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마비성패류독의 생물학적 제독 -1. 마비성패류독 분해세균의 분리 및 세균학적 특성-
박미정,이희정,이태식,박정흠,장동석,PARK Mi Jung,LEE Hee Jung,LEE Tae Seek,PARK Jeong Heum,JANG Dong Suck 한국수산과학회 2000 한국수산과학회지 Vol.33 No.6
For the establishment of biodetoxification method which can be acceptable for live bivalves, paralytic shellfish poison (PSP) detoxification bacteria were isolated from sea water and bivalves, and PSP detoxification activity and optimal growth condition of the isolated strains were investigated. from the bivalve and sea water samples, 8 strains of PSP detoxification bacteria were isolated. Of the isolated strains, CW-6 isolated from sea water shown strong PSP detoxification activity and decomposed completely 18 nmole/g of GTX2 after 3 days incubation in artificial medium. The selected stain CW-6 shown typical characteristics of the Enterobacter sp. and identified as Enterobacter sp, CW-6. Optimal growth condition of the Enterobacter sp. CW-6 were $35^{\circ}C$, pH 7 and $NaCl 1{\%}$, respectively. PSP 분해 활성 세균을 이용한 마비성패류독의 생물학적 제독 방법을 확립하기 위하여 진주담치 및 해수에서 마비성패류독 분해능이 있는 균주를 분리하였으며, 분리 균주의 독소 분해 활성 및 세균학적 특성 시험을 실시한 결과는 다음과 같다. 남해안 패류양식장에서 채취한 진주담치 및 해수 중에서 마비성패류독 분해능이 있는 8균주를 분리하였으며, 분리균주 중 $GTX 1{\~}4$ 혼합물 전반에 대하여 폭넓은 분해 활성을 나타낸 CW-6를 시험 균주로 선발하였다. 선발 균주 CW-6는 배양 3일만에 18nmole/g의 GTX2를 완전히 분해하는 강한 독소 분해 활성을 나타내었다. 선발 균주 CW-6는 생화학적 특성 시험 결과, Enterobacter속으로 동정되어 Enterobacter sp. CW-6로 명명하였으며, 이 균주는 $20{\~}40^{\circ}C,\;pH 7{\~}9$에서 왕성하게 증식하는 전형적인 중온세균의 특징과 염분농도 $6{\%}$에서도 최적 증식의 $46.8{\%}$ 정도 증식 가능한 내염성을 나타내었다.
4차 산업혁명을 대비한 고등학교 가정과 선택 교육과정 편성 방안 탐색
박미정,Park, Mi Jeong 대한가정학회 2017 Human Ecology Research(HER) Vol.55 No.5
This study explored the organization of high school Home Economics (HE) selective curriculum for the Fourth Industrial Revolution. We critically review the change process of HE curriculum as well as problems based on the understanding of the Fourth Industrial Revolution. The results were as follows. First, regarding the characteristic consistently shown in the revision process of high school curriculum, the huge increase of the number of subject organized resulted from the intensification of the selective-centered curriculum strengthening the choice for school and students. However, HE was reduced to some 'Technology-Home Economics' subject and a single subject 'HE Science' as a selective subject was subsequently combined with Technology after the $7^{th}$ curriculum period. Consequently, HE hard to organize the career-focused curriculum, emphasized by the revised 2015 curriculum due to the insufficient number of subjects. Second, the choice of HE in high school curriculum should be expanded as measures to organize the HE curriculum of high school to cope with changes that result from the Fourth Industrial Revolution. For the operation of the career-focused curriculum, career selective subjects and specialized subjects should be more diversely established. In accordance with changes in a future society that results from the Fourth Industrial Revolution, the HE education community should be prepared in advance to be organized as a selective subject when revising a subsequent curriculum, by newly establishing subjects necessary to students through collective intelligence and deliberation with pedagogists and scholars for subject content as well as by producing/getting approval from government-recognized textbooks.
박미정,지원현,고일하,이상환,Park, Mi Jeong,Ji, WonHyun,Koh, IlHa,Lee, Sang-Hwan 한국지하수토양환경학회 2018 지하수토양환경 Vol.23 No.5
Soil trace elements and their bioaccumulation in agricultural products have attracted widespread concerns, yet the crop uptake characteristics of trace elements in different soil-plants systems have been rarely investigated. Experiments were carried out to investigate the effect of soil properties on trace element concentrations in cabbage and radish. Soil pH and total organic matter were major factors influencing trace elements transfer from soil to vegetables. Inclusion of other soil properties in the stepwise regression analysis improved the regression models for predicting trace element concentrations. Consideration of other soil properties should be taken into account for more precise prediction of trace element concentrations in the two vegetables, which could help quantitatively evaluate the ecologic risk of toxic trace elements accumulation in crops.
