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Probe EF 5.44 를 이용한 가족성선종성용종증 ( FAP ) 과 Gardner 증후군 ( GS ) 가계의 Linkage Analysis
김효종(H . J . Kim),김영관(Y . K . Kim),동석호(S . H . Dong),김병호(B . H . Kim),이정일(J . I . Lee),장영운(Y . W . Chang),장린(R . Chang),최영길(Y . K . Choi),이기형(K . H . Lee) 대한내과학회 1993 대한내과학회지 Vol.45 No.3
Background: Familial adenomatous polyposis (FAP) and Gardner's syndrome (GS) are conditions, inherited in an autosomal dominant fashion, that predispose affected family members to the development of colorectal cancer. The gene(s) responsible for FAP/GS is on the chromosome 5q21-22. Several RFLP markers for the chromosome 5q21-22 region are now available and can be used clinically for premobid diagnosis in affected FAP/GS family members. Probe EF5.44 is an RFLP marker that is tightly linked (Lod Score>3.0) to the FAP/GS locus. Methods: In FAP family, 10 mL of peripheral blood was sampled from the index case, his parents, brother and sister, and his wife and children. In GS family, similiar amount of blood was sampled from the index case, his wife and children. DNA was purified and five micrograms of each DNA was digested with restriction enzyme Msp I, and Southern blotting and hybridization using the probe EF5.44 were performed. Results: Probe EF 5.44 yielded only one band of 2.0 Kb without RFLP in al1 FAP/GS family members of this studay. Conclusion: Probe EF5.44 was found to be uninformative in both FAP/GS family members of this study. These results reveal that linked DNA probe has several limitations due to it's inherent low heterozygosity and so new DNA markers, such as microsatellite VNTRs, are preferable for genetic linkage analysis.
기능성 유기 초박막을 이용한 NO2 가스센서 개발을 위한 기초 연구
손병청,임병오,김용인,손태원,신동명,주재백,정귀영,김영관,강우형,이병호 ( B . C . Sohn,B . O . Rim,Y . I . Kim,T . W . Sohn,D . M . Shin,J . B . Ju,G . Y . Chung,Y . K . Kim,W . H . Kang,B . H . Lee ) 한국유화학회 1995 한국응용과학기술학회지 Vol.12 No.1
Ultra thin films of Tetra-3-hexadecylsulphamoylcopperphthalocyanine(HDSM-CuPc) were formed on various substrates by Langmuir-Blodgett method, where HDSM-CuPc was synthesized by attaching long-chain alkylamine(hexa-decylamine) to CuPc. The reaction product was identified with FT-IR, UV-visible absorption spectroscopies, elemental analysis and thin layer chromatography. The formation of Ultrathin Langmuir-Blodgett(LB) films of HDSM-CuPc was confirmed by FT-IR and UV-visible spectroscopies. A quartz piezoelectric crystal coated with LB films of HDSM-CuPc was examined as a gas sensor for NO_2 gas. HDSM-CuPc LB films were transferred to a quartz crystal microbalance(QCM) in the form of Z-type multilayers. Response characteristics of film-coated QCM to NO_2 gas concentrations over a range of 100~600ppm have been tested with a thickness of 5~20 layers of HDSM-CuPc. Changes in frequency by the response time was slow.