Overcoming Kinetic Trapping for Morphology Evolution during Polymerization‐Induced Self‐Assembly
Why this work is in the frame
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Bibliographic record
Abstract
Polymerization-induced self-assembly (PISA) is a powerful technique to synthesize assemblies with various morphologies. However, PISA mediated by long, stabilizing chains usually produces kinetically trapped spheres; thus, the morphology evolution remains a challenge. Here, a convenient and general strategy for facilitating the morphological evolution by the copolymerization of solvophilic monomers is reported. With the incorporation of only 7% (molar ratio) solvophilic 3-(triethoxysilyl)propyl methacrylate (TESPMA) into poly(N,N-dimethylaminoethyl methacrylate)-b-poly(benzyl methacrylate) (PDMA-b-PBzMA) spheres, PDMA-b-P(BzMA-co-TESPMA) assemblies evolve from spheres to worms, octopi-like and jellyfish-like structures, vesicles, and large compound vesicles. This non-specific effect is further confirmed by the copolymerization of BzMA with other solvophilic monomers, including N,N-dimethylaminoethyl methacrylate (DMA), N,N-diethylaminoethyl methacrylate (DEA), and 2-hydroxypropyl methacrylate (HPMA). This work provides a convenient approach to promote morphology evolution and develops the formulations design of PISA.
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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 | 0.001 | 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