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역사적 진술의미와 소설적 진실 : 鄭漢淑의 <끊어진 다리>
정현기 일념 1995 교수아카데미총서 Vol.8 No.1
본 연구의 목적은 사례연구를 통하여 심리기술훈련이 동계-U 대회 대표선수의 경쟁불안과 기분상태에 어떠한 영향을 미치며 궁극적으로 경기력 향상에 기여할 수 있는지를 알아보는데 있다.
신생아의 혈청내 Nitric Oxide와 Erythropoietin의 생성
정현기,김광혁 한국생명과학회 1999 생명과학회지 Vol.9 No.2
본 연구는 정상 및 호흡곤란 신생아의 혈청내에 존재하는 nitric oxide(NO)의 생성을 관찰하고 erythropoietin (EPO)의 생성을 보기 위하여 정상 신생아 18명과 호흡곤란 신생아 16명으로부터 혈액을 채취하여 혈청내에서의 NO 및 EPO 생성량을 enzyme-linked immunosorbant assay법으로 측정하여 다음과 같은 결과를 얻었다. 1. 정상신생아의 혈청내 nitrite ion은 14.9$\pm$3.2 $\mu$M을 나타냈고 호흡곤란신생아군에서는 12.8$\pm$3.3 $\mu$M을 나타냄으로서 정상 대조군보다 호흡곤란군이 NO생성량이 낮음을 알 수 있었다. 2. 정상신생아의 혈청내 EPO는 16.2$\pm$3.4 mU/ml을 나타냈고 호흡곤란신생아군에서는 21.2 $\pm$5.4 mU/ml을 나타냄으로서 정상 대조군보다 호흡곤란군이 EPO생성량이 많음을 알 수 있었으며 통계학적으로 매우 유의한 차이를 나타냈다. 이상의 결과에서 호흡곤란증후군에서는 정상대조군에 비하여 NO생성이 대체적으로 저하되어 있음을 알 수 있었고 반대로 EPO의 생성은 증가되어 나타남으로서 EPO 상승에 따른 임상증상도 발현될 가능성이 있다하겠다. Nitric oxide(NO) is a potent and selective pulmonary artery vasodilator. Erythropoietin(EPO) is produced in the kidney in response to reduced oxygen availability. In this study, blood samples were collected for determination of NO and EPO concentrations in 18 normal newborns and 16 newborns with respiratory distress syndrome(RDS). Serum was measured by Ding's method for NO concentration and by enzyme-linked immunosorbant assay for EPO concentration. Nitric ion concentration in serum was 14.9$\pm$3.2 $\mu$M in normal control group and 12.8$\pm$3.3 $\mu$M in RDS group. EPO concentration in serum was 16.2$\pm$3.4 mU/ml in normal control group and 21.2$\pm$5.4 mU/ml in RDS group. These results show the decrease of NO and increase of EPO in RDS newborn patients in comparison with normal newborns. Such imbalances may contribute to the development of several clinical symptoms.
정현기,박재선,정윤주 고신대학교(의대) 고신대학교 의과대학 학술지 1985 고신대학교 의과대학 학술지 Vol.1 No.1
A case of hereditary spherocystosis who was a 13-month-old Korean male, was presented. The diagnosis was made by physical findings, spherocytes in peripheral blood smears, and increased red cell osmotic fragility. After splenectomy, the patient showed remarkable improvement of anemia and jaundice and he is in good health with bactrim prophylaxis. A brief review of related literatures was also made.
류마토이드 슬관절염에 대한 전슬관절 대치성형술 : MGⅡ 형과 PFC 형의 비교 분석 Comparative analysis of MGⅡ and P.F.C. prosthesis
정현기,최충혁,김종헌 한양대학교 의과대학 1998 한양의대 학술지 Vol.18 No.2
The authors reviewed 202 knees in 118 patients, taken total knee replacement arthroplasties for rheumatoid arthritis. We made 2 groups replaced with MGII prosthesis as Group I and P.F.C. as Group Ⅱ. We reviewed the results with minimum 6 months to maximum 69 months follow-up periods. The analysed results are summarized as follows: 1. In preoperative state, the range of knee motion was 92.9 degree with 27.3 degree flexion contracture in Group I and 89.9 degree with 29.5 degree flexion contracture in Group Ⅱ. On the day of final follow up after the operation, the range of knee motion was 113.7 degree with 6.6 degree flexion contracture in Group I and 115.8 degree with 5.7 degree flexion contracture in Group Ⅱ. 2. The average knee rating score and the functional score of Group I were 42.5 and 8.5 points and those of Group Ⅱ were 39.2 points, 8.6 points in preopertive state. On the final follow up state, the scores was improved 91.0, 91.3 points in Group I and 87.5, 78.9 points in Group Ⅱ. 3. In operation fields, we measured the thickness of patellae. There were no differences in thickness of patellae between 2 groups. But the incidences of lateral retinacular release had difference - 78 cases(76.5%) of Group I and 37 cases(41.1%) of Group Ⅱ.
온라인 플랫폼을 활용한 수산식품 구매요인 우선순위 분석: AHP 기법을 활용하여
정현기,기해경,박세현,Jeong, Hyun-Ki,Kee, Hae-Kyung,Park, Se-Hyun 강원대학교 경영경제연구소 2022 Asia-Pacific Journal of Business Vol.13 No.3
Purpose - The purpose of this study to explore factors consumers prioritize when purchasing seafood online. The originality of the study lies on adopting AHP-based approach in analyzing prioritized purchasing factors of seafood online. Design/methodology/approach - A survey was conducted targeting Korean consumers who have purchased seafood online. AHP method was applied to rank factors consumers prioritize before making decision. Findings - First, product's factor ranked first among other high level factors including delivery service, seller, online platform. Second, sanitation, taste, country of origin ranked first, second, third respectively, within product's factors. Third, safe delivery, timeliness, information accuracy ranked first, second, third respectively, within delivery factors. Fourth, consumer reviews, consumer response ability, promotion ranked first, second, third within seller factors. Fifth, Personal information management system, credibility, user-friendliness ranked first, second, third, within online platform factors. Research implications or Originality - To activate seafood online market, it is crucial to assure consumers that the seafood is well managed in a sanitary way from the production site to table. Existing government programs such as seafood traceability system, HACCP, and cold-chain infrastructure needs improvement. Due to highly perishable characteristic of seafood, delivery factors matter when purchasing online. Online platforms needs to continue to improve delivery service. Seafood products are mostly not branded and without objective information about their properties. Creating quality classification and seafood brands are likely to help consumers chose seafood online.