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백영석,안동현,조연규,남정현,최보율,강윤주,고복자 大韓神經精神醫學會 1999 신경정신의학 Vol.38 No.3
연구목적 : 청소년을 대상으로 장애가 있는 식이태도 및 식이행동과 관련된 요인들에서 인종과 문화적 차이가 있는가를 보는 것이다. 방 법 : 1996년도에 3129명의 중고등학교 남녀 학생을 대상으로 학교 장면에서 신체 계측과 설문지를 통하여 수집하였으며 연령은 13세부터 16세 사이의 학생들로 분포되었다. 학생들의 분포는 서울 지역의 663명, 양평 지역의 821명, 조선족이 사는 연길 지역의 830명 그리고 한족이 사는 길림 지역의 815명이었으며, 그들은 모두 키, 몸무게, 신체질량지수, 부모의 수입, 아버지의 학력, 체중조절 설문지, 신체상 척도 및 식이태도검사 등의 내용을 완성하였다. 결 과 : 신체질량지수(BMI)에서는 지역, 성별, 사회경제적 상태에 따른 차이가 없었다. 연길과 길림 지역의 학생들이 서울과 양평 지역의 학생들보다 심한 저체중과 심한 과체중을 갖는 학생들이 많았다. 연길과 길림 지역의 학생들이 서울과 양평의 학생들보다 식이태도검사(EAT-26)의 평균치가 높아 식이태도와 식이행동이 나빴다. EAT-26의 20점 이상인 식이장애의 고위험군은 연길 지역의 학생이 6.9%로 네 집단 중에서 가장 많았다. 한국의 양평지역과 서울 지역의 학생들이 신체상 척도(BIS)의 평균치가 연길 지역과 길림 지역의 학생들보다 의미있게 높았다. 즉 한국의 학생들이 중국의 학생들보다 자신의 신체에 대하여 부정적인 생각을 갖고 있었다. 체중조절 행동의 유병율은 서울 지역 학생들이 26.7%, 양평 지역 학생들이 23.2%, 연길 지역 학생들이 10.6%, 그리고 길림 지역 학생들이 4.6%이었다. 식이조절과 운동은 한국의 학생들이, 식이조절과 약물사용은 중국의 학생들이 가장 많이 하는 방법이었다. 결 론 : 본 연구를 통하여 한국과 중국에서도 식이장애가 결코 적지 않을 것이라는 사실을 확인하였고, 식이장애는 인종과 사회문화적 요인에 의해 크게 영향을 받는다는 것, 마지막으로 식이태도와 식이행동 및 그와 관련된 요인들을 통해서 네 지역간의 문화전이 상태를 확인할 수 있었다. Objectives : The goal of this research was to attempt to examine ethnic and cultural differences in factors associated with disordered eating attitudes and behaviors. Methods : Data were collected from the four groups of 3,129 high school students aged between 13 and 16 years who completed school-based survey conducted in 1996. The students (663 Korean urban, 821 Korean rural, 830 Korean-Chinese and 815 Chinese adolescents) completed an instrument which assessed weight, height, Body Mass Index(BMI), parental income, father's level of education, weight control questionnaire, Body Image Scale(BIS), and eating attitudes and behaviors using the Eating Attitude Test-26(EAT-26). Results : BMI did not vary significantly by race, sex, and socioeconomic status. There were many severely underweight and severely overweight students among Korean-Chinese and Chinese than among Korean urban and Koran rural students. The EAT-26 mean scores of Korean-Chinese and Chinese subjects were significantly higher than those of Korean urban and Korean rural subjects. The EAT-26 mean score of Korean-Chinese was the highest among the four racial groups. The prevalence of high risk EAT-26(EAT-26≥20) students of Korean-Chinese was 6.9% which was the highest among the four groups. The BIS mean scores of Korean rural and Korean urban subjects were significantly higher than those of Korean-Chinese and Chinese subjects. The Korean subjects were more dissatisfied with their body than the Chinese. The prevalences of weight control behaviors were 26.7% in Korean urban, 23.2% in Korean rural, 10.6% in Korean-Chinese, and 4.6% in Chinese subjects. Dieting and exercise were most popular for weight reducing in Korean subjects. Dieting and drug use were most popular in Chinese subjects. Conclusion : These data suggest that there must be many eating disorder patients in Korea and China, and the eating attitudes and behaviors are influenced by ethnic and cultural factors. Implications for understanding sociocultural influence on eating attitudes and behaviors and acculturation are discussed.
