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Multifunctional MXene/Carbon Nanotube Janus Film for Electromagnetic Shielding and Infrared Shielding/Detection in Harsh Environments

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Nano-Micro Letters 2024年第10期16卷 543-560页

作者： Tufail Hassan Aamir Iqbal Byungkwon yoo Jun Young jo Nilufer Cakmakci Shabbir Madad Naqvi Hyerim Kim Sungmin Jung Noushad Hussain Ujala Zafar Soo Yeong Cho Seunghwan Jeong Jaewoo Kim Jung Min Oh sangwoon Park Youngjin Jeong Chong Min Koo School of Advanced Materials Science and Engineering Sungkyunkwan UniversitySeobu-ro 2066Jangan-guSuwon-siGyeonggi-do 16419Republic of Korea Department of Materials Science and Engineering Soongsil UniversitySeoul 06978Republic of Korea Institute of Advanced Composite Materials Korea Institute of Science and Technology92 Chudong-roBongdong-eupWanju-gunJeollabuk-do 55324Republic of Korea R&D Center INNOMXENE Co. Ltd.Daejeon 34365Republic of Korea School of Chemical Engineering Sungkyunkwan UniversitySeobu-ro 2066Jangan-guSuwon-siGyeonggi-do 16419Republic of Korea

Multifunctional,flexible,and robust thin films capable of operating in demanding harsh temperature environments are crucial for various cutting-edge *** study presents a multifunctional Janus film integrating highly-crystalline Ti_(3)C_(2)T_(x) MXene and mechanically-robust carbon nanotube(CNT)film through strong hydrogen *** hybrid film not only exhibits high electrical conductivity(4250 S cm^(-1)),but also demonstrates robust mechanical strength and durability in both extremely low and high temperature environments,showing exceptional resistance to thermal *** hybrid Janus film of 15μm thickness reveals remarkable multifunctionality,including efficient electromagnetic shielding effectiveness of 72 dB in X band frequency range,excellent infrared(IR)shielding capability with an average emissivity of 0.09(a minimal value of 0.02),superior thermal camouflage performance over a wide temperature range(−1 to 300℃)achieving a notable reduction in the radiated temperature by 243℃ against a background temperature of 300℃,and outstanding IR detection capability characterized by a 44%increase in resistance when exposed to 250 W IR *** multifunctional MXene/CNT Janus film offers a feasible solution for electromagnetic shielding and IR shielding/detection under challenging conditions.

关键词： MXene/carbon nanotube Janus film Electromagnetic interference shielding Infrared shielding Thermal camouflage Infrared detection

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Rapid species identification of pathogenic bacteria from a minute quantity exploiting three-dimensional quantitative phase imaging and artificial neural network

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Light(Science & Applications) 2022年第7期11卷 1595-1606页

作者： Geon Kim Daewoong Ahn Minhee Kang Jinho Park DongHun Ryu YoungJu jo Jinyeop Song Jea Sung Ryu Gunho Choi Hyun Jung Chung Kyuseok Kim Doo Ryeon Chung In Young yoo Hee Jae Huh Hyun-seok Min Nam Yong Lee YongKeun Park Department of Physics Korea Advanced Institute of Science and TechnologyDaejeon 34141Republic of Korea KAIST Institute for Health Science and Technology KAISTDaejeon 34141Republic of Korea Tomocube Inc. Daejeon 34109Republic of Korea Smart Healthcare&Device Research Center Samsung Medical CenterSungkyunkwan University School of MedicineSeoul 06351Republic of Korea Graduate School of Nanoscience and Technology Korea Advanced Institute of Science and TechnologyDaejeon 34141Republic of Korea Department of Biological Sciences Korea Advanced Institute of Science and TechnologyDaejeon 34141Republic of Korea Department of Emergency Medicine Bundang CHA HospitalSeongnam-siGyeonggi-Do 13496Korea Division of Infectious Diseases Department of Internal MedicineSamsung Medical CenterSungkyunkwan University School of MedicineSeoul 06351Republic of Korea Department of Laboratory Medicine Seoul St.Mary's HospitalCollege of MedicineThe Catholic University of KoreaSeoul 06591Republic of Korea Department of Laboratory Medicine and Genetics Samsung Medical CenterSungkyunkwan University School of MedicineSeoul 06351Republic of Korea Department of Applied Physics Stanford UniversityStanfordCA 94305USA Department of Physics Massachusetts Institute of TechnologyCambridgeMA 02139USA

