Research Project: Commercial Products from Microbial Lipids

Location: Sustainable Biofuels and Co-products Research

Publications (Clicking on the reprint icon will take you to the publication reprint.)

Synthesis of a novel tannic acid-functionalized polypropylene as antioxidant active-packaging materials - (Peer Reviewed Journal)
Hazer, B., Ashby, R.D. 2020. Synthesis of a novel tannic acid-functionalized polypropylene as antioxidant active-packaging materials. Food Chemistry. https://doi.org/10.1016/j.foodchem.2020.128644.

Xylose utilization for polyhydroxyalkanoate biosynthesis - (Book / Chapter)
Ashby, R.D. 2020. Xylose utilization for polyhydroxyalkanoate biosynthesis. ACS Symposium Series 1373. Washington, DC: ACS Press. p. 125-143.

Environment-friendly treatment to reduce photoyellowing and improve UV-blocking of wool - (Peer Reviewed Journal)
Chen, N., Liu, C., Brown, E.M., Latona, N.P. 2020. Environment-friendly treatment to reduce photoyellowing and improve UV-blocking of wool. Polymer Degradation and Stability. https://doi.org/10.1016/j.polymdegradstab.2020.109319.

Soaps - (Book / Chapter)
Solaiman, D., Ashby, R.D., Erhan, S.Z. 2020. Soaps. In Shahidi, F. editor. Bailey's Industrial Oil and Fat Products. 7th Edition. Hoborken, NY: Wiley and Sons. 6, p. 41-56. https://doi.org/10.1002/047167849X.bio034.pub2.

Bioprocess for hydrolysis of galacto-oligosaccharides in soy molasses and tofu whey by recombinant pseudomonas chlororaphis - (Peer Reviewed Journal)
Solaiman, D., Ashby, R.D., Crocker, N.V. 2020. Bioprocess for hydrolysis of galacto-oligosaccharides in soy molasses and tofu whey by recombinant pseudomonas chlororaphis. Biocatalysis and Agricultural Biotechnology. 24:101529. https://doi.org/10.1016/j.bcab.2020.101529.

Biosynthesis and applications of microbial glycolipid biosurfactants - (Book / Chapter)
Ashby, R.D., Solaiman, D. 2020. Biosynthesis and applications of microbial glycolipid biosurfactants. ACS Symposium Series. Washington, DC: ACS Press. 1347, p. 63-82.

Low-temperature crystallization for separating monoacetylated long-chain sophorolipids: characterization of their surface-active and antimicrobial properties - (Peer Reviewed Journal)
Solaiman, D., Ashby, R.D., Nunez, A., Cross, N.V. 2020. Low-temperature crystallization for separating monoacetylated long-chain sophorolipids: characterization of their surface-active and antimicrobial properties. Journal of Surfactants and Detergents. 23:553-563. https://doi.org/10.1002/jsde.12396.

Autoxidized Oleic Acid Bifunctional Macro Peroxide Initiators for Free Radical and Condensation Polymerization. Synthesis and Characterization of Multiblock Copolymers - (Peer Reviewed Journal)
Hazer, B., Ayyildiz, E., Eren, M., Canbay, H., Ashby, R.D. 2019. Autoxidized oleic acid bifunctional macro peroxide initiators for free radical and condensation polymerization. Synthesis and characterization of multiblock copolymers. Journal of Polymers and the Environment. 27(11):2562-2576. https://doi.org/10.1007/s10924-019-01536-6.

Production and applications of sophorolipids. In: Hayes, D.G., Solaiman, D., and Ashby, R.D. (eds.). Biobased Surfactants: Synthesis, Properties, and Applications (Second Edition). - (Book / Chapter)
Roelants, S., Solaiman, D., Ashby, R.D., Lodens, S., Van Renterghem, L., Soetaert, W. 2019. Production and applications of sophorolipids. In: Hayes, D.G., Solaiman, D., and Ashby, R.D. (eds.). Biobased Surfactants: Synthesis, Properties, and Applications (Second Edition).. Book Chapter. AOCS Press and Elsevier, London, UK:65-119.

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.

Thermal stability and degradation kinetics of vegetable-tanned collagen fiber with in-situ precipitated calcium carbonate - (Peer Reviewed Journal)
Liu, J., Brown, E.M., Uknalis, J., Liu, C., Luo, L., Tang, K. 2018. Thermal stability and degradation kinetics of vegetable-tanned collagen fiber with in-situ precipitated calcium carbonate. Journal of American Leather Chemists Association. 113(11):358-370.

