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United States Department of Agriculture

Agricultural Research Service

Gerhard H Knothe (Gary)
Bio-oils Research Unit
Research Chemist

Phone: (309) 681-6112
Fax: (309) 681-6524
Room 3201
1815 N UNIVERSITY ST
PEORIA, IL, 61604-3999

Projects
VEGETABLE OIL-BASED FUELS, ADDITIVES AND COPRODUCTS
Appropriated (D)
  Accession Number: 418079

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Fatty acid profiles of Albizia lebbeck and Albizia saman seed oils. Presence of Coronaric acid - (Peer Reviewed Journal) - (01-Oct-14)
A comprehensive evaluation of the density of neat fatty acids and esters - (Peer Reviewed Journal)
Knothe, G.H., Steidley, K.R. 2014. A comprehensive evaluation of the density of neat fatty acids and esters. Journal of the American Oil Chemists' Society. 91(10):1711-1722.
Biodiesel: Fuel properties, its “Design” and a source of “Designer” fuel - (Abstract Only) - (03-Jul-14)
Biobased lubricants and functional products from Cuphea oil - (Book / Chapter)
Cermak, S.C., Evangelista, R.L., Jackson, M.A., Compton, D.L., Knothe, G.H., Laszlo, J.A., Evans, K.O. 2015. Biobased lubricants and functional products from Cuphea oil. In: Biresaw, G., Mittal, K., editors. Surfactants in Tribology. Vol. IV. Boca Raton, FL: Taylor & Francis. p. 443-482.
Synthesis and analysis of an alkenone-free biodiesel from Isochrysis sp. - (Peer Reviewed Journal)
O'Neil, G.W., Knothe, G.H., Williams, J.R., Burlow, N.P., Culler, A.R., Corliss, J.M., Carmichael, C.A., Reddy, C.M. 2014. Synthesis and analysis of an alkenone-free biodiesel from Isochrysis sp. Energy and Fuels. 28(4):2677-2683.
Kapok oil methyl esters - (Peer Reviewed Journal)
Rashid, U., Knothe, G.H., Yunus, R., Evangelista, R.L. 2014. Kapok oil methyl esters. Biomass and Bioenergy. 66:419-425.
Evaluation of Indian milkweed (Calotropis gigantea) seed oil as alternative feedstock for biodiesel - (Peer Reviewed Journal)
Phoo, Z., Razon, L.F., Knothe, G.H., Ilham, Z., Goembira, F., Madrazo, C.F., Roces, S.A., Saka, S. 2014. Evaluation of Indian milkweed (Calotropis gigantea) seed oil as alternative feedstock for biodiesel. Industrial Crops and Products. 54:226-232.
Predicting various biodiesel fuel properties - (Abstract Only)
Knothe, G.H. 2014. Predicting various biodiesel fuel properties [abstract]. American Oil Chemists' Society Annual Meeting & Expo. p. 44.
A comprehensive evaluation of the cetane numbers of fatty acid methyl esters - (Peer Reviewed Journal)
Knothe, G.H. 2014. A comprehensive evaluation of the cetane numbers of fatty acid methyl esters. Fuel. 119:6-13.
Avocado and olive oil methyl esters - (Peer Reviewed Journal)
Knothe, G.H. 2013. Avocado and olive oil methyl esters. Biomass and Bioenergy. 58:143-148.
Response to the Letter to the Editor regarding "Determination of the fatty acid profile by 1H-NMR spectroscopy." - (Other)
Knothe, G.H., Kenar, J.A. 2013. Response to the Letter to the Editor regarding "Determination of the fatty acid profile by 1H-NMR spectroscopy." European Journal of Lipid Science and Technology. 115(10):1201-1202.
Kenaf methyl esters - (Peer Reviewed Journal)
Knothe, G.H., Razon, L.F., Bacani, F.T. 2013. Kenaf methyl esters. Industrial Crops and Products. 49:568-572.
Fuel properties of methyl esters of borage and black currant oils containing methyl-gamma-linolenate - (Peer Reviewed Journal)
Knothe, G.H. 2013. Fuel properties of methyl esters of borage and black currant oils containing methyl-gamma-linolenate. European Journal of Lipid Science and Technology. 115:901-908.
Fatty acid profile of kenaf seed oil - (Peer Reviewed Journal)
Razon, L.F., Bacani, F.T., Evangelista, R.L., Knothe, G.H. 2013. Fatty acid profile of kenaf seed oil. Journal of the American Oil Chemists' Society. 90:835-840.
Biodiesel from Citrus reticulata (Mandarin orange) seed oil, a potential non-food feedstock - (Peer Reviewed Journal)
Rashid, U., Ibrahim, M., Yasin, S., Yunus, R., Taufiq-Yap, Y.H., Knothe, G.H. 2013. Biodiesel from Citrus reticulata (Mandarin orange) seed oil, a potential non-food feedstock. Industrial Crops and Products. 45:355-359.
Recent developments in the biodiesel area - (Abstract Only)
Knothe, G.H. 2013. Recent developments in the biodiesel area [abstract]. Society of Tribologists and Lubrication Engineers. p. 52.
Cetane numbers of biodiesel and its components - (Abstract Only)
Knothe, G.H. 2013. Cetane numbers of biodiesel and its components [abstract]. American Oil Chemists' Society Meeting. p. 34.
Fuel properties of highly polyunsaturated fatty acid methyl esters: Prediction of fuel properties of algal biodiesel - (Peer Reviewed Journal)
Knothe, G.H. 2012. Fuel properties of highly polyunsaturated fatty acid methyl esters: Prediction of fuel properties of algal biodiesel. Energy and Fuels. 26(8):5265-5273.
Beyond fatty acid methyl esters: Expanding the renewable carbon profile with alkenones from Isochrysis sp. - (Peer Reviewed Journal)
O'Neil, G.W., Carmichael, C.A., Goepfert, T.J., Fulton, J.M., Knothe, G.H., Ling Lau, C., Lindell, S.R., Mohammady, N., Van Mooy, B., Reddy, C.M. 2012. Beyond fatty acid methyl esters: Expanding the renewable carbon profile with alkenones from Isochrysis sp. Energy and Fuels. 26(4):2434-2441.
