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Updated: May 7, 2026

Cultivation of Green Microalgae in Bubble Column Photobioreactors and an Assay for Neutral Lipids
Published on: January 7, 2019
Isolation of a novel microalgae strain Desmodesmus sp. and optimization of environmental factors for its biomass
1College of Engineering/Biomass Engineering Center, China Agricultural University, PR China; Key Laboratory of Clean Production and Utilization of Renewable Energy, Ministry of Agriculture, PR China.
Abstract:
A novel strain of unicellular green algae was isolated from fresh water samples collected from Yesanpo National Geopark, Laishui County of Hebei Province, China. The morphological and genomic identification of this strain was carried out using 18s rRNA analysis. This novel strain was identified as Desmodesmus sp. named as EJ15-2. Environmental factors for biomass production of Desmodesmus sp. EJ15-2 grown under autotrophic condition (BG11 medium) was optimized using response surface methodology (RSM). A high correlation coefficient (R(2)=0.923, p ≤ 0.01) indicated the adaptability of the second-order equation matched well with the growth condition of this strain. The optimal conditions for a relatively high biomass production (up to 0.758 g/L) were at 30°C, 98 μmol/m(2)/s and 14:10 (L:D), respectively.
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