친환경 농업의 문제점과 개선방안 (홍동면 오리농법을 중심으로)

고현아,윤미예 고려교육정책학회 2005 고려교육정책학 Vol.4 No.1

초등 과학영재학생들이 선정한 자유탐구활동 주제 분석

고현아 국제과학영재학회 2021 국제과학영재학회지 Vol.7 No.1

이 연구의 목적은 초등 과학영재학생들이 선정한 자유탐구활동 주제의 분석을 통해 학생들이 선호하는 탐구 활동 주제의 경향을 알아보고, 학생들의 성공적인 자유탐구활동을 위해 탐구주제 탐색 단계에서 교사가 어떤 역할을 해야 하는지 도움을 주기 위함이다. 이번 연구를 위해 S교육대학교 과학영재교육원에 다니고 있는 초등 과학영재학 생들이 제출한 과학탐구노트를 분석 대상으로 하였으며, 학생들이 선정한 탐구주제를 탐구 영역, 탐구 목적, 탐구 적합 여부로 나누어 분석하였다. The purpose of this study is to explore the trends of students’ preferred themes through the analysis of the open inquiry activities theme, and find out what role teachers should play in the exploratory phase for students’ successful inquiry activities. For this study, scientific research notes submitted by scientifically gifted elementary school students were investigated. The theme selected by the students were analyzed based on type, the purpose of exploration, and the suitability of open inquiry activity.

제주 타타리메밀의 침출 조건에 따른 제주 타타리메밀침출차의 이화학적 특성 및 생리활성

고현아,박현주,강인혜 한국응용생명화학회 2022 Journal of Applied Biological Chemistry (J. Appl. Vol.65 No.4

본 연구에서는 제주 타타리메밀을 이용하여 침출 온도(60, 80, 100 oC)에 따라 이화학적 특성 및 생리활성도를 비교하여 제주타타리메밀의 최적의 침출조건을 설정하고자 하였다. 제주 타타리메밀의 침출 온도가 높을수록 갈변도가 증가함(60 oC: 0.05, 80 oC: 0.09, 100 oC: 0.10)을 확인하였으나 pH에는 유의적 변화가 없었다. 총폴리페놀 함량은 60 oC 침출보다 80 oC에서 그 함량이 높았으나, 오히려 100 oC 침출 온도에서는 유의적으로 감소하였다(60 oC: 17.06mg GA/g, 80 oC: 20.09mg GA/g, 100 oC: 18.45mg GA/g). 플라보노이드(60 oC: 18.95mg catechin/g, 80 oC: 20.80 mg catechin/g, 100 oC: 25.07 mg catechin/g) 및 Rutin (60 oC: 0.08 mg/g, 80 oC: 0.08 mg/g, 100 oC: 0.09 mg/g)은 온도가 증가할수록 그 함량이 증가하였다. DPPH 라디칼 소거 활성(60 oC: 41.88%, 80 oC: 46.01%, 100 oC: 46.80%) 및 tyrosinase 저해 활성(60 oC: 9.38%, 80 oC: 22.94%, 100 oC: 28.17%) 또한 온도가 증가함에 따라 유의적으로 높게 나타났으나 DPPH 라디칼 소거활성의 경우 80와 100oC의 유의적인 차이는 없었다. 마우스 대식세포(Raw264.7)에 제주 타타리메밀 침출액을처치하여 세포 독성 실험을 수행한 결과 100 oC 추출물의 100, 200 μg/mL 처치는 생존율을 유의적으로 증가시켰고 그 외 조건에서는 유의적 차이가 없어 추후 항염증 효과를 측정하기 위한 기초데이터로 사용되어 질 것이다. 본 연구에서는 대부분의생리활성물질과 항산화능, tyrosinase 저해정도가 온도가 높을수록 증가하는 것으로 나타났으나, 항산화능을 가진것으로 알려진폴리페놀의 함량이 100 oC 침출 온도 에서는 유의적으로 감소하였던 점, 그리고 타 연구들에서 지나치게 높은 농도에서의 침출은 종합적 기호도가 낮아졌다는 점을 감안할 때 최적의 침출조건은 80 oC인 것으로 예측되었다.

