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Ferroceneacetyl naphthalene diimide as a new electrochemical ligand for DNA sensing

S Sato¹, K Yamashita, M Takagi

¹Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, Fukuoka 812-8581, Japan.

Nucleic Acids Symposium Series

|August 9, 2003

Abstract:

New electrochemically active DNA ligand 1 was synthesized by the connection of ferroceneacetic acid at the terminal amino moieties of two imide substituents of naphthalene diimide. Electrochemical experiments in aqueous solution containing DMSO showed that the selectivity for double stranded DNA of 1 has increased from that of ligand 2 previously reported. The peak current of 1 shifted toward the negative side from that of 2, thereby shortening the time required for gene detection.

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