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United States Department of Agriculture

Agricultural Research Service

Related Topics

Karen J Ray
Renewable Product Technology Research Unit
Biological Science Lab Technician

Phone: (309) 681-6670
Fax: (309) 681-6040
Room 2305
USDA, ARS, NCAUR, MGB
1815 N UNIVERSITY ST
PEORIA, IL, 61604-3999


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Optimum conditions for the production of soy polyol oils and diacylglycerol from soybean oil by Acinetobacter haemolyticus A01-35 NRRL B-59985 - (Abstract Only) - (06-May-15)
Optimization of liquid culture conditions of Philippine wild edible mushrooms as potential source of bioactive lipids - (Peer Reviewed Journal) - (24-Apr-15)
Production of polyol oils from soybean oil by bioprocess: results of microbial screening and identification of positive cultures - (Research Notes)
Hou, C.T., Labeda, D.P., Ray, K.J. 2014. Production of polyol oils from soybean oil by bioprocess: Results of microbial screening and identification of positive cultures. Biocatalysis and Agricultural Biotechnology. 3(4):155-160.
Microbial screening and analytical methods for the production of polyol oils from soybean oil - (Abstract Only)
Hou, C.T., Ray, K.J. 2012. Microbial screening and analytical methods for the production of polyol oils from soybean oil [abstract]. American Oil Chemists' Society. Paper #BIO-3.
Structural characterization of novel sophorolipid biosurfactants from a newly-identified species of Candida yeast Reprint Icon - (Peer Reviewed Journal)
Price, N.P., Ray, K.J., Vermillion, K., Dunlap, C.A., Kurtzman, C.P. 2011. Structural characterization of novel sophorolipid biosurfactants from a newly-identified species of Candida yeast. Carbohydrate Research. 348:33-41. DOI: 10.1016/j.carres.2011.07.016.
Production of sophorolipids biosurfactants by multiple species of the Starmerella (Candida) bombicola yeast clade - (Peer Reviewed Journal)
Kurtzman, C.P., Price, N.P., Ray, K.J., Kuo, T. 2010. Production of sophorolipids biosurfactants by multiple species of the Starmerella (Candida) bombicola yeast clade. FEMS Microbiology Letters. 311(2):140-146.
Effect of Surfactants on Production of Oxygenated Unsaturated Fatty Acids by Bacillus megaterium ALA2 - (Proceedings)
Hou, C.T., Kim, B., Kim, H., Ray, K.J. 2009. Effect of surfactants on production of oxygenated unsaturated fatty acids by Bacillus megaterium ALA2. United States-Japan Natural Resources, Food & Agricultural Panel. p. 168-171.
Effect of surfactants on production of oxygenated unsaturated fatty acids by Bacillus megaterium ALA2 - (Abstract Only)
Kim, B., Kim, H., Ray, K.J., Hou, C.T. 2009. Effect of surfactants on production of oxygenated unsaturated fatty acids by Bacillus megaterium ALA2 [abstract]. American Oil Chemists' Society. Bio-1, #5.
Isolation and Characterization of Rhamnolipid-Producing Bacterial Strains from a Biodiesel Facility - (Peer Reviewed Journal)
Rooney, A.P., Price, N.P., Ray, K.J., Kuo, T. 2009. Isolation and Characterization of Rhamnolipid-Producing Bacterial Strains from a Biodiesel Facility. FEMS Microbiological Letters. 295(1):82-87.
MALDI-TOF Mass Spectrometry of Naturally-Occurring Mixtures of Mono- and Di-rhamnolipids - (Peer Reviewed Journal)
Price, N.P., Ray, K.J., Vermillion, K., Kuo, T. 2008. MALDI-TOF Mass Spectrometry of Naturally-Occurring Mixtures of Mono- and Di-rhamnolipids. Carbohydrate Research. 344:204-209.
MICROBIAL CONVERSION OF RICINOLEIC ACID FOR PRODUCING 7,10,12-TRIHYDROXY-8(E)-OCTADECENOIC ACID, A NATURAL FUNGICIDE FOR TREATMENT OF RICE - (Abstract Only)
Kuo, T., Ray, K.J., Levinson, W.E., Knothe, G.H. 2004. Microbial conversion of ricinoleic acid for producing 7,10,12-trihydroxy-8(e)-octadecenoic acid, a natural fungicide for treatment of rice [abstract]. Great Lakes Regional American Chemical Society Symposium. Peoria IL. p. 186.
FOAM CONTROL DURING SCALE-UP BIOCONVERSION OF UNSATURATED FATTY ACIDS IN BATCH CULTURES - (Abstract Only) - (14-Feb-03)
A FACILE REACTOR PROCESS FOR PRODUCING 7,10-DIHYDROXY-8(E)-OCTADECENOIC ACID FROM OLEIC ACID CONVERSION BY PSEUDOMONAS AERUGINOSA PR3 - (Peer Reviewed Journal)
KUO, T., RAY, K.J., MANTHEY, L.K. A FACILE REACTOR PROCESS FOR PRODUCING 7,10-DIHYDROXY-8(E)-OCTADECENOIC ACID FROM OLEIC ACID CONVERSION BY PSEUDOMONAS AERUGINOSA PR3. BIOTECHNOLOGY LETTERS. 2003. V.25. P. 29-33.
CONVERSION OF OLEIC ACID TO 7,10-DIHYDROXY-8(E)-OCTADECENOIC ACID BY PSEUDOMONAS SP. PR3 IN A REACTOR - PRACTICAL CONSIDERATIONS - (Abstract Only) - (08-May-02)
Last Modified: 7/7/2015
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