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ARS Home » People & Locations » Gary Strahan

Gary Strahan (PhD)
Office of The Director
Research Chemist

Phone: (215) 233-6775
Fax: (215) 233-6581
Room 0004

600 E. MERMAID LANE
ERRC
WYNDMOOR, PA 190388598

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Influence of methylation on the effectiveness of meat and bone meal protein as a bioflocculant Reprint Icon - (Peer Reviewed Journal)
Essandoh, M., Garcia, R.A., Neiman, C., Strahan, G.D. 2020. Influence of methylation on the effectiveness of meat and bone meal protein as a bioflocculant. Journal of Agricultural and Food Chemistry. 122:55-61. https://doi.org/10.1016/j.fbp.2020.03.009.
Characterization of two types of polysaccharides from Eremurus hissaricus roots growing in Tajikistan Reprint Icon - (Peer Reviewed Journal)
Muhidinov, Z.K., Bobokalonov, J.T., Ismoilov, I.B., Strahan, G.D., Chau, H.K., Hotchkiss, A.T., Liu, L.S. 2020. Characterization of two types of polysaccharides from Eremurus hissaricus roots growing in Tajikistan. Food Hydrocolloids. 205. https://doi.org/10.1016/j.foodhyd.2020.105768.
An advanced process for producing structurally selective dimer acids to meet new industrial uses Reprint Icon - (Peer Reviewed Journal)
Zhang, J., Nunez, A., Strahan, G.D., Ashby, R.D., Huang, K., Moreau, R.A., Yan, Z., Chen, L., Lew, H.N. 2020. An advanced process for producing structurally selective dimer acids to meet new industrial uses. Industrial Crops and Products. https://doi.org/10.1016/j.indcrop.2020.112132.
Hydrocarbons extracted from advanced pyrolysis bio-oils: characterization and refining Reprint Icon - (Peer Reviewed Journal)
Elkasabi, Y.M., Wyatt, V.T., Jones, K.C., Strahan, G.D., Mullen, C.A., Boateng, A.A. 2020. Hydrocarbons extracted from advanced pyrolysis bio-oils: characterization and refining. Energy and Fuels. 34(1):483-490. https://doi.org/10.1021/acs.energyfuels.9b03189.
Characterization of biomass pyrolysis oils by diffusion ordered nmr spectroscopy Reprint Icon - (Peer Reviewed Journal)
Mullen, C.A., Strahan, G.D., Boateng, A.A. 2019. Characterization of biomass pyrolysis oils by diffusion ordered nmr spectroscopy. ACS Sustainable Chemistry & Engineering. 7:19951-19960. https://doi.org/10.1021/acssuschemeng.9b05520.
Deoxygenation of biomass pyrolysis vapors via in situ and ex situ thermal and biochar promoted upgrading Reprint Icon - (Peer Reviewed Journal)
Raymundo, L.M., Mullen, C.A., Strahan, G.D., Boateng, A.A., Trierweller, J.O. 2019. Deoxygenation of biomass pyrolysis vapors via in situ and ex situ thermal and biochar promoted upgrading. Energy and Fuels. 33:2197-2207. https://doi.org/10.1021/acs.energyfuels.8b03281.
The use of Azohydromonas lata DSM 1122 to produce 4-hydroxyvalerate-containing polyhydroxyalkanoate terpolymers, and unique polymer blends from mixed-cultures with Burkholderia sacchari DSM 17165 - (Peer Reviewed Journal)
Ashby, R.D., Solaiman, D., Strahan, G.D. 2019. The use of Azohydromonas lata DSM 1122 to produce 4-hydroxyvalerate-containing polyhydroxyalkanoate terpolymers, and unique polymer blends from mixed-cultures with Burkholderia sacchari DSM 17165. Journal of Polymers and the Environment. 27:198-209.
Nutrient demand and fungal access to resources control the carbon allocation to the symbiotic partners in tripartite interactions of Medicago truncatula Reprint Icon - (Peer Reviewed Journal)
Kafle, A., Garcia, K., Wang, X., Pfeffer, P., Strahan, G.D., Bucking, H. 2018. Nutrient demand and fungal access to resources control the carbon allocation to the symbiotic partners in tripartite interactions of Medicago truncatula. Plant Cell and Environment. 42:270-284. https://doi.org/10.1111/pce.13359.
