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에어로졸 공정에 의한 Multiwall carbon nanotube/Graphene 복합체 제조 및 슈퍼커패시터 특성평가
조은희,김선경,장한권,이총민,박수련,최지혁,장희동,Jo, Eun Hee,Kim, Sun Kyung,Chang, Hankwon,Lee, Chong Min,Park, Su-Ryeon,Choi, Ji-hyuk,Jang, Hee Dong 한국입자에어로졸학회 2016 Particle and Aerosol Research Vol.12 No.4
A multiwall carbon nanotube (MWCNT)/graphene (GR) composite was synthesized for an enhanced supercapacitor. Aerosol spray pyrolysis (ASP) was employed to synthesize the MWCNT/GR composites using a colloidal mixture of MWCNT and graphene oxide (GO). The effect of the weight ratio of the MWCNT/GO on the particle properties including the morphology and layered structure were investigated. The morphology of MWCNT/GR composites was generally the shape of a crumpled paper ball, and the average composite size was about $5{\mu}m$. MWCNT were uniformly dispersed in GR sheets and the MWCNT not only increase the basal spacing but also bridge the defects for electron transfer between GR sheets. Thus, it was increasing electrolyte/electrode contact area and facilitating transportation of electrolyte ion and electron in the electrode. Electrochemical data demonstrate that the MWCNT/GR (weight ratio=0.1) composite possesses a specific capacitance of 192 F/g at 0.1 A/g and good rate capability (88% capacity retention at 4 A/g) using two-electrode testing system.
국소 진행성 두경부암 환자에서의 Docetaxel과 Cisplatin 유도화학요법
조은희(Eun Hee Cho),조근혁(Keun Hyok Cho),송영봉(Young Bong Song),최익성(Ik Sung Choi),최재원(Jae Won Choi),남승현(Seung Hyun Nam),김봉석(Bong Seog Kim) 대한두경부종양학회 2005 대한두경부 종양학회지 Vol.21 No.2
Objectives: To evaluate the efficacy and safety of induction chemotherapy with docetaxel and cisplatin in locally advanced head and neck cancer. Materials and Methods: Between June 1998 and December 2004, 30 patients were enrolled and among them, 20 patients were evaluable. Patients were treated with docetaxel 75mg/m² and cisplatin 60mg/m² on day 1 every 21 days. Results: The median age was 71(range 54-80) years old. All 20 patients were male. Nineteen patients had pathologically squamous cell carcinoma and 1 had undifferentiated carcinoma. Fourteen of 20 patients(70%) demonstrated an objective response with two(10%) achieving a complete clinical response and eleven(60%) a partial response. The median response duration was 5.3(1.6-32.1) months and the median time to progression was 5.6(1.4-33.8) months. The median overall survival of all patients was 14(range 2.2-34) months. The median overall survival of responders was 17.5(range 5-34) months and that of non-responders was 3.2(range 2.2-23) months, but it was not statistically significant(p=0.106). During a total of 92 cycles, granulocytopenia worse than CTC(Common toxicity criteria) grade 2 occurred in 6%, thrombocytopenia in 2%, and anemia in 3%, respectively. Non-hematologic toxicities were minor and easily controlled. Conclusion: The induction chemotherapy of docetaxel and cisplatin has moderate efficacy with acceptable toxicities in patients with locally advanced head and neck cancer.
최귀윤(Gui Yun, Choi),최은진(Eun Jin, Choi),조은희(Eun Hee, Jo),윤영숙(Young Suk, Yoon),이은희(Eun Hee, Lee),김양신(Yang Sin, Kim) 한국간호연구학회 2020 한국간호연구학회지 Vol.4 No.1
Purpose : This study is an exploratory research to find ways to operate regional-based simulation training centers by establishing a consortium for universities and related institutions to improve simulation training education. Methods : The subjects of this study were 86 universities which were registered as members to the council of deans of nursing department, colleges in Korea. The respondents of the questionnaire were the deans of nursing departments and professors of adult nursing, and the collected questionnaires were 60 copies in total, all of which were used for data analysis. The collected data was analyzed by frequency and percentage using SPSS/WIN 20.0 program. The subjective questions were analyzed using the content analysis method, and the derived contents were done by frequency and percentage. Results : As a result of this study, nursing career training centers under Korean Nursing Association are most appropriate as consortium establishment agencies of the regional-based simulation training centers, and it was confirmed that the roles of the simulation training centers such as developing scenarios, nurturing specialists, and providing facilities and equipment were necessary. Conclusion : If the regional-based simulation training centers are established and operated in the nursing career training centers under Korean Nursing Association, it is considered that the problems of the current clinical training will be overcome by providing standardized high-quality simulation education as well as the educational resources will be equitably distributed to many universities.
