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김지은,노진수,이강현 조선대학교 에너지.자원신기술연구소 2002 에너지·자원신기술연구소 논문지 Vol.24 No.1
Recent concerns about information privacy have enhanced the need for data security when storing information in a computer or transmitting it through data communication network. In this paper, we proposed the design DES(Data Encryption Standard) algorithm, which is regarded as a standard of encryption algorithm. We could design it by using of one-time ounging wit the implemental method, S-box sharing method, and the simple-round iterative method, and implement ASIC into simple-round iterative method have the smallest size and alternate to have a general purpose. Each part is designed in accordance with a type of the Top-down design using VHDL(Very high speed IC Hardware Description Language), this is designing technical language which is adopted as the international standard language, and. synthesized.
박말영,임은성,박지영,노지현,추은영,유재연 한국의료QA학회 2009 한국의료질향상학회지 Vol.15 No.2
문제: 환자가 수술장내에서 수술을 기다리면서 느끼는 불안감을 최소화할수있도록해야하지만수술실의 효율성 및 의료진 편의성 위주로 운영되고 있어 수술실 내 대기시간이 연장되고 있다. 목적: 수술장내 대기시간을 단축시키기 위해 수술환자의 이동경로에 따른 지연요인과 문제점을파악하고 개선하여 환자가 수술을기다리면서 느끼는 불안감을 최소화하고자 한다. 의료기관: 부산시에 소재한 481병상의 종합병원 수술실 질 향상 활동: 수술환자의 대기시간 지연요인과 문제점을 파악하고 개선을 통해 질 향상을 도모하였다. 개선효과: 대기시간 수행율에서 수술장 도착까지의 수행율이 개선전 95%에서 개선후98%로, 수술방입실까지의 수행율이 개선전 88%에서 개선후 94%로, 마취시작 까지의 수행율이 개선전 93%에서 개선후 96%로 수행율이높아졌다.
One-step Production of Butyl Butyrate
Hyeon Ji NOH,Ye Rin YOON,Ji Eun WOO,Haeng Lim LEE,Sang Yup LEE,Yu-Sin JANG 한국생물공학회 2021 한국생물공학회 학술대회 Vol.2021 No.10
Butyl butyrate is used as an important compound in industries for producing wines, beverages, foods, and perfumes. The current process for butyl butyrate production has been developed as a two-step process, chemical processes for the production of butanol and butyrate, which are enzymatically converted to butyl butyrate by employing lipases. In this study, alcohol acyltransferases (AATs) were introduced into Clostridium acetobutylicum for the one-step production of butyl butyrate from glucose. We selected C. acetobutyrlicum ATCC 824 as the host for butyl butyrate production, because it effectively provides butanol and butyl-CoA, precursors required for the ester production. For the esterification, the SAAT gene and AAAT gene were employed from Fragaria x anassa and Malu sp., respectively. Batch culture of the engineered C. acetobutylicum CaSAAT showed 50.07 ㎎/L of butyl butyrate production, while engineered C. acetobutylicum CaAAAT produced 40.60 ㎎/L. This study demonstrated the one-step production of butyl butyrate using the engineered C. acetobutylicum without external supplementation of precursors.
노현지(Hyeon Ji Noh),장유신(Yu-Sin Jang) 한국생물공학회 2017 KSBB Journal Vol.32 No.3
Butyric acid (C4 carboxylic acid) is used as an important compound in food, pharmaceutical, and chemical industries. Currently, butyric acid is mainly produced at the industrial scale through the petrochemical processes. Biobased butyric acid has also gained attention, because the consumer prefers the food and pharmaceutical ingredients that are produced through fermentation. Clostridia is one of the well-known butyric acid producers, and massively engineered for enhanced production of butyric acid. In this paper, we reviewed the metabolic pathway of clostridia, especially Clostridium acetobutylicum and Clostridium tyrobutyricum, and summarized the metabolic engineering strategies of the strains for enhanced production of butyric acid.
학생참여형 생활규정이 중학생의 정치적 태도에 미치는 영향 -서울 K중학교의 사례를 중심으로-
노현지 ( Hyeon Ji Noh ),김겸미 ( Kyum Mi Kim ),박성혁 ( Sung Hyeok Park ) 한국법교육학회 2013 법교육연구 Vol.8 No.2
본 연구는 학생참여형 생활규정이 중학생의 정치적 태도에 미치는 영향을 서울시 소재 K중학교를 사례로 살펴보았다. 학생참여형 생활규정이란, 기존 생활 규정의 대안적 성격을 가지는 생활규정으로서, 학생들을 자기결정권을 가진 교육의 주체로 인정하는 자율적 생활규정을 말한다. 본 연구를 위해 학생참여형 생활규정을 실시하는 학교와 그렇지 않은 학교를 각각 선정하여, 학생참여형 생활규정 시행 학교의 학생 120명, 미시행 학교의 학생 120명, 총 240명을 연구대상으로 삼아 정치적 태도를 조사하였다. 정치적 태도의 하위 요소로는 정치적 신뢰감, 정치적 효능감, 정치적 관용, 참여의식의 네 가지를 선정하여 살펴보았다. 연구 결과, 학생참여형 생활규정을 실시한 학교에서 정치적 태도의 하위 요소 중 외적 정치적 효능감과 참여의식 수준이 높게 나타났으며, 학생들이 학생참여형 생활규정에 대해 긍정적으로 평가하고 적극적으로 참여할수록 외적 정치적 효능감과 참여의식 수준이 높게 나타났다. 학생참여형 생활규정의 시민교육적 효과를 증진하기 위하여 첫째, 학생 교과수업과 연계하여 학생참여형 생활규정이 갖는 의미를 교수할 것, 둘째, 생활협약의 제정 과정과 실시 과정에서 토론의 양과 질을 개선할 것, 셋째, 학생참여형 생활규정에 대한 교사들의 인식 제고를 제안한다. The purpose of this study is to verify the effect of students-participatory school regulations on political attitude of middle school students. Students-participatory school regulations as alternative regulations of existing Korean school regulations are self-imposed regulations, which regard students as the main subjects of education who hold the right of self-determination. To find out the influence of students-participatory school regulations, this research surveyed 240 middle school students. They consist of two groups - 120 students of K middle school and 120 students of N middle school. K middle school carries out the students-participatory school regulations and N middle school doesn`t carry them out. Political attitude is comprised of political trust, political efficacy, political tolerance and a sense of participation. The analysis shows that students-participatory school regulations have positive effect on students′ external political efficacy and a sense of participation. And the level of external political efficacy and a sense of participation are evaluated highly among the students who accept students-participatory school regulations affirmatively and take part in this regulations actively. In order to increase the civic-educational effectiveness of students-participatory school regulations we suggest these three points. First, it is necessary to inform students of the meaning of students-participatory school regulations related to subject lessons. Second, school regulations the quantity and quality of discussion should be improved in the process of establishing and enforcing students-participatory. Third, it is essential to raise the teachers′ awareness toward these regulations.