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Optical Analysis of Hg2+ Ions by Oligonucleotide–Gold-Nanoparticle Hybrids and DNA-Based Machines

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  • This research is supported by the EC VSN project. We thank Mr. Roni Nowarski and Dr. Xiaomeng Sui for their assistance in the gel electrophoresis and TEM experiments.

Abstract

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Strand and deliver: Two different optical methods to analyze Hg2+ ions based on the formation of thymine–Hg2+ complexes are developed. These methods include the analysis of Hg2+ ions by using aggregated gold nanoparticles and by using a DNA-based machine (see scheme).

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