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Original

ENHANCEMENT OF MICROALGAL GROWTH BY USING PERFLUOROCARBON AS OXYGEN CARRIER

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Pages 47-55 | Published online: 11 Jul 2009

Figures & data

Figure 1. The application of PFCs on gas exchange systems for human and algae. A) PFCs carry oxygen from lungs to tissues, while carbon dioxide released from cells is transported to the lung for ventilation by PFCs; B) The function of PFCs in the human system is reversed in the algal photosynthetic system.

Figure 1. The application of PFCs on gas exchange systems for human and algae. A) PFCs carry oxygen from lungs to tissues, while carbon dioxide released from cells is transported to the lung for ventilation by PFCs; B) The function of PFCs in the human system is reversed in the algal photosynthetic system.

Figure 2. Experiment designed for investigating the oxygen-removing capability of PFCs. The microalgae were cultured in spinner flasks at 25 rpm. Flask 1 is the positive control; flask 2 is the algae cultured in presence of FC-77; flask 3 is the negative control, which has 60% oxygen continuously pumped in; and flask 4 has the FC-77 remove oxygen pumped into the culture medium. The recycled FC-77 was pumped back to the flask from the reservoir, which was continuously purged by N2.

Figure 2. Experiment designed for investigating the oxygen-removing capability of PFCs. The microalgae were cultured in spinner flasks at 25 rpm. Flask 1 is the positive control; flask 2 is the algae cultured in presence of FC-77; flask 3 is the negative control, which has 60% oxygen continuously pumped in; and flask 4 has the FC-77 remove oxygen pumped into the culture medium. The recycled FC-77 was pumped back to the flask from the reservoir, which was continuously purged by N2.

Figure 3. Effect of oxygen inhibition on the growth kinetics of C. vulgaris.

Figure 3. Effect of oxygen inhibition on the growth kinetics of C. vulgaris.

Figure 4. Cell growth kinetics of C. vulgaris. 1) Positive control; 2) algae cultured in presence of FC-77; 3) negative control, which has 60% oxygen continuously pumped in; and 4) oxygen pumped into the flask was removed by FC-77, which was recycled into the culture medium.

Figure 4. Cell growth kinetics of C. vulgaris. 1) Positive control; 2) algae cultured in presence of FC-77; 3) negative control, which has 60% oxygen continuously pumped in; and 4) oxygen pumped into the flask was removed by FC-77, which was recycled into the culture medium.

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