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ARS Home » Northeast Area » Wyndmoor, Pennsylvania » Eastern Regional Research Center » Sustainable Biofuels and Co-products Research » People & Locations » David Johnston
David Johnston (PhD)
Sustainable Biofuels and Co-products Research
Food Technologist

Phone: (215) 836-3756
Fax: (215) 233-6406
Room 3125

600 E MERMAID LN
ERRC
WYNDMOOR, PA 190388598
Projects
Integrated Biological/Chemical Biorefining for Production of Chemicals and Fuels
In-House Appropriated (D)
  Accession Number: 439257

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Optimization of the in situ transesterification of grain sorghum (milo) ddgs to fatty acid methyl esters and fatty acid ethyl esters - (Peer Reviewed Journal)
Effects of nitrogenous substances on heat transfer fouling using model thin stillage fluids Reprint Icon - (Peer Reviewed Journal)
You, J., Johnston, D., Dien, B.S., Singh, V., Engeseth, N.J., Tumbleson, M., Rausch, K.D. 2020. Effects of nitrogenous substances on heat transfer fouling using model thin stillage fluids. Food and Bioproducts Processing. 119:125-132. https://doi.org/10.1016/j.fbp.2019.10.010.
Phaffia rhodozyma cultivation on structural and non-structural sugars from sweet sorghum for astaxanthin generation Reprint Icon - (Peer Reviewed Journal)
Stoklosa, R.J., Johnston, D., Nghiem, N.P. 2019. Phaffia rhodozyma cultivation on structural and non-structural sugars from sweet sorghum for astaxanthin generation. Process Biochemistry. 83:9-17. https://doi.org/10.1016/j.procbio.2019.04.005.
Grain sorghum fractionation in a modified dry grind ethanol process that includes production of an enriched protein fraction Reprint Icon - (Peer Reviewed Journal)
Johnston, D. 2019. Grain sorghum fermentation in a modified dry grind ethanol process that includes production of an enriched protein fraction. Cereal Chemistry. 96:920-926. https://doi.org/10.1002/cche.10195.
Evaluation of sweet sorghum juice for the production of lysine using corynebacterium glutamicum - (Peer Reviewed Journal)
Johnston, D., Nghiem, N.P. 2018. Evaluation of sweet sorghum juice for the production of lysine using corynebacterium glutamicum. Fermentation. 4(29):1-8.
Production of biodiesel via the in situ transesterification of grain sorghum bran and DDGS - (Peer Reviewed Journal)
Wyatt, V.T., Jones, K.C., Johnston, D., Moreau, R.A. 2018. Production of biodiesel via the in situ transesterification of grain sorghum bran and DDGS. Journal of the American Oil Chemists' Society. 95:743-752.
Utilization of sweet sorghum juice for the production of astaxanthin as a biorefinery co-product by phaffia rhodozyma - (Peer Reviewed Journal)
Stoklosa, R.J., Johnston, D., Nghiem, N.P. 2018. Utilization of sweet sorghum juice for the production of astaxanthin as a biorefinery co-product by phaffia rhodozyma. ACS Sustainable Chemistry & Engineering. 3(6):3124-3134.
Burkholderia sacchari DSM 17165: A source of compositionally-tunable block-copolymeric short-chain poly(hydroxyalkanoates) from xylose and levulinic acid - (Peer Reviewed Journal)
Ashby, R.D., Solaiman, D., Nunez, A., Strahan, G.D., Johnston, D. 2018. Burkholderia sacchari DSM 17165: A source of compositionally-tunable block-copolymeric short-chain poly(hydroxyalkanoates) from xylose and levulinic acid. Bioresource Technology. 253:333-342.
Inexpensive, renewable substrates for the fermentative biosynthesis of bacterial poly(hydroxyalkanoate)s with controlled monomeric compositions - (Abstract Only)
A comparison between corn and grain sorghum fermentation rates, distillers dried grains with solubles composition, and lipid profiles Reprint Icon - (Peer Reviewed Journal)
Johnston, D., Moreau, R.A. 2017. A comparison between corn and grain sorghum fermentation rates, distillers dried grains with solubles composition, and lipid profiles. Bioresource Technology. 226:118-124.
Evaporator fouling tendencies of thin stillage and concentrates from the dry grind process Reprint Icon - (Peer Reviewed Journal)
Challi, R.K., Zhang, Y.B., Johnston, D., Singh, V., Engeseth, N.J., Tumbleson, M., Rausch, K.D. 2017. Evaporator fouling tendencies of thin stillage and concentrates from the dry grind process. Heat Transfer Engineering. 38(7-8):743-752.
Sorghum as a renewable feedstock for production of fuels and industrial chemicals Reprint Icon - (Peer Reviewed Journal)
Nghiem, N.P., Montanti, J.M., Johnston, D. 2016. Sorghum as a renewable feedstock for production of fuels and industrial chemicals. AIMS Bioengineering. 3(1):75-91.
Hyperthermophilic hydrogen production from wastewater biosolids by caldicellulosiruptor bescii Reprint Icon - (Peer Reviewed Journal)
Yilmazel, Y.D., Johnston, D., Duran, M. 2015. Hyperthermophilic hydrogen production from wastewater biosolids by caldicellulosiruptor bescii. International Journal of Hydrogen Energy. 40(36):12177-12186.
