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Erratum to “Neutron yields of Be-9(p,xn)B-9 reactions and beam characterization for accelerator-based boron neutron capture therapy facility using MCNP6, PHITS, and Geant4 simulation results” [Nucl. Instrum. Methods Phys. Res., Sect. B 478 (2020) 233–238]

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Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 2021年 490卷 67-68页

作者： Sangmin Lee Hyegang Chang Junyoung Lee Yong Uk Kye Sung-Joon Ye Program in Biomedical Radiation Sciences Department of Transdisciplinary Studies Graduate School of Convergence Science and Technology Seoul National University Seoul Republic of Korea Pohang Accelerator Laboratory Pohang University of Science and Technology Pohang Gyeongbuk 37673 Republic of Korea

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Constructing a Cross-Disciplinary Idea convergence System Using AIGC: A Case Study of Engineering and Design

Constructing a Cross-Disciplinary Idea Convergence System Us...

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International Conference on Information Visualisation (IV)

作者： Jia-Rong Li Hsin-Yi Huang Teng-Wen Chang Chi-Chi Shih Hsiang-Ting Chien dept. of Digital Media Design National Yunlin University of Science and Technology Yunlin County Taiwan R. O. C. dept. of Graduate School of Design Master Doctoral Program Yunlin University of Science and Technology Yunlin County Taiwan R. O. C.

In response to globalization and increased competition, individual professionals in a single field often cannot provide comprehensive solutions. Collaboration among professionals from different disciplines is required to find more effective solutions. This study aims to develop a system called AIGC (AI Generated Content) to facilitate idea convergence in interdisciplinary teams. The system aims to address the collaboration challenges between engineering and design fields and facilitate consensus through the introduction of images and visual elements. To achieve this goal, qualitative research methods were employed, including contextual interviews, the KJ method, brainstorming, personas, and user journey mapping, among others. These methods were chosen because they provide in-depth understanding of communication and collaboration patterns among participants and offer valuable insights. The selection of participants was based on their experience and expertise in interdisciplinary projects. Students from design and engineering fields were chosen as research participants to ensure diversity and representativeness. During the execution of the study, the research team collected data through contextual interviews and related qualitative research methods. The steps involved in contextual interviews included selecting appropriate scenarios, designing relevant guided questions, and conducting face-to-face interviews. Through these methods, we gained deep insights into participants' communication patterns, thought processes, and collaboration needs. The results of this study demonstrate that the AIGC system, which facilitates interdisciplinary idea convergence, effectively promotes consensus among participants. This is achieved through interactive processes such as selecting images, describing images, and engaging in interactive design. The application of the system is significant in addressing collaboration challenges between the engineering and design fields and holds potent

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Effect of plasma modification on the anisotropic surface structure of PAN-based graphitic carbon fiber

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Carbon 2025年 242卷

作者： Lee, Sora Hoang, Quang Ninh Lee, Hunsu Chung, Yong Sik Park, Hyungbum Lee, Sungho Carbon Composite Materials Research Center Korea Institute of Science and Technology 92 Chudong-ro Bongdong-eup Jeonbuk Wanju-gun55324 Korea Republic of Department of Organic Materials and Fiber Engineering Jeonbuk National University 567 Baekje-daero Deokjin-gu Jeonbuk Jeonju54896 Korea Republic of Department of Mechanical Engineering Incheon National University 119 Academy-ro Yeonsu-gu Incheon22012 Korea Republic of RAMP Convergence Research Center Korea Institute of Science and Technology 92 Chudong-ro Bongdong-eup Jeonbuk Wanju-gun55324 Korea Republic of Department of Nano Material Engineering KIST School University of Science and Technology 217 Gajeong-ro Daejeon Yuseong-gu34113 Korea Republic of

Plasma treatment is widely used to modify carbon fiber (CF) surfaces to improve their adhesion to the matrix. Commercial polyacrylonitrile (PAN)-based CFs (T700S and T800H) were plasma-treated after heat treatment at 2700 °C. The different types of domain structures observed on the surface of CFs were closely related to their microstructure as well as physical properties. X-ray photoelectron spectroscopy analysis of the plasma-treated CF surface showed a significant increase in oxygen concentration. AFM revealed that both heat and plasma treatments induced morphological changes at the submicron and nanoscales by tracing the growth and breaking of domains. Notably, enhanced surface roughness contributed to better interfacial adhesion in composites by providing a larger contact area between the CFs and the matrix, resulting in stronger mechanical interlocking at the interfaces. Plasma-treated samples for 10 min exhibited 3.0 to 5.6 times higher IFSS values compared to those of the heat-treated CFs. Additionally, FE simulations demonstrated that surface roughness can create significant mechanical interlocking at the interface, leading to significant variations in interface behavior between the transverse and longitudinal directions. This allows for an observation of the changes in the surface chemistry after modifications are applied to industrially available heat-treated CF. © 2025 The Authors

