| 嗜酸氧化亚铁硫杆菌生长动力学 |
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| 引用本文： | 柳建设,张艳华,李邦梅,谢学辉. 嗜酸氧化亚铁硫杆菌生长动力学[J]. 微生物学杂志, 2006, 26(2): 9-13 |
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| 作者姓名： | 柳建设 张艳华 李邦梅 谢学辉 |
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| 作者单位： | 中南大学,资源加工与生物工程学院,湖南,长沙,410083 |
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| 基金项目： | 中国科学院资助项目;科技部科研项目 |
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| 摘 要： | 在确定二价铁离子为A.f生长过程中惟一限制性底物条件下,通过考察初始亚铁离子浓度、初始pH值两种影响亚铁离子氧化代谢的主要因素来研究细菌的生长特性,得到以限制性底物亚铁离子浓度为表征的细菌生长曲线。利用基于Monod方程建立的细菌生长动力学方程模型,采用Matlab软件中的Gauss-Newton算法确定了在不同条件下细菌生长动力学参数,包括最大比生长速率μm、Monod常数K及Ro,推导出了不同条件下A.f对数期以底物Fe(Ⅱ)浓度为表征的生长动力学方程。
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| 关 键 词： | Acidithiobacillusferrooxidans Fe(Ⅱ)氧化 生长动力学方程 生长动力学参数 Gauss-Newton |
| 文章编号： | 1005-7021(2006)02-0009-05 |
| 修稿时间： | 2006-01-03 |
The Study Kinetic for Growth of Acidithiobacillus ferrooxidans |
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| LIU Jian-she,ZHANG Yan-hua,LI Bang-mei,XIE Xue-hui. The Study Kinetic for Growth of Acidithiobacillus ferrooxidans[J]. Journal of Microbiology, 2006, 26(2): 9-13 |
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| Authors: | LIU Jian-she ZHANG Yan-hua LI Bang-mei XIE Xue-hui |
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| Affiliation: | Sch.of Res.Processing Bioengin.Central South Univ.Changsha 410083 |
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| Abstract: | In order to explain kinetic behaviors of microorganisms in varied experiment conditions, growth kinetic model of Acidithiobacillus ferrooxidans (A. f) was deduced based on Monod model. The kinetic parameters (Monod constant K, max specific growth rate μm, and Ro) of this model in different initial experiment condition were obtained by Gauss-Newton algorithm. The growth law in specific initial experiment condition and variable kinetic parameters were found. According to the growth behavior law studied under different initial experiment condition, the curves describing substrates (ferrous ion concentration) law and the growth velocity equations corresponding to the different initial experiment condition were obtained. |
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| Keywords: | Acidithiobacillus ferrooxidans Gauss-Newton Acidithiobacillus ferrooxidans kinetic parameter growth velocity equation Gauss-Newton |
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