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Growth of Spirulina platensis enhanced under intermittent illumination
Xue, Shengzhang1,2; Su, Zhenfeng1,2; Cong, Wei1; Cong, W
2011-02-10
Source PublicationJOURNAL OF BIOTECHNOLOGY
ISSN0168-1656
Volume151Issue:3Pages:271-277
AbstractThe growth characteristics of microalgae under different light conditions (continuous or intermittent) are essential information for photobioreactor design and operation. In this study, we constructed a thin-layer (10 mm) flat plate photobioreactor device with a light/dark (L/D) alternation system to investigate the growth of Spirulina platensis under two different light regimes: (1) continuous illumination in a wide range of light intensities (1.00-77.16 mW cm(-2)); (2) intermittent illumination in medium frequency (0.01-20 Hz). Specific growth rate and light efficiency based on biomass production were determined for each round of experiment. Four regions (light limited region, intermediate region, light saturated region and light inhibition region) were recognized according to the results under continuous illumination. Under intermittent illumination, when L/D frequency increased from 0.01 Hz to 20 Hz, specific growth rate and light efficiency were enhanced. However, the enhancement was different, depending on the applied light intensity and light fraction. The higher the light intensity, the greater the enhancement would be when L/D frequency increased from 0.01 Hz to 20 Hz; and the higher the light intensity, the lower the light fractions is needed to maintain light efficiency as high as that under continuous illumination in light limited region. (C) 2010 Elsevier B.V. All rights reserved.
KeywordMicroalgae Spirulina Platensis Photobioreactor Light/dark Cycles Specific Growth Rate Light Efficiency
SubtypeArticle
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.1016/j.jbiotec.2010.12.012
Indexed BySCI
Language英语
WOS KeywordLIGHT-DARK CYCLES ; PHOTOSYNTHETIC EFFICIENCY ; CHLORELLA-PYRENOIDOSA ; OXYGEN PRODUCTION ; FLASHING LIGHT ; ALGAL CULTURES ; SCALE-UP ; MICROALGAE ; PRODUCTIVITY ; CULTIVATION
WOS Research AreaBiotechnology & Applied Microbiology
WOS SubjectBiotechnology & Applied Microbiology
WOS IDWOS:000287427600006
Citation statistics
Cited Times:61[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5248
Collection生化工程国家重点实验室
Corresponding AuthorCong, W
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Natl Key Lab Biochem Engn, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Xue, Shengzhang,Su, Zhenfeng,Cong, Wei,et al. Growth of Spirulina platensis enhanced under intermittent illumination[J]. JOURNAL OF BIOTECHNOLOGY,2011,151(3):271-277.
APA Xue, Shengzhang,Su, Zhenfeng,Cong, Wei,&Cong, W.(2011).Growth of Spirulina platensis enhanced under intermittent illumination.JOURNAL OF BIOTECHNOLOGY,151(3),271-277.
MLA Xue, Shengzhang,et al."Growth of Spirulina platensis enhanced under intermittent illumination".JOURNAL OF BIOTECHNOLOGY 151.3(2011):271-277.
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