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arXiv 2023年

作者： Masahiro, Sugimoto Doctoral Program in Mathematics Degree Programs in Pure and Applied Sciences Graduate School of Science and Technology University of Tsukuba Japan

K. Harada conjectured for any finite group G, the product of sizes of all conjugacy classes is divisible by the product of degrees of all irreducible characters. We study this conjecture when G is the general linear group over a finite field. We show the conjecture holds if the order of the field is sufficiently *** Codes 20C15 Copyright © 2023, The Authors. All rights reserved.

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A Platform for Monitoring Student Commuting in the Use of School Transport in Smart Cities - A Facial Recognition Based Approach

A Platform for Monitoring Student Commuting in the Use of Sc...

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2023 International Conference on Smart Applications, Communications and Networking, SmartNets 2023

作者： Da Costa Rocha, Jesse De Souza, Marcela Alves Cardoso, Evelin Helena Silva Vijaykumar, Nandamudi De Araujo, Jasmine Priscyla Leite Frances, Renato Lisboa Graduate Program in Electrical Engineering Belém Para Brazil Information and Communication Technology Center Marabá Para Brazil Department of Computer Science Capitão Poço Para Brazil Coordination of Applied Research and Technological Development São Paulo Brazil

ISBN: (纸本)9798350302523

This article proposes an intelligent platform for monitoring students' steps on their way to school until they leave the school to their homes. This platform can identify students and notify those responsible and competent authorities in various situations of school life, such as: entering and leaving the school bus, entering and leaving school, entering the school cafeteria, etc. The first application aims to control access to the school bus through facial recognition. In the tests carried out, the recognition system achieved excellent results in all metrics. © 2023 IEEE.

关键词： Students

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Advances in data-independent acquisition mass spectrometry towards comprehensive digital proteome landscape

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Mass Spectrometry Reviews 2023年第6期42卷 2324-2348页

作者： Kitata, Reta Birhanu Yang, Jhih-Ci Chen, Yu-Ju Institute of Chemistry Academia Sinica Taipei Taiwan Sustainable Chemical Science and Technology Taiwan International Graduate Program Academia Sinica and National Yang Ming Chiao Tung University Taipei Taiwan Department of Applied Chemistry National Yang Ming Chiao Tung University Hsinchu Taiwan Department of Chemistry National Taiwan University Taipei Taiwan

The data-independent acquisition mass spectrometry (DIA-MS) has rapidly evolved as a powerful alternative for highly reproducible proteome profiling with a unique strength of generating permanent digital maps for retrospective analysis of biological systems. Recent advancements in data analysis software tools for the complex DIA-MS/MS spectra coupled to fast MS scanning speed and high mass accuracy have greatly expanded the sensitivity and coverage of DIA-based proteomics profiling. Here, we review the evolution of the DIA-MS techniques, from earlier proof-of-principle of parallel fragmentation of all-ions or ions in selected m/z range, the sequential window acquisition of all theoretical mass spectra (SWATH-MS) to latest innovations, recent development in computation algorithms for data informatics, and auxiliary tools and advanced instrumentation to enhance the performance of DIA-MS. We further summarize recent applications of DIA-MS and experimentally-derived as well as in silico spectra library resources for large-scale profiling to facilitate biomarker discovery and drug development in human diseases with emphasis on the proteomic profiling coverage. Toward next-generation DIA-MS for clinical proteomics, we outline the challenges in processing multi-dimensional DIA data set and large-scale clinical proteomics, and continuing need in higher profiling coverage and sensitivity. © 2022 The Authors. Mass Spectrometry Reviews published by John Wiley & Sons Ltd.

关键词： Mass spectrometry

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Enhanced fast charging capabilities in natural graphite/iron cross-linked pectin electrodes for lithium-ion batteries

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Materials Advances 2024年第17期5卷 6820-6829页

作者： Chung, Chin-Yi Chen, Wei-Ming Chen, Yan-Ruei Chen, Liang-Yu Su, Yu-Hsuan Chi, Po-Wei Wu, Phillip M. Chang-Liao, Kuei-Shu Tang, Hong-Yi Wu, Maw-Kuen Institute of Physics Academia Sinica 128 Section 2 Academia Road Taipei11529 Taiwan Nano Science and Technology Program Taiwan International Graduate Program Academia Sinica and National Tsing Hua University 128 Section 2 Academia Road Taipei11529 Taiwan Department of Engineering and System Science National Tsing Hua University 101 Section 2 Kuang-Fu Road Hsinchu300044 Taiwan College of Science National Chung Hsing University 145 Xingda Road South District Taichung402 Taiwan Department of Applied Chemistry National Chi-Nan University 1 University Road Puli Nantou545301 Taiwan