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)
Bio-oil hydrodeoxygenation catalysts produced using strong electrostatic adsorption - (Peer Reviewed Journal)
Elkasabi, Y.M., Liu, Q., Choi, Y., Strahan, G.D., Boateng, A.A., Regalbuto, J.R. 2017. Bio-oil hydrodeoxygenation catalysts produced using strong electrostatic adsorption. Fuel. 207:510-521.
Corn stover hydrolysate, a lignocellulosic feedstock for polyhydroxyalkanoate biosynthesis: property manipulation using a co-feed strategy with levulinic acid - (Abstract Only)
Depolymerization of lignin via co-pyrolysis with 1,4-butanediol in a microwave reactor Reprint Icon - (Peer Reviewed Journal)
Tarves, P.C., Mullen, C.A., Strahan, G.D., Boateng, A.A. 2016. Depolymerization of lignin via co-pyrolysis with 1,4-butanediol in a microwave reactor. ACS Sustainable Chemistry & Engineering. 5: 988-994.
Methylation of hemoglobin to enhance flocculant performance - (Peer Reviewed Journal)
Essandoh, M., Garcia, R.A., Strahan, G.D. 2017. Methylation of hemoglobin to enhance flocculant performance. Journal of Chemical Technology & Biotechnology. doi: 10.1002/jctb.5197.
The enxymatic synthesis and characterization of disolketal iminodiacetic acid (DSIDA) - (Peer Reviewed Journal)
Prediction of properties and elemental composition of biomass pyrolysis oils by NMR and partial least squares analysis - (Peer Reviewed Journal)
Strahan, G.D., Mullen, C.A., Boateng, A.A. 2016. Prediction of properties and elemental composition of biomass pyrolysis oils by NMR and partial least squares analysis. Energy and Fuels. 30:423-433.
Sophorolipid-derived unsaturated and epoxy fatty acid estolides as plasticizers for poly(3-hydroxybutyrate) Reprint Icon - (Peer Reviewed Journal)
Ashby, R.D., Solaiman, D., Liu, C., Strahan, G.D., Latona, N.P. 2015. Sophorolipid-derived unsaturated and epoxy fatty acid estolides as plasticizers for poly(3-hydroxybutyrate). Journal of the American Oil Chemists' Society. 93:347-358. doi: 10.1007/s11746-015-2772-7.
Structure of pectic polysaccharides from sunflower salts-soluble fraction - (Peer Reviewed Journal)
Jonmurodov, A.S., Teshaev, K.I., Kholov, S.E., Usmanova, S.R., Muhidinov, Z.K., Strahan, G.D., Liu, L.S. 2015. Structure of pectic polysaccharides from sunflower salts-soluble fraction. Reports of Tajikistan Academy of Sciences. 58(4):319-325.
Cranberry xyloglucan structure and inhibition of Escherichia coli adhesion to epithelial cells Reprint Icon - (Peer Reviewed Journal)
Hotchkiss, A.T., Nunez, A., Strahan, G.D., Chau, H.K., White, A.K., Marais, J.P., Hom, K., Vakkalanka, M.S., Di, R., Yam, K., Khoo, C. 2015. Cranberry xyloglucan structure and inhibition of Escherichia coli adhesion to epithelial cells. Journal of Agricultural and Food Chemistry. 63:5622-5633. DOI: 10.1021/acs.jafc.5b00730.2015.
Methanol-induced chain termination in poly(3-hydroxybutyrate) biopolymers: molecular weight control Reprint Icon - (Peer Reviewed Journal)
Ashby, R.D., Solaiman, D., Strahan, G.D., Levine, A., Nomura, C. 2014. Methanol-induced chain termination in poly(3-hydroxybutyrate) biopolymers: molecular weight control. International Journal of Biological Macromolecules. 74:195-201. DOI: 10.1016/j.ijbiomac.2014.12.026.
Fungal nutrient allocation in common mycorrhizal networks is regulated by the carbon source strength of individual host plants Reprint Icon - (Peer Reviewed Journal)
Felllbaum, C.R., Mensah, J.A., Cloos, A.J., Strahan, G.D., Pfeffer, P., Kiers, T., Bucking, H. 2014. Fungal nutrient allocation in common mycorrhizal networks is regulated by the carbon source strength of individual host plants. New Phytologist. DOI:10.1111/nph.12827.
