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| ○ | ○ | Article | The Silicon Vertex Detector of the Belle II experiment | The Belle II experiment located at KEK, Japan takes data from asymmetric - collision provided by the SuperKEKB accelerator. The Silicon Vertex Detector (SVD), which is part of the Belle II Vertex Detector (VXD), has been operating smoothly and reliably since the start of data taking in March 2019. In this article, we report on the performance of the SVD in terms of the large signal-to-noise ratio, the good hit position resolution as well as the good hit -time resolution. New algorithms based on hit -time information are under development to improve robustness of tracking performance within the anticipated high background environment. The Background situation of the SVD has been constantly monitored and no degradation in performance is observed so far. To investigate the SVD performance at high luminosity runs in the future, simulation as well as an irradiation campaign are launched and their results are summarized. During the first long shutdown of the Belle II experiment, which starts from June 2022, the VXD has been refurbished with a new two-layer DEPFET pixel detector located inside the SVD. All the delicate phases of the disassembly, re-assembly and installation of the new VXD have been successfully completed. The new VXD commissioning phase began in Sept 2023 to get ready for beam operation starting in early 2024. | Wang, Z.; Adamczyk, K.; Aggarwal, L.; Aihara, H.; Aziz, T.; Bacher, S.; Bahinipati, S.; Batignani, G.; Baudot, J.; Behera, P. K.; Bettarini, S.; Bilka, T.; Bozek, A.; Buchsteiner, F.; Casarosa, G.; Corona, L.; Dash, S. B.; Dujany, G.; Finck, C.; Forti, F.; Friedl, M.; Gabrielli, A.; Gobbo, B.; Halder, S.; Hara, K.; Hazra, S.; Higuchi, T.; Irmler, C.; Ishikawa, A.; Jin, Y.; Kaleta, M.; Kaliyar, A. B.; Kandra, J.; Kang, K. H.; Kodys, P.; Kohriki, T.; Kumar, R.; Lalwani, K.; Lautenbach, K.; Leboucher, R.; Lee, S. C.; Libby, J.; Martel, L.; Massaccesi, L.; Mohanty, G. B.; Mondal, S.; Nakamura, K. R.; Natkaniec, Z.; Onuki, Y.; Otani, F.; Paladino, A.; Paoloni, E.; Park, H.; Polat, L.; Rao, K. K.; Ripp-Baudot, I.; Rizzo, G.; Sato, Y.; Schwanda, C.; Serrano, J.; Shimasaki, T.; Suzuki, J.; Tanaka, S.; Tanigawa, H.; Tenchini, F.; Thalmeier, R.; Tiwary, R.; Tsuboyama, T.; Uematsu, Y.; Vitale, L.; Webb, J.; Werbycka, O.; Wiechczynski, J.; Yin, H.; Zani, L. | Univ Melbourne, Sch Phys, Melbourne, Vic 3010, Australia; Austrian Acad Sci, Inst High Energy Phys, A-1050 Vienna, Austria; Charles Univ Prague, Fac Math & Phys, Prague 12116, Czech Republic; Aix Marseille Univ, CPPM, IN2P3, CNRS, Marseille, France; Univ Strasbourg, CNRS, UMR 7178, IPHC, F-67037 Strasbourg, France; Indian Inst Technol Bhubaneswar, Bhubaneswar 752050, India; Indian Inst Technol Madras, Chennai 600036, India; Malaviya Natl Inst Technol Jaipur, Jaipur 302017, India; Punjab Agr Univ, Ludhiana 141004, India; Panjab Univ, Chandigarh 160014, India; Tata Inst Fundamental Res, Mumbai 400005, India; Univ Pisa, Dipartimento Fis, I-56127 Pisa, Italy; INFN Sez Pisa, I-56127 Pisa, Italy; Univ Trieste, Dipartimento Fis, I-34127 Trieste, Italy; INFN Sez Trieste, I-34127 Trieste, Italy; Grad Univ Adv Studies SOKENDAI, Hayama 2400193, Japan; Univ Tokyo, Kavli Inst Phys & Math Universe, Kashiwa 2778583, Japan; Univ Tokyo, Dept Phys, Tokyo 1130033, Japan; High Energy Accelerator Res Org KEK, Tsukuba, Ibaraki 3050801, Japan; Kyungpook Natl Univ, Dept Phys, Daegu 41566, South Korea; H Niewodniczanski Inst Nucl Phys, PL-31342 Krakow, Poland; INFN Sez Bologna, I-40127 Bologna, Italy | ; Bilka, Tadeáš/Q-3680-2017; Kodys, Peter/P-2636-2017; Aihara, Hiroaki/F-3854-2010; Tenchini, Francesco/JTT-8673-2023; bettarini, stefano/M-2502-2016; Mondal, Santu/GSE-1742-2022; Forti, Francesco/H-3035-2011; Gabrielli, Andrea/A-7175-2008; Behera, Prafulla/AAK-8686-2020; Finck, Carolyn/LZG-9518-2025; ISHIKAWA, Akimasa/AAG-9668-2020; Rizzo, Giuliana/A-8516-2015; KUMAR, RAJEEV/ADE-7638-2022 | 59649324200; 56448523500; 57232053300; 26431253400; 57198200847; 57014918700; 35226929900; 35226921900; 7003306478; 57943353600; 55116333600; 56624583600; 35226998700; 56446995000; 36169158700; 57209105515; 57202083225; 56200044200; 7004433994; 35227146800; 10044712100; 57943838100; 35227306900; 57209094410; 57205557485; 57222816542; 57224139534; 15069585600; 35227389900; 59299091500; 57203805096; 57193274163; 57015230400; 57224903543; 58172298700; 35227561100; 55553737220; 46661127500; 56613894500; 