Production of bio-based fiber gums from the waste streams resulting from the commercial processing of corn bran and oat hulls Reprint Icon - (Peer Reviewed Journal)
Yadav, M.P., Hicks, K.B., Johnston, D., Hotchkiss, A.T., Chau, H.K., Hanah, K. 2015. Production of bio-based fiber gums from the waste streams resulting from the commercial processing of corn bran and oat hulls. Food Hydrocolloids Journal. DOI: 10.1016/j.foodhy.2015.02.017.
Fouling characteristics of model carbohydrate mixtures and their interaction effects Reprint Icon - (Peer Reviewed Journal)
Challa, R., Johnston, D., Singh, V., Tumbleson, M., Rausch, K. 2014. Fouling characteristics of model carbohydrate mixtures and their interaction effects. Journal of Food and Bioproducts Processing. 93:197-204.
Protease addition to increase yield and fermentation rate in dry grind ethanol production - (Peer Reviewed Journal)
Johnston, D., Mcaloon, A.J. 2013. Protease addition to increase yield and fermentation rate in dry grind ethanol production. Bioresource Technology. 154:18-25.
The development of a "Green" aqueous enzymatic process to extract corn oil from corn germ ()
Moreau, R.A., Johnston, D., Hicks, K.B. 2013. The development of a "Green" aqueous enzymatic process to extract corn oil from corn germ. Inform. 24:595-596.
Fouling of evaporators in maize processing developing a fundamental understanding - (Proceedings)
Rausch, K.D., Challa, R.K., Zhang, Y.A., Johnston, D., Dien, B.S., Singh, V.J., Tumbleson, M.E. 2013. Fouling of evaporators in maize processing developing a fundamental understanding. Proceedings of the International Conference on Heat Exchanger Fouling and Cleaning.
Aqueous extraction of corn oil after fermentation in the dry grind ethanol process ()
Moreau, R.A., Johnston, D.B., Haas, M.J, Hicks, K.B. 2012. Aqueous extraction of corn oil after fermentation in the dry grind ethanol process. In: Farr, W., Proctor, A., editors. Green Oil Processing. Urbana, IL: AOCS Press. p. 53-70.
Industrial evaluation of a dynamic controller for simultaneous saccharification and fermentation process - (Peer Reviewed Journal)
Murthy, G.S., Rausch, K.D., Johnston, D., Tumbleson, M.E., Singh, V. 2011. Industrial evaluation of a dynamic controller for simultaneous saccharification and fermentation process. Industrial Biotechnology. 7(4):298-307.
Reduction in energy usage during dry grind ethanol production by enhanced enzymatic dewatering of whole stillage: plant trial, process model and economic analysis - (Peer Reviewed Journal)
Henriques, A., Johnston, D., Mcaloon, A.J., Dudukovic, M.P. 2011. Reduction in energy usage during dry grind ethanol production by enhanced enzymatic dewatering of whole stillage: plant trial, process model and economic analysis. Industrial Biotechnology . 7(4)288-297.
Scale-up of ethanol production from winter barley by the EDGE (enhanced dry grind enzymatic) process in fermentors up to 300 liters - (Peer Reviewed Journal)
Nghiem, N.P., Taylor, F., Hicks, K.B., Johnston, D., Shetty, J. 2011. Scale-up of ethanol production from winter barley by the EDGE (enhanced dry grind enzymatic) process in fermentors up to 300 liters. Applied Biochemistry and Biotechnology. 165:870-882.
Economic analysis of fuel ethanol production from hulled barley by the EDGE (Enhanced Dry Grind Enzymatic) process - (Peer Reviewed Journal)
Nghiem, N.P., Ramirez, E., Mcaloon, A.J., Yee, W.C., Johnston, Hicks, K.B. 2011. Economic analysis of fuel ethanol production from winter hulled barley by the EDGE (Enhanced Dry Grind Enzymatic) process. Bioresource Technology. 102:6696-6701.
Modification of aqueous enzymatic oil extraction to increase the yield of corn oil from dry fractionated corn germ - (Peer Reviewed Journal)
Dickey, L.C., Johnston, D., Kurantz, M.J., Mcaloon, A.J., Moreau, R.A. 2011. Modification of aqueous enzymatic oil extraction to increase the yield of corn oil from dry fractionated corn germ. Industrial Crops and Products. 34:845-850.
Fractionation of corn fiber treated by soaking in aqueous ammonia (SAA) for isolation of hemicellulose B and production of C5 sugars by enzyme hydrolysis - (Peer Reviewed Journal)
Montanti, J., Nghiem, N.P., Johnston, D., Drapcho, C. 2011. Fractionation of corn fiber treated by soaking in aqueous ammonia (SAA) for isolation of hemicellulose B and production of C5 sugars by enzyme hydrolysis. Applied Biochemistry and Biotechnology. 164:1390-1404.
Germ derived free amino nitrogen as supplement for corn endosperm fermentation - (Peer Reviewed Journal)
Vidal, B.C., Johnston, D., Rausch, K.D., Tumbleson, M.E., Singh, V. 2011. Germ derived free amino nitrogen as supplement for corn endosperm fermentation. Cereal Chemistry. 88(3)328-332.
Production of astaxanthin from cellulosic biomass sugars by mutants of the yeast Phaffia rhodozyma - (Peer Reviewed Journal)
Montanti, J.M., Nghiem, N.P., Johnston, D. 2011. Production of astaxanthin from cellulosic biomass sugars by mutants of the yeast Phaffia rhodozyma. Applied Biochemistry and Biotechnology. 164:655-665.
