Chlorella vulgaris cultivation with an additive of magnesium-aminoclay
- Authors
- Farooq, Wasif; Lee, Hyun Uk; Huh, Yun Suk; Lee, Young-Chul
- Issue Date
- Jul-2016
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Magnesium-aminoclay (MgAC); Chlorella vulgaris; Cell size; Lipid contents; Biofuel production
- Citation
- ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS, v.17, pp.211 - 216
- Journal Title
- ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS
- Volume
- 17
- Start Page
- 211
- End Page
- 216
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/8134
- DOI
- 10.1016/j.algal.2016.05.004
- ISSN
- 2211-9264
- Abstract
- In integral microalgal biofuel production consisting of microalgal culturing, harvesting, lipid (oil) extraction, oil-to-biodiesel conversion and biodiesel quality improvement, cultivation to improve lipid (oil) content in microalgal cells without inducement of transformants is a booming field of experimentation and application. In the present study, water-solubilized, transparent and cationic-charged and clustered magnesium-aminoclay (MgAC) was utilized as a co-additive in Chlorella vulgaris cultivation. The MgAC effected both an increase of cell size (from similar to 3.524 mu m to similar to 4.175 mu m size) with low cell density (from 1260 x 10(6) cells/mL to 511 x 10(6) cells/mL) and an increase of total lipid content without microalgal cell transformation according to various MgAC loadings (0, 0.25, 0.50, and 1.0 g/L) at the 2.0% CO2 supply. The cationic-charged MgAC clusters wrapped the microalgal cells to create a stressful microenvironment, increasing the intracellular reactive oxygen species (ROS) content. Therefore, additive-MgAC-based microalgal cultivation is herein suggested in a novel microalgal biofuel production. (C) 2016 Elsevier B.V. All rights reserved.
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