- Listeria monocytogenes in Food Safety
- Biosensors and Analytical Detection
- Microbial Inactivation Methods
- Salmonella and Campylobacter epidemiology
- Probiotics and Fermented Foods
- Essential Oils and Antimicrobial Activity
- Cell Image Analysis Techniques
- Viral gastroenteritis research and epidemiology
- Identification and Quantification in Food
- Microfluidic and Bio-sensing Technologies
- Bacteriophages and microbial interactions
- Food Safety and Hygiene
- Advanced Biosensing Techniques and Applications
- Advanced Chemical Sensor Technologies
- Viral Infectious Diseases and Gene Expression in Insects
- Microfluidic and Capillary Electrophoresis Applications
- Spectroscopy and Chemometric Analyses
- Escherichia coli research studies
- Bacterial Identification and Susceptibility Testing
- Vibrio bacteria research studies
- Bacterial biofilms and quorum sensing
- Spectroscopy Techniques in Biomedical and Chemical Research
- Proteins in Food Systems
- Protein Hydrolysis and Bioactive Peptides
- Gut microbiota and health
Purdue University West Lafayette
2016-2025
Indian Institute of Technology Kanpur
2009
University of Illinois Urbana-Champaign
2009
Eastern Regional Research Center
2006
United States Department of Agriculture
2006
Agricultural Research Service
2006
The Ohio State University
2004
Alabama Agricultural and Mechanical University
1998-2001
University of Arkansas at Fayetteville
1991-1998
Texas A&M University
1997
An antimicrobial peptide designated pediocin AcH was isolated from Pediococcus acidilactici strain H. The purified by ion exchange chromatography. molecular weight of determined SDS‐PAGE to be about 2700 daltons. Pediocin sensitive proteolytic enzymes, resistant heat and organic solvents, active over a wide range pH. exhibited inhibition against several food spoilage bacteria foodborne pathogens including Staphylococcus aureus, Clostridium perfringens Listeria monocytogenes. It bactericidal...
The peptide, pediocin AcH, from Pediococcus acidilactici H binds to the cell surface of Lactobacillus plantarum NCDO 955, its resistant mutant and several other sensitive Gram‐positive bacteria but not Gram‐negative bacteria. Sensitive cells, following treatment with lost intracellular K ions, u.v.‐absorbing materials, became more permeable ONPG and, in some strains, lysed. Binding AcH was maximum at pH 6.0. Anions salts inhibited binding this overcome by increased concentrations AcH....
In addition, diseases caused by viruses, parasites, mycotoxins, and seafood toxins have been included.In Chap.3, a comprehensive review on the digestive system, mucosal immunity, host immune system described.This chapter provides basic foundation for understanding of complexity disease production foodborne pathogens.First all, pathogens' primary site action is tract; therefore one must adequate knowledge to understand interaction pathogens with gastrointestinal tract second, innate adaptive...
Journal Article Antibody–aptamer functionalized fibre‐optic biosensor for specific detection of Listeria monocytogenes from food Get access S.H. Ohk, Ohk Molecular Food Microbiology Laboratory, Department Science, Purdue University, West Lafayette, IN, USA Search other works by this author on: Oxford Academic Google Scholar O.K. Koo, Koo T. Sen, Sen Hitachi Chemical Research Center, Inc., Irvine, CA, C.M. Yamamoto, Yamamoto A.K. Bhunia Arun K. Bhunia, 745 Agriculture Mall Dr., IN 47907‐2009,...
Foodborne pathogens pose serious public health risks. Rapid, accurate technologies to detect a low number of target cells (1 cell/25–325 g sample) and microbial toxins are in demand order assess product safety hours up 1 day. Varied pathogen loads the complexity food present major challenge. Current culture methods, while accurate, lengthy. New using brief culturing detection kits (antibody based, nucleic acid amplification or nano/biosensors) culture-independent approach coupled with...