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Biodegradation of aromatic compounds by microalgae
The aim of this review is to highlight the biodegradative capabilities of microalgae on aromatic compounds, ranging from simple monocyclic to more complex polycyclic pollutants. Expand
Microbial metabolism of the pyridine ring. Metabolic pathways of pyridine biodegradation by soil bacteria.
Cell-free extracts were unable to metabolize pyridine even after supplementation with a variety of cofactors or protecting agents and two mutants of this bacillus, selected for their inability to grow on pyrsidine were deficient in succinate semialdehyde dehydrogenase. Expand
Biodegradation of phenols by the alga Ochromonas danica.
The eukaryotic alga Ochromonas danica, a nutritionally versatile, mixotrophic chrysophyte, grew on phenol as the sole carbon source in axenic culture and removed the phenol carbon from the growth medium, leading to the first definitive identification of the meta-cleavage pathway for aromatic ring degradation in a eukariespine alga. Expand
Dissolution of nonuniformly distributed immiscible liquid: intermediate-scale experiments and mathematical modeling.
- M. Brusseau, Zhihui Zhang, N. Nelson, R. B. Cain, G. Tick, M. Oostrom
- Chemistry, Medicine
- Environmental science & technology
- 1 March 2002
Results demonstrate that local-scale dissolution rate coefficients, such as those obtained from column experiments, can be used in models to successfully predict dissolution and transport of immiscible-liquid constituents at larger scales when the larger scale factors influencing dissolution behavior are explicitly accounted for in the model. Expand
Bacterial degradation of the nitrobenzoic acids.
Microbial metabolism of the pyridine ring. The metabolism of pyridine-3,4-diol (3,4-dihydroxypyridine) by Agrobacterium sp.
Pyridine-3,4-diol, an intermediate in 4-hydroxypyridine metabolism by an Agrobacterium sp, was converted by extracts into 1mol of pyruvate, 2mol of formate and 1 mol of NH(3) at pH7.0, and after acidification it was converted into a new product, 3-formylpyruvates, with an extinction maximum now at 279nm. Expand
Effects of hypothermia, hemodilution, and pump oxygenation on organ water content, blood flow and oxygen delivery, and renal function.
- J. Utley, C. Wachtel, R. B. Cain, E. A. Spaw, J. Collins, D. Stephens
- The Annals of thoracic surgery
- 1 February 1981
Hemodilution opposes the adverse effect of hypothermia or pump oxygenation on blood flow, oxygen delivery, or renal function and produces increased water content in tissue and that edema is greatest in heart and gastrointestinal organs. Expand
Microbial metabolism of alkylbenzene sulphonates. Bacterial metabolism of undecylbenzene-p-sulphonate and dodecylbenzene-p-sulphonate.
An overall metabolic pathway for the biodegradation of various alkylbenzene sulphonate homologues by this Bacillus species is proposed. Expand
Regulation of aromatic metabolism in the fungi: metabolic control of the 3-oxoadipate pathway in the yeast Rhodotorula mucilaginosa.
Evidence is presented which suggests that R. mucilaginosa is unable to metabolize catechol or its usual precursors, and the significance of this is discussed in relation to control of the protocatechuate branch and the differing control mechanisms governing the synthesis of enzymes of the 3-oxoadipate pathway in other fungi and bacteria. Expand
Biodegradation of detergents
- R. B. Cain
- 1 June 1994
Additional research is required to understand the genetic basis for surfactant catabolism and the resistance of bacteria to surfACTant-mediated lysis, to enable the rational development of quantitative structure-biodegradability relationships for existing and novel surfactants. Expand