Plasma copper clearance and biliary copper excretion are stimulated in copper-acclimated trout
Bibliographic record
Abstract
Nonacclimated and Cu-acclimated rainbow trout (Oncorhynchus mykiss) exhibited equally rapid clearance of a single bolus of injected (64)Cu (3,780 nmol/kg) from the plasma (32-40 min to half- concentration). Eight hours after Cu injection, approximately 80% of the injected Cu was found in the liver. However, when Cu labeled with (64)Cu was presented intravascularly via continuous infusion at a rate of 158 nmol x kg(-1) x h(-1) for 72 h, Cu-acclimated fish cleared plasma Cu more effectively than nonacclimated fish. The use of chronically implanted cystic bile duct cannulas revealed a fourfold increase in hepatobiliary Cu excretion in Cu-acclimated fish during infusion, demonstrating the important homeostatic role of the liver in Cu metabolism. Extrahepatobiliary Cu excretion, likely through the gills and apparently exceeding biliary Cu excretion, was evident from appearance of (64)Cu in the ambient water but was not altered by Cu acclimation. Cu accumulation in white muscle also played an important a role in copper homeostasis.
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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 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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".