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Tong Zhao

Associate Research Scientist
  • Center for Food Safety

Description of Research Interests

  • Development of probiotic/competitive exclusion bacteria to reduce/eliminate carriage of E. coli O157:H7 by cattle and prevalence of L. monocytogenes in processing plants
  • Ecology and reduction of carriage of Escherichia coli O157:H7 in cattle
  • Detection and characterization of bacterial pathogens in food including E. coli O157:H7. Salmonella, Listeria monocytogenes, Campylobacter, Yersinia pestis, and Mycobacterium.

Patents

Doyle, M.P. and T. Zhao. August 18, 2009. Composition and method for inhibition of microorganisms. U.S.A. Patent # 7,575,744.

Doyle, M.P. and T. Zhao. March 17, 2009. Composition and method for inhibition of microorganisms. European Patent Office # P713476EPPCT/DE.

Doyle, M. P., T. Zhao, B. G. Harmon, and C. A. Brown. November 5, 2003. Control of enterohemorrhagic E. coli O157:H7 in cattle by probiotic bacteria. China Patent No. ZL 98808111.3.

Doyle, M. P., T. Zhao, B. G. Harmon, and C. A. Brown. January 10, 2002. Control of enterohemorrhagic E. coli O157:H7 in cattle by probiotic bacteria. New Zealand Patent No. 502420.

Doyle, M. P., T. Zhao, B. G. Harmon, and C. A. Brown. October 12, 1999. Control of enterohemorrhagic E. coli O157:H7 in cattle by probiotic bacteria. U.S.A. Patent #5,965,128.

Selected Recent Publications

Zhao, T., T. Podtburg, P. Zhao, D. Chen, D.A. Baker, B. Cords, and M.P. Doyle. 2013. Reduction by competitive bacteria of Listeria monocytogenes in biofilms and Listeria sp. in floor drains in a ready-to-eat poultry processing plant. J. Food Prot. 76:601-607.

Zhao, T., P. Zhao, and M.P. Doyle. 2012. Detection and isolation of Yersinia pestis without fraction-1 antigen by monoclonal antibody in foods and water. J. Food Prot. 75:1555-1561.

Cannon, J.L., A. Aydin, A.N. Mann, S.L. Bolton, T. Zhao, and M.P. Doyle. 2012. Efficacy of a levulinic acid plus sodium dodecyl sulfate-based sanitizer on inactivation of human norovirus surrogates.  J. Food Prot. 75:1532-1535.

Wang, B. Y., J. Hong, S. G. Ciancio, T. Zhao, and M. P. Doyle. 2012.  A novel formulation effective in killing oral biofilm bacteria. J. Int. Acad. Periodontology. 14:56-61.

Zhao, T., P. Zhao, J.L. Cannon, and M.P. Doyle. 2011. Inactivation of Salmonella in biofilms and on chicken cages and preharvest poultry by levulinic acid and sodium dodecyl sulfate.  J. Food Prot. 74:2024-2030.

Zhao, T., P. Zhao, and M.P. Doyle. 2010. Inactivation of Escherichia coli O157:H7 and Salmonella Typhimurium DT104 on alfalfa seeds by levulinic acid and sodium dodecyl sulfate. J. Food Prot. 73:2010-2017.

Zhao, T., P. Zhao, and M.P. Doyle. 2009. Inactivation of Salmonella and Escherichia coli O157:H7 on lettuce and poultry skin by combinations of levulinic acid and sodium dodecyl sulfate. J. Food Prot. 72:928-936.