Development of a Fluorescence Polarization Immunoassay for the Quantification of Tylosin in Honeyстатья
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Дата последнего поиска статьи во внешних источниках: 10 апреля 2024 г.
Аннотация:Abstract—A fluorescence polarization immunoassay method has been developed for the determination ofantibiotic tylosin in honey. For this purpose, rabbits were immunized with a conjugate of tylosin and bovineserum albumin, and antisera were obtained. The conditions for the interaction of antisera in a competitiveformat with tylosin in the sample and with tylosin labeled with fluorescein were optimized. The developedmethod is characterized by a limit of detection for tylosin of 34.7 ng/mL and an analytical range of 65.2 to564.0 ng/mL. High reproducibility of measurements using a portable detector was demonstrated, with relativestandard deviation (RSD) values of 1.5–2.5%. The method was validated using honey samples, showingrecovery ranging from 98 to 103.8%. An analysis time, excluding sample preparation, is 10 min.