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Yoo Eun-Hyung,Chang Soon Hee,Song Do-Young,Lee Chae Hoon,Cheong Gyu Young,Park Sunggyun,Lee Jae Hee,Lee Sooin,Kwak Sang-Gyu,Jeon Chang-Ho,Song Kyung Eun 대한진단검사의학회 2022 Annals of Laboratory Medicine Vol.42 No.1
Background: Laboratory parameter abnormalities are commonly observed in COVID-19 patients; however, their clinical significance remains controversial. We assessed the prevalence, characteristics, and clinical impact of laboratory parameters in COVID-19 patients hospitalized in Daegu, Korea. Methods: We investigated the clinical and laboratory parameters of 1,952 COVID-19 patients on admission in nine hospitals in Daegu, Korea. The average patient age was 58.1 years, and 700 (35.9%) patients were men. The patients were classified into mild (N=1,612), moderate (N=294), and severe (N=46) disease groups based on clinical severity scores. We used chi-square test, multiple comparison analysis, and multinomial logistic regression to evaluate the correlation between laboratory parameters and disease severity. Results: Laboratory parameters on admission in the three disease groups were significantly different in terms of hematologic (Hb, Hct, white blood cell count, lymphocyte%, and platelet count), coagulation (prothrombin time and activated partial thromboplastin time), biochemical (albumin, aspartate aminotransferase, alanine aminotransferase, lactate, blood urea nitrogen, creatinine, and electrolytes), inflammatory (C-reactive protein and procalcitonin), cardiac (creatinine kinase MB isoenzyme and troponin I), and molecular virologic (Ct value of SARS-CoV-2 RdRP gene) parameters. Relative lymphopenia, prothrombin time prolongation, and hypoalbuminemia were significant indicators of COVID-19 severity. Patients with both hypoalbuminemia and lymphopenia had a higher risk of severe COVID-19. Conclusions: Laboratory parameter abnormalities on admission are common, are significantly associated with clinical severity, and can serve as independent predictors of COVID-19 severity. Monitoring the laboratory parameters, including albumin and lymphocyte count, is crucial for timely treatment of COVID-19.
게슈탈트 모래놀이치료 집단상담이 대학생의 대인관계능력 및 자존감에 미치는 효과
유채은 ( Chae Eun Yoo ) 한국게슈탈트상담심리학회 2019 한국게슈탈트상담연구 Vol.9 No.1
본 연구는 게슈탈트 모래놀이치료 집단상담이 대학생의 대인관계능력과 자존감에 미치는 효과를 밝히는데 목적이 있다. 연구대상은 부산시 소재 D대학교에 재학생 중 집단상담에 참가를 희망하는 학생 20명이다. 이들은 실험집단 10명과 통제집단 10명으로 무선배치되었다. 실험집단은 주 1회, 매회 120분, 총 10주 동안 게슈탈트 모래놀이치료 집단상담에 참가하였다. 집단상담의 효과를 검증하기 위하여 측정도구는 대인관계능력척도와 자존감척도를 사용하였고, t-검증을 실시하였다. 본 연구의 결과는 다음과 같다. 첫째, 게슈탈트 모래놀이치료 집단 상담은 대학생의 대인관계능력 향상에 유의미한 효과가 있었다. 실험집단은 통제집단에 비해 만족감, 감정이해, 의사소통, 개방성의 대인관계능력 하위척도에서 유의미한 차이가 나타났다. 둘째, 게슈탈트 모래놀이치료 집단상담은 대학생의 자존감 향상에 유의미한 효과가 있었다. 결론적으로 게슈탈트 모래놀이치료 집단상담은 대학생의 대인관계능력 및 자존감 향상에 효과적이었음을 보여주었다. 본 연구는 상담영역에서 게슈탈트 모래놀이치료 집단상담의 활용 가능성을 제안하였다는 점에서 의의를 지닌다. The purpose of this study is to investigate effects of Gestalt Sandplaytherapy Group Counseling on college students' interpersonal relation skills and self-esteem. For the purpose, this researcher surveyed 22 college students of D university. They were randomly allocated to experimental and control groups each of which consisted of 10 members. Measurement devices used to verify hypotheses made here were Interpersonal Relation Skills Test and Self-Esteem Test. After these tests, the group counseling was applied over 10 sessions, with 1 session a week and 120 minutes per session based. To verify effects of the Gestalt Sandplaytherapy group counseling on those college students' interpersonal relation skills and self-esteem, further, mean and standard deviation values were calculated with scores from pre- and post-tests in accordance with hypotheses proposed here. Then, t-test was carried out to determine the significance of mean difference between the two groups. Results of the study can be described as follows. First, the group who participated in Gestalt Sandplaytherapy Group Counseling was significantly higher in score for interpersonal relation skills than the other group who didn't. Second, the group who participated in Gestalt Sandplaytherapy Group Counseling was significantly higher in score for general skills as a sub-area of self-esteem than the other group who didn't.