Methyl esters from vegetable oils with hydroxy fatty acids: Comparison of lesquerella and castor methyl esters Reprint Icon - (Peer Reviewed Journal)
Knothe, G.H., Cermak, S.C., Evangelista, R.L. 2012. Methyl esters from vegetable oils with hydroxy fatty acids: Comparison of lesquerella and castor methyl esters. Fuel. 96:535-540.
A survey of biodiesel feedstocks under performance perspectives - (Abstract Only)
Knothe, G.H. 2012. A survey of biodiesel feedstocks under performance perspectives. Annual Meeting and Expo of the American Oil Chemists' Society. IOP 1.
Guerbet compounds - (Review Article)
Knothe, G.H. 2011. Guerbet compounds. AOCS Lipid Library. http://lipidlibrary.aocs.org/chemistry/guerbet/index.htm
Lubricity studies with biodiesel and related compounds - (Abstract Only)
Knothe, G.H. 2010. Lubricity studies with biodiesel and related compounds [Extended abstract]. Society of Tribologists and Lubrication Engineers Annual Meeting & Expo. p. 129.
Will biodiesel derived from algal oils live up to its promise? A fuel property assessment - (Trade Journal)
Knothe, G.H. 2011. Will biodiesel derived from algal oils live up to its promise? A fuel property assessment. Lipid Technology. 23(11):247-249.
Historical perspectives on biofuels - (Book / Chapter)
Knothe, G.H. 2012. Historical perspectives on biofuels. In: Sayigh, A., Editor-in-Chief. Comprehensive Renewable Energy. 1st edition. Amsterdam, The Netherlands: Elsevier B.V. Vol. 5. p.11-14.
Kinematic viscosity of fatty acid methyl esters: Prediction, calculated viscosity contribution of esters with unavailable data, and carbon-oxygen equivalents - (Peer Reviewed Journal)
Knothe, G.H., Steidley, K.R. 2011. Kinematic viscosity of fatty acid methyl esters: Prediction, calculated viscosity contribution of esters with unavailable data, and carbon-oxygen equivalents. Fuel. 90:3217-3224.
Biodiesel from Milo (Thespesia populnea L.) seed oil - (Peer Reviewed Journal)
Rashid, U., Anwar, F., Knothe, G.H. 2011. Biodiesel from Milo (Thespesia populnea L.) seed oil. Biomass and Bioenergy. 35:4034-4039.
Biofuels: The role of biodiesel and improving its performance - (Proceedings)
Knothe, G.H. 2011. Biofuels: The role of biodiesel and improving its performance. Proceedings of the Materials Research Society Spring Annual Meeting, San Francisco, CA, April 25-28, 2011.
A technical evaluation of biodiesel from vegetable oils vs. algae. Will algae-derived biodiesel perform? - (Peer Reviewed Journal)
Knothe, G.H. 2011. A technical evaluation of biodiesel from vegetable oils vs. algae. Will algae-derived biodiesel perform? Green Chemistry. 13:3048-3065.
Fatty acids of Thespesia populnea: Mass spectrometry of picolinyl esters of cyclopropene fatty acids - (Peer Reviewed Journal)
Knothe, G.H., Rashid, U., Yusup, S., Anwar, F. 2011. Fatty acids of Thespesia populnea: Mass spectrometry of picolinyl esters of cyclopropene fatty acids. European Journal of Lipid Science and Technology. 113(8):980-984.
Optimizing biodiesel composition and properties - (Trade Journal)
Knothe, G.H. 2011. Optimizing biodiesel composition and properties. Biodiesel Magazine. p. 8.
NMR analysis of biodiesel - (Abstract Only)
Knothe, G.H. 2011. NMR analysis of biodiesel {abstract}. Annual Meeting and Expo of the American Oil Chemists' Society. p. 95.
Fatty acid alkyl esters as solvents: An evaluation of the kauri-butanol value. Comparison to hydrocarbons, dimethyl diesters and other oxygenates - (Peer Reviewed Journal)
Knothe, G.H., Steidley, K.R. 2011. Fatty acid alkyl esters as solvents: An evaluation of the kauri-butanol value. Comparison to hydrocarbons, dimethyl diesters and other oxygenates. Industrial and Engineering Chemistry Research. 50(7):4177-4182.
Production and properties of biodiesel from algal oils - (Book / Chapter)
Knothe, G.H. 2013. Production and properties of biodiesel from algal oils. In: Borowitzka, M.A., Moheimani, N.R., editors. Algae for Biofuels and Energy, Developments in Applied Phycology, Vol. 5. New York, NY: Springer. p. 207-221.
The potential of biodiesel with improved properties to an alternative energy mix - (Proceedings)
Knothe, G.H. 2011. The potential of biodiesel with improved properties to an alternative energy mix. Proceedings of the Second International Symposium of Global Centers of Excellence Program, "Energy Science in the Age of Global Warming-Toward CO2 Zero-emission Energy System," Zero-Carbon Energy Kyoto 2010, August 19-20, 2010, Kyoto, Japan. p. 75-82.
Will biodiesel fuels derived from algae perform? - (Abstract Only)
Knothe, G.H. 2011. Will biodiesel fuels derived from algae perform? {abstract} Annual Meeting and Expo of the American Oil Chemists' Society. p. 67.
Survey of alternative feedstocks for biodiesel production - (Abstract Only)
Moser, B.R., Vaughn, S.F., Knothe, G.H., Isbell, T. 2010. Survey of alternative feedstocks for biodiesel production [abstract]. National Biodiesel Board Biodiesel Technical Workshop. 1.
The potential contribution of biodiesel with improved properties to an alternative energy mix - (Abstract Only)
Knothe, G.H. 2010. The potential contribution of biodiesel with improved properties to an alternative energy mix [abstract]. 2nd International Symposium, Kyoto University, Global Centers of Excellence Program.
Liquid-phase penetration under unsteady in-cylinder conditions: Soy- and Cuphea-derived biodiesel fuels vs. conventional diesel - (Peer Reviewed Journal)
Fisher, B.T., Knothe, G.H., Mueller, C.J. 2010. Liquid-phase penetration under unsteady in-cylinder conditions: Soy- and Cuphea-derived biodiesel fuels vs. conventional diesel. Energy and Fuels. 24:5163-5180.
