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A novel signal amplification strategy based on the competitive reaction between 2D Cu-TCPP(Fe) and polyethyleneimine (PEI) in the application of an enzyme-free and ultrasensitive electrochemical immunosensor for sulfonamide detection.
Xiao J, Hu X, Wang K, Zou Y, Gyimah E, Yakubu S, Zhang Z. Xiao J, et al. Among authors: zou y. Biosens Bioelectron. 2020 Feb 15;150:111883. doi: 10.1016/j.bios.2019.111883. Epub 2019 Nov 14. Biosens Bioelectron. 2020. PMID: 31767349
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