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      • SCOPUSKCI등재
      • KCI등재

        식품 내 벤조피렌 분석법의 기존 연구동향 및 라만분광법 기반기술 전망

        이미현 ( Mihyun Lee ),이소윤,김현연 ( Xuanyan Jin ),최대식 ( Daesik Choi ),이한주 ( Hanju Rhee ),이진규 ( Jinkyu Rhee ) 한국미생물생명공학회(구 한국산업미생물학회) 2015 한국미생물·생명공학회지 Vol.43 No.3

        With a view to supporting the provisions of the current Korean food code for the detection of Benzo[a]pyrene, various analytical methods of detection in foods were evaluated and established in terms of linearity, limits of detection/quantitation, efficiency, and accuracy, amongst others. It was observed that to improve the technologies involved in the application of these methods, complicated and combined preparation processes of foods, including extraction, separation and purification, have been the main focus of efforts at optimization. Recently, on-site quick reaction for the detection of hazardous substances in the environment and food materials aims at developing simplified examination processes, such as lable-free and non-invasive technological analysis, to reduce the costs and time involved in the examination. Herein, current benzo[a]pyrene detection methods are reviewed in addition to new Raman spectroscopy-based trials established to pursue improve the speed, simplicity and suitability of testing.

      • KCI등재

        청소년의 성에 따른 완벽주의 및 부모·또래애착이 우울에 미치는 영향

        이미현(Lee, Mihyun) 한국청소년정책연구원 2014 한국청소년연구 Vol.25 No.4

        본 연구는 청소년의 성에 따라 완벽주의 및 부모·또래애착이 우울에 미치는 영향을 알아보기 위한 목적으로 수행되었으며 연구대상은 경기 지역 4개 중학교에 재학 중인 2, 3학년 학생 420명(남학생 192명, 여학생 228명) 이었다. 변인의 일반적 경향의 성에 따른 차이를 알아보기 위해 t 검증을 실시하였으며 변인 간 관계를 알아보기 위해 Pearson의 적률상관계수를 산출하였고 변인들의 상대적 영향력을 알아보기 위해 위계적 회귀분석을 실시하였다. 결과는 첫째, 완벽주의와 부모·또래애착, 우울에 있어 성차를 살펴본 결과, 여학생의 자기지향 완벽주의와 또래애착의 평균 점수가 남학생보다 유의미하게 높았다. 둘째, 완벽주의 및 부모·또래애착과 우울 간 상관관계를 살펴본 결과, 남녀학생 모두 자기지향 완벽주의, 타인지향 완벽주의, 부모·또래애착이 높을수록 우울이 낮았고 사회지향 완벽주의가 높을수록 우울이 높았다. 셋째, 남학생의 완벽주의 및 부모·또래애착이 우울에 미치는 상대적 영향력을 살펴본 결과, 사회지향 완벽주의, 자기지향 완벽주의, 부모애착, 또래애착 순으로 우울에 영향을 미쳤으며 우울의 32.5%를 설명하였다. 넷째, 여학생의 완벽주의 및 부모·또래애착이 우울에 미치는 상대적 영향력을 살펴본 결과, 또래애착, 부모애착, 사회지향 완벽주의, 타인지향 완벽주의 순으로 우울에 영향을 미쳤으며 우울의 43%를 설명하였다. 결론적으로, 남학생의 경우 자기지향 완벽주의, 부모애착, 또래애착이 높고 사회지향 완벽주의가 낮을수록 우울이 감소했으며, 여학생의 경우 또래애착, 부모애착, 타인지향 완벽주의가 높고 사회지향 완벽주의가 낮을수록 우울이 감소했다. This study sought to investigate the effects of adolescents’ perfectionism, parent and peer attachment on depression according to gender. The results were as follows: First, male adolescents’ depression was affected (in the following order) by socially-prescribed perfectionism, self-oriented perfectionism, parent attachment and peer attachment. These variables helped account for 32.5% of male adolescents’ depression. Second, female adolescents’ depression was affected (in the following order) by peer attachment, parent attachment, socially-prescribed perfectionism and other-oriented perfectionism. These variables helped account for 43% of female adolescents depression. In conclusion, in the case of male adolescents, the higher the levels of self-oriented perfectionism, parent and peer attachment were, the lower the levels of depression and the higher the levels of socially-prescribed perfectionism were, the higher the levels of depression. In the case of female adolescents, the higher the degree of peer and parent attachment, and other-oriented perfectionism were, the lower the level of depression and the higher the level of socially-prescribed perfectionism, the higher the levels of depression.