3D프린터를 활용한 가죽 물성형 연구 -형태 실험을 중심으로-

고현아,이광선 한국기초조형학회 2023 기초조형학연구 Vol.24 No.6

In the current field of leather crafts, the utilization of 3D printers in the production of wet mold leather molds has reduced costs and expanded the range of forms that can be created. However, despite this, wet mold leather forms remain similar to the past, and research on wet mold leather forms is still lacking. As a result, there was a demand for additional form studies. Therefore, the purpose of this paper is to present forms that can be expressed in wet mold leather, propose efficient methods for wet mold leather, and diverse applications of the wet mold leather molds. The experimental method first involved investigations on the leather used in wet mold leather, materials for the mold, and pressure application methods. Based on this, a suitable method for this study was selected. Subsequently, the experimental contents are as follows: 1)An experiment to explore the potential for expressing leather through various form attempts. 2)An experiment introducing changes in the wet mold leather mold method to find an efficient wet mold leather technique. 3)An experiment to investigate how changes in leather thickness affect the sharpness and durability of the results. The experimental results are as follows: 1)It was formed clearly even on sharp edges, off-sets, and vertical shapes. 2)Wet mold leather molding and engraving can be done simultaneously. 3)Different sizes and shapes can be molded with a single wet mold leather mold. 4)If a shape allows for wet mold leather with pressure only at the edges, opening the top of the mold can reduce material consumption and drying time. 5)Sharpness and durability vary depending on the thickness of the leather. Therefore, it is important to use leather of the appropriate thickness according to the size of the molded shape. The expected outcome of this research is active wet mold leather applications within the field of leather crafts and, furthermore, the creation of innovative and original artworks.

Tensions between Sovereigns’ Morality and Competence in The Duchess of Malfi

고현동 현대영미어문학회 2018 현대영미어문학 Vol.36 No.2

This paper attempts to analyze John Webster’s The Duchess of Malfi, particularly the ways in which the playwright broadens the boundary of political issues of the period over principality by staging three different types of sovereigns in the play. Of the three sovereigns, however, this paper mainly focuses on the secularized spiritual leader in a politically theological state and the autonomous female ruler within a patriarchal society because each symbolizes the limitations of political theology and realpolitik, respectively. Eventually, both fail to hold dominion over their realms, and their failure reflects the nature of power structure in the period, the intertwined socio-political conflicts caused by power abuse, gender discrimination, and obsessive class distinction. Hence, Webster first emphasizes the corrupted spiritual prince’s pervasively corrosive impact on his state and his own family and then the process of the Cardinal and Ferdinand’s intrusion on the Duchess’s public self by oppressing her private self. In such ways, Webster explores the tensions between a sovereign’s morality and competence by portraying the fall of the Aragonian siblings.

신라 원화제 시행의 배경과 성격

고현아(Ko Hyun-ah) 한국역사연구회 2008 역사와 현실 Vol.- No.67

Implementation of the Wonhwa system is closely related to the regency of Lady Jiso. On behalf of King Beopheung on his waning years, King Ipjong Galmun died after one year of acting on behalf of the previous king, Lady Jiso practically was in control of power. Lady Jiso was represented the kingship until King Beopheung died and she was in regency on behalf of King Jinheung. At that time, the power of Lady Jiso as the queen had to with the right to the religious service. Wonhwa system had the characteristics of a woman official to assist the women priest and it was likely to take the role of private political organization of Lady Jiso who was in need of securing broad human relationships needed to act on the political arena. However, even if the traditional background of Lady Jiso was able to manipulate in politics, the shamanism ideology was not enough to rule Silla. Consequently, the time of regency by Lady Jiso could be considered as the final stage of shamanistic ceremonial sphere. Wonhwa that was the foundation for Lady Jiso was the cause of conflict between Lady Jiso and the noble class of the time. After the abolition of the Wonhwa system, the change to the National Selection System for Hwarang was the byproduct of compromise between the kingship and the controlling class. Consequently, securing of human foundation through Hwarang was organized as the private foundation of noble class; however, looking into the principle or systematic view, they also had the role of political foundation for the king.

천연 고분자가 함유된 락타이드 글리콜라이드 공중합체 필름에서 슈반세포의부착과 증식 거동 비교평가

고현아(Hyun Ah Go),장지은(Ji Eun Jang),김형석(Hyeong Seok Kim),박찬흠(Chan Hum Park),권순용(Soon Yong Kwon),정진화(Jin Wha Chung),강길선(Gil Son Khang) 한국고분자학회 2014 폴리머 Vol.38 No.2

본 연구에서는 신경세포인 슈반세포(SC)의 증식에 가장 적합한 생체재료를 연구하였다. 락타이드 글리콜라이드 공중합체(PLGA)에 탈미네랄 골분(demineralized bone particle, DBP), 소장점막하조직(small intestine submucosa,SIS), 그리고 실크를 각각 20% 첨가하여, 용매 증발법으로 각각의 필름을 제조하고, SC세포의 부착과 증식을 확인하기 위해 MTT, SEM 그리고 RT-PCR 분석을 실시하였다. 또한 필름의 친수성을 확인하기 위해 접촉각을 측정하였다. 분석 결과, PLGA/DBP 20% 필름에서 높은 친수성을 보였으며, SC의 부착과 증식률이 다른 군에 비해 크게증가한 것을 확인할 수 있었다. 따라서 PLGA/DBP 필름은 중추신경재생 재료로 활용할 수 있을 것으로 사료된다. This study was designed to find an appropriate biomaterial to proliferate Schwann cell (SC). Poly(lactic-co-glycolic acid) (PLGA) films mixed with demineralized bone particle (DBP), small intestine submucosa (SIS), and silk were fabricated by a solvent casting method. Analysis of MTT, SEM and RT-PCR were performed to confirm adhesion and proliferation of SC. Contact angle of films was assayed for hydrophilicity of films. We confirmed that PLGA/DBP 20% film showed higher hydrophilicity, promoted adhesion and proliferation of SC than other films. It was concluded that PLGA/DBP film can be applied for the scaffold biomaterials for the regeneration of central nerve system.

