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. Author manuscript; available in PMC: 2010 Apr 15.

Published in final edited form as: Biosens Bioelectron. 2009 Jan 31;24(8):2604–2610. doi: 10.1016/j.bios.2009.01.029

Calibration curve correlating fluorescence intensity of the hydrogel microstructures to concentration of H₂O₂. Because of experiment-to-experiment variability in optical signal, all fluorescence intensity values were divided (normalized) by the signal for 1μM H₂O₂. Inset shows signal vs. analyte relationship for low concentrations of H₂O₂.

Calibration curve correlating fluorescence intensity of the hydrogel microstructures to concentration of H₂O₂. Because of experiment-to-experiment variability in optical signal, all fluorescence intensity values were divided (normalized) by the signal for 1μM H₂O₂. Inset shows signal vs. analyte relationship for low concentrations of H₂O₂.