Additization of Ultra Low Sulfur Diesel (ULSD) Fuel with Monoglycerol Esters (Monoglycerides) - (Abstract Only)
Shah, S.N., Knothe, G.H. 2010. Additization of Ultra Low Sulfur Diesel (ULSD) Fuel with Monoglycerol Esters (Monoglycerides) [abstract]. Annual Meeting and Expo of the American Oil Chemists' Society. p. 79-80.
Biodiesel Derived from a Source Enriched in Palmitoleic Acid, Macadamia Nut Oil - (Abstract Only)
Knothe, G.H. 2010. Biodiesel Derived from a Source Enriched in Palmitoleic Acid, Macadamia Nut Oil [abstract]. Annual Meeting and Expo of the American Oil Chemists' Society. p. 72.
Biodiesel From Alternative Oilseed Feedstocks: Production and Properties - (Abstract Only)
Moser, B.R., Knothe, G.H., Vaughn, S.F. 2010. Biodiesel From Alternative Oilseed Feedstocks: Production and Properties [abstract]. Annual Meeting and Expo of the American Oil Chemists' Society. p. 72.
Vegetable oil-based diesel fuels: Overview and current trends - (Trade Journal)
Knothe, G.H. 2010. Vegetable oil-based diesel fuels: Overview and current trends. Journal of Air and Waste Management Association. 20-23.
Comments on the Manuscript, "Biodiesel Production from Freshwater Algae" - (Other)
Knothe, G.H., Kenar, J.A. 2010. Comments on the Manuscript, "Biodiesel Production from Freshwater Algae". Energy and Fuels. 24(5):3299-3300.
Biodiesel Derived from a Feedstock Enriched in Palmitoleic Acid, Macadamia Nut Oil - (Peer Reviewed Journal)
Knothe, G.H. 2010. Biodiesel Derived from a Feedstock Enriched in Palmitoleic Acid, Macadamia Nut Oil. Energy and Fuels. 24:2098-2103.
Biodiesel from Meadowfoam (Limnanthes alba L.) Seed Oil: Exceptional Oxidative Stability and Unusual Fatty Acid Composition - (Peer Reviewed Journal)
Moser, B.R., Knothe, G.H., Cermak, S.C. 2010. Biodiesel from Meadowfoam (Limnanthes alba L.) Seed Oil: Exceptional Oxidative Stability and Unusual Fatty Acid Composition. Energy and Environmental Science. 3:318-327.
Vegetable oils - (Book / Chapter)
Knothe, G.H. 2012. Vegetable oils. In: Kole, C., Joshi, C.P., and Shonnard, D.R., editors. Handbook of Bioenergy Crop Plants. Boca Raton, FL: Taylor and Francis. p. 793-810.
Biodiesel and Renewable Diesel: A Comparison - (Review Article)
Knothe, G.H. 2010. Biodiesel and Renewable Diesel: A Comparison. Progress in Energy and Combustion Science (PECS). 36:364-373.
Five Approaches to Improving the Fuel Properties of Biodiesel Including "Designer" Biodiesel - (Abstract Only)
Knothe, G.H. 2009. Five Approaches to Improving the Fuel Properties of Biodiesel Including "Designer" Biodiesel [abstract]. 2nd International Congress on Biodiesel, Munich, Germany.
Biodiesel and Renewable Diesel: A Critical Comparison - (Abstract Only)
Knothe, G.H. 2009. Biodiesel and Renewable Diesel: A Critical Comparison [abstract]. 2nd International Congress on Biodiesel, Munich, Germany.
Field Pennycress (Thlaspi arvense L.) Oil: A Promising Source of Biodiesel. - (Abstract Only)
Moser, B.R., Knothe, G.H., Vaughn, S.F., Isbell, T. 2009. Field Pennycress (Thlaspi arvense L.) Oil: A Promising Source of Biodiesel [abstract]. International Congress on Biodiesel. p. 20.
Biodiesel: Current Trends and Properties - (Peer Reviewed Journal)
Knothe, G.H. 2010. Biodiesel: Current Trends and Properties. Topics in Catalysis. 53(11-12):714-720.
Biodiesel Fuel Quality and the ASTM Standard - (Proceedings)
Knothe, G.H. 2009. Biodiesel Fuel Quality and the ASTM Standard [abstract]. Proceedings of the 16th International Oil Palm Conference and Expo, Cartagena, Columbia.
Biodiesel Fuel Quality and the ASTM Biodiesel Standard - (Abstract Only)
Knothe, G.H. 2009. Biodiesel Fuel Quality and the ASTM Biodiesel Standard [abstract]. 16th International Oil Palm Conference and Expo, Cartagena, Columbia.
A Comprehensive Evaluation of the Melting Points of Fatty Acids and Esters Determined by Differential Scanning Calorimetry - (Peer Reviewed Journal)
Knothe, G.H., Dunn, R.O. 2009. A Comprehensive Evaluation of the Melting Points of Fatty Acids and Esters Determined by Differential Scanning Calorimetry. Journal of the American Oil Chemists' Society. 86(1):843-856.
Production and Evaluation of Biodiesel from Field Pennycress (Thlaspi Arvense L.) Oil - (Peer Reviewed Journal)
Moser, B.R., Knothe, G.H., Vaughn, S.F., Isbell, T. 2009. Production and Evaluation of Biodiesel from Field Pennycress (Thlaspi Arvense L.) Oil. Energy and Fuels. 23:4149-4155.
Evaluation of Biodiesel Obtained from Cottonseed Oil - (Peer Reviewed Journal)
Rashid, U., Anwar, F., Knothe, G.H. 2009. Evaluation of Biodiesel Obtained from Cottonseed Oil. Energy and Fuels. 90(1):1157-1163.
Cuphea oil as a potential source of biodiesel with improved properties - (Abstract Only)
Knothe, G.H., Cermak, S.C., Evangelista, R.L. 2009. Cuphea oil as a potential source of biodiesel with improved properties [abstract]. American Oil Chemists Society. p. 80.
