| 固定化细胞颗粒珠制备条件的研究 |
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| 引用本文： | 吕跃钢,马家津. 固定化细胞颗粒珠制备条件的研究[J]. 北京工商大学学报(自然科学版), 2004, 22(4): 12-14 |
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| 作者姓名： | 吕跃钢 马家津 |
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| 作者单位： | 北京工商大学,化学与环境工程学院,北京,100037 |
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| 摘 要： | 利用喷雾法、注射器滴入法和压力注入法进行固定化细胞的制备,其中压力注入法在聚乙烯醇浓度为12%,温度为40℃,喷射压力为0.05MPa时制备的固定化细胞颗粒的粒径为1.0mm,机械强度好,酒精发酵在20h时使酒精体积分数达9.2%,转化率为97.2%.
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| 关 键 词： | 固定化细胞 制备 压力注入法 |
| 文章编号： | 1671-1513(2004)04-0012-03 |
| 修稿时间： | 2004-03-19 |
STUDY ON THE PREPARATION OF IMMOBILIZED CELL GRANULE |
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| LVYue-gang,MA Jia-jin. STUDY ON THE PREPARATION OF IMMOBILIZED CELL GRANULE[J]. Journal of Beijing Technology and Business University:Natural Science Edition, 2004, 22(4): 12-14 |
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| Authors: | LVYue-gang MA Jia-jin |
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| Abstract: | The research investigated 3 methods of preparing immobilized cell granule. These methods are: spraying method, injector-dropping method and pressure-injected. The result shows that the pressure-injected method is the best. With the following conditions such as the concentration of polyvinyl alcohol 12%,temp. at 40 ℃, pressure of 0.05 MPa, the diameter of such made immobilized cell granule is 1.3 mm, having a good mechanical intensity. By using this immobilized cell granule, the production of ethanol can reach 9.2% (V/V), with the transformation rate of sugar to ethanol up to 97.2%. |
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| Keywords: | immobilized cells preparation pressure-injected |
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