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. 2023 Mar 7;13(3):355. doi: 10.3390/bios13030355

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© 2023 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Biosensors responses of the optimized immunoassays against various concentrations of; (a) HER-1 antigen (0.5–75 ng mL⁻¹); (b) HER-2 antigen (5–200 ng mL⁻¹). Measurements were taken after 110 s at a potential of −200 mV. Embedded graphs show the raw data obtained. (c) Linear regression of the HER-1 and HER-2 assay, obtained with data taken from Figure 2a,b. Standard deviations were calculated for experiments performed in triplicate (n = 3).

Biosensors responses of the optimized immunoassays against various concentrations of; (a) HER-1 antigen (0.5–75 ng mL⁻¹); (b) HER-2 antigen (5–200 ng mL⁻¹). Measurements were taken after 110 s at a potential of −200 mV. Embedded graphs show the raw data obtained. (c) Linear regression of the HER-1 and HER-2 assay, obtained with data taken from Figure 2a,b. Standard deviations were calculated for experiments performed in triplicate (n = 3).