N-Isopropylacrylamide Copolymers with Acrylamide and Methacrylamide Derivatives of Cholic Acid: Synthesis and Characterization
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Bibliographic record
Abstract
By free radical polymerization, we have prepared a series of water-soluble, thermosensitive copolymers based on N-isopropylacrylamide and (meth)acrylamide derivatives of cholic acid, one of the bile acids. The copolymers contained 1–7 mol-% of the (meth)acrylamide derivatives of cholic acid. The chemical composition in the copolymers was studied by NMR spectroscopy and was found to be close to the original composition of the comonomers in the feed prior to polymerization. The lower critical solution temperatures (LCST) of the polymer solutions were measured by means of differential scanning calorimetry and turbidimetry. The resulting copolymers exhibit systematic changes in their LCSTs as a function of their chemical composition, as the incorporation of hydrophobic comonomers leads to a lower LCST.
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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 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 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