Abstract
The electrochromic behaviour of carotenoids has been widely used to determine the electrical potential difference (∆ψ) across photosynthetic membranes, like chromatophores [1] and bacterial cells [2,3]. The carotenoid absorbance change has several advantages over other methods for recording the ∆ψ: (i) the method is non-invasive, (ii) the relationship between the ∆ψ and the absorbance change is linear and (iii) the method shows a rapid response time. The major disadvantage of the carotenoid band shift as a ∆ψ indicator is that a calibration of the ∆ψ dependent bandshifts is not (always) possible in every experimental system [3].
Keywords
- Difference Spectrum
- Absorbance Change
- Photosynthetic Membrane
- Electrical Potential Difference
- Rhodopseudomonas Palustris
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Crielaard, W., Hellingwerf, K.J., Konings, W.N. (1990). Carotenoid Absorbance Changes in Liposomes Reconstituted with Pigment-Protein Complexes from Rhodobacter Sphaeroides . In: Drews, G., Dawes, E.A. (eds) Molecular Biology of Membrane-Bound Complexes in Phototrophic Bacteria. FEMS Symposium. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-0893-6_33
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DOI: https://doi.org/10.1007/978-1-4757-0893-6_33
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