At present, in the agricultural field, the application of non-standardized production such as genetically modified seeds and genetically modified crops has brought a great deal of hidden trouble to the safe production of modern agriculture. Therefore, in this context, the Ministry of Agriculture recommends the use of relevant documents issued and issued by the Ministry of Agriculture. Transgenic seed test strips for rapid detection of transgenic seeds or crops. The application of genetically modified seed test strips can further reduce the threshold of transgenic detection, expand the scope of genetically modified detection, and strengthen the safety supervision of research, testing, production and processing of agricultural genetically modified organisms to ensure food production safety and food safety in China.
At present, corresponding to the Ministry of Agriculture's call, many companies or related inspection departments have purchased genetically modified seed test strips for seed and crop genetic testing. The following is a brief description of the genetically modified seed test strip provided by Topsun. What is the interpretation of the results of the GM seed test strip?
From the principle of view, Topp Yunnon's transgenic seed test strip is the principle of applying double antibody immunochromatography. During the surging process, the antigen in the sample binds with the antibody A labeled with the previously colloidal gold, and then the specificity of the detection line is detected. The binding of monoclonal antibody B forms a double antibody sandwich complex. If the antigen content in the sample is greater than the limit, the test line is red and the result is positive; conversely, the test line is not colored and the result is negative. Therefore, when using genetically modified seed test strips to detect C-line color development, the T-line does not develop color (test line, close to the end of the sample well), then the test result is negative (-); if the detection is found to be C-line color, T Line color is visible to the naked eye (test line, near the end of the well), then the test results are positive (+); in addition, there is a condition that is invalid, that is, the C line does not appear, this result may be improper operation or test paper expired. In this case, read the instructions carefully and retest with the new test strip.
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