Chem Eng J. 2023 Jan 15;452:139646. doi: 10.1016/j.cej.2022.139646. Epub 2022 Oct 10.
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Label-Free and Homogeneous Electrochemical Biosensor for Flap Endonuclease 1 Based on the Target-Triggered Difference in Electrostatic Interaction between Molecular Indicators and Electrode Surface.