| Zhang Xuecheng,Wu Xiaonan,Li Yonghong.The effects of immobilization on physiology and ultrastructure of unicellular alga Platymonas subcordiformis[J].Acta Oceanologica Sinica,1995,(2):269-275 |
| The effects of immobilization on physiology and ultrastructure of unicellular alga Platymonas subcordiformis |
| The effects of immobilization on physiology and ultrastructure of unicellular alga Platymonas subcordiformis |
| 投稿时间：1995-01-20 修订日期：1995-04-20 |
| DOI： |
| 中文关键词: Platymonas subcordiformis immobilization photosynthesis respiration ultrastructure |
| 英文关键词:Platymonas subcordiformis immobilization photosynthesis respiration ultrastructure |
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| 中文摘要: |
| In the present paper, the unicellular green alga Platymonas subcordiformis was entrapped in 2% (W/V) alginate, treated with CaCl2 at different concentrations (0.5, 0.75, 1.0, 1.5 and 2.0 mol/dm3), cultured at 15℃ and 25℃.The growth rate and morphology were studied and photosynthesis and respiration rates were measured.The optimum conditions of immobilized culture is in 0.5 mol/dm3 of CaCl2, at 25℃.Photosynthesis rate of immobilized cells is higher than free cultivated cells, and that at 15℃ than at 25℃.Under scanning electropic microscope, it was shown that the immobilized cells had larger size and rougher surface.The relationship between growth of immobilized cells and abiotic factors and the prospects of applying immobilized cultivation are also discussed. |
| 英文摘要: |
| In the present paper, the unicellular green alga Platymonas subcordiformis was entrapped in 2% (W/V) alginate, treated with CaCl2 at different concentrations (0.5, 0.75, 1.0, 1.5 and 2.0 mol/dm3), cultured at 15℃ and 25℃.The growth rate and morphology were studied and photosynthesis and respiration rates were measured.The optimum conditions of immobilized culture is in 0.5 mol/dm3 of CaCl2, at 25℃.Photosynthesis rate of immobilized cells is higher than free cultivated cells, and that at 15℃ than at 25℃.Under scanning electropic microscope, it was shown that the immobilized cells had larger size and rougher surface.The relationship between growth of immobilized cells and abiotic factors and the prospects of applying immobilized cultivation are also discussed. |
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