R. Korus

Publications73
h-index22
Citations1,395
Highly Influential Citations42
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Winter rape oil fuel for diesel engines: Recovery and utilization
Although vegetable oil cannot yet be recommended as a fuel for general use, considerable progress in recovery and use of rapeseed oil (Brassica napus L.) for diesel operation has been made. Operation…
Products of Anaerobic 2,4,6-Trinitrotoluene (TNT) Transformation by Clostridium bifermentans
Experiments to elucidate the 2,4,6-trinitrotoluene (TNT)-transforming activity of Clostridium bifermentans LJP-1 identified reductive TNT transformations that ultimately produced as end products…
Adsorption and biodegradation of pentachlorophenol by polyurethane-immobilized flavobacterium.
TLDR
Cell growth contributed significantly to PCP removal rates especially when the degradation medium was supplemented with a utilizable carbon source and adsorption by the polyurethane immobilization matrix played an important role in reducing the toxicity of PCP.
Transesterification process to manufacture ethyl ester of rape oil
A process for the production of the ethyl ester of winter rape [EEWR] for use as a biodiesel fuel has been studied. The essential part of the process is the transesterification of rape oil with…
Synthesis and properties of lignin peroxidase fromstreptomyces viridosporus T7A
TLDR
The production of lignin peroxidase byStreptomyces viridosporus T7A was studied in shake flasks and under aerobic conditions in a 7.5-L batch fermentor and found to be strongly affected by catabolite repression.
Kinetics of Peroxidase Production by Streptomyces viridosporus and Recombinant Streptomyces lividans
TLDR
A modified form of the logistic equation gave a good fit to the experimenal data for cell growth and peroxidase formation in Streptomyces viridosporus T7A and recombinant StrePTomyces lividans TK64.
Production of Major Extracellular Enzymes during Lignocellulose Degradation by Two Streptomycetes in Agitated Submerged Culture
TLDR
Streptomyces viridosporus T7A and S. badius 252 were grown in 1 to 2% slurry cultures with mineral salts solution containing 0.6% yeast extract and 100/200 mesh ground and extracted corn lignocellulose and it was determined that peroxidases from both species consisted of four enzymes, with only one, the lignin peroxids having high activity.
Metal binding by pyridine-2,6-bis(monothiocarboxylic acid), a biochelator produced by Pseudomonas stutzeri and Pseudomonas putida
TLDR
Protonationconstants and high affinity constants show that over a physiological pH range theferric pdtc complex has one of the highest effective stability constants for ironbinding among known bacterial chelators.
The use of α‐galactosidase and invertase in hollow fiber reactors
Invertase and α‐galactosidase have been immobilized in hollow fiber cartridges with no detectable enzyme leakage and used for the hydrolysis of sucrose and raffinose, respectively. For both hollow…
Kinetics of pentachlorophenol degradation by a Flavobacterium species
  • Y. Gu, R. Korus
  • Engineering, Biology
    Applied Microbiology and Biotechnology
  • 1 May 1995
TLDR
A kinetic model including PCP toxicity for cell growth and PCP inhibition of its own degradation was developed and this model was also applied to 2,4-dichlorophenol (DCP) degradation by the same organism.
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