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김동운,이철헌,김홍직,고창조,박연래,조백기 대한피부과학회 1981 大韓皮膚科學會誌 Vol.19 No.2
One hundred and seven patients with alopecia areata were studied in regard to the character of personality, emotional stress during their military life, socioeconomic status and their possible role in the pathogenesis of alopecia areata by ready-made chart and Minnesota Multiphasic Personality Inventory (M.M.P.I,) While only 55. 4% of out patients were enlisted men, 73. 0% of alopecia areata patients were soldiers suggesting that soldiers are more prone to develop alopecia areata. This trend was more apparent among soldiers who were less than 6 months in the service. In clinical scale, abnormal MMPI profiles were noted in 65 patients (60. 7%). Among abnormal MMPI profiles, hysteria scale is most common (23. 1%) and followed by hypochondriasis scale 18. 5%, psychiasthenia scale 16. 9%, and paranoia scale 12. 3%. The alopecia areata group showed significant difference in psychopathic deviate, schizophrenia, and paranoia which is high in person having psychotic symptoms and psychopathic personality. The neurotic triad or anxiety index is not significantly elevated.
한국재벌의 변모, 1987~2004년 - 순위, 계열회사 수, 자산을 중심으로 -
김동운 한국기업경영학회 2005 기업경영연구 Vol.12 No.2
대규모기업집단은 경제력 집중을 억제한다는 취지로 1987년부터 지정되기 시작하였다. 그 동안 지정기준이 세 차례 바뀌었으며, 특히 IMF사태를 계기로 많은 기득 집단들이 역사의 뒤안길로 사라진 반면, 이들을 대신해 신흥 집단들이 대거 등장하였다. 본 논문에서는 1987년부터 2004년까지 한국 재벌의 면면이 어떻게 변해 왔는지를 고찰하였다. 순위, 계열회사 수, 자산의 기본적인 세 가지 측면을 중심으로 하여 장기적인 관점에서 주요 특징들을 살펴보았다. Korean big businesses, or chaebols, have been regulated by the Fair Trade Commission since 1987. Those to be regulated have changed: all with assets of more than 400 million wons between 1987 and 1992, 30 largest ones in terms of assets between 1993 and 2001, and, from 2002, all with assets of more than 2,000 million wons. In particular, the 1997 financial crisis saw a considerable number of chaebols disintegrate and be replaced by new ones, although most major chaebols remain unchanged. This paper explores the ups and downs of the Korean chaebols in terms of ranking, the number of member companies, and the size of assets between 1987 and 2004.
법랑기질 단백질 유도체가 치주인대양세포 및 조골양세포에 미치는 영향
김동운,정진형,임성빈,고선일,Kim, Dong-Woon,Chung, Chin-Hyung,Lim, Sung-Bin,Ko, Seon-Yle 대한치주과학회 2003 Journal of Periodontal & Implant Science Vol.33 No.2
Recent study on the enamel matrix derivatives explained on the effects of new bone and new attachment formation in infrabony pocket of periodontal defects. The purpose of this study was to investigate on the biological effects of enamel matrix derivatives to attachment, proliferation and activation of periodontal ligament and osteoblast cells, After treatment of osteoblast and PDL cells with various Emdogain concentration level(0.03${\mu}g$/ml, 3${\mu}g$/ml, 300${\mu}g$/ml), activation of osteogenetic factor, calcified nodule formation and measuring alkaline phosphatase activity(ALP) were performed. 1. Both osteoblast and PDL cell showed increasing initial cell attachment with 300${\mu}g$/ml Emdogain concentration. 2. At the level of 300${\mu}g$/ml, accelerated proliferation of oseoblast and PDL cell was appeared. 3. As Emdogain's concentration increased, increased ALP activation of osteoblast was shown. In case of PDL cell, Emdogain increased ALP activation prominently at the level of 300${\mu}g$/ml. 4. No statistically significant activating change were founded at all of the concentrations of Emdogain on the activating of transcript factor Runx2 for differentiating osteoblast. 5. At the level of 300${\mu}g$/ml, calcified nodule formation was increased prominently to compare with other concentration. These results indicated that Emdogain should activate initial attachment, proliferation and activation, but not on Runx2 activation and can be used for useful tool of the treatment of periodontal tissue regeneration.