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The Evolving Policy Debate on Border Closure in Korea
Su-Jin Kang,Jihyun Moon,Heewon Kang,Heekyoung Nam,Sangwoo Tak,Sung-Il Cho 대한예방의학회 2020 Journal of Preventive Medicine and Public Health Vol.53 No.5
302 Copyright © 2020 The Korean Society for Preventive Medicine J Prev Med Public Health 2020;53:302-306 • https://doi.org/10.3961/jpmph.20.213 The Evolving Policy Debate on Border Closure in Korea SuJin Kang1, Jihyun Moon2, Heewon Kang1, Heekyoung Nam3, Sangwoo Tak1, Sung-il Cho1,3 1Institute of Health and Environment, Seoul National University, Seoul, Korea; 2Samsung Advanced Institute of Health Science and Technology, Sungkyunkwan University, Seoul, Korea; 3Department of Public Health Sciences, Graduate School of Public Health, Seoul National University, Seoul, Korea Brief Report Objectives: In this paper, we aimed to investigate the evolving debate over border closure in Korea during the coronavirus disease 2019 (COVID-19) pandemic, to address the main themes associated with border closure, and to discuss the factors that need to be considered when making such decisions. Methods: We collated and reviewed previously conducted review studies on border closures during infectious disease outbreaks to derive relevant themes and factors. Results: According to our systematic review on border closures and travel restrictions, the effects of such containment efforts are limited. We suggest considering the following factors when determining whether to impose border closure measures: (1) disease characteristics, (2) timeliness of implementation, (3) transmission delay and the basic reproduction number, (4) globalization and pandemics, and (5) social and economic costs. Conclusions: Our assessment indicates that the effects of border closures are at best temporary and limited. Alternative measures must be contemplated and implemented to suppress the spread of COVID-19 in particular and infectious diseases more broadly.
Perspectives on immune checkpoint ligands: expression, regulation, and clinical implications
( Jihyun Moon ),( Yoo Min Oh ),( Sang-jun Ha ) 생화학분자생물학회 2021 BMB Reports Vol.54 No.8
In the tumor microenvironment, immune checkpoint ligands (ICLs) must be expressed in order to trigger the inhibitory signal via immune checkpoint receptors (ICRs). Although ICL expression frequently occurs in a manner intrinsic to tumor cells, extrinsic factors derived from the tumor microenvironment can fine-tune ICL expression by tumor cells or prompt non-tumor cells, including immune cells. Considering the extensive interaction between T cells and other immune cells within the tumor microenvironment, ICL expression on immune cells can be as significant as that of ICLs on tumor cells in promoting antitumor immune responses. Here, we introduce various regulators known to induce or suppress ICL expression in either tumor cells or immune cells, and concise mechanisms relevant to their induction. Finally, we focus on the clinical significance of understanding the mechanisms of ICLs for an optimized immunotherapy for individual cancer patients. [BMB Reports 2021; 54(8): 403-412]
( Jihyun Moon ),( Yuri Cho ),( Hoonyol Lee ) 대한원격탐사학회 2021 大韓遠隔探査學會誌 Vol.37 No.1
This study measures the change of ice flow velocity of David Glacier, one of the fast-moving glaciers in East Antarctica that drains through Drygalski Ice Tongue. In order to effectively observe the rapid flow velocity, we applied the offset tracking technique to Sentinel-1A SAR images obtained from 2016 to 2020 with 36-day temporal baseline. The resulting velocity maps were averaged and the two relatively fast points (A1 and A2) were selected for further time-series analysis. The flow velocity increased during the Antarctic summer (around December to March) over the four years’ observation period probably due to the ice surface melting and reduced friction on the ice bottom. Bedmap2 showed that the fast flow velocities at A1 and A2 are associated with a sharp decrease in the ice surface and bottom elevation so that ice volumetric cross-section narrows down and the crevasses are being created on the ice surface. The local maxima in standard deviation of ice velocity, S1 and S2, showed random temporal fluctuation due to the rotational ice swirls causing error in offset tracking method. It is suggested that more robust offset tracking method is necessary to incorporate rotational motion.
Cu<SUB>2</SUB>ZnSnSe<SUB>4</SUB> 박막 태양전지 내 전류 차단층이 미치는 영향에 대한 전기적 특성 분석
문지현(Jihyun Moon),최혜림(Hye Rim Choi),곽지혜(Jihye Gwak),김기환(Kihwan Kim),윤재호(Jae Ho Yun),조아라(Ara Cho),어영주(Young Ju Eo),조준식(Jun-Sik Cho),안세진(SeJin Ahn),박주형(Joo Hyung Park),유진수(Jin Su Yoo),남다현(Dahyun Nam),정현식 한국신재생에너지학회 2017 한국신재생에너지학회 학술대회논문집 Vol.2017 No.9
디지털 파라코즘의 모방 세대, 영유아 영상 미디어에서 나타나는 스토리텔링에 의한 미디어 복제 프로세스와 표현 특성에 관한 연구
문지현(Jihyun Moon) 한국IT서비스학회 2020 한국IT서비스학회 학술대회 논문집 Vol.2020 No.1
밀레니얼 세대의 자녀 모모세대 영유아는 태어나면서부터 스마트 모바일을 접하고 이는 일상에서 놀이, 학습을 위한 디지털 공간이 되었다. 영유아 신체, 언어 발달이 미숙하지만, 일찍부터 모바일 환경에 노출이 되어 자극적인 콘텐츠에 접하게 된다. 이들에게서 보여지는 영상 미디어 플랫폼에서의 콘텐츠 소비 행태와 유아들을 위한 모바일 접근성의 실태를 조사하고, 국내외적으로 커져가는 키즈 콘텐츠 사업이 앞으로 유아의 전인적, 창의적인 발달을 위해서 고려해야할 디자인 설계를 UI(User Interface)와 미디어 플랫폼의 플라톤과 Ricouer(1983)의 미메시스(mimesis) 이론을 통해 미디어 문화의 생태학적 분석을 도출하고자 한다. 영유아 시기에 중요한 상상 놀이, 파라코즘의 현상을 디지털 영상 콘텐츠를 소비하는 플랫폼과 (뉴미디어 환경에서의) 영유아 놀이 활동의 관계에서 살펴보고, 쉽게 노출된 미디어 영상들의 반복, 재생되는 미디어 문화 특성을 규명하고자 한다.
러시아 국민들의 국가자긍심 결정요인 연구: 우파 권위주의 성향을 중심으로
문지현(Moon, JiHyun),하상응(Ha, Shang Eung) 한국슬라브유라시아학회 2023 슬라브학보 Vol.38 No.4
This study examines the relationship between right-wing authoritarianism (RWA) and national pride among Russian citizens. Despite the war initiated by Russian President Putin with the sudden invasion of Ukraine, Russian citizens continue to support him. This study aims at explaining a high level of public support for Putin and the war, which may be a function of a deeply-seated psychological factor, i.e., right-wing authoritarianism of Russian citizens. The results reveal that after controlling for a variety of covariates, right-wing authoritarianism is positively associated with national pride. The present study implies that right-wing authoritarianism at the level of individual is correlated with national pride even in an authoritarian country, and therefore the rise of populism and authoritarian democracy can be explained by examining how authoritarian personality is activated and some of the citizens prone to right-wing authoritarianism are politically mobilized.