Levulinic acid: A valuable platform chemical for the fermentative synthesis of poly(hydroxyalkanoate) biopolymers. In: Cheng, H.N., Gross, R.A., and Smith, P.B. (eds.). Green Polymer Chemistry: New Products, Processes, and Ap - (Book / Chapter)
Ashby, R.D., Solaiman, D. 2018. Levulinic acid: A valuable platform chemical for the fermentative synthesis of poly(hydroxyalkanoate) biopolymers. In: Cheng, H.N., Gross, R.A., and Smith, P.B. (eds.). Green Polymer Chemistry: New Products, Processes, and Ap. Book Chapter. ACS Press, Washington DC, ACS Symposium Series 1310:339-354.

Microbial Lipids for Potential Tribological Applications – An Overview - (Book / Chapter)
Solaiman, D., Ashby, R.D., Biresaw, G. 2019. Microbial lipids for potential tribological applications – An overview. In: Biresaw G, and Mittal Kl, editors. Boca Raton, FL: Surfactants in Tribology, Volume 6. CRC Press. p. 57-72.

Sophorolipids: Unique microbial glycolipids with vast application potential. In: Banat, I.M. and Thavasi, R. (eds.). Microbial Biosurfactants and Their Environmental and Industrial Applications. - (Book / Chapter)
Ashby, R.D., Solaiman, D. 2019. Sophorolipids: Unique microbial glycolipids with vast application potential. In: Banat, I.M. and Thavasi, R.( eds.). CRS Press, Taylor & Francis Group, Boca Raton, Florida, pp.27-54.

Antimicrobial potential of sophorolipids for anti-acne, anti-dental caries, hide preservation and food safety applications - (Book / Chapter)
Ashby, R.D., Solaiman, D., Fan, X., Olanya, O.M. 2018. Antimicrobial potential of sophorolipids for anti-acne, anti-dental caries, hide preservation and food safety applications. In: Fan, X., Ngo, H., and Wu, C. (eds). Natural and Bio-based Antimicrobials for Food Application. ACS Symposium Series. 1287:193-208. https://doi.org/10.1021/bk-2018-1287.ch010.

Galacto-oligosaccharide hydrolysis by genetically-engineered alpha-galactosidase-producing Pseudomonas chlororaphis strains - (Peer Reviewed Journal)
Solaiman, D., Ashby, R.D., Aneja, K., Crocker, N.V., Liu, Y. 2017. Galacto-oligosaccharide hydrolysis by genetically-engineered alpha-galactosidase-producing Pseudomonas chlororaphis strains. Biocatalysis and Agricultural Biotechnology. 12:213-218. https://doi.org/10.1016/j.bcab.2017.12.008.

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)

Levulinic acid: a valuable platform chemical for fermentative syntheses - (Abstract Only)

Enhanced alpha-galactosidase expression in pseudomonas chlororaphis - (Abstract Only)

Sophorolipid biosurfactant against bacteria relevant to tooth caries and skin hygiene - (Abstract Only)

Characterization of growth inhibition of oral bacteria by sophorolipid using a microplate-format assay - (Peer Reviewed Journal)
Solaiman, D., Ashby, R.D., Uknalis, J. 2017. Characterization of growth inhibition of oral bacteria by sophorolipid using a microplate-format assay. Journal of Microbiological Methods. 136:21-29. doi: 10.1016/j.mimet.2017.02.012.

Corn stover hydrolysate, a lignocellulosic feedstock for polyhydroxyalkanoate biosynthesis: property manipulation using a co-feed strategy with levulinic acid - (Abstract Only)

17-hydroxy oleic acid as precursor for unsaturated and epoxy fatty acid estolides: application as plasticizers in poly(3-hydroxybutyrate) films - (Abstract Only)

Microbial biosurfactants with their high-value functional properties - (Abstract Only)

Genetic construction of recombinant Pseudomonas chlororaphis for improved glycerol utilization - (Peer Reviewed Journal)
Solaiman, D., Ashby, R.D., Crocker, N.V. 2016. Genetic construction of recombinant Pseudomonas chlororaphis for improved glycerol utilization. Biocatalysis and Agricultural Biotechnology. doi: 10.1016/j.bcab.2016.08.011.

Biosynthesis and derivatization of microbial glycolipids and their potential application in tribology - (Book / Chapter)
Solaiman, D., Ashby, R.D., Biresaw, G. 2017. Biosynthesis and derivatization of microbial glycolipids and their potential application in tribology. In: Biresaw, G., Mittal, K.L., editors. Surfactants in Tribology, Volume 5. Boca Raton, FL: CRC Press. p. 263-288.

Sophorolipid-derived unsaturated and epoxy fatty acid estolides as plasticizers for poly(3-hydroxybutyrate) - (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.