density
at the late logarithmic phase (on the 6th day) of 9.1 106 cell L1
culture, with a specific growth rate of 7.2 109/d (Fig. 1A). The
average wet biomass of Thalassiosira sp. obtained on the 6th day
was 4.36 g L1. Unlike B. braunii cells, which are resistant towards
high CO2 concentrations (Ge et al., 2011), Thalassiosira sp. cell was
very sensitive to high CO2 concentration, as a decrease of pH of the
medium poisoned the cell growth (Nurachman et al., 2010). Hence,
in this study only carbon dioxide from free air was used as the
carbon source for photosynthesis for the biomass production of
Thalassiosira sp.
densityat the late logarithmic phase (on the 6th day) of 9.1 106 cell L1culture, with a specific growth rate of 7.2 109/d (Fig. 1A). Theaverage wet biomass of Thalassiosira sp. obtained on the 6th daywas 4.36 g L1. Unlike B. braunii cells, which are resistant towardshigh CO2 concentrations (Ge et al., 2011), Thalassiosira sp. cell wasvery sensitive to high CO2 concentration, as a decrease of pH of themedium poisoned the cell growth (Nurachman et al., 2010). Hence,in this study only carbon dioxide from free air was used as thecarbon source for photosynthesis for the biomass production ofThalassiosira sp.
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