selected publications academic article Kang, S., Zhao, Y., Liu, L., Peng, Z., Keon, H., Haque, M., Park, M. S., & Ku, S. (2024). Efficacy of grapefruit seed extract and lactic acid bacteria in reducing Clostridioides difficile infection via gut microbiota modulation. Food Bioscience. 62, 105299-105299. Haque, M. A., Nath, N. D., Johnston, T. V., Haruna, S., Ahn, J., Ovissipour, R., & Ku, S. (2024). Harnessing biotechnology for penicillin production: Opportunities and environmental considerations. Science of the Total Environment. 946, 174236-174236. Haque, A., Rogerson, L., Nath, N. D., Haruna, S., Ahn, J., Johnston, T. V., ... Ku, S. (2024). Sustainable management and valorization of antibiotic waste. CHEMICAL ENGINEERING JOURNAL. 498, 155372-155372. Haque, A., Ku, S., & Haruna, S. I. (2024). Soil thermal properties: influence of no-till cover crops. Canadian Journal of Soil Science. 104(3), 246-256. Ku, S., Haque, M. A., Jang, M. J., Ahn, J., Choe, D., Jeon, J. I., & Park, M. S. (2024). The role of Bifidobacterium in longevity and the future of probiotics. Food Science and Biotechnology. 33(9), 2097-2110. Kang, S., Xu, Y., Kang, Y., Rao, J., Xiang, F., Ku, S., ... Zhou, M. (2024). Metabolomic insights into the effect of chickpea protein hydrolysate on the freeze-thaw tolerance of industrial yeasts. Food Chemistry. 439, 138143-138143. Lieskamp, D. R., Moseley, A. M., Legrain, I., Kelly, C., Haque, A., Ku, S., & Haruna, S. I. (2024). Notill cover crop effects on the hydrophysical properties of a silt loam. Soil Science Society of America Journal. 88(3), 764-778. Kang, S., Long, J., Park, M. S., Ji, G. E., Ju, Y., & Ku, S. (2024). Investigating human-derived lactic acid bacteria for alcohol resistance. Microbial Cell Factories. 23(1), 118. Kim, Y. M., Kim, M., Jung, Y., Kim, J., Kim, J. S., Kim, D. H., ... Choe, D. (2024). Physicochemical and organoleptic properties of hot-air dried oriental melon slices prepared using different physical pretreatments. 31(2), 218-226. Jin, B., Woo, J., Lee, M., Ku, S., Moon, H. S., Ryu, S. J., ... Cho, Y. E. (2023). Optimization of the optical transparency of bones by PACT-based passive tissue clearing. Experimental & Molecular Medicine. 55(10), 2190-2204. Kang, S., Xu, Y., Zhang, Y., Gao, P., Guan, Y., Ku, S., ... Li, H. (2023). Modulation of gut microbiota by chickpea-derived proteins and peptides with antioxidant capabilities. Food Science & Technology. 187, 115341-115341. Jin, H., Park, J., Li, R., Ji, G. E., Johnston, T. V., Choe, D., ... Ku, S. (2023). A randomized, double-blind, controlled human study: The efficacy of exopolysaccharides in milk fermented by Weissella confusa VP30 (VP30-EPS) to ameliorate functional constipation. Journal of Functional Foods. 104, 105491-105491. Haruna, S. I., Ritchey, E., Mosley, C., & Ku, S. (2023). Effects of cover crops on soil hydraulic properties during commodity crop growing season. Soil Use and Management. 39(1), 218-231. Park, S., Lee, M., Yang, S. Y., Lee, J. Y., Lee, H. H., Seong, Y., ... Park, M. S. (2022). In vivo functional effects of Weissella confusa VP30 exopolysaccharides on loperamide-induced constipation in rats. Food Science and Biotechnology. 31(13), 1703-1715. Kim, H., Oh, N., Kwon, M., Kwon, O., Ku, S., Seo, J., & Roh, S. (2022). Exopolysaccharide of Enterococcus faecium L15 promotes the osteogenic differentiation of human dental pulp stem cells via p38 MAPK pathway. Stem Cell Research and Therapy. 13(1), 446. Kang, S., Lin, Z., Xu, Y., Park, M., Ji, G. E., Johnston, T. V., Ku, S., & Park, M. S. (2022). Arecombinant Bifidobacterium bifidum BGN4 strain expressing the streptococcal superoxide dismutase gene ameliorates inflammatory bowel disease. Microbial Cell Factories. 