Rapid charging capabilities are required for the broader adoption of lithium-ion batteries in emerging technologies such as electric vehicles. Although commercial graphite anodes provide a high energy density, their limitations in quick charging warrant the exploration of novel materials. This study extends prior research on the use of pectin, a natural polysaccharide, as an organic binder for graphite anodes. By introducing iron into pectin, we propose a unique ion-crosslinking mechanism that causes the graphite anode to exhibit pseudocapacitive Li storage. Our findings, corroborated by 3D Bode analysis and AC impedance spectra, revealed a positive correlation between the iron ion and the pseudocapacitive vertex in the graphite reaction. Compared with conventional binders, graphite electrodes utilizing iron-doped pectin demonstrated superior initial and stable capacities, reaching 450 mA h g−1 after 100 cycles at 1C. This study highlights the synergistic effect of pectin and iron ions, offering a new avenue for high-performance, rapid-charging, and environmentally sustainable lithium-ion batteries. © 2024 RSC.

关键词： Lithium-ion batteries

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UAV-Aided Data Acquisition Using Gaining-Sharing Knowledge Optimization Algorithm

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Computers, Materials & Continua 2022年第9期72卷 5999-6013页

作者： Rania M Tawfik Hazem A.A.Nomer M.Saeed Darweesh Ali Wagdy Mohamed Hassan Mostafa Wireless Intelligent Networks Center(WINC) School of Engineering and Applied SciencesNile UniversityGiza12677Egypt School of Information Technology and Computer Science(ITCS) Nile UniversityGiza12677Egypt Operations Research Department Faculty of Graduate Studies for Statistical ResearchCairo UniversityGiza12613Egypt Department of Mathematics and Actuarial Science School of Science and EngineeringThe American University in CairoEgypt Electronics and Communications Engineering Department Cairo UniversityEgypt University of Science and Technology Nanotechnology and Nanoelectronics ProgramZewal City of Science and TechnologyOctober Gardens6th of OctoberGiza12578Egypt

Unmanned Aerial Vehicles(UAVs)provide a reliable and energyefficient solution for data collection from the Narrowband Internet of Things(NB-IoT)***,the UAV’s deployment optimization,including locations of the UAV’s stop points,is a necessity to minimize the energy consumption of the UAV and the NB-IoT devices and also to conduct the data collection *** this regard,this paper proposes GainingSharing Knowledge(GSK)algorithm for optimizing the UAV’s *** GSK,the number of UAV’s stop points in the three-dimensional space is encapsulated into a single individual with a fixed length representing an entire *** superiority of using GSK in the tackled problem is verified by simulation in seven *** provides significant results in all seven scenarios compared with other four optimization algorithms used before with the same ***,the NB-IoT is proposed as the wireless communication technology between the UAV and IoT devices.

关键词： NB-IoT UAV GSK stop points optimization

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Developing poly(ethylene glycol)-b-poly(β-hydroxybutyrate)-based self-assembling prodrug for the management of cisplatin-induced acute kidney injury

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science and technology of Advanced Materials 2024年第1期25卷 2382084页

作者： Bui, Duc Tri Nagasaki, Yukio Degree Program of Pure and Applied Sciences Graduate School of Science and Technology University of Tsukuba Ibaraki Japan Department of Materials Science Faculty of Pure and Applied Sciences University of Tsukuba Ibaraki Japan Master’s School of Medical Sciences Graduate School of Comprehensive Human Sciences University of Tsukuba Ibaraki Japan University of Tsukuba Ibaraki Japan Department of Chemistry Graduate School of Science The University of Tokyo Tokyo Japan National Taipei University of Technology Taipei Taiwan

Although β-hydroxybutyrate (BHB), one of the endogenous body ketones, possesses high bioactivities, it is rapidly consumed, metabolized, and eliminated from the body. In this study, we designed new self-assembling nanoparticles that sustainably released BHB to improve bioavailability and evaluated their efficacy in in vivo experiments using rodent animal models. Since poly(β-hydroxybutyrate) [poly(BHB)] is regarded as a polymeric prodrug that is hydrolyzed by endogenous enzymes and releases BHB in a sustained manner, our idea was to engineer hydrophobic poly(BHB) in one of the segments in the amphiphilic block copolymer, of which self-assembles in water to form nanoparticles of tens of nanometers in size (abbreviated as NanoBHB). Here, methoxy-poly(ethylene glycol) was employed as the hydrophilic segment of the block copolymer to stabilize the nanoparticles in aqueous environments, thus enabling NanoBHBs to be administrable both orally and through injection. Experimental results showed that NanoBHB has low toxicity and releases free BHB for an extended period in vitro and in vivo. Moreover, NanoBHB exhibits superior nephroprotective effects in cisplatin-induced acute kidney injury mouse models compared to low-molecular-weight (LMW) sodium BHB, suggesting the potential of NanoBHB as a sustainable release formulation to supply BHB for medicinal applications. © 2024 The Author(s). Published by National Institute for Materials science in partnership with Taylor & Francis Group.