마비성패류독의 생물학적 제독 -2. 해수에서 분리한 Enterobacter sp. CW-6를 이용한 마비성패류독의 분해-
박미정,이희정,이태식,김지회,이태호,PARK Mi Jung,LEE Hee Jung,LEE Tae Seek,KIM Ji Hoe,LEE Tae Ho 한국수산과학회 2000 한국수산과학회지 Vol.33 No.6
해수에서 분리한 마비성패류독 분해 균주 Enterobactersp. CW-6 균주의 마비성 패류독소 최적 분해 온도 및 시험 균주의 독소 분해과정 중의 독소 함량 및 구성성분을 조사한 결과는 다음과 같다. 시험 균주는 배양 적온으로 확인된 $30, 35^{\circ}C$에서 배양 5일만에 각각 최초 첨가 독력의 $56.8, 44.1{\%}$, 12일 후에는 $93.0, 79.5{\%}$를 분해하였다. 그러나, 배양 적온에서 벗어날수록 균주의 독소 분해 활성은 감소하여 $20^{\circ}C$에서는 배양 12일 후에도 최초 독력의 $69.0{\%}$가 잔존하였다. 시험 균주 Enterobacter sp. CW-6는 $30^{\circ}C$에서의 조독소를 이용한 분해 활성 측정에서 초기 농도 38.2nmole/g의 마비성패류독을 배양 8일 및 12일째 각각 $88.4, 92.7{\%}$ 분해하였다. 정제 독소를 이용한 분해 시험에서, 조독소 분해과정 중에 일시적으로 증가하는 STX group은 GTX2, 3에서 전환된 것으로 확인되었다. 시험 균주 Enterobactersp. CW-6는 정제 독소에 대해서도 강한 분해 활성을 나타내었으며, 최초 농도 47 nmole/g 의 GTX1과 37 nmole/g GTX4를 분해 과정 12일 후에 각각 $100, 90.8{\%}$ 분해하였으며, GTX2, 3 혼합물에 대하여는 최초농도 25.6 nmole/g의 독소를 12일 후에 $66.4{\%}$까지 분해하였다. Optimum temperature for paralytic shellfish poison (PSP) detoxofication of Enterobacter sp. CW-6 isolated from sea water and changes of contents and ingredients composition of PSP during bacterial detoxification process were investigated. Enterobacter sp. CW-6 detoxicated $61.5{\~}67.7{\%}\;and\;87.4{\~}96.8{\%}$ of initial PSP toxicity ($25.0{\~}28.5\;nmole/g$) after $5{\~}12$ days at 30 and $35^{\circ}C$, identified as optimal growth temperature, respectively. The detoxification rate of Enterobacter sp. CW-6 for crude PSP with initial concentration of 38.2 nmole/g after 8 and 12 days at $30^{\circ}C$ in the Marine broth was 88.4 and $92.7{\%}$, respectively. During bacterial detoxification process using crude toxin solution, temporary increasement of STX group was detected and identified that was derived from GTX2, 3 group. The detoxification rate of Enterobaoter sp. CW-6 on purified GTX1 and 4 with initial concentration 47 nmole/g and 37 nmole/g were more than $90{\%}$ after 12 days in the marine broth at $30^{\circ}C$. Enterobacter sp. CW-6 also showed a detoxification activity on purified GTX2 and 3, and the detoxification rate for the initial concentration 25.6 nmole/g after 12 days was $66.4{\%}$.
과민성 장 증후군의 특성과 병태생리 및 위험요인에 대한 고찰
박미정,최명애,김금순,홍해숙,이경숙,정재심,채영란,안경주,신기수,최정안,Park, Mi-Jung,Choe, Myung-Ae,Kim, Keum-Soon,Hong, Hae-Sook,Lee, Kyung-Sook,Jeong, Jae-Sim,Chae, Young-Ran,An, Gyeong-Ju,Shin, Ki-Soo,Choi, Jung-An 한국재활간호학회 2005 재활간호학회지 Vol.8 No.2
Purpose: Irritable bowel syndrome (IBS) is frequently yet little understood disease. Review was performed to promote understanding on the characteristics, pathophysiology, and risk factors of IBS. Content: IBS is characterized by abdominal discomfort associated with pain and altered bowel function; structural and biochemical abnormalities are absent. Generally IBS is more prevalent in women and people with higher educational and social background, but there are some controversies. IBS is diagnosed by the Rome II or Manning criteria after excluding organic gastrointestinal diseases. The pathophysioloy is explained by abnormal control mechanism of central and enteric nervous system. Mucosal immunity, secretions, and neurotransmitter are also associated with the hypersensitivity and motility change of bowel function. Stress is known as a major triggering factor and contributed to symptoms. Other risk factors are genetic elements, childhood experiences, inflammation, anxiety, depression, diet, and sleep disorders.
미지시료에서 부신피질호르몬제의 확인을 위한 라이브러리 구축
박미정,홍효정,이상기,Park, Mee-Jung,Hong, Hyo-Jeong,Lee, Sang-Ki 대한약학회 2011 약학회지 Vol.55 No.4
Illegal addition of steroids into cosmetics, ointments or drugs have been increased and their careless usage induced detrimental effect on health. We developed simultaneous analytical method using TLC, HPLC and LC/MS for the identification of 40 corticosteroids. 34 corticosteroids were well separated in HPLC with isocratic mode and remaining 6 drugs were also separated with gradient mode. All of the 40 corticosteroids were detected in negative mode in LC/MS. Halcinonide, prednisolone, triamcinolone acetonide and methylprednisolone hemisuccinate were detected in real samples.
크루스칼 알고리즘과 불규칙 삼각망을 이용한 유역 추출 알고리즘
박미정,허현,김태곤,서교,이정재,Park Mee-Jeong,Heo Hyun,Kim Tae-Gon,Suh Kyo,Lee Jeong-Jae 한국농공학회 2006 한국농공학회논문집 Vol.48 No.4
Watershed is the land area that contributes runoff to an outlet point. To delineate an watershed, watershed delineation using GIS that contains grid data structure is the most general method. Some researchers have studied to implement algorithms that revise the TIN topography since it is difficult to delineate watershed boundary more accurately. In this study kruskal's greedy algorithm and triangulated irregular network (TIN) were used to delineate a watershed. This method does not require a conversion from to DEM in grid and automatically obtain(generates) the oulet points. Delineation algorithm was tested in Geosan-gun, Chung-cheongbuk-do and get small watershed areas. Finally, kruskal's algorithm could operate more precisely with revision algorithm.