Related Experiment Video
Updated: May 22, 2026

Fabrication of Electrochemical-DNA Biosensors for the Reagentless Detection of Nucleic Acids, Proteins and Small Molecules
Published on: June 1, 2011
Electrochemical DNA three-way junction based sensor for distinguishing chiral metallo-supramolecular complexes
Lingyan Feng1, Chuanqi Zhao, Yi Xiao
1Division of Biological Inorganic Chemistry, State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Graduate School of the Chinese Academy of Sciences, Chinese Academy of Sciences, Changchun, Jilin 130022, China.
Abstract:
Here we report a signal-on three-way junction based-electrochemical DNA sensor for distinguishing chiral metallo-supramolecular complexes with an enantioselective recognition ratio of about 3.5. This platform is easy to fabricate, simple to operate and readily regenerated.
Related Concept Videos
Complexation Equilibria: The Chelate Effect
Complexometric Titration: Ligands
EDTA: Chemistry and Properties

