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부산시 토양오염 취약지역 등급화를 이용한 우선관리대상 순위 선정
정현정,이민희,도진우,Jung, Hyunjung,Lee, Minhee,Doe, Jinwoo 한국지하수토양환경학회 2015 지하수토양환경 Vol.20 No.7
The purpose of this study is to highlight the National Classification System related to cleanup the soil contaminated sites and to provide some guidance to address the priority management rank system before the remediation for Busan metropolitan city. Based on the previous soil investigation data, the quantitative classification of vulnerable areas for soil pollution was performed to successfully manage the contaminated sites in Busan. Ten evaluation factors indicating the high soil pollution possibility were used for the priority management ranking system and 10 point was assigned for each factor which was evenly divided by 10 class intervals. For 16 Gu/Guns in Busan, the score of each evaluation factor was assigned according to the ratio of the area (or the number) between in each Gu (or Gun) and in Busan. Ten scores for each Gu (or Gun) was summed up to prioritize the vulnerable Gu or Guns for soil pollution in Busan. Results will be available to determine the most urgent area to cleanup in each Gu (or Gun) and also to assist the municipal government to design a successful and cost-effective site management strategy in Busan.
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정현정(Hyunjung Chung),강인정(In Jeong Kang),양정욱(Jung-Wook Yang),노재환(Jae-Hwan Roh),심형권(Hyeong-Kwon Shim),허성기(Sunggi Heu) 한국식물병리학회 2019 식물병연구 Vol.25 No.3
Almost 30% of arable lands of North Korea are covered with paddy rice. In rice cultivation of North Korea, rice blast disease is the most important fungal disease and bacterial leaf blight is the most important bacterial disease. Seven North Korean rice cultivars had been tested for the disease resistance against rice blast pathogen, Magnaporthe oryzae and bacterial leaf blight pathogen, Xanthomonas oryzae pv. oryzae. The responses of seven cultivars against 17 different M. oryzae races from South Korea had been quite different. Among seven cultivars, Giljoo1ho was very resistant to all 18 different M. oryzae isolates from South Korea, nevertheless KI or KJ. Pyungdo5ho was very susceptible, it showed susceptible responses to 8 out of 10 KI races and 7 out of 8 KJ races of M. oryzae isolated in South Korea. However, the response to bacterial leaf blight was different from the response to rice blast pathogen. Gijoo1ho, Wonsan69ho, Onpo1ho, and Pyungdo15ho were susceptible to KXO42 (K1) and KXO90 (K2), respectively. Pyungdo5ho was resistant to KXO85 (K1) and KXO19 (K3), and Pyungyang21ho was resistant to K1 races. Based on these results, Giljoo1ho can be a good resource for the breeding of resistant rice cultivar against M. oryzae isolates from South Korea.
