Enhancement of the Hydrogen-Bonding Network of Water Confined in a Polyelectrolyte Brush

Enhancement of the Hydrogen-Bonding Network of Water Confined in a Polyelectrolyte Brush

Water existing in the vicinity of polyelectrolytes exhibits unique structural properties, which demonstrate key roles in chemistry, biology, and geoscience. In this study, X-ray absorption and emission spectroscopy was employed to observe the local hydrogen-bonding structure of water confined in a c...

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Veröffentlicht in:Langmuir 2017-04, Vol.33 (16), p.3954-3959
Hauptverfasser: Yamazoe, Kosuke, Higaki, Yuji, Inutsuka, Yoshihiro, Miyawaki, Jun, Cui, Yi-Tao, Takahara, Atsushi, Harada, Yoshihisa
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container_end_page 3959
container_issue 16
container_start_page 3954
container_title Langmuir
container_volume 33
creator Yamazoe, Kosuke
Higaki, Yuji
Inutsuka, Yoshihiro
Miyawaki, Jun
Cui, Yi-Tao
Takahara, Atsushi
Harada, Yoshihisa
description Water existing in the vicinity of polyelectrolytes exhibits unique structural properties, which demonstrate key roles in chemistry, biology, and geoscience. In this study, X-ray absorption and emission spectroscopy was employed to observe the local hydrogen-bonding structure of water confined in a charged polyelectrolyte brush. Even at room temperature, a majority of the water molecules confined in the polyelectrolyte brush exhibited one type of hydrogen-bonding configuration: a slightly distorted, albeit ordered, configuration. The findings from this study provide new insight in terms of the correlation between the function and local structure of water at the interface of biological materials under physiological conditions.
doi_str_mv 10.1021/acs.langmuir.7b00243
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title Enhancement of the Hydrogen-Bonding Network of Water Confined in a Polyelectrolyte Brush
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