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축산시설 내 온실가스(CO<sub>2</sub>) 포집 및 시설하우스 공급을 통한 온실가스 저감기술 개발
나규동,조만수,Nah, Gyu Dong,Cho, Man Su 한국환경보건학회 2018 한국환경보건학회지 Vol.44 No.6
Objectives: Carbon dioxide ($CO_2$) may be one of the biggest causes of climate change. The purposes of this study were to reduce greenhouse gases and to increase strawberry production by developing the supply devices in livestock facilities using the membrane technology Methods: Carbon dioxide was collected from beside to livestock facilities. The injection of $CO_2$ was stopped when it reached 1,000 ppm in the facility house. Case group with injection of $CO_2$ was compared to control group with normal environment. The experiments were conducted for 8 days from December 11, 2017. Results: Total strawberry production was found to be 1,317 kg in the case group and 1,176 kg in the control group. The correlation between $CO_2$ and crop yields has led to some statistical evidence that carbon dioxide helps to grow (${\beta}=0.832$, p<0.05). Conclusions: This study identified the potential for efforts to reduce the $CO_2$ in farming households. Increased concentrations of $CO_2$ have shown that strawberries have a better growth condition. In addition, it can be explained that the plants need wide leaves to quickly absorb much $CO_2$.
플라즈마 이온 방식의 공기정화기를 이용한 돈사내 공기오염물질 저감 효과
김윤신,김기연,조만수,고문석,고한종,정진원,오미석,윤백,김중호,Kim, Yoon-Shin,Kim, Ki-Youn,Cho, Man-Su,Ko, Moon-Suk,Ko, Han-Jong,Jung, Jin-Won,Oh, Mi-Seok,Youn, Baek,Kim, Jung-Ho 한국환경보건학회 2010 한국환경보건학회지 Vol.36 No.4
This field study was performed to evaluate the efficiency of a plasma ion-operated air cleaner in temporal reduction of airborne pollutants emitted from a pig housing facility. In the case of gaseous pollutants, the plasma ion air cleaner was not effective in reducing levels of ammonia, hydrogen sulfide, nitrogen dioxide, or sulfur dioxide (p>0.05). In the case of particulate pollutants, however, the air cleaner was effective in reducing levels of particulate matter ($PM_{2.5}$ and $PM_1$) by 79(${\pm}6.1$) and 78(${\pm}3.0$)%, respectively. Unlike the case of these fine particle fractions, the reduction of total suspended particles (TSP) and $PM_{10}$ following treatment was almost negligible. In the case of biological pollutants, the mean reduction efficiencies for airborne bacteria and fungi were relatively low at 22(${\pm}6.6$) and 25(${\pm}8.7$)%, respectively. Taken together, these results indicate that in terms of air pollutants released from this pig housing facility, the plasma ion air cleaner was primarily effective in reducing levels of $PM_{2.5}$ and $PM_1$.
국내 작업환경측정기관들의 개인시료 채취기 운용현황 실태 조사
김기연 ( Ki Youn Kim ),조만수 ( Man Su Cho ),마혜란 ( Hye Lan Ma ),이광용 ( Kwang Young Lee ),정지연 ( Jee Yeon Jeong ) 한국산업보건학회 2014 한국산업보건학회지 Vol.24 No.3
Objectives: The principal aim of this study is to provide fundamental data for suggesting substantial management plan of personal air sampler by investigating current situation of work environment monitoring service provider. Materials and Methods: The questionnaires regarding a personal air sampler were sent by electronic mail to 150 institutions, except for 22 institutions which are out of business or closed temporarily, among total 172 domestic work environment monitoring service providers designated by Ministry of Employment and Labor based on 2013. The institutions which did not reply to the questionnaire for 30 days were required directly by phone call. Finally 97 institutions gave an answer to the questionnaire and therefore the respondence rate was 65%. Results: The normal operation rate of personal air sampler exceeded 70% in all the types (particle, gas and both combination) in terms of purchased year. Furthermore the personal air sampler purchased recently showed a trend of high operation rate compared to the personal air sampler purchased previously. The distribution patterns of personal air sampler In terms of manufacturers were Gillian>MSA>SKC for particle, Gillian>SKC>AMETEK for gas and Gillian>MSA>Casella for both combination, respectively. As a result, it was found that the personal air sampler manufactured by Gillian company was utilized the most in domestic work environment monitoring service provider regardless of types of personal air sampler. Conclusions: Based on the results obtained from this study, the normal operation rate according to types of personal air sampler was as follows: 94% for personal air sampler for collecting particle only, 93% for personal air sampler for collecting gas only and 89% for collecting both particle and gas. Overall, the numbers of personal air sampler possessed and operated normally in domestic work environment monitoring service provider were 5,458 and 5,062, which indicates the normal operation rate of personal air sampler in total aspect is 93%.
