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문병현,송주열,이현성,손경규,엄태환,김정우,김아름 대구대학교 정보통신연구소 2004 情報通信硏究 Vol.3 No.2
The system designed in this paper, can mark the interior state of greenhouse using sensors of temperature, humidity and illumination on greenhouse interior by greenhouse system for farm village area's agriculture automation. And, the real time monitor is possible real time monitoring by camera. Also, system that can supply water using spring cooler system and humidifier. The proposed system can sustain a designed environment of the greenhouse through rentilation fan, fluorescent light and roof door control. TCP/IP is used for the remote control of state the sensors in the client program. 본 논문에서 설계된 시스템은 농촌 지역의 농업 자동화를 위한 온실 시스템으로 온실 내부에 온도, 습도, 조도 센서를 이용한 온실 내부의 상태를 표시할 수 있으며 카메라를 이용하여 실시간 관측이 가능하다. 또한 본 시스템은 지붕 개폐, 스프링 쿨러와 가습기를 이용한 수분 공급, 환풍기, 형광등 등을 통하여 온실 내부의 환경을 유지시킬 수 있다. 모든 센서를 이용한 상태와 온실 제어를 TCP/IP를 이용한 클라이언트 프로그램에서 원격으로 관리할 수 있다.
Lee, Ah-Reum,Lee, Sook-Jeong,Lee, Minho,Nam, Miyoung,Lee, Sol,Choi, Jian,Lee, Hye-Jin,Kim, Dong-Uk,Hoe, Kwang-Lae ACADEMIC PRESS 2018 TOXICOLOGICAL SCIENCES Vol.161 No.1
<P><B>Abstract</B></P><P>To identify target genes against silver nanoparticles (AgNPs), we screened a genome-wide gene deletion library of 4843 fission yeast heterozygous mutants covering 96% of all protein encoding genes. A total of 33 targets were identified by a microarray and subsequent individual confirmation. The target pattern of AgNPs was more similar to those of AgNO<SUB>3</SUB> and H<SUB>2</SUB>O<SUB>2</SUB>, followed by Cd and As. The toxic effect of AgNPs on fission yeast was attributed to the intracellular uptake of AgNPs, followed by the subsequent release of Ag<SUP>+</SUP>, leading to the generation of reactive oxygen species (ROS). Next, we focused on the top 10 sensitive targets for further studies. As described previously, 7 nonessential targets were associated with detoxification of ROS, because their heterozygous mutants showed elevated ROS levels. Three novel essential targets were related to folate metabolism or cellular component organization, resulting in cell cycle arrest and no induction in the transcriptional level of antioxidant enzymes such as Sod1 and Gpx1 when 1 of the 2 copies was deleted. Intriguingly, <I>met</I>9 played a key role in combating AgNP-induced ROS generation via NADPH production and was also conserved in a human cell line.</P>
염증성 여드름 환자에 대한 침 치료 효과와 신체이미지 인식에 대한 연구
이아름 ( Ah Reum Lee ),이인선 ( In Seon Lee ),김송이 ( Song Yi Kim ),이향숙 ( Hyang Sook Lee ),박히준 ( Hi Joon Park ),이혜정 ( Hye Jung Lee ),채윤병 ( Youn Byoung Chae ) 경락경혈학회 2013 Korean Journal of Acupuncture Vol.30 No.2
Objectives: The purpose of this study is to evaluate the efficacy of acupuncture treatment on the inflammatory lesions and body image disturbances in patients with vulgaris acnes. Methods: Fifteen inflammatory acne patients were enrolled and treated with facial acupuncture during 4 treatment sessions. We evaluated the number of papules and nodules using the Korean Acne Grading System (KAGS). We also evaluated patients` general subjective satisfaction and objective changes of inflammatory acnes symptoms using DermaVision-pro. Moreover, we observed the skin quality-of-life scale with skindex-29 and body image disturbance questionnaire (BIDQ) as secondary outcome. Adverse events were recorded as well at every visit. Results: After 4 treatment sessions, there were significant reductions in the number of papules and nodules of the patients. We found that subjective satisfactions of patients were enhanced as well as the objective inflammatory symptoms. We also found significant improvements in the quality of life and BIDQ. No serious treatment-related adverse events were reported. Conclusions: This study demonstrated that standardized facial acupuncture were effective and safe in the treatment of facial inflammatory acnes.
