Abstract
This chapter presents an overview of optical stimulation of neural cells by synthetic chromophores and their potential use in the field of artificial sight. The chromophores and techniques that are discussed include azo chromophores, photo release of caged neurotransmitters, pore blockers and photoisomerization, the channelrhodopsins, melanopsin, and the Photosystem I reaction center of green plants.
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Abbreviations
- ATR:
-
All-trans retinal
- ChR:
-
Channel rhodopsin
- Cy5:
-
Red-emitting cyanine-based fluorescent dye
- DIC:
-
Differential interference contrast microscopy
- FITC:
-
Fluorescein isothiocyanate
- PSI:
-
Photosystem I reaction center
- UV:
-
Ultraviolet light
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Acknowledgments
The author thanks M. S. Humayun, J. D. Weiland, T. Kuritz, I. Lee, C. P. Pennisi, C. A. Sanders, B. R. Evans, and H. M. O’Neill for advice, support and discussions. This work was supported by the Office of Biological and Environmental Research, U.S. Department of Energy. Oak Ridge National Laboratory is managed by UT-Battelle, LLC for the U. S. Department of Energy under Contract No. DE-AC05-00OR22725.
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Greenbaum, E., Evans, B.R. (2011). Synthetic Chromophores and Neural Stimulation of the Visual System. In: Dagnelie, G. (eds) Visual Prosthetics. Springer, Boston, MA. https://doi.org/10.1007/978-1-4419-0754-7_10
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DOI: https://doi.org/10.1007/978-1-4419-0754-7_10
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