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Lee, In Joon,Park, Ji Yong,Kim, Young-il,Lee, Yun-Sang,Jeong, Jae Min,Kim, Jaeil,Kim, Euishin Edmund,Kang, Keon Wook,Lee, Dong Soo,Jeong, Seonji,Kim, Eun Jeong,Kim, Young Il,Chung, Jin Wook MIT PRESS 2017 MOLECULAR IMAGING Vol.16 No.-
<P>The aim of this study is to evaluate the localization of <SUP>99m</SUP>Tc-labeled dextran-coated superparamagnetic iron oxide (SPIO) nanoparticles to the liver tumor using image-based analysis. We delivered <SUP>99m</SUP>Tc-SPIO intravenously or intra-arterially (IA) with/without Lipiodol to compare the tumor localization by gamma scintigraphy, single-photon emission computed tomography (SPECT), and magnetic resonance imaging (MRI) in a rabbit liver tumor. The gamma and SPECT image-based analysis shows that the uptake ratio of the tumor to the normal liver parenchyma is highest after delivery of <SUP>99m</SUP>Tc-SPIO with Lipiodol IA and that well correlates with the trend of the signal decrease in the liver MRIs. Intra-arterial delivery of SPIO with Lipiodol might be a good drug delivery system targeting the hepatic tumors, as confirmed by image-based analysis.</P>
Toyota Motor Corporation: The Innovative Leader of the Automobile Industry
Seonji LEE,MAHAR, Anoushka,DONG, Qin Teresa Academy of Asian Business (AAB) 2018 Academy of Asian Business Review Vol.4 No.1
This case study aims to observe and analyze the decades-long journey of Toyota Motor Corporation, a Japanese multinational automobile manufacturing company. The case will be referring to and evaluating the key events, strategies and decisions that led Toyota to become a globally renowned company. The case is divided into numerous different sections, each assessing different areas of Toyota Motor Corporation. The first section is a brief rundown of the first twenty-year history of Toyota, while the rest of the case analyzes the remaining fifty years of the company. The second section comprehensively discusses the automobile market position and Toyota’s economic factors, corporate culture and its unique characteristics, while the third section will evaluate Toyota’s success factors. Furthermore, the case study will analyze Toyota’s competitors and suggest future directions for better performance. The automobile industry is known to have a huge impact on the worldwide economy and industrialization. It has long been a one of the most lucrative and globalized industries, where companies have been competing for years. However, with the acceleration of globalization, automobile industries are undergoing dramatic economic changes, upsurges in technology, and struggling to maintain efficiency. This case study reveals an updated analysis of one of the most popular automobile company’s success while acknowledging all the relevant and significant events that led to such results. This study also edifies the developing literature on automobile companies in the 21st century. In summary, this case contributes to academic research and practice as well by highlighting the Toyota’s strategies, especially during drastic, ongoing economic and political events, and how managers adapted to those circumstances to be globally successful.
Kim Seonji,Sung Ho Kyung,Lee Jeehye,Ko Eunsil,Kim Seong Jung 대한응급의학회 2024 Clinical and Experimental Emergency Medicine Vol.11 No.1
Objective: Emergency care systems worldwide have been significantly affected by the COVID-19 pandemic. This study investigated the trend of emergency department (ED) visits for emergency care–sensitive conditions (ECSCs) in Korea before and during the pandemic.Methods: We performed a longitudinal study using the national ED database in Korea from January 2019 to December 2021. We calculated the number and incidence rate (IR) of visits for ECSCs per 100,000 ED visits, and the IR ratio (IRR) of 2021 relative to the value in 2019. The selected ECSCs were intracranial injury, ischemic heart disease (IHD), stroke, and cardiac arrest.Results: The number of ED visits for all causes decreased by about 23% during the pandemic. The number of ED visits for intracranial injuries decreased from 166,695 in 2019 to 133,226 in 2020 and then increased to 145,165 in 2021. The number of ED visits for IHD and stroke decreased in 2020 but increased to 2019 levels in 2021. In contrast, the number of ED visits for cardiac arrest increased from 23,903 in 2019 to 24,344 in 2020 and to 27,027 in 2021. The IR and IRR of these four ECSCs increased from 2019 to 2021, suggesting increasing relative proportions of ECSCs in total ED visits. Conclusion: During the COVID-19 pandemic, the number of cardiac arrests seen in the EDs increased, but that of other ECSCs decreased. The decrease in ED visits for ECSCs was not as pronounced as the decrease in ED visits for all causes during the pandemic. Further studies are needed to determine clinical outcomes in patients with ECSC during the pandemic.
Yoon, Yeonyee E.,Kang, Si-Hyuck,Choi, Hong-Mi,Jeong, Seonji,Sung, Ji Min,Lee, Sang-Eun,Cho, Injeong,Cho, Goo-Yeong,Chang, Hyuk-Jae,Chun, Eun Ju Springer-Verlag 2018 EUROPEAN RADIOLOGY Vol.28 No.8
<P>aEuro cent In particular, GLS by TT-CMR had independent prognostic value in MI patients.</P>