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Colloid and Polymer Science

, Volume 297, Issue 1, pp 23–34 | Cite as

Oxidation-responsive cubic phase incorporating poly(hydroxyethyl acrylamide-co-phenyl vinyl sulfide)

  • Seok Ho Park
  • Jin-Chul KimEmail author
Original Contribution
  • 17 Downloads

Abstract

Oxidation-responsive monoolein (MO) cubic phase was prepared by including poly(hydroxyethyl acrylamide-co-phenyl vinyl sulfide) (P(HEAA-co-PVS)) in the water channel of the cubic phase. X-ray photon spectroscopy revealed that the sulfide moiety (i.e., the PVS unit) of the copolymers was oxidized to the sulfoxide moiety and the sulfone one after they were treated with H2O2. The interfacial activity of P(HEAA-co-PVS) markedly decreased by H2O2, possibly because the PVS unit was oxidized and the amphiphilicity of the copolymer decreased. The release degree of Allura Red AC (a dye) loaded in the cubic phase containing P(HEAA-co-PVS) was higher as the H2O2 concentration was higher. The copolymer would lose most of its surface activity upon oxidation and it could diffuse out of the water channel, leading to a reduction in the diffusion resistance and a promoted release.

Keywords

Cubic phase Poly(hydroxyethyl acrylamide-co-phenyl vinyl sulfide) Stimuli-responsive release Oxidation 

Notes

Funding information

This research was supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (No. 2018R1A6A1A03025582).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of Medical Biomaterials Engineering, College of Biomedical Science and Institute of Bioscience and BiotechnologyKangwon National UniversityChuncheonRepublic of Korea

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