조준기,조은희,김경준,박민철,Choi, Joon-Gi,Choi, Eun-Hee,Kim, Kung-Joon,Park, Min-Cheul 대한한방안이비인후피부과학회 2006 한방안이비인후피부과학회지 Vol.19 No.2
Background and Objective : Localized Pustular Psoriasis(LPP) is a rare form of psoriasis characterized by erythematous papules, plaques studded with pustules(usually on palms or soles) However, the pathophysiology of the LPP remains obscure. Treatment at present is symptomatic and supportive. There is no report on LPP treated with oriental medical treatment. Methods : We conducted one patient with LPP seen at Won-Kwang University Ik-San Oriental Medical Hospital in 2003. We treated LPP in a forty-nine years old man by a herbal medicine, acupuncture, moxa, etc Conclusions : We had a significant results. So we report this case to estimate the efficiency of oriental medic at treatment and management on LPP
국내 간호학사 임상실습교육 개선을 위한 탐색적 연구 -미국 3개 대학 간호학사 임상실습교육 중심으로-
양경희(Kyung Hee, Yang),최귀윤(Gui Yun, Choi),조은희(Eun Hee, Jo),Park Suna 한국간호연구학회 2019 한국간호연구학회지 Vol.3 No.2
Purpose : This study was conducted to investigate clinical nursing practice hours and framework of three universities programs in the United States in order to provide basic data to improve nursing clinical practice education in Korea. Methods : Three BSN programs were selected by convenience and the data were collected for the comparison analysis. Data collection was conducted based on the website of the designated BSN programs and interviews with nurse practitioners, nurses and students at the nursing field in a university hospital from November 2018 to March 2019. Results : Clinical practice hours were between 660 and 990 hours in the three US nursing programs. In comparison to the Korean standard(1,000 hours), clinical hours in the US nursing programs were up to 340 hours less. Clinical practice instructors were university faculties, nurse practitioners or field nurses. The clinical instructors taught and guided the students in small groups of 6 to 7 students. Senior students experienced the role of a professional nurse by following a clinical nurse like a shadow and receiving one-on-one guidance during clinical practice. Conclusion : In Korea, more comprehensive and effective standards for BSN clinical practice are required and systems should be established in which competent and experienced nurses in nursing fields guide students as clinical instructors.
단일 태아세포에서의 PEP-PCR을 이용한 성의 결정과 Dystrophin 유전자 분석
최수경,김진우,조은희,박소연,류현미,강인수,Choi, Soo-Kyung,Kim, Jin-Woo,Cho, Eun-Hee,Park, So-Yeon,Ryu, Hyun-Mee,Kang, Inn-Soo 대한생식의학회 1997 Clinical and Experimental Reproductive Medicine Vol.24 No.1
Recently, through the development of the primer extension preamplification(PEP) method which amplifies the whole genome, simultaneous multiple DNA analysis has become possible. Whole genome from each single cell can be amplified using 15 base oligonucleotide random primer. The greatest advantage of PEP-PCR is the ability to investigate several loci simultaneously and confirm results by analysing multiple aliquots for each locus. This technique led to the development of preimplantation genetic disease diagnosis using blastomere from early embryo, sperm, polar body and oocyte. In this study, we applied PEP-PCR in 20 cases of single amniocyte and 20 cases of single chorionic villus cell for the clinical application of the prenatal and preimplantational genetic diagnosis. We analysed 7 gene loci simultaneously which are 46, 47 exons related to dystrophin gene, two VNTR (variable number tandem repeat) markers using 5'dysIII, 3'CA related to dystrophin gene and DYZ1, DYZ3, DYS14 regions on chromosome Y. In all the tests, 97.5% of PEP-PCR amplifications with single cells were successful. We obtained 38/40 (95%) accuracy in gender determination through chromosome analysis comparison. Therefore, these results have significant implications for a sperm or oocyte analysis and prenatal or preimplantational genetic diagnosis.
김강희(Kang-Hee Kim),박노삼(No-Sam Park),조은희(Eun-Hee Choi),안광선(Gwang-Sun Ahn) 한국정보과학회 1998 한국정보과학회 학술발표논문집 Vol.25 No.1A
우리는 본 논문에서 공개 서비스 웹 서버와 비공개 인트라넷 웹 서버의 사용자 접속 로그를 이용하여 웹 서버의 부하를 측정했다. 또한 측정된 부하를 분석하여 부하 변화에 영향을 미치는 요인을 찾고, 부하와의 관계를 설명했다. 부하에 영향을 미치는 요인은 요일, 시간 등이며 시간별 부하는 비교적 동일한 패턴을 매일 반복한다는 것을 알 수 있었고, 서버의 구현 목적에 따라 서로 상이한 패턴을 보인다는 것을 알 수 있었다. 또한 분석된 부하를 이용하는 방법을 설명하고, 추후 연구 되어야 할 다양한 내용의 웹 서버와 웹 로그 파일의 내용을 이용한 분석과 이용방법을 밝혔다.