Abstract

We herein developed a simple personal glucose meter (PGM)-based method for terminal transferase (TdT) activity assay by utilizing the glucose oxidase (GOx)-mimicking activity of cerium oxide nanoparticles (CeO2 NPs). Using this strategy, the TdT activity was reliably determined down to 0.7 U mL-1 with high selectivity against other non-specific enzymes.

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