The healthcare industry is in dire need of rapid microbial identification techniques for treating microbial *** infections are a major healthcare issue worldwide,as these widespread diseases often develop into deadly *** studies have shown that an early appropriate antibiotic treatment significantly reduces the mortality of an infection,this effective treatment is difficult to *** main obstacle to early appropriate antibiotic treatments is the long turnaround time of the routine microbial identification,which includes time-consuming sample ***,we propose a microscopy-based framework that identifies the pathogen from single to few *** framework obtains and exploits the morphology of the limited sample by incorporating three-dimensional quantitative phase imaging and an artificial neural *** demonstrate the identification of 19 bacterial species that cause bloodstream infections,achieving an accuracy of 82.5%from an individual bacterial cell or *** performance,comparable to that of the gold standard mass spectroscopy under a sufficient amount of sample,underpins the effectiveness of our framework in clinical ***,our accuracy increases with multiple measurements,reaching 99.9%with seven different measurements of cells or *** believe that our framework can serve as a beneficial advisory tool for clinicians during the initial treatment of infections.

关键词： artificial neural exploit

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Environmental Characterization of Periphyton Community

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journal of Ocean University of China 2006年第4期5卷 305-310页

作者： Y. M. jo J. M. Oh J.G.yoo Department of Environmental Science & Engineering Center for Environmental Studies Kyunghee University Kyunggido 449-701 Kore Department of Chemical Engineering Hanseo University Chungcheongnamdo Korea

The present paper deals with the behavior of the Attached Microbial Community (AMC) for water self-purification at different riverbeds in a typical local river. The study quantitatively investigated the problem starting with in-situ sampling. It was found that more biomass of AMC was at riffles with wider distribution than in pools. High current velocity (HCV) plays a negative role at the initial stage of attachment on the riverbed, but HCV aids the community proliferation after stable attachment. External disturbances such as rainfalls and discharges from dams or reservoirs would detach the periphyton depending on the intensity of turbulence in water. However, it was discovered that the flock of periphyton could be restored very quickly because it was not completely removed. Thus, in order to enhance self-purification by periphyton, a suitable configuration of the riverbed must be constructed, and occasional appropriate repair along the channels would improve the decontamination of the river.

关键词： periphyton riffle pool riverbed self-purification

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Assessing the impact of meteorological factors on malaria patients in demilitarized zones in Republic of Korea

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Infectious Diseases of Poverty 2016年第1期5卷 180-191页

作者： Se-Min Hwang Seok-joon yoon yoo-Mi Jung Geun-Yong Kwon Soo-Nam jo Eun-Jeong Jang Myoung-Ok Kwon Korea Human Resource Development Institute for Health&Welfare OsongRepublic of Korea Department of Preventive Medicine College of MedicineKorea UniversitySeoulRepublic of Korea Department of Preventive Medicine Armed Forces Medical CommandSeongnamRepublic of Korea Department of Health Policy and Hospital Management Graduate School of Public HealthKorea University73 Inchon-ro.Seongbuk-GuSeoul 136-705Republic of Korea Korea Armed Forces Nursing Academy 90 Jaun-roYuseong-guDaejeon 305-153Republic of Korea Korean Centers for Disease Control and Prevention OsongRepublic of Korea

Background:The trend of military patients becoming infected with vivax malaria reemerged in the Republic of Korea(ROK)in *** common explanation has been that infective Anopheles mosquitoes from the Democratic People’s Republic of Korea have invaded Republic of Korea’s demilitarized zone(DMZ).The aim of this study was to verify the relationship between meteorological factors and the number of malaria patients in the military in this ***:The authors estimated the effects of meteorological factors on vivax malaria patients from the military based on the monthly number of malaria cases between 2006 and ***,precipitation,snow depth,wind velocity,relative humidity,duration of sunshine,and cloud cover were selected as the meteorological factors to be studied.A systematic pattern in the spatial distribution of malaria cases was assessed using the Moran’s *** causality tests and cross-correlation coefficients were used to evaluate the relationship between meteorological factors and malaria patients in the ***:Spatial analysis revealed significant clusters of malaria patients in the military in Republic of Korea in 2011(Moran’s I=0.136,p-value=0.026).In the six years investigated,the number of malaria patients in the military in Paju decreased,but the number of malaria patients in the military in Hwacheon and Chuncheon *** average,maximum and minimum temperatures;wind velocity;and relative humidity were found to be predicting factors of malaria in patients in the military in *** contrast,wind velocity alone was not able to predict malaria in Hwacheon and Chuncheon,however,precipitation and cloud cover were able to predict malaria in Hwacheon and ***:This study demonstrated that the number of malaria patients in the military is correlated with meteorological *** variation in occurrence of malaria cases was principally attributed to differences in meteorological factors by regions of

关键词： Malaria Plasmodium vivax Meteorological factors

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