Zhichao Ding, Gaofang Yin, Nanjing Zhao, Tingting Gan, Peilong Qi, Mengyuan Gu, Min Chen, Lu Wang, Ming Dong, Peng Huang, Mingjun Ma, Li Fang, Ruifang Yang. Method for Determining Characteristic Time of J and I Points of OJIP Fluorescence Kinetic Curve[J]. Acta Optica Sinica, 2022, 42(8): 0826001
- Acta Optica Sinica
- Vol. 42, Issue 8, 0826001 (2022)
Fig. 1. Measurement system of algae OJIP fluorescence kinetics
Fig. 2. OJIP curve of Chlorella vulgaris
Fig. 3. Fluorescence kinetics of Chlorella vulgaris and calculation results of J, I characteristic time. (a) Exponential function analysis method; (b) curvature analysis method
Fig. 4. Fluorescence kinetics of Chlorella pyrenoidosa and calculation results of J, I characteristic time. (a) Exponential function analysis method; (b) curvature analysis method
Fig. 5. Fluorescence kinetics of Scenedesmus dimorpha and calculation results of J, I characteristic time. (a) Exponential function analysis method; (b) curvature analysis method
Fig. 6. Fluorescence kinetics of Cylindrotheca closterium and calculation results of J, I characteristic time. (a) Exponential function analysis method; (b) curvature analysis method
Fig. 7. OJIP curve of Chlorella vulgaris under DCUM stress
Fig. 8. VJ varying with DCMU concentration
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Table 1. Results of characteristic time of J, I points for four kinds of algae calculated by exponential function analysis method
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Table 2. Change of characteristic time of J point under DCMU stressunit: ms
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