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Validation of the two-terminal PEDOT:PSS/IrOx Ps pH sensor. (a) Comparison between a precalibrated two-terminal sensor and a glass membrane electrode for pH determination in U. B and statistical analysis. (b) Interference study in U. B. adjusted to pH 7.00 by adding controlled amounts of chemical species that are typically found in wound exudate (Na+, K+, glucose, uric acid, urea, and lactate). (c) Effect of temperature gradients on the sensor response.
