Fabrication and BSA Adsorption/Desorption Properties of Titania/Silica Composite Films Modified with Silane Coupling Agents

Hirobumi Shibata; Ryota Shinozaki; Taku Ogura; Hideki Sakai; Masahiko Abe; Gota Kawai; Kazuaki Hashimoto

doi:10.5650/jos.ess14102

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Fabrication and BSA Adsorption/Desorption Properties of Titania/Silica Composite Films Modified with Silane Coupling Agents

Hirobumi Shibata, Ryota Shinozaki, Taku Ogura, Hideki Sakai, Masahiko Abe, Gota Kawai, Kazuaki Hashimoto

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Keywords: Photoinduced Superhydrophilicity, Titania, Bovine Serum Albumin

JOURNAL FREE ACCESS

2014 Volume 63 Issue 10 Pages 1077-1083

DOI https://doi.org/10.5650/jos.ess14102

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Abstract

In this study, we successfully prepared titania/silica composite films modified with silane coupling agents having amino groups and investigated their bovine serum albumin (BSA) adsorption/desorption behavior under light irradiation. XRD patterns and ATR/FT-IR spectra of the films revealed the formation of titania/silica composite films modified with silane coupling agents. In these films, the adsorption and desorption of BSA could be controlled by light irradiation, through the locally photoinduced superhydrophilic titania surface.

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