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题名: Bioflocculant produced by Chlamydomonas reinhardtii
作者: Zhu, Chi1; Chen, Chuanhong1; Zhao, Liangyuan1; Zhang, Yihui1; Yang, Jiaoyan1; Song, Lirong2; Yang, Shao1
通讯作者: Yang, S (reprint author), Cent China Normal Univ, Coll Life Sci, Wuhan 430079, Peoples R China.
关键词: Bioflocculant ; Flocculation ; Flocculating rate ; Chlamydomonas reinhardtii
刊名: JOURNAL OF APPLIED PHYCOLOGY
发表日期: 2012-10-01
DOI: 10.1007/s10811-011-9769-x
卷: 24, 期:5, 页:1245-1251
收录类别: SCI
文章类型: Article
部门归属: [Zhu, Chi; Chen, Chuanhong; Zhao, Liangyuan; Zhang, Yihui; Yang, Jiaoyan; Yang, Shao] Cent China Normal Univ, Coll Life Sci, Wuhan 430079, Peoples R China; [Song, Lirong] Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: National Major Science and Technology Projects for Water Pollution Control and River Management Project [2008ZX07211-003, 2008ZX07105-004]; State Key Laboratory of Freshwater Ecology and Biotechnology [2011FB12]; National Natural Science Foundation of China [30900054]
类目[WOS]: Biotechnology & Applied Microbiology ; Marine & Freshwater Biology
研究领域[WOS]: Biotechnology & Applied Microbiology ; Marine & Freshwater Biology
摘要: Bioflocculants of Chlamydomonas reinhardtii were investigated under axenic conditions. C. reinhardtii was found to produce significant amounts of bioflocculants. Flocculating activity by C. reinhardtii began in the linear phase of growth and continued until the end of the stationary phase. The highest flocculating efficiency of the culture broth was 97.06%. The purified C. reinhardtii bioflocculant was composed of 42.1% (w/w) proteins, 48.3% carbohydrates, 8.7% lipids, and 0.01% nucleic acid. The optimum condition for bioflocculant production of C. reinhardtii was as follows: under temperature of 15A degrees C to 25A degrees C, pH 6-10 and illumination of 40-60 mu mol photons m(-2) s(-1). The bioflocculants produced by C. reinhardtii showed maximum activity in pH ranges from 2 to 10. The flocculating activity was significantly enhanced by the addition of CaCl2 as a co-flocculant at an optimal concentration of 4.5 mM.
英文摘要: Bioflocculants of Chlamydomonas reinhardtii were investigated under axenic conditions. C. reinhardtii was found to produce significant amounts of bioflocculants. Flocculating activity by C. reinhardtii began in the linear phase of growth and continued until the end of the stationary phase. The highest flocculating efficiency of the culture broth was 97.06%. The purified C. reinhardtii bioflocculant was composed of 42.1% (w/w) proteins, 48.3% carbohydrates, 8.7% lipids, and 0.01% nucleic acid. The optimum condition for bioflocculant production of C. reinhardtii was as follows: under temperature of 15A degrees C to 25A degrees C, pH 6-10 and illumination of 40-60 mu mol photons m(-2) s(-1). The bioflocculants produced by C. reinhardtii showed maximum activity in pH ranges from 2 to 10. The flocculating activity was significantly enhanced by the addition of CaCl2 as a co-flocculant at an optimal concentration of 4.5 mM.
关键词[WOS]: MICROBIAL FLOCCULANT ; RHODOCOCCUS-ERYTHROPOLIS ; CYANOBACTERIAL BIOFLOCCULANT ; CORYNEBACTERIUM-GLUTAMICUM ; CULTURE CONDITIONS ; NOCARDIA-AMARAE ; BIOPOLYMER ; MICROORGANISMS ; ACIDS ; PURIFICATION
语种: 英语
WOS记录号: WOS:000308423100027
ISSN号: 0921-8971
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/17288
Appears in Collections:藻类生物学及应用研究中心_期刊论文

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作者单位: 1.Cent China Normal Univ, Coll Life Sci, Wuhan 430079, Peoples R China
2.Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China

Recommended Citation:
Zhu, Chi; Chen, Chuanhong; Zhao, Liangyuan; Zhang, Yihui; Yang, Jiaoyan; Song, Lirong; Yang, Shao.Bioflocculant produced by Chlamydomonas reinhardtii,JOURNAL OF APPLIED PHYCOLOGY,2012,24(5):1245-1251
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