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The Isotropic to Nematic Liquid Crystalline Phase Transition of F-actin Varies from Continuous to First Order

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Jorge Viamontes, Patrick W. Oakes, Jay X. Tang

Biological Physics · Submitted 26 Apr 2006

abstract compiled · 2026-09-23 · no language-model review

The authors' main claim We report that the properties of the isotropic to nematic liquid crystalline phase transition of F-actin depend critically on the average filament length.

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arXiv IDphysics/0604212 (version 1)
Pith IDZVGWY3AM, Pith's permanent record of this paper and its review
CitationJay X. Tang, Jorge Viamontes, Patrick W. Oakes. "The Isotropic to Nematic Liquid Crystalline Phase Transition of F-actin Varies from Continuous to First Order." arXiv:physics/0604212 (2006). https://pith.science/paper/ZVGWY3AM
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The compiled record

The paper's own sentences, arranged. Each label is drawn from a closed vocabulary; the number beside it is the probability the classifier gave that label. Numbers in the tables are the authors', checked by code. No sentence in this record was written by a model.

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Compiled by classifier-1.13.0 via TypeSafe API, question bank abstract-p1-20260923, 2026-09-23: 1 request, 3,662 input tokens.

What the abstract itself states, as probabilities: claims first 0.77 · states limitation 0.22 · human participants 0.02 · controlled comparison 0.15 · randomized assignment 0.01 · states quantitative result 0.98 · compares with prior results 0.93 · mentions code or data availability 0.02.

The abstract, sentence by sentence

arXiv listing abstract v1. Results and the main claim are underlined; .

We report that the properties of the isotropic to nematic liquid crystalline phase transition of F-actin depend critically on the average filament length. For average filament lengths longer than 2 $\mu$m, we confirm previous findings that the phase transition is continuous in both alignment and concentration. For average filament lengths shorter than 2 $\mu$m, we show for the first time a first order transition with a clear discontinuity in both alignment and concentration. Tactoidal droplets of coexisting isotropic and nematic phases, differing in concentration by approximately 30%, form over the course of hours and appear to settle into near equilibrium metastable states.

background contribution method result interpretation main claim

What the classifier reports for each sentence. The number is the probability it gave the label.
#sentencerolethe authors' own workstates the main conclusionstrength
s0 We report that the properties of the isotropic to nematic liquid crystalline phase transition of F-actin depend critically on the average filament length. result 0.78 0.89 0.68 asserted 1.00
s1 For average filament lengths longer than 2 $\mu$m, we confirm previous findings that the phase transition is continuous in both alignment and concentration. result 0.77 0.40 0.11 asserted 1.00
s2 For average filament lengths shorter than 2 $\mu$m, we show for the first time a first order transition with a clear discontinuity in both alignment and concentration. result 0.95 0.96 0.43 asserted 1.00
s3 Tactoidal droplets of coexisting isotropic and nematic phases, differing in concentration by approximately 30%, form over the course of hours and appear to settle into near equilibrium metastable states. result 0.98 0.87 0.05 asserted 0.61

What kind of paper the classifier reports this is: empirical study 1.00 · evidence from observation or experiment 1.00.

What was examined, and what was not

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not examined
  • full text
  • figures and tables
  • references and citing sentences
  • relations to other papers
levels run
  • P abstract
not run
  • S sections
  • T body sentences
  • C citations
  • R cross-paper relations

Every quoted sentence on this record is the authors'. Every label is from Pith's closed vocabulary, with the probability shown beside it. Every number in the measurements table is the authors', checked by code. Record as JSON

The paper
Original abstract

We report that the properties of the isotropic to nematic liquid crystalline phase transition of F-actin depend critically on the average filament length. For average filament lengths longer than 2 $\mu$m, we confirm previous findings that the phase transition is continuous in both alignment and concentration. For average filament lengths shorter than 2 $\mu$m, we show for the first time a first order transition with a clear discontinuity in both alignment and concentration. Tactoidal droplets of coexisting isotropic and nematic phases, differing in concentration by approximately 30%, form over the course of hours and appear to settle into near equilibrium metastable states.

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