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서산 웅도 백운암 내 석면 산출 및 광물학적 특성 규명
김선옥,이민희,정현정,신원지,Kim, Seon-Ok,Lee, Minhee,Jung, Hyunjung,Shin, Wonji 대한자원환경지질학회 2014 자원환경지질 Vol.47 No.5
본 연구는 충청남도 서산시 웅도 백운암에서 산출되는 석면에 대하여 박편관찰, X-선 회절분석, 주사전자현미경 관찰 등을 통해 석면의 광물학적 및 형태적 특성을 규명하고, 백운암의 광물학적 특성과의 상관관계를 통해 석면의 형성과정을 알아보고자 하였다. 연구 결과, 석면을 함유하고 있는 모암은 열수 변질 및 변성작용을 받았으며, 광물학으로는 주로 백운석과 소량의 방해석, 석영, 활석, 각섬석, 휘석 등으로 이루어진 백운암인 것으로 밝혀졌다. 모암 내 존재하는 석면은 섬유상-침상 입자형태를 가진 양기석-투각섬석계 석면이었으나, 변성정도에 따라 주상 및 침상형태를 가진 비석면형의 양기석-투각섬석도 존재하는 것이 확인되었다. 주상이나 침상 형태의 광물을 전자현미경으로 분석한 결과, 주상의 경우 벽개면을 따라 더 작은 침상 또는 주상의 입자로 쪼개지는 특성을 나타내어, 풍화과정에 의한 쪼개짐 현상에 의해 석면입자로 산출될 수 있음을 알 수 있었다. 특히 양기석-투각섬석 광물군에서 너비가 $1{\mu}m$ 이하인 휘어진 형태의 섬유상 석면 입자가 발견되었다. 기존 연구에서는 백운암 내에서 거의 발견되지 않았던 석면 입자가 웅도 백운암에서 검출되었고, 광물학적 분석 결과 석면광물은 Ca, Mg를 함유한 백운암질 석회암이 열수 변질을 받는 과정에서 형성되었으며, 주로 양기석-투각섬석 석면형태로 존재하는 것으로 밝혀졌다. The occurrence and mineralogical characteristics of asbestos in dolostone at Ungdo, Seosan were investigated by analyses of PLM, XRD, and SEM/EDS. Representative outcrops of dolostone at Ungdo were examined and four dolostone samples were collected according the occurrence type to identify the shape of asbestos in dolostone samples. The host rock of dolostone had been produced from the hydrothermal alteration and/or thermal metamorphism of which main source was assumed as the acidic granite. Tremolites were observed near the cracks or fractures of the dolostone as tamping or gob types. From the mineralogical analyses, main minerals of dolostone were dolomite with calcite, quartz, talc, amphibole, and pyroxene. From SEM/EDS analyses, tremolite-actinolite asbestoses were observed in dolostone and their shapes were prismatic and fibrous (less than $1{\mu}m$ in width). Non-asbestos prismatic forms were also found and they would transfer to asbestos particles resulting from the cleavage and fracture of the prismatic particles. Overall results suggest that asbestoses in Ungdo dolosotnes were mainly tremolite-actinolite and they were originated from the hydrothermal alteration of Ca-Mg rich dolostone.
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남영희(Younghee Nam),정현정(Hyunjung Jung),김예순(Yesoon Kim) 한국디지털콘텐츠학회 2018 한국디지털콘텐츠학회논문지 Vol.19 No.7
The purpose of the study was to determine the general characteristics that affect strokes caused by smoking, to provide basic data and political grounds for preventing strokes. Data were used from the 6th (2015) of the National Health and Nutrition Survey. Among the study participants were 2,146 smokers and 132 strokers. Data were analyzed using SPSS ver. 21.0. The findings of the study were as follows: strokes increased the odds ratio 1.7 times(p<0.001) when smoking was performed, and the risk factors for strokes caused by smoking were statistically significant in age(p=0.008, p=0.10), education level(p=0.003, p=0.008), hypertension(p<0.001), and subjective health conditions(p=0.008). Therefore, it is necessary to develop health education contents using smart devices and a consistent national health policy to reduce the occurrence and risk of stroke.
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Colletotrichum sojae에 의한 땅콩 탄저병 발생 보고
김신화 ( Shinhwa Kim ),최수연 ( Soo Yeon Choi ),정현정 ( Hyunjung Chung ),최낙중 ( Nak Jung Choi ),서보윤 ( Bo Yoon Seo ),김상민 ( Sang-min Kim ) 한국균학회 2024 韓國菌學會誌 Vol.52 No.1
In August 2023, leaf spot disease was observed in peanuts in Cheongju-si, Korea. Leaf spots occurred at the leaf margins and the lesions gradually expanded. Diseased leaf areas were light or dark brown and irregular in shape. A fungal isolate was obtained from symptomatic leaf and cultured on potato dextrose agar (PDA) medium at 25℃. An isolate was identified as Colletotrichum sojae based on morphological characteristics and sequences of the internal transcribed spacers, glyceraldehyde-3-phosphate dehydrogenase, chitin synthase-1, actin, and β-tubulin genes. Pathogenicity tests were performed on peanut seedlings in a conidial suspension (1×106 conidia/mL). Lesions were observed on the peanut leaf 5 d after inoculation. The pathogen was re-isolated from the lesions of the inoculated leaves. To the best of our knowledge, this is the first report of anthracnose on peanut caused by C. sojae in Korea.