关键词： Nanoparticles

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Spray-pyrolysis synthesis of CuMnO₂ with the potential for photoelectrocatalysis

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Journal of the Chinese Chemical Society 2024年第10期71卷 1203-1210页

作者： Martinez, Benjamin Kuo, Chun-Hong Chiang, Ming-Hsi Institute of Chemistry Academia Sinica Taipei Taiwan Sustainable Chemical Science and Technology Taiwan International Graduate Program Academia Sinica and National Yang Ming Chiao Tung University Hsinchu Taiwan Department of Applied Chemistry National Yang Ming Chiao Tung University Hsinchu Taiwan Center for Emergent Functional Matter Science National Yang Ming Chiao Tung University Hsinchu Taiwan National Synchrotron Radiation Research Center Hsinchu Taiwan Department of Medicinal and Applied Chemistry Kaohsiung Medical University Kaohsiung Taiwan

Amidst the global endeavor toward sustainable energy sources, photocatalysis appears as a promising gateway toward the production of solar fuels, in particular hydrogen. Hydrogen is currently a crucial reagent for vital industries such as petrol desulfurization, iron reduction and ammonia production, so the decarbonization of its production is a major challenge. CuMnO₂ (CMO), a p-type semiconductor, has been shown to enhance the efficiency of catalysts such as TiO₂ for the photoelectrocatalytic water splitting reaction. However, since pure CMO thin films have never been reported, its potential and limitations remain elusive. We used spray pyrolysis as a low-cost synthesis technique to simplify and accelerate the synthesis of CMO thin films directly on FTO substrates. CMO prepared in this manner exhibits activity toward photoeletrocatalytic water splitting and O₂ reduction. The activity has been found to be highly dependent on synthesis conditions, especially on the ratio and volume of precursors. © 2024 The Chemical Society Located in Taipei & Wiley-VCH GmbH.

关键词： crednerite hydrogen oxygen reduction p-type semiconductor water splitting

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HOS15 represses flowering by promoting GIGANTEA degradation in response to low temperature in Arabidopsis

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Plant Communications 2023年第4期4卷 225-239页

作者： Gyeongik Ahn Hee Jin Park Song Yi Jeong Gyeong-Im Shin Myung Geun Ji Joon-Yung Cha Jeongsik Kim Min Gab Kim Dae-Jin Yun Woe-Yeon Kim Research Institute of Life Science Institute of Agricultural and Life ScienceGyeongsang National UniversityJinju 52828Republic of Korea Division of Applied Life Science(BK21 Four) Plant Biological Rhythm Research CenterPlant Molecular Biology and Biotechnology Research CenterGraduate School of Gyeongsang National UniversityJinju 52828Republic of Korea Department of Biological Sciences College of Natural SciencesChonnam National UniversityGwangju 61186Republic of Korea Faculty of Science Education and Interdisciplinary Graduate Program in Advanced Convergence Technology and Science Jeju National UniversityJeju 63243Republic of Korea College of Pharmacy and Research Institute of Pharmaceutical Science PMBBRCGyeongsang National UniversityJinju 52828Republic of Korea Institute of Glocal Disease Control Konkuk UniversitySeoul 05029Republic of Korea Key Laboratory of Molecular Epigenetics of the Ministry of Education(MOE) Northeast Normal UniversityChangchun 130024China

Flowering is the primary stage of the plant developmental transition and is tightly regulated by environmental factors such as light and ***,the mechanisms by which temperature signals are integrated into the photoperiodic flowering pathway are still poorly ***,we demonstrate that HOS15,which is known as a GI transcriptional repressor in the photoperiodic flowering pathway,controls flowering time in response to low ambient *** 16℃,the hos15 mutant exhibits an early flowering phenotype,and HOS15 acts upstream of photoperiodic flowering genes(GI,CO,and FT).GI protein abundance is increased in the hos15 mutant and is insensitive to the proteasome inhibitor ***,the hos15 mutant has a defect in low ambient temperature-mediated GI degradation,and HOS15 interacts with COP1,an E3 ubiquitin ligase for GI *** analyses of the hos15 cop1 double mutant revealed that repression of flowering by HOS15 is dependent on COP1 at 16℃.However,the HOS15-COP1 interaction was attenuated at 16℃,and GI protein abundance was additively increased in the hos15 cop1 double mutant,indicating that HOS15 acts independently of COP1 in GI turnover at low ambient *** study proposes that HOS15 controls GI abundance through multiple modes as an E3 ubiquitin ligase and transcriptional repressor to coordinate appropriate flowering time in response to ambient environmental conditions such as temperature and day length.