21(1), 113. Kang, S., You, H. J., Ju, Y., Kim, H. J., Jeong, Y. J., Johnston, T. V., ... Park, M. S. (2022). Butyl-fructooligosaccharides modulate gut microbiota in healthy mice and ameliorate ulcerative colitis in a DSS-induced model. Food and Function. 13(4), 1834-1845. Mann, S., Park, M. S., Johnston, T. V., Ji, G. E., Hwang, K. T., & Ku, S. (2021). Isolation, Characterization and Biosafety Evaluation of Lactobacillus Fermentum OK with Potential Oral Probiotic Properties. Probiotics and Antimicrobial Proteins. 13(5), 1363-1386. Mann, S., Park, M. S., Johnston, T. V., Ji, G. E., Hwang, K. T., & Ku, S. (2021). Oral probiotic activities and biosafety of Lactobacillus gasseri HHuMIN D. Microbial Cell Factories. 20(1), 75. Lin, Z., Ku, S., Lim, T., Park, S. Y., Park, M. S., Ji, G. E., O'Brien, K., & Hwang, K. T. (2021). Antioxidant and Anti-Inflammatory Properties of Recombinant Bifidobacterium bifidum BGN4 Expressing Antioxidant Enzymes. Microorganisms. 9(3), 595-595. Hong, N., Ku, S., Yuk, K., Johnston, T. V., Ji, G. E., & Park, M. S. (2021). Production of biologically active human interleukin-10 by Bifidobacterium bifidum BGN4. Microbial Cell Factories. 20(1), 16. Woo, J., Lee, E. Y., Lee, M., Ku, S., Park, J., & Cho, Y. E. (2021). Comparative Analyses of Clearing Efficacies of Tissue Clearing Protocols by Using a Punching Assisted Clarity Analysis. Frontiers in Bioengineering and Biotechnology. 9, 784626. Kim, K., Park, S., Kim, H., Min, S., Ku, S., Seo, J., & Roh, S. (2020). Enterococcus faecium L-15 Extract Enhances the Self-Renewal and Proliferation of Mouse Skin-Derived Precursor Cells. Probiotics and Antimicrobial Proteins. 12(4), 1492-1501. Ku, S., Yang, S., Lee, H. H., Choe, D., Johnston, T. V., Ji, G. E., & Park, M. S. (2020). Biosafety assessment of Bifidobacterium animalis subsp. lactis AD011 used for human consumption as a probiotic microorganism. FOOD CONTROL. 117, 106985-106985. Min, S., Kim, K., Ku, S., Park, J., Seo, J., & Roh, S. (2020). Newly synthesized peptide, Ara-27, exhibits significant improvement in cell-penetrating ability compared to conventional peptides. Biotechnology Progress. 36(5), e3014. Kang, S., Johnston, T. V., Ku, S., & Ji, G. E. (2020). Acute and sub-chronic (28-day) oral toxicity profiles of newly synthesized prebiotic butyl-fructooligosaccharide in ICR mouse and Wistar rat models. Toxicology Research. 9(4), 484-492. Choe, D., Song, S. M., Shin, C. S., Johnston, T. V., Ahn, H. J., Kim, D., & Ku, S. (2020). Production and Characterization of Anti-Inflammatory Monascus Pigment Derivatives. Foods. 9(7), 858-858. Choe, D., Jang, H., Jung, H. H., Shin, C. S., Johnston, T. V., Kim, D., & Ku, S. (2020). In vivo anti-obesity effects of Monascus pigment threonine derivative with enhanced hydrophilicity. Journal of Functional Foods. 67, 103849-103849. Woo, J., Seo, J., Lee, M., Kim, J., Min, S., Kim, S., Ku, S., & Park, J. (2020). A Modified Magnified Analysis of Proteome (MAP) Method for Super-Resolution Cell Imaging that Retains Fluorescence. Scientific Reports. 10(1), 4186. Ahn, H. J., You, H. J., Park, M. S., Li, Z., Choe, D., Johnston, T. V., Ku, S., & Ji, G. E. (2020). Microbial biocatalysis of quercetin-3-glucoside and isorhamnetin-3-glucoside in Salicornia herbacea and their contribution to improved anti-inflammatory activity. RSC Advances. 10(9), 5339-5350. Kang, S., You, H. J., Lee, Y., Jeong, Y., Johnston, T. V., Baek, N., Ku, S., & Ji, G. E. (2020). Production, Structural Characterization, and In Vitro Assessment of the Prebiotic Potential of Butyl-Fructooligosaccharides. International Journal of Molecular Sciences. 21(2), 445-445. Choe, D., Jung, H. H., Kim, D., Shin, C. S., Johnston, T. V., & Ku, S. (2020). In vivo evaluation of the anti-obesity effects of combinations of Monascus pigment derivatives. RSC Advances. 10(3), 1456-1462. Zuponcic, J., Bomrad, C., Ku, S., Foster, K., Ximenes, E., & Ladisch, M. R. (2019). Construction and operation of a multiplexed microfiltration device to facilitate rapid pathogen detection. Biotechnology Progress. 