Imidazole Trimer-Water Complexes in Superfluid Helium Nanodroplets: Water Stretching Modes
Ahn, Ah-Reum,Lee, Seung-Jun,Lee, Seul-Ki,Min, Ah-Reum,Kim, Yu-Sic,Jung, Hyeon-Jin,Hong, Seong-Min,Lee, Joon-Hwa,Choi, Myong-Yong,Miller, Roger E. Korean Chemical Society 2011 Bulletin of the Korean Chemical Society Vol.32 No.4
Estimating the Soil Carbon Stocks for a Pinus densiflora Forest Using the Soil Carbon Model, Yasso
Lee, Ah-Reum,Noh, Nam-Jin,Cho, Yong-Sung,Lee, Woo-Kyun,Son, Yo-Whan The Ecological Society of Korea 2009 Journal of Ecology and Environment Vol.32 No.1
The soil carbon stock for a Pinus densiflora forest at Gwangneung, central Korea was estimated using the soil carbon model, Yasso. The soil carbon stock measured in the forest was 43.73 t C $ha^{-1}$, and the simulated initial (steady state) soil carbon stock and the simulated current soil carbon stock in 2007 were 39.19 t C $ha^{-1}$ and 38.90 t C $ha^{-1}$, respectively. Under the assumption of a $0.1^{\circ}C$ increase in mean annual temperature per year, the decomposition and litter fractionation rates increased from 0.28 to 0.56 % $year^{-1}$ and the soil carbon stock decreased from 0.03 to 0.12 % $year^{-1}$. Yasso is a simple and general model that can be applied in cases where there is insufficient input information. However, in order to obtain more accurate estimates in Korea, parameters need to be recalibrated under Korean climatic and vegetation conditions. In addition, the Yasso model needs to be linked to other models to generate better litter input data.
Phytochemical Constituents from Salvia plebeia
Ah-Reum Han,Chao Hui Duan,Jung Noh Lee,Kwang Sik Lee,홍진태,Kun Kook Lee 한국생약학회 2010 Natural Product Sciences Vol.16 No.4
Phytochemical investigation of Salvia plebeia resulted in the isolation of nine compounds. Their structures were determined to be 6-methoxynaringenin (1), 6-methoxynaringenin-7-O-b-D-glucoside (2), hispidulin (3), homoplantaginin (4), nepetin (5), nepitrin (6), 6-hydroxyluteolin (7), caffeic acid (8) and rosmarinic acid (9) by spectroscopic analyses. 6-Methoxynaringenin (1), 6-hydroxyluteolin (7) and rosmarinic acid (9) were isolated from this plant for the first time.
Study of Cu-X alloy seed layer on ITO for copper-plated silicon heterojunction solar cells
Lee, Sang Hee,Lee, Doo Won,Kim, Han Jun,Lee, Ah Reum,Lee, Soo Hong,Lim, Kyoung-jin,Shin, Won-suk Elsevier 2018 Materials science in semiconductor processing Vol.87 No.-
<P><B>Abstract</B></P> <P>For the reduction of optical loss and contact material cost in silicon heterojunction (SHJ) solar cells, copper plating has been considered as a suitable metallization technique. Usually, a metal seed layer is deposited on an indium tin oxide (ITO) prior to copper plating for adhesive contact between copper and ITO. As a requirement of suitable seed layer material, contact resistivity (ρ<SUB>c</SUB>) between the seed and the ITO is also important, as well as the adhesion, because high series resistance results in fill factor loss. In this study, we applied alloy seed layers which were deposited by co-evaporating copper with other metals (Cu-X). Contact resistivity values of the samples were extracted by using transfer length method (TLM). Also, tape tests were carried out to simply confirm the adhesion of contacts with different seed layers. Among the Cu-X alloy seed materials, the Cu-Ni alloy film resulted in good adhesion to the ITO as well as low average contact resistivity under 1 mΩ cm<SUP>2</SUP>.</P>