농약물질 중 살충제 관련 농업 종사자들의 직무 -노출 매트릭스 구축을 위한 기초 자료 조사 연구 (Ⅰ): 수도작
김기연 ( Ki Youn Kim ),조만수 ( Man Su Cho ),이상길 ( Sang Gil Lee ),강동묵 ( Dong Mug Kang ),김종은 ( Jong Eun Kim ) 한국산업보건학회 2014 한국산업보건학회지 Vol.24 No.1
Objectives: The principal aim of this study is to investigate and analyze domestic usage amounts of insecticide inrice cultivation in order to providefundamental data for establishing a job-exposure matrix(JEM) related to farmers working withagricultural insecticides. Materials and Methods: An investigation of domestic usage amounts of in secticidesinrice cultivation was performed through two methods. The first method utilized information on agricultural pesticides published annually by the Korea Crop Protection Association(KCPA). The second method made use of area of cultivation of rice as officially determined by Statistics Korea(SK). An estimation of domestic usage of insecticidesinrice cultivation through the second method was determined by multiplying the total cultivation area of rice(㎡) by the optimal spray volume of insecticides for rice cultivation per unit of cultivation area(kg/㎡). Results: As a result of the analysis of public data regarding insecticides in rice cultivation, it was found that the domestic usage amount has decreased sharply from the first year of market sales(1969) to the final datayear(2012). There is little difference in the annual usage trend of insecticides in rice cultivation between shipment and estimation. Also, the annual usage trends of insecticides in rice cultivation based on regional classification were nearly similar to those based on the overallaspect. Conclusions: The region which used the largest volume of insecticide inrice cultivation in Korea was the Jeolla Provinces, followed by the Gyeonsang Provinces, the Chungcheong Provinces, Seoul/Gyeonggi Province, Gangwon Province and Jeju Province. Substantially, the mean ratio of usage amounts of insecticide based on shipments and those based on estimation by cultivation area was 96±29%, which indicates that the domestic usage amount of insecticide for rice cultivation corresponded to the optimal spray standard per unit area.
이은영 ( Eun Young Lee ),안만수 ( Man Su Ahn ),신정현 ( Jung Hyun Shin ),이창근 ( Chang Keun Lee ),조유숙 ( You Sook Cho ),유빈 ( Bin Yoo ),문희범 ( Hee Bom Moon ) 대한류마티스학회 2001 대한류마티스학회지 Vol.8 No.2
A link between sensorineural hearing loss and autoimmune disease is postulated. The pathogenesis of sudden sensorineural hearing loss (SNHL) in patients with systemic lupus erythematosus (SLE) is not clear. However, several reports have suggested vasculitis secondary to SLE as underlying mechanism or association of antiphospholipid antibody (aPL). Although there were some cases of sensorineural hearing loss associated with systemic lupus erythematosus or lupus-like syndrome treated with plasmapheresis or immunosuppressive agents, there has been no case of SNHL in patients with SLE reported in Korea. We describe an 18-year-old female with systemic lupus erythematosus who presented with sudden sensorineural hearing loss. She was treated with high-dose corticosteroids with favorable clinical outcome.
