Enhanced magnetic relaxation switching immunoassay for chlorpyrifos based on tyramine signal amplification
Chen Zhan,
Long Wu,
Yongzhen Dong
Abstract:Chlorpyrifos, an organophosphorus pesticide, is widely used in agriculture to protect crops from insects. However, the presence of its residues in food has caused widespread concern due to the serious risks to human health. Traditional detection methods suffer from limitations, such as low sensitivity, long detection time, and complicated operations. Herein, based on the tyramine signal amplification (TSA) strategy, we developed a sensitive and rapid magnetic relaxation switching (MRS) immunosensor for the det… Show more
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