Salt concentration dependence of swelling states for poly(sulfobetaine) brush at aqueous solution interface

Yuki Terayama, Moriya Kikuchi, Koji Mitamura, Motoyasu Kobayashi, Norifumi L. Yamada, Atsushi Takahara

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

Swelling states of poly(3-(N-2-methacryloyloxyethyl-N,Ndimethyl) ammonatopropanesulfonate) (MAPS) brush in aqueous solutions were investigated by atomic force microscopy (AFM) and neutron reflectivity measurement. The thickness of swollen poly(MAPS) brush evaluated by AFM was increased from 61 to 87 nm with an increase in NaCl concentration from 0 to 0.05 M, and was dramatically increased up to 153 nm at 0.5 M NaCl aqueous solution. At low salt concentration, poly(MAPS) brush chains formed shrunk structure due to the inter-and intrachain attractive electrostatic interactions, while the brush chains stretched up with increasing salt concentration due to the screening effect by hydrated salt ions.

Original languageEnglish
Title of host publicationAmphiphiles
Subtitle of host publicationMolecular Assembly and Applications
PublisherAmerican Chemical Society
Pages135-143
Number of pages9
ISBN (Print)9780841226500
DOIs
Publication statusPublished - Jan 1 2011

Publication series

NameACS Symposium Series
Volume1070
ISSN (Print)0097-6156
ISSN (Electronic)1947-5918

Fingerprint

Brushes
Swelling
Salts
Atomic force microscopy
Coulomb interactions
Screening
Neutrons
Ions
sulfobetaine

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Terayama, Y., Kikuchi, M., Mitamura, K., Kobayashi, M., Yamada, N. L., & Takahara, A. (2011). Salt concentration dependence of swelling states for poly(sulfobetaine) brush at aqueous solution interface. In Amphiphiles: Molecular Assembly and Applications (pp. 135-143). (ACS Symposium Series; Vol. 1070). American Chemical Society. https://doi.org/10.1021/bk-2011-1070.ch009

Salt concentration dependence of swelling states for poly(sulfobetaine) brush at aqueous solution interface. / Terayama, Yuki; Kikuchi, Moriya; Mitamura, Koji; Kobayashi, Motoyasu; Yamada, Norifumi L.; Takahara, Atsushi.

Amphiphiles: Molecular Assembly and Applications. American Chemical Society, 2011. p. 135-143 (ACS Symposium Series; Vol. 1070).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Terayama, Y, Kikuchi, M, Mitamura, K, Kobayashi, M, Yamada, NL & Takahara, A 2011, Salt concentration dependence of swelling states for poly(sulfobetaine) brush at aqueous solution interface. in Amphiphiles: Molecular Assembly and Applications. ACS Symposium Series, vol. 1070, American Chemical Society, pp. 135-143. https://doi.org/10.1021/bk-2011-1070.ch009
Terayama Y, Kikuchi M, Mitamura K, Kobayashi M, Yamada NL, Takahara A. Salt concentration dependence of swelling states for poly(sulfobetaine) brush at aqueous solution interface. In Amphiphiles: Molecular Assembly and Applications. American Chemical Society. 2011. p. 135-143. (ACS Symposium Series). https://doi.org/10.1021/bk-2011-1070.ch009
Terayama, Yuki ; Kikuchi, Moriya ; Mitamura, Koji ; Kobayashi, Motoyasu ; Yamada, Norifumi L. ; Takahara, Atsushi. / Salt concentration dependence of swelling states for poly(sulfobetaine) brush at aqueous solution interface. Amphiphiles: Molecular Assembly and Applications. American Chemical Society, 2011. pp. 135-143 (ACS Symposium Series).
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