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전신마취유도 중 발생한 심방세동과 회복중 발생한 발작성 상심실성 빈맥
방윤식,신동욱,이태규,박정현,길현주,이종연 이화여자대학교 의과학연구소 2012 EMJ (Ewha medical journal) Vol.35 No.2
A healthy 35-year-old man who was scheduled for closed reduction of nasal bone fracture developed atrial fibrillation during induction of general anesthesia after intravenous glycopyrrolate injection. During emergence of general anesthesia, atrial fibrillation was suddenly changed to paroxysmal supraventricular tachycardia with 200 beat per minute and lasted for about 10 seconds. Because blood pressure was stable, esmolol was used to reduce ventricular response. At recovery room, ventricular response reduction about 55 beat per minute was observed after intravenous injection of verapamil 5 mg. Thereafter, the rhythm was returned to normal sinus rhythm with bradycardia.
고등학생의 인터넷 사용정도와 학교적응, 친구관계에 대한 연구
이현주,김미연,이희재,권소영,김민정,김민주,방은혜,이경희,김수지,이자형 이화여자대학교 간호과학대학 2004 이화간호학회지 Vol.- No.38
Today, almost all families are quipped with computers. At the same time, we can find lots of side-effects because of computers. If young students, who tend to be unable to control their impulses once they are immersed in internet, the problem will be more serious. It could be happened that the young students can't distinguish the real from the image. Therefore, it is important to grasp the actual condition of juvenile Internet addicts and their practical life, and to come up with basic materials necessary for working out countermeasures. This study surveyed 339 high school students from three high schools in the area of Seoul. Data collection were collected from 22nd of December, 2003 to 27th of December 2003. The collected data were analyzed by SPSS program using T-test, ANAVA and Pearson correlation coefficient. The results were as follows: First, of the 333 respondents 9.61% of them were high-risk internet using group, 15.02% of them were potential-risk internet using group. 25% of then were identified as addicted group. Second, the more addicted the subjects are, the lower their level of school adjustment becomes. For the addicted group, it is difficult to adjust their school and to have a good relationship with friend. Third, the more addicted the subjects are, the lower their level of friendship becomes. The subordinate areas of friendship have same results as the level of Internet addiction and the extent of friendship. If students are addicted to Internet, it is difficult to find friends who can give them encouragement in practical life. Firth, there was a negative relationship between Internet addiction and school adjustment, and, there was a negative relationship between Internet addiction and friendship. Through this study we have seized the relationship between Internet addiction and school adjustment and friendship. As a result, the more addicted, the more difficult to adjust to school. And for the students who were addicted, it is difficult to make a friend.
( Hyun Ju Ju ),( Jun-hyoung Bang ),( Jong-wook Chung ),( Tae Kyung Hyun ) 한국응용생명화학회(구 한국농화학회) 2021 Journal of Applied Biological Chemistry (J. Appl. Vol.64 No.2
Perilla frutescens var. crispa (Pfc), a herb belonging to the mint family (Lamiaceae), has been used for medicinal and aromatic purposes. In the present study, we analyzed the variation in the chemical composition of essential oils (EOs) obtained from five different genotypes of Pfc collected from different regions. Based on principal component analysis (PCA) and hierarchical cluster analysis (HCA), we identified three groups: PA type containing perillaldehyde, PP type containing dillapiole, and 2- acetylfuran type. To assess the correlation between EO components and antimicrobial activities, we compared classification results generated by PCA and HCA based on antimicrobial activity values. The findings suggested that the major compounds obtained from EOs of Pfc are responsible for their antimicrobial activities. Chemotypes of Pfc plants are essentially qualitative traits that are important for breeders. The present findings provide potential information for breeding Pfc as an antimicrobial agent.
Ju Young Son,Jung Hyun Jo,Jin Choi,Bang-Yeop Kim,Joh-Na Yoon,Hong-Suh Yim,Young-Jun Choi,Sun-Youp Park,Young Ho Bae,Young Ho Bae,Dong-Goo Roh,Jang-Hyun Park,Ji-Hye Kim 한국우주과학회 2015 Journal of Astronomy and Space Sciences Vol.32 No.3
We estimated the orbit of the Communication, Ocean and Meteorological Satellite (COMS), a Geostationary Earth Orbit (GEO) satellite, through data from actual optical observations using telescopes at the Sobaeksan Optical Astronomy Observatory (SOAO) of the Korea Astronomy and Space Science Institute (KASI), Optical Wide field Patrol (OWL) at KASI, and the Chungbuk National University Observatory (CNUO) from August 1, 2014, to January 13, 2015. The astrometric data of the satellite were extracted from the World Coordinate System (WCS) in the obtained images, and geometrically distorted errors were corrected. To handle the optically observed data, corrections were made for the observation time, light-travel time delay, shutter speed delay, and aberration. For final product, the sequential filter within the Orbit Determination Tool Kit (ODTK) was used for orbit estimation based on the results of optical observation. In addition, a comparative analysis was conducted between the precise orbit from the ephemeris of the COMS maintained by the satellite operator and the results of orbit estimation using optical observation. The orbits estimated in simulation agree with those estimated with actual optical observation data. The error in the results using optical observation data decreased with increasing number of observatories. Our results are useful for optimizing observation data for orbit estimation.
