300 Taiwan

In this study, the flexoelectric characteristics of 2d TiO2 nanosheets are examined. The theoretical calculations and experimental results reveal an excellent strain-induced flexoelectric potential (flexopotential) by an effective defect engineering strategy, which suppresses the recombination of electron–hole pairs, thus substantially improving the catalytic activity of the TiO2 nanosheets in the degradation of Rhodamine B dye and the hydrogen evolution reaction in a dark environment. The results indicate that strain-induced bandgap reduction enhances the catalytic activity of the TiO2 nanosheets. In addition, the TiO2 nanosheets degraded Rhodamine B, with kobs being ≈1.5 × 10−2 min−1 in dark, while TiO2 nanoparticles show only an adsorption effect. 2d TiO2 nanosheets achieve a hydrogen production rate of 137.9 µmol g−1 h−1 under a dark environment, 197% higher than those of TiO2 nanoparticles (70.1 µmol g−1 h−1). The flexopotential of the TiO2 nanosheets is enhanced by increasing the bending moment, with excellent flexopotential along the y-axis. density functional theory is used to identify the stress-induced bandgap reduction and oxygen vacancy formation, which results in the self-dissociation of H2O on the surface of the TiO in the dark. The present findings provide novel insights into the role of TiO2 flexocatalysis in electrochemical reactions. © 2024 Wiley-VCH GmbH.

关键词： Titanium dioxide

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Corrigendum to "development and functional evaluation of a hyaluronic acid coated nano-formulation with kaempferol as a novel intra-articular agent for knee osteoarthritis treatment"[ Biomed. pharmacother. 175(2024) 116717]

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Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie 2024年 177卷 116944页

作者： Ching-Yu Lee Yu-Chu Chang Kai-Chiang Yang Yung-Fang Lin Alexander T H Wu Ching-Li Tseng International Ph.D. Program in Cell Therapy and Regenerative Medicine College of Medicine Taipei Medical University Taipei 110301 Taiwan Department of Orthopedics Taipei Medical University Hospital Taipei 110301 Taiwan Department of Orthopaedics School of Medicine College of Medicine Taipei Medical University Taipei 110301 Taiwan Orthopedic Research Center Taipei Medical University Hospital Taipei 110301 Taiwan. Department of Biochemistry and Molecular Cell Biology School of Medicine College of Medicine Taipei Medical University Taipei 110301 Taiwan. School of Dental Technology College of Oral Medicine Taipei Medical University Taipei 110301 Taiwan. Graduate Institute of Biomedical Materials and Tissue Engineering College of Biomedical Engineering Taipei Medical University Taipei 110301 Taiwan International Ph.D. Program in Biomedical Engineering College of Biomedical Engineering Taipei Medical University Taipei 110301 Taiwan. The Ph.D. Program for Translational Medicine College of Medical Science and Technology Taipei Medical University Taipei 110301 Taiwan Clinical Research Center Taipei Medical University Hospital Taipei Medical University Taipei 110301 Taiwan. Electronic address: chaw1211@tmu.edu.tw. International Ph.D. Program in Biomedical Engineering College of Biomedical Engineering Taipei Medical University Taipei 110301 Taiwan. Electronic address: chingli@tmu.edu.tw.

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Clinical implications of hepatitis B virus core antigen-mediated immunopathologic T cell responses in chronic hepatitis B

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Journal of Medical Virology 2024年第3期96卷 e29515页

作者： Wang, Li-Tzu Chen, Yu-Hong Cheng, Yang Fan, Hsiu-Lung Chen, Teng-Wei Shih, Yu-Lueng Hsieh, Tsai-Yuan Huang, Wen-Yen Huang, Wei-Chen School of Medical Laboratory Science and Biotechnology College of Medical Science and Technology Taipei Medical University Taipei Taiwan Ph.D. Program in Medical Biotechnology College of Medical Science and Technology Taipei Medical University Taipei Taiwan Department of Internal Medicine Division of Gastroenterology Tri-Service General Hospital National Defense Medical Center Taipei Taiwan Division of Infectious Disease & Immunology Institute of Biomedical Science Academia Sinica Taipei Taiwan Department of Surgery Division of Organ Transplantation Surgery Tri-Service General Hospital National Defense Medical Center Taipei Taiwan Department of Radiation Oncology Tri-Service General Hospital National Defense Medical Center Taipei Taiwan

Hepatitis B virus (HBV) infection significantly impacts Asian populations. The influences of continuous HBV antigen and inflammatory stimulation to T cells in chronic hepatitis B (CHB) remain unclear. In this study, we first conducted bioinformatics analysis to assess T-cell signaling pathways in CHB patients. In a Taiwanese cohort, we examined the phenotypic features of HBV_core-specific T cells and their correlation with clinical parameters. We used core protein overlapping peptides from the Taiwan prevalent genotype B HBV to investigate the antiviral response and the functional implication of HBV-specific T cells. In line with Taiwanese dominant HLA-alleles, we also evaluated ex vivo HBV_core-specific T cells by pMHC-tetramers targeting epitopes within HBV core protein. Compared to healthy subjects, we disclosed Cd8 T cells from CHB patients had higher activation marker Cd38 levels but showed an upregulation in the inhibitory receptor Pd-1. Our parallel study showed HBV-specific Cd8 T cells were more activated with greater Pd-1 expression than CMV-specific subset and bulk Cd8 T cells. Moreover, our longitudinal study demonstrated a correlation between the Pd-1 fluctuation pattern of HBV_core-specific Cd8 T cells and liver inflammation in CHB patients. Our research reveals the HBV core antigen-mediated immunopathologic profile of Cd8 T cells in chronic HBV infection. Our findings suggest the Pd-1 levels of HBV_core-specific Cd8 T cells can be used as a valuable indicator of personal immune response for clinical application in hepatitis management. © 2024 The Authors. Journal of Medical Virology published by Wiley Periodicals LLC.

