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Cerebral and pulmonary embolisms after transcatheter arterial chemoembolization for hepatocellular carcinoma

World Journal of Gastroenterology 2008年第30期14卷 4834-4837页

作者： Chang Soo Choi Ki Hoon Kim Geom Seog Seo Eun Young Cho Hyo Jeong Oh Suck Chei Choi Tae Hyeon Kim Haak Cheoul Kim byung suk roh Department of Internal Medicine and Digestive Disease Research Institute Wonkwang University School of Medicine Department of Radiology Wonkwang University School of Medicine

A cerebral lipiodol embolism is an extremely rare complication of transcatheter arterial chemoem bolization for hepatocellular carcinoma. We present a case of cerebral lipiodol embolism that occurred afte the third ar... 详细信息

关键词：肝细胞癌脑栓塞转导管动脉化学栓塞并发症

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Novel Architecture of OneM2M-Based Convergence Platform for Mixed Reality and IoT

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Computers, Materials & Continua 2022年第4期71卷 51-69页

作者： Seungwoon Lee Woogeun Kil Byeong-hee roh SJ Kim Jin-suk Kang Department of Computer Engineering and Department of AI Convergence Network Ajou UniversitySuwon16499Korea Howard R.Hughes College of Engineering University of NevadaLas VegasNV89154USA AST Co.Ltd. Suwon16681Korea

There have been numerous works proposed to merge augmented reality/mixed reality(AR/MR)and Internet of Things(IoT)in various ***,they have focused on their specific target applications and have limitations on interoperability or reusability when utilizing them to different domains or adding other devices to the *** paper proposes a novel architecture of a convergence platform for AR/MR and IoT systems and *** proposed architecture adopts the oneM2M IoT standard as the basic framework that converges AR/MR and IoT systems and enables the development of application services used in general-purpose environments without being subordinate to specific systems,domains,and device *** implement the proposed architecture utilizing the open-source oneM2M-based IoT server and device platforms released by the open alliance for IoT standards(OCEAN)and Microsoft HoloLens as an MR device *** also suggest and demonstrate the practical use cases and discuss the advantages of the proposed architecture.

关键词： Internet of things(IoT) augmented realty(AR) mixed reality(MR) microsoft HoloLens oneM2M convergence platform

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Controlled oxidation of Ni for stress-free hole transport layer of large-scale perovskite solar cells

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Nano Research 2019年第12期12卷 3089-3094页

作者： Seongha Lee Hee-suk roh Gill Sang Han Jung-Kun Lee Department of Mechanical Engineering and Materials Science University of PittsburghPennsylvania 15261USA School of Advanced Materials Science and Engineering Sungkyunkwan UniversitySuwon 16419Republic of Korea

The effect of the residual thermal stress of NiO films on the performance of an inverted type perovskite solar cell was *** this study,NiO films were grown on fluorine dopedtin oxide(FTO)substrates of different surface roughness by thermally oxidizing Ni film and weretested as a hole transport layer for large-scale perovskite solar *** and simulation results show that it is very important tosuppress the appearance of the residual stress at the NiO-FTO in terface during the oxidation of the Ni film for effective hole extracti *** Ni oxidation on the flat FTO film produced in-plane compressive stress in the NiO film due to the Ni film volume *** led to theformation of defects including small *** residual stress and defects in creased leakage curre nt through the NiO film,preve ntingholes from being selectively collected at the NiO-perovskite ***,when Ni was deposited and oxidized on the rough surface,the residual stress of the NiO film was negligible and its inhere nt high resistance was ***-free NiO film is an excelle nt holetransport layer that stops the photogenerated electrons of the perovskite layer from moving to *** improvements in the structural andelectrical qualities of the NiO film by engirteering the residual stress reduce the carrier recombination and increase the power conversi onefficiency of the perovskite solar cells to 16.37%.

关键词： nickel oxidation surface roughness residual stress perovskite solar cells large scale processing

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Γ-Aminobutyric acid promotes methionine-choline deficient diet-induced nonalcoholic steatohepatitis

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The Journal of Biomedical Research 2017年第1期31卷 65-73页

作者： Yoon Seok roh Ara Cho Zixiong Zhou Hyuneui Jeong Jeong-Eun Park Youn-Soo Cha suk-Heung Oh Chae-Woong Lim Bumseok Kim Biosafety Research Institute and Laboratory of Pathology College of Veterinary Medicine Chonbuk National University lksan-si Jeollabuk-do 54596 Republic of Korea Department of Food Science and Human Nutrition Fermented Food Research Center Chonbuk National University Jeonju-si Jeollabuk-do 54896 Republic of Korea Department of Food & Biotechnology Woosuk University Jeonju 565701 Republic of Kore Animal Disease & Biosecurity Team National Institute of Animal Science Rural Development Administration Wanjugun 55365 Republic of Korea

Nonalcoholic steatohepatitis（NASH） is one of the most common liver diseases and a major cause of liver fibrosis worldwide.r-Aminobutyric acid（GABA） is one of the most abundant inhibitory neurotransmitters in the central nervous ***,it has been reported that GABAergic signaling pathways are found in various non-neuronal tissues including the immune system and play a functional *** the present study,we investigated whether administration of GABA has effects on NASH through its immunomodulatory *** test this hypothesis,C57BL/6 mice were fed a methionine-choline-deficient（MCD） diet for 8 *** four weeks into MCD feeding,mice were provided with plain water（control） or water containing 2 mg/mL of GABA for the subsequent 4 *** this MCD diet-induced NASH model,we found that mice receiving GABA showed more severe steatohepatitis and liver fibrosis than control *** increased liver damage was confirmed by higher levels of serum alanine transaminase（ALT） and aspartate aminotransferase（AST） compared to the control *** accordance with increased liver steatohepatitis,NASH-related and inflammatory gene expression（collagen al,tissue inhibitor of metalloproteinase-1,TNF-α） in the liver was markedly increased in GABA-treated ***,GABA directly enhanced production of inflammatory cytokines including IL-6 and TNF-α in LPS activated RAW macrophage cells and increased TIB-73 hepatocyte *** effects were abolished when GABA was treated with bicuculline,a competitive antagonist of GABA *** results suggest that oral administration of GABA may be involved in changes of the liver immune milieu and conferred detrimental effects on NASH progression.

关键词： Γ-Aminobutyric acid nonalcoholic steatohepatitis methionine-choline-deficient diet mice GABA

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