Hyun-Ju Kim(Hyun-Ju Kim),Minji Bang(Minji Bang),Chun Il Park(Chun Il Park),Chongwon Pae(Chongwon Pae),Sang-Hyuk Lee(Sang-Hyuk Lee) 대한신경정신의학회 2023 PSYCHIATRY INVESTIGATION Vol.20 No.3
Objective Mental health problems such as anxiety, panic, and depression have been exacerbated by the coronavirus disease-2019 (COVID-19). This study aimed to compare the symptom severities and overall function before and during the COVID-19 pandemic among patients with panic disorder (PD) seeking treatment compared to healthy controls (HCs). Methods Baseline data were collected from the two groups (patients with PD and HCs) in two separate periods: before COVID-19 (Jan 2016-Dec 2019) and during COVID-19 (Mar 2020-Jul 2022). A total 453 participants (before COVID-19: 246 [139 patients with PD and 107 HCs], during COVID-19: 207 [86 patients with PD and 121 HCs]) was included. Scales for panic and depressive symptoms and overall function were administered. Additionally, network analyses were performed to compare the two groups within the patients with PD. Results The results of two-way analysis of variance analyses showed that patients with PD enrolled during COVID-19 showed higher levels of interoceptive fear and lower overall functioning. In addition, a network comparison test revealed that a significantly high strength and expected influence for agoraphobia and avoidance in patients with PD during COVID-19. Conclusion This study suggested that the overall function could have worsened, and the importance of agoraphobia and avoidance as a central symptom may have increased in patients with PD seeking treatment during COVID-19.
방현주(Bang, Hyun-Ju),최상헌(Choi, Sang-Hun) 한국실내디자인학회 2011 한국실내디자인학회 학술대회논문집 Vol.13 No.1
As a demand of indoor health and comfort according to nation-wide social transition and enhancement of customers’ level of consciousness is growing, environmental-friendly housing comes to settling down not as a choice but as a necessary element. Building materials which have been used until now lack specifications of definition & establishment of eco-friendly elements. Therefore, this research aims to examine the changes and current situation of proper environmental-friendly materials & functional interior materials and to provide continuous development of related companies and diverse range applicable remedies. Also, the popularization of indoor finishing materials of clean health house is likely to proceed, in my opinion, favorably as customers’ awareness is getting stable as much as they accept a rise in price due to the use of environmental-friendly materials along with quantitative eco-friendly performance evaluation to exploit the use of these products.
Ji-Hyun Bang,Hyun-Ok Ku,Byung-Suk Jeon,Nam-Ju Kim,Moon Her,Hee Yi 한국실험동물학회 2021 한국실험동물학회 학술발표대회 논문집 Vol.2021 No.7
The adenocarcinomic human alveolar basal epithelial cells (A549) are commonly used for in vitro cell models of respiratory toxicity. In this study, we intended to establish in vitro culture models for respiratory toxicity testing by comparing air-liquid interface (ALI) conditions of A549 cells with liquid-liquid interface (LLI). A549 cells were seeded at 1*10^5 cells/well in an apical compartment of 12 well insert (Greiner Bio-one). Culture medium was added to the basolateral compartment and was replaced every 2-3 days in contact with cells for nutrient supply via the membrane. The medium was added only to the basolateral compartment in ALI culture condition while it was added to both apical and basolateral part in LLI culture method. During the culturing periods, A549 cells in ALI condition formed into multilayered epithelium with time, while the cells grown in LLI conditions formed into simple squamous epithelium over time. Because A549 cell is composed of basal epithelial cells, ciliated epithelial cells was not identified in this study during the 4 weeks of culturing period. Instead, epithelial specific morphology was well identified by hematoxylin and eosin staining after 4 weeks of culturing. Since cell culture interfaces and culture period affect cell formation, culture conditions need to be further optimized for in vitro respiratory toxicity test models.
MLVA Genotyping of Brucella abortus isolated from cattle in Korea
Jin-Ju Lee(Jin-Ju Lee),Eun-Ji Yum(Eun-Ji Yum),Eun-Ji Park(Eun-Ji Park),Min-Kyeong Kim(Min-Kyeong Kim),Min-Hoe Lee(Min-Hoe Lee),So-Ra Sung(So-Ra Sung),Hee-Soo Lee(Hee-Soo Lee),Bang-Hun Hyun(Bang-Hun Hy 한국예방수의학회 2019 한국예방수의학회 학술대회자료집 Vol.2018 No.-