Salt-induced erosion of hydrogen-bonded layer-by-layer assembled films
Why this work is in the frame
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Bibliographic record
Abstract
Hydrogen-bonded layer-by-layer assembled films from poly(vinyl pyrrolidone) (PVPON) and poly(acrylic acid) (PAA) were fabricated. Fabry–Perot fringes were used as a simple but efficient method for studying the structure changes in the films during salt treatment. Results indicate that these films are very sensitive to salt when incubated in water. A brief treatment in salt solution of low concentration results in microphase separation in the films, the extent of which increases with increasing pH and salt concentration. The microphase separation in PVPON–PAA films is explained by the enhanced dissociation of PAA, which partially breaks the hydrogen bonds in the films. More importantly, the erosion of the PVPON–PAA films accelerates greatly in salt solution. Morphology changes during the erosion suggest a dewetting process of the films, which facilitates their dissolution. Finally, salt-triggered, rapid release of ibuprofen was achieved by the quick, salt-induced erosion of the hydrogen-bonded films.
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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 | 0.000 |
| 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) | 0.004 | 0.005 |
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