Masculine Spectrum in Colonial Settings in An Outpost of Progress and Victory

고현동 현대영미어문학회 2023 현대영미어문학 Vol.41 No.3

This paper aims to explore what Joseph Conrad try to depict about colonial settings in An Outpost of Progress and Victory as well as to what extent the two narratives share. In addition, this paper tries to present what the film directors want to represent in their adaptations of the two Conradian stories, exploring what we can see while comparing the texts and the adaptations. As in his well-known novel The Heart of Darkness, Conrad cynically exposes the hollowness of imperialism and a darker impact of the aggressive expansionism of the European empires on the male agents of the empires of his time in these two stories. In many respects, particularly, An Outpost of Progress and Victory demonstrate two kinds of masculine spectrum in colonial settings, the colonizer and the colonized. Through the degenerated white males, therefore, Conrad emphasizes the influence of the colonial illusion, which resultantly affects the colonized other as well.

푸드아트테라피가 청각장애청소년의 자기효능감과 사회성에 미치는 효과

고현,신명신 한국예술심리치료학회 2013 예술심리치료연구 Vol.9 No.4

본 연구는 언어 및 의사소통의 장애를 가진 청각장애청소년을 대상으로 음식이라는 매체를 통해 자신의 감정이나 능력을 표현할 수 있는 푸드아트테라피가 이들의 자기효능감 및 사회성 개선에 유의한 효과가 있는지를 검증하는데 목적을 두었다. 연구대상은 G광역시에 복지센터에 다니는 청각장애청소년 5명을 대상으로 주1회, 90분간, 총 12회기를 실시하였다. 청각장애청소년의 자기효능감 및 사회성 변화를 알아보기 위해 양적분석으로는 SPSS WIN 프로그램을 이용하여 비모수검증인 Wilcoxon 부호순위검증을 실시하였고, 질적분석으로는 각 회기의 모든 활동들을 관찰 및 기록 분석하였다. 본 연구의 주요결과는 다음과 같다. 푸드아트테라피는 청각장애청소년의 자신감, 자기조절효능감, 과제난이도와 같은 자기효능감 향상과 협력, 자기주장, 자기통제와 같은 사회성 향상에 유의한 변화가 나타났다. 연구 대상의 수가 적어 연구결과를 일반화하기에는 제한점이 있지만 청소년의 사회․정서적 안정을 위해 음식을 매개체로 한 푸드아트테라피라는 심리 치료 프로그램을 학교 및 교육현장에 적극 활용할 필요성이 있음을 시사하고 있다. FAT(food art therapy) is a psychical therapy. It is a new therapy integrating play, education, culture, art and healing through creative art activities with food. The object of this research is to help hearing impaired adolescents develop their self-efficacy and sociability through FAT program. The object group of this FAT program is hearing impaired five adolescents in G city welfare center. FAT program is held once a week, 90 minutes per session, and 12 sessions for all. Summarization of the result of this research is as follows. First, FAT program was proven to have an effect for enhancement of adolescent's self efficacy. Namely, there were significant difference between before and after test result in the area of self-efficacy. Second, FAT program was proven to have an effect for enhancement of adolescent's sociability. Namely, there were significant difference between before and after test result in the area of sociability. Therefore, FAT program have been shown to be an effective program for hearing impaired adolescent's improvement of self-efficacy and sociability. The FAT program should increase to help improve the self-efficacy and sociability of hearing impaired adolescent in school field.

유아의 문제행동 특성 연구 - 광주·전남지역을 중심으로

고현,정선주 한국예술심리치료학회 2008 예술심리치료연구 Vol.4 No.1

The present study purposed to examine problem behaviors of young children around Gwang-ju․Jeonnam area, classified by gender, age and place of residence. For this purpose, we used Goh Hyun (2008) Problem Behavior Scale for Children (PBRSC) and measured problem behaviors of 316 young children aged between 3~5. According to the results, among the young children in this area, boys showed a higher mean score of problem behaviors than girls but the difference was not statistically significant. Second, among the young children in the Gwang-ju․ Jeonnam area, problem behaviors showed statistically significant difference depending on age. By subarea, five‐year‐old children showed lower mean scores than threeand four‐year‐old ones in ‘roblem behaviors related to peer relation,’ ‘problem behaviors related to development,’‘roblem behaviors related to basic life habits’and ‘roblem behaviors related to morality.’® Third, children’ problem behaviors did not show statistically significant difference according to place of residence. Accordingly, it is concluded that children’ problem behaviors are not varied with gender or place of residence, but with age. The results of this study suggest the necessity for developing educational interventions in Gwangju․Jeonnam young children’ problem behaviors, and provide basic materials for identifying the patterns of problem behaviors according to gender, age and place of residence and setting directions for the development of required educational activities.