Manufacturing of fuel ethanol and DDGS – current and evolving processes ()
Contribution of lipids, phenolic acids, and protein rich components to emulsifying properties of corn fiber gum and acacia gum - (Proceedings)
Yadav, M.P., Moreau, R.A., Johnston, D., Hicks, K.B. 2011. Contribution of lipids, phenolic acids, and protein rich components to emulsifying properties of corn fiber gum and acacia gum. In: Kennedy, J.F., Phillips, G.O., Williams, P.A., editors. World Conference on New developments in acacia gums research, products and processes, September 20-22, 2010, Cambridge, UK. published by Royal Society of Chemistry. 261-268.
Winter barley ethanol - a new advanced biofuel - (Proceedings)
Hicks, K.B., Nghiem, N.P., Johnston, D., Moreau, R.A., Mcaloon, A.J., Boateng, A.A., Mullen, C.A., Yee, W.C., Kurantz, M.J. 2010. Winter barley ethanol - a new advanced biofuel. In Rausch, K., Singh, V., Tumbleson, M. (editors). Proceedings of the S-1041 Symposium on "Conversion Technologies for Biofuels", August 2-3, 2010, Wyndmoor, PA. p.54-58.
Sources of variatio in composition of DDGS - (Peer Reviewed Journal)
Belyea, R.L., Rausch, K.D., Clevenger, T.E., Singh, V., Johnston, D., Tumbleson, M.E. 2010. Sources of variatio in composition of DDGS. Animal Feed Science And Technology, 159:122-130.
Ethanol production from starch-rich crops other than corn and the composition and value of the resulting DDGS ()
Moreau, R.A., Nghiem, N.P., Rosentrater, K.A., Johnston, D., Hicks, K.B. 2012. Ethanol production from starch-rich crops other than corn and the composition and value of the resulting DDGS. In: Liu, K., Rosentrater, K.A., editors. Distillers Grains: Production, Properties and Utilization. Boca Raton, FL: CRC Press. p. 103-117.
Production of ethanol from barley by a conventional process and the EDGE (Enhanced Dry Grind Enzymatic) process - (Peer Reviewed Journal)
Nghiem, N.P., Hicks, K.B., Johnston, D., Senske, G.E., Kurantz, M.J., Li, M., Shetty, J., Janda-Konieczny, G. 2010. Production of ethanol from barley by a conventional process and the EDGE (Enhanced Dry Grind Enzymatic) process. Biotechnology for Biofuels. 3:8. doi:10.1186/1754-6834-3-8.
Integration of succinic acid and ethanol production within a corn or barley biorefinery - (Peer Reviewed Journal)
Nghiem, N.P., Hicks, K.B., Johnston, D., 2010. Integration of succinic acid and ethanol production with potential application in a corn or barley biorefinery. Applied Biochemistry and Biotechnology: 162(7):1915.
The composition of corn oil produced after fermentation via centrifugation in a commercial dry grind ethanol process - (Peer Reviewed Journal)
Moreau, R.A., Hicks, K.B., Johnston, D., Laun, N.P. 2010. The composition of corn oil produced after fermentation via centrifugation from a commercial dry grind ethanol process. Journal of the American Oil Chemists' Society, 87:895-902.
Corn fiber gum and milk protein conjugates with improved emulsion stability - (Peer Reviewed Journal)
Yadav, M.P., Parris, N., Johnston, D., Onwulata, C.I., Hicks, K.B. 2010. Corn fiber gum and milk protein conjugates with improved emulsion stability. Carbohydrate Polymers. 81:476-483.
Grinding and cooking dry-mill germ to optimize aqueous enzymatic oil extraction - (Peer Reviewed Journal)
Dickey, L.C., Kurantz, M.J., Johnston, D., Mcaloon, A.J., Moreau, R.A. 2010. Grinding and cooking dry-mill germ to optimize aqueous enzymatic oil extraction. Industrial Crops and Products. 32:36-40.
Continuous High-solids corn liquefaction and fermentation with stripping of ethanol - (Peer Reviewed Journal)
Taylor, F., Marquez, M., Johnston, D., Goldberg, N.M., Hicks, K.B. 2010. Continuous High-solids corn liquefaction and fermentation with stripping of ethanol. Bioresource Technology. 101:4403-4408.
Effect of endosperm hardness on an ethanol process using a granular starch hydrolyzing enzyme - (Peer Reviewed Journal)
Wang, P., Liu, W., Johnston, D., Rausch, K.D., Schmidt, S.J., Tumbleson, M.E., Singh, V. 2010. Effect of endosperm hardness on an ethanol process using a granular starch hydrolyzing enzyme. 2010. Transactions of the ASABE, American Society of Agricultural and Biological Engineers. 53(1):307-312.
Importance of protein rich components in the emulsifying properties of corn fiber gum - (Peer Reviewed Journal)
Yadav, M.P., Cooke, P.H., Johnston, D., Hicks, K.B. 2010. Importance of protein rich components in the emulsifying properties of corn fiber gum. Cereal Chemistry. 87(2):89-94.
Production of astaxanthin from corn fiber as a value-added co-product of fuel ethanol fermentation - (Peer Reviewed Journal)
Nghiem, N.P., Montanti, J., Johnston, D. 2009. Production of astaxanthin from corn fiber as a value-added co-product of fuel ethanol fermentation. Applied Biochemistry and Biotechnology. 154:227-237.