关键词： Surface roughness

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Communicationmachine Learning-Based QSAR and LB-PaCS-MD Guided Design of SARs-CoV-2 Main Protease Inhibitors

SSRN

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SSRN 2024年

作者： Toopradab, Borwornlak Xie, Wanting Duan, Lian Hengphasatporn, Kowit Harada, Ryuhei Sinsulpsiri, Silpsiri Shigeta, Yasuteru Shi, Liyi Maitarad, Phornphimon Rungrotmongkol, Thanyada Program in Bioinformatics and Computational Biology Graduate School Chulalongkorn University Bangkok10330 Thailand Center of Excellence in Biocatalyst and Sustainable Biotechnology Department of Biochemistry Faculty of Science Chulalongkorn University Bangkok10330 Thailand Research Center of Nano Science and Technology Department of Chemistry College of Science Shanghai University Shanghai200444 China University of Tsukuba 1-1-1 Tennodai Ibaraki Tsukuba305-8577 Japan Graduate School of Pure and Applied Sciences University of Tsukuba 1-1-1 Tennodai Ibaraki305–8571 Japan Emerging Industries Institute Shanghai University Zhejiang Jiaxing314006 China

The global outbreak of the COVID-19 pandemic caused by the SARS-CoV-2 virus had led to profound respiratory health implications. This study focused on designing organoselenium-based inhibitors targeting the SARS-CoV-2 main protease (Mpro). The ligand-binding pathway sampling method based on parallel cascade selection molecular dynamics (LB-PaCS-MD) simulations was employed to elucidate plausible paths and conformations of ebselen, a synthetic organoselenium drug, within the Mpro catalytic site. Ebselen effectively engaged the active site, adopting proximity to H41 and interacting through the benzoisoselenazole ring in a π-π T-shaped arrangement, with an additional π-sulfur interaction with C145. In addition, the ligand-based drug design using the QSAR with GFA-MLR, RF, and ANN models were employed for biological activity prediction. The QSAR-ANN model showed robust statistical performance, with an R2training exceeding 0.98 and an RMSEtest of 0.21, indicating its suitability for predicting biological activities. Integration the ANN model with the LB-PaCS-MD insights enabled the rational design of novel compounds anchored in the ebselen core structure, identifying promising candidates with favorable predicted IC50 values. The designed compounds exhibited suitable drug-like characteristics and adopted an active conformation similar to ebselen, inhibiting Mpro function. These findings represent a synergistic approach merging ligand and structure-based drug design;with the potential to guide experimental synthesis and enzyme assay testing. © 2024, The Authors. All rights reserved.

关键词： Coronavirus

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Urinary concentrations of organophosphate esters and associated health outcomes in Korean firefighters

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Chemosphere 2023年第1期339卷 139641页

作者： Lim, Jae-Eun Kang, Habyeong Lee, Jiwon Kim, Sunmi Bae, Munjoo Moon, Hyo-Bang Choi, Kyungho Kim, Changsoo Kim, Ki-Tae Department of Marine Sciences and Convergent Technology College of Science and Convergence Technology Hanyang University Ansan15588 Korea Republic of Department of Environmental Health Sciences Graduate School of Public Health Seoul National University Seoul08826 Korea Republic of Institute of Health Sciences College of Health Science Korea University Seoul02841 Korea Republic of Department of Environmental Engineering Seoul National University of Science and Technology Seoul01811 Korea Republic of Chemical Analysis Center Chemical Platform Technology Division Korea Research Institute of Chemical Technology Daejeon34114 Korea Republic of Department of Preventive Medicine Yonsei University College of Medicine Seoul03722 Korea Republic of