57355126800; 57257924100; 55820982400; 57362555900; 57355100000; 35227732200; 58829248500; 56394864900; 35227761700; 35227766800; 57438678100; 56572518100; 35227715200; 35086680500; 57355131700; 59633046200; 35227855600; 35227845800; 55728761800; 35228014600; 35230925400; 57438732600; 57222040123; 57232742000; 57203804357; 37103051300; 56447101400; 57231358000; 16020533400; 57216843679; 57198320699; 57014140800; 57224183690; 15835927600; 57013958200; 57195150092 | zihanwa@hep.phys.s.u-tokyo.ac.jp; | NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | NUCL INSTRUM METH A | 0168-9002 | 1872-9576 | 1061 | SCIE | INSTRUMENTS & INSTRUMENTATION;NUCLEAR SCIENCE & TECHNOLOGY;PHYSICS, NUCLEAR;PHYSICS, PARTICLES & FIELDS | 2024 | 1.4 | 57.3 | 0.45 | 2025-05-07 | 0 | 1 | Silicon strip detector; Vertex detector; Tracking detector; Belle II | Belle II; Silicon strip detector; Tracking detector; Vertex detector | Silicon; Silicon detectors; Belle II; Large-signals; Performance; Position resolution; Silicon Strip Detectors; Silicon Vertex Detectors; SuperKEKB; Time-resolution; Tracking detectors; Vertex detectors; Signal to noise ratio | English | 2024 | 2024-04 | 10.1016/j.nima.2024.169131 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |||
| ○ | ○ | Review | Advancing thermoset polymer composites with nanoclay reinforcement: a comprehensive investigation within composite interfaces | In the last several decades, there has been significant growth in research and development activities in nanomaterials. Nanotech has been used to improve the quality of several materials, including wood and polymer composites, for their application in various fields. Nanofillers, including metal particles, nano oxides, pyrogenic silica, and carbon black, have been employed as polymer additives. However, the value of natural, low-cost, and plentiful clay materials such as nanoclay becomes more apparent as environmental regulations and consumer awareness become more rigorous. This literature outlines the role of nanoclay on polymer composites, especially in the case of thermosetting resins, including epoxy, polyester, urea-formaldehyde, and phenol-formaldehyde resins. The current article is intended to provide a comprehensive source of recent studies and literature on nanoclay as filler, its classification, polymer modification processes using nanoclay, and comparing the performance of different thermosetting polymers based on their fabrication methods through physical and mechanical properties. {GRAPHICAL ABSTRACT} | Gillela, Swetha; Yadav, Sumit Manohar; Kelkar, Bhushan U.; Sihag, Kapil; Dangtungee, Rapeephun; Bhuyar, Prakash; Lee, Seng Hua; Fatriasari, Widya; Wibowo, Eko Setio; Sinha, Arijit | Forest Coll & Res Inst, Dept Forest Prod & Utilizat, Hyderabad 502279, Telangana, India; Univ Malaya, Ctr Adv Mat, Kuala Lumpur, Malaysia; Inst Wood Sci & Technol, Dept Wood Properties & Proc, Bangalore, India; Maejo Univ, Int Coll MJU IC, Int Ind & Agr Innovat Res Ctr IIAR, Chiang Mai, Thailand; Univ Putra Malaysia, Inst Trop Forestry & Forest Prod, Lab Biopolymer & Derivat, Serdang, Malaysia; Natl Res & Innovat Indonesia, Res Ctr Biomat, Cibinong, Indonesia; Kyungpook Natl Univ, Dept Wood & Paper Sci, Daegu, South Korea; Oregon State Univ, Coll Forestry, Dept Wood Sci & Engn, Corvallis, OR USA | Yadav, Sumit/AAI-2108-2020; Lee, Seng Hua/V-1016-2019; Bhuyar, Prakash/ABA-6143-2020; Wibowo, Eko/AAL-5888-2021; Kelkar, B U/HKV-2985-2023; Fatriasari, Widya/AAQ-5462-2020 | 57451956100; 57191834292; 57196473067; 56983060000; 6506037331; 57211993473; 57191711306; 56690604600; 57214910272; 57203184231 | sumitmyadav13@gmail.com; | COMPOSITE INTERFACES | COMPOS INTERFACE | 0927-6440 | 1568-5543 | 31 | 12 | SCIE | MATERIALS SCIENCE, COMPOSITES | 2024 | 2.4 | 57.4 | 0.3 | 2025-05-07 | 4 | 4 | Polymer composites; nanoclay; thermosetting resins; physical properties; mechanical properties | UREA-FORMALDEHYDE RESINS; SURFACTANTS MODIFIED MONTMORILLONITE; MECHANICAL-PROPERTIES; THERMAL-PROPERTIES; POLYOLEFIN/CLAY NANOCOMPOSITES; THERMOMECHANICAL PROPERTIES; EPOXY/CLAY NANOCOMPOSITES; SILICATE NANOCOMPOSITES; HALLOYSITE NANOTUBES; PHENOL-FORMALDEHYDE | mechanical properties; nanoclay; physical properties; Polymer composites; thermosetting resins | Additives; Carbon Black; Environmental Regulations; Fillers; Formaldehyde; Polyepoxides; Additives; Carbon black; Environmental regulations; Epoxy resins; Filled polymers; Fillers; Formaldehyde; Nanocomposites; Polyester resins; Silica; Urea; Composites interfaces; Development activity; Nano clays; Nanoclay reinforcement; Nanofiller; Polymer composite; Research activities; Research and development; Thermoset polymers; Wood composites; Thermosets | English | 2024 | 2024-12-01 | 10.1080/09276440.2024.2373486 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |
