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Abstract | Cited by

By employing DNAzyme as a recognition group and amplifier, and DNA-stabilized silver nanoclusters (DNA/AgNCs) as signal reporters, we reported for the first time a label-free catalytic and molecular beacon as an amplified biosensing platform for highly selective detection of cofactors such as Pb2+ and L-histidine.

Graphical abstract: Ag nanocluster-based label-free catalytic and molecular beacons for amplified biosensing

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