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경피 간침 생검후 혈종발생에 대한 압박 및 비압박 안정의 영향
손수인(Soo In Sohn),강영우(Young Woo Kang),허정욱(Jung Wook Hur),안성훈(Sung Hoon Ahn),박승국(Soong Kook Park),우성구(Seong Koo Woo) 대한내과학회 1991 대한내과학회지 Vol.41 No.2
Percutaneous needle biopsy of the liver is known to be a commonly utilized and safety procedure that can be performed at the patients bedside. But the compression of the biopsy site makes the patient uncomfortable, on the other hand intrahepatic or subcapsular hematoma formation could be serious and a life threatening complication. Recently, real-time ultrasound technigues have been used for early detection of such complication. We compared blood pressure, pulse rate and hematoma incidence between the compression group (45 patients) and the noncompression group (49 patients) after percutaneous liver biopsy. The results were as follows: 1) Intrahepatic hematoma developed in one case in each group and their diameter were less than 10 mm. 2) There was no significance in hematoma incidence between the 2 groups. 3) There was no significant difference in blood pressure and pulse rate between the two groups. In conclusion, we think that noncompression after percutaneous liver biopsy is a safe method.
손수인 ( Soo-in Sohn ),오영주 ( Young-ju Oh ),김병용 ( Byung-yong Kim ),장안철 ( Ancheol Chang ),이범규 ( Bumkyu Lee ),윤도원 ( Doh-won Yun ),이강섭 ( Gang-seob Lee ),오성덕 ( Sung-dug Oh ),조현석 ( Hyun-suk Cho ) 한국환경농학회 2016 한국환경농학회 학술대회집 Vol.2016 No.-
The studies about the effect of planted GM crops on soil microorganisms have been continued. Although many studies have been carried out over the past decades, they provided contradictory information about the effect on soil microorganisms even for the same GM crop due to the diversity of soil environment, which means the effect of GM crops on soil microorganisms should be considered in many aspects. In this study, we investigated the effect of the drought tolerant rice, MSRB2-Bar-8 which expresses CaMSRB2 gene on soil microorganisms based on the culture-dependent and culture-independent methods. For this, soil chemical analysis, population density of soil microorganisms, denaturing gradient gel electrophoresis (DGGE) and pyrosequencing were analyzed with rhizosphere soils of GM and the non-GM counterpart of Ilmi rice. There was no significant difference in soil chemicals between GM and non-GM rice. The microbial community densities of the GM soils were found to be within the range of those of the non-GM rice. The DGGE patterns of the total soil microorganisms for GM and non-GM rice were also similar. In the pyrosequencing analyses, Proteobacteria and Cloroflexi were dominant at seedling stage while Cloroflexi showed dominance over Proteobacteria at maturity stage in both soils. In UPGMA dendrogram, two soils were grouped by time period showing difference in soil microorganisms by time period; however, such difference was not the difference in soil microorganisms between GM and non-GM. In conclusion, the results from this study imply that the effect of MSRB2-Bar-8 cultivation on soil microorganisms is not significant.
손수인 ( Soo In Sohn ),류태훈 ( Tae Hoon Ryu ),조병관 ( Byung Kwan Cho ),전봉균 ( Bong Kyun Jeon ),이정원 ( Jeung Won Lee ),신공식 ( Kong Sik Shin ),조현석 ( Hyun Suk Cho ) 한국환경농학회 2013 한국환경농학회 학술대회집 Vol.2013 No.-
The cultivation of genetically modified (GM) crops has increased due to their economic and agronomic advantages. Before commercialization of GM crops, however, we must assess the potential risks of GM crops on human health and environment. The aims of this study was to investigate the possible impact of Bt rice on the soil microbial community. Microbial communities were isolated from the rhizosphere soil cultivated with Bt rice and Nakdong, parental cultivar and were subjected to be analyzed using both culture-dependent and molecular methods. The total counts of bacteria, fungi, and actinomycetes in the rhizosphere of transgenic and conventional rice were not significantly different. Denaturing gradient gel electrophoresis (DGGE) analysis of PCR-amplified 16S rRNA genes revealed that the bacterial community structures during cultural periods were very similar each other. Analysis of dominant isolates in the rhizosphere cultivated with Bt and Nakdong rice showed that the dominant isolates from the soil of Bt rice and Nakdong belonged to the Proteobacteria, Cloroflexi, Actinobacteria, Firmicutes, and Acidobacteria. These results indicate that the Bt rice has no significant impact on the soil microbial communities during cultivation period. Further study remains to be investigated whether the residue of Bt rice effect on the soil environment.
