High-throughput quantitative screening of peroxidase-mimicking DNAzymes on a microarray by using electrochemical detection.

Abstract excerpt

Some guanine-rich DNA sequences, which are called DNAzymes, can adopt G-quadruplex structures and exhibit peroxidase activity by binding with hemin. Although known DNAzymes show less activity than horseradish peroxidase, they have the potential to be widely used for the detection of target molecules in enzyme-linked immunosorbent assays if sequences that exhibit higher activity can be identified. However,...

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