Tough supersoft sponge fibers with tunable stiffness from a DNA self-assembly technique

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

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

Tough and soft: Highly porous, spongelike materials selfassemble by calcium ion condensation of DNA-wrapped carbon nanotubes (SWNTs-DNA; see picture, IL=ionic liquid). The toughness, modulus, and swellability of the electrically conductive sponges can be tuned by controlling the density and strength of interfiber junctions. The sponges have compliances similar to the softest natural tissue, while robust interfiber junctions give high toughness.

Original languageEnglish
Pages (from-to)5116-5120
Number of pages5
JournalAngewandte Chemie - International Edition
Volume48
Issue number28
DOIs
Publication statusPublished - 2009 Jun 29

Fingerprint

Self assembly
Toughness
DNA
Stiffness
Ionic Liquids
Carbon Nanotubes
Fibers
Ionic liquids
Porous materials
Condensation
Calcium
Carbon nanotubes
Ions
Tissue
Compliance

Keywords

  • Biosensors
  • Conducting materials
  • DNA structures
  • Nanotubes
  • Sponges

ASJC Scopus subject areas

  • Chemistry(all)
  • Catalysis

Cite this

Tough supersoft sponge fibers with tunable stiffness from a DNA self-assembly technique. / Lee, Chang Kee; Shin, Su Ryon; Mun, Ji Young; Han, Sung Sik; So, Insuk; Jeon, Juhong; Kang, Tong Mook; Kim, Sun I.; Whitten, Philip G.; Wallace, Gordon G.; Spinks, Geoffrey M.; Kim, Seon Jeong.

In: Angewandte Chemie - International Edition, Vol. 48, No. 28, 29.06.2009, p. 5116-5120.

Research output: Contribution to journalArticle

Lee, CK, Shin, SR, Mun, JY, Han, SS, So, I, Jeon, J, Kang, TM, Kim, SI, Whitten, PG, Wallace, GG, Spinks, GM & Kim, SJ 2009, 'Tough supersoft sponge fibers with tunable stiffness from a DNA self-assembly technique', Angewandte Chemie - International Edition, vol. 48, no. 28, pp. 5116-5120. https://doi.org/10.1002/anie.200804788
Lee, Chang Kee ; Shin, Su Ryon ; Mun, Ji Young ; Han, Sung Sik ; So, Insuk ; Jeon, Juhong ; Kang, Tong Mook ; Kim, Sun I. ; Whitten, Philip G. ; Wallace, Gordon G. ; Spinks, Geoffrey M. ; Kim, Seon Jeong. / Tough supersoft sponge fibers with tunable stiffness from a DNA self-assembly technique. In: Angewandte Chemie - International Edition. 2009 ; Vol. 48, No. 28. pp. 5116-5120.
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