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Shin, Jinseob,Shin, Kyomin,Lee, Hanna,Nam, Jeong-Beom,Jung, Jae-Eun,Ryu, Jee-Hyun,Han, Joo-Hyun,Suh, Kyung-Do,Kim, Yong-Jin,Shim, Jongwon,Kim, Junoh,Han, Sang-Hoon,Char, Kookheon,Kim, Yeon Kyung,Chung WILEY-VCH Verlag 2010 Advanced materials Vol.22 No.6
<B>Graphic Abstract</B> <P>A robust means of fabricating skin-penetrating and compatible nanocarriers comprising poly(D, L-lactide-co-glycolide) is reported. The resultant nanocapsules have the ability to load biologically active ingredients and selectively release them through the epidermis lipid layer. Their release of genistein (left figure) is determined to be diffusion-controlled, and they are shown to successfully deliver molecules, such as nile red (right figure), into biopsied skin samples. <img src='wiley_img/09359648-2010-22-6-ADMA200902079-content.gif' alt='wiley_img/09359648-2010-22-6-ADMA200902079-content'> </P>
Hanna Shin,Hyeyoon Eo,Yunsook Lim 한국영양학회 2016 Nutrition Research and Practice Vol.10 No.1
BACKGROUND/OBJECTIVES: Diabetes mellitus (DM) is a major chronic disease which increases global health problems. Diabetes-induced renal damage is associated with inflammation and fibrosis. Alpha (AT) and gamma-tocopherols (GT) have shown antioxidant and anti-inflammatory effects in inflammation-mediated injuries. The primary aim of this study was to investigate effects of AT and GT supplementations on hyperglycemia induced acute kidney inflammation in alloxan induced diabetic mice with different levels of fasting blood glucose (FBG). MATERIALS/METHODS: Diabetes was induced by injection of alloxan monohydrate (150 mg/kg, i.p) in ICR mice (5.5-week-old, male) and mice were subdivided according to their FBG levels and treated with different diets for 2 weeks; CON: non-diabetic mice, m-DMC: diabetic control mice with mild FBG levels (250 mg/dl ≤ FBG ≤ 450 mg/dl), m-AT: m-DM mice fed AT supplementation (35 mg/kg diet), m-GT: m-DM mice with GT supplementation (35 mg/kg diet), s-DMC: diabetic control mice with severe FBG levels (450 mg/dl < FBG), s-AT: s-DM mice with AT supplementation, s-GT: s-DM mice with GT supplementation. RESULTS: Both AT and GT supplementations showed similar beneficial effects on NFκB associated inflammatory response (phosphorylated inhibitory kappa B-α, interleukin-1β, C-reactive protein, monocyte chemotactic protein-1) and pre-fibrosis (tumor growth factor β-1 and protein kinase C-II) as well as an antioxidant emzyme, heme oxygenase-1 (HO-1) in diabetic mice. On the other hands, AT and GT showed different beneficial effects on kidney weight, FBG, and oxidative stress associated makers (malondialdehyde, glutathione peroxidase, and catalase) except HO-1. In particular, GT significantly preserved kidney weight in m-DM and improved FBG levels in s-DM and malondialdehyde and catalase in m- and s-DM, while AT significantly attenuated FBG levels in m-DM and improved glutathione peroxidase in m- and s-DM. CONCLUSIONS: the results suggest that AT and GT with similarities and differences would be considered as beneficial nutrients to modulate hyperglycemia induced acute renal inflammation. Further research with careful approach is needed to confirm beneficial effects of tocopherols in diabetes with different FBG levels for clinical applications.
Hanna Shin,Yong-Wook Kim 한국식물생명공학회 2012 Plant biotechnology reports Vol.6 No.2
The pitch-loblolly pine hybrid (Pinus rigida 9 P. taeda) has useful characteristics of the parents,but its exploitation is hindered by restrictions of conventional breeding and propagation methods. This study was undertaken to establish an effective in vitro system for propagating pitch-loblolly hybrid pine through somatic embryogenesis and to unravel the relationship between the efficiency of embryogenic tissue initiation and zygotic embryo development. To initiate embryogenic tissue,megagametophytes of developing seeds were used as explants. Seeds were collected weekly, examined, and tested during June and July 2004. The medium and seed collection date were the most important factors for the successful somatic embryogenesis of P. rigida 9 P. taeda. Five embryogenic lines were obtained using a modified P. taeda basal medium, and the highest initiation rate was 0.55%, for seeds collected in 2 weeks, between July 3 and 16. Histological observation revealed that zygotic embryos of those seeds were mostly at the proembryonic stage or in transition to precotyledonary stages. For the successful maturation of somatic embryos, abscisic acid and gellan gum were needed in the medium. The results show that,although further tests and development are required,somatic embryogenesis could provide a viable option for propagating P. rigida 9 P. taeda hybrids.