| ○ | ○ | Article | ENVIRONMENTAL ISSUES ON TIKTOK: TOPICS AND CLAIMS OF MISLEADING INFORMATION | In light of the increasing frequency of misleading information in social media regarding environmental issues, this study aimed to identify misleading information spread through TikTok videos and to discuss why such content is considered misleading, drawing on relevant literature. Hashtags with large numbers of views, such as #climatechange, #sustainability, #pollution, #biodiversity, #environmentalprotection, #environmentalissues, #energysource, and #environmentalproblems, were used for data collection through web scrapper called Apify (https://apify.com/). A total of 29 misleading videos were found. Content analysis was applied to identify and classify the topics and misleading claims. The topics of misleading videos, according to the most frequent mentions, were energy sources, followed by climate change, pollution, biodiversity, and environmental degradation. Among the misleading claims, videos related to pyramids as nonpollutant power plants and conspiracy related to pollution exhibited the highest frequency. The results show various misleading claims in videos related to in addressing misleading information. environmental issues was reinforced. | Pereira, Brenda Braga; Ha, Sangwoo | Kyungpook Natl Univ, Dept Phys Educ, 80 Daehakro Bukgu, Daegu 41566, South Korea; Kyungpook Natl Univ, Sci Educ Res Inst, Dept Phys Educ, 80 Daehakro, Daegu 41566, South Korea | 57428497100; 55215468100 | brendabragapereira@gmail.com;hswgcb@knu.ac.kr; | JOURNAL OF BALTIC SCIENCE EDUCATION | J BALT SCI EDUC | 1648-3898 | 23 | 1 | SSCI | EDUCATION & EDUCATIONAL RESEARCH | 2024 | 1 | 57.5 | 0.7 | 2025-04-16 | 0 | 1 | TikTokvideos; misleading information; environmental issues; content analysis; science education | CLIMATE-CHANGE; FAKE NEWS; MISINFORMATION; KNOWLEDGE; EDUCATION; TOXICITY; BEHAVIOR; POVERTY; RISKS | content analysis; environmental issues; misleading information; science education; TikTok videos | English | 2024 | 2024 | 10.33225/jbse/24.23.131 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||||
| ○ | ○ | Article | Growth Characteristics of Peanut (Arachis hypogaea L. cv. Sinpalkwang) as Influenced by Irrigation Frequency and Temperature Conditions | PurposeThe aim of this study is to determine the applicable, practical environmental conditions for growing peanut sprouts using an automated cultivation system in farmhouses by analyzing environmental factors on growth parameters, focusing on changes in weight and length.MethodsAn automated cultivation system with a microcontroller to control temperature and irrigation frequency was developed and applied to the germination and growth of Sinpalkwang peanut sprouts. To assess the growth effects of the controlled environment in the cultivation system, the weight and length of the peanut sprouts were measured for up to 6 days. Finally, two growth indices, aggregate growth score and weight per unit length, were calculated to determine the overall growth of peanut sprouts.ResultsThe results showed significant variations in weight and length of Sinpalkwang in response to different irrigation frequencies and temperature conditions. The peanut sprouts exhibited statistically significant growth in terms of weight gain when subjected to a shorter irrigation frequency, with a positive correlation between weight and length. They also exhibited significant growth when subjected to a warmer temperature condition during germination phase with significantly higher growth indices.ConclusionsThis study identified favorable growth conditions for peanut sprouts by manipulating irrigation frequency and temperature parameters. It suggests that carefully controlled temperature and irrigation cycles could potentially improve the quality and yield of peanut sprouts in a short harvest period. | Lee, Juo; Jeon, Jae Sung; Seonwoo, Hoon; Oh, Imkyung; Huh, Chang-Ki; Ha, Ho-Kyung; Kim, Jungsil | Sunchon Natl Univ, Coll Life Sci & Nat Resources, Dept Convergent Biosyst Engn, Sunchon 57922, South Korea; Sunchon Natl Univ, Interdisciplinary Program IT Bio Convergence Syst, Sunchon 57922, South Korea; TEF Co Ltd, 60-12,Suncheon