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Photosynthetic characteristics and growth of alginate-immobilized Scenedesmus obliquus Agrociencia
Ruiz-Marín,Alejandro; Mendoza-Espinosa,Leopoldo G.; Sánchez-Saavedra,M. del P..
The micfoalgae Scenedesmus obliquus was immobilized in Ca-alginate beads at two stocking cell densities (6.7 X10(5) and 1.5X 10(6) cell bead-1). The photosynthetic fate (P), the initial slope of the photosynthesis (α), and the threshold fot irradiance-saturated photosynthesis (Ek) were determined; later, the growth and protein content for S. obliquus immobilized in beads-alginate under two light intensities (135 and 200 μE m -2 s -1) was evaluated using stocking cell densities that had previously presented the largest photosynthetic rate. Results showed than photosynthetic rates (P) and α of cells immobilized in beads at low stocking density (0.14 μmol O2 h-1 10-6 cells and 0.00056) were greater than in beads with high stocking density (0.02 μmol O2 h-1...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Scenedesmus obliquus; Photosynthesis; Immobilized cells protein content.
Ano: 2011 URL: http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S1405-31952011000300004
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