Influence of Polymer Ionization Degree on Solute Diffusion in Polyelectrolyte Gels
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Bibliographic record
Abstract
The ability of an obstruction-scaling model of solute diffusion to account for solute diffusivity in polyelectrolyte gels composed of semiflexible chains is presented. The diffusion of FITC−dextran in poly(acrylic acid) gels was measured at different pH conditions to determine the effect of the ionization degree of the poly(acrylic acid) on the diffusivity of the FITC−dextran. The obstruction-scaling model, as well as a hydrodynamic-based model and a jumping frequency model, was applied to the data. It was determined through regression analysis that the obstruction-scaling approach provided a better fit and could effectively account for the observed effect of the variation in the ionization degree on solute diffusivity.
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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) | 0.000 | 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