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남상호,조영호,박영준,한용구,이정수 대전대학교 기초과학연구소 2002 自然科學 Vol.13 No.2
천황봉에서 발원하여 산간 계류를 형성하고 흐르다가 유성천과 합류해 금강으로 유입되는 계룡산 동학사 계곡의 수선곤충 군집을 조사한 결과 총 5목 17과 37종이 출현하였다. 이중에서는 하루살이류가 6과 14종으로 가장 많이 출현하였으며, 현존량은 파리류가 전체 1,165개체중 569개체(48.84%)로 가장 높게 나타났다. 전체 우점종은 꼬마하루살이와 깔다구류로 0.15의 우점도지수를 기록하였다. 종다양도는 제 4지점인 남매탑 계류의 합류점이 0.93으로 가장 높았고, 제 1지점인 은선산장 위 부근이 0.09로 낮게 나타났다. 각 지점별 오수생물계열은 초강부수성-강부수성으로 매우 낮게 조사되었다. Aquatic insect communities were investigated in a mountain streams of YIt. Iiyeryong1 one of the central areas of Korea, from March to September, 2002. As a result, 37 species of aquatic insects in 17 families and in 6 orders appeared during the study period, the order Ephemeroptera and Diptera of which were the most appeared. Ephemeroptera was consisted of 14 species of 6 families, and Diptera was consisted of 589 individuals(48.84%j of total individual nun-her. Dominant species was Baetis ther-micus and the subdominant species was Chironmidae sp.. Dominant species index of Baetis thermicils and Chironmidae sp. was O.15 The highest species diversity index was observed of site 4 as 0.93 and the lowest species diversity index was observed of site 1 as 0.09. Dominance indices ranged between 0.15 and 1.00 while diversity indices between 0.09 and 0.93. In relation to species diversity indices, Mt. Iiyeryong streams were determined as Isosaprobity-Polysaprobity area. In general, it is inferred from the aquatic insect community that typical mountain streams of Korea are low.
국내에서 유행하는 HIV의 전파 경로에 따른 Subtype 분포
이주실,남정구,김성순,강춘,최병선,김옥진,박미선,성봉모,서순덕,전수경,변승옥,신영오,조해월 대한감염학회 2001 감염 Vol.33 No.5
Background : Previous data have been reported that subtype B is prevalent in South Korea, but neither the extent nor the proportion of subtypes could be evaluated. This study was designed to analyze the distribution of HIV-1 subtypes, temporal instructions and transmission dynamics between epidemiological groups. Methods : 1,280 Koreans had been diagnosed as HIV seropositive during the period 1985 to 2000. Among them, 134 individuals were selected for this molecular epidemiological study. 134 DNAs were isolated from uncultured or cultured peripheral blood mononuclear cells. V3-V5 (0.7 kb) fragment of HIV-1 env gene was amplified by nested polymerase chain reaction and was sequenced. Results : HIV-1 isolates from thirty-seven homosexuals were all subtype B (100%). On the other hand, 66 isolates from 94 heterosexuals were subtype B (70%) and 28 were non B subtypes (30% : 13 A, 4 C, 2 D, 8 E , 1 G). Only subtype B strains were isolated from 73 males who were infected with HIV inside Korea while 16 B and 20 non B subtype strains were isolated from 36 males who were HIV infected outside of Korea. However, B and non B strains were isolated half and half from females who were infected inside Korea except one. Conclusion : The HIV-1 subtype B strains are prevalent in Korea from the early HIV infection until present in both homo and heterosexuals. Non B strains have been transmitted from men who were infected outside Korea to their spouses and casual partners. So, we need further study to monitor subtype B and non B HIV transmission in epidemiological groups of Korea, (Korean J Infect Dis 33:311∼318, 2001)
황한철,전우정,이남호,홍성구,김진태 안성산업대학교 1998 論文集 Vol.30 No.2
It is necessary to evaluate the location suitability of livestock facilities to guide reasonable livestock. The evaluation system could help plan new livestock facilities in rural areas. The assessment was performed based on location characteristics of livestock facilities such as land utilization around livestock facilities, size of livestock facilities, water and drainage condition, accessibility and distance from roads, floor condition, distance from village and house, direction of livestock facilities, ventilation facilities, animal Waste treatment, and so forth. In this study, location characteristics of livestock facilities were showed each location factors using statistical analysis.