Vegetable Oil-based Diesel Fuels From 1900 to the Present - (Abstract Only)
Knothe, G.H. 2009. Vegetable Oil-based Diesel Fuels From 1900 to the Present [abstract]. Annual Meeting and Expo of the American Oil Chemists' Society, Orlando, FL.
Improving Biodiesel Fuel Properties by Modifying Fatty Ester Composition - (Review Article)
Knothe, G.H. 2009. Improving Biodiesel Fuel Properties by Modifying Fatty Ester Composition. Energy and Environmental Science. 2:759-766.
Biodiesel Prepared From Field Pennycress Oil - (Abstract Only)
Moser, B.R., Knothe, G.H., Vaughn, S.F., Isbell, T. 2009. Biodiesel Prepared From Field Pennycress Oil [abstract]. American Oil Chemists' Society. p. 80.
Cuphea Oil as Source of Biodiesel with Improved Fuel Properties Caused by High Content of Methyl Decanoate - (Peer Reviewed Journal)
Knothe, G.H., Cermak, S.C., Evangelista, R.L. 2009. Cuphea Oil as Source of Biodiesel with Improved Fuel Properties Caused by High Content of Methyl Decanoate. Energy and Fuels. 23:1743-1747.
A comparison of used cooking oils: a very heterogeneous feedstock for biodiesel - (Peer Reviewed Journal)
Knothe, G.H., Steidley, K.R. 2009. A comparison of used cooking oils: a very heterogeneous feedstock for biodiesel. Bioresource Technology. 100(1):5796-5801
Comparison of Exhaust Emissions and Their Mutagenicity from the Combustion of Biodiesel, Vegetable Oil, Gas-to-Liquid and Petrodiesel Fuels - (Peer Reviewed Journal)
Krahl, J., Knothe, G.H., Munack, A., Ruschel, Y., Schroder, O., Hallier, E., Westphal, G., Bunger, J. 2009. Comparison of Exhaust Emissions and Their Mutagenicity from the Combustion of Biodiesel, Vegetable Oil, Gas-to-Liquid and Petrodiesel Fuels. Fuel. 88:1064-1069.
Optimization of Biodiesel Composition and Comparison to Renewable Diesel - (Abstract Only)
Knothe, G.H. 2008. Optimization of Biodiesel Composition and Comparison to Renewable Diesel [abstract]. American Oil Chemists' Society Industrial Applications of Renewable Resources Conference on Biobased Technologies, Cincinnati, OH.
Biodiesel - (Research Notes)
Knothe, G.H. 2008. Biodiesel. Internet Web Page.
Biodiesel - (Abstract Only)
Dunn, R.O., Knothe, G.H., Moser, B.R., Erhan, S.Z. 2008. Biodiesel [abstract]. MWA Bioenergy Research Forum, Peoria, IL.
Biodiesel With Optimized Fatty Ester Composition - (Abstract Only)
Knothe, G.H. 2008. Biodiesel With Optimized Fatty Ester Composition [abstract]. Annual Meeting and Expo of the American Oil Chemists' Society, Seattle, WA.
Preparation of Biodiesel by Methanolysis of Crude Moringa Oleifera Oil - (Abstract Only)
Rashid, U., Anwar, F., Moser, B.R., Knothe, G.H. 2008. Preparation of Biodiesel by Methanolysis of Crude Moringa Oleifera Oil [abstract]. Annual Meeting and Expo of the American Oil Chemists' Society. p. 80.
Fuel Properties and Performance of Biodiesel - (Book / Chapter)
Erhan, S.Z., Dunn, R.O., Knothe, G.H., Moser, B.R. 2008. Fuel Properties and Performance of Biodiesel. In: Hou, C.T., editor. Biocatalysis and Bioenergy. New York, NY: John Wiley & Sons. p. 3-58.
Moringa Oleifera Oil: A Possible Source of Biodiesel - (Peer Reviewed Journal)
Rashid, U., Anwar, F., Moser, B.R., Knothe, G.H. 2008. Moringa Oleifera Oil: A Possible Source of Biodiesel. Bioresource Technology. 99:8175-8179.
Applications of 1H-NMR to Biodiesel Research - (Abstract Only)
Knothe, G.H. 2008. Applications of 1H-NMR to Biodiesel Research. Proceedings of Pittcon Meeting.
1,2-Isopropylidene Glycerol Carbonate: Preparation, Characterization, and Hydrolysis - (Peer Reviewed Journal)
Kenar, J.A., Knothe, G.H. 2008. 1,2-isopropylidene glycerol carbonate: preparation, characterization, and hydrolysis. Journal of the American Oil Chemists' Society. 85(4):365-372.
"Designer" biodiesel: optimizing fatty ester composition to improve fuel properties - (Peer Reviewed Journal)
Knothe, G.H. 2008. "Designer" biodiesel: optimizing fatty ester composition to improve fuel properties. Energy and Fuels. 22:1358-1364.
Biodiesel and renewable diesel - (Popular Publication)
Knothe, G.H. 2008. Biodiesel and renewable diesel. Inform. 19(1):149-152.
Fuel and physical properties of biodiesel components - (Book / Chapter)
Knothe, G.H. 2008. Fuel and physical properties of biodiesel components. In: Nag, A., editor. Biofuels Refining and Performance. Chapter 5. New York, NY: McGraw Hill. p. 149-164.
Effects on Fuel Properties of Various Biodiesel Components - (Abstract Only)
Knothe, G.H. 2007. Effects on Fuel Properties of Various Biodiesel Components [abstract]. International Congress on Biodiesel: The Science and the Technologies.
Bioenergy and biofuels from soybeans - (Book / Chapter)
Gerpen, J.V., Knothe, G.H. 2008. Bioenergy and biofuels from soybeans. In: Johnson, L.A., White, P.J., Galloway, R., editors. Soybeans: Chemistry, Production Processing, and Utilization. Chapter 16. Urbana, IL: AOCS Press. p. 499-538.
Biodiesel Supplement - (Popular Publication)
Knothe, G.H. 1987. Biodiesel Supplement. Inform.
Designing a Biodiesel Fuel with Optimized Fatty Acid Composition - (Abstract Only)
Knothe, G.H. 2007. Designing a Biodiesel Fuel with Optimized Fatty Acid Composition [abstract]. American Chemical Society National Meeting, Boston, MA.
