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각종 축육의 수용성 단백질 및 Myoglobin 의 전기영동 Pattern 에 관한 연구
김창한,조선원,김시관 ( C . H . Kim,S . W . Cho,S . G . Kim ) 한국축산학회 1982 한국축산학회지 Vol.24 No.2
This study was conducted to identify livestock species by water-soluble protein, myoglobin electroretic patterns and analyze the chemical composition of meat. The method employed in this identification was Disc electrophoresis. The results obtained were summarized as follows; 1, The moisture contents of Korean beef, imported beef, horse meat, pork, dog meat, rabbit meat, and chicken were 78.5, 80.9, 65.9, 75.5, 73.2, 73.5, and 76.2%, the fat were 1.6, 1.7, 14.9, 3.6, 8.7, 0.7, and 2.3%, the protein were 16.2, 16.2, 20.3.. 19.0, 18.6, 24.3, and 19.0%, and the ash were 1.2, 1.1, 0.9, 1.1, 1.1, 1.1, and 1.1%, respectively. 2. By polyacrylamide gel electrothoresis the band numbers of water-soluble protein in Korean beef, imported beef, horse meat, pork, dog meat, rabbit meat and chicken were read as 14, 12, 13, 13, 10, 10, and 12, respectively. 3. The myoglobin of Korean beef, imported beef, horse meat and pork were separated as major band and secondary band and dog meat showed one major band. But it was difficult to observe the myoglobin band in rabbit meat and chicken. 4. The R_B values of the major myoglobin bands on polyacrylamide gel were 0.51, 0.53, 0.44, and 0.53 for the Korean beef, imported beef, horse meat and pork, respectively. Those of the secondary myoglobin bands were 0.42, 0.45, 0.52 anal 0.46 for the same species. The R_B value of the myoglobin band from dog meat was 0.3%. 5. The R_B value of the major anti secondary bands separated with sephadex G-200 gel from the meat of the species sampled were generally higher than those of the above.
Lactobacillus casei YIT 9018로부터 분리·정제한 Cell Wall Skeleton의 In Vitro 항종양 활성
金昌漢,李明燮,高時煥,朴相瑨,高明秀,白永振 건국대학교 1995 學術誌 Vol.39 No.2
In vitro antitumor activity of cell wall skeleton(CWS) purified from Lactobacillus casei YIT 9018 was examined by clonogenic assay. CWS had antitumor activity against six human tumor cell lines and three mouse tumor cell lines. Antitumor activity of CWS against human tumor cell lines such as A-427, SKMES-1, SF-188, FARROW, RAJI and HEP-2 was observed at 300,800,400,700,900 and 1,000μg/ml concentration, respectively. Antitumor activity of CWS against mouse tumor cell lines such as 3LL, S-180 and P388 was observed at 50,500 and 900μg/ml concentration, respectively. Key words : Lactobacillus casei YIT 9018, Cell Wall Skeleton, Antitumor Activity, Clonogenic Assay
Legendre Symbol에 관한 Conjecture와 그 응용
金昌漢 世明大學校 1992 世明論叢 Vol.2 No.-
We give a conjecture for Legendre Symbol and its applications of the factoring polynomials over the quadratic number fields.
초고층 건축물 외벽 청소로봇 운용을 위한 가이드레일 개념(안) 개발
김창한,한재구,김균태 한국건축시공학회 2012 한국건축시공학회지 Vol.12 No.2
In recent years, the number of high-rise buildings has been on the rise. As buildings have become larger in scale,significantly different issues related to their construction and maintenance have emerged. In addition, the automation and mechanization of the cleaning work for the curtain wall, one of the most frequently-performed tasks in building maintenance, is required as a fundamental measure. For this reason, a guide-rail cleaning robot system is emerging as one of the measures in response to external factors, including gust. Therefore, this is a preliminary study for the automation and mechanization of the curtain wall cleaning of high-rise buildings, and aims to derive the basic units and prepare for the concept of the guide rail. It is expected to serve as precedent research for the development and operation of a curtain-wall cleaning robot, and to prepare the basis for an final design of optimal guide rail. 매년 초고층 건축물 관련 프로젝트가 증가하고 있으며,초고층 건축물의 높이가 증가함에 따라 시공법과 함께 유지관리 방법도 기존방식과는 큰 차이를 보이고 있다. 또한 유지관리 업무 중 가장 빈번하게 수행되는 외벽 청소작업을보다 안전하게 작업하기 위한 근본적인 대책으로 청소작업의 자동화 및 기계화가 요구되고 있다. 그리고 초고층에서발생되는 돌풍 등 외부환경의 영향에 대응할 수 있는 방법으로 가이드레일 청소로봇 시스템이 제기되고 있다. 따라서본 연구는 초고층 건축물 외벽 청소작업의 자동화 및 기계화를 위한 선행연구로써, 외벽 청소로봇 운용을 위한 가이드레일 기본단위유닛 도출과 가이드레일 개념(안)을 개발하는 것이다. 이를 통하여 초고층 건축물 외벽 청소로봇운용을 위한 선행연구이며, 운용에 필요한 최적의 가이드레일최종설계의 기반을 마련하고자 한다.