Although firefighters are at an increased risk of occupational exposure to chemicals, such as flame retardants, research on the exposure of Korean firefighters to organophosphate esters (OPEs)—a group of emerging flame retardants—remains limited. Therefore, in the present study, OPE metabolite concentrations in the urine samples of 149 former and current Korean firefighters were measured. Based on the data obtained, the estimated daily intakes (EDIs) of OPEs were calculated. Subsequently, the association between the urinary concentrations of OPE metabolites and the potential determinants of OPE exposure and health outcomes (e.g., obesity and serum lipids) was investigated. We found that bis(1-chloro-2-propyl) phosphate (BCIPP) and bis(2-chloroethyl) phosphate (BCEP) were the most prevalent urinary OPE metabolites, with median concentrations of 2.33 and 1.80 ng/mL, respectively;these concentrations were higher than those reported previously in other countries, such as the USA and China. Moreover, their parent compounds—tris(1-chloro-2-propyl) phosphate (TCIPP) and tris(2-chloroethyl) phosphate (TCEP)—exhibited EDIs of 126 and 94.8 ng/kg bw/day, respectively. Unlike the high detection rate of bis(1,3-dichloro-2-propyl) phosphate (BDCIPP) in other populations, its detection rate in this study was low (6.7%), suggesting regional differences in the exposure pattern of OPEs among countries. Furthermore, occupational characteristics, such as recent participation in firefighting activity, were identified as determinants of the urinary concentrations of OPE metabolites. Total OPE metabolites were inversely associated with body mass index and positively associated with high-density lipoprotein cholesterol. Overall, our findings demonstrate that Korean firefighters are highly exposed to several occupation-related OPEs. Further prospective studies will help elucidate the potential health implications of occupational exposure to OPEs among firefighters. © 2023 Elsevier Ltd

关键词： Metabolites

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Semantic Communications for Artificial Intelligence Generated Content (AIGC) Toward Effective Content Creation

arXiv

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arXiv 2023年

作者： Liu, Guangyuan Du, Hongyang Niyato, Dusit Kang, Jiawen Xiong, Zehui Kim, Dong In Shen, Xuemin The School of Computer Science and Engineering The Energy Research Institute @ NTU Interdisciplinary Graduate Program Nanyang Technological University Singapore The School of Computer Science and Engineering Nanyang Technological University Singapore The School of Automation Guangdong University of Technology China The Pillar of Information Systems Technology and Design Singapore University of Technology and Design Singapore The Department of Electrical and Computer Engineering Sungkyunkwan University Korea Republic of The Department of Electrical and Computer Engineering University of Waterloo Canada

Artificial Intelligence Generated Content (AIGC) Services have significant potential in digital content creation. The distinctive abilities of AIGC, such as content generation based on minimal input, hold huge potential, especially when integrating with semantic communication (SemCom). In this paper, a novel comprehensive conceptual model for the integration of AIGC and SemCom is developed. Particularly, a content generation level is introduced on top of the semantic level that provides a clear outline of how AIGC and SemCom interact with each other to produce meaningful and effective content. Moreover, a novel framework that employs AIGC technology is proposed as an encoder and decoder for semantic information, considering the joint optimization of semantic extraction and evaluation metrics tailored to AIGC services. The framework can adapt to different types of content generated, the required quality and the semantic information utilized. By employing a Deep Q Network (DQN), a case study is presented that provides useful insights into the feasibility of the optimization problem and its convergence characteristics. © 2023, CC BY.

关键词： Wireless networks

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Direct Visualization of a Disorder Driven Electronic Smectic Phase in Dirac Nodal Line Semimetal GdSbTe

arXiv

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arXiv 2024年

作者： Venkatesan, Balaji Guan, Syu-You Chang, Jen-Te Chiu, Shiang-Bin Yang, Po-Yuan Su, Chih-Chuan Chang, Tay-Rong Raju, Kalaivanan Sankar, Raman Fongchaiya, Somboon Chu, Ming-Wen Chang, Chia-Seng Chang, Guoqing Lin, Hsin Del Maestro, Adrian Kao, Ying-Jer Chuang, Tien-Ming Department of Physics National Taiwan University Taipei10617 Taiwan Nano Science and Technology Program Taiwan International Graduate Program Academia Sinica National Taiwan University Taipei11529 Taiwan Institute of Physics Academia Sinica Taipei11529 Taiwan Department of Physics National Cheng-Kung University Tainan701 Taiwan Center for Condensed Matter Sciences National Taiwan University Taipei10617 Taiwan Molecular Science and Technology Program Taiwan International Graduate Program Academia Sinica Taipei11529 Taiwan Division of Physics and Applied Physics School of Physical and Mathematical Sciences Nanyang Technological University 21 Nanyang Link 637371 Singapore Department of Physics and Astronomy University of Tennessee KnoxvilleTN37996 United States Institute for Advanced Materials & Manufacturing University of Tennessee KnoxvilleTN37996 United States Min H. Kao Department of Electrical Engineering and Computer Science University of Tennessee KnoxvilleTN37996 United States Center for Quantum Science and Technology National Taiwan University Taipei10607 Taiwan

