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Table 2 Se absorption by Azolla filiculoides biomass

From: Aquatic plant Azolla as the universal feedstock for biofuel production

SeSW Se concentration in biomass, mg/gDW Se absorbtion by 0.3 g of biomass, µg Theoretical absorption, µga Se absorption, % Absorption rate, Se/gDW-day
Control 0.072 ± 0.03 21.6 ± 3.01 NA NA NA
50 % 0.358 ± 0.12* 85.8 ± 18.0b 101 85 % 133.5 ± 19.4*
100 % 0.404 ± 0.18* 99.4 ± 17.4b 119 83 % 158.8 ± 27.1*
  1. Control, Se accumulation in Azolla biomass at time 0
  2. NA not analysed
  3. Significance levels: p < 0.05
  4. aTheoretical absorption by 0.3 g DW of A. filiculoides calculated based on reduction of Se amount in 500 ml of wastewater after 5 days of treatment
  5. bnet amount of Se accumulated in 0.3 g of dry biomass after 5 days growth in SeSW (with 21.6 µg of Se subtracted)