      • KCI등재

        한국 성인의 심폐체력과 의료이용행태 및 의료비의 관련성: 국민체력100 사업 건강체력 기준을 바탕으로

        이승희 ( Seunghee Lee ),이효진 ( Hyojin Lee ),오인환 ( In-hwan Oh ),정현경 ( Hyeon-kyoung Cheong ),이미현 ( Mihyun Lee ),박세정 ( Saejong Park ) 한국운동생리학회 2021 운동과학 Vol.30 No.4

        PURPOSE: This study aimed to determine the association between cardiorespiratory fitness (CRF) and healthcare utilization and healthcare costs in Korean adults using criterion-referenced health fitness thresholds. METHODS: The sample was drawn from the Korea Institute of Sport Science Fitness Standards Study (2014-2015) participants (n=1,780) aged 19-64 years. Participants completed a treadmill exercise test in which the peak oxygen uptake was estimated from the treadmill time. CRF thresholds were identified using receiver operating characteristic curve analysis using CRF z-scores as the test and metabolic syndrome as the criterion. The participants were categorized into low-, middle-, and high-risk groups. Healthcare utilization and healthcare costs, derived from the Korea National Health Insurance Data Sharing Service, were compared using multiple linear regression with control for body mass index (BMI), income, healthcare utilization, and healthcare costs in the previous year. RESULTS: In this study, two CRF thresholds were established: one for high sensitivity, the other for high specificity. CRF thresholds at the low-risk group were 35.2-42.6 mL/kg/min for men and 26.8-34.3 mL/kg/min for women. The total healthcare costs per participant per year for the middle- and high-risk groups were 173,016 Won and 324,840 Won, respectively, higher than those in the low-risk group after the adjustment for BMI, income, healthcare utilization, and costs in the previous year (p=.006, p<.001). The high-risk group had 2.890 visits, 3.177 visit days, and 27.215 prescription days, all of which were significantly higher than those of the low-risk group (p=.003, p=.003, p=.002). CONCLUSIONS: A low CRF is associated with higher healthcare utilization and costs. Improving CRF may result in lower healthcare utilization and costs.

      • KCI등재

        유-초 연계를 위한 어머니의 유아교사 역할기대와 양육효능감 간의 관계

        이유미(Lee, Yumi),이미현(Lee, Mihyun) 학습자중심교과교육학회 2017 학습자중심교과교육연구 Vol.17 No.13

        본 연구는 유아교육과 초등교육 간의 바람직하고 효율적인 연계를 통해 발달에 적합하면서도 질 높은 교육이 이루어지도록 어머니가 기대하는 유아교사의 역할에 대해 알아보고 어머니 양육효능감과의 차이 및 관계를 분석하는 것에 목적이 있다. 이를 위해 경기도 S시에 소재한 유치원과 어린이집 만5세 자녀의 어머니 386명을 대상으로 유아교사 역할 평정척도, 어머니 양육효능감 평정척도를 사용하여 2017년 1 월 2일부터 5주간 설문조사를 실시하였다. 연구결과는 다음과 같다. 첫째, 어머니는 유-초 연계를 위한 유아교사 역할에 대해 사회정서지원, 기본생활습관지도, 부모와의 협력, 학습능력향상, 교수계획의 순으로 기대하는 것으로 나타났으며 모든 면에서 보통 수준보다 높게 기대하는 것으로 나타났다. 둘째, 유-초 연계를 위한 유아교사 역할기대는 어머니 양육효능감 수준에 따라 차이가 나타났으며 양육효능감 수준이 높은 어머니일수록 교사 역할을 높게 기대하는 것으로 나타났다. 셋째, 유-초 연계를 위한 유아교사 역할기대와 어머니 양육효능감은 정적 상관관계를 보였다. 본연구는 유-초 연계를 위한 유아교사 역할기대는 어머니의 양육효능감에 따라 차이가 있으며 어머니의 양육효능감과 정적 관계가 있음을 파악하여 보다 원활한 유-초 연계교육을 위해서는 어머니의 양육효능감을 높이고 가정과 유아교육기관의 연계 또한 필요하다는 결과를 밝혀내었다는 데 의의가 있다. The purpose of this study is to investigate the role of early childhood teachers that mothers expect for education suited for development and education of high quality through desirable and effective continuity between early childhood and elementary education, and analyze the relationship between the role and mothers’ parenting efficacy. For the foregoing, this study conducted a survey using rating scales for early childhood teachers role and mothers’ parenting efficacy targeting 386 mothers of 5-year old children enrolled in kindergartens and day care centers located in S city, Gyeonggi-do. Study results are as follows. First, with respect to the role of early childhood teachers for continuity between kindergarten and elementary school, results show that mothers expect in order of support for social emotion, guidance on the basic living habits, cooperation with parents, improvement of learning ability and teaching plan, and expect higher than average level in all aspects. Second, expectation level of early childhood teachers role for continuity between kindergarten and elementary school differed according to the level of mothers’ parenting efficacy, and mothers with higher level of parenting efficacy have higher expectation level for teachers’ role. Third, expectation level for early childhood teachers role for continuity between kindergarten and elementary school and mothers’ parenting efficacy showed a positive correlation. This study is considered meaningful in the way that it produced a result that levels of expectations for early childhood teachers role for continuity between kindergarten and elementary school differ according to mothers’ parenting efficacy, and it is necessary to raise mothers’ parenting efficacy and connection of home and institution is also needed for smooth continuity between kindergarten and elementary school education by understanding that level of expectations for early childhood teachers role and mothers‘ parenting efficacy have a positive correlation.

