نتایج جستجو برای: thiobacillus bacteria
تعداد نتایج: 181009 فیلتر نتایج به سال:
The aim of the present study was to assess the impact of adding cultures of Thiobacillus denitrificans and Thiomicrospira denitrificans to two upflow anaerobic sludge bed (UASB) reactors: one inoculated with granular sludge and the other filled only with activated carbon (AC). The performances of the bioreactors and the changes in biomass were compared with a non-bioaugmented control UASB react...
Rhodanese activity from crude extracts of Thiobacillus sp. strain IV-85 was demonstrated in polyacrylamide gels after incubation in the reaction mixture by staining with dichloroindophenol in the presence of methylphenazonium methosulfate. The sensitivity of the staining system was found to be 8 x 10 moles of sulfite.
Benzoic acid, sorbic acid, and sodium lauryl sulfate at low concentrations (5 to 10 mg/liter) each effectively inhibited bacterial oxidation of ferrous iron in batch cultures of Thiobacillus ferrooxidans. The rate of chemical oxidation of ferrous iron in low-pH, sterile batch reactors was not substantially affected at the tested concentrations (5 to 50 mg/liter) of any of the compounds.
An improved enzymatic method for the synthesis of adenylysulfate (APS) from adenosine 5'-phosphate using APS-reductase from Thiobacillus denitrificans is described. Isolation of millimole quantitities of this sulfur nucleotide is achieved rapidly by means of ion exchange chromatography on a strongly basic ion exchange resin. A facile and reproducible desalting procedure is described.
In this study, three PSB strains belonging to the Pseudomonas genus, isolated from soil harvested under rapeseed (Pnapus), winter pea ( Pisum sativum , Ppea), and faba bean Vicia Pfaba), were tested on growth. This test was performed in a greenhouse experiment with four plant replicates pots per modality during vegetative stage of (10 weeks), combination gradient P fertilization (P100, P50, P25...
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