A Cascade Signal Amplification Strategy for the Ultrasensitive Fluorescence Detection of Cu<sup>2+</sup> via λ-Exonuclease-Assisted Target Recycling with Mismatched Catalytic Hairpin Assembly
Herein, an ultrasensitive DNAzyme-based fluorescence biosensor for detecting Cu<sup>2+</sup> was designed using the cascade signal amplification strategy, coupling λ-exonuclease-assisted target recycling and mismatched catalytic hairpin assembly (MCHA). In the designed detection system,...
Main Authors: | , , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2023-10-01
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Series: | Biosensors |
Subjects: | |
Online Access: | https://www.mdpi.com/2079-6374/13/10/918 |