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Hybridoma (2005)

Development of a direct competitive enzyme-linked immunosorbent assay using a sensitive monoclonal antibody for bisphenol A.


PMID 21466291

Abstract

To set up an immunoassay-based method to detect Bisphenol A (BPA), we generated a monoclonal antibody (MAb) using a specially designed carboxyl derivative of BPA as the immunogen. BPA-HS was synthesized by reaction using BPA and succinic anhydride. The mice were immunized with the BPA-HS-BSA conjugate. The MAb was obtained from a hybridoma. In addition, we showed that the MAb was highly specific for BPA. The limit of detection was approximately 0.05 ng mL(-1) (ppb) in assay buffer and 0.1 ng mL(-1) (ppb) in water samples. The recoveries of BPA for water samples were from 90.8% to 114%, and coefficients of variation were from 15.6% to 39.4%. Thus, the ELISA method is a rapid and high throughput screening tool to detect BPA in water products.