Briefing: A study on biological remediation and ecotoxicity evaluation of BaP-contaminated soil
Bibliographic record
Abstract
Benzo[a]pyrene (BaP) is a hydrophobic and recalcitrant organic compound that is often identified in contaminated soils and sediments. This study used a short-term biocatalytic method for the remediation of BaP-contaminated soil. Daphnia magna was used to evaluate the toxicity of the treated soil. Reducing the BaP concentration in the soil to lower than 2 mg/kg was the ultimate goal. The experimental treatment used a microreactor to measure the amount of carbon dioxide (CO2) generated by the biocatalytic reaction. The haemoglobin that was not introduced into the reactor resulted in twice the amount of released carbon dioxide, as the haemoglobin was used as a carbon source. A reduction in the BaP concentration from 9·4 mg/l to a final concentration of 1·12 mg/l demonstrated the ability to restore the soil contaminated with BaP by the biocatalyst and the biodegradability of the coupling mechanism. An ecotoxicity analysis of D. magna was carried out after a 35 d biological treatment process. As a result, the ecotoxicity value was analysed as 0·0 toxic units.
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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 | 0.001 | 0.000 |
| Insufficient payload (model declined to judge) | 0.003 | 0.001 |
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".