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Updated: Apr 17, 2026

13:15
Fabrication of Electrochemical-DNA Biosensors for the Reagentless Detection of Nucleic Acids, Proteins and Small Molecules
Published on: June 1, 2011
34.9K
Scaling up an electrochemical signal with a catalytic hairpin assembly coupling nanocatalyst label for DNA detection
Xu Hun1, Guoliang Xie, Xiliang Luo
1Key Laboratory of Sensor Analysis of Tumor Marker, Ministry of Education, Shandong Provincial Key Laboratory Of Biochemical Analysis, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China. hunxu@sohu.com xiliangluo@hotmail.com.
Abstract:
A strategy for the electrochemical detection of DNA based on catalytic hairpin assembly combined with nanocatalyst label-based redox cycling reaction signal amplification. A superior detection limit of 0.3 aM toward DNA can be achieved.

