Jee‐Hoon Ryu

ORCID: 0000-0001-6897-3229
Publications
Citations
Views
---
Saved
---
About
Contact & Profiles
Research Areas
  • Listeria monocytogenes in Food Safety
  • Essential Oils and Antimicrobial Activity
  • Microbial Inactivation Methods
  • Bacterial biofilms and quorum sensing
  • Enterobacteriaceae and Cronobacter Research
  • Probiotics and Fermented Foods
  • Food Safety and Hygiene
  • Bacillus and Francisella bacterial research
  • Salmonella and Campylobacter epidemiology
  • Plant Pathogenic Bacteria Studies
  • Escherichia coli research studies
  • Advanced Chemical Sensor Technologies
  • Insect Pest Control Strategies
  • Identification and Quantification in Food
  • Water Treatment and Disinfection
  • Bacteriophages and microbial interactions
  • Plant Pathogens and Fungal Diseases
  • thermodynamics and calorimetric analyses
  • Vibrio bacteria research studies
  • Postharvest Quality and Shelf Life Management
  • Antimicrobial agents and applications
  • Phytochemicals and Antioxidant Activities
  • Insect Resistance and Genetics
  • Mycotoxins in Agriculture and Food
  • Nanocomposite Films for Food Packaging

Korea University
2015-2024

Wonkwang University
2017

University of Georgia
1999-2006

Griffin Hospital
1999

ABSTRACT The resistance of Escherichia coli O157:H7 strains ATCC 43895-, 43895-EPS (an exopolysaccharide [EPS]-overproducing mutant), and 43895+ (a curli-producing mutant) to chlorine, a sanitizer commonly used in the food industry, was studied. Planktonic cells and/or grown under conditions supporting EPS curli production, respectively, showed highest indicating that afford protection. (ca. 9 log 10 CFU/ml) all strains, however, were killed within min by treatment with 50 μg chlorine/ml....

10.1128/aem.71.1.247-254.2005 article EN cc-by Applied and Environmental Microbiology 2005-01-01

ABSTRACT Enterobacter sakazakii has been reported to form biofilms, but environmental conditions affecting attachment and biofilm formation on abiotic surfaces have not described. We did a study determine the effects of temperature nutrient availability by E. stainless steel enteral feeding tubes. Five strains grown stationary phase in tryptic soy broth (TSB), infant formula (IFB), or lettuce juice (LJB) at 12 25°C were examined for extent which they attach these materials. Higher...

10.1128/aem.00654-06 article EN Applied and Environmental Microbiology 2006-09-01

To determine the effectiveness of an alkaline cleaner used in food-processing plants and a lytic bacteriophage specific for Escherichia coli O157:H7 killing wild type rpoS-deficient cells pathogen biofilm.Wild were attached to stainless steel coupons (c. 7-8 log CFU per coupon) on which biofilms developed during incubation at 22 degrees C 96 h M9 minimal salts media (MSM) with one transfer fresh medium. Coupons treated 100 25% working concentrations commercial (pH 11.9, microg ml(-1) free...

10.1111/j.1365-2672.2005.02659.x article EN Journal of Applied Microbiology 2005-08-15

The aim of this study was to determine the role curli in attachment and biofilm formation by Escherichia coli O157:H7 on stainless steel.Three curli-deficient strains (43895-, 43894- E0018-) three over-producing (43895+, 43894+ E0018+) E. were studied. Stainless steel coupons (SSC) immersed cell suspensions each strain for 24 h at 4 degrees C. number cells attached SSC determined. To ability form biofilm, 10% tryptic soya broth up 6 days 22 Curli-deficient curli-producing did not differ...

10.1111/j.1472-765x.2004.01591.x article EN Letters in Applied Microbiology 2004-10-01

ABSTRACT The effectiveness of 13 disinfectants used in hospitals, day-care centers, and food service kitchens killing Enterobacter sakazakii suspension, dried on the surface stainless steel, biofilm was determined. E. exhibited various levels resistance to disinfectants, depending composition amount type organic matrix surrounding cells, exposure time. Populations planktonic cells suspended water (7.22 7.40 log CFU/ml) decreased undetectable (<0.30 within 1 5 min upon treatment with while...

10.1128/aem.01766-06 article EN Applied and Environmental Microbiology 2006-12-16

Abstract Halloysite nanotubes (HNTs), which are natural nanomaterials, have a hollow tubular structure with about 15 nm inner and 50 outer diameters. Because of their shape, HNTs loaded various materials been investigated as functional nanocapsules. In this study, thyme essential oil (TO) was encapsulated successfully in using vacuum pulling methods, followed by end‐capping or layer‐by‐layer surface coating process for complete encapsulation. Nanocapsules TO were mixed flexographic ink...

10.1111/1750-3841.13835 article EN Journal of Food Science 2017-09-01
Coming Soon ...