Application of a Gas-phase Hydroxyl Radical Treatment to Inactivate Salmonella Enteritidis and Campylobacter jejuni on Table and Hatching Eggs
Bibliographic record
Abstract
The following thesis developed a gas-phase hydroxyl radical process technology as an intervention against Salmonella Enteritidis and Campylobacter jejuni associated with shelled eggs, without negatively affecting shelf-life or hatchability. The continuous treatment is based on UV-C mediated degradation of hydrogen peroxide (H2O2) and ozone (O3), generating antimicrobial hydroxyl radicals. Trials evaluated interactions between H2O2, UV-C, and O3, in terms of pathogen reduction and egg quality metrics. An optimized treatment of 2% v/v H2O2, 20 ppm O3, and 19mJ/cm2 UV-C supported a 5.01 log10 CFU/egg reduction of S. Enteritidis and 4.87 log10 CFU/egg reduction of C. jejuni. No negative effects on egg quality (Haugh unit, yolk index, albumen pH, yolk pH) or shelf-life were observed. The optimized treatment did not negatively impact hatchability of hatching eggs. Ultimately, the research has demonstrated the potential of gas-phase hydroxyl-radicals to reduce the incidence of S. Enteritidis and C. jejuni in egg production.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.002 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".