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. 2025 Feb 17;10(8):8433–8439. doi: 10.1021/acsomega.4c10449

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© 2025 The Authors. Published by American Chemical Society

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pH sensing characteristics and response curve of the EGFET The responses of drain current (I_D) to gate voltage (V_G) under different pH values for Ag/AgCl reference electrode (panel A), external Au electrode (panel B), and integrated Au electrode (panel C). The response curves of gate voltage (V_G) under different pH values for Ag/AgCl reference electrode (panel D), external Au electrode (panel E), and integrated Au electrode (panel F). Square labels indicate averages with error bars indicating standard errors. Blue lines are derived from linear regression across the measurements.