Enzymatic corn wet milling: engineering process and cost model - (Peer Reviewed Journal)
Ramirez, E., Johnston, D., Mcaloon, A.J., Singh, V. 2009. Enzymatic corn wet milling: engineering process and cost model. Biotechnology for Biofuels. 2:2.
Corn fiber gum: New structure/function relationships for this potential beverage flavor stabilizer ()
Yadav, M.P., Johnston, D., Hicks, K.B. 2009. Corn fiber gum: New structure/function relationships for this potential beverage flavor stabilizer. Food Hydrocolloids Journal. 23:1488-1493.
Fractionation, characterization and study of emulsifying properties of corn fiber gum - (Peer Reviewed Journal)
Yadav, M.P., Parris, N., Johnston, D., Hicks, K.B. 2008. Fractionation, characterization and study of emulsifying properties of corn fiber gum. Journal of Agriculture and Food Chemistry. 56, p.4181-4187.
Angiotensin I Converting enzyme inhibitory peptides from commercial wet- and dry-milled corn germ - (Peer Reviewed Journal)
Parris, N., Moreau, R.A., Johnston, D., Dickey, L.C., Rotimi, A.E. 2008. Angiotensin I Converting enzyme inhibitory peptides from commercial wet- and dry-milled corn germ. Journal of Agricultural and Food Chemistry. 56(8):2620-2623.
Enhancing water removal from whole stillage by enzyme addition during fermentation - (Peer Reviewed Journal)
Henriquez, A., Johnston, D., Al-Dahhan, M. 2008. Enhancing water removal from whole stillage by enzyme addition during fermentation. Cereal Chemistry. 85(5):685-688.
Fiber separation from distillers dried grains with solubles using a larger elutriation apparatus and use of fiber as a feedstock for corn fiber gum production - (Peer Reviewed Journal)
Srinivasan, R., Yadav, M.P., Belyea, R.L., Rausch, K.D., Pruiett, L.E., Johnston, D., Tumbleson, M.E., Singh, V. 2008. Fiber separation from distillers dried grains with solubles using a larger elutriation apparatus and use of fiber as a feedstock for corn fiber gum production. Biological Engineering 1(1):p.39-49.
A comparison of the levels of lutein and zeaxanthin in corn germ oil, corn fiber oil and corn kernel oil - (Peer Reviewed Journal)
Moreau, R.A., Johnston, D., Hicks, K.B. 2007. A comparison of the levels of lutein and zeaxanthin in corn germ oil, corn fiber oil and corn kernel oil. Journal of the American Oil Chemists' Society 84:1039-1044.
A process for the aqueous enzymatic extraction of corn oil from dry-milled corn germ and enzymatic wet milled corn germ (E-Germ) - (Peer Reviewed Journal)
Moreau, R.A., Dickey, L.C., Johnston, D., Hicks, K.B. 2009. A process for the aqueous enzymatic extraction of corn oil from dry-milled corn germ and enzymatic wet milled corn germ (E-Germ). Journal of the American Oil Chemists' Society 86:p.469-474.
Engineering process and cost model for a conventional corn wet milling facility - (Peer Reviewed Journal)
Ramirez, E., Johnston, D., Mcaloon, A.J., Yee, W.C., Singh, V. 2008. Engineering process and cost model for a conventional corn wet milling facility. Industrial Crops and Products 27, p.91-97.
Characterization of corn fiber gums from coarse and fine fiber and a study of their emulsifying properties - (Peer Reviewed Journal)
Yadav, M.P., Johnston, D., Hicks, K.B. 2007. Characterization of corn fiber gums from coarse and fine fiber and a study of their emulsifying properties. Journal of Agriculture and Food Chemistry, 55,p.6366-6371.
Molecular characteristics of corn fiber gum and their influence on its emulsifying properties - (Peer Reviewed Journal)
Yadav, M.P., Fishman, M.L., Chau, H.K., Johnston, D., Hicks, K.B. 2007. Molecular characteristics of corn fiber gum and their influence on its emulsifying properties. Cereal Chemistry Vol. 84, No. 2, p.175-180.
AQUEOUS ENZYMATIC OIL EXTRACTION: A "GREEN" BIOPROCESS TO OBTAIN OIL FROM CORN GERM AND OTHER OIL-RICH PLANT MATERIALS ()
Moreau, R.A., Johnston, D., Dickey, L.C., Parris, N., Hicks, K.B. 2007. Aqueous enzymatic oil extraction: a "green" bioprocess to obtain oil from corn germ and other oil-rich plant materials, in "The industrial application of enzymes on carbohydrate based materials, ed by G. Eggleston and J. R. Vercellotti, American Oil Chemists' Society Press, pp 101-120. Book Chapter.
Comparison of raw starch hydrolyzing enzyme with conventional liquefaction and saccharification enzymes in dry-grind corn processing - (Peer Reviewed Journal)
Wang, P., Singh, V., Xue, H., Johnston, D., Rausch, K.D., Tumbleson, M.E. 2006. Comparison of raw starch hydrolyzing enzyme with conventional liquefaction and saccharification enzymes in dry-grind corn processing. Cereal Chemistry. 84(1):10-14.
MYCOTOXIN CONTROL DURING GRAIN PROCESSING. - (Proceedings)
CORN FIBER: A POTENTIAL GUM ARABIC REPLACER FOR BEVERAGE FLAVOR EMULSIFICATION - (Peer Reviewed Journal)
Yadav, M.P., Johnston, D., Hotchkiss, A.T., Hicks, K.B. 2007. Corn fiber: a potential gum arabic replacer for beverage flavor emulsification. Food Hydrocolloids 21, p.1022-1030.
