Linlin Ren

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An indirect immunoassay for the determination of vitamin B2 in food samples and vitamin tablets was developed. A carbodiimide-modified active ester method was used to synthesize the immunogen for vitamin B2. The coupling ratio of vitamin B2 to carrier protein in immunogen was 19.98:1. The titer of the polyclonal antibody was 1:64000, and the antibody showed(More)
A rapid and sensitive fluorescence polarization immunoassay (FPIA), based on a polyclonal antibody, has been developed for the detection of sodium benzoate in spiked samples. The immunogen and fluorescein-labeled analyte conjugate were successfully synthesized, and the tracer was purified by TLC. Under the optimal assay conditions, the FPIA shows a(More)
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