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안영균(Young Kyun Ahn),신영철(Young Chul Shin),고복자(Bok Ja Koh),심진현(Jin Hyun Shim),김범조(Bum Jo Kim),이승민(Seung Min Lee),이길홍(Kil Hong Lee) 한국중독정신의학회 2005 중독정신의학 Vol.9 No.1
This study was conducted to investigate the differences in psychopathology and coping strategies among internet addictors, over users and non addictors in high school students. Subjects were 273 high school students in Seoul city. Self rating questionnaires included demographic data, Young’s Internet Addiction Scale, SCL-90-R, Beck Depression Inventory, Spielberger State-Trait Anxiety Inventory, and The Way of Coping Strategy. Subjects were classified into 3 groups (addiction, over use, non addiction) by Internet Addiction Scale score. Prevalence of internet addiction was 4.3% and male adolescents were more addictive than female. Students who were mainly involved with internet chatting or game showed higher internet addiction score. The addiction group and over use group showed higher level of somatization, obsession, interpersonal sensitivity, depression, anxiety, hostility, and paranoia than non-addicted group. Addiction group and over use group used passive coping strategies more frequently in the stressful situation than nonaddicted group. Also, the regression analysis for finding out causal factors that predicts internet addiction showed that emotion relieving strategy were important variable which predict internet addiction. Interpersonal sensitivity and emotion relieving coping strategy was important to predict addiction. This study showed that problematic internet use was closely associated with psychopathology and psychiatric comorbidity. And high interpersonal sensitivity and emotion relieving coping strategy were related with internet addiction in adolescence.
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고재문,김종세,김성준,노영복 조선대학교 기초과학연구소 1989 自然科學硏究 Vol.12 No.1
Minicell은 간상 박테리아의 극단에서 변이 세포분열에 의해 생산되는 작은 비성장체이다. 그것은 protein이나 RNA를 함유하나 chromosomal DNA가 조금 있거나 거의 없고 모양은 구형이다. 본 실험을 통해 얻은 결론은 다음과 같다. A. Minicell 생산이 왕성한 x1411 균주를 12시간 배양한 후 optical density는 ML media=0.25, M9 minimal media=0.5, x1776 broth media=0.7, 3×D media=0.9, LB media=1.0으로 나타났다. B. x1411 균주와 pOX7의 형질전환율은 2×10^5개/㎍·DNA로 나타났다. C. 변형된 방법에 의해 분리되어진 minicell양은 1.8×10^4cells/㎖로 나타났다. D. Minicell의 중심부와 극단에서 생성된다는 보고와는 달리 본 실험을 통한 관찰 결과 minicell은 중심부에서는 생성되지 않고 극단에서만 생성된다. E. 전자현미경을 통한 관찰 결과 host cell과 minicell의 크기비는 10:1 정도며, 모양은 host cell은 간상이고 minicell은 구형이다. Minicells are small non-growing bodies produced by aberrant cell divisions at the polar ends of rod-shaped bacteria. They are anucleate, contain RNA and protein but little or no chromosomal DNA fragment and approximately spherical in shape. The results are summarized as follows ; A. After culturing 12 hours, cell density of typical minicell-producing χ 1411 strains appeared to 0.25 in ML media, 0.5 in M9 minimal media, 0.7 in χ 1776 broth media, 0.9 in 3XD media and 1.0 in LB meda. B. The transformation rates between χ 1411 strains and pOX7 plasmid were 2×10^5 in each ㎍. DNA. C. Isolated minicells with modified method were 1.8×10^4 in each ml. D. some papers reported that minicells are produced at the polar ends and the central part, but in this experiment minicells were only produced at the polar ends. E. The results of observation with E.M. ; the ration of cell size between the host cell and the minicell was about 10 : 1, host cell was rod type in shape and minicell spherical type.
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고영호,한복섭,이준희 동아대학교 공과대학 부설 한국자원개발연구소 1993 硏究報告 Vol.17 No.2
It has been investigated the Sintering Characteristics and Microstructure after the Manufacture of Dental Ceramics for Artificial Dental Tooth(Dental Crowns) in Dentistry. The Manufacture of High Thermal Expansional Leucite Crystals has been made by not Conventional Melting Process, but Sol-Gel Process, and composited with Class Frit that has low melting point to get Transparent Sintering Materials. The Crystal Forming Temperature of Leucite manufactured by Sol-Gel Process has been observed after Heat Treatment at various Temperatures. In Addition, The Manufacture Process is simpler than Conventional Melting Process and could be able to manufacture at about 400℃ low Temperature. Glass Frit that has low melting point was fabricated with about 10~30㎛ homogeneous amorphous Powders by means of Ball Milling and was transparent When fired. The Sintering Temperature could be controlled in accordance with the Powder Mixture of Leucite and Glass Frit. The Volume Fraction of Leucite Crystals in Glass Matrix has been increased by the appropriate Heat Treatment of Dental Porcelain.
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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.
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Koh, Yong Bok,Kim, Young Choon,Song, Young Tack,Kim, Woo Sang,Lee, Yong Kak CATHOLIC MEDICAL CENTER 1980 Bulletin of the Clinical Research Institute Vol.8 No.1
The remarkable elevation of serum gastrin in rats with portal caval shunt and lower half small bowel resection was probably due to the loss of inhibitory mechanism of the distal small bowel and an intact stimulating mechanism of the upper small bowel in gastrin and gastric secretion of the intestinal phase.
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