EFFECT OF B VITAMIN AND LIPID SUPPLEMENTATION TO IMPROVE FERMENTATION CHARACTERISTICS OF THE MODIFIED DRY GRIND PROCESS - (Proceedings)
Ganti, M.S., Singh, V., Rausch, K., Johnston, D., Tumbleson, M.E. 2006. Effect of b vitamin and lipid supplementation to improve fermentation characteristics of the modified dry grind process. Proceedings of the American Society of Agricultural and Biological Engineers International (ASABE).Paper #066067.
MATHEMATICAL MODELING OF ENZYMATIC HYDROLYSIS OF STARCH: APPLICATION TO FUEL ETHANOL PRODUCTION - (Proceedings)
Murthy, G.S., Singh, V., Rausch, K., Johnston, D., Tumbleson, M.E. Mathematical modeling of enzymatic hydrolysis of starch: application to fuel ethanol production. 2006. Proceedings of the American Society of Agricultural and Biological Engineers International (ASABE)Paper #066229.
Effects of ground corn particle size on ethanol yield and thin stillage soluble solids - (Peer Reviewed Journal)
Naidu, K., Singh, V., Johnston, D., Rausch, K.D., Tumbleson, M.E. 2006.Effects of ground corn particle size on ethanol yield and thin stillage soluble solids. Cereal Chemistry, Vol. 84, No. 1, p.6-9.
ENZYMATIC CORN WET MILLING: RESULTS FROM A COMMERCIAL PLANT TRIAL - (Proceedings)
Johnston, D., Singh, V. 2007. Enzymatic corn wet milling: results from a commercial plant trial. Proceedings of the Corn Utilization and Technology Conference, June 5-7, 2006. Dallas, Texas.
CORN WET FRACTIONATION PRIOR TO FERMENTATION FOR RECOVERY OF VALUABLE CO-PRODUCTS - (Proceedings)
Hicks, K.B., Johnston, D., Moreau, R.A., Mcaloon, A.J., Ramirez, E.C., Singh, V. 2006. Corn wet fractionation prior to fermentation for recovery of valuable co-products. Proceedings of the Corn Utilization and Technology Conference, June 5-7, 2006 in Dallas, Texas.
PROTEIN DISTRIBUTION IN COMMERCIAL WET- AND DRY-MILLED CORN GERM - (Peer Reviewed Journal)
Parris, N., Moreau, R., Johnston, D. B., Singh, V. and Dickey, L.C., 2006. Protein Distribution in Commercial Wet- and Dry-Milled Corn Germ. Journal of Agricultural and Food Chemistry. 54:4868-4872.
MODELING THE PROCESS AND COSTS OF THE PRODUCTION OF FUEL ETHANOL BY THE CORN DRY-GRIND PROCESS - (Peer Reviewed Journal)
Kwiatkowski, J.R., Mcaloon, A.J., Taylor, F., Johnston, D. (2006)Modeling the process and costs of the production of fuel ethanol by the corn dry-grind process. Industrial Crops and Products. V.23, Issue 3, p.288-296.
PROTEIN DISTRIBUTION IN COMMERCIAL WET- AND DRY-MILLED CORN GERM - (Abstract Only)
Parris, N., Moreau, R.A., Johnston, D., Singh, V., Dickey, L.C. 2006.Protein distribution in commercial wet- and dry-milled corn germ. Presentation at the AOCS Annual meeting, April 30-May 4, 2006, St. Louis, MO., Protein and Co-Products Poster.
INFLUENCE OF MOISTURE CONTENT AND COOKING ON THE BENCH SCALE SCREW PRESSING OF CORN OIL ()
Moreau, R.A., Johnston, D., Hicks, K.B. Influence of moisture content and cooking on the bench scale screw pressing and pre-pressiing of corn oil from corn germ. Oil Mill Gazetteer 111:8-10 March 2006.
IMPROVEMENT IN FERMENTATION CHARACTERISTICS OF DEGERMED GROUND CORN BY LIPID SUPPLEMENTATION - (Peer Reviewed Journal)
Murthy, G., Singh, V., Johnston, D., Rausch, K.D., Tumbleson, M.E. 2006. Improvement in fermentation characteristics of degermed ground corn by lipid supplementation. 2006. Journal of Industrial Microbiology Biotechnology 33:655-660.
THE ROLE OF LIPID AND PROTEIN COMPONENTS IN THE EMULSIFICATION PROPERTIES OF GUM ARABIC AND CORN FIBER GUM - (Peer Reviewed Journal)
Yadav, M.P., Johnston, D., Hicks, K.B., Nothnagel, E.A. 2006. The role of lipid and protein components in the emulsification properties of gum arabic and corn fiber gum. Foods & Food Ingredients Journal of Japan. V.211, No. 3.p.243-254.
STRUCTURE/FUNCTION RELATIONSHIPS BETWEEN CORN KERNEL ARABINOXYLANS AND THEIR EMULSIFYING PROPERTIES - (Abstract Only)
Yadav, M.P., Johnston, D., Hicks, K.B. 2005. Structure/function relationships between corn kernel arabinoxylans and their emulsifying properties. Meeting Abstract #225. National Meeting and Exposition Program 229th ACS National Meeting, March 13-17, 2005. San Diego, CA.
