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Fig. 3 | Biotechnology for Biofuels

Fig. 3

From: Characterization of a heat-tolerant Chlorella sp. GD mutant with enhanced photosynthetic CO2 fixation efficiency and its implication as lactic acid fermentation feedstock

Fig. 3

Interactive effects of temperature, light, and CO2 concentration on algal growth and photosynthesis. The effects of temperature (25 and 40 °C), light intensity (50 and 200 μmol/m2/s), and CO2 concentration (ambient air and 6% CO2) on biomass production (AD) and photosynthetic O2 evolution rate (EH) of Chlorella sp. GD wild type and mutant M4 were determined 4 days after culture in indoor PBR. The data are expressed as the mean ± SD (n = 3) and different letters indicate significant difference between the culture times (P < 0.05)

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