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Preparation of a cross-linked gelatin/bacteriorhodopsin film and its photochromic properties

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Abstract

Bacteriorhodopsin (BR) is a photochromic membrane protein isolated from a strain of halobacteria. Embedment of BR into a polymeric matrix enables the application of the photoactive protein as an optical material. In this work, a chemically cross-linked BR/gelatin film was prepared. The cross-linked film was found to be highly stable even under extreme alkaline or detergent circumstance while BR maintained its bioactivity. The treatments of base and detergents also led to dramatic prolongation of the lifetime of M photoproduct, which might be beneficial for potential applications such as information storage. The BR/gelatin film was demonstrated to tentatively record a simple pattern.

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Authors and Affiliations

  1. Key Laboratory of Molecular Engineering of Polymers of Ministry of Education; Department of Macromolecular Science, Fudan University, Shanghai, 200433, China

    YaZhuo Wang, Jia Wu, DeWang Ma & JianDong Ding

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  1. YaZhuo Wang
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  2. Jia Wu
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  3. DeWang Ma
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  4. JianDong Ding
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Wang, Y., Wu, J., Ma, D. et al. Preparation of a cross-linked gelatin/bacteriorhodopsin film and its photochromic properties. Sci. China Chem. 54, 405–409 (2011). https://doi.org/10.1007/s11426-010-4213-7

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  • DOI: https://doi.org/10.1007/s11426-010-4213-7

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