MétaCan
Menu
Back to cohort
Record W2055137886 · doi:10.1021/cg8008927

Non-Isothermal Nucleation and Crystallization of 12-Hydroxystearic Acid in Vegetable Oils

2008· article· en· W2055137886 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

VenueCrystal Growth & Design · 2008
Typearticle
Languageen
FieldAgricultural and Biological Sciences
TopicFood Chemistry and Fat Analysis
Canadian institutionsUniversity of GuelphUniversity of Saskatchewan
Fundersnot available
KeywordsNucleationSupersaturationSupercoolingBranching (polymer chemistry)CrystallizationThermodynamicsIsothermal processGrowth rateCrystal growthChemistryKineticsCrystal (programming language)Materials scienceCrystallographyChemical physicsOrganic chemistry

Abstract

fetched live from OpenAlex

The non-isothermal nucleation rate of a self-assembling fibrillar network of 12-hydroxystearic acid in canola oil was found to be inversely proportional to the undercooling time exposure of the system. Moreover, fiber growth kinetics could be adequately modeled using the Avrami equation. Both nucleation and fiber growth kinetics displayed two distinct regimes, above and below 5 °C/min. The abrupt change in the rate of nucleation, crystal growth rate constant, and the degree of branching at this cooling rate are related to whether the nucleation and crystal growth processes are governed by mass transfer or thermodynamics. At rapid cooling rates, above 5 °C/min, the driving force for both nucleation and crystal growth is the time-dependent chemical potential difference between the molten solid in solution and the crystallized solid (the degree of undercooling or supersaturation). At low cooling rates, however, the rate of crystallization is no longer determined by this dynamic chemical potential difference, but rather only limited by time. In the slow cooling regime, we show that there are no noncrystallographic mismatches which would lead to fiber branching. Using the models developed and adapted in this work, we could accurately predict the fiber length, rate of nucleation, rate of crystal growth, induction time of nucleation, and the degree of branching of a 12HSA SAFIN.

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 score0.147
Threshold uncertainty score0.213

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 head0.182
Teacher spread0.163 · 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