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태독이 장내 세균총에 미치는 영향을 규명하기 위한 임신쥐의 스트레스 및 식이에 따른 신생쥐의 장내 세균총 및 IgA 농도 분석 시험
정지은,최유민,정민정,Jeong, Jieun,Choi, Yoomin,Jeong, Minjeong 대한한방소아과학회 2021 대한한방소아과학회지 Vol.35 No.4
Objectives The purpose of this study is to look for pathological mechanism of disease development caused by Taedok, by studying whether stress and diet in pregnant ICR mice affect the intestinal flora and IgA (Immunoglobulin A) concentration. Methods The mice were divided into 4 groups (n=5 per group) based on the concept of Taedok: the control group (G1), stress group (G2), capsaicin diet group (G3), high fat diet group (G4). We collected and analyzed intestinal flora from maternal feces and cecal flora from neonatal mice by group. Then, IgA concentration in the maternal feces and sIgA (secretory Immunoglobulin A) concentration in the cecal contents of newborn mice were analyzed. In addition, serum corticosterone was analyzed before and after stress application. Results Changes in maternal intestinal flora and neonatal mice cecal flora by stress and diet were observed. There were no significant changes in the IgA concentration in maternal feces and the sIgA concentration in the cecal contents of neonatal mice. No significant changes compared to the control group were observed between groups before and after applying stress. However, when comparing within one subject, a significant increase was confirmed after stress application in the stress group (G2). Conclusions Based on the results, we observed stress and diet in pregnant mice affect the intestinal flora of maternal and neonatal. We were able to interpret the pathological mechanism of Taedok based on the principle of interaction between mother and newborn intestinal flora.
정지은(Jieun Jeong),설현수(Hyunsoo Seol) 중앙대학교 한국인적자원개발전략연구소 2021 역량개발학습연구 Vol.16 No.2
본 연구에서는 부정적 또래관계, 스마트폰 의존도, 공격성, 사이버 비행 간 구조적 관계를 살펴보고, 부정적 또래관계와 사이버 비행 간 관계에서 스마트폰 의존도 및 공격성의 중다매개효과를 검증하였다. 이를 위하여 중학교 2학년 학생 2,404명을 jamovi와 jAMM 모듈을 통해 최종 분석하였다. 연구 결과는 다음과 같다. 첫째, 부정적 또래관계, 스마트폰 의존도, 공격성, 사이버 비행은 각각의 변수와 모두 정적 상관관계를 보였다. 둘째, 부정적 또래관계는 스마트폰 의존도, 공격성, 사이버 비행에 정적인 영향을 끼쳤다. 셋째, 부정적 또래관계와 사이버 비행 간 관계에서 스마트폰 의존도 및 공격성이 중다매개하였다. 이러한 결과는 또래관계에 대해 부정적으로 느끼는 정도가 강해지면 스마트폰 의존도가 심해지고, 이에 따라 공격성이 높아져 사이버 비행의 정도가 심해진다는 것을 의미한다. 본 연구 결과는 또래관계에 민감한 학생이 사이버 비행에 빠지게 되는 메커니즘을 입증하여 사이버 비행 관련 상담에 도움을 줄 것으로 기대된다. In this study, the structural relationship between negative peer relationships, smartphone dependency, aggression, and cyber delinquency was investigated while the multiple mediation effects of smartphone dependency and aggression in the relationship between negative peer relationships and cyber delinquency was verified. 2,404 middle school 2nd grade students were included for the study and all analyses were performed using jamovi and jAMM modules. The results of this study are as follows. First, negative peer relationships, smartphone dependency, aggression, and cyber delinquency all showed positive correlation with each variable. Second, negative peer relationships had a positive effect on smartphone dependency, aggression, and cyber delinquency respectively. Third, smartphone dependency and aggression were mediated in the relationship between the negative peer relationship and cyber delinquency. This means that students with negative peer relationships tend to have a higher dependency on smartphone use, and accordingly, the degree of cyber delinquency is intensified by aggression increased from the over-dependency on a smartphone. This study proves the mechanism by which students who are sensitive to peer relationships fall into cyber delinquency, and it is expected to be helpful for cyber delinquency-related counseling.
