Effects of Exposure to Sublethal Concentrations of Hexavalent Chromium on the Redox Homeostasis of Periwinkle (Tympanotonos fuscatus Linnaeus)
Why this work is in the frame
A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.
Bibliographic record
Abstract
The imbalance between the rate of production of reactive oxygen species (ROS) and the ability of the body to scavenge harmful free radicals (ROS) results in oxidative stress. Hexavalent chromium (Cr 6+ ) is a toxic oxidation state of chromium that induces oxidative stress at high concentrations. In this study, periwinkles were exposed to sublethal concentrations (0.42, 0.84, and 4.2 mgl -1 ) of Cr 6+ for 30 days while the unexposed animals served as control (0 mgl -1 ). Thereafter, the activities of superoxide dismutase, catalase, and glutathione peroxidase, and the levels of reduced glutathione as well as lipid peroxidation were determined using standard procedures. The results show that there was a concentration-dependent significant increase in the activities of superoxide dismutase, catalase and glutathione peroxidase in the exposed animals compared to the control. The levels of reduced glutathione and lipid peroxidation decreased significantly in the exposed animals compared to the control. The results indicate that exposure to sublethal concentrations of Cr 6+ can modulate redox homeostasis of periwinkles and consequently result in oxidative stress. The stress pattern shown by periwinkles in the presence of chemical stressor, Cr 6+ can be an indicator for chemical pollutant in the environment.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 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 it