The genotype identification method to measure nucleic acid using is one of the interesting tools to detect E.coli in environmental samples. The four independent processes, that is, cell lysis, nucleic acid purification/concentration, nucleic acid amplification, and detection are required to detect E.coli. If micro chip format is utilized in genotype identification method, it also requires all processes required for the detection of E.coli because the volume reduction issue is key process to increase the detection sensitivity in environmental sample that has relative large volume, considering microchip format. However, the washing issue might be emerged in nucleic acid isolation process, one of the four essential processes, when applying it to micro chip format because the most popular nucleic acid isolation process, called boom technology, utilizes chaotropic salt and ethanol as known as PCR inhibitors, which requires long washing step to remove chaotropic salt and high power usage such as centrifugal force to dry ethanol. In this study, new method to isolate and concentrate nucleic acid is introduced for micro chip format to detect E.coli using microbead. Proposed method was optimized using RT-PCR and was well-demonstrated by measurement of ultra low concentration of E.coli without special reagent. Acknowledgments : This research was supported by the Korea Research Foundation Grant funded by the Korean Government (MOEHRD) (KRF-2007-D00099) and by the Korea Science and Engineering Foundation (KOSEF) grant funded by the Korea government(MOST) (No.2007-04373)
저자
Junhong Min [ College of Bionanotechnology, Kyungwon University ]
Hee Jung Kim [ Department of Chemical & Biomolecular Engineering, Sogang University ]
한국생물공학회 [The Korean Society for Biotechnology and Bioengineering]
설립연도
1984
분야
공학>생물공학
소개
이 법인은 생물 공학의 발전과 보급에 이바지하고, 회원 상호 간의 연구 협력과 친목을 도모함을 목적으로 한다
1. 생물공학 분야의 발전을 위한 연구 협력
2. 생물공학의 실용화를 촉진시키기 위한 산학 협동
3. 학술연구 발표회, 강연회, 연수회 등 학술활동의 개최
4. 국,영문 학술지,소식지,학술회의 Proceedings 및 학술도서의 발간
5. 생물공학 발전을 위한 정책 건의
6. 기타 국제 교류 등 본 학회의 목적 달성을 위한 제반 활동