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Near-ambient pressure X-ray photoelectron spectroscopy for a bioinert polymer film at a water interface

Polymer Journal volume 53, pages 907–912 (2021)Cite this article

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Abstract

A better understanding of the aggregation states of polymers in contact with water is a pivotal issue for the development of highly functional polymer devices that work under water. As a direct experimental method to achieve the above, we used near-ambient pressure X-ray photoelectron spectroscopy (NAP-XPS) on a poly(methyl methacrylate) (PMMA) film mixed with a small amount of a bottlebrush-type methacrylate polymer with oligo(2-ethyl-2-oxazoline) in its side chain portions, referred to as P[O(Ox)nMA], in a hydrated state. The results showed that P[O(Ox)nMA] was segregated at the surface of the PMMA film and suppressed the adhesion and activation of platelets on the film.

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Acknowledgements

We thank Dr Samir Mammadov from SPECS Surface Nano Analysis GmbH for fruitful discussions, especially concerning the NAP-XPS analysis. We wish to express our gratitude for the support from the JST-Mirai Program (JPMJMI18A2) (KT), JSPS KAKENHI Grant-in-Aids for Scientific Research (B) (JP20H02790) (KT) and (B) (JP18H02037) (HM), and for Early-Career Scientists (JP18K16990) (MT).

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Authors and Affiliations

  1. Department of Applied Chemistry, Kyushu University, Fukuoka, Japan

    Jin-Hyeok Hong, Masayasu Totani, Hisao Matsuno & Keiji Tanaka

  2. Tokyo Instruments, Incorporated, Tokyo, Japan

    Takashi Yamamoto

  3. SPECS Surface Nano Analysis GmbH, Berlin, Germany

    Paul M. Dietrich & Andreas Thissen

  4. Center for Polymer Interface and Molecular Adhesion Science, Kyushu University, Fukuoka, Japan

    Hisao Matsuno & Keiji Tanaka

  5. International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University, Fukuoka, Japan

    Hisao Matsuno & Keiji Tanaka

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  1. Jin-Hyeok Hong
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Correspondence to Hisao Matsuno or Keiji Tanaka.

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Hong, JH., Totani, M., Yamamoto, T. et al. Near-ambient pressure X-ray photoelectron spectroscopy for a bioinert polymer film at a water interface. Polym J 53, 907–912 (2021). https://doi.org/10.1038/s41428-021-00485-z

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