Population dynamics and spatial distribution of microbial species in multispecies biofilms under the action of direct electric current
文献类型：期刊论文
| 作者 | Cao, HB; Li, XG; Wu, JC; Zhong, FL; Zhang, Y |
| 刊名 | CHINESE SCIENCE BULLETIN
 |
| 出版日期 | 2003-12-01 |
| 卷号 | 48期号:24页码:2688-2693 |
| 关键词 | nitrifying bacteria heterotrophs biofilm direct electric current population dynamics |
| ISSN号 | 1001-6538 |
| 其他题名 | Chin. Sci. Bull. |
| 中文摘要 | The metabolism, population dynamics and spatial distribution of nitrifying bacteria and heterotrophs in biofilms under the action of direct electric current were investigated by using the micro-slicing technique. The nitrification rate of nitrifying bacteria was severely inhibited by a current over 10 Am-2 at lower C/N ratios. Compared to heterotrophs, the nitrifying bacteria in the surface biofilms were severely inhibited, resulting in a significant decrease in bacterial density. An increase in current density narrowed the less current-sensitive inner biofilm region, and in addition the density of NO2-oxidizers decreased more significantly than that of NH4-oxidizers in the surface biofilms probably due to electrochemical reactions at the anode. However, the effect of current on both the population dynamics and the spatial distribution of the microbial species was less significant at larger C/N ratios. |
| 英文摘要 | The metabolism, population dynamics and spatial distribution of nitrifying bacteria and heterotrophs in biofilms under the action of direct electric current were investigated by using the micro-slicing technique. The nitrification rate of nitrifying bacteria was severely inhibited by a current over 10 Am-2 at lower C/N ratios. Compared to heterotrophs, the nitrifying bacteria in the surface biofilms were severely inhibited, resulting in a significant decrease in bacterial density. An increase in current density narrowed the less current-sensitive inner biofilm region, and in addition the density of NO2-oxidizers decreased more significantly than that of NH4-oxidizers in the surface biofilms probably due to electrochemical reactions at the anode. However, the effect of current on both the population dynamics and the spatial distribution of the microbial species was less significant at larger C/N ratios. |
| WOS标题词 | Science & Technology |
| 类目[WOS] | Multidisciplinary Sciences |
| 研究领域[WOS] | Science & Technology - Other Topics |
| 关键词[WOS] | BACTERIA ; METABOLISM |
| 收录类别 | SCI |
| 原文出处 | |
| 语种 | 英语 |
| WOS记录号 | WOS:000188504500006 |
| 公开日期 | 2013-11-08 |
| 版本 | 出版稿 |
| 源URL | [http://ir.ipe.ac.cn/handle/122111/5326]  |
| 专题 | 过程工程研究所_研究所（批量导入） |
| 作者单位 | 1.Tianjin Univ, Sch Chem Engn & Technol, Chem Engn Res Ctr, Tianjin 300072, Peoples R China 2.Chinese Acad Sci, Inst Proc Engn, Beijing 100080, Peoples R China |
| 推荐引用方式 GB/T 7714 | Cao, HB,Li, XG,Wu, JC,et al. Population dynamics and spatial distribution of microbial species in multispecies biofilms under the action of direct electric current[J]. CHINESE SCIENCE BULLETIN,2003,48(24):2688-2693. |
| APA | Cao, HB,Li, XG,Wu, JC,Zhong, FL,&Zhang, Y.(2003).Population dynamics and spatial distribution of microbial species in multispecies biofilms under the action of direct electric current.CHINESE SCIENCE BULLETIN,48(24),2688-2693. |
| MLA | Cao, HB,et al."Population dynamics and spatial distribution of microbial species in multispecies biofilms under the action of direct electric current".CHINESE SCIENCE BULLETIN 48.24(2003):2688-2693. |
入库方式： OAI收割
来源：过程工程研究所
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