A COMPARISON OF COMMERCIAL ENZYMES FOR THE AQUEOUS ENZYMATIC EXTRACTION OF CORN OIL FROM CORN GERM - (Peer Reviewed Journal)
Moreau, R.A., Johnston, D., Powell, M.J., Hicks, K.B. 2004. A comparison of commercial enzymes for the aqueous enzymatic extraction of corn oil from corn germ. Journal of the American Oil Chemists' Society, V.81, No. 11, p.1071-1075.
THE INFLUENCE OF MOISTURE CONTENT AND COOKING ON THE SCREW PRESSING AND PRE-PRESSING OF CORN OIL FROM CORN GERM - (Peer Reviewed Journal)
Moreau, R.A., Johnston, D., Hicks, K.B. 2005. The influence of moisture content and cooking on the screw pressing and pre-pressing of corn oil from corn germ. Journal of the American Oil Chemists' Society. Vol. 82, No. 11,p.851-854.
COMPARISON OF ENZYMATIC (E-MILL) AND CONVENTIONAL DRY-GRIND CORN PROCESSES USING A GRANULAR STARCH HYDROLYZING ENZYME - (Peer Reviewed Journal)
Wang, P., Singh, V., Xu, L., Johnston, D., Rausch, K.D., Tumbleson, M.E. 2005. Comparison of enzymatic (e-mill) and conventional dry-grind corn processes using a granular starch hydrolyzing enzyme. 2005. Cereal Chemistry.82(6):734-738.
COMPOSITION AND ECONOMIC COMPARISON OF GERM FRACTIONS DERIVED FROM MODIFIED CORN PROCESSING TECHNOLOGIES - (Peer Reviewed Journal)
Johnston, D., Mcaloon, A.J., Moreau, R.A., Hicks, K.B., Singh, V. Composition and economic comparison of germ fractions derived from modified corn processing technologies. 2005. Journal of the American Oil Chemists' Society.82, No. 8, p.603-608.
HULLESS BARLEY - A NEW FEEDSTOCK FOR FUEL ETHANOL? - (Proceedings)
Hicks, K.B., Flores, R.A., Taylor, F., Mcaloon, A.J., Moreau, R.A., Johnston, D., Senske, G.E., Brooks, W.S., Griffey, C.A. 2005. Hulless barley - a new feedstock for fuel ethanol?. Proceedings of the 15th Annual EPAC Ethanol lConference, Cody, WY. June 12-14.
THE ROLE OF PROTEIN AND LIPID COMPONENTS IN THE EMULSIFICATION PROPERTIES OF CORN FIBER GUM AND GUM ARABIC - (Abstract Only)
Yadav, M.P., Johnston, D., Hicks, K.B., Nothnagel, E.A. The role of protein and lipid components in the emulsification properties of corn fiber gum and gum arabic. Meeting Abstract, for the International Hydrocolloids Forum on June 27-28, 2005 at North East Wales Institute of Higher Education, Wrexham, North Wales, U.K. Paper #16, p.21.
PROCESSES FOR RECOVERY OF CORN GERM AND OPTIONALLY CORN COARSE FIBER (PERICARP) ()
Johnston, D., Singh, V. 2005. Processes for recovery of corn germ and optionally corn coarse fiber (pericarp). US Patent #6,899,910 B2. May 31, 2005.
BARLEY: A POTENTIAL FEEDSTOCK FOR FUEL ETHANOL IN THE U. S. - (Proceedings)
Hicks, K.B., Flores, R.A., Taylor, F., Mcaloon, A.J., Moreau, R.A., Johnston, D., Senske, G.E., Brooks, W.S., Griffey, C.A. 2005. Barley: a potential feedstock for fuel ethanol in the U. S.?. Proceedings of the Fourth International Starch Conference, Univ. of Illinois, Urbana, IL, June 5-8, p.25-29.
HYDROLYSIS AND FERMENTATION OF PERICARP AND ENDOSPERM FIBER RECOVERED FROM ENZYMATIC CORN DRY GRIND PROCESS - (Peer Reviewed Journal)
Dien, B.S., Johnston, D., Hicks, K.B., Cotta, M.A., Singh, V. 2005. Hydrolysis and fermentation of pericarp and endosperm fibers recovered from enzymatic corn dry-grind process. Cereal Chemistry. 82(5):616-620.
ENZYMATIC MILLING PRODUCT YIELD COMPARISON WITH REDUCED LEVELS OF BROMELAIN AND VARYING LEVELS OF SULFUR DIOXIDE - (Peer Reviewed Journal)
Johnston, D., Singh, V. Enzymatic milling product yield comparison with reduced levels of bromelain and varying levels of sulfur dioxide. 2005. Cereal Chemistry,V.82(5)p.523-527.
AQUEOUS ENZYMATIC EXTRACTION OF CORN OIL FROM CORN GERM - (Abstract Only)
Moreau, R.A., Powell, M.J., Johnston, D., Hicks, K.B. Aqueous enzymatic extraction of corn oil from corn germ. Meeting Abstract. 96th AOCS Anual Meeting & Expo., Salt Lake City, UT, May 1-5, 2005. Biotechnology Poster 1.
