CO<sub>2</sub>-triggered fast micellization of a liposoluble star copolymer in water
Why this work is in the frame
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Bibliographic record
Abstract
This study reports a green and efficient strategy using CO 2 to trigger fast micellization of a liposoluble star copolymer in water. The star copolymers consisting of a hyperbranched polyethylene (HBPE) core and multiple poly(2-(dimethylamino)ethyl methacrylate) (PDMAEMA) arms were synthesized through a sequential Pd-catalyzed chain walking copolymerization of ethylene and 2-(2-bromoisobutyryloxy)ethyl acrylate followed by an atom-transfer radical polymerization of DMAEMA. The star copolymers with large HBPE cores and low PDMAEMA arm numbers or short arms can be easily dissolved in aliphatic hydrocarbon solvents. The copolymers could be quickly dispersed in water and form micelles after CO 2 bubbling. A N 2 -mediated switching process following the CO 2 treatment is shown to reverse the micelles back to their neutral state without causing additional micelle aggregation. The CO 2 switchability of PDMAEMA prompted fast micellization of such liposoluble star copolymers. This article contains supporting information that will be made available online once the issue is published.
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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) | 0.002 | 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