Preparation and characterization of imogolite/DNA Hybrid Hydrogels

Nattha Jiravanichanun, Kazuya Yamamoto, Kenichi Kato, Jungeun Kim, Shin Horiuchi, Weng On Yah, Hideyuki Otsuka, Atsushi Takahara

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Imogolite is one of the clay minerals contained in volcanic ash soils. The novel hybrid hydrogels were prepared from imogolite nanofibers and DNA by utilizing strong interaction between the aluminol groups on imogolite surface and phosphate groups of DNA. The hybrid hydrogels of imogolite and DNA were prepared in various feed ratios, and their physicochemical properties and molecular aggregation states were investigated in both dispersion and gel states. The maximum DNA content in the hybrid gels was shown in equivalent molar ratio of imogolite and DNA. The physical properties of the hybrid gels were changed by varying DNA blend ratios. In the dispersion state, the hybrid gels showed a fibrous structure of imogolite, whereas a continuous network structure was observed in pure imogolite, indicating that the hybrid with DNA enhanced the dispersion of imogolite. In the gel state, DNA and imogolite nanofibers formed a 3D network structure.

Original languageEnglish
Pages (from-to)276-281
Number of pages6
JournalBiomacromolecules
Volume13
Issue number1
DOIs
Publication statusPublished - Jan 9 2012

Fingerprint

Hydrogels
DNA
Gels
Nanofibers
Ashes
Volcanic Eruptions
Clay minerals
Phosphates
Agglomeration
Physical properties
Soils

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Biomaterials
  • Polymers and Plastics
  • Materials Chemistry

Cite this

Jiravanichanun, N., Yamamoto, K., Kato, K., Kim, J., Horiuchi, S., Yah, W. O., ... Takahara, A. (2012). Preparation and characterization of imogolite/DNA Hybrid Hydrogels. Biomacromolecules, 13(1), 276-281. https://doi.org/10.1021/bm201616m

Preparation and characterization of imogolite/DNA Hybrid Hydrogels. / Jiravanichanun, Nattha; Yamamoto, Kazuya; Kato, Kenichi; Kim, Jungeun; Horiuchi, Shin; Yah, Weng On; Otsuka, Hideyuki; Takahara, Atsushi.

In: Biomacromolecules, Vol. 13, No. 1, 09.01.2012, p. 276-281.

Research output: Contribution to journalArticle

Jiravanichanun, N, Yamamoto, K, Kato, K, Kim, J, Horiuchi, S, Yah, WO, Otsuka, H & Takahara, A 2012, 'Preparation and characterization of imogolite/DNA Hybrid Hydrogels', Biomacromolecules, vol. 13, no. 1, pp. 276-281. https://doi.org/10.1021/bm201616m
Jiravanichanun N, Yamamoto K, Kato K, Kim J, Horiuchi S, Yah WO et al. Preparation and characterization of imogolite/DNA Hybrid Hydrogels. Biomacromolecules. 2012 Jan 9;13(1):276-281. https://doi.org/10.1021/bm201616m
Jiravanichanun, Nattha ; Yamamoto, Kazuya ; Kato, Kenichi ; Kim, Jungeun ; Horiuchi, Shin ; Yah, Weng On ; Otsuka, Hideyuki ; Takahara, Atsushi. / Preparation and characterization of imogolite/DNA Hybrid Hydrogels. In: Biomacromolecules. 2012 ; Vol. 13, No. 1. pp. 276-281.
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