Bibliographic record
Abstract
Dendritic polymers are macromolecules with a multilevel highly branched architecture. Three distinct families of dendritic molecules can be identified, depending on the synthetic strategy used in their preparation. Dendrimers result from a strictly controlled sequence of polyfunctional ABn monomer protection, condensation, and deprotection reactions in a generation-based scheme. Hyperbranched polymers are mainly derived from analogous condensation reactions of ABn monomers, but typically without protecting groups and in one-pot reactions. Dendrigraft (or arborescent) polymers are obtained in a generation-based scheme analogous to dendrimers, but through grafting reactions of polymer segments rather than from small molecule building blocks. All three families of dendritic molecules can be further derivatized into water-dispersible species with micellar properties, for example, through the introduction of polar groups or hydrophilic polymer segments on the surface of the hydrophobic branched substrates, to serve as drug delivery vehicles. Different strategies for the synthesis of dendritic polymers, and their derivatization into amphiphilic micellar species, are discussed.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.005 | 0.005 |
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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".