Ro,Seo Myeon, Sunchon 57906, South Korea; Sunchon Natl Univ, Dept Food Sci & Technol, Coll Life Sci & Nat Resources, Sunchon 57922, South Korea; Sunchon Natl Univ, Dept Anim Sci & Technol, Coll Life Sci & Nat Resources, Sunchon 57922, South Korea; Kyungpook Natl Univ, Coll Agr & Life Sci, Dept Smart Bioind Mech Engn, Daegu 41566, South Korea | 56464669600; 59504588200; 35424539900; 7101831013; 56487159600; 57203253755; 56523661500 | jungsil.kim@knu.ac.kr; | JOURNAL OF BIOSYSTEMS ENGINEERING | J BIOSYST ENG-KOR | 1738-1266 | 2234-1862 | 49 | 4 | ESCI | AGRICULTURAL ENGINEERING | 2024 | 1.9 | 57.5 | 0 | 2025-05-07 | 0 | 0 | Irrigation frequency; Peanut sprout; Sinpalkwang; Smart cultivation | RESVERATROL; SPROUTS; ULTRASOUND; HEALTH | Irrigation frequency; Peanut sprout; Sinpalkwang; Smart cultivation | Crop rotation; Germination; Irrigation; Arachis hypogaea L; Environmental conditions; Environmental factors; Growth characteristic; Growth indices; Irrigation frequency; Peanut sprout; Sinpalkwang; Smart cultivation; Temperature conditions; Oilseeds | English | 2024 | 2024-12 | 10.1007/s42853-024-00246-9 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | LEARNING CONCEPT NETWORKS IN THE PHOTOSYNTHESIS BASED ON STUDENTS' COGNITIVE LEVELS | An important educational goal is enabling students to learn scientific concepts. The scientific concepts learned in class are developed within students' cognitive structures. Despite the successful application of Semantic Network Analysis (SNA) to study these cognitive structures, there has been limited examination of students' concept networks based on their individual characteristics. Therefore, this study aims to evaluate the differences in students' characteristics based on their cognitive levels, which influence their thinking and behavior. To analyze these differences, this study compares concept and connected concept networks, focusing on photosynthesis, a challenging life sciences topic. The study's results indicate that students could not clearly distinguish concepts by subtopic, but there were changes in the concept network after class. Although the types and number of concepts students knew were similar depending on their cognitive level, the concept network structure differed. Additionally, some students could not distinguish between similar concepts. Thus, teachers are advised to differentiate between similar concepts during instruction and address personal variables such as students' cognitive levels. | Lim, Soo-min; Chun, Hyunju; Lee, Hyonyong; Kim, Youngshin | Kyungpook Natl Univ, Sci Educ Res Inst, Deagu, South Korea; Kyungpook Natl Univ, Coll Educ, Dept Biol Educ, Daegu, South Korea; Kyungpook Natl Univ, Coll Educ, Dept Earth Sci Educ, Daegu, South Korea | 55681196400; 57202752100; 8397744800; 55682233400 | bbolsar@naver.com;guswn157@naver.com;hlee@knu.ac.kr;kys5912@knu.ac.kr; | JOURNAL OF BALTIC SCIENCE EDUCATION | J BALT SCI EDUC | 1648-3898 | 23 | 4 | SSCI | EDUCATION & EDUCATIONAL RESEARCH | 2024 | 1 | 57.5 | 0 | 2025-05-07 | 0 | 0 | cognitive level; concept network; connected concept network; learning concept; photosynthesis | KNOWLEDGE | cognitive level; concept network; connected concept network; learning concept; photosynthesis | English | 2024 | 2024 | 10.33225/jbse/24.23.658 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||||
| ○ | ○ | Article | Paper Microfluidics Based on rGO/Polyaniline Nanofibers for Sensing Pyridoxine | PurposeThis study aims to develop a simple, low-cost, highly disposable paper-based electrochemical device to determine pyridoxine (vitamin B6).MethodsDual-layer paper-based electrochemical devices (PEDs) were fabricated using wax and screen-printing techniques. The electrochemical sensing layer towards pyridoxine detection is prepared by modifying the working electrode with reduced graphene oxide (rGO) and electrodeposited polyaniline (PANI) nanofibers. Optimization of electrodeposition time was carried out to uniformly coat PANI nanofibers over rGO-modified PEDs. Surface morphologies of modified electrodes were examined by field emission scanning electron microscopy (FESEM), and PEDs were electrochemically characterized by cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS). Chronoamperometric responses of the modified electrode against pyridoxine were utilized for its quantification.ResultsMorphological characterization of the modified FESEM indicates PANI's porous and nanofiber network over rGO. The electrochemical characterization of the PEDs