Evaluation of ball and disk wear scar data in the HFRR lubricity test - (Peer Reviewed Journal)
Knothe, G.H. 2008. Evaluation of ball and disk wear scar data in the HFRR lubricity test. Lubrication Science. 20:35-45.
Applications of NMR to Biodiesel Research - (Abstract Only)
Knothe, G.H. 2007. Applications of NMR to Biodiesel Research [abstract]. Annual Meeting and Expo of the American Oil Chemists' Society, Quebec City, Canada.
The Analysis of Biodiesel Oxidation - (Abstract Only)
Knothe, G.H. 2007. The Analysis of Biodiesel Oxidation [abstract]. Annual Meeting and Expo of the American Oil Chemists' Society, Quebec City, Canada.
Characterization of fatty amides produced by lipase-catalyzed amidation of multihydroxylated fatty acids - (Peer Reviewed Journal)
Levinson, W.E., Kuo, T., Knothe, G.H. 2008. Characterization of fatty amides produced by lipase-catalyzed amidation of multihydroxylated fatty acids. Bioresource Technology. 99:2706-2709.
Kinematic viscosity of biodiesel components (fatty acid alkyl esters) and related compounds at low temperatures - (Peer Reviewed Journal)
Knothe, G.H., Steidley, K.R. 2007. Kinematic viscosity of biodiesel components (fatty acid alkyl esters) and related compounds at low temperatures. Fuel. 86:2560-2567.
Arthur von Hubl and the Iodine Value - (Popular Publication)
Knothe, G.H. 2007. Arthur von Hubl and the Iodine Value. Inform. 18(2):136-138.
Some Aspects of Biodiesel Oxidative Stability - (Peer Reviewed Journal)
Knothe, G.H. 2007. Some aspects of biodiesel oxidative stability. Fuel Processing Technology. 88:677-699.
Research on Biodiesel and Vegetable Oil Fuels - Then and Now - (Trade Journal)
Knothe, G.H. 2006. Research on Biodiesel and Vegetable Oil Fuels - Then and Now. Inform. 17(11):729-731.
ARS Biodiesel Research Initiatives - (Proceedings)
Foglia, T.A., Ashby, R.D., Dunn, R.O., Erhan, S.Z., Haas, M.J., Holser, R.A., Knothe, G.H., Marmer, W.N., Moser, B.R., Wyatt, V.T. 2006. ARS Biodiesel Research Initiatives. Proceedings of the United States - Japan Cooperative Program in Natural Resources Food & Agricultural Panel. p. HT5-HT11.
Biodiesel and the Issue of Diesel Fuel Lubricity - (Trade Journal)
Knothe, G.H. 2006. Biodiesel and the issue of diesel fuel lubricity. Lipid Technology. 18(5):105-108.
Analyzing Biodiesel: Standards and Other Methods - (Review Article)
Knothe, G.H. 2006. Analyzing biodiesel: Standards and other methods. Journal of the American Oil Chemists' Society. 83(10):823-833.
Chemical Properties - (Book / Chapter)
Kenar, J.A., Knothe, G.H., Gunstone, F.D. 2007. Chemical properties. In: Gunstone, F.D., Hardwood, J.L., Dijksta, A.J., editors. Lipid Handbook with CD-ROM, 3rd edition, Boca Raton, FL: Taylor & Francis Group LLC. p. 535-590.
Analysis of Oxidized Biodiesel by 1h-Nmr and Effect of Contact Area with Air - (Peer Reviewed Journal)
Knothe, G.H. 2006. Analysis of oxidized biodiesel by 1H-NMR and effect of contact area with air. European Journal of Science and Lipid Technology. 108:493-500.
Oxidative Stability of Biodiesel Assessed by Various Methods - (Abstract Only)
Knothe, G.H. 2006. Oxidative stability of biodiesel assessed by various methods [abstract]. 97th American Oil Chemists' Society Annual Meeting and Expo. p. 69.
Research on Biodiesel and Vegetable Oil Fuels - Then and Now - (Abstract Only)
Knothe, G.H. 2006. Research on biodiesel and vegetable oil fuels - Then and now [abstract]. 97th American Oil Chemists' Society Annual Meeting and Expo. p. 66.
Production of 10-Hydroxy-8(E)-Octadecenoic Acid from Oleic Acid Conversion by Strains of Pseudomonas aeruginosa - (Peer Reviewed Journal)
Kuo, T., Huang, J., Labeda, D.P., Wen, L., Knothe, G.H. 2008. Production of 10-Hydroxy-8(E)-Octadecenoic Acid from Oleic Acid Conversion by Strains of Pseudomonas aeruginosa. Current Microbiology. 57(5):437-441.
Nmr Characterization of Dihydrosterculic Acid and Its Methyl Ester - (Peer Reviewed Journal)
Knothe, G.H. 2006. NMR characterization of dihydrosterculic acid and its methyl ester. Lipids. 41:393-396.
Comparative Citation Analysis of Duplicate Or Highly Related Publications - (Review Article)
Knothe, G.H. 2006. Comparative citation analysis of duplicate or highly related publications. Journal of the American Society for Information Science and Technology. 57(13):1830-1839.
Exhaust Emissions of Biodiesel, Petrodiesel, Neat Methyl Esters, and Alkanes in a New Technology Engine - (Peer Reviewed Journal)
Knothe, G.H., Sharp, C.A., Ryan, III, T.W. 2005. Exhaust emissions of biodiesel, petrodiesel, neat methyl esters, and alkanes in a new technology engine. Energy and Fuels. 20(1):403-408.
The Lubricity of Biodiesel - (Proceedings)
Knothe, G.H. 2005. The lubricity of biodiesel. Proceedings of the Society of Automotive Engineers International at the Powertrain & Fluid Systems Conference and Exhibition. 2005-01-3672.
Comments on the Biodiesel Energy Balance Study by Pimentel and Patzek - (Review Article)
Knothe, G.H. 2005. Comments on the biodiesel energy balance study by Pimentel and Patzek. Lipid Technology. 17(9):198.