关键词： HBcAg HBV hepatitis Pd-1 T cells

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Challenges for and Pathways toward Li-MetalBased All-Solid-State Batteries

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ACS ENERGY LETTERS 2021年第4期6卷 1399-1404页

作者： Albertus, Paul Anandan, Venkataramani Ban, Chunmei Balsara, Nitash Belharouak, Ilias Buettner-Garrett, Josh Chen, Zonghai daniel, Claus doeff, Marca dudney, Nancy J. dunn, Bruce Harris, Stephen J. Herle, Subramanya Herbert, Eric Kalnaus, Sergiy Libera, Joesph A. Lu, dongping Martin, Steve McCloskey, Bryan d. Mcdowell, Matthew T. Meng, Y. Shirley Nanda, Jagjit Sakamoto, Jeff Self, Ethan C. Tepavcevic, Sanja Wachsman, Eric Wang, Chunsheng Westover, Andrew S. Xiao, Jie Yersak, Thomas Department of Chemical and Biomolecular Engineering University of Maryland College Park Maryland 20742 United States Ford Motor Company Dearborn Michigan 48121 United States Mechanical Engineering Department University of Colorado Boulder Colorado 80309 United States Department of Chemical and Biomolecular Engineering and Lawrence Berkeley National Laboratory Materials Sciences Division University of California Berkeley California 94720 United States Energy and Transportation Science Division Oak Ridge National Laboratory Oak Ridge Tennessee 37831 United States Solid Power Inc. Louisville Colorado 80027 United States Chemical Sciences and Engineering Division Argonne National Laboratory 9700 South Cass Avenue Argonne Illinois 60439 United States Lawrence Berkeley National Laboratory Energy Storage and Distributed Resources Division University of California Berkeley California 94720 United States Department of Materials Science and Engineering University of California Los Angeles California 90095 United States Applied Materials Inc. 3225 Oakmead Village Drive B12_2F6 Santa Clara California 95054 United States Department of Materials Science and Engineering Michigan Technological University Houghton Michigan 49931 United States Energy and Environmental Directorate Pacific Northwest National Laboratory Richland Washington 99352 United States Department of Materials Science & Engineering Iowa State University of Science & Technology Ames Iowa 50011 United States Woodruff School of Mechanical Engineering and School of Materials Science and Engineering Georgia Institute of Technology Atlanta Georgia 30332 United States Department of NanoEngineering and Materials Science and Engineering Program University of California San Diego La Jolla California 92093 United States Department of Materials Science and Engineering and Department of Mechanical Engineering University of Michigan Ann Arbor Michigan 48109 United States Chemical and Materials Systems Laborat

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Frequency-responsive sorption of metal ions onto magnetic polyvinyltetrazole microspheres through a solenoid-wrapped glass tube with magnetophoresis force

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Journal of Water Process engineering 2024年 63卷

作者： Chen, Chih-Wei Wang, Chih-Feng Lu, Chien-Hsing Chen, Jem-Kun Department of Materials Science and Engineering National Taiwan University of Science and Technology 43 Sec. 4 Keelung Road Taipei 106 Taiwan Division of Neurosurgery Department of Surgery Chi Mei Medical Center Tainan 710 Taiwan Institute of Advanced Semiconductor Packaging and Testing National Sun Yat-sen University Kaohsiung 804 Taiwan Department of Obstetrics and Gynecology Taichung Veterans General Hospital Taichung 40705 Taiwan Institute of Biomedical Sciences Ph.D. Program in Translational Medicine Rong-Hsing Research Center for Translational Medicine National Chung-Hsing University Taichung 940227 Taiwan

Concentration gradient predominantly determining both the diffusion rate and the removal rate of pollutants by adsorbents. An external magnetophoresis force (FMEP) is introduced to accelerate the adsorption of metal i... 详细信息

Concentration gradient predominantly determining both the diffusion rate and the removal rate of pollutants by adsorbents. An external magnetophoresis force (F_MEP) is introduced to accelerate the adsorption of metal ions on adsorbents under an alternating magnetic field (AMF). A solenoid-wrapped glass tube (SWGT) containing adsorbents is designed to generate F_MEP in a flowing system. Magnetic Fe₃O₄ nanoparticles (MFs) are coated on polyacrylonitrile microspheres (PANs) as precursors (PAN@MFs) by Pickering emulsion polymerization. The core@shell polyvinyltetrazole@MFs (PVT@MFs) are obtained as the adsorbents after subsequent cyano-tetrazole conversion of PAN@MFs for the adsorption of Pb(II), Cu(II), and Cr(III) ions. The theoretical adsorption rate constants of these metal ions onto the PVT@MFs in the presence of F_MEP are enhanced by approximately three times under an AMF at 1 kHz and 87.6 G. At a high frequency of 10 kHz, hyperthermia occurs on the PVT@MFs, facilitating the desorption of metal ions from the adsorbents. Compared with reuse using an acidic solution, the magnetic PVT@MFs can be reused up to 10 times by switching the frequency of the AMF between 1 and 10 kHz. Our proposed platform provides a novel methodology with a magnetic adsorbent for metal ions to rapidly improve either the adsorption or desorption processes. © 2024

关键词： Adsorption rate Hyperthermia Magnetic susceptibility Polyvinyltetrazole

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