Electronic liquid crystal (ELC) phases are spontaneous symmetry breaking states believed to arise from strong electron correlation in quantum materials such as cuprates and iron pnictides. Here, we report a direct observation of a smectic phase in a weakly correlated Dirac nodal line (DNL) semimetal GdSbxTe2-x. Incommensurate smectic charge modulation and intense local unidirectional nanostructure are visualized by using spectroscopic imaging - scanning tunneling microscopy. As topological materials with symmetry protected Dirac or Weyl fermions are mostly weakly correlated, the discovery of such an ELC phase are anomalous and raise questions on the origin of their emergence. Specifically, we demonstrate how chemical substitution generates these symmetry breaking phases before the system undergoes a charge density wave (CDW) - orthorhombic structural transition. Our results highlight the importance of impurities in realizing ELC phases and present a new material platform for exploring the interplay among quenched disorder, topology and electron correlation. Copyright © 2024, The Authors. All rights reserved.

关键词： Charge density waves

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Dimethyl acridine-based self-assembled monolayer as a hole transport layer for highly efficient inverted perovskite solar cells

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Energy Materials and Devices 2024年第2期2卷 29-38页

作者： Liufei Li Rongyao Lv Guiqi Zhang Bing Cai Xin Yu Yandong Wang Shantao Zhang Xiaofen Jiang Xinyu Li Shuang Gao Xue Wang Ziqi Hu Wen-Hua Zhang Shangfeng Yang Yunnan Key Laboratory of Carbon Neutrality and Green Low-carbon Technologies Yunnan Key Laboratory for Micro/Nano Materials&TechnologySchool of Materials and EnergyYunnan UniversityKunming 650504China Key Laboratory of Precision and Intelligent Chemistry Collaborative Innovation Center of Chemistry for Energy Materials(iChEM)School of Chemistry and Materials ScienceUniversity of Science and Technology of ChinaHefei 230026China Southwest United Graduate School Kunming 650092China

Self-assembled monolayers(SAMs)have recently emerged as excellent hole transport materials in inverted perovskite solar cells(PSCs)owing to their ability to minimize parasitic absorption,regulate energy level alignment,and passivate perovskite ***,we design and synthesize a novel dimethyl acridinebased SAM,[2-(9,10-dihydro-9,9-dimethylacridine-10-yl)ethyl]phosphonic acid(2PADmA),and employ it as a hole-transporting layer in inverted *** results show that the 2PADmA SAM can modulate perovskite crystallization,facilitate carrier transport,passivate perovskite defects,and reduce nonradiative ***,the 2PADmA-based device achieves an enhanced power conversion efficiency(PCE)of 24.01%and an improved fill factor(FF)of 83.92%compared to the commonly reported[2-(9H-carbazol-9-yl)ethyl]phosphonic acid(2PACz)-based control device with a PCE of 22.32%and FF of 78.42%,while both devices exhibit comparable open-circuit voltage and short-circuit current *** addition,2PADmA-based devices exhibit outstanding dark storage and thermal stabilities,retaining approximately~98%and 87%of their initial PCEs after 1080 h of dark storage and 400 h of heating at 85°C,respectively,both considerably superior to the control device.

关键词： perovskite solar cells hole transport layer self-assembled monolayer power conversion efficiency stability

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LM22A-4-loaded smart mesoporous balls enhance neuroprotection and functional recovery after ischemic stroke

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Biomedicine and Pharmacotherapy 2025年 183.0卷 117863-117863页

作者： Lee, Jae Ho Lee, Kyeong Hyeon Ryu, Ji Hyeon Kim, Min Jae Kim, Eunji Lee, Seo-Yeon Han, Sang-Cheol Choi, Byung Tae Shin, Yong-Il Shin, Hwa Kyoung Department of Korean Medical Science School of Korean Medicine Pusan National University Gyeongnam Yangsan 50612 South Korea Graduate Training Program of Korean Medical Therapeutics for Healthy-Aging Pusan National University Gyeongnam Yangsan 50612 South Korea Department of Rehabilitation Medicine School of Medicine Pusan National University Gyeongnam Yangsan 50612 South Korea Research Institute for Convergence of Biomedical Science and Technology Pusan National University Yangsan Hospital Gyeongnam Yangsan 50612 South Korea Department of Pharmacology Wonkwang University School of Medicine Jeonbuk Iksan 54538 South Korea CEN Co. Ltd. Nano-Convergence Center 761 Muan-ro Miryang 50404 South Korea