도심 자율주행을 위한 LiDAR 기반 실시간 객체 거동 예측
정지은(Jieun Jeong),기석철(Seok-Cheol Kee) 한국자동차공학회 2022 한국 자동차공학회논문집 Vol.30 No.7
There are many cut-in/out and other unexpected situations in the urban setting, so the ability to predict the behavior of nearby objects and to perform algorithms in real time has become important. This is because it is possible to prepare an appropriate real-time response strategy through judgment and control according to the object’s behavior. Therefore, in this paper, two methods for securing real-time stability of self-driving vehicles in the city center are proposed. First, an object tracking method is proposed by using a behavior model-based Kalman filter for location tracking, and a Kalman filter for predicting object speed and behavior. Second, a method for predicting and updating the position of an object at a period of up to 40 hertz by supplementing a lidar sensor with a low period by using the posture data of the vehicle is proposed. This method can be cross-validated through simulation and by using the KITTI benchmark.
항해설비 사용자 인터페이스 개선을 위한 표준 항해과업 도출 및 실험
정지은(Jieun Jung),정민(Min Jung),전재호(Jae-Ho Jeon),전계정(Gye-Jeong Jeon),이서정(Seojeong Lee) 한국디지털콘텐츠학회 2018 한국디지털콘텐츠학회논문지 Vol.19 No.10
The debate on developing improved and convenient user interface is proceeding in International Maritime Organization under UN. However, due to distinct differences between each systems force shipmates to familiarize again on the new system. It is easy to standardize the function of each equipment but this can bring an adverse effect which is limiting the ability of the equipment. Therefore, the designated international working group decided to set a list of functions that are required to be standardized. This paper will conduct experiment and analysis on time used on each equipment for major tasks and explain the result. The experiment is based on relevant regulations and used three types of ship navigation simulators for the time consumption assessment to achieve the given tasks.
문화적 도시재생을 활용한 문화관광지 사례 연구 : 일본 야네단 마을을 중심으로
정지은(Jung, Jieun),김미정(Kim, Mijeong),정다은(Jeong, Daeun) 한국문화산업학회 2020 문화산업연구 Vol.20 No.3
본 연구의 목적은 지역 정체성을 통해 문화적 재생을 실현한 야네단 마을 사례를 분석하여, 향후 우리나라의 문화적 도시재생을 진행하기 위한 시사점을 도출하는 것이다. 본 연구를 통해 얻은 결과는 다음과 같다. 첫째, 마을에서 문화적 도시재생이 이루어지기 위해서는 주민들의 자발적이고 주도적인 협업 관계 구축이 중요하다. 둘째, 마을의 자원을 활용한 상품 개발 및 판매를 통해 주민들이 자치적으로 재원 조성을 확보하여, 주민 개개인의 수익 환원으로 연결되는 선순환체계가 구축되어야 한다. 셋째, 문화적 도시재생에 있어서 문화예술은 단순히 마을에서 향유되는 역할이 아니라 마을의 문제를 진단하고, 문화예술을 통해 해결해나가는 과정이 중요하다. 마지막으로 마을의 지속가능한 생태계를 유지하기 위해서 주민들을 위한 복지와 기획자·교육자 등 전문 인력 양성을 위한 시스템이 필요하다. 본 연구는 문화적 도시재생을 활용한 야네단 마을의 시사점을 살펴봄으로써, 문화산업 현장과 학술에 지침을 제공하는데 시사점을 가진다. The aim of this study presents key implications for promoting cultural urban regeneration in Korea by analysis of Yanedan village, which realized cultural regeneration through regional identity. Its summaries and implications are as followed: first, it is important to establish voluntary and proactive cooperative relationships among residents, for cultural urban regeneration in the village. Second, a virtuous cycle system should be established that leads to the return of individual residents’ profits by self-governing funding through the development and sale of products using village resources. Third, culture and arts in cultural urban regeneration are not simply the role enjoyed by the village, but the process of diagnosing village problems and solving them through culture and arts is important. Finally, the system is needed for welfare of residents and fostering professional manpower such as planners and educators, in order to maintain the sustainable ecosystem of the village. This study has implications in providing guidelines to the cultural industry and academics by looking at the implications of Yanedan village using cultural urban regeneration.