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논문 : 정보처리 및 복합기술 ; 살모넬라 식중독균 신속 검출용 간이 진단키트
김기영 ( G. Kim ),양길모 ( G. Yang ),박샛별 ( S. B. Park ),김용훈 ( Y. H. Kim ),이강진 ( K. J. Lee ),손재용 ( J. Y. Son ),김혁주 ( H. J. Kim ),이새롬 ( S. R. Lee ) 한국농업기계학회 2011 바이오시스템공학 Vol.36 No.2
This study was performed to develop a rapid test kit for pathogenic Salmonella in various samples. The rapid detection kit has been fabricated based on nitrocellulose lateral-flow strip. Colloidal gold and biotin conjugated Salmonella antibodies were used as a tag and a receptor, respectively. Manually spotted Salmonella antibody and Neutravidin on nitrocellulose membrane were used as test and control lines, respectively. Feasibility of the rapid kit to detect Salmonella typhimurium in samples were evaluated. The intensity of the color of the test line started to increase with the samples in which higher concentration of the cells were contained. The sensitivity of the sensor was 10(6) cfu/mL Salmonella spiked in PBS. Also, the rapid test kit could detect 10(6) cfu/mL of Salmonella in chicken meat extract.
논문 : 정보처리 및 복합기술 ; 나노 양자점 결합을 이용한 살모넬라 식중독균 검출
김기영 ( G. Y. Kim ),양길모 ( G. M. Yang ),김용훈 ( Y. H. Kim ),모창연 ( C. Y. Mo ),박샛별 ( S. B. Park ) 한국농업기계학회 2010 바이오시스템공학 Vol.35 No.6
It is required to develop rapid methods to identify pathogenic Salmonella in food products for protecting and maintaining safety of the public health from Salmonellosis. The objective of the present study was to explore feasibility of the nanotechnology to detect pathogenic Salmonella rapidly in various samples. Sensitivity of the a composite quantum dot to detect Salmonella typhimurium in samples were evaluated. For selective detection of Salmonella, anti-Salmonella polycolonal antibody was utilized to capture and stain Salmonella. Quantum dots were attached onto Salmonella in the samples and produced fluorescent light. Fluorescence response of the composite quantum dot was measured with a commercial fluorescence meter. The fluorescence signal starts to increase with the samples in which higher concentration of the cells were contained. The sensitivity of the sensor was 10(6) CFU/mL Salmonella spiked in PBS.