손수인 ( Soo-in Sohn ),오영주 ( Young-ju Oh ),조우석 ( Woo-suk Cho ),조윤성 ( Yoonsung Cho ),신은경 ( Eun-kyoung Shin ),강현중 ( Hyeon-jung Kang ) 한국환경농학회 2020 한국환경농학회지 Vol.39 No.3
BACKGROUND: This paper describes the successful discrimination of GM crops from the respective wild type (WT) controls using spectroscopy and chemometric analysis. Despite the many benefits that GM crops, their development has raised concerns, particularly about their potential negative effects on food productionand the environment. From this point of view, the introduction of GM crops into the market requires the development of rapid and accurate identification technologies to ensure consumer safety. METHODS AND RESULTS: The development of a GM crop discrimination model using spectroscopy involved the pre-processing ofthe collected spectral information, the selection of a discriminant model, and the verification of errors. Examples of GM versus WT discrimination using spectroscopy are available for soybeans, tomatoes, corn, sugarcane, soybean oil, canola oil, rice, and wheat. Here, we found that not only discrimination but also cultivar grouping was possible. CONCLUSION: Since for the determination of GM crop there is no pre-defined pre-processing method or calibration model, it is extremely important to select the appropriate ones to increase the accuracy in a case-by-case basis.
분자생물학적 분석을 통한 Bt 배추의 토양미생물상 영향 비교평가
손수인 ( Soo In Sohn ),오영주 ( Young Ju Oh ),오성덕 ( Sung Dug Oh ),김민경 ( Min Kyung Kim ),류태훈 ( Tae Hoon Ryu ),이기종 ( Ki Jong Lee ),서석철 ( Seok Choel Suh ),백형진 ( Hyeong Jin Baek ),박종석 ( Jong Sug Park ) 한국환경농학회 2010 한국환경농학회지 Vol.29 No.3
The aim of this study was to investigate the possible impact of Bt Chinese cabbage on the soil microbial community. Microbial communities were isolated from the rhizosphere of one Bt Chinese cabbage variety and four varieties of conventional ones and were subjected to be analyzed using both culture-dependent and molecular methods. The total counts of bacteria, fungi, and actinomycetes in the rhizosphere of transgenic and conventional Chinese cabbages were observed to have an insignificant difference. Denaturing gradient gel electrophoresis (DGGE) analysis of PCR-amplified 16S rRNA genes revealed that the bacterial community structures were very similar to each other and this genetic stability of microbial communities was maintained throughout the culture periods. Analysis of dominant isolates in the rhizosphere of transgenic and conventional Chinese cabbages showed that the dominant isolates from the soil of transgenic Chinese cabbage belonged to the Bacilli and Alphaproteobacteria, while the dominant isolates from the soil of conventional cabbage belonged to the Holophagae and Planctomycetacia, respectively. These results indicate that the Bt transgenic cabbage has no significant impact on the soil microbial communities.
손수인(Soo-In Sohn),안병옥(Byung-Ohg Ahn),지희연(Hee-Youn Chi),조병관(Hee-Youn Chi),조민석(Min-Seok Cho),신공식(Kong Sik Shin) 한국토양비료학회 2012 한국토양비료학회지 Vol.45 No.5
경제적 및 농업적 장점은 유전자 변형 작물 재배면적의 증가를 가져왔다. 그러나 유전자 변형 작물의 상업적 재배전에 유전자 변형 작물의 인간건강 및 환경에 미칠 잠재적 위해성에 대한 면밀한 검토가 필수적이다. 본 연구에서는 Bt벼의 토양미생물 군집에 미치는 영향을 조사하였다. 토양화학성분을 분석한 결과, Bt벼와 낙동벼 근권토양 간 화학 성분의 유의성 있는 차이는 없는 것으로 조사되었다. 재배전, 재배초기, 최고 분얼기의 토양미생물 군집밀도를 조사했을 때 Bt벼 근권토양의 세균, 방선균, 진균 군집밀도는 낙동 벼와 유사한 수준으로 나타났다. 시기별 DGGE 분석결과 Bt 벼 근권토양 전체미생물상은 낙동벼와 차이가 없는 것으로 조사되었다. Pyrosequencing을 통한 Bt벼와 낙동벼의 미생 물 군집조성을 조사한 결과 주요 미생물상 분포에 있어서도 매우 유사한 양상을 나타내었다. 위의 결과들을 종합해볼 때 Bt 재배에 따른 토양미생물상에 미치는 영향은 미미한 것으로 사료된다. 