농약물질 중 살충제 관련 농업 종사자들의 직무 -노출 매트릭스 구축을 위한 기초 자료 조사 연구 (2) : 채소류
김기연 ( Ki Youn Kim ),조만수 ( Man Su Cho ),임병서 ( Byung Seo Lim ),이상길 ( Sang Gil Lee ),강동묵 ( Dong Mug Knag ),김종은 ( Jong Eun Kim ) 한국산업보건학회 2014 한국산업보건학회지 Vol.24 No.3
Objectives: The main objective of this study is to investigate domestic usage amount of insecticide for vegetable cultivation to provide fundamental data for establishing job-exposure matrix(JEM) related to farmers treating agricultural insecticide. Materials and Methods: The survey on domestic usage amount of insecticide for vegetable cultivation was conducted by two research methods. The first method is to utilize agricultural pesticides published annually from Korea Crop Protection Association(KCPA). The second method is to apply cultivation area of vegetable announced officially from Statistics Korea(SK). An estimation of domestic usage amount of insecticide for vegetable cultivation through the second method was done by multiplying total cultivation area of vegetable(㎡) with optimal spray amount of insecticide for vegetable cultivation per unit cultivation area of vegetable (kg/㎡). Results: As a result of analysis of public data related to insecticide for vegetable cultivation, it was found that its domestic usage amount has decreased gradually from the first sale year(1969) to current year(2012). There is, however, a considerable difference of annual usage trend of insecticide for vegetable cultivation between shipments and estimation. The annual usage trends of insecticide for vegetable cultivation based on regional classification were different from those based on total aspect. Conclusions: The region which used insecticide for vegetable cultivation the most in Korea was Jeolla-do, followed by Gyeonsang-do,Chungcheong-do, Seoul/Gyeonggi-do, Gangwon-do and Jeju-do. Substantially, mean ratio of usage amounts of insecticide based onshipments and those based on estimation by cultivation area was 281±115%, which indicates that usage amounts of insecticide estimatedby cultivation area are three times lower than those based on shipments.
광범위 전신성 경화증 환자에서 D-penicillamine 치료 중에 발생한 중증 근무력증
박도현 ( Do Hyun Park ),이은영 ( Eun Young Lee ),안만수 ( Man Su Ahn ),김인 ( In Kim ),정선미 ( Son Mi Chung ),신정현 ( Jung Hyun Shin ),이창근 ( Chang Keun Lee ),조유숙 ( You Sook Cho ),유빈 ( Bin Yoo ),김광국 ( Kwang Kuk Kim ) 대한류마티스학회 2002 대한류마티스학회지 Vol.9 No.2
D-penicillamine has been used to reduce skin thickening and prevent the development of significant organ involvement in the treatment of scleroderma. This drug has a number of serious adverse reactions including glomerulonephritis with nephrotic syndrome, aplastic anemia, thrombocytopenia, and myasthenia gravis. A 44-year-old woman was admitted for weakness of the extremity muscle during repeated use. Eight months before admission, she visited dermatology department of our hospital. She was diagnosed as having scleroderma. D-penicillamine was started for the treatment of skin lesions. Based on the fluctuation of proximal muscle weakness, high titer of acetylcholine receptor antibody and definite decremental response of Jolly test, she was diagnosed as myasthenia gravis. D-penicillamine was discontinued because of the suspicion of D-penicillamine induced myasthenia gravis. Muscle weakness improved after D-penicillamine was withdrawn. The development of reversible myasthenia gravis may be regarded as a part of general predisposition for autoimmune disease related to the D-penicillamine therapy.
허정 ( Heo Jung ),최영태 ( Choe Young Tae ),김동준 ( Kim Dong Jun ),류현수 ( Ryu Hyeon Su ),박진현 ( Park Jin Hyeon ),김은채 ( Kim Eun Chae ),조만수 ( Cho Man Su ),양원호 ( Yang Won Ho ) 대구가톨릭대학교 자연과학연구소 2019 자연과학연구논문집 Vol.17 No.1
Students spend most of their day indoors, especially in school, which makes it easy to be affected by the quality of indoor air at schools. For this reason, indoor air quality in schools is very important. Recently, schools have expanded the installation of air purifiers to help these students take care of their health. The purpose of this study is to evaluate the efficiency of indoor air control according to the type of air purifier. In this study, PM10, CO2, TVOCs, TAB, HCHO, and NO2 were measured indoors and outdoors for each day of operation of air purification systems and for each of the nine schools. The study found that air purifier showed high control effect in the order of complex, floor top, ceiling, air purifier type, air conditioner type, and air-conditioner filter type. The control effect on particulate air pollutants (PM10, TAB) was higher than that of gas-phase air pollutants.