Biodiesel: An Alternative Diesel Fuel from Vegetable Oils Or Animal Fats - (Book / Chapter)
Knothe, G.H., Dunn, R.O. 2005. Biodiesel: an alternative diesel fuel from vegetable oils or animal fats. In: Erhan, S.Z., editor. Industrial Uses of Vegetable Oils. Chapter 4. Champaign, IL: AOCS Press. p. 42-89.
Kinematic Viscosity of Biodiesel Fuel Components and Related Compounds. Influence of Compound Structure and Comparison to Petrodiesel Fuel Components. - (Peer Reviewed Journal)
Knothe, G.H., Steidley, K.R. 2005. Kinematic viscosity of biodiesel fuel components and related compounds. Influence of compound structure and comparison to petrodiesel fuel components. Fuel. 84(9):1059-1065.
A Closer Look at Biodiesel Lubricity - (Abstract Only)
Knothe, G.H. 2005. A closer look at biodiesel lubricity [abstract]. Annual Meeting and Expo of the American Oil Chemists' Society. p.56.
Physical Properties of Oleochemical Carbonates - (Peer Reviewed Journal)
Kenar, J.A., Knothe, G.H., Dunn, R.O., Ryann, III, T.W., Matheaus, A. 2005. Physical properties of oleochemical carbonates. Journal of the American Oil Chemists' Society. 82(3):201-205.
Dependence of Biodiesel Fuel Properties on the Structure of Fatty Acid Alkyl Esters - (Peer Reviewed Journal)
Knothe, G.H. 2005. Dependence of biodiesel fuel properties on the structure of fatty acid alkyl esters. Fuel Processing Technology. 86(10):1059-1070.
Lubricity of Components of Biodiesel and Petrodiesel. the Origin of Biodiesel Lubricity - (Peer Reviewed Journal)
Knothe, G.H., Steidley, K.R. 2005. Lubricity of components of biodiesel and petrodiesel. The origin of biodiesel lubricity. Energy and Fuels. 19(3):1192-1200.
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.
Fuel Properties of Biodiesel Components - (Abstract Only)
Knothe, G.H. 2004. Fuel properties of biodiesel components [abstract]. Great Lakes Regional American Chemical Society Symposium. p. 162.
Synthesis and Characterization of Some Oxygenated Long-Chain Compounds - (Abstract Only)
Knothe, G.H. 2004. Synthesis and characterization of some oxygenated long-chain compounds [abstract]. Great Lakes Regional American Chemical Society Symposium. p. 186.
Production and Uses of 7,10,12-Trihydroxy-8(e)-Octadecenoic Acid from Ricinoleic Acid Conversion by Pseudomonas Aeruginosa - (Abstract Only) - (12-May-04)
Production and Properties of 7,10,12-Trihydroxy-8(e)-Octadecenoic Acid from Ricinoleic Acid Conversion by Pseudomonas Aeruginosa - (Peer Reviewed Journal)
Kuo, T., Knothe, G.H. 2004. Production and properties of 7,10,12-trihydroxy-8(e)-octadecenoic acid from ricinoleic acid conversion by pseudomonas aeruginosa. European Journal Lipid Science Technology. 106:405-411.
Viscosity and Lubricity of Biodiesel Fuel Components - (Abstract Only)
Knothe, G.H., Steidley, K.R. 2004. Viscosity and lubricity of biodiesel fuel components [abstract]. Annual Meeting and Expo of the American Oil Chemists' Society. p. 77.
Synthesis and Characterization of Dialkyl Carbonates Prepared from Mid-, Long-Chain, and Guerbet Alcohols - (Peer Reviewed Journal)
Kenar, J.A., Knothe, G.H., Copes, A.L. 2004. Synthesis and characterization of dialkyl carbonates prepared from mid-, long-chain, and guerbet alcohols. Journal of the American Oil Chemists' Society. 81(3):285-291.
Biodiesel Fuel Properties of Soybean Oil Fatty Acid Esters - (Proceedings)
Knothe, G.H. 2004. Biodiesel fuel properties of soybean oil fatty acid esters. Proceedings of International Soybean Processing and Utilization Conference. p. 1008-1015.
Determination of the Fatty Acid Profile by H-Nmr Spectroscopy - (Peer Reviewed Journal)
Knothe, G.H., Kenar, J.A. 2004. Determination of the fatty acid profile by h-nmr spectroscopy. European Journal Lipid Science Technology. 106(2):88-96.
Influence of Compound Structure, Concentration and Presence of Metals on Oxidative Stability of Fatty Compounds by the Oil Stability Index Method - (Peer Reviewed Journal)
Knothe, G.H., Dunn, R.O. 2003. Influence of compound structure, concentration and presence of metals on oxidative stability of fatty compounds by the oil stability index method. Journal of the American Oil Chemists' Society. 80(10):1021-1026.
Influence of Structure of Esters of Fatty Acids on Biodiesel Fuel Properties - (Peer Reviewed Journal)
KNOTHE, G.H. INFLUENCE OF STRUCTURE OF ESTERS OF FATTY ACIDS ON BIODIESEL FUEL PROPERTIES. LANDBAUFORSCHUNG VOELKENRODE. 2003. v.239. pp. 115-124.
Module D-4: Fuel Quality of Biodiesel - (Proceedings)
KNOTHE, G.H. MODULE D-4: FUEL QUALITY OF BIODIESEL. IOWA STATE UNIVERSITY BIODIESEL WORKSHOP. 2003.
Quantitative Analysis of Mixtures of Fatty Compounds by 1h-Nmr - (Trade Journal)
Knothe, G.H. 2003. Quantitative analysis of mixtures of fatty compounds by 1h-nmr. Lipid Technology. 15:111-114.
Oxidative Stability of Biodiesel/jet Fuel Blends by Oil Stability Index (Osi) Analysis. - (Other)
Dunn, R.O., Knothe, G.H. 2003. Oxidative stability of biodiesel/jet fuel blends by oil stability index (osi) analysis. Journal of the American Oil Chemists' Society. 80(10):1047-1048.