수확 후 벼 잔존물이 토양환경에 미치는 영향에 대해서는 좀 더 연구가 진행되어야 할 것이다. The cultivation of genetically modified (GM) crops has increased due to their economic and agronomic advantages. Before commercialization of GM crops, however, we must assess the potential risks of GM crops on human health and environment. The aim of this study was to investigate the possible impact of Bt rice on the soil microbial community. Microbial communities were isolated from the rhizosphere soil cultivated with Bt rice and Nakdong, parental cultivar and were subjected to be analyzed using both culture-dependent and molecular methods. The total counts of bacteria, fungi, and actinomycetes in the rhizosphere of transgenic and conventional rice were not significantly different. Denaturing gradient gel electrophoresis (DGGE) analysis of PCR-amplified 16S rRNA genes revealed that the bacterial community structures during cultural periods were very similar each other. Analysis of dominant isolates in the rhizosphere cultivated with Bt and Nakdong rice showed that the dominant isolates from the soil of Bt rice and Nakdong belonged to the Proteobacteria, Cloroflexi, Actinobacteria, Firmicutes, and Acidobacteria. These results indicate that the Bt rice has no significant impact on the soil microbial communities during cultivation period. Further study remains to be investigated whether the residue of Bt rice effect on the soil environment.
오영주 ( Young Ju Oh ),손수인 ( Soo In Sohn ),김창석 ( Chang Seok Kim ),김병우 ( Byoung Woo Kim ),강병화 ( Byeung Hoa Kang ) 한국환경농학회 2008 한국환경농학회지 Vol.27 No.4
The phytosociological study was carried out to investigate the structural characteristics of paddy levee vegetation in South Korea. The vegetation data of total 59 releves were analyzed by the Zurich-Montpellier school`s method. 6 syntaxa (3 associations and 3 communities) of paddy levee were recognized: Echinochlo-Digitaretum ciliaris ass. nov. hoc., Artemisia princeps-Erigeron annus community, Imperata cylindrica v. koenigii community, Glycine soja-Humulus scandens community, Miscantheum sinensis f. purpurascens ass. nov. hoc,, Polygonetum thunbergii Lohm. et Miyawaki 1962. Detrended correspondence analysis(DCA) showed that Artemisia princeps-Erigeron annus community and Imperata cylindrica v. koenigii community were positively correlated with soil hardness. Polygonetum thunbergii Lohm. et association and Miscantheum sinensis f. purpurascens ass. nov. hoc. was intimately correlated with high soil total nitrogen.
이기종 ( Ki Jong Lee ),손수인 ( Soo In Sohn ),이장용 ( Jang Yong Lee ),이부영 ( Bu Young Yi ),오성덕 ( Sung Dug Oh ),권순종 ( Soon Jong Kweon ),서석철 ( Seok Choel Suh ),류태훈 ( Tae Hun Ryu ),김경환 ( Kyung Hwan Kim ),박종석 ( Jo 한국환경농학회 2011 한국환경농학회지 Vol.30 No.4
BACKGROUND: Soybean [Glycine max (L.) Merrill] is legume and an important oil crop worldwide. This study was conducted to evaluate the possible impact of transgenic soybean cultivation on the soil microbial community. METHODS AND RESULTS: Microorganisms were isolated from the rhizosphere soils. Microbial community was identified based on the culture-dependent and molecular biology methods. The total numbers of bacteria, fungi, and actinomycete in the rhizosphere soils cultivated with transgenic and non-transgenic soybeans were similar to each other, and there was no significant difference between transgenic and non-transgenic soybeans. Dominant bacterial phyla in the rhizosphere soils cultivated with transgenic or non-transgenic soybeans were Actinobacteria, Firmicutes, and Proteobacteria. The microbial communities in transgenic and non-transgenic soybean soils were characterized using the denaturing gradient gel electrophoresis (DGGE). The DGGE profiles showed the different patterns, but didn`t show significant difference to each other at 0.05 significance level. DNAs were isolated from soils cultivating transgenic or non-transgenic soybeans and analyzed for persistence of transgenes in the soil by using PCR. PCR analysis revealed that there were no amplified γ-tmt and bar gene in soil DNA. CONCLUSION(S): The results of this study suggested that microbial community of soybean field were not significantly affected by cultivation of the transgenic soybeans.