Production and Characterization of Monoclonal and Polyclonal Antibodies to Forchlorfenuron

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• 作者：Celia Surez-Pantalen ; Josep V. Mercader ; Consuelo Agull ; Antonio Abad-Somovilla ; Antonio Abad-Fuentes
• 刊名：Journal of Agricultural and Food Chemistry
• 出版年：2008
• 出版时间：December 10, 2008
• 年：2008
• 卷：56
• 期：23
• 页码：11122-11131
• 全文大小：266K
• 年卷期：v.56,no.23(December 10, 2008)
• ISSN：1520-5118

文摘

The development of immunoassays for the detection of the plant growth regulator forchlorfenuron (CPPU) is described. To achieve that purpose, a set of CPPU derivatives has been obtained by the previous synthesis of the adequate p-aminophenyl alkanoic acid. Protein conjugates of these compounds have been used as immunogens to produce rabbit polyclonal antibodies and a collection of mouse monoclonal antibodies. Additionally, a battery of structural analogues of the target analyte has been synthesized and used for the characterization of antibody binding. This strategy has demonstrated that most antibodies followed Landsteiner’s principle, although some monoclonal antibodies showing important deviations from this behavior have also been found. Finally, different assay formats have been developed with a variety of antibodies and conjugates, and a rapid procedure has been optimized for the indirect ELISA format using monoclonal and polyclonal antibodies. In the indirect competitive ELISA, assay IC₅₀ values for CPPU below 0.5 nM were found with LODs as low as 0.013 nM.