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Thiolated nucleic acid hairpin nanostructures that include in their stem region a “caged” G‐quadruplex sequence, and in their single‐stranded loop region oligonucleotide recognition sequences for DNA, adenosine monophosphate (AMP), or Hg2+ ions were linked to bare Au surfaces or to Au nanoparticles (NPs) linked to Au surfaces. The opening of the hairpin nanostructures associated with the bare Au surface...
Metallic nanoparticles (NPs) of unique electronic and catalytic properties, or supramolecular nucleic acid‐based nanostructures, provide new materials for electroanalytical applications. Metallic NPs are used for the electrical contacting of redox enzymes with electrodes and as electrocatalysts for the development of amperometric biosensors. DNA is used as a template for electroanalytical applications,...
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