Esterification and Transesterification of greases to fatty acid methyl esters with highly active diphenylamine salts - (Peer Reviewed Journal)
Ngo, H., Vanselous, H.N., Strahan, G.D., Haas, M.J. 2013. Esterification and Transesterification of greases to fatty acid methyl esters with highly active diphenylamine salts. Journal of the American Oil Chemists' Society. 90:563-570.
Glycerine and levulinic acid: renewable co-substrates for the fermentative synthesis of short-chain poly(hydroxyalkanoate) biopolymers Reprint Icon - (Peer Reviewed Journal)
Ashby, R.D., Solaiman, D., Strahan, G.D., Zhu, C., Tappel, R.C., Nomura, C.T. 2012. Glycerine and levulinic acid: renewable co-substrates for the fermentative synthesis of short-chain poly(hydroxyalkanoate) biopolymers. Bioresource Technology. 118:272-280.
Degree of branching in hyperbranched poly(glycerol-co-diacid)s synthesized in toluene - (Peer Reviewed Journal)
Wyatt, V.T., Strahan, G.D. 2012. Degree of branching in hyperbranched poly(glycerol-co-diacid)s synthesized in toluene. Polymers Journal. 4(1):396-407.
Esterification and transesterification of greases to fatty acid methyl esters with highly active diphanylammonium salts - (Abstract Only)
Carbon availability for the fungus triggers nitrogen uptake and transport in the arbuscular mycorrhizal symbiosis - (Peer Reviewed Journal)
Fellbaum, C., Gachomo, E.W., Beesetty, Y., Choudhari, S., Strahan, G.D., Pfeffer, P., Kiers, T., Bucking, H. 2012. Carbon availability for the fungus triggers nitrogen uptake and transport in the arbuscular mycorrhizal symbiosis. Proceedings of the National Academy of Sciences. Available: http://www.pnas.org/content/early/2012/01/27/1118650109.full.pdf+html.
Characterizing biomass fast pyrolysis oils by 13C-NMR and chemometric analysis - (Peer Reviewed Journal)
Strahan, G.D., Mullen, C.A., Boateng, A.A. 2011. Characterizing biomass fast pyrolysis oils by 13C-NMR and chemometric analysis. Energy and Fuels. 25:5452-5461.
Weighted correlation network analysis (WGCNA) applied to the tomato fruit metabolome - (Peer Reviewed Journal)
Dileo, M., Strahan, G.D., Hoekenga, O. 2011. Weighted correlation network analysis (WGCNA) applied to the tomato fruit metabolome. PLoS One. 6(10):e26683. DOI: 10.1371/journal.pone.0026683.
Contribution of plant lignin to the soil organic matter formation and stabilization - (Abstract Only)
Identification of some diterpenoids and hydroxy fatty acids from carrot root cell walls that stimulate the presymbiotic hyphal growth of AM fungi - (Abstract Only)
Strahan, G.D., Nagahashi, G., Douds, D.D. 2011. Identification of some diterpenoids and hydroxy fatty acids from carrot root cell walls that stimulate the presymbiotic hyphal growth of AM fungi. Biophysical Society. 1:1.
Characterization of thermal and mechanical properties of opligo(glycerol-glutaric acid)s - (Peer Reviewed Journal)
Wyatt, V.T., Strahan, G.D., Nunez, A., Haas, M.J. 2011. Characterization of thermal and mechanical properties of oligo(glycerol-glutaric acid)s. Journal of Biobased Materials and Bioenergy. 5(1):92-101.
Fomation of corn fiber gum-milk protein conjugates and their molecular characterization - (Peer Reviewed Journal)
Yadav, M.P., Strahan, G.D., Mukhopadhyay, S., Hotchkiss, A.T., Hicks, K.B. 2011. Fomation of corn fiber gum-milk protein conjugates and their molecular characterization. Food Hydrocolloids Journal. 26:326-333.
Efficient utilization of crude glycerol as fermentation substrate in the synthesis of poly(3-hydroxybutyrate) biopolymers - (Peer Reviewed Journal)
Ashby, R.D., Solaiman, D., Strahan, G.D. 2011. Efficient utilization of crude glycerol as fermentation substrate in the synthesis of poly(3-hydroxybutyrate) biopolymers. Journal of the American Oil Chemists' Society. 88:949-959.