35(6), e2889. Ku, S., Ximenes, E., Kreke, T., Foster, K., Couetil, J. L., Zuponcic, J., ... Ladisch, M. R. (2019). Microbial enrichment and multiplexed microfiltration for accelerated detection of Salmonella in spinach. Biotechnology Progress. 35(6), e2874. Jin, H., Jeong, Y., Yoo, S., Johnston, T. V., Ku, S., & Ji, G. E. (2019). Isolation and characterization of high exopolysaccharide-producing Weissella confusa VP30 from young children's feces. Microbial Cell Factories. 18(1), 110. Han, Y. O., Jeong, Y., You, H. J., Ku, S., Ji, G. E., & Park, M. S. (2019). The Anti-Rotaviral Activity of Low Molecular Weight and Non-Proteinaceous Substance from Bifidobacterium longum BORI Cell Extract. Microorganisms. 7(4), 108-108. Lee, J. M., Oh, S. Y., Johnston, T. V., Ku, S., & Ji, G. E. (2019). Biocatalysis of Fucodian in Undaria pinnatifida Sporophyll Using Bifidobacterium longum RD47 for Production of Prebiotic Fucosylated Oligosaccharide. Marine Drugs. 17(2), 117-117. Kim, H., Park, S., Kim, K., Ku, S., Seo, J., & Roh, S. (2019). Enterococcus faecium L-15 Cell-Free Extract Improves the Chondrogenic Differentiation of Human Dental Pulp Stem Cells. International Journal of Molecular Sciences. 20(3), 624-624. Jeong, Y., Ku, S., You, H. J., & Ji, G. E. (2019). A stereo-selective growth inhibition profile of ginsenoside Rh2 on human colon cancer cells. CYTA - Journal of Food. 17(1), 488-493. Jin, W., Yoon, C., Johnston, T. V., Ku, S., & Ji, G. E. (2018). Production of Selenomethionine-Enriched Bifidobacterium bifidum BGN4 via Sodium Selenite Biocatalysis. Molecules. 23(11), 2860-2860. Ahn, H. J., You, H. J., Park, M. S., Johnston, T. V., Ku, S., & Ji, G. E. (2018). Biocatalysis of Platycoside E and Platycodin D3 Using Fungal Extracellular -Glucosidase Responsible for Rapid Platycodin D Production. International Journal of Molecular Sciences. 19(9), 2671-2671. Hoagland, L., Ximenes, E., Ku, S., & Ladisch, M. (2018). Foodborne pathogens in horticultural production systems: Ecology and mitigation. Scientia Horticulturae. 236, 192-206. Kim, M. J., Ku, S., Kim, S. Y., Lee, H. H., Jin, H., Kang, S., ... Ji, G. E. (2018). Safety Evaluations of Bifidobacterium bifidum BGN4 and Bifidobacterium longum BORI. International Journal of Molecular Sciences. 19(5), 1422-1422. Kim, D., & Ku, S. (2018). Bacillus Cellulase Molecular Cloning, Expression, and Surface Display on the Outer Membrane of Escherichia coli. Molecules. 23(2), 503-503. Cho, I., Lee, J., Kim, J., Kang, M., Paik, J. K., Ku, S., ... Kim, D. (2018). Current Technologies of Electrochemical Immunosensors: Perspective on Signal Amplification. Sensors. 18(1), 207-207. Kim, D., & Ku, S. (2018). Beneficial Effects of Monascus sp. KCCM 10093 Pigments and Derivatives: A Mini Review. Molecules. 23(1), 98-98. Li, Y., Ku, S., Park, M. S., Li, Z., & Ji, G. E. (2017). Acceleration of Aglycone Isoflavone and -Aminobutyric Acid Production from Doenjang Using Whole-Cell Biocatalysis Accompanied by Protease Treatment. Journal of Microbiology and Biotechnology. 27(11), 1952-1960. Chen, X., Ku, S., Weibel, J. A., Ximenes, E., Liu, X., Ladisch, M., & Garimella, S. V. (2017). Enhanced Antimicrobial Efficacy of Bimetallic Porous CuO Microspheres Decorated with Ag Nanoparticles. ACS Applied Materials & Interfaces. 9(45), 39165-39173. Cho, I., & Ku, S. (2017). Current Technical Approaches for the Early Detection of Foodborne Pathogens: Challenges and Opportunities. International Journal of Molecular Sciences. 18(10), 2078-2078. Park, M. S., Kwon, B., Ku, S., & Ji, G. E. (2017). The Efficacy of Bifidobacterium longum BORI and Lactobacillus acidophilus AD031 Probiotic Treatment in Infants with Rotavirus Infection. Nutrients. 