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김용표,윤동한,최운하,Kim Yong-Pyo,Yoon Dong-Han,Choi Un-Ha 한국정보통신학회 2006 한국정보통신학회논문지 Vol.10 No.8
In this paper, It is purposed to Develope Development of Home Automation Remote Control System using W Color touch LCD(liquid crystal display). This control remotely with remote control innovative and ergonomic design, right combination of LCD and hard buttons and its industry leading technology puts your customers at the cutting-edge of home entertainment. Remote Control for casual users is programmed automatically programmed with multiple free step macros and IR commands. Radio Frequency (RF) operation provides 50-100 inch range though walls and doors. Editor includes a vast library of IR codes for hundreds of brands and models of A/V components. This database is constantly growing with the inclusion of new devices every month. Keep your software up to date by using the Live Update feature. Rather than un-installing and re-installing the software, you download updates to the software from the internet. 본 논문은 TFT 칼라 터치 LCD(liquid crystal display)를 사용한 홈 자동화 원격 제어 시스템 개발을 제안한다. 이 혁신적이고 인간공학적인 디자인, LCD와 하드웨어 버튼의 올바른 조합을 가지고 원격 제어하며 또한 이것의 산업 선도적 기술을 홈 엔터테인먼트의 최첨단 부분을 수요자에게 공급한다. 일시적 사용자를 위한 원격제어는 다양하고 자유로운 매크로와 적외선 명령어를 가지고 자동적으로 프로그래밍 되어졌다. 라디오 주파수 명령은 50-100인치 정도의 벽 및 문을 통하여 조작되어진다. 편집기는 수많은 브랜드의 AV 관련 제품들에 대한 IR 코드에 맞게 방대한 라이브러리를 포함한다. 이 데이터베이스는 매달 새 장치 포함하여 지속적으로 추가된다. 라이브 업 데이트를 지원함으로 최신 버젼의 소프트웨어를 유지할 수 있다. 소프트웨어 제거 및 설치하는 것을 대신하여 인터넷에서 소프트웨어를 다운로드 및 업 데이트를 할 수 있다.
${\alpha}$-Glucosidase Inhibitiors from Seed Extract of Paeonia lactiflora
Choi, Chun-Whan,Choi, Yeon-Hee,Cha, Mi-Ran,Park, Jee-Hee,Kim, Young-Sup,Kim, Young-Kyoon,Choi, Sang-Un,Yon, Gyu-Hwan,Hong, Kyung-Sik,Kim, Young-Ho,Ryu, Shi-Yong The Korean Society for Applied Biological Chemistr 2009 Applied Biological Chemistry (Appl Biol Chem) Vol.52 No.6
Alpha-glucosidase inhibitors are oral antihyperglycemic agents that act on alpha-glucosidase competitively, delaying intestinal carbohydrate absorption and lessening postprandial increases in glucose levels. In the search for new classes of ${\alpha}$-glucosidase inhibitors extracted from natural resources, 420 different plant extracts were evaluated for their inhibitory effect on ${\alpha}$-glucosidase, in vitro. Amongst the tested extracts, the seed extract of Paeonia lactiflora (Paeoniaceae) demonstrated a significant degree of inhibition on the enzyme, according to dose. Extensive bioassay-guided fractionation of the extract resulted in the isolation of six materials, luteolin (1), resveratrol (2), trans-${\varepsilon}$-viniferin (3), gnetin H (4), suffruticosol A (5) and suffruticosol B (6), that are active agents for ${\alpha}$-glucosidase inhibition. Resveratrol (2) is a well-known naturally occurring hydroxystilbene, particularly abundant in wine and some related stilbene oligomers. Materials (3-6) exhibited relatively strong inhibition of ${\alpha}$-glucosidase and their $IC_{50}$ values were calculated as: 0.92mM (2), 3.15mM (3), 1.15 mM (4), 2.53mM (5) and 3.15mM (6). In contrast, the ($IC_{50}$) value of the reference drug, acarbose, was estimated as 8.28mM in vitro.
Choi Seon-Ah,Kim Kyung Hyun,Choi Un Yong,Park Jeong Yoon,Kuh Sung-Uk,Chin Dong Kyu,Kim Keun Su,Cho Yong Eun 대한말초신경학회 2019 The Nerve Vol.5 No.2
Objective Trans-oral approach or occipitocervical/atlantoaxial fusion with/without posterior decompression has been considered to be an appropriate surgical strategy for craniovertebral junction (CVJ) stenosis with myelopathy. However, decompressive C1 laminectomy without posterior stabilization was reported recently for treating retro-odontoid pseudotumor. This study aimed to evaluate surgical outcomes of the patients treated with decompressive C1 laminectomy without posterior stabilization for CVJ stenosis with myelopathy. Methods Ten patients underwent decompressive C1 laminectomy without posterior stabilization for CVJ stenosis with myelopathy from August 2007 to December 2016. All patients were evaluated preoperatively for spinal canal stenosis, cord signal changes, and instability based on preoperative computed tomography, magnetic resonance imaging, and plain dynamogram. We retrospectively reviewed the clinic charts and radiographs for investigating clinical outcomes such as the visual analog scale (VAS), and Ranawat grade scale and complications. Radiographic parameters including pre- and postoperative atlas-dens interval change in flexion and extension, O-C2 angle, C2-C7 Cobb angle, and C2-C7 sagittal vertical axis were measured. Results The mean follow-up time was 41 months. Eight men and 2 women with a mean age of 58 years (range, 45-69 years) were enrolled. Preoperative neck pain by the VAS was improved significantly in all patients (p<0.01). Nine of 10 patients showed improvement on the Ranawat grading scale, but 1 patient who required a Halo-vest due to aggravated instability after surgery remained unchanged. The statistical results of the preoperative and postoperative radiographic measurements were not significant. Conclusion In select patients with certain indications, decompressive C1 laminectomy could be a viable option, especially in the elderly, patients with comorbidity, and patients with poor bone quality.