with CV and EIS reveals that the synergetic combination of PANI and rGO nanostructure possesses excellent electrochemical performance and enhanced electrocatalytic activity towards the oxidation of pyridoxine. The chronoamperometric (CA) responses of the PANI-rGO/PEDs towards pyridoxine showed a broader linear range from 5 to 1100 mu M (R2 = 0.97) and showed a lower detection limit of 1.43 mu M at 0.50 V vs. pseudo-Ag/AgCl.ConclusionThe proposed multi-layer PEDs modified with a uniformly formed nanofiber network of PANI-rGO nanocomposite have the potential to be applied in developing a sensitive sensor for monitoring pyridoxine in a low-cost and disposable way. They are appropriate to be utilized in resource-limited settings. | Santhosh, Mallesh; Park, Tusan | Kyungpook Natl Univ, Smart Agr Innovat Ctr, Daehak Ro 80, Daegu 41566, South Korea; Kyungpook Natl Univ, Dept Bioind Mech Engn, Daehak Ro 80, Daegu 41566, South Korea | Park, Tusan/C-2057-2012 | 56533710200; 57202780408 | tusan.park@knu.ac.kr; | JOURNAL OF BIOSYSTEMS ENGINEERING | J BIOSYST ENG-KOR | 1738-1266 | 2234-1862 | 49 | 1 | ESCI | AGRICULTURAL ENGINEERING | 2024 | 1.9 | 57.5 | 0.52 | 2025-05-07 | 1 | 1 | Paper-based electrochemical devices; Vitamin B6; Pyridoxine; PANI; rGO | GRAPHENE OXIDE; ELECTROCHEMICAL SENSOR; FABRICATION; COMPOSITES | PANI; Paper-based electrochemical devices; Pyridoxine; rGO; Vitamin B6 | Chronoamperometry; Costs; Cyclic voltammetry; Electrochemical biosensors; Electrochemical electrodes; Electrochemical impedance spectroscopy; Electrodeposition; Field emission microscopes; Graphene; Nanofibers; Paper; Polyaniline; Screen printing; Disposables; Electrochemical devices; Field emission scanning electron microscopy; Low-costs; Modified electrodes; Paper-based electrochemical device; Polyaniline nanofibers; Pyridoxine; Reduced graphene oxides; Vitamin B-6; Scanning electron microscopy | English | 2024 | 2024-03 | 10.1007/s42853-024-00216-1 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |
| ○ | ○ | Article | Seasonal abundance of Halyomorpha halys (Hemiptera: Pentatomidae) in habitats surrounding international ports and mobility and reproductive status of the insect during autumn dispersal period in South Korea | We monitored the seasonal abundance of Halyomorpha halys (Hemiptera: Pentatomidae) in forested areas near international ports and agricultural landscapes in South Korea from April to November in 2020 and 2021. Furthermore, flight capacity and reproductive status of field-collected H. halys adults during autumn dispersal period were evaluated. A total of 2,395 adults and 259 nymphs were collected, and population dynamics of adults showed similar patterns in forested areas near the ports and agricultural landscapes. Mean and maximum flight distances of adults collected from October to November, 2021, were 229 +/- 71m and 2,802m, respectively, and all adults were nonreproductive except one male. | Kho, Jung-Wook; Gook, Do-Hun; Jung, Minhyung; Kim, Donghun; Kim, Jiseok; Hwang, Seoyul; Gu, Gyeongmo; Lee, Doo-Hyung | Gachon Univ, Dept Life Sci, Seongnam Daero 13120, Gyeonggi Do, South Korea; Kyungpook Natl Univ, Dept Vector Entomol, Sangju, South Korea; Kyungpook Natl Univ, Dept Appl Biol, Sangju, South Korea | 57203589968; 57744167100; 57188649986; 56115927500; 57870544800; 57286510400; 57920213000; 55649570824 | dl343@gachon.ac.kr; | INTERNATIONAL JOURNAL OF PEST MANAGEMENT | INT J PEST MANAGE | 0967-0874 | 1366-5863 | 70 | 4 | SCIE | ENTOMOLOGY | 2024 | 1.1 | 57.7 | 0 | 2025-04-16 | 1 | 0 | Biological invasion; invasive species; pheromone trap; population dynamics; reproductive diapause | MARMORATED STINK BUG; AGGREGATION PHEROMONE; PHENOLOGY; BIOLOGY; PEST; HETEROPTERA; DIAPAUSE; BEHAVIOR; ECOLOGY; IMPACT | Biological invasion; invasive species; pheromone trap; population dynamics; reproductive diapause | South Korea; abundance; adult; autumn; biological invasion; diapause; dispersal; insect; invasive species; pheromone trap; population dynamics; reproductive status | English | 2024 | 2024-10-01 | 10.1080/09670874.2022.2127967 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | Virtual reality concerts: Determinants of success using the information system success model | As virtual reality (VR) technology advances, it has become a transformative tool for experiencing events without location, time, or capacity constraints. This development was particularly salient during the COVID-19 pandemic, accelerating the need for virtual event solutions. Despite