인터페이스 디자인에 나타난 한국적 스타일 연구

안선아(Ahn Sunah) 한국디지털디자인학회 2004 디지털디자인학연구 Vol.4 No.2

ON STABLY FREE MODULES OVER LAURENT POLYNOMIAL RINGS

Kim, Sunah,Ahn, Byoung Kon 朝鮮大學校 自然科學硏究所 1995 自然科學硏究 Vol.18 No.1

Study on the product design of assistive device for disabled children through service design methodology

Suhyun Baek,Sunah Kim,Jungyoon Ahn 대한인간공학회 2014 대한인간공학회 학술대회논문집 Vol.2014 No.5

As the social environment gets increasingly complicated, the population of people with congenital or acquired disabilities increases. Against this backdrop, there is a critical need to expand the use of assistive devices and find effective measures that can support the disabled to perform activities. Assistive devices are usually used in the context of mutual relations between disabled people and non-disabled people who help the disabled perform activities, such as family members, activity assistants and nursing teachers. Thus, designers should understand the contextual environment where devices are used, to provide satisfactory experiences for all users, not only those with disabilities but also those without. The purpose of this study is to examine the user environment for assistive devices for children with physical disabilities (hereinafter referred to as disabled children), the age group that accounts for a significant portion of the disabled population, through the ‘double-diamond’ model for service design, to explore the needs of potential users and to incorporate the results in the engineering of products. Through observational methods, the study found that assistive devices should be designed taking into account the needs of not just disabled children but also non-disabled people who directly interact with the children. It also found that product design should be able to provide multilateral utility and alternative usability depending on the characters of physical activities of disabled children. Through the study, a product reflecting such needs was designed and built into a mock-up and an assessment was implemented based on the rubric criteria.

Study on the Product Design of Assistive Devices for Disabled Children through Service Design Methodology (With focus on the exploration of user needs through observational methods for service design)

( Suhyun Baek ),( Sunah Kim ),( Jungyoon Ahn ) 한국감성과학회 2014 춘계학술대회 Vol.2014 No.-

As the social environment gets increasingly complicated, the population of people with congenital or acquired disabilities increases. Against this backdrop, there is a critical need to expand the use of assistive devices and find effective measures that can support the disabled to perform activities. Assistive devices are usually used in the context of mutual relations between disabled people and non-disabled people who help the disabled perform activities, such as family members, activity assistants and nursing teachers. Thus, designers should understand the contextual environment where devices are used, to provide satisfactory experiences for all users, not only those with disabilities but also those without. The purpose of this study is to examine the user environment for assistive devices for children with physical disabilities (hereinafter referred to as disabled children), the age group that accounts for a significant portion of the disabled population, through the ``double-diamond`` model for service design, to explore the needs of potential users and to incorporate the results in the engineering of products. Through observational methods, the study found that assistive devices should be designed taking into account the needs of not just disabled children but also non-disabled people who directly interact with the children. It also found that product design should be able to provide multilateral utility and alternative usability depending on the characters of physical activities of disabled children.

An experimental study of material characteristics of lime mortars used for Namhansanseong Yeojang

Eun-kyung Kim,Sunah Ahn,Soyeong Kang 한국분석과학회 2017 학술대회논문집 Vol.2017 No.11

Determination of traces of organic additives in traditional lime mortars

Soyeong Kang,Eun-Kyung Kim,Sunah Ahn,Byeong Jik Nam,Sang-Eun Kim 한국분석과학회 2017 학술대회논문집 Vol.2017 No.11

융복합교육 프로그램 구성을 위한 기초 연구

이선경(Sun-Kyung Lee),구하라(Hara Ku),김선아(Sunah Kim),김시정(Si-Jung Kim),문종은(Jong-Eun Moon),박영석(Young-Serk Park),신혜원(Hye-Won Shin),안성호(Sung-Ho Ahn),유병규(Byung-Gyu Yoo),이삼형(Sam-hyung Lee),이승희(Seung-Hee Lee),이은연( 학습자중심교과교육학회 2013 학습자중심교과교육연구 Vol.13 No.3

