Rational design of light‐controllable polymer micelles
Why this work is in the frame
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Bibliographic record
Abstract
Amphiphilic block copolymer (BCP) micelles are nanocarriers that hold promise for controlled delivery applications. This account highlights our recent works on light-dissociable BCP micelles. We have designed and developed light-responsive amphiphilic BCPs whose micellar aggregates (core-shell micelles and vesicles) can be disrupted by light exposure. The basic strategy is to incorporate a chromophore into the structure of the hydrophobic block, whose photoreaction can result in a conformational or structural change that shifts the hydrophilic/hydrophobic balance toward the destabilization of the micelles. Using various chromophores including azobenzene, pyrene and nitrobenzene, we have achieved both reversible and irreversible dissociation of BCP micelles upon illumination with UV/visible or near infrared light. The demonstrated rational design principle based on light-changeable or light-switchable amphiphilicity is general and can be applied to many polymer/chromophore combinations. This opens the door to developing photocontrollable polymer nanocarriers offering control over when and where the release of loaded agents takes place.
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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 | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 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) | 0.001 | 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