the growing attention to VR in the event industry, research on the key drivers of successful VR events is lacking. The current study addresses this gap by developing and examining a conceptual model built on the information system success model to identify the determinants of VR concert success. Through empirical analysis, the study reveals that content, system, and service quality are pivotal to shaping attitudes toward VR applications and fostering continuance intention among VR concert attendees. These findings offer valuable insights for industry practitioners and provide a strategic framework to enhance user engagement and retention in VR events. Moreover, this research lays the groundwork for future explorations into VR efficiency in the broader context of virtual events. | Kim, Sung Eun | Kyungpook Natl Univ, Dept Tourism, Daegu, South Korea | 57193428401 | sekim@knu.ac.kr; | JOURNAL OF CONVENTION & EVENT TOURISM | J CONV EVENT TOUR | 1547-0148 | 1547-0156 | 25 | 5 | ESCI | HOSPITALITY, LEISURE, SPORT & TOURISM | 2024 | 1.6 | 57.9 | 0.28 | 2025-05-07 | 0 | 1 | Event technology; IS success model; virtual event; virtual reality; VR concerts | USER ACCEPTANCE; EXPERIENCE; BEHAVIORS | Event technology; IS success model; virtual event; virtual reality; VR concerts | English | 2024 | 2024-10-19 | 10.1080/15470148.2024.2401793 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |||
| ○ | ○ | Article | In Situ Synthesized Gold-Conjugated Hemoglobin-Cu3 (PO4)2 Hybrid Nanopetals for Enhanced Electrochemical Detection of H2O2 | In situ synthesis of novel hybrid organic-inorganic nanopetals (HNPs) of Copper (Cu2+) and gold-conjugated hemoglobin (Au@Hb) is reported. The presence of Au within the protein matrix prevents the formation of a flower-like assembly of the formed nanopetals of Au@Hb and Cu2+ via the co-precipitation method. Morphological, chemical, and electrocatalytic activities of in situ synthesized Au@Hb-Cu HNPs were examined systematically. The hybrid nanopetal (Au@Hb-Cu HNP)-modified screen-printed PET electrodes show enhanced electrocatalytic activity toward the oxidation of H2O2 compared to electrodes modified with Hb-copper hybrid nanoflowers (Hb-Cu HNFs) without Au conjugation. The proposed biosensor exhibits excellent electrochemical performance with broad linear responses over a H2O2 concentration ranging from 5 to 1000 mu M (R-2 = 0.99) and showed a lower detection limit of 1.46 mu M at 0.30 V vs. pseudo Ag/AgCl. Enhanced electrochemical performance is attributed to heterogeneous active sites over hybrid nanopetal surfaces. Moreover, the hybrid nanopetal-modified electrodes showed excellent stability and anti-interference performance in the presence of ascorbic acid, uric acid, fructose, and glucose. These results demonstrate that Au@Hb-Cu HNPs offer a better and more promising alternative for the electrochemical detection of H2O2 sensitively. | Santhosh, Mallesh; Park, Tusan | Kyungpook Natl Univ, Smart Agr Innovat Ctr, Daegu 41566, South Korea; Kyungpook Natl Univ, Dept Smart Bioind Mech Engn, Daegu 41566, South Korea | Park, Tusan/C-2057-2012 | 56533710200; 57202780408 | tusan.park@knu.ac.kr; | ELECTROCATALYSIS | ELECTROCATALYSIS-US | 1868-2529 | 1868-5994 | 15 | 6 | SCIE | CHEMISTRY, PHYSICAL;ELECTROCHEMISTRY | 2024 | 2.8 | 58.0 | 0 | 2025-05-07 | 0 | 0 | Biosensor; Hydrogen peroxide; Nanopetals; Hemoglobin; Hybrid nanostructure | HYDROGEN-PEROXIDE; BIOSENSOR; FABRICATION; FACILE; SENSOR | Biosensor; Hemoglobin; Hybrid nanostructure; Hydrogen peroxide; Nanopetals | English | 2024 | 2024-11 | 10.1007/s12678-024-00886-7 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | Motion Imitation Robot Based on Artificial Neural Network with Minimization of Restrictions on Degrees of Freedom | For a robot to imitate human motions, each human joint must be mapped onto the robot. In the mapping process of the NAO robot, there is a degrees-of-freedom mismatch problem between a human arm with six degrees of freedom and a robot arm with four degrees of freedom. During the collection of information on robot joint angles from human joint angles, some information on the six degrees of freedom is absent, resulting in inaccurate or erroneous movements of the robot, requiring additional calculations. In this paper, we propose a robot technology that imitates human movements by minimizing the degrees-of-freedom constraints without missing information using an artificial neural network. To verify the proposed approach, a manually measured