본 연구에서는 융복합교육 관련 선행 연구의 문헌 고찰을 통해 융복합교육 프로그램 구성틀을 이론적 차원에서 구안하고 이를 실제 학교 현장에서 융복합교육으로 실행되었던 사례의 분석에 적용해 봄으로써 이 구성틀의 적용 가능성을 탐색하였다. 사례 분석을 위하여 학교 현장에서 실행된 융복합교육 사례 중 융복합교육의 다양한 접근 방식을 대표할 수 있는 세 가지 사례를 선정하였다. 이러한 사례 분석을 통해 이론적 수준에서 개발된 융복합교육 프로그램 구성틀을 구성하는 요소들의 교육적 의미를 실제적 맥락에서 검토해보고 구성틀이 적용되는 방식을 구체적으로 확인해 봄으로써 구성틀의 적용가능성과 확장 방향을 탐색하였다. 이러한 시도는 학교 현장의 융복합교육에 구체적으로 활용이 가능한 실제적 지침으로 제시될 수 있다. As an effort to develop a framework for helping teachers prepare yungbokhap education programs for their own classrooms, this study conducts an extensive, critical review of literature on issues around how to develop yungbokhap education programs.6) Based on a comprehensive program development model that has evolved from our literature review, we have applied our framework to analyze several exemplary cases of yungbokhap education. Our analysis suggests that the framework is highly useful to draw our analytic attention to a range of elements that constitute the central characteristics of yungbokhap education. This paper also discusses some potential limitations of the framework and calls for future research to both expand and elaborate the framework.

Euglena gracilis 추출물의 면역조절 및 생리활성 분석

유선녕(Sun Nyoung Yu),박보배(Bo Bae Park),김지원(Ji Won Kim),황유림(You Lim Hwang),김상헌(Sang Hun Kim),김선아(Sunah Kim),이태호(Taeho Lee),안순철(Soon Cheol Ahn) 한국생명과학회 2021 생명과학회지 Vol.31 No.2

본 연구에서는 다양한 생리활성을 나타내는 compound를 함유하고 있는 것으로 알려진 Euglena gracilis를 hot water로 추출하고(HWE), 그 잔존물을 methanol로 추출(HWME)한 후, murine macrophage RAW 264.7 cell에 처리하여 면역활성을 측정하였다. Murine macrophage RAW 264.7 cell에서 HWE 처리로 IL-1β와 TNF-α가 농도의존적으로 증가되었고, lipopolysaccharide에 의해 유도되는 IL-6와 TNF-α 생성이 HWME 처리에 의해 유의적으로 억제되는 것을 확인하였다. 또한 α-glucosidase, protein tyrosine phosphatase (PTP1B), tyrosinase, xanthine oxidase(XO), angiotensin converting enzyme (ACE) 등에 대한 저해활성을 조사하였다. 그 결과, E. gracilis HWE 추출물에서는 α-glucosidase, tyrosinase, ACE에서 약한 억제 활성을 보였으나, HWME 추출물에서는 PTP1B와 XO에서 유의적인 억제활성을 나타냈다. 따라서 본 연구를 통하여 E. gracilis 추출물의 면역조절 활성 뿐 만 아니라 당뇨와 심혈관 질환에 대한 유의적인 억제활성을 통해 다양한 건강기능성 식품의 소재로 활용될 수 있을 것으로 사료된다. Euglena gracilis is a microalga of great biotechnological interest that can create high levels of bioactive compounds, such as tocopherol, paramylon, and folic acid. The objective of this study was to investigate the biological activities of extracts from E. gracilis, especially those focused on immunological activity. E. gracilis biomass was extracted with hot water (HWE) and the remaining pellet was continuously extracted with methanol (HWME). First, we examined the effect of two extracts from E. gracilis on the production of nitric oxide (NO) and the expression of pro-inflammation cytokines, including IL-1β, IL-6, and TNF-α in murine macrophage RAW 264.7 cells. HWE treatment dose-dependently increased the production of IL-1β and TNF-α. On the other hand, treatment with HWME significantly decreased the generation of NO and pro-inflammatory cytokines (IL-6 and TNF-α) in lipopolysaccharide (LPS)-stimulated macrophage cells. In addition, other biological activities of the extracts were further analyzed: α-glucosidase inhibition, protein tyrosine phosphatase (PTP1B) inhibition, tyrosinase inhibition, xanthine oxidase (XO) inhibition, and angiotensin-converting enzyme (ACE) inhibition. Analysis of these biological activities showed that HWE has more inhibitory effects than HWME against α-glucosidase, tyrosinase, and XO agents. However, the inhibition of PTP1B and ACE with HWME were higher than with HWE. Taken together, the results suggested that E. gracilis possesses various biological activities-especially immunological capabilities-through regulation of cytokine production. Therefore, E. gracilis extract may be potentially useful for food material with immune-regulating effects.