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Preparation of a cross-linked gelatin/bacteriorhodopsin film and its photochromic properties |
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| Authors: | WANG YaZhuo WU Jia MA DeWang & DING Ji ong Key Laboratory of Molecular Engineering of Polymers of Ministry of Education |
| Institution: | WANG YaZhuo,WU Jia,MA DeWang & DING JianDong* Key Laboratory of Molecular Engineering of Polymers of Ministry of Education,Department of Macromolecular Science,Fudan University,Shanghai 200433,China |
| 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 crosslinked 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... |
| Keywords: | bacteriorhodopsin photochromic protein natural macromolecule functional polymer photoresponsive materials |
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