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http://dx.doi.org/10.7744/cnujas.2012.39.3.421

Improvement of the detection limit of rapid detection kit for Salmonella Typhimurium using image analysis system  

Lee, Sangdae (Department of Agriculture Engineering, National Academy of Agricultural Sciences)
Kim, Giyoung (Department of Agriculture Engineering, National Academy of Agricultural Sciences)
Park, Saet-Byeol (Department of Agriculture Engineering, National Academy of Agricultural Sciences)
Moon, Ji-Hea (Department of Agriculture Engineering, National Academy of Agricultural Sciences)
Publication Information
Korean Journal of Agricultural Science / v.39, no.3, 2012 , pp. 421-425 More about this Journal
Abstract
The objective of this study was to improve the detection limit of rapid detection kit for Salmonella Typhimurium by image analysis system. The rapid detection kit was comprised of four elements: sample pad, conjugate pad, nitrocellulose pad and absorbent pad. Gold nanoparticle and Salmonella antibody were used as a tag and a receptor. Salmonella antibody and goat rabbit IgG antibody were used as test and control lines on nitrocellulose membrane. The color intensity of test line began to increase from $10^5CFU/mL$ of Salmonella sample. A multiple linear regression analysis was employed to explain the relationship between predicted and measured number of Salmonella cells. The developed model could successfully predict the cell number of Salmonella with validation against extra-experimental result.
Keywords
Salmonella; Lateral flow immunoassay; Multiple linear regression analysis;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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