신한나(Shin Hanna),김승인(Kim Seungin) 한국디지털디자인학회 2011 디지털디자인학연구 Vol.11 No.3
This study is to improve the quality of life from the elderly's needs after researching the complaints of their current residential environment for a post-aged society of Korea. As the middle-aged population who promoted the economical development in Korea gets older and the elderly population is expected to increase this study was processed to make a foundation for their housing environment. It suggests the remedy for the present elderly's residential environment by the analysis table which was made on the basis of thier dissatisfaction of current residence from surveys and depth interviews of 50 old-people and estimated analysis of needs based on this result. Therefore it reconstructed elderly housing environment by structure product and system divisions kitchen bathroom bedroom living room. The result likes next First in case of kitchen may consider elderly body reaction and awareness of space and material of floor and furniture also needs to consider width and height for elderly disease. living product should construct with appropriate weight of grip lighting system also must be constructive with elderly sight and safety. Second bathroom have to be suggested by elderly safety because it is most dangerous place to elderly population because they have frequent dizzy. Third the living room which spends the most time does approach of space and space easily. Hearing and loses time and is made to throw away and the system equipment must be prepared. 본 연구는 현재 고령화 사회로 세대전환이 급변함에 따라 노년층 인구가 증가할 것에 따른 현 노인주거환경실태를 조사하여 초고령화 사회 노인주거환경을 대비할 수 있는 방안을 마련하기 위해 1차적 초석을 마련하고자 진행되었다. 본 연구는 65세 이상의 노인 50명을 대상으로 니즈를 추출하여 개선 방안을 제안하는 연구이다. 연구 방법으로는 ADL( Activities of Daily Living)과 IADL(Instrumental Activities of Daily Living)을 바탕으로 구성된 설문을 조사 하였다. 설문의 형태는 방문 1:1 설문조사 및 인터뷰를 통해 실시하였다. 분석한 내용을 통해 노인 주거환경 부엌 욕실 침실 및 거실의 구조·생활용품·시스템으로 각각 나누어 노인 주거환경을 제안하였다. 연구결과는 다음과 같다. 첫째 부엌의 경우 노인의 신체적 반응을 고려한 바닥재와 공간인지가 가능한 구조 그리고 노인성 질환을 대비한 가구의 넓이 높이가 고려되어야 한다. 생활용품은 악력을 고려한 적절한 무게로 구성되어야 하며 노인의 기억력 저하 및 시력 저하를 고려한 안전구조와 조명시스템으로 구성되어야 할 것이다. 둘째 욕실은 노인에게 가장 위험한 공간이 될 수 있으므로 무엇보다 안전성이 강조되어야 한다. 그리고 특히 노인성 질환을 고려한 가구의 높이·넓이가 고려되어야한다. 노인은 잦은 어지럼증이 발생할 수 있음에 따라 안전바를 설치하여 노인의 편리를 도모해야 한다. 셋째 거실은 각방과의 접근이 용의해야하며 청각·시각저하를 고려한 안전시스템 설비가 마련되어야 한다. 따라서 본 내용조사는 1차적 실태조사를 위한 연구로서 보다 발전된 실질 노인 인지 사용성 테스트를 진행해야 한다.
신한나(Hanna Shin),김슬기(Seul Ki Kim),김태영(Tae Young Kim) 한국컴퓨터교육학회 2022 한국컴퓨터교육학회 학술발표대회논문집 Vol.26 No.2
현재 인공지능 교육이 사회 전반에서 대세로 떠오르고 있지만, 초등학교에서는 정보 교과의 부재로 인공지능 교육의 시수 확보가 어렵다.이에 본 연구는 초등학교에서 교과와 연계하여 융합 인공지능을 활용하는 주제와 수업안을 제시한다. 본 연구의 결과가 학생들의 컴퓨팅 사고력과 인공지능 사고 능력을 향상시킬 수 있는 인공지능 교육의 학교 현장 확산에 도움이 될 수 있길 바란다.
초등학생 대상 ‘핑퐁로봇’을 활용한 인공지능 융합교육 수업안 개발
신한나(Hanna Shin),김태영(Tae Young Kim) 한국컴퓨터교육학회 2023 한국컴퓨터교육학회 학술발표대회논문집 Vol.27 No.2
현재 초등학교 교육과정 실과 성취기준에 로봇과 인공지능을 활용하는 부분이 신설되었다. 이에 본 연구의 목적은 2022 초등학교 교육과정의 사회, 도덕과 정보 과목을 융합하여 성취기준에 맞게 개발한 핑퐁 로봇을 활용한 인공지능 교육프로그램을 제시한다. 본 연구의 인공지능 교육 프로그램을 통해 학생들의 컴퓨팅 사고력과 인공지능 사고 능력을 향상시킬 수 있기를 바란다.