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SPECTRAL AND TEMPORAL LASER FLUORESCENCE ANALYSIS SUCH AS FOR NATURAL AQUATIC ENVIRONMENTS
SPECTRAL AND TEMPORAL LASER FLUORESCENCE ANALYSIS SUCH AS FOR NATURAL AQUATIC ENVIRONMENTS
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机译:用于自然水生环境的光谱和时间激光荧光分析
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摘要
An Advanced Laser Fluorometer (ALF) can combine spectrally and temporally resolved measurements of laser-stimulated emission (LSE) for characterization of dissolved and particulate matter, including fluorescence constituents, in liquids. Spectral deconvolution (SDC) analysis of LSE spectral measurements can accurately retrieve information about individual fluorescent bands, such as can be attributed to chlorophyll-a (Chl-a), phycobiliprotein (PBP) pigments, or chromophoric dissolved organic matter (CDOM), among others. Improved physiological assessments of photosynthesizing organisms can use SDC analysis and temporal LSE measurements to assess variable fluorescence corrected for SDC-retrieved background fluorescence. Fluorescence assessments of Chl-a concentration based on LSE spectral measurements can be improved using photo-physiological information from temporal measurements. Quantitative assessments of PBP pigments, CDOM, and other fluorescent constituents, as well as basic structural characterizations of photosynthesizing populations, can be performed using SDC analysis of LSE spectral measurements.
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