DNA hydrogel fiber with self-entanglement prepared by using an ionic liquid

Chang Kee Lee, Su Ryon Shin, Sun Hee Lee, Ju Hong Jeon, Insuk So, Tong Mook Kang, Sun I. Kim, Ji Young Mun, Sung Sik Han, Geoffrey M. Spinks, Gordon G. Wallace, Seon Jeong Kim

    Research output: Contribution to journalArticlepeer-review

    51 Citations (Scopus)

    Abstract

    (Figure Presented) Spinning strands: A hydrogel fiber made entirely of DNA without any covalent cross-links, composed of intertwined toroid entanglements of flexible DNA strands (see scheme), was prepared by a one-step wet-spinning method with a hydrophilic ionic liquid as the condensing agent and coagulation solvent. The internal structure of the fiber was a disordered arrangement of strands with a B-DNA form. The fiber was also stable in various aqueous solutions.

    Original languageEnglish
    Pages (from-to)2470-2474
    Number of pages5
    JournalAngewandte Chemie - International Edition
    Volume47
    Issue number13
    DOIs
    Publication statusPublished - 2008 Mar 14

    Keywords

    • DNA
    • Hydrogels
    • Ionicliquids
    • Swelling behavior

    ASJC Scopus subject areas

    • Catalysis
    • General Chemistry

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