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Diagram representing the primary sensing mechanisms for nanofiber-based sensors. Left: analyte specific recognition (ASR)—specificity is represented by the colors of the fiber matching the color of the functional group on the analyte it binds to. Center: electrocatalysis (EC)—reduction or oxidation is catalyzed by enhanced electron movement through nanofibers. Right: adsorption (AD)—molecules are trapped on nanofiber surfaces due to high porosity and large specific surface area.
