Structure of water incorporated in sulfobetaine polymer films as studied by ATR-FTIR

Hiromi Kitano, Takayuki Mori, Yuki Takeuchi, Susumu Tada, Makoto Gemmei-Ide, Yoshiyuki Yokoyama, Masaru Tanaka

Research output: Contribution to journalArticle

114 Citations (Scopus)

Abstract

The structure and hydrogen bonding of water in the vicinity of a thin film of a sulfobetaine copolymer (poly[(N,N-dimethyl-N-(3-sulfopropyl)-3′- methacrylamido-propanaminium inner salt)-ran-(butyl methacrylate)], poly(SPB-r-BMA)), were analyzed with band shapes of O-H stretching of attenuated total reflection infrared (ATR-IR) spectra. The copolymer could be cast as a thin film, of approximate thickness 10 μm, on a ZnSe crystal for the ATR-IR spectroscopy. At an early stage of sorption of water into the polymer film, the O-H stretching band of the IR spectra for the water incorporated in the film was similar to that for free water. This is consistent with the tendency for another zwitterionic polymeric material, poly[(2- methacryloyloxyethylphosphorylcholine)-ran-(butyl methacrylate)] (poly-(MPC-r-BMA). It is, however, contradictory to the drastic change in the O-H stretching band for water incorporated into films of polymers such as poly(2-hydroxyethyl methacrylate), poly(methyl methacrylate) and poly (butyl methacrylate). These results suggest that polymers with a zwitterionic structure do not significantly disturb the hydrogen bonding between water molecules incorporated in the thin films. The investigation into the blood-compatibility of both the poly(SPB-r-BMA) and the poly (MPC-r-BMA) films indicate a definite correlation between the blood-compatibility of the polymers and the lack of effect of the polymeric materials on the structure of the incorporated water.

Original languageEnglish
Pages (from-to)314-321
Number of pages8
JournalMacromolecular Bioscience
Volume5
Issue number4
DOIs
Publication statusPublished - Apr 19 2005
Externally publishedYes

Fingerprint

Fourier Transform Infrared Spectroscopy
Polymer films
Polymers
Water
Stretching
Hydrogen Bonding
Thin films
Hydrogen bonds
Blood
Copolymers
Hydrogen
sulfobetaine
Polymethyl methacrylates
Sorption
Infrared spectroscopy
Spectrum Analysis
Salts
Infrared radiation
Crystals
Molecules

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Bioengineering
  • Biomaterials
  • Polymers and Plastics
  • Materials Chemistry

Cite this

Structure of water incorporated in sulfobetaine polymer films as studied by ATR-FTIR. / Kitano, Hiromi; Mori, Takayuki; Takeuchi, Yuki; Tada, Susumu; Gemmei-Ide, Makoto; Yokoyama, Yoshiyuki; Tanaka, Masaru.

In: Macromolecular Bioscience, Vol. 5, No. 4, 19.04.2005, p. 314-321.

Research output: Contribution to journalArticle

Kitano, H, Mori, T, Takeuchi, Y, Tada, S, Gemmei-Ide, M, Yokoyama, Y & Tanaka, M 2005, 'Structure of water incorporated in sulfobetaine polymer films as studied by ATR-FTIR', Macromolecular Bioscience, vol. 5, no. 4, pp. 314-321. https://doi.org/10.1002/mabi.200400212
Kitano H, Mori T, Takeuchi Y, Tada S, Gemmei-Ide M, Yokoyama Y et al. Structure of water incorporated in sulfobetaine polymer films as studied by ATR-FTIR. Macromolecular Bioscience. 2005 Apr 19;5(4):314-321. https://doi.org/10.1002/mabi.200400212
Kitano, Hiromi ; Mori, Takayuki ; Takeuchi, Yuki ; Tada, Susumu ; Gemmei-Ide, Makoto ; Yokoyama, Yoshiyuki ; Tanaka, Masaru. / Structure of water incorporated in sulfobetaine polymer films as studied by ATR-FTIR. In: Macromolecular Bioscience. 2005 ; Vol. 5, No. 4. pp. 314-321.
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