Synthesis and Characterization of A Photo-Cross-Linked Biodegradable Elastomer
Bibliographic record
Abstract
The synthesis and characterization of a photocurable biodegradable elastomer as a potential biomaterial for the delivery of thermosensitive drugs are described. The elastomer was prepared from UV initiated cross-linking of an acrylated star-poly(epsilon-caprolactone-co-D,L-lactide) prepolymer. The influence of the molecular weight of the acrylated prepolymer on the final elastomer mechanical and thermal properties was determined. The glass-transition temperature of the elastomers was independent of the prepolymer molecular weight and was from -6 to -8 degrees C. The Young's modulus and stress at break of the elastomers was proportional to the inverse of the prepolymer molecular weight, while the strain at break increased in a linear fashion with the prepolymer molecular weight. Over a degradation period of 12 weeks in phosphate buffered saline, the elastomers exhibited little mass loss, appreciable mechanical strength loss, and little dimensional or strain at break change.
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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".