answer dataset and an inverse kinematics answer dataset were created for each of the 919 motion frames of the human right-arm and upper-body motions. The robot imitation performance was stable through a 10-fold verification with the manually measured and inverse kinematics answer datasets for the right-arm motion imitations of 3.245(degrees) and 4.24(degrees) and the upper-body imitations of 5.10(degrees) and 4.82(degrees). In addition, as the trends of the robot prediction motion signal graph were similar to those of the answer motion signal graph, the proposed approach demonstrated a steady imitation performance. | Kang, Jeong-Hun; Park, Seong-Jin; Kim, Ye-Won; Kang, Bo-Yeong | Kyungpook Natl Univ, Dept Artificial Intelligence, Daegu, South Korea; Kyungpook Natl Univ, Dept Mech Engn, Daegu, South Korea; Kyungpook Natl Univ, Dept Robot & Smart Syst Engn, Daegu, South Korea | Kang, Bo-Yeong/IXW-6764-2023 | 59365771600; 59365931900; 58309651100; 26643468300 | kby09@knu.ac.kr; | INTERNATIONAL JOURNAL OF FUZZY LOGIC AND INTELLIGENT SYSTEMS | INT J FUZZY LOG INTE | 1598-2645 | 2093-744X | 24 | 3 | ESCI | COMPUTER SCIENCE, THEORY & METHODS | 2024 | 1.2 | 58.2 | 0 | 2025-05-07 | 0 | 0 | Artificial neural network; Motion imitation; Artificial intelligence (AI); NAO robot | Artificial intelligence (AI); Artificial neural network; Motion imitation; NAO robot | English | 2024 | 2024-09 | 10.5391/ijfis.2024.24.3.242 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |||
| ○ | ○ | Article | Generalized transforms of graded Strong Mori domains | Let Gamma be a torsion-free cancellative monoid and let R=circle plus R-alpha is an element of Gamma (alpha) be a graded integral domain. In this paper, we show that if R is a graded Strong Mori domain, then every homogeneously t-linked overring of R contained in R-hwg is a graded Strong Mori domain, where R(hwg )is the homogeneous w-global transform of R; and if R is a graded Strong Mori domain, then R-(sic) is also a graded Strong Mori domain, where (sic) is a multiplicative set of ideals of R generated by homogeneous ideals of R. | Kim, Dong Kyu | Kyungpook Natl Univ, Coll Nat Sci, Dept Math, Daegu 41566, South Korea | 57211492493 | dongkyu0397@gmail.com; | COMMUNICATIONS IN ALGEBRA | COMMUN ALGEBRA | 0092-7872 | 1532-4125 | 52 | 4 | SCIE | MATHEMATICS | 2024 | 0.6 | 58.3 | 0 | 2025-04-16 | 0 | 0 | Generalized transform; homogeneous w-global transform; graded Strong Mori domain; graded Mori domain; homogeneous w-overdomain; homogeneously t-linked overring | IDEAL TRANSFORMS; INTEGRAL CLOSURE; OVERRINGS | Generalized transform; graded Mori domain; graded Strong Mori domain; homogeneous w-global transform; homogeneous w-overdomain; homogeneously t-linked overring | English | 2024 | 2024-01-02 | 10.1080/00927872.2023.2265487 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |||
| ○ | ○ | Article | Geometry of Multilinear Forms on a Normed Space Rm | For every m = 2, let R mk center dot k be Rm with a norm k center dot k such that its unit ball has finitely many extreme points. For every n = 2, we focus our attention on the description of the sets of extreme and exposed points of the closed unit balls of L n R mk center dot k and Ls(nR mk center dot k), where L nR mk center dot k is the space of n-linear forms on R mk center dot k and Ls(n R mk center dot k) is the subspace of L n R mk center dot k formed by symmetric n-linear forms. Let F = L n R mk center dot k or Ls nR mk center dot k. First, we show that the number of extreme points of the unit ball in R mk center dot k is greater than 2m. By using this fact, we classify the extreme and exposed points of the closed unit ball in F, respectively. It is shown that every extreme point of the closed unit ball in F is exposed. We obtain the results of [Studia Sci. Math. Hungar., 57, No. 3, 267 (2020)] and extend the results from [Acta Sci. Math. (Szeged), 87, Nos. 1-2, 233 (2021) and J. Korean Math. Soc., 60, No. 1-2, 213 (2023)]. | Kim, Sung Guen | Kyungpook Natl Univ, Dept Math, Daegu, South Korea | 34769667700 | sgk317@knu.ac.kr; | UKRAINIAN MATHEMATICAL JOURNAL | UKR MATH J+ | 0041-5995 | 1573-9376 | 76 | 6 | SCIE | MATHEMATICS, APPLIED;MATHEMATICS | 2024 | 0.6 | 58.3 | 0 | 2025-05-07 | 0 | 0 | EXPOSED 2-HOMOGENEOUS POLYNOMIALS; EXTREME-POINTS; UNIT BALL; BILINEAR-FORMS | English | 2024 | 2024-10-01 | 10.1007/s11253-024-02366-z | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |||||
