https://www.selleckchem.com/ph....armacological_epigen
Under the optimal conditions, plasmonic TiO2@Au NPs//CdS QDs photocurrent-direction switching PEC biosensing platform with cathodic background signal exhibited ultrasensitive for the determination of CEA with a low limit of detection of 18.9 fg/mL. Importantly, the proposed PEC biosensor can eliminate the interferences of the initial photocurrent and background signal, and has high-efficiency anti-interference ability, satisfactory stability and excellent reproducibility, which may have great potentials in bioanalysis and dis
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