| 摘要 |
PURPOSE:To form an org. ultrathin film appropriate for various sensors, molecular elements, etc., on a metallic substrate by providing a hydrogen bond by at least a couple of complementary nucleic acid bases in the extra-thin film structure and joining the ultrathin film to the surface of the metallic substrate through sulfur atom. CONSTITUTION:A hydrogen bond by at least a couple of complementary nucleic acid bases is provided in an ultrathin film structure, and the ultrathin film is joined to the surface of a metallic substrate through sulfur atom. The ultrathin film has a hydrogen bond by the complementary nucleic acid base consisting of a compd. having a nucleotide unit and an -SR group (R is a protective group for H or thiol) and a compd. having a nucleotide unit of the nucleic acid base complementary to the nucleic acid base of nucleotide in the molecule. This org. ultrathin film is most useful as the functional material for various sensors, molecular elements, etc.
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