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Photo-Osmosis through liquid membrane bilayers generated byβ-carotene coupled with bacteriorhodopsin

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Abstract

β-carotene, a photosynthetic pigment isolated from the blue green algaeAnabeana variabilis has been shown to exhibit the phenomenon of photo-osmosis through liquid membrane bilayers. In our search for new pigments that could show this phenomenon, we found β-carotene also. When β-carotene was combined with bacteriorhodopsin extracted from the extreme halophileHalobacterium halobium, the rate of photo-osmotic velocity was much higher than for either of these pigments independently. The rate of light induced volume flux depends on temperature, intensity, and wavelength of incident light and the nature and concentration of electron donors and acceptors.

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Authors and Affiliations

  1. Post-Graduate Department of Biosciences, Sardar Patel University, Vallabh Vidyanagar, 388120, Gujarat, India

    D. B. Madamwar & N. Jain

Authors
  1. D. B. Madamwar
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  2. N. Jain
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Madamwar, D.B., Jain, N. Photo-Osmosis through liquid membrane bilayers generated byβ-carotene coupled with bacteriorhodopsin. Appl Biochem Biotechnol 37, 191–199 (1992). https://doi.org/10.1007/BF02921670

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  • DOI: https://doi.org/10.1007/BF02921670

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