Digitale Bibliotheek
Sluiten Bladeren door artikelen uit een tijdschrift
<< vorige    volgende >>
     Tijdschrift beschrijving
       Alle jaargangen van het bijbehorende tijdschrift
         Alle afleveringen van het bijbehorende jaargang
           Alle artikelen van de bijbehorende aflevering
                                       Details van artikel 3 van 12 gevonden artikelen
  A logistic model of subsurface fungal growth with application to bioremediation
Titel: A logistic model of subsurface fungal growth with application to bioremediation
Auteur: Classen, John J.
Engler, Cady R.
Kenerley, Charles M.
Whittaker, A. Dale
Verschenen in: Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering
Paginering: Jaargang 35 (2000) nr. 4 pagina's 465-488
Jaar: 2000-04
Inhoud: The goal of this research was to determine the potential of the fungal sterol ergosterol as an indicator of fungal biomass and to determine the growth response of the transformed strain of T. virens (GvT6) to added substrate and changes in temperature. Experiments in liquid culture and agar plates containing a rich medium of glucose, yeast extract, and casein (GYEC), or a soil extract medium supplemented with maltose (SE) showed that the ergosterol content of GvT6 was greatest when grown on GYEC agar plates (14.02 mg/g dry biomass). For both media, plate cultures produced higher specific ergosterol values than liquid cultures. Changes in specific ergosterol values over time were generally not significant. A value of 5.41 mg ergosterol / g dry biomass, determined for SE plate cultures, was used to convert ergosterol values to biomass values in growth experiments in soil bioreactors. Data from experiments in soil bioreactors treated with different levels of substrate (0.5-8 mg maltose / g dry soil) at three different temperatures (22, 27, 32°C) showed subsurface growth of GvT6 can be described by the logistic equation. Culture conditions of 32°C and 8 mg/g substrate produced the highest levels of biomass, but growth at 32°C and 4 mg/g substrate was somewhat faster than at the higher substrate level.
Uitgever: Taylor & Francis
Bronbestand: Elektronische Wetenschappelijke Tijdschriften

                             Details van artikel 3 van 12 gevonden artikelen
<< vorige    volgende >>
 Koninklijke Bibliotheek - Nationale Bibliotheek van Nederland