Kang, Bok Yun,Chung, Su Wol,Cho, Daeho,Kim, Tae Sung 전남대학교 약품개발연구소 2002 약품개발연구지 Vol.11 No.-
Interleukin (IL)-12 plays a pivotal role in the development of T helper type 1 (Th1)-immune response. which may have therapeutic effects on diseases associated with pathologic Th2 responses such as allergic disorders and asthma. In this study, we investigated the effects berberine, a benzodioxoloquinolizine alkaloid with anti-microbial and anti-tumor activities, on the production of IL-12 p40, an inducible subunit of IL-12, in mouse macrophages. Berberine-induced IL-12 p40 production and activation of p38 mitogen-activated protein kinase (MAPK) in dose-dependent manners, which were significantly inhibited by p38 MAPK inhibitors and yohimbine, indicating that p38 MAPK and α_2-adrenergic receptor were involved in the induction of IL-12 p40 production in mouse macrophages by berberine. Furthermore, berberine significantly enhanced IL-12 p40 production in mouse macrophages when combined with lipopolysaccharide, a well-known inducer of IL-12 production. These finding may explain some of the known biological effects of berberine and suggests berberine as an immunotherapeutic compound for induction of IL-12, which is potentially applicable for tumors. infectious disease, and airway inflammation.
Optimized Annealing Temperature of Ti/4H-SiC Schottky Barrier Diode
Yun, Seung Bok,Kim, Jeong Han,Kang, Ye Hwan,Lee, Jung Hoon,Kim, Ki-Hyun,Kim, Sung-Su,Jung, Eun Sik,Kang, In-Ho,Shin, Hoon Kyu,Yang, Chang Heon American Scientific Publishers 2017 Journal of Nanoscience and Nanotechnology Vol.17 No.5
<P>The electrical properties of Schottky contact have been observed to be strongly dependent on the quality of the metal/semiconductor interface. When the quality of Schottky contact is not homogenous, there is more Schottky barrier height lowering and leakage current. However, the contact can be improved by annealing after Schottky metal deposition. We fabricated Ti/4H-SiC Schottky barrier diodes (SBD) to study the effect of metal annealing temperature. We annealed at different temperature (425, 475, 500, and 525 degrees C) for 10 minute in nitrogen. The Current (I)-Voltage (V) was measured for each SBD. We compared the ideality factor and Schottky barrier height for all the samples. The 500 degrees C annealed samples showed better performance. The ideality factor and Schottky barrier height of the sample annealed at 500 degrees C were 1.17 and 1.21 eV, respectively.</P>
Release of Renal Dipeptidase from Rabbit Renal Proximal Tubules and Its Inhibition by Gentamicin
Kang, Bok-Yun,We, Jeoung-Soon,Choi, Kyong,Lee, Hwanghee-Blaise,Han, Ho-Jae,Park, Haeng-Soon The Pharmaceutical Society of Korea 1999 Archives of Pharmacal Research Vol.22 No.4
Effects of several durgs on rabbit renal proximal tubules were examined for the applicability of renal dipeptidase (RDPase, EC 3. 4. 13. 11) release as a model system to study nephrotoxicity. The proximal tubule prepared by the method of Taub (1990) released RDPase spontaneously in the control experiment which was confirmed by Western blotting. RDPase was also released form cisplatin, lipopolysaccardie (LPS), and indomethacin-treated tubules. Gentamicin inhibited RDPase release in a concentration-dependent manner. This RDPase release system may not be a general model to screen nephrotoxicity but could be a useful source of RDPase purification in a simple and inexpensive way.
Kang, Bok Yun,Chung, Su Wol,Kim, Tae Sung 전남대학교 약품개발연구소 2001 약품개발연구지 Vol.10 No.-
Hypericin, an active component of Hypericum perforatum, was evaluated for the regulation of interleukin-12 (IL-12) production in mouse macrophages. Hypericin significantly inhibited IL-12 production In lipopolysaccharide-activated macrophages In a dose-dependent manner (IC_50 = 1.45㎍/ml). Furthermore, hypericin potently Inhibited the activation of IL-12 gene promoter, suggesting that hypericin negatively regulated IL-12 production at the transcription level. These results may explain some known biological activities of hypericin including its anti-rheumatic effect.