学術雑誌論文 生長段階での微細藻類バイオマス量の間接的測定法の評価
Evaluation of Indirect Measuring Methods for Microalgae Biomass at the Growth Stages

山口, 航平  ,  奥村, 真子  ,  三木, 理

65 ( 10 )  , pp.559 - 562 , 2016-11-08 , 日本分析化学会 = Japan Society for Analytical Chemistry
ISSN:0525-1931
NII書誌ID(NCID):AN00222633
内容記述
mikiosamu@se.kanazawa-u.ac.jp
The quantity of microalgae biomass has been evaluated mainly based on the cell density and dry weight. However, these direct measurement methods requires much time and effort. Therefore, indirect methods have been developed for rapid and easier measurements. Major examples are methods that take chlorophyll to account, such as an absorbance measuring method and a fluorescence intensity method. Since there was a report that the chlorophyll content changes at various microalgae growth stages, the accuracy of the measurement through various growth stages must be confirmed. Therefore, in this study, we examined the compatibility and accuracy of three indirect measurement methods: absorbance measuring method, fluorescence intensity method, and Coulter Counter method at each growth stage of microalgae. As a results, each indirect methods showed a high correction coefficient to both the cell density and the dry weight; no influence was observed regarding the growth stage and the measurement accuracy. However, each indirect method had their own characteristics. By considering the microalgae characteristic and the growth environment, a more accurate measurement can be made.
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