총설 : 담수 및 해양생태계에서 나노물질의 먹이사슬전이 연구추세
채유은 ( Yoo Eun Chae ),안윤주 ( Youn Joo An ) 한국물환경학회(구 한국수질보전학회) 2014 한국물환경학회지 Vol.30 No.6
Nanomaterials are used in a range of fields, including industry, medicine, aerospace, and manufacturing, due to their unique and useful properties. In recent years, nanotechnology has developed rapidly, and the amount of nanomaterials used in various fields has increased consistently. As a result, nanomaterials are released into the aquatic and soil ecosystem, posing potential risks to organisms and environment. These materials can enter the cells and may cause serious damage to organisms. Furthermore, they can be transferred through trophic levels and food web, thereby leading to bioconcentration and biomagnification. In this study, we analyzed the trends in research on food chain transfer of nanomaterials and investigated the techniques used in the research. Although many studies have been underway, there is a need for further advanced studies on higher trophic levels and complex microcosm and mesocosm. Furthermore, study topics should be expanded to include various types of nanomaterials and varied species and trophic levels
The Inhibition Effects of Cetylpyridinium Chloride in Dentifrices on Plaque Formation: Clinical Test
Chang-Seon Yoo,Sang-Kyun Chae,Hyun-Gee Lee,Chan-Ho Kim,Dae-Kyeong Kim,Wang-Gi Kim,Ki-Eun Kim,Hyo-Kwang Ahn,Ji-Eun Kim,Yoon-Jong Oh,Su-Min Yoo,Geum-Sun Ahn,Kyung-Suk Hwang,Ha-Jeong Kwon,Yong Duk Park 대한예방치과학회 2014 International Journal of Clinical Preventive Denti Vol.10 No.1
Objective: Various kinds of anti-plaque agents are mixed to dentifrices in order to prevent oral diseases. This study is to evaluate the efficacy on plaque index and safety of dentifrice containing cetylpyridinium chloride by in vitro test and clinical test. Methods: Streptococcus mutans (KCTC3065) was incubated for 24 hours. After mucin treatment of hydroxyapatite disks, optical density measurement was performed at 590 nm to compare anti-plaque effects. Clinical tests was performed by double blind test after using control dentifrice for 2 weeks and setting baseline to 40 of Korean adults. The oral hygiene index was investigated during the use of control and experimental dentifrices samples twice-daily for 12 weeks. Results: In vitro test showed the anti-plaque efficacy of experimental group was significantly increased 54.3% than control group (p<0.05). In addition, in vivo test shows the O’Leary plaque index of experimental group were improved 53.6% than control group (p<0.05), and the persons’ effect ratio was 80.0% (p<0.05). Conclusion: Cetylpyridinium chloride in dentifrice significantly inhibited the growth of dental plaque and advanced the oral hygiene index.
Eun-Jung Cho,Shin-Ae Chae,Jun-won Heo,Mi-Hyun No,Su-Zi Yoo,Dong-Ho Park,Ju-Hee Kang,Hyo-Bum Kwak 한국운동재활학회 2018 한국운동재활학회 학술대회 Vol.2018 No.10
The purpose of this study was to determine the effects of combined exercise training on body composition, physical fitness, and blood lipids in middle-aged obese women. Twenty-one middle-aged obese women (age, 55.28 ± 5.95; body fat percentage, 36.88 ± 4.29) were recruited and conducted combined exercise training for 12 weeks. To determine the effects of combined exercise training, we measured the body composition, physical fitness, and blood lipids before and after combined exercise training (aerobic exercise + resistance exercise, 3 times a week for 12 weeks). Combined exercise training for 12 weeks improved body composition, including body weight, body mass index, body fat percentage, and visceral fat percentage. In addition, combined exercise training attenuated blood lipid profiles, including blood glucose, high-density lipoprotein-cholesterol (HDL-C), low-density lipoproteincholesterol (LDL-C), and total cholesterol (TC). In contrast, physical fitness factors, including muscle strength, muscle endurance, and flexibility were significantly improved by combined exercise training for 12 weeks. We demonstrated that combined exercise training attenuated obesity-induced alteration of body composition and blood lipid profiles, and improved physical fitness in middle-aged women, suggesting that combined exercise training plays an essential role in protecting against obese-induced alteration of body composition, physical fitness, and blood lipids in middle-aged obese women.
Yoo, Su-Min Cho, Ja-Won Hwang, Kyung-Sook Kim, Chan-Ho Chae, Sang-Kun, Sung, Young-Eun Lee, John-Hwa International Journal of Clinical Preventive Denti 2011 International Journal of Clinical Preventive Denti Vol.7 No.1
Objective: The aim of this study was to ascertain the effects on oral environment improvement including the control of dental plaque, the prevention of gingivitis and the repression of oral malodor using dentifrice mixed with hydrated silica, sodium monofluorophosphate, green tea extract and cetylpyridinium chloride. Methods: The experiment was conducted of 95 of Korean male and female adult volunteers using by double blind method. Before the experiment started, the subjects removed their tartar mechanically to make the oral conditions of all subjects same. After 2 weeks for no residual effect, the oral environmental index was measured as baseline value. For 3 months, the subjects were instructed to use dentifrice experimented and the effect of hydrated silica, sodium monofluorophosphate, green tea extract and cetylpyridinium chloride was analyzed comparing experiment group 1 and 2 with control group. Results: The changes of gingivitis and plaque index of 2 experiment groups, which is to figure out the improvement of gingivitis, were significantly different compared to that of control group (p<0.05). Changes of oral malodor of 2 experiment groups were significantly different compared to that of control group (p<0.05). After 3 months freshness of 2experiment groups were significantly different compared to that of control group (p<0.05). The experiment group had freshness at about 7.83, experiment group 1 at about 7.97 while the control group at about 3.15. Conclusion: The most effective improvement especially shown on the oral conditions were dentifrice that contains.