Document Detail


Engineering strategies for simultaneous enhancement of C-phycocyanin production and CO2 fixation with Spirulina platensis.
MedLine Citation:
PMID:  23664178     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Spirulina platensis produces nutraceutical product C-phycocyanin (C-PC) and simultaneously mitigates CO2 emissions during its growth. Using a designed flat-type photobioreactor, the S. platensis biomass production was markedly enhanced, leading to a CO2 removal rate and a biomass concentration of 0.23g/L/d and 2.25g/L, respectively. The cell growth, CO2 fixation rate and C-PC production of S. platensis were investigated when it was cultivated under different irradiation conditions. As the light intensity increased from 100 to 700μmol/m(2)/s, the overall biomass productivity, CO2 consumption rate and maximal C-PC productivity increased significantly to 0.74, 1.53 and 0.11g/L/d, respectively. After determining the suitable light intensity, the nitrogen concentration was also adjusted to further enhance the performance of CO2 fixation and C-PC production. The results show that with an optimal nitrogen concentration of 0.045M, the CO2 consumption rate and maximal C-PC productivity were further increased to 1.58 and 0.13g/L/d, respectively.
Authors:
Chun-Yen Chen; Pei-Chun Kao; Chia-Jung Tsai; Duu-Jong Lee; Jo-Shu Chang
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-18
Journal Detail:
Title:  Bioresource technology     Volume:  -     ISSN:  1873-2976     ISO Abbreviation:  Bioresour. Technol.     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-5-13     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9889523     Medline TA:  Bioresour Technol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2013 Elsevier Ltd. All rights reserved.
Affiliation:
University Center for Bioscience and Biotechnology, National Cheng Kung University, Tainan, Taiwan. Electronic address: ccy.ncku@gmail.com.
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