Yong Kyung Kim,Hui Xu,Eung Hwi Kim,Yun Pyo Choi,Hee Bong Lee,Sang Un Park 한국작물학회 2007 한국작물학회 학술발표대회 논문집 Vol.2007 No.11
Bitter melon (Momordica charantia L.) is a tropical and subtropical vine of the family Cucurbitaceae, widely grown for edible fruit, which is among the most bitter of all vegetables. Bitter melon contains an array of biologically active plant chemicals including triterpenes, proteins, and steroids. The fruit is useful in gout, rheumatism and subacute cases of the spleen and liver diseases. It is supposed to purify blood and dissipate melancholia. It has also been shown to have hypoglycaemic properties (anti-diabetic) in animal as well as human studies. Raw materials of used in pharmaceuticals, health food, cosmetics, food, perfumery and other industries. However, bitter melon is not popular in Korea. For research, development and commercialization of bitter melon in Korea, we collected 13 varieties of bitter melon from domestic andabroad. We study biological and chemical characteristics of bitter melon. In general frui tsize and weight of Philippines and Japanese varieties was larger than that of Chinese and Korean. We are studying chemical analysis of useful compound (diosgenin and GABA) from bitter melon.
Yong Un Ban,Jong In Baek,Kwang Hyun Yim,Sang Wook Kang,Na Rae Choi 위기관리 이론과 실천 2016 Crisisonomy Vol.12 No.5
본 연구의 목적은 도심보행전용가로인 청주시 성안길의 보행환경에 대한 상인 만족도에 미치는 영향요인을 분석하는데 있다. 이를 위하여 본 연구는 설문조사 방법 및 통계분석 방법을 도입하였다. 설문은 총 27개의 문항으로 구성되었으며 그 중 9개는 안전에 대해, 10개는 편리성에 대해, 6개는도심기능성에 대해, 마지막으로 1개는 전체적인 만족도에 대한 것이다. 그리고 성안길에서 일하고있는 상인들에게 이 질문을 이용하여 설문조사를 실시하였다. 본 연구는 다중 회귀 분석을 통해다음과 같은 결과를 도출하였다. 1) 상인들의 만족도는 안전성, 도심기능성, 편리성 순으로 나타났으나, 모든 부문의 만족도 수준은 낮았다. 2) 3개의 부문 중에서 도심기능성이 상인 만족도에 가장영향을 미치는 것으로 나타났다. 특히 볼거리, 놀거리, 살거리가 성안길 상인 만족도에 통계적으로유의하게 영향을 미치는 것으로 나타났다. This study aims to analyze the factors that affect the merchants’satisfaction level regarding built environments of the pedestrian street in the commercial business district (CBD) of Cheongju City. To reach the objective, this study employed questionnaire survey method, and statistical analysis method. The questionnaires were composed of 27 questions (9 for safety, 10 for convenience, 6 for the functionality of the street, 1 for general satisfaction level), and distributed to the merchants working on the pedestrian street (Seongan-Ro). This study has found the following results through multiple regression analysis. 1) Merchants showed their satisfaction level in the order of safety, street functionality, and convenience, but the levels of all categories were low. 2) Among three categories, street functionality was the most important factor that affected the merchants’ satisfaction level. Especially, the things to see, play, and buy were statistically significant to determine the satisfaction level of merchants' in Seongan-Ro.
Cytotoxic Isoquinoline Alkaloids from the Aerial Parts of Corydalis incisa
Choi, Sang-Un,Baek, Nam-In,Kim, Sung-Hoon,Yang, Jae-Heon,Eun, Jae-Soon,Shin, Tae-Yong,Lim, Jong-Pil,Lee, Jae-Hyeok,Jeon, Hoon,Yun, Mi-Young,Leem, Kang-Hyun,Park, Hee-Wook,Kim, Dae-Keun 대한약학회 2007 Archives of Pharmacal Research Vol.30 No.2
Three known isoquinoline alkaloids were isolated from the chloroform-soluble fraction of the methanolic extract of the aerial parts of Corydalis incisa (Papaveraceae) through repeated column chromatography. Their chemical structures were elucidated as corynoline (1), corynoloxine (2) and 6-oxocorynoline (3) using spectroscopic analysis. Compounds 1-3 exhibited cytotoxicity against human A549, SK-OV-3, SK-MEL-2 and HCT 15 tumor cells.
Association of Age and CKD with Prognosis of Myocardial Infarction
Choi, Joon Seok,Kim, Min Jee,Kang, Yong Un,Kim, Chang Seong,Bae, Eun Hui,Ma, Seong Kwon,Ahn, Young-Keun,Jeong, Myung Ho,Kim, Young Jo,Cho, Myeong Chan,Kim, Chong Jin,Kim, Soo Wan American Society of Nephrology 2013 Clinical journal of the American Society of Nephro Vol.8 No.6