Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 237 for “"foodborne"”.
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Penalties for Foodborne Illness: Jury Decisions and Awards in Foodborne Illness Lawsuits
… plaintiff success and payouts in jury settled foodborne illness (FBI) lawsuits. Given the risk to firms in terms of potentially large payouts, future litigation, and lost reputation, the results may provide economic incentives for food firms and others in the supply chain to produce safer and …
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Multiscale Modelling of Foodborne Diseases
… in order to understand the mechanisms on how foodborne pathogens cause infections on human beings and animals, as very little has been done in modelling of foodborne disease. The primary goal of this study is to create multiscale models for foodborne diseases to examine whether a mutual …
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Transcriptional stress response in foodborne pathogens
… The application of molecular methods targeting foodborne pathogens provides genetic profiling and targeted intervention methods. Whole-genome sequencing (WGS) provides information on the genomic uniqueness of specific pathogens and is being implemented in epidemiological investigations. …
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Inactivation of foodborne pathogens by fruit wines
… in wines made from fruits other than grape. The foodborne pathogens Escherichia coli O157:H7, Listeria monocytogenes, Salmonella Typhimurium, Shigella dysenteriae, and Staphylococcus aureus were treated with fruit wine solutions at varying concentrations for 24 h using blackberry, cherry, peach, …
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Evaluation and continuous improvement of foodborne disease surveillance.
… measurement and improvement methods to a foodborne disease outbreak detection and investigation process. This thesis is the results of investigation into the three following research questions: 1) can foodborne disease outbreak responder training and work experience be measured in an …
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Characterisation of bacteriophage dynamics associated with foodborne pathogens
… by host factors and acute events such as foodborne infections. This thesis explores the ecological roles and therapeutic potential of phages in the gut, with a particular focus on phage-bacteria interactions involving foodborne pathogens. Using models that incorporate phage interactions …
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Foodborne pathogens in poultry production and post-harvest control
A comprehensive ecological survey was conducted from April 1997 to June 1999 on four turkey flocks (F5-F8) to identify the preharvest sources of Salmonella colonization. Generic E. coli and total coliforms were enumerated as indicators of fecal contamination in F7 and F8. Turkey cecal and crop …
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Fast But Right: Outbreak Surveillance And Foodborne Knowledge Infrastructure
… and investigating national outbreaks of foodborne disease. Drawing on archival and ethnographic material from US public health and regulatory agencies, I investigate how officials have built and used surveillance systems to make foodborne outbreaks visible, reflecting the shape of the …
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Locating the source of large scale outbreaks of foodborne disease
Foodborne illness outbreaks impose enormous health and economic burdens in the US. Identifying the origin of the contaminated food causing an outbreak is a challenging problem due to the complexity of the food supply and the absence of coherent labeling and distribution records. Current …
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In vitro model development for novel prevention measures against foodborne pathogens
Foodborne disease prevention can benefit from improved antimicrobial applications and targeted approaches to investigating phenomena that drive the presence and absence of pathogens in our foods. The use of suboptimal methodologies for these investigations remains a hurdle to furthering …
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Evaluating Risks and Mitigation Measures for Foodborne Pathogens on Harvest Bags
Tree fruit growers need information on pathogen dynamics following harvest bags contamination to determine effective sanitation interventions for decontaminating these surfaces. Therefore, the objectives of this research were (i) to determine the survival of generic E. coli, Salmonella, and L. …
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Sodium phosphate inhibition of the growth of selected foodborne spoilage yeasts
Sodium phosphite was evaluated for inhibition of growth of spoilage yeasts in laboratory media and in two commercial carbonated beverages. In addition, the effects of pH and atmosphere in combination with sodium phosphite were also examined in laboratory media. Inhibition studies in laboratory …
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On-chip parallel detection of foodborne pathogens using loop-mediated isothermal amplification
… important for control and treatment of foodborne diseases. According to estimates issued by the Center for Disease Control and Prevention, one out of six Americans will be sick during this year due to consumption of contaminated products and there will be 50,000 related hospitalizations. …
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Fate of Foodborne Pathogens During Osmotic Dehydration and Subsequent Storage of Apples
The fate of E. coli O157:H7 and Salmonella spp. during osmotic dehydration of apples was determined at different processing temperatures, times and calcium chloride (CaCl2) concentrations. Apple slices were inoculated to achieve an 8 log CFU/ apple slice concentration of a five strain mixture of E. …
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Use of High Pressure Processing to Reduce Foodborne Pathogens in Coconut Water
Juices have been implicated in numerous foodborne outbreaks over the last couple of decades. The FDA requires a 5-log10 reduction in juice products, which is most commonly achieved through pasteurization. However, pasteurization deteriorates some sensorial properties and nutritive value. Coconut …
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Autoinducer-2-based quorum sensing of foodborne pathogenic bacteria under food related conditions
… density dependent cell-to-cell signaling) of foodborne pathogenic bacteria in food environments. Under the conditions of these studies, AI-2 activity of Salmonella and Escherichia coli O157:H7 was not associated with rate of bacterial growth. Production of AI-2 was increased in the presence of …
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Intervention Strategies to Reduce Foodborne Pathogens in Poultry During Grow-out and Processing
Several foodborne pathogens like Salmonella spp., Campylobacter jejuni and Clostridium perfringens can occasionally be traced to poultry sources. The development of intervention strategies that are applicable to different stages of poultry production can help lessen the level of these pathogens in …
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Factors Associated with Foodborne Pathogens and Fecal Indicator Organisms in Virginia Agricultural Soils
Prior research reveals foodborne pathogens, as well as enteric bacteria, can thrive in agricultural soils. Understanding how macro- and micronutrients, as well as meteorological factors and observational factors, impact pathogen prevalence may promote a better understanding of how pathogens persist …
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