The Lewis acid catalyzed synthesis of hyperbranched Oligo(glycerol-diacid)s in aprotic polar media - (Peer Reviewed Journal)
Wyatt, V.T., Nunez, A., Strahan, G.D. 2010. The Lewis acid catalyzed synthesis of hyperbranched Oligo(glycerol-diacid)s in aprotic polar media. Journal of the American Oil Chemists' Society. 87:1359-1369.
Polysaccharides isolated from sugar beet pulp by quaternization under acidic conditions - (Peer Reviewed Journal)
Simkovic, I., Strahan, G.D., Yadav, M.P., Mendichi, R. 2010. Polysaccharides isolated from sugar beet pulp by quaternization under acidic conditions. Carbohydrate Polymers, 82:815-821.
Conversion of methyl oleate to branched-chain hydroxy fatty acid derivatives - (Peer Reviewed Journal)
Dailey Jr, O.D., Prevost, N.T., Strahan, G.D. 2009. Conversion of methyl oleate to branched-chain hydroxy fatty acid derivatives. Journal of the American Oil Chemists' Society. 86:1101-1114.
Clickable Lipids: Azido and Alkynyl Fatty Acids and Triacylglycerols - (Peer Reviewed Journal)
Zerkowski, J.A., Nunez, A., Strahan, G.D., Solaiman, D. 2009. Clickable Lipids: Azido and Alkynyl Fatty Acids and Triacylglycerols. Journal of the American Oil Chemists' Society. 86(11):1115-1121.
Methyl-branched poly(hydroxyalkanoate) biosynthesis from 13- methyltetradecanoic acid and mixed isostearic acid isomer substrates - (Peer Reviewed Journal)
Ashby, R.D., Ngo, H., Solaiman, D., Strahan, G.D. 2009. Methyl-branched poly(hydroxyalkanoate) biosynthesis from 13- methyltetradecanoic acid and mixed isostearic acid isomer substrates. Applied Microbiology and Biotechnology. 85:359-370.
Fractionation of sugar beet pulp by introducing ion-exchange groups - (Peer Reviewed Journal)
Simkovic, I., Nunez, A., Strahan, G.D., Yadav, M.P., Chau, H.K., Meddichi, R., Hicks, K.B. 2009. Fractionation of sugar beet pulp by introducing ion-exchange groups. Carbohydrate Polymers. 78:806-812.
Characterization of various fast pyrolysis bio-oils by NMR spectroscopy - (Peer Reviewed Journal)
Mullen, C.A., Strahan, G.D., Boateng, A.A. 2009. Characterization of various fast pyrolysis bio-oils by NMR spectroscopy. Energy and Fuels. 23:2707-2718.
SYNTHESIS AND CHARACTERIZATION OF BRANCHED-CHAIN DERIVATIVES OF METHYL OLEATE - (Peer Reviewed Journal)
Dailey Jr, O.D., Prevost, N.T., Strahan, G.D. 2008. Synthesis and characterization of branched-chain derivatives of methyl oleate. Clean (Soil Air Water). 36(8):687-693.
Synthesis and Structural Analysis of Branched-Chain Derivatives of Methyl Oleate - (Peer Reviewed Journal)
Dailey Jr, O.D., Prevost, N.T., Strahan, Gary D. 2008. Synthesis of branched-chain derivatives of methyl oleate. Journal of the American Oil Chemists' Society. 85:647-653.
Synthesis and Characterization of Canola Oil-Stearic Acid-Based Trans-Free Structured Lipids for Possible Margarine Application - (Peer Reviewed Journal)
Lumor, S.E., Jones, K.C., Ashby, R.D., Strahan, G.D., Kim, B., Lee, G., Shaw, J., Kays, S.E., Chang, S., Foglia, T.A., Akoh, C.C. 2007. Synthesis and Characterization of Canola Oil-Stearic Acid-Based Trans-Free Structured Lipids for Possible Margarine Application. Journal of Agricultural and Food Chemistry. 55(26):10692-10702.
Synthesis and Characterization of Canola Oil-Stearic Acid-Based Trans-Free Structured Lipids for Possible Margarine Application - (Peer Reviewed Journal)