Acellularization of Human Placenta With Preservation of the Basement Membrane
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
In Brief Basement membrane directs cell migration, cell adherence, and tissue organization in vivo. These qualities would be advantageous in tissue engineering, during which repopulation of scaffolds by functional cells is a common problem. The purpose of this study was to expose human term placenta to a chemical acellularization protocol using the isolated cotyledon perfusion technique to develop an acellular scaffold rich in extracellular matrix components for tissue engineering applications. The processed blocks of tissue demonstrated no cellular material on histologic examination. Periodic acid–Schiff staining, type IV collagen labeling, and transmission electron microscopy demonstrated preservation of the extracellular matrix and basement membrane. Maintenance of the extracellular matrix architecture was seen on scanning electron microscopy. Placenta-derived acellular matrix is a potential volume scaffold for tissue engineering. It is rich in extracellular matrix, has a complex architecture of vascular channels, and has unique donor opportunities. Term human placenta was chemically acellularized to produce an extracellular matrix structure with retained basement membrane, a potentially valuable scaffold to support functional cell populations.
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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 | 0.000 | 0.001 |
| 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) | 0.000 | 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