THE INFLUENCE OF MOISTURE CONTENT AND COOKING ON THE SCREW PRESSING OF CORN OIL FROM CORN GERM - (Abstract Only)
Moreau, R.A., Johnston, D., Dickey, L.C., Hicks, K.B. The influence of moisture content and cooking on the screw pressing of corn oil from corn germ. Meeting Abstract. 96th AOCS Annual Meeting & Expo. Salt Lake City, UT, May 1-5, 2005, Processing Poster 1.
STRUCTURE/FUNCTION RELATIONSHIPS BETWEEN CORN FIBER GUMS AND THEIR EMULSIFYING PROPERTIES - (Abstract Only)
Yadav, M.P., Johnston, D., Hicks, K.B., Nothnagel, E.A. 2005. Structure/function relationships between corn fiber gums and their emulsifying properties. Meeting Abstract, Univ. of California, Riverside, March 18, 2005.
REVIEW OF PROCESS FOR PRODUCING CORN FIBER OIL AND ETHANOL FROM "QUICK FIBER" ()
Dien, B.S., Nagle, N., Singh, V., Moreau, R.A., Tucker, M.P., Nichols, N.N., Johnston, D., Cotta, M.A., Hicks, K.B., Nguyen, Q., Bothast, R.J. 2005. Review of process for producing corn fiber oil and ethanol from "Quick Fiber." International Sugar Journal. 107(1275):187-191.
COMPARISON OF MODIFIED DRY-GRIND CORN PROCESSES FOR FERMENTATION CHARACTERISTICS AND DDGS COMPOSITION - (Peer Reviewed Journal)
Singh, V., Johnston, D., Naidu, K., Rausch, K.D., Belyea, R.L., Tumbleson, M.E. 2005. Comparison of modified dry-grind corn processes for fermentation characteristics and ddgs composition. Cereal Chemistry 82(2):187-190.
PARTICLE SIZE DISTRIBUTION OF GROUND CORN AND DDGS FROM DRY GRIND PROCESSING - (Peer Reviewed Journal)
Rausch, K.D., Belyea, R.L., Ellersieck, M.R., Singh, V., Johnston, D., Tumbleson, M.E., 2005. Particle size distribution of ground corn and ddgs from dry grind processing. American Society of Agricultural Engineers. V. 48(1):p.273-277.
A COMPARISON BETWEEN CONVERSION OF PERICARP AND ENDOSPERM FIBER FROM CORN INTO ETHANOL - (Proceedings)
Singh, V., Dien, B.S., Johnston, D., Hicks, K.B., Cotta, M.A. 2004. A comparison between conversion of pericarp and endosperm fiber from corn into ethanol. Proceedings of ASAE Annual International Meeting. p. 1-15.
COMPOSITION AND ECONOMIC COMPARISON OF GERM FRACTIONS DERIVED FROM MODIFIED CORN PROCESSING TECHNOLOGIES - (Abstract Only)
Johnston, D., Mcaloon, A.J., Moreau, R.A., Hicks, K.B., Singh, V. Composition and economic comparison of germ fractions derived from modified corn processing technologies. Meeting Abstract 2004. International Fuel Ethanol Workshop & Expo. Kansas City, MO, June 28-July 1. Track 3: Dry Mill Ethanol lPOroduction Modifications (1).
A TWO-LITER DRY GRIND LABORATORY PROCEDURE TO MEASURE SUGAR PROFILE AND ETHANOL YIELDS - (Abstract Only)
Naidu, K., Rausch, K.D., Johnston, D., Tumbleson, M.E., Singh, V. A two-liter dry grind laboratory procedure to measure sugar profile and ethanol yields. Proceedings of the Corn Utilization & Technology Conference, Indianapolis, IN., June 7-9, 2004. Poster Presentation CD Rom.
EFFECT OF MODIFIED DRY GRIND CORN PROCESSES ON FERMENTATION CHARACTERISTICS AND DDGS COMPOSITION - (Abstract Only)
Singh, V., Johnston, D., Naidu, K., Rausch, K.D., Belyea, R.L., Tumbleson, M.E. Effect of modified dry grind corn processes on fermentation characteristics and ddgs composition. Proceedings of the Corn Utilization & Technology Conference, Indianapolis, IN. June 7-9, 2004. Poster Presentation CD Rom.
COMPARISON OF DRY AND WET MILLING DEGERM AND DEFIBER PROCESSES FOR ETHANOL PRODUCTION - (Abstract Only)
Murthy, G.S., Johnston, D., Singh, V. Comparison of dry and wet milling degerm and defiber processes for ethanol production. Proceedings of the Corn Utilization & Technology Conference, Indianapolis, IN. June 7-9, 2004, Poster CD.
EFFECT OF EFFECT OF ENDOSPERM HARDNESS ON SUGAR PROFILES AND ETHANOL YIELDS IN DRY GRIND ETHANOL PROCESS - (Abstract Only)
Murthy, G.S., Rausch, K.D., Johnston, D., Tumbleson, M.E., Singh, V. Effect of effect of endosperm hardness on sugar profiles and ethanol yields in dry grind ethanol process. Proceedings of the Corn Utilization & Technology Conference, Indianapolis, IN. June 7-9, 2004. Poster CD.
CONVENTION CORN WET MILLING PROCESS AND COST MODELS - (Abstract Only)
Johnston, D., Yee, W.C., Singh, V., Mcaloon, A.J. Convention corn wet milling process and cost models. Proceedings of the Corn Utilization & Technology Conference. Indianapolis, IN., June 7-9, 2004. Poster Presentation CD Rom.
