About: Productivity and biochemical composition of Phaeodactylum tricornutum (Bacillariophyceae) cultures grown outdoors in tubular photobioreactors and open ponds     Goto   Sponge   NotDistinct   Permalink

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  • In this study we compared the biomass productivity and the chemical composition of the diatom Phaeodactylum tricornutum grown outdoors at different biomass concentrations, in open ponds and photobioreactors (PBRs). Optimal biomass concentration of 0.6 gL(-1) and 1.0 g L-1 was found in open ponds and in PBRs, respectively. During summer the mean net areal biomass yield was 11.7 g m(-2) day(-1) and 13.1 g m(-2) day(-1) in open ponds and in PBRs, respectively. Night biomass loss was comparable (17.4% and 21.4% of the daylight productivity, in open ponds, and PBRs, respectively). Lipid content ranged between 25% and 27.5% of dry weight, and increased up to 34.7% of biomass grown in dense cultures (>0.6 g L-1 in ponds; >1.0 g L-1 in PBRs). In the evening they ranged between 21% and 31%, while a reduced amount was found in the morning between 14.5% and 24%. An induction of the diadino diatoxanthin cycle was observed in the cultures when they were grown at lower biomass concentrations, particularly in cultures grown in photobioreactors, indicating down-regulation of the photosynthetic apparatus due to high irradiance, which was confirmed by a sizeable reduction in the F-v/F-m ratio in the middle of day. It was found that the productivity of cultures was higher in photobioreactors compared to that in open ponds most likely as a result of a better light dark regime experienced by the cells in short light-path tubular PBRs, which may have allowed a more efficient use of light
  • In this study we compared the biomass productivity and the chemical composition of the diatom Phaeodactylum tricornutum grown outdoors at different biomass concentrations, in open ponds and photobioreactors (PBRs). Optimal biomass concentration of 0.6 gL(-1) and 1.0 g L-1 was found in open ponds and in PBRs, respectively. During summer the mean net areal biomass yield was 11.7 g m(-2) day(-1) and 13.1 g m(-2) day(-1) in open ponds and in PBRs, respectively. Night biomass loss was comparable (17.4% and 21.4% of the daylight productivity, in open ponds, and PBRs, respectively). Lipid content ranged between 25% and 27.5% of dry weight, and increased up to 34.7% of biomass grown in dense cultures (>0.6 g L-1 in ponds; >1.0 g L-1 in PBRs). In the evening they ranged between 21% and 31%, while a reduced amount was found in the morning between 14.5% and 24%. An induction of the diadino diatoxanthin cycle was observed in the cultures when they were grown at lower biomass concentrations, particularly in cultures grown in photobioreactors, indicating down-regulation of the photosynthetic apparatus due to high irradiance, which was confirmed by a sizeable reduction in the F-v/F-m ratio in the middle of day. It was found that the productivity of cultures was higher in photobioreactors compared to that in open ponds most likely as a result of a better light dark regime experienced by the cells in short light-path tubular PBRs, which may have allowed a more efficient use of light (en)
Title
  • Productivity and biochemical composition of Phaeodactylum tricornutum (Bacillariophyceae) cultures grown outdoors in tubular photobioreactors and open ponds
  • Productivity and biochemical composition of Phaeodactylum tricornutum (Bacillariophyceae) cultures grown outdoors in tubular photobioreactors and open ponds (en)
skos:prefLabel
  • Productivity and biochemical composition of Phaeodactylum tricornutum (Bacillariophyceae) cultures grown outdoors in tubular photobioreactors and open ponds
  • Productivity and biochemical composition of Phaeodactylum tricornutum (Bacillariophyceae) cultures grown outdoors in tubular photobioreactors and open ponds (en)
skos:notation
  • RIV/61388971:_____/13:00424551!RIV14-MSM-61388971
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • I, P(ED2.1.00/03.0110), V
http://linked.open...iv/cisloPeriodika
  • JUL 2013
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 100019
http://linked.open...ai/riv/idVysledku
  • RIV/61388971:_____/13:00424551
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Lipid; Open ponds; Phaeodactylum tricornutum (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV
  • [A1AFE428B9A3]
http://linked.open...i/riv/nazevZdroje
  • Biomass & Bioenergy
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 54
http://linked.open...iv/tvurceVysledku
  • Kopecký, Jiří
  • Masojídek, Jiří
  • Torzillo, G.
  • Benavides, A. M. S.
http://linked.open...ain/vavai/riv/wos
  • 000321595800013
issn
  • 0961-9534
number of pages
http://bibframe.org/vocab/doi
  • 10.1016/j.biombioe.2013.03.016
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