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Detection and Molecular Characterization of Enteroviruses in Korean Surface Water by Using Integrated Cell Culture Multiplex RT-PCR

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Biomedical and Environmental Sciences 2008年第5期21卷 425-431页

作者： GYUCHEOL lee chanhee lee CHANSEUNG PARK SANGGI JEONG Water Analysis and Research Center Kwater Division of Life Sciences Chungbuk National University

Objective To identify waterborne enteric viruses in Korean surface water. Methods Integrated cell culture（ICC）multiplex reverse transcription-polymerase chain reaction （RT-PCR） was simultaneously designed to detect coxsackieviruses （CV）, polioviruses （PV）, and reoviruses （RV）. ICC-multiplex RT-PCR and phylogenetic analysis were conducted using 21 total culturable virus assay （TCVA）-positive sample-inoculated cell cultures. Results CV and RV were detected in 9 samples each, and 3 samples were positive for both CV and RV. PV was not detected in any sample. Molecular phylogenetic analysis of the VP1 gene sequences revealed that CV types B2 and B4 predominated in Korean surface water, and the nucleotide sequences of CV type B2 were clustered with those of CVs isolated from China and Japan. The results suggested that the evolution of these viruses occurred in a region-specific manner. Conclusion CV and RV are detectable in Korean surface water, with a predominance of CV type B2, and the evolution of CV type B2 occur in a region-specific manner.

关键词： ICC-multiplex RT-PCR Coxsackieviruses Molecular phylogeny

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Flash‑Induced High‑Throughput Porous Graphene via Synergistic Photo‑Effects for Electromagnetic Interference Shielding

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Nano-Micro Letters 2023年第11期15卷 1-18页

作者： Jin Soo lee Jeong‑Wook Kim Jae Hee lee Yong Koo Son Young Bin Kim Kyoohee Woo chanhee lee Il‑Doo Kim Jae Young Seok Jong Won Yu Jung Hwan Park Keon Jae lee Department of Materials Science and Engineering Korea Advanced Institute of Science and Technology(KAIST)291 Daehak‑roYuseong‑guDaejeon 34141Republic of Korea School of Electrical Engineering Korea Advanced Institute of Science and Technology(KAIST)291 Daehak‑roYuseong‑guDaejeon 34141Republic of Korea Department of Printed Electronics Nano‑Convergence Manufacturing Systems Research DivisionKorea Institute of Machinery and Materials(KIMM)156 Gajeongbuk‑RoYuseong‑GuDaejeon 34103Republic of Korea Department of Mechanical System Design Engineering Seoul National University of Science and Technology232 Gongneung‑roNowon‑guSeoul 01811Republic of Korea Department of Mechanical Engineering(Department of Aeronautics Mechanical and Electronic Convergence Engineering)Kumoh National Institute of Technology61 Daehak‑roGumiGyeongbuk 39177Republic of Korea

Porous 2D materials with high conductivity and large surface area have been proposed for potential electromagnetic interference(EMI)shielding materials in future mobility and wearable applications to prevent signal noise,transmission inaccuracy,system malfunction,and health ***,we report on the synthesis of lightweight and flexible flash-induced porous graphene(FPG)with excellent EMI shielding *** broad spectrum of pulsed flashlight induces photo-chemical and photo-thermal reactions in polyimide films,forming 5×10 cm^(2)-size porous graphene with a hollow pillar structure in a few *** resulting material demonstrated low density(0.0354 g cm^(−3))and outstanding absolute EMI shielding effectiveness of 1.12×10^(5) dB cm^(2) g^(−1).The FPG was characterized via thorough material analyses,and its mechanical durability and flexibility were confirmed by a bending cycle ***,the FPG was utilized in drone and wearable applications,showing effective EMI shielding performance for internal/external EMI in a drone radar system and reducing the specific absorption rate in the human body.

关键词： Porous graphene Flash lamp Photo-pyrolysis High-throughput Electromagnetic interference shielding

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Massive hemothorax due to intercostal arterial bleeding after percutaneous catheter removal in a multiple-trauma patient: A case report

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World Journal of Clinical Cases 2021年第32期9卷 9942-9947页

作者： chanhee Park Jeongwoo lee Department of Surgery Dongsan Medical CenterKeimyung University School of MedicineDaegu 42601South Korea Division of Trauma Surgery Department of SurgeryDongsan Medical CenterKeimyung University School of MedicineDaegu 42601South Korea

BACKGROUND Intercostal arterial bleeding is unusual complication of percutaneous chest ***,intercostal arterial bleeding is likely to result in critical complications such as abnormalities in vital signs,hypovolemic shock,and death due to massive ***,it is very important to establish the diagnosis of intercostal arterial bleeding and to initiate *** SUMMARY We report a case in which a 59-year-old woman who was hospitalized at intensive care unit with multiple trauma had a massive hemothorax after the removal of a percutaneous *** sustained a refractory right pleural effusion due to biloma caused by a traumatic injury to the liver,despite persistent intraperitoneal *** a result,atelectasis persisted in the dependent portion of the right ***,we performed right percutaneous catheter drainage(8.5-F pigtail catheter)for pleural effusion drainage at the 7th intercostal *** percutaneous catheter removal,portable chest radiography and vital signs of the patient assisted in establishing a diagnosis of intercostal arterial *** arterial bleeding was also confirmed using transarterial angiography;and embolization was *** patient’s condition progressively improved,and no further intervention was *** Massive hemothorax is a rare complication of percutaneous catheter *** should carefully examine and diagnose patients to improve *** interventional selective angiography may be a feasible and minimally invasive treatment for intercostal arterial bleeding control.

关键词： Bleeding Drainage Intercostal artery Hemothorax Pleural effusion Case report

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