Nam, Jeong-Gu,Kang, Chun,Lee, Sung-Rae,Lee, Joo-Shil The Korean Society of Virology 1998 Journal of Bacteriology and Virology Vol.50 No.2
To analyze the correlation between biological phenotypes of HIV-1 isolates and disease progression, we selected 9 long-term non-progressors (LTNP) and 12 rapid progressors (RP) from HIV-1 infected Korean. We isolated HIV-1 isolates by culture of PBMC of LTNP and RP with normal PBMC and measured HIV-1 p24 antigen production. The HIV-1 isolation rate from LTNP was 55.6% (5/9). And 4 HIV-1 LTNP isolates were non-syncytium inducing (NSI) phenotype and showed slow/low replication. The HIV-1 isolation rate from RP was 91.7% (11/12) which was higher than that from LTNP. Besides 3 RP HIV-1 isolates which showed syncytium inducing (SI) phenotype, 8 RP HIV-1 isolates showed NSI phenotype in normal PBMC and MT-2 cell line. All RP HIV-1 isolates replicated more rapidly than LTNP HIV-1 isolates. Comparing the replication kinetics and syncytium forming capacity of HIV-1 isolates from LTNP and RP, we suggest that the difference of biological phenotype of HIV-1 isolates could be related with disease progression of HIV-1 infected persons.
남상운 ( Nam Sang Woon ),이남호 ( Lee Nam Ho ),전우정 ( Jeon Woo Jeong ),황한철 ( Hwang Han Cheol ),홍성구 ( Hong Seong Gu ),허연정 ( Heo Yeon Jeong ) 한국농공학회 1998 한국농공학회 학술대회초록집 Vol.1998 No.-
This study was conducted to develop the simple and convenient irrigation control model which can maintain the appropriate rates of irrigation and drainage of nutrient solution according to the environmental conditions and growth stages in soilless culture of cucumber. In order to obtain fundamental data for development of the model, investigation of the actual state of soilless culture practices was carried out. Most irrigation systems of soilless culture were controlled by the time clock. Evapotranspiration of cucumber in soilless culture was investigated and correlations with environmental conditions were analyzed, and its prediction model was developed. A irrigation control model based on the time clock control and there were considered seasons, weather conditions, and growth stages was developed. Applicability of the model was tested by simulation. Drainage rates of irrigation system controlled by conventional time clock, integrated solar radiation, and the developed model were 61%, 20%, and 32%, respectively in cucumber perlite culture.
남상운 ( Nam Sang Woon ),이남호 ( Lee Nam Ho ),전우정 ( Jeon Woo Jeong ),황한철 ( Hwang Han Cheol ),홍성구 ( Hong Seong Gu ),허연정 ( Heo Yeon Jeong ) 한국농공학회 1999 韓國農工學會誌 : 전원과 자원 Vol.41 No.2
This study was conducted to develop the simple and convenient irrigation control model which can maintain the appropriate rates of irrigation and drainage of nutrient solution according to the environmental conditions and growth stages in soilless culture of cucumber. In order to obtain fundamental data for development of the model, investigation of the actual state of soilless culture practices was carried out. Most irrigation systems of soilless culture were controlled by the time clock. Evapotranspiration of cucumber in soilless culture was investigated and correlations with environmental conditions were analyzed, and its estimating model was developed. In order to develop the irrigation system which can control the amount of nutrient solution applied according to seasons, weather conditions, and growth stages, a irrigation clock control was developed. Applicability of the model was tested by simulation. Drainage rates of nutrient solution controlled by conventional time clock, integrated solar radiation, and the developed model were 61%, 20%, and 32%, respectively in cucumber perlite culture.