9(8), 887-887. Ximenes, E., Hoagland, L., Ku, S., Li, X., & Ladisch, M. (2017). Human pathogens in plant biofilms: Formation, physiology, and detection. Biotechnology and Bioengineering. 114(7), 1403-1418. Ku, S., Kreke, T., Ximenes, E., Foster, K., Liu, X., Gilpin, C. J., & Ladisch, M. R. (2017). Protein particulate retention and microorganism recovery for rapid detection of Salmonella. Biotechnology Progress. 33(3), 687-695. Ku, S., Ximenes, E., Kreke, T., Foster, K., Deering, A. J., & Ladisch, M. R. (2016). Microfiltration of enzyme treated egg whites for accelerated detection of viable Salmonella. Biotechnology Progress. 32(6), 1464-1471. Ku, S., Park, M. S., Ji, G. E., & You, H. J. (2016). Review on Bifidobacterium bifidum BGN4: Functionality and Nutraceutical Applications as a Probiotic Microorganism. International Journal of Molecular Sciences. 17(9), 1544-1544. Ku, S., You, H. J., Park, M. S., & Ji, G. E. (2016). Whole-Cell Biocatalysis for Producing Ginsenoside Rd from Rb1 Using Lactobacillus rhamnosus GG. Journal of Microbiology and Biotechnology. 26(7), 1206-1215. Ku, S. (2016). Finding and Producing Probiotic Glycosylases for the Biocatalysis of Ginsenosides: A Mini Review. Molecules. 21(5), 645-645. Ku, S., You, H. J., Park, M. S., & Ji, G. E. (2015). Effects of ascorbic acid on -l-arabinofuranosidase and -l-arabinopyranosidase activities from Bifidobacterium longum RD47 and its application to whole cell bioconversion of ginsenoside. Journal of the Korean Society for Applied Biological Chemistry. 58(6), 857-865. Vibbert, H. B., Ku, S., Li, X., Liu, X., Ximenes, E., Kreke, T., ... Gehring, A. G. (2015). Accelerating sample preparation through enzyme-assisted microfiltration of Salmonella in chicken extract. Biotechnology Progress. 31(6), 1551-1562. Ku, S., Zheng, H., Park, M. S., & Ji, G. E. (2011). Optimization of -glucuronidase activity from Lactobacillus delbrueckii Rh2 and and its use for biotransformation of baicalin and wogonoside. Applied Biological Chemistry. 54(2), 275-280. Ku, S., You, H. J., & Ji, G. E. (2009). Enhancement of Anti-tumorigenic Polysaccharide Production, Adhesion, and Branch Formation of Bifidobacterium bifidum BGN4 by Phytic Acid. Food Science and Biotechnology. 18(3), 749-754. K, S., & X, E. Salmonella in Shell Eggs: Mechanisms, Prevention and Detection. 2016(01), chapter Ximenes, E., Ku, S., Hoagland, L., & Ladisch, M. R. (2019). Accelerated Sample Preparation for Fast Salmonella Detection in Poultry Products. Methods in molecular biology (Clifton, N.J.). Foodborne Bacterial Pathogens. (pp. 3-20). Springer Nature. institutional repository document Mann, S., Park, M. S., Johnston, T. V., Ji, G. E., Hwang, K. T., & Ku, S. (2021). Oral Probiotic Activities and Biosafety of Lactobacillus gasseri HHuMIN D patent Ladisch, M. R., de Aquino Ximines, E., Ku, S., Foster, K. S., Kreke, T. R., Liu, X., ... Tungare, A. (2017). Rapid concentration, recovery and detection of pathogens in food samples Ji, G. E., Ku, S., & Park, M. S. (2011). Culture medium containing phytic acid for cultivation of Bifidobacterium bifidum BGN4 and method for production of Bifidobacterium bifidum BGN4 polysaccharide using the medium Park, J., Kim, H., Lee, S., Um, S., Kwon, J., Lee, J., ... Lee, S. (2009). Food Package
teaching activities FSTC281 Intro Fermentation & Brewing Instructor FSTC491 Hnr-research Instructor FSTC491 Research Instructor FSTC691 Research Instructor
education and training Ph.D. in Agricultural and Biological Engineering, Purdue University - (West Lafayette, Indiana, United States) 2015 M.S. in Food and Nutrition, Seoul National University - (Seoul, South Korea) 2009 B.S. in Molecular Biology; Food and Nutrition (double major), Catholic University of Korea - (Seoul, South Korea) 2007
awards and honors The Distinguished Research Award, conferred by Middle Tennessee State University - (Murfreesboro, Tennessee, United States), 2022