关键词： Arabidopsis flowering response low ambient temperature HOS15 GIGANTEA

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Binuclear Macrocyclic Silver(I) Complex of a Bis(carbone) Pincer Ligand: Synthesis and Application as a Carbone-Transfer Agent

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Inorganic Chemistry 2023年第32期62卷 12664-12673页

作者： Aweke, Bamlaku Semagne Yu, Cheng-Han Shen, Jiun-Shian Wang, Sheng Yap, Glenn P. A. Chen, Wen-Ching Ong, Tiow-Gan Institute of Chemistry Academia Sinica Taipei11529 Taiwan Department of Applied Chemistry National Yang Ming Chiao Tung University Hsinchu30010 Taiwan Department of Chemistry National Taiwan University Taipei106216 Taiwan Department of Medicinal and Applied Chemistry National Taiwan University 10617 Kaohsiung Medical University Kaohsiung80708 Taiwan Sustainable Chemical Science and Technology Taiwan International Graduate Program Academia Sinica Taipei11529 Taiwan Department of Chemistry and Biochemistry University of Delaware NewarkDE19716 United States

A facile synthesis of a binuclear AgI complex 2 of a bis(carbone) ligand L and its application as a carbone-transfer agent for the generation of other transition-metal complexes of AuI (3), NiII (4), and PdII (5) is presented. Complex 2 was synthesized through multiple synthetic routes under mild reaction conditions using the tetracationic [LH4][OTf·Cl]2 precursor salt, the dicationic [LH2][OTf]2 ylide salt, and the free ligand L. The first two synthesis routes require no prior isolation of the air-, moisture-, and temperature-sensitive free ligand L, thus affording complex 2 with high yield and purity. Multinuclear NMR techniques, high-resolution mass spectrometry, and single-crystal X-ray diffraction analysis confirmed the identity of complex 2 as a binuclear AgI complex of L with a molecular formula of [L2Ag2][OTf]2 and a 16-membered-ring metallomacrocyclic structure. During the transmetalation reaction with AuI, the binuclear nature of complex 2 remains intact to give analogous complex 3 ([L2Au2][OTf]2). However, the dimeric structure was disrupted upon the carbone-transfer reaction with NiII and PdII, yielding mononuclear C-N-C pincer-type complexes 4 ([LNiCl][OTf]) and 5 ([LPdCl][OTf]), respectively. These results demonstrated the versatile use of complex 2 as a carbone-transfer agent to other transition metals regardless of the type or size of the metals or the geometry they prefer. © 2023 American Chemical Society.

关键词： Transition metals

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Decision-guided chatbots and cognitive styles in interdisciplinary learning

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Computers and Education 2023年 201卷

作者： Iku-Silan, Aciang Hwang, Gwo-Jen Chen, Chih-Hung Graduate Institute of Applied Science and Technology National Taiwan University of Science and Technology Taiwan Graduate Institute of Digital Learning and Education National Taiwan University of Science and Technology Taiwan Yuan Ze University Taiwan Master Program of Professional Teacher National Taichung University of Education Taiwan

Research on chatbots has distinct interdisciplinary features and can be generalized to learning in various fields. However, related research is still fragmented across disciplines and applications. This study aimed to develop a decision-guided chatbot for interdisciplinary learning. To investigate the effects of this learning model on learning achievements, learning motivation, collective efficacy, classroom engagement, satisfaction with the learning approach, and cognitive load of learners with different cognitive styles, this study was conducted in an environment education course in a junior high school in northern Taiwan. A total of 71 learners from two classes were recruited in this study;the experimental group, a class of 35 learners, adopted a decision-guided chatbot for learning, while the control group, a class of 36 learners, adopted conventional technology-assisted learning. The results showed that the experimental group significantly outperformed the control group on learning achievements, extrinsic motivation, collective efficacy, cognitive engagement, emotional engagement, and satisfaction with the learning approach. Moreover, the experimental group perceived lower mental efforts. In terms of cognitive styles, analytical learners had significantly higher learning achievements than intuitive learners. In the control group, the analytical learners had higher cognitive engagement than intuitive learners. In the experimental group, analytical learners had significantly lower mental load than intuitive learners. In addition, the analytical learners and intuitive learners in the experimental group respectively perceived higher mental load than those in the control group. © 2023 Elsevier Ltd

关键词： Motivation

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