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Article in Chinese | WPRIM | ID: wpr-437302

ABSTRACT

Objective To construct and identify norepinephrine ( NE) complete antigen for the preparation of high sensitive and specific anti-NE monoclonal antibody .Methods Glutaraldehyde ( GA) and 1-Ethyl-3-(3-Dimethylaminopropyl ) carbodiimide ( EDC) were used to cross-link NE with carrier pro-teins (BSA, OVA) for NE complete antigen preparation under conditions of pH 4.5 or pH9.0.Three assays including UV scanning , SDS-PAGE and FeCl3 color reaction were performed for identification of NE com-plete antigen.Serum antibody titers were evaluated in mice model induced by intraperitoneal immunization with NE complete antigen .Results NE complete antigens were successfully prepared as indicated by the three identification assays .The coupling ratio was significantly increased in a time-depended manner under the condition of pH9.0 in comparison to that in the condition of pH 4.5.Indirect ELISA results showed that , when coating antigens and serum antibodies were prepared with the same cross -linking method , the serum antibody titers were significantly higher than those with different methods .Conclusion Anti-NE antibodies were successfully prepared by immunizing mice with NE complete antigens .

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