Polyacrylamide added as a nitrogen source stimulates
Polyacrylamide added as a nitrogen source stimulates methanogenesis in consortia from various wastewaters Article in Water Research 39(14):3333-41 · October 2005 with 28 Reads How we measure 'reads'
T1 - Polyacrylamide as an organic nitrogen source for soil microorganisms with potential effects on inorganic soil nitrogen in agricultural soil. AU - Kay-Shoemake, Jeanine L. AU - Watwood, Mary E. AU - Lentz, Rodrick D. AU - Sojka, Robert E. PY - 1998/8/1. Y1 - 1998/8/1
Polyacrylamide added as a nitrogen source stimulates
Polyacrylamide added as a nitrogen source stimulates methanogenesis in consortia from various wastewaters. (Magnafloc ® LT27AG) was the sole fixed nitrogen source in serum-bottle microcosms. Microorganisms from two oil sands tailings sources, and a domestic anaerobic sewage sludge were used, with benzoate or acetate provided as carbon and
Polyacrylamide added as a nitrogen source stimulates methanogenesis in consortia from various wastewaters. Haveroen ME(1), MacKinnon MD, Fedorak PM. Author information: (1)Department of Biological Sciences, University of Alberta, Edmonton, AB, Canada T6G 2E9.
Isolation and Characterization of Polyacrylamide-Degrading
Microorganisms produce a polyacrylamide induced amidase to deaminate PAM . Few studies showed that bacteria can utilize or partly utilize PAM as a carbon source [16,17]. Several strains that partially use hydrolyzed PAM as the nitrogen and carbon source was also discovered [18,19].
During the anaerobic digestion of dewatered sludge, polyacrylamide (PAM), a chemical conditioner, can usually be consumed as a carbon and nitrogen source along with other organic matter (e.g
Biodegradation of Polyacrylamide and Its Derivatives
Although polyacrylamide (PAM) and its derivatives have many useful applications, their release in nature can have impacts on the environment and human health, thus bioremediation approaches for residual PAM are urgently needed. Biodegradation of PAM and its derivatives has been studied only in the last two decades, with most emphasis on acrylamide biodegradation.
Influence of nitrogen source on the fermentation of fibre from barley straw and sugarbeet pulp by ruminal micro-organisms in vitro M. J. Ranilla1*, M. D. Carro1,S.Lo´pez1, C. J. Newbold2 and R. J. Wallace2 1Departamento de Produccio ´n Animal I, Campus de Vegazana, Universidad de Leon, 24071 Leo´n, Spain 2Rowett Research Institute, Bucksburn, Aberdeen AB21 9SB, UK
NtrC-Dependent Regulatory Network for Nitrogen
Global nitrogen regulation is a complex regulatory network involving a number of signal transduction and effector proteins, which has been studied intensively for enterobacteria (reviewed in references 35 and 49).P II proteins play an essential role in nitrogen regulation in different bacteria ().Their function is modulated by different effectors, by uridylylation by the uridylyltransferase
Filamentous, nitrogen-fixing cyanobacteria form extensive summer blooms in the Baltic Sea. Their ability to fix dissolved N2 allows cyanobacteria to circumvent the general summer nitrogen limitation, while also generating a supply of novel bioavailable nitrogen for the food web. However, the fate of the nitrogen fixed by cyanobacteria remains unresolved, as does its importance for secondary
Biotechnological impact of stress response on wine yeast
Molasses are poor in nitrogen sources, so starvation stress is present from the beginning. To prevent this scenario, a nitrogen source is usually added. The produced biomass is then dehydrated on a hot air bed. Therefore, thermal stress is relevant in the process, plus the obvious rise in osmolarity due to the efflux of water, and also an internal
S-6 in a dilution rate of 0.15 h-1 and a residence time of 6.33 h), to 60 ml/h (resulting in a dilution rate of 0.2 h-1 and a residence time of 5 h), the outflow was kept constant at a flow rate of 150 ml/h from a tube adjusted to the surface level of the working volume at 300 rpm. Additional growth phenotyping in shaking flasks was performed in chemically defined minimal
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