Oil Stability Index (Osi) Studies on the Oxidative Stability of Biodiesel - (Abstract Only)
DUNN, R.O., KNOTHE, G.H. OIL STABILITY INDEX (OSI) STUDIES ON THE OXIDATIVE STABILITY OF BIODIESEL. ANNUAL MEETING AND EXPO OF THE AMERICAN OIL CHEMISTS SOCIETY. 2003. Abstract. pp.80-81.
Fuel Properties and the Structure of Fatty Esters - (Abstract Only)
KNOTHE, G.H. FUEL PROPERTIES AND THE STRUCTURE OF FATTY ESTERS. ANNUAL MEETING AND EXPO OF THE AMERICAN OIL CHEMISTS SOCIETY. 2003. Abstract p.81.
Cetane Numbers of Branched and Straight-Chain Fatty Esters Determined in An Ignition Quality Tester - (Peer Reviewed Journal)
KNOTHE, G.H., MATHEAUS, A.C., RYAN, T.W. CETANE NUMBERS OF BRANCHED AND STRAIGHT-CHAIN FATTY ESTERS DETERMINED IN AN IGNITION QUALITY TESTER. FUEL. 2002. v.82. pp.971-975.
Spectroscopic Methods for Determining the Oxidation of Biodiesel Fuel - (Proceedings) - (28-Sep-02)
Spectroscopic Methods for Determining the Oxidation of Biodiesel Fuel - (Abstract Only)
KNOTHE, G.H. SPECTROSCOPIC METHODS FOR DETERMINING THE OXIDATION OF BIODIESEL FUEL. Proceedings of the Bioenergy Conference. Boise, ID. 2002. Paper No.2121.
Oxidative Stability of Biodiesel/jet Fuel Blends - (Abstract Only)
DUNN, R.O., KNOTHE, G.H. OXIDATIVE STABILITY OF BIODIESEL/JET FUEL BLENDS. Proceedings of the Bioenergy Conference. Boise, ID. 2002. ABSTRACT. Paper No. 2117.
Oxidative Stability of Biodiesel/jet Fuel Blends - (Proceedings)
DUNN, R.O., KNOTHE, G.H. OXIDATIVE STABILITY OF BIODIESEL/JET FUEL BLENDS. MEETING ABSTRACT. 2002.
Synthesis, Applications, and Characterization of Guerbet Compounds and Their Derivatives - (Trade Journal)
KNOTHE, G.H. SYNTHESIS, APPLICATIONS, AND CHARACTERIZATION OF GUERBET COMPOUNDS AND THEIR DERIVATIVES. LIPID TECHNOLOGY. 2002.v.14. pp.101-104.
Synthesis and Characterization of Some Oxygenated Fatty Compounds - (Abstract Only)
KNOTHE, G.H., KENAR, J.A. SYNTHESIS AND CHARACTERIZATION OF SOME OXYGENATED FATTY COMPOUNDS. World Conference and Exhibition on Oilseed and Edible, Industrial and Specialty Oils. Istanbul, Turkey. 2002. ABSTRACT. p. 14.
Improving the Fuel Properties, Exhaust Emissions and Economics of Biodiesel in the Usa. - (Abstract Only)
DUNN, R.O., KNOTHE, G.H., FOGLIA, T.A., HAAS, M.J., MARMER, W.N. IMPROVING THE FUEL PROPERTIES, EXHAUST EMISSIONS AND ECONOMICS OF BIODIESEL IN THE USA. WORLD CONFERENCE AND EXHIBITION ON OILSEED AND EDIBLE, INDUSTRIAL AND SPECIALTY OILS. 2002. Abstract. p.6.
Innovative Non-Food Uses of Soybean Oil - (Proceedings) - (06-Jun-02)
Monitoring of Biodiesel Oxidation - (Abstract Only) - (08-May-02)
Predicting the Oxidative Stability of Biodiesel - (Abstract Only)
DUNN, R.O., KNOTHE, G.H. PREDICTING THE OXIDATIVE STABILITY OF BIODIESEL. ANNUAL MEETING AND EXPO OF THE AMERICAN OIL CHEMISTS' SOCIETY. 2002.
Synthesis and Characterization of Long-Chain 1,2-Dioxo Compounds - (Peer Reviewed Journal) - (28-Feb-02)
Biodiesel: Historical Perspectives and Status in the United States - (Proceedings) - (24-Sep-01)
A Century of Vegetable Oil-Based Diesel Fuels - (Abstract Only) - (20-Sep-01)
Cetane Numbers of Fatty Compounds: New Results and Relation to Previous Research - (Abstract Only) - (16-May-01)
Characterization of Esters of Fatty Acids and Dicarboxylic Acids with Guerbet Alcohols - (Peer Reviewed Journal) - (26-Feb-01)
Alternative Diesel Fuels from Vegetable Oils and Animal Fats - (Peer Reviewed Journal)
DUNN, R.O., KNOTHE, G.H. ALTERNATIVE DIESEL FUELS FROM VEGETABLE OILS AND ANIMAL FATS. JOURNAL OLEO SCIENCE. 2001.
Fat and Fuel Quality Indices Applied to Biodiesel - (Abstract Only) - (27-Oct-00)
Alternative Diesel Fuels from Vegetable Oils and Animal Fats - (Abstract Only)
DUNN, R.O., KNOTHE, G.H. ALTERNATIVE DIESEL FUELS FROM VEGETABLE OILS AND ANIMAL FATS. MEETING ABSTRACT. 2000.
Alternative Diesel Fuels from Vegetable Oils and Animal Fats - (Proceedings)
DUNN, R.O., KNOTHE, G.H. ALTERNATIVE DIESEL FUELS FROM VEGETABLE OILS AND ANIMAL FATS. PROCEEDINGS JOCS/AOCS WORLD CONGRESS. 2000.
Current Status of Biodiesel and Related Research - (Trade Journal)
KNOTHE, G.H., DUNN, R.O. CURRENT STATUS OF BIODIESEL AND RELATED RESEARCH. GREAT LAKES CANOLA ASSOCIATION NEWSLETTER. 2000.