Stroke is globally recognized as the second leading cause of death, significantly impairing both motor and cognitive functions. Enhancing regeneration after stroke is crucial for restoring these functions and necessitates strategies to promote neuroregeneration to achieve better post-stroke outcomes. Brain-derived neurotrophic factor (BDNF) plays a key role in neuroregeneration by influencing motor ability, learning, memory, and rehabilitation after stroke. However, challenges such as the substantial protein size, short half-life of BDNF, and blood-brain barrier hinder its efficient delivery to the brain. In this study, LM22A-4, a BDNF mimetic, was utilized and delivered through a Smart Mesoporous Ball (SMB-3) system to target the ischemic injured brain and explore its potential therapeutic effects in a mouse ischemic stroke model. Treatment with LM22A-4-loaded SMB-3 (LM22A-4-SMB-3) markedly restored neurological, motor, and cognitive deficits following ischemic stroke compared to LM22A-4 alone. Additionally, administration of LM22A-4-SMB-3 reduced apoptotic cell death and glial activation, as evidenced by the TUNEL assay results, and decreased GFAP and Iba-1 expression levels. Furthermore, the phosphorylation of TrkB and Akt, but not that of Erk, was considerably increased in the LM22A-4-SMB-3-treated group. Treatment also enhanced the number of BrdU+/NeuN+ cells, with a marked reduction in post-stroke brain atrophy. These findings suggest that LM22A-4-SMB-3 can attenuate ischemic damage and recover neurological, motor, and cognitive functions by increasing p-TrkB and p-Akt levels and promoting neurogenesis. Therefore, SMB-3-mediated delivery of LM22A-4 presents a potentially applicable delivery system, and LM22A-4-SMB-3 use could be considered a novel therapeutic strategy to improve post-stroke outcomes. © 2025 The Authors

关键词： BDNF mimetic Drug delivery system Ischemic stroke LM22A-4 Smart mesoporous ball

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Real-time and label-free biosensing using moiré pattern generated by bioresponsive hydrogel

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Bioactive Materials 2023年第5期23卷 383-393页

作者： Semin Kim Geehong Kim Yong Woo Ji Chae-Eun Moon Yuna Jung Hyung Keun Lee JaeJong Lee Won-Gun Koh Department of Chemical and Biomolecular Engineering Yonsei University50 Yonsei-roSeodaemun-guSeoul120-749Republic of Korea Korea Institute of Machinery&Materials Nano-Convergence Mechanical Systems Research Division156 Gajeongbuk-roYuseong-guDaejeon34103Republic of Korea Department of Ophthalmology Yongin Severance HospitalYonsei University College of Medicine363Dongbaekjukjeon-daeroGiheung-guYongin-siGyeonggi-do16995Republic of Korea Institute of Vision Research Department of OphthalmologyYonsei University College of Medicine50-1 Yonsei-roSeodaemun-guSeoul120-749Republic of Korea Department of Ophthalmology Graduate School of Medical ScienceBrain Korea 21 ProjectYonsei University College of MedicineRepublic of Korea College of Pharmacy Yonsei University85 Songdo Hwawak-roYeonsu-guIncheon26426Republic of Korea Department of Ophthalmology Gangnam Severance HospitalYonsei University College of Medicine211 Eonju-roGangnam-guSeoul06273Republic of Korea Department of Nanomechatronics University of Science and Technology217Gajeong-roYuseong-guDaejeon 34113Republic of Korea

Bioresponsive hydrogels are smart materials that respond to various external stimuli and exhibit great potential as biosensors owing to their capability of real-time and label-free ***,we propose a sensing platform based on bioresponsive hydrogels,employing the concept of moiré *** sets of line patterns with different pitch sizes are prepared;a hydrogel grating whose pitch size changes according to external stimuli and a reference grating with constant pitch *** volume changes of the hydrogel caused by external stimuli changes the pitch size of the hydrogel grating,and subsequently,the pitch sizes of the moiré patterns(moiré signal),whose values can be obtained in a real-time and label-free manner through customized moiré microscopy and signal *** confirming that the pH-induced swelling of hydrogel could be monitored using moiré patterns,we performed moiré pattern-based detection of specific proteins using protein-responsive hydrogel that underwent shrinking via interaction with target ***-derived neurotrophic factor and platelet-derived growth factor were selected as the model proteins,and our proposed system successfully detected both proteins at nanomolar *** both cases,the pitch size change of hydrogel grating was monitored much more sensitively using moiré patterns than through direct *** changes in the moiré signals caused by target proteins were detected in ex-vivo environments using a custom-made intraocular lens incorporating the hydrogel grating,demonstrating the capability of the proposed system to detect various markers in intraocular aqueous humor,when implanted in the eye.

关键词： Bioresponsive hydrogel Moirépattern Biosensing Intraocular lens Aqueous humor

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