Layer-by-layer assembly of RNA/single-walled carbon nanotube nanocomposites

Ayumi Ishibashi, Yoshifumi Yamaguchi, Hiroto Murakami, Naotoshi Nakashima

    Research output: Contribution to journalArticlepeer-review

    40 Citations (Scopus)

    Abstract

    Single-walled carbon nanotubes (SWNTs) were dissolved in aqueous solutions of three different RNAs, poly(A), poly(C) and poly(G). The so-called layer-by-layer technique was applied to fabricate a thin film from RNA-dissolved SWNT solutions on a substrate. Scanning electron microscopy and UV-Vis-near IR and Raman spectroscopies revealed that the films were constituted of the RNAs and SWNTs. No such multilayer films were obtained when poly(A) was used instead of poly(C), indicating the importance of complementary base pairing between nucleic bases G and C for the formation of the films on the substrate.

    Original languageEnglish
    Pages (from-to)574-577
    Number of pages4
    JournalChemical Physics Letters
    Volume419
    Issue number4-6
    DOIs
    Publication statusPublished - Feb 26 2006

    All Science Journal Classification (ASJC) codes

    • Physics and Astronomy(all)
    • Physical and Theoretical Chemistry

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