Relation of Some Oil and Fat Indices to Biodiesel - (Abstract Only) - (12-Jul-00)
Relation of Some Fat and Oil Indices to Biodiesel - (Proceedings) - (12-Jul-00)
Biodiesel in Usa - (Abstract Only) - (20-Jun-00)
Biodiesel: History and Current Status - (Abstract Only) - (14-Jun-00)
The Iodine Value and Biodiesel - (Abstract Only) - (28-Apr-00)
Analysis by Gc-Ms of Branched Esters Used in Various Industrial Applications - (Abstract Only) - (28-Apr-00)
Monitoring a Progressing Transesterification Reaction by Fiber-Optic Near Infrared Spectroscopy with Correlation to (1)h-Nuclear Magnetic Resonance Spectroscopy - (Peer Reviewed Journal) - (11-Mar-00)
Analysis of Biodiesel Fuel and Monitoring Progress of the Transesterifica Tion Reaction by Fiber-Optic Near Infrared Spectroscopy - (Abstract Only) - (22-Jul-99)
Analysis of Biodiesel Fuel and Monitoring Progress of the Transesterifica Tion Reaction by Fiber-Optic Near Infrared Spectroscopy - (Proceedings) - (22-Jul-99)
Some Derivatives of Fatty Compounds for Mass Spectral Structure Determination - (Review Article) - (12-May-99)
Studies on Bulky and Branched Compounds As Potential Biodiesel Cold-Flow Improvers - (Abstract Only) - (12-May-99)
Rapid Monitoring of Transesterification and Assessing Biodiesel Fuel Quality by Nir Spectroscopy Using a Fiber-Optic Probe - (Peer Reviewed Journal) - (29-Mar-99)
Vegetable Oils for Environmentally-Friendly Applications - (Abstract Only) - (02-Mar-99)
Vegetable Oils for Environmentally-Friendly Applications - (Proceedings) - (02-Mar-99)
Evaluation of the 13c-Nmr Signals of Saturated Carbons in Long-Chain Compounds - (Peer Reviewed Journal) - (19-Jun-98)
Recent Results from Biodiesel Research at the National Center for Agricultural Utilization Research - (Proceedings) - (13-Jun-98)
Cetane Numbers, Cetane Improvement and Precombustion of Fatty Compounds in Biodiesel - (Proceedings) - (11-Jun-98)
Cetane Numbers, Cetane Improvement and Precombustion of Fatty Compounds in Biodiesel - (Abstract Only) - (11-Jun-98)
Spectroscopic Means for Assessing Biodiesel Fuel Quality - (Abstract Only) - (13-May-98)
Predicting Cetane Numbers of Ester Fuels - (Abstract Only) - (13-May-98)
Precombustion Chemistry of Vegetable Oil-Based Biofuels - (Abstract Only) - (13-May-98)
The Use of Vegetable Oils in Industrial Products - (Proceedings) - (19-Dec-97)
Precombustion of Fatty Acids and Esters, the Components of Transesterified Vegetable Oils Used As Alternative Diesel Fuel - (Abstract Only) - (21-Nov-97)
Precombustion and Cetane Improvement of Fatty Compounds - (Abstract Only) - (10-Jul-97)
Nmr Characterization of Fatty Compounds Obtained Via Selenium Dioxide-Basedoxidations - (Proceedings) - (14-May-97)
Precombustion of Fatty Acids and Esters When Used As Alternative Diesel Fuels - (Abstract Only) - (14-May-97)
Autoignition Characteristics of Fatty Acids, Esters, and Blends of Various Cetane-Improving Additives in Selected Fatty Acids and Esters - (Abstract Only) - (14-May-97)
Cetane Numbers of Fatty Compounds: Influence of Compound Structure and of Various Potential Cetane Improvers - (Peer Reviewed Journal) - (19-Feb-97)
Recent Advances in the Development of Alternative Diesel Fuel from Vegetable Oils and Animal Fats - (Review Article) - (26-Dec-96)
Improving the Properties of Vegetable Oils and Fats for Use As Biodiesel - (Abstract Only) - (10-Oct-96)
The Influence of Various Oxygenated Compounds on the Cetane Numbers of Fatty Acids and Esters - (Abstract Only) - (17-Sep-96)
The Influence of Various Oxygenated Compounds on the Cetane Numbers of Fatty Acids and Esters - (Proceedings) - (17-Sep-96)
Reaction of Isolated Double Bonds with Selenium Dioxide/hydrogen Peroxide. Formation and Characterization of Novel Selenite Esters - (Peer Reviewed Journal) - (29-Jun-96)
Development and Some Technical Aspects of Biodiesel Standards - (Review Article) - (14-Jun-96)
Ampicillin Stabilizes the Production of Threo,7,10-Dihydroxy-8(e)-Octa Decenoic Acid from Oleic Acid by Pseudomonas Aeruginosa 2hsp - (Abstract Only) - (22-May-96)
Reaction of Monounsaturated Fatty Compounds with Selenium Dioxide/hydrogen Peroxide. Nmr Characterization of Fatty Selenite Esters - (Abstract Only) - (01-May-96)
Synthesis of Allylic Hydroxy Fatty Compounds and Their Properties - (Abstract Only) - (01-May-96)
Evaluation of the Olefinic Proton Signals in the 1h-Nmr Spectra of Allylic Hydroxy Groups in Long-Chain Compounds - (Peer Reviewed Journal) - (08-Apr-96)
Biodiesel: the Use of Vegetable Oils and Their Derivatives As Alternative Diesel Fuels - (Abstract Only) - (28-Mar-96)
Biodiesel: the Use of Vegetable Oils and Their Derivatives As Alternative Diesel Fuels - (Proceedings) - (28-Mar-96)
Assignment of 13c-Nmr Signals in Fatty Compounds with Allylic Hydroxy Groups - (Peer Reviewed Journal) - (02-Feb-96)
Evaluation of the 13c-Nmr Signals of the Unsaturated Carbons of Triacylglycerols - (Peer Reviewed Journal) - (30-May-95)
Fatty Alcohols Through Hydroxylation of Symmetrical Alkenes with Selenium Dioxide / TERT.-BUTYLHYDROPEROXIDE - (Peer Reviewed Journal) - (25-May-95)
Allylic Hydroxy Fatty Compounds with Delta 5-, Delta 7-, Delta 8-, and Delta 10-Unsaturation - (Peer Reviewed Journal) - (28-Mar-95)
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Last Modified: 12/18/2014
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