THE EFFECTS OF PROCESSING CHEMICALS ON CORN STARCH PASTING PROPERTIES - (Abstract Only)
Johnston, D., Thomas, J.L. The effects of processing chemicals on corn starch pasting properties. Proceedings of the Corn Utilization & Technology Conference, Indianapolis, IN., June 7-9, 2004. Poster Presentation CD Rom.
DEVELOPING BARLEY AS A MAJOR FEEDSTOCK FOR FUEL ETHANOL PRODUCTION - (Abstract Only)
Hicks, K.B., Taylor, F., Kohout, K.M., Kurantz, M.J., Thomas, J.L., O Brien, D.J., Johnston, D., Flores, R.A., Moreau, R.A., Hoot, L. Developing barley as a major feedstock for fuel ethanol production. Meeting Abstract 2004. International Fuel Ethanol Workshop & Trade Show. Madison, WI., June 22-25. Session 7: Feedstocks for Ethanol Production (1).
AQUEOUS ENZYMATIC EXTRACTION OF CORN OIL FROM CORN GERM - (Abstract Only)
Moreau, R.A., Johnston, D., Hicks, K.B. 2004. Aqueous enzymatic extraction of corn oil from corn germ. Meeting Abstract. Conference proceedings, Corn Utilization and Technology Conference, June 7-9, 2004, Indianapolis, IN., Poster 2
STARCH PRODUCTION FROM AN ENZYMATIC MAIZE WET MILLING PROCESS: ENZYME AND PROCESS OPTIMIZATION - (Abstract Only)
Johnston, D., Singh, V. Starch production from an enzymatic maize wet milling process: enzyme and process optimization. Meeting Abstract.55th Annual Starch Conference, Detmold Germany, April 20-24, 2004. Paper #3.1.
ENZYMATIC MAIZE MILLING PROCESS FOR DRY GRIND ETHANOL - (Abstract Only)
Singh, V., Johnston, D., Rausch, K.D. Enzymatic maize milling process for dry grind ethanol. Meeting Abstract. 55th Annual Starch Conference, Detmold Germany, April 20-24, 2004. Paper #3.6.
ISOLATION OF ZEINS FROM ENZYMATICALLY MILLED CORN - (Abstract Only)
Parris, N., Singh, V., Johnston, D. 2004. Isolation of zeins from enzymatically milled corn. Meeting Abstract. Corn Utilization & Technology Conference, June 7-9, 2004, Indianapolis, IN. p.41.
ENZYMATIC MILLING OF CORN: OPTIMIZATION OF ENZYMES ADDITION AND FIRST GRIND - (Peer Reviewed Journal)
Johnston, D., Singh, V. 2004. Enzymatic milling of corn: optimization of enzymes addition and first grind. Cereal Chemistry. Cereal Chemistry 81(5):p.626-632
FERMENTATION OF "QUICK FIBER" PRODUCED FROM A MODIFIED CORN MILLING PROCESS INTO ETHANOL AND RECOVERY OF CORN FIBER OIL - (Peer Reviewed Journal)
Dien, B.S., Nagle, N., Singh, V., Moreau, R.A., Nichols, N.N., Johnston, D., Cotta, M.A., Hicks, K.B., Nguyen, Q., Bothast, R.J. 2004. Fermentation of "quick fiber" produced from a modified corn milling process into ethanol and recovery of corn fiber oil. Journal of Applied Biochemistry and Biotechnology. 115:937-950.
USE OF ENZYMES TO REDUCE STEEP TIME AND SO2 REQUIREMENTS IN A MAIZE WET-MILLING PROCESS ()
Patent issued 05/20/2003. 115's not required at time patent application was done. Patent #6,566,125 B2.
RECOVERY OF NUTRACEUTICALS AND GUMS FROM CORN FIBER - (Proceedings)
Moreau, R.A., Hicks, K.B., Johnston, D., Singh, V. 2003. Recovery of nutraceuticals and gums from corn fiber. Proceedings in Third International Starch Technology Conference, University of Illinois, Urbana, p.2-9, 2003.
PRE-TREATMENT OF WET-MILLED CORN FIBER TO IMPROVE RECOVERY OF CORN FIBER OIL, AND PHYTOSTEROLS - (Peer Reviewed Journal)
Cereal Chem. 80:118-122, 2003
POTENTIAL NEW USES FOR CORN FIBER - (Proceedings)
Proceedings of the Corn Utilization & Technology Conference, June 3-5, 2002 (2002) pp.122-127. Published by the National Corn Growers Assoc. & Corn Refiners Assoc. Inc.
METHODOLOGIES FOR ASSAYING THE HYDROLYSIS OF CELLULOSE BY CELLULASES ()
Johnston, D. Methodologies for assaying the hydrolysis of cellulose by cellulases. Book Chapter in Handbook of Food Enzymology. Eds. Whitaker/voragen/wong. Chapter 61:p.761-770. 2003.
PASTING PROPERTIES AND SURFACE CHARACTERISTICS OF STARCH OBTAINED FROM AN ENZYMATIC CORN WET MILLING PROCESS - (Peer Reviewed Journal)
THE USE OF PROTEASES TO REDUCE STEEP TIME AND SO2 EMISSION IN A CORN WET- MILLING PROCESS - (Peer Reviewed Journal)
COMPARISON OF COARSE AND FINE CORN FIBER FOR CORN FIBER GUM YIELDS AND THEIR SUGAR PROFILES - (Peer Reviewed Journal)
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