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고령자의 식생활 관리 콘텐츠 제공형 U-Healthcare 서비스 요구 특성
길가영(Gayoung Kil),김춘순(Cunsun Kim),정현정(HyunJung Jung) 한국콘텐츠학회 2015 한국콘텐츠학회논문지 Vol.15 No.10
건강에 대한 사회적인 욕구와 관심에 따라 만성질환 예방 및 식생활관리 서비스의 새로운 모델로 U-Healthcare 서비스가 주목 받고 있다. 본 연구는 50세 이상의 남녀 중장년층을 대상으로 U-Healthcare 서비스 관련 요구 특성을 조사하였다. 조사대상의 U-Healthcare 서비스에 기대하는 부분으로 개인 맞춤형 진료 및 관리 부분(37.7%), 개인의 건강상태의 체계적인 파악(21.4%)이 높게 나타났다. 건강관리 이용 분야에서는 식이요법 관리(43.9%)가 가장 높게 나타나 U-Healthcare 서비스에서 개인 맞춤형 식이요법 서비스가 필요할 것으로 보였다. 건강 정보 검색 관심분야는 질병관리(35.6%), 식재료(28.6%), 건강음식 조리법(22.7%) 순으로 나타나 조사대상의 50% 이상이 식품에 관심이 있었다. 식단 정보에 대한 요구사항은 영양성분, 건강상태별(질환별) 맞춤형 식단 등을 5점 척도로 조사한 결과 모든 항목이 3.9 이상의 필요성이 있다고 답변하였다. 이상의 결과를 통해 현재의 중장년층은 U-Healthcare 서비스를 통해 질병관리와 더불어 식생활 관리 서비스를 요구하고 있는 것을 확인하였다. 따라서 본 연구의 후속 연구로 남녀 중장년층 집단의 요구 특성을 반영하여 원격 진료를 통해 매일매일 개인의 건강상태 및 질환의 진행 정도를 파악하고 그에 따라 필요한 식재료, 식단, 조리법에 대한 처방을 U-Healthcare 서비스로 제공할 수 있는 데이터베이스를 구축하고자 한다. 이를 통해 식생활 관리 콘텐츠의 활용도를 높이고 미래의 고령자들이 건강한 삶을 영위할 수 있을 것으로 기대한다. Along with the social interests and needs for health, the U-Healthcare Service as a new model to control individual dietary life and to prevent chronic diseases is now drawing the public attention. In this study, the characteristics of the requirement of U-Healthcare Service were investigated from subjects aged over 50 years old. As parts of the expectation to the U-Healthcare service, the customized clinical care & control (37.7%) and the systematic understanding of individual health state (21.4%) appeared significantly. And for the application of the U-Healthcare Service to the field of healthcare, the control of dietotherapy (43.9%) appeared higher than anything else and thus the customized service for individual dietotherapy seemed to be needed. Regarding the field of searching for health information, the disease control (35.6%), food materials (28.6%), and recipe for health foods (22.7%) appeared in sequence and revealed that the majority over 50% of subjects were interested in foods. The requirements for the information of dietary formula were also investigated through 5 points scaled questionnaires on respective topics of nutritive components, menus customized for corresponding health states (diseases), and the results obtained from surveys on respective topics all showed the needs for all information by representing each point value exceeded 3.9. Through the results obtained from this study, the provision of customized information enabling the nutritional control in accordance with individual states of health or disease was estimated to be needed for the popularization of U-Healthcare Service providing contents for dietary life of clients especially those of aged over 50 years.
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