OXIDATIVE METABOLISM ACTIVITY IN Hydra attenuata EXPOSED TO CARBAMAZEPINE
Bibliographic record
Abstract
SUMMARY The cnidarian Hydra attenuata has become an in-creasingly popular bioindicator species owing to its sensi-tivity to various environmental contaminants. In this study, we examined the oxidative metabolism and bio-transformation capacity of Hydra attenuata exposed to the drug carbamazepine (CBZ), commonly found in mu-nicipal wastewaters. The organisms were first exposed to increasing concentrations of CBZ for 48 h at 20 o C. They were then tested for heme oxidase (HO) and lipid peroxi-dation (LPO) in addition to phase I (ethoxy/ benzyloxyre-sorufin, dibenzyloxyfluorescein and 3-cyano-7-ethoxy-coumarin de-alkylase activities) and phase II (glutathione S-transferase and sulfotransferase activities) biotransforma-tion reactions. Results showed that exposure to CBZ led to the induction of HO activity and LPO in Hydra . The activity of benzyloxyresorufin de-alkylase was induced by CBZ, while no significant change in 7-ethoxy-resorufin O-deethylase activity took place. Glutathione S-transferase activity was also induced at low concentrations, but sul-fotransferase activity was elevated only at the highest concentration tested. appears to possess both
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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) | 0.001 | 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".