First thermally responsive supramolecular polymer based on glycosylated amino acid

Shigeki Kiyonaka, Kazunori Sugiyasu, Seiji Shinkai, Itaru Hamachi

Research output: Contribution to journalArticle

277 Citations (Scopus)

Abstract

In materials science, a dynamic property sensitive to an environmental change (heat, light, electric current, pH, and other chemical or physical changes) is indispensable for intelligent materials. Such organic materials, however, are very limited even in conventional polymers. This paper clearly demonstrates that, regardless of the low molecular weight, a glycosylated amino acid derivative newly screened by a combinatorial method forms a macroscopic supramolecular hydrogel that reversibly swells or shrinks in response to the external temperature. Using the unique thermal response of the present hydrogel, we carried out the controlled release of DNA and the perfect removal of bisphenol A from the polluted water. Recently, advanced supramolecular polymers, in which monomers are noncovalently connected, are expected to be highly advantageous over traditional polymers because of their tunable and recyclable characteristics. The present result newly confers a dynamic feature on the supramolecular polymers, which is desirable for the sophisticated application in many fields.

Original languageEnglish
Pages (from-to)10954-10955
Number of pages2
JournalJournal of the American Chemical Society
Volume124
Issue number37
DOIs
Publication statusPublished - Sep 18 2002

Fingerprint

Amino acids
Polymers
Amino Acids
Hydrogel
Hydrogels
Hot Temperature
Intelligent materials
Electric currents
Materials science
DNA
Monomers
Molecular Weight
Molecular weight
Derivatives
Light
Temperature
Water

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

Cite this

First thermally responsive supramolecular polymer based on glycosylated amino acid. / Kiyonaka, Shigeki; Sugiyasu, Kazunori; Shinkai, Seiji; Hamachi, Itaru.

In: Journal of the American Chemical Society, Vol. 124, No. 37, 18.09.2002, p. 10954-10955.

Research output: Contribution to journalArticle

Kiyonaka, Shigeki ; Sugiyasu, Kazunori ; Shinkai, Seiji ; Hamachi, Itaru. / First thermally responsive supramolecular polymer based on glycosylated amino acid. In: Journal of the American Chemical Society. 2002 ; Vol. 124, No. 37. pp. 10954-10955.
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