Frequency response analysis of oxygen evolution by algae |
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| Affiliation: | 1. Research Institute for Interdisciplinary Science, Okayama University, Okayama, 700-8530, Japan;2. Center for Computational Science, University of Tsukuba, Tsukuba, Ibaraki, 305-8577, Japan;3. Institute for NanoScience Design, Osaka University, Toyonaka, Osaka, 560-0043, Japan;1. Dipartimento di Ingegneria e Scienze dell’Informazione e Matematica, Università degli studi dell’Aquila, Via Vetoio (Coppito), 67100 L’Aquila, Italy;2. Dipartimento di Scienze Fisiche e Chimiche, Universitá degli studi dell’Aquila, Via Vetoio (Coppito), 67100 L’Aquila, Italy;1. Aquatic Ecology Department, Center for Ecology, Evolution, and Biogeochemistry, Eawag, 6047 Kastanienbaum, Switzerland;2. Fish Ecology and Evolution Department, Center for Ecology, Evolution, and Biogeochemistry, Eawag, 6047 Kastanienbaum, Switzerland;3. Department of Biology, University of Fribourg, 1700 Fribourg, Switzerland;4. Zoological Institute, University of Basel, 4051 Basel, Switzerland;5. Institute of Ecology and Evolution, University of Bern, 3012 Bern, Switzerland;1. Ocean Colour Applications and Measurement Division, Earth and Climate Sciences, National Remote Sensing Centre, Dept. of Space, Hyderabad 500037, India;2. Chilika Development Authority, Dept. of Forest and Environment, Govt. of Odisha, 751014, India;1. Department of Zoology and Biodiversity Research Centre, University of British Columbia, 4200–6270 University Boulevard, Vancouver, BC V6T1Z4, Canada |
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| Abstract: | Common photosynthetic organisms were excited with steps, pulses, or sine waves of light as dissolved oxygen was measured with a microelectrode. Frequency response analysis revealed two fundamental time constants of 4 and 16 s. These time constants are assigned provisionally to processes for mass transfer and to the biochemical reactions of reduction of carbon dioxide. |
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