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Electrochemiluminescent (ECL) immunosensor with multiple signal amplification was designed based on gold nanoparticles (AuNPs), polyamidoamine dendrimers (PAMAM) and silver-cysteine hybrid nanoribbon (SNR). Low toxic l-cysteine capped CdSe QDs was chosen as the ECL signal probe. To verify the proposed ultrasensitive ECL immunosensor for β-adrenergic agonists (β-AA), we detected Brombuterol (Brom)...
A signal amplification strategy for electrochemiluminescence (ECL) immunosensor was designed based on gold nanoparticles (AuNPs) and L‐cysteine capped CdSe QDs for highly sensitive detection of brombuterol (Brom) in the presence of K2S2O8 as the co‐reactant. Therein, AuNPs as the substrate can simplify the experiment process, accelerate the electron transfer rate, and enhance the ECL signal. In the...
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