Applied Biochemistry and Biotechnology

, Volume 120, Issue 2, pp 121–132 | Cite as

Effect of dehydration on photoinduced transformation in gelatin films made with 14-fluoro bacteriorhodopsin derivatives

  • Anna B. Druzhko
  • Sergey K. Pirutin
  • Angel R. de Lera
  • Rosana Alvarez
  • Howard H. Weetall
Original Articles


Photoinduced transformation in gelatin films made with 14-fluoro bacteriorhodopsin derivatives, both wild-type (WT) and D96N mutant, were studied. Spectral and kinetic peculiarities for these two types of samples were compared over a wide range of relative humidity (9–92%). Analysis of the results considered two existing photoinduced processes that occur in suspensions and films of corresponding pigments. It was demonstrated that there is a range of humidity in which the performance of fluorine WT bacteriorhodopsin gelatin films may offer a technological advantage compared with fluorine D96N bacteriorhodopsin.

Index Entries

Photoinduced transformation bacteriorhodopsin all-trans retinal relative humidity gelatin films red-shifted species 


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Copyright information

© Humana Press Inc. 2005

Authors and Affiliations

  • Anna B. Druzhko
    • 1
  • Sergey K. Pirutin
    • 1
  • Angel R. de Lera
    • 2
  • Rosana Alvarez
    • 2
  • Howard H. Weetall
    • 3
  1. 1.Institute of Theoretical and Experimental Biophysics Russian Academy of SciencesRussia
  2. 2.Department of Organic ChemistryUniversity de VigoVigoSpain
  3. 3.National Association for Hispanic Elderly at the U.S. Environmental Protection AgencyLas Vegas

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