| ○ | ○ | Article | Homogeneous star-operations on graded integral domains | Let Gamma be a torsion-free cancellative monoid and let R=circle plus alpha is an element of Gamma R alpha be a graded integral domain. In this paper, we define the concept of homogeneous star-operations, which is a generalization of that of star-operations, and apply some properties of star-operations. Also, we define the concept of homogeneous divisor classes, which is the graded integral domain version of that of divisor classes, and study some equivalent conditions for the set of homogeneous divisor classes HD(R) of R to be a group. | Kim, Dong Kyu | Kyungpook Natl Univ, Coll Nat Sci, Dept Math, Daegu 41566, South Korea | 57211492493 | dongkyu0397@gmail.com; | COMMUNICATIONS IN ALGEBRA | COMMUN ALGEBRA | 0092-7872 | 1532-4125 | 52 | 10 | SCIE | MATHEMATICS | 2024 | 0.6 | 58.3 | 1.78 | 2025-04-16 | 1 | 1 | Homogeneous divisor class group; homogeneous fractional ideal; homogeneous prime *-ideal; homogeneous star-operation; maximal homogeneous *-ideal | CLOSURE | Homogeneous divisor class group; homogeneous fractional ideal; homogeneous prime *-ideal; homogeneous star-operation; maximal homogeneous *-ideal | English | 2024 | 2024-10-02 | 10.1080/00927872.2024.2346842 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |||
| ○ | ○ | Article | Marginally Trapped Ruled Surfaces and Their Gauss Map in Minkowski Space | In 1991, Chen proposed a conjecture which is the relationship between biharmonic submanifolds and harmonic submanifolds in Euclidean space and quite a few related studies have supported it. Around the same time, it was proved that Chen's conjecture does not extend to submanifolds in Minkowski space. In this paper, as part of these researches, we investigate biharmonic marginally trapped ruled surfaces in Minkowski m-space and then construct some examples about them in which Chen's conjecture does not hold. | Jung, Sun Mi; Kim, Young Ho | Kyungpook Natl Univ, Dept Math, Daegu 41566, South Korea | Kim, Young/J-5414-2012 | 24281735100; 57215211825 | jung3756@knu.ac.kr;yhkim@knu.ac.kr; | TAIWANESE JOURNAL OF MATHEMATICS | TAIWAN J MATH | 1027-5487 | 2224-6851 | 28 | 5 | SCIE | MATHEMATICS | 2024 | 0.6 | 58.3 | 0 | 2025-05-07 | 0 | 0 | marginally trapped surface; Minkowski space; Gauss map; biharmonic marginallytrapped ruled surface | DISTINCT PRINCIPAL CURVATURES; BIHARMONIC HYPERSURFACES; SUBMANIFOLDS | biharmonic marginally trapped ruled surface; Gauss map; marginally trapped surface; Minkowski space | English | 2024 | 2024-10 | 10.11650/tjm/240403 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | n-absorbing ideal factorization in commutative rings | In this article, we show that Mori domains, pseudo-valuation domains, and n-absorbing ideals, the three seemingly unrelated notions in commutative ring theory, are interconnected. In particular, we prove that an integral domain R is a Mori locally pseudo-valuation domain if and only if each proper ideal of R is a finite product of 2-absorbing ideals of R. Moreover, every ideal of a Mori locally almost pseudo-valuation domain can be written as a finite product of 3-absorbing ideals. To provide concrete examples of such rings, we study rings of the form A+XB[X] where A is a subring of a commutative ring B and X is indeterminate, which is of independent interest, and along with several characterization theorems, we prove that in such a ring, each proper ideal is a finite product of n-absorbing ideals for some n >= 2 if and only if A subset of B is essentially a finite product of field extensions. A complete description of when an order of a quadratic number field is a locally pseudo valuation domain, a locally almost pseudo valuation domain or a locally conducive domain is given. | Choi, Hyun Seung | Kyungpook Natl Univ, Dept Math Educ, Daegu, South Korea; Kyungpook Natl Univ, Dept Math Educ, 80 Daehakro, Daegu 41566, South Korea | 57211287845 | hchoi21@knu.ac.kr; | COMMUNICATIONS IN ALGEBRA | COMMUN ALGEBRA | 0092-7872 | 1532-4125 | 52 | 7 | SCIE | MATHEMATICS | 2024 | 0.6 | 58.3 | 1.78 | 2025-04-16 | 1 | 1 | 2-absorbing ideals; almost pseudo-valuation domains; Mori domains; pseudo-valuation domains; strongly Laskerian rings | PSEUDO-VALUATION DOMAINS; SEMI-PRIMARY IDEALS; INTEGRAL-DOMAINS; MORI DOMAINS; MULTIPLICATION RINGS | 2-absorbing ideals; almost pseudo-valuation domains; Mori domains; pseudo-valuation domains; strongly Laskerian rings | English | 2024 | 2024-07-02 | 10.1080/00927872.2024.2311842 | 바로가기 | 바로가기 | 바로가기 | 바로가기 |
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