Diagnostics of primary photosynthesis processes by laser saturation fluorometry

Alexander M. Chekalyuk; Viktor V. Fadeev; M. Yu. Gorbunov

doi:10.1117/12.146157

17 June 1993 Diagnostics of primary photosynthesis processes by laser saturation fluorometry

Alexander M. Chekalyuk, Viktor V. Fadeev, M. Yu. Gorbunov

Proceedings Volume 1921, Laser Spectroscopy of Biomolecules; (1993) https://doi.org/10.1117/12.146157
Event: Laser Spectroscopy of Biomolecules: 4th International Conference on Laser Applications in Life Sciences, 1992, Jyvaskyla, Finland

Abstract

New results of application of laser saturation fluorometry, relying on the measurement and analysis of nonlinear characteristics of laser-induced chlorophyll-a fluorescence, for study of primary photosynthesis processes and diagnostics of unfavorable environmental influences (nutrients depletion; presence of herbicides, heavy metal ions, etc.) on alga photosynthetic apparatus are reported. Mechanisms of the changes in fluorescent characteristics under these influences as well as structural and functional modifications to photosynthetic apparatus, causing these changes, are analyzed. It is shown that the laser saturation fluorometry permits to selectively identify different environmental influences oppressing photosynthesis.

Citation Download Citation

Alexander M. Chekalyuk, Viktor V. Fadeev, and M. Yu. Gorbunov "Diagnostics of primary photosynthesis processes by laser saturation fluorometry", Proc. SPIE 1921, Laser Spectroscopy of Biomolecules, (17 June 1993); https://doi.org/10.1117/12.146157

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