Response Characteristics of Different Photosynthetic Fluorescence Parameters of Microalgae to Toxicity of Chlorinated Disinfection By-products

Tingting Gan; Gaofang Yin; Nanjing Zhao; Ying Wang; Xiaoxuan Tan; Ziqi Ye

doi:10.3788/AOS230766

Acta Optica Sinica, Volume. 43, Issue 24, 2430005(2023)

Response Characteristics of Different Photosynthetic Fluorescence Parameters of Microalgae to Toxicity of Chlorinated Disinfection By-products

Tingting Gan^1,2,3, Gaofang Yin^1,2,3、*, Nanjing Zhao^1,2,3、**, Ying Wang^1,2,3, Xiaoxuan Tan^1,2,3, and Ziqi Ye⁴

Author Affiliations

¹Key Laboratory of Environmental Optics and Technology, Chinese Academy of Sciences, Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, Anhui , China

²University of Science and Technology of China, Hefei 230026, Anhui , China

³Key Laboratory of Optical Monitoring Technology for Environment of Anhui Province, Hefei 230031, Anhui , China

⁴Hefei University of Technology, Hefei 230009, Anhui , China

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Figures & Tables(9)

Fig. 1. Changes of four photosynthetic fluorescence parameters of Chlorella pyrenoidosa with incubation time

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Fig. 2. Changes of PI_ABS inhibition ratio of Chlorella pyrenoidosa exposed to chloroacetic acid and trichloroacetonitrile with algae cell density and environmental temperature. (a) Algae cell density; (b) environmental temperature

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Fig. 3. Average values of four photosynthetic fluorescence parameters of Chlorella pyrenoidosa stressed by chloroacetic acid with different mass concentrations for 2 h. (a) F_v/F_o; (b) F_m/F_o; (c) F_v/F_m; (d) PI_ABS

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Fig. 4. Average values of four photosynthetic fluorescence parameters of Chlorella pyrenoidosa stressed by trichloroacetonitrile with different mass concentrations for 2 h. (a) F_v/F_o; (b) F_m/F_o; (c) F_v/F_m; (d) PI_ABS

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Fig. 5. Logistic dose-response relationship between photosynthetic fluorescence parameters and mass concentration of chloroacetic acid at exposure time of 2 h. (a) F_v/F_o; (b) F_m/F_o; (c) F_v/F_m; (d) PI_ABS

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Fig. 6. Logistic dose-response relationship between photosynthetic fluorescence parameters and mass concentration of trichloroacetonitrile at exposure time of 2 h. (a) F_v/F_o; (b) F_m/F_o; (c) F_v/F_m; (d) PI_ABS

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Fig. 7. Inhibition ratios of photosynthetic fluorescence parameters of Chlorella pyrenoidosa stressed by equal mass concentration of chloroacetic acid or trichloroacetonitrile for 2 h. (a) Chloroacetic acid; (b) trichloroacetonitrile

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Table 1. Physical significance of different photosynthetic fluorescence parameters

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Table 1. Physical significance of different photosynthetic fluorescence parameters

Parameter	Physical significance
F_m/F_o	Quantum yield of PSⅡ electron transport^［19］
F_v/F_o	Potential PSⅡ quantum yield^［19］
F_v/F_m	The maximum photochemical quantum yield of PSⅡ^［15］
PI_ABS	Performance index for energy conservation from photons absorbed by PSⅡ to the reduction of intersystem electron acceptors^［9］

Table 2. EC₁₀ and EC₅₀ values and their 95% confidence intervals (95%CI) of chloroacetic acid and trichloroacetonitrile based on different photosynthetic fluorescence parameters when the exposure time is 2 h

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Table 2. EC₁₀ and EC₅₀ values and their 95% confidence intervals (95%CI) of chloroacetic acid and trichloroacetonitrile based on different photosynthetic fluorescence parameters when the exposure time is 2 h

Parameter

Chloroacetic acid

Trichloroacetonitrile

EC₁₀ /（mg·L^-1）

［95%CI /（mg·L^-1）］

EC₅₀ /（mg·L^-1）

［95%CI /（mg·L^-1）］

EC₁₀ /（mg·L^-1）

［95%CI /（mg·L^-1）］

EC₅₀ /（mg·L^-1）

［95%CI /（mg·L^-1）］

PI_ABS

9.887

（8.587-10.874）

17.715

（17.165-18.277）

1.952

（1.777-2.098）

4.335

（4.197-4.464）

F_v/F_o

11.303

（9.826-12.495）

22.615

（21.867-23.456）

4.503

（3.912-4.998）

8.481

（8.182-8.805）

F_m/F_o

12.540

（11.251-13.638）

28.718

（27.523-29.906）

4.938

（4.553-5.318）

10.748

（10.282-11.260）

F_v/F_m

17.303

（16.117-18.404）

31.629

（30.541-32.701）

6.533

（6.118-6.937）

12.397

（11.901-12.933）

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Tingting Gan, Gaofang Yin, Nanjing Zhao, Ying Wang, Xiaoxuan Tan, Ziqi Ye. Response Characteristics of Different Photosynthetic Fluorescence Parameters of Microalgae to Toxicity of Chlorinated Disinfection By-products[J]. Acta Optica Sinica, 2023, 43(24): 2430005

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Paper Information

Category: Spectroscopy

Received: Apr. 3, 2023

Accepted: May. 15, 2023

Published Online: Dec. 12, 2023

The Author Email: Yin Gaofang (gfyin@aiofm.ac.cn), Zhao Nanjing (njzhao@aiofm.ac.cn)

DOI:10.3788/AOS230766

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Physical significance of different photosynthetic fluorescence parameters

Table 1. Physical significance of different photosynthetic fluorescence parameters

Table 2. EC10 and EC50 values and their 95% confidence intervals (95%CI) of chloroacetic acid and trichloroacetonitrile based on different photosynthetic fluorescence parameters when the exposure time is 2 h

Table 2. EC10 and EC50 values and their 95% confidence intervals (95%CI) of chloroacetic acid and trichloroacetonitrile based on different photosynthetic fluorescence parameters when the exposure time is 2 h

Table 2. EC₁₀ and EC₅₀ values and their 95% confidence intervals (95%CI) of chloroacetic acid and trichloroacetonitrile based on different photosynthetic fluorescence parameters when the exposure time is 2 h

Table 2. EC₁₀ and EC₅₀ values and their 95% confidence intervals (95%CI) of chloroacetic acid and trichloroacetonitrile based on different photosynthetic fluorescence parameters when the exposure time is 2 h