      • KCI등재

        유-초 연계를 위한 유아교사 역할 인식과 실행 간 차이 분석 : 유아교사의 전문성 수준별 비교

        이유미(Lee Youme),이미현(Lee Mihyun) 학습자중심교과교육학회 2017 학습자중심교과교육연구 Vol.17 No.24

        본 연구에서는 유-초 연계를 위한 유아교사 역할에 대한 유아교사들의 인식과 실행 간 차이가 어떠한 양상을 보이는지 유아교사의 전문성 수준별로 비교 고찰하였다. 이를 위해 서울과 경기도에 소재한 유치원과 어린이집 만5세반 교사 213명을 대상으로 설문조사를 실시하였으며 SPSS를 활용한 중요도-실행도 분석(IPA)을 주요 연구방법으로 사용하였다. 연구결과는 다음과 같다. 첫째, 유-초 연계를 위한 유아교사 역할의 실행정도는 중요성에 대한 인식정도에 비해 전체적으로 유의하게 낮은 것으로 나타났다. 둘째, 유아교사의 전문성 수준별로 역할의 인식과 실행을 비교한 결과 전문성 상·하 집단 간 유-초 연계를 위한 유아교사 역할의 인식과 실행 모든 영역에서 유의한 차이가 나타났다. 셋째, 유-초 연계를 위한 유아교사 역할에 대한 중요도-실행도 분석(IPA) 결과, 전문성 상·하 집단 모두 공통적으로 사회정서 지원 및 기본생활습관 지도는 인식도와 실행도가 모두 높아 현행 수준을 유지해도 좋으나, 학습능력 향상 및 교수계획은 인식도와 실행도가 모두 낮아 이들 역할에 대한 인식개선이 시급한 것으로 나타났다. 한편, 부모와의 협력은 전문성 상·하 집단 간 상이한 양상을 보였으며 전문성 하 집단의 경우 인식도와 실행도 모두 취약한 것으로 나타났다. 이상의 연구결과를 토대로 유초연계를 위한 유아교사 교육프로그램의 개선방향에 대해 제안하였다. This study intends to examine the aspect of the difference of the perception and the practice of roles of early childhood teacher for the continuity between nursery and primary education compared by the degree of professionalism of early childhood teacher. A survey was conducted for the study aimed at 213 teachers for a class for five-year-olds working for kindergartens and day care centers located in Seoul and Gyeonggi-do, using the Importance-Performance Analysis (IPA) on which the SPSS is applied as the main research method. The results are as follows: First, the practice of roles of early childhood teacher for the continuity between nursery and primary education showed significantly lower degree in general comparing to the perception for the importance; second, as a result of the comparison by the degree of professionalism of early childhood teacher, there was a significant difference displayed in both the recognition and the practice of roles of early childhood teacher for the continuity between nursery and primary education between the high professionalism group and the low professionalism group; and third, as a result of the Importance-Performance Analysis (IPA) on the roles of early childhood teacher for the continuity between nursery and primary education, the both groups showed high degree of perception and practice in socioemotional support and basic life habit guidance, which indicates that the existing standard may be maintained, whereas their perception for their roles should be urgently improved as low figures was showed in learning ability improvement and teaching plan. Meanwhile, the both groups showed a different aspect in support with parents, and the low professionalism group in particular suggested that it is weak in both the degree of perception and practice. Based on the outcomes above, this study suggests the direction of improvement of the educational program for early childhood teacher for the continuity between nursery and primary education.

      • KCI등재

        3D 프린팅 기술과 미래식품산업의 응용

        윤형선(Hyung-Sun Yoon),이미현(Mihyun Lee),김현연(Xuanyan Jin),김수진,이소윤(Soyeon Lee),김연비,유영선(Young-Sun You),이진규(Jin-Kyu Rhee) 한국식품과학회 2016 식품과학과 산업 Vol.49 No.4

        The potentialities of 3D printing technology are discussed from technical and research-oriented perspectives for industrial manufacturing of a variety of food products. Currently, 3D printing technology has advanced to enable us to process or cook innovative foods. However, food-based materials for 3D printing are still limited in terms of eating qualities, nutritional values and functionality as well as industrial production. Therefore, this uprising issue on alternative food processing techniques especially focused on the exploration of new food materials combined with these 3D printing technologies needs to be re-spotlighted, and then solved to pave the way to this innovative and sensational area of investigation with more accessibility. In this review, previous research work and industrial applications conducted by frontier research groups in this field are covered, then to open discussion for future research on the 3D printing of food.

      • 능동 소나 해상도 향상을 위한 기법 비교

        정장원(JangWon Jung),이미현(MiHyun Lee),임성빈(Sungbin Im),이지은(Jieun Lee),박승수(Seungsoo Park) 대한전자공학회 2018 대한전자공학회 학술대회 Vol.2018 No.6

        Many studies on generating high-resolution images of seabed using active sonar have been carried out. A typical method for obtaining a high-resolution seabed image is to use a narrower beam width. But, there are technical and physical limitations to reduce the beamwidth. In this paper, the two methods for higher azimuth resolution are investigated by application to real measurement data.

      • KCI등재

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