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Record W2072487620 · doi:10.1021/ja075201i

Hierarchical Interfacial Assembly of ABC Triblock Copolymer

2008· article· en· W2072487620 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenueJournal of the American Chemical Society · 2008
Typearticle
Languageen
FieldMaterials Science
TopicBlock Copolymer Self-Assembly
Canadian institutionsQueen's University
Fundersnot available
KeywordsCopolymerMicelleChemistrySelf-assemblyBlock (permutation group theory)FabricationAmphiphilePolymer chemistryChemical engineeringNanotechnologyMaterials scienceAqueous solutionOrganic chemistryPolymer

Abstract

fetched live from OpenAlex

Hierarchical assembly, allowing molecular order and structural control at multilength scales, is the basis of life itself and may be used in the fabrication of future electronic, optical, and other devices. Despite its importance, hierarchical assembly has been seldom practiced for block copolymers in solvents. This paper reports a method for the two-tier assembly of block copolymers. At tier 1, an ABC triblock copolymer is self-assembled into spherical or cylindrical micelle-like aggregates in decahydronaphthalene (DN) with the B block making up the insoluble core and the A and C blocks making up the soluble corona. At tier 2, the aggregates are further assembled by adsorption via the Pickering effect on surfaces of droplets of methanol that is immiscible with DN, has been added into the DN aggregate solution, and solubilizes the C block but not the A and B blocks. While the final 3-D shape of the hierarchically assembled block copolymer is invariably spherical, the 2-D morphologies are different being ordered ribbons at 52 ± 2 °C and balls in sockets at 22 ± 2 °C.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.015
Threshold uncertainty score0.637

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0000.001
Science and technology studies0.0000.002
Scholarly communication0.0000.000
Open science0.0010.000
Research integrity0.0000.001
Insufficient payload (model declined to judge)0.0000.000

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.

Opus teacher head0.013
GPT teacher head0.256
Teacher spread0.243 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it