Optical characteristics of the phototroph Thiocapsa roseopersicina and implications for real-time monitoring of the bacteriochlorophyll concentration. |
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| Authors: | A Gitelson R Stark I Dor O Michelson Y Z Yacobi |
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| Institution: | Remote Sensing Laboratory, J. Blaustein Institute for Desert Research and Department of Geological and Environmental Sciences, Ben-Gurion University of the Negev, Sde-Boker 84990, Israel. gitelson@bgumail.bgu.ac.il |
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| Abstract: | Optical characteristics of a Thiocapsa roseopersicina culture and environmental samples containing T. roseopersicina were investigated in the spectral range of 400 to 1,100 nm (absorption coefficient, diffuse attenuation coefficient, and reflectance). Specific absorption coefficients of T. roseopersicina at wavelengths of 480, 520, 550, 580, 805, 860, and 880 nm were determined. It is suggested that the optical properties of T. roseopersicina in the near-infrared range of 800 to 930 nm, confirmed in this study, may be used for development of remote sensing techniques for real-time monitoring of T. roseopersicina and other bacteriochlorophyll a-containing microbes. |
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