Research Projects

Current Projects

  • Studying the application of gas nanobubbles in improving yogurt quality, and longevity of yogurt starter (Lactobacillus bulgaricus and Streptococcus thermophilus) and probiotic (Bifidobacterium lactis and Lactobacillus acidophilus) bacteria
  • Addressing late blowing defect in WSU Cougar Gold cheese
  • Studying the application of gas nanobubbles in improving the efficacy of antimicrobial solutions against biofilms of various pathogens
  • Developing rapid identification technique for Escherichia coli [Big Seven Shiga toxin-producing Escherichia coli (STEC)], Salmonella, Staphylococcus aureus, and Listeria monocytogenes in milk and milk powders using hyperspectral imaging

Past Projects

  • Formulated wine sorbet recipes for a local Washington state ice cream company
  • Formulated ice cream recipes for a local Washington state farmer
  • Developed rapid identification technique for Escherichia coli and Listeria monocytogenes in milk and cheese using hyperspectral imaging
  • Developed an affordable, custom-designed hyperspectral imaging microscope system for rapid identification of bacterial cells
  • Studying the application of gas nanobubbles in improving the efficacy of antimicrobial solutions against Escherichia coli and Listeria monocytogenes on apple surfaces
  • Validated drying process of persimmon slices to control Salmonella
  • Determining survivability and thermal resistance of Listeria monocytogenes in dry and hydrated nonfat dry milk and whole milk powder during 180 days of storage
  • Determined survivability and thermal resistance of Salmonella in dry and hydrated nonfat dry milk and whole milk powder during 180 days of storage
  • Compared the decimal log reductions of Salmonella Senftenberg 775W with other Salmonella serovars in nonfat milk and powder
  • Studied the impact of gas nanobubbles on the efficacy of antimicrobial solutions against Escherichia coli and Listeria monocytogenes in growth media
  • Validated baking process of brownies to control Listeria monocytogenes and Salmonella
  • Validated drying process of cranberry pomace to control Listeria monocytogenes and Salmonella
  • Validated cooking process of hotcakes to control Listeria monocytogenes, Salmonella, and Staphylococcus aureus