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Record W4408227613 · doi:10.1063/5.0259252

Complex viscosity of polyhyaluronic acid

2025· article· en· W4408227613 on OpenAlexafffund
Ezgi Pulatsu, M. A. Kanso, R. Chakraborty, A. Jeffrey Giacomin

Bibliographic record

VenuePhysics of Fluids · 2025
Typearticle
Languageen
FieldChemistry
TopicSurfactants and Colloidal Systems
Canadian institutionsUniversity of Ottawa
FundersNatural Sciences and Engineering Research Council of Canada
KeywordsViscosityPhysicsSuspension (topology)Aqueous suspensionMacromoleculeMoment of inertiaAqueous solutionThermodynamicsInertiaIntrinsic viscosityPrincipal axis theoremMonomerClassical mechanicsPolymerPhysical chemistryChemistryNuclear magnetic resonanceGeometryBiochemistry

Abstract

fetched live from OpenAlex

We use the macromolecular moments method of Chakraborty et al. [Phys Fluids, 34, 093109 (2022)] to calculate the complex viscosity of an aqueous suspension of polyhyaluronic acid. We do so by first calculating the equilibrium structure of the macromolecule, which leads us to its principal moments of inertia. Inserting these moments into the main results of general rigid bead-rod theory, yields from first principles, the complex viscosity of an aqueous suspension of polyhyaluronic acid. For polyhyaluronic, we find that one bead of a shish-kebab corresponds to one monomer of polyhyaluronic. Comparing our results with published complex viscosity measurements on polyhyaluronic acid suspensions, uncovers good agreement, and even better agreement with hydrodynamic interaction.

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.

How this classification was reachedexpand

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 score0.087
Threshold uncertainty score0.363

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
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 head0.019
GPT teacher head0.263
Teacher spread0.244 · 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

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designBench or experimental
Domainnot available
GenreEmpirical

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".

Quick stats

Citations2
Published2025
Admission routes2
Has abstractyes

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