Microplastic contamination in edible American lobster (Homarus americanus) muscle tissue
Bibliographic record
Abstract
This study investigated internalized microplastic (MP) concentration, size, and polymer composition in the edible muscle tissue of Homarus americanus collected from four commercial lobster fishing sites in Nova Scotia, Canada. Mean MP concentration across all lobsters was 6.65 ± 5.36 MPs g −1 wet weight tissue, and all lobsters examined contained MPs. MP concentration was inversely correlated with lobster size (i.e., tail length), and varied depending on sampling location, with significantly higher MP concentrations in lobsters from the south-west area. The mean MP diameter was 3.65 ± 0.47 µm, while the most common MP size classes found indicate translocation susceptibility of lobster muscle tissue from the smallest MPs (≤4 µm). The most abundant polymers identified were polyethylene vinyl acetate (25 %), polyester (25 %), and polysulfone (19 %). Findings highlight the need for more muscle tissue-specific analysis to better understand the ecological implications of MP contamination in lobsters. Further research is needed to understand the long-term effects of MP exposure on lobsters. • Microplastics (MPs) were investigated in Homarus americanus in Nova Scotia, Canada. • All lobsters examined contained internalized microplastics in edible tail muscle tissues. • MP sizes in lobster muscle tissue indicate translocation susceptibility of the smallest MPs (≤4 µm). • Most abundant polymers were polyethylene vinyl acetate (25 %), polyester (25 %), and polysulfone (19 %). • Further research is needed to understand long-term effects of microplastic exposure on lobsters.
Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.
How this classification was reachedexpand
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 | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.002 |
| Science and technology studies | 0.000 | 0.003 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.001 |
| 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, 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".