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박용재,진장용,양현종,이우령,이동환,편복양,서은숙 대한소아청소년과학회 2011 Clinical and Experimental Pediatrics (CEP) Vol.54 No.10
Purpose: In autumn 2009, the swine-origin influenza A (H1N1)virus spread throughout South Korea. The aims of this study were to determine the clinical characteristics of children infected by the 2009H1N1 influenza A virus, and to compare the rapid antigen and realtime polymerase chain reaction (PCR) tests. Methods: We conducted a retrospective review of patients ≥18 years of age who presented to Soonchunhyang University Hospital in Seoul with respiratory symptoms, including fever, between September 2009 and January 2010. A real-time PCR test was used to definitively diagnose 2009 H1N1 influenza A infection. Medical records of confirmed cases were reviewed for sex, age, and the time of infection. The decision to perform rapid antigen testing was not influenced by clinical conditions, but by individual factors such as economic conditions. Its sensitivity and specificity were evaluated compared to real-time PCR test results. Results: In total, 934 patients tested positive for H1N1 by real-time PCR. The highest number of patients (48.9%) was diagnosed in November. Most patients (48.2%) were aged between 6 and 10 years. Compared with the H1N1 real-time PCR test results, the rapid antigen test showed 22% sensitivity and 83% specificity. Seventy-eight patients were hospitalized for H1N1 influenza A virus infection, and fever was the most common symptom (97.4%). Conclusion: For diagnosis of 2009 H1N1 influenza A virus infection,the rapid antigen test was inferior to the real-time PCR test in both sensitivity and specificity. This outcome suggests that the rapid antigen test is inappropriate for screening.
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박용재,송영화 대한산업공학회 2011 대한산업공학회 춘계학술대회논문집 Vol.2011 No.5
RFID는 21세기 가장 크게 기여할 10대 기술 중의 하나로 평가되고 있으며, 유통/물류를 비롯하여 제조, 운송, 국방 등 다양한 산업분야에 적용 및 활용되고 있다. 본 연구의 목적은 RFID 채택에 영향을 미치는 요인이 무엇인지 파악하고, RFID 채택이 기업성과에 미치는 영향을 분석해봄으로써 RFID 도입확산 및 산업 활성화에 기여하고자 하는 것이다. 본 연구의 목적을 달성하기 위해 기존의 국내외 선행연구를 TOE(Technology, Organization, Environment) 프레임워크를 기반으로 고찰하였으며, 선행연구를 기반으로 개념적 연구모형 및 가설을 설정하였다. 그리고 연구모형 및 가설을 검증하기 위한 구조방정식 방법론을 제시하였다.
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朴容在,李元暢,金榮煥 高麗大學校 倂設 保健大學 保健科學硏究所 1970 保健科學論集 Vol.1 No.1
The authors intended to study the incidence of tuberculosis (bovine type) in Korea during the period: of l964∼1968. Our data on the subject were collected from the statistical year books edited by The Ministry of Agriculture & Forestry and The Ministry of Health & Social Affairs of The Repulic of Korea. Following Summary could be obtained: 1) The incidence of tuberculosis rate, mainly, the registered active tuberculosis patients in man remains increasing, and the approximated rate 575. 5 per 100, 000 in the year of 1968 represents a 13% increase compare with that of 1965. 2) The incidence rate of bovine type tuberculosis particulary with registered active tuberculosis in dairy cattle -likewise remains increasing, and the rate 634,3 per 100, 000 in the year of 1968 represents a 350% increase compare with that of 1964. For an effective tuberculosis control project in Korea, tuberculosis has to be reconsidered as a positive notion of zoonosis, and greater effort should also be given on the study, of the incidence of bovine type tuberculosis in man simultaneously with the study of human 'type tuberculosis,
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우리나라에 있어 부르셀라菌症, 丹毒 및 炭疽病의 發生에 關한 調査硏究
朴容在,李元暢 中央醫學社 1971 中央醫學 Vol.20 No.5
The authors made a study on the incidence of Brucelosis, Erysipelas, Anthraxin Korea during the period of 15 years, from 1956 to 1969. the period of 15 years, from 1956 to 1969. Our data on the subject were collected from the statistical year books edited by The Ministry of Agriculture and Forestry. Following summary could be obtained: 1) Highest incidence rate of Brucellosis in dairy cattle from 1956 to 1969 was 1745. 6 per 100.000 of 1958, that of Swine Erysipelas 1897.8 of 1962 and that of Swine Anthrax 4.4 of 1960. 2) Geographycal distribution of incidence of Brucellosis and Swine Erysipelas were confined to the area of southeast Korea. 3) The incidence rate of Korea in comparison with that of the foreign countries reveals the former has also a remarkable decline as attributable to the good preventive measures. 4) In the light of above facts, it seems to be continuously required further preventive measures on the meat products in the days come.
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박용재,차철환 고려대학교 의과대학 1973 고려대 의대 잡지 Vol.10 No.3
One of the main factor of pollution crisis that has been a serious problem effecting our health and economy is due to the development of industry. In order to provide the recent situation of pollution in an urban area, the author had carried out a series of studies toward the air pollutants by fuel consumption, sulfur dioxide and nitrogen dioxide emission during working processes and water pollutants due to industrial waste with the objects of 127 factories in 16 different kinds of manufactories during the period from June to December, 1972. Air pollutants emitted in the process of fuel combustion in industry during last year were calculated by multiplying the emission factor by the fuel quantities consumed. For detecting the sulfur dioxide and nitrogen dioxide gases produced during the working process a Kitagawa detector was used both in the morning and the afternoon. Water pollutants were detected with B.O.D.S ppm by the Winkler method, chromium hexavalent by the 1,5-diphenflcarbohydrazide method, suspended solid and CN by the standard method, with samples from waste water immediately emitted from the factories. For calculating population equivalent B.O.D. 54 gm/capita/day of Imhoff's value was applied. The results of studies are as follows : 1) Totally 4,883 tons/year of air pollutants from petroleum 94.4% and coal 5.6% had beer emitted from industry by fuel consumption. 2) Estimated amount of air pollutants, 4,883 tons/year, emitted from industries by fuel combustion were sulfor dioxide 58.6%, nitrogen dioxide 19.6%, hydrocarbon 10.2%, Particulate 8.5%, and carbonmonoxide 3.1%, respectively. 3) Threshold Limit Value of sulfur dioxide was exceeded by eight different classes of industries during the working processes, in which manufacture of rubber 13.5 ppm was the highest. Threshold Limit Value of nitrogen dioxide was exceeded by manufacture of rubber at 6.1 ppm only. 4) The amount of water pollutants due to industrial wastes B.O.D. was 10,638 ㎏/day, the suspended solid 5,121 ㎏/day, chromium hexavalent 27.7㎏, and CN 2.1㎏/day were estimated. 5) High amount of water pollutants produced by different manufactories per day were B.O.D. 36.7% and suspended solid 37.7% in leather and its products and chromium 33.6% in the chemicals and plastic manufactories. 6) Level of B.O.D. average 12,662 ppm, suspended solid 3,597 ppm and chromium 11.7 ppm, CN 10.1 ppm were highest in food manufactories, beverage industry, manufacture of machinery and other manufactory, respectively. 7) Total industrial waste water from 127 factories was estimated to be 4,576 tons/day, B.O.D. population equivalent was 197,000, in which the leather and its products, 72,370, was the highest.
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