Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Ultraconfined oblate hard particles between hybrid penetrable walls.

Physical review. E·2024
Same author

Building up DNA, bit by bit: a simple description of chain assembly.

Soft matter·2021
Same author

Remnants of the disappearing critical point(s) in patchy fluids with distinct interaction patches.

The Journal of chemical physics·2020
Same author

Instabilities in liquid foams.

Soft matter·2020
Same author

Patchy particles at a hard wall: Orientation-dependent bonding.

The Journal of chemical physics·2019
Same author

Criticality of colloids with three distinct interaction patches: As simple as A,B,C?

Physical review. E·2017
Same journal

Tension on dsDNA bound to ssDNA-RecA filaments may play an important role in driving efficient and accurate homology recognition and strand exchange.

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Publisher's Note: Amplitude-phase coupling drives chimera states in globally coupled laser networks [Phys. Rev. E 91, 040901(R) (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Erratum: Shapes of sedimenting soft elastic capsules in a viscous fluid [Phys. Rev. E 92, 033003 (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Erratum: Attenuation of excitation decay rate due to collective effect [Phys. Rev. E 90, 022142 (2014)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Publisher's Note: Role of connectivity and fluctuations in the nucleation of calcium waves in cardiac cells [Phys. Rev. E 92, 052715 (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Publisher's Note: Lattice Boltzmann approach for complex nonequilibrium flows [Phys. Rev. E 92, 043308 (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
See all related articles

Related Experiment Video

Updated: Mar 27, 2026

A Three-Dimensional Spheroid Model to Investigate the Tumor-Stromal Interaction in Hepatocellular Carcinoma
12:24

A Three-Dimensional Spheroid Model to Investigate the Tumor-Stromal Interaction in Hepatocellular Carcinoma

Published on: September 30, 2021

6.3K

Phase behavior of shape-changing spheroids.

P I C Teixeira1,2, A J Masters3

  • 1ISEL-Instituto Superior de Engenharia de Lisboa, Instituto Politécnico de Lisboa, Rua Conselheiro Emídio Navarro 1, 1959-007 Lisbon, Portugal.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|January 15, 2016
PubMed
Summary
This summary is machine-generated.

A new model for biaxial nematic liquid crystals reveals no stable biaxial phase with additive particle shapes. Shape nonadditivity is key to stabilizing this phase, offering insights into liquid crystal behavior.

More Related Videos

An Efficient and Flexible Cell Aggregation Method for 3D Spheroid Production
07:46

An Efficient and Flexible Cell Aggregation Method for 3D Spheroid Production

Published on: March 27, 2017

25.8K
Modulating Shape of Polyester Based Polymersomes using Osmotic Pressure
06:01

Modulating Shape of Polyester Based Polymersomes using Osmotic Pressure

Published on: April 21, 2021

3.7K

Related Experiment Videos

Last Updated: Mar 27, 2026

A Three-Dimensional Spheroid Model to Investigate the Tumor-Stromal Interaction in Hepatocellular Carcinoma
12:24

A Three-Dimensional Spheroid Model to Investigate the Tumor-Stromal Interaction in Hepatocellular Carcinoma

Published on: September 30, 2021

6.3K
An Efficient and Flexible Cell Aggregation Method for 3D Spheroid Production
07:46

An Efficient and Flexible Cell Aggregation Method for 3D Spheroid Production

Published on: March 27, 2017

25.8K
Modulating Shape of Polyester Based Polymersomes using Osmotic Pressure
06:01

Modulating Shape of Polyester Based Polymersomes using Osmotic Pressure

Published on: April 21, 2021

3.7K

Area of Science:

  • Materials Science
  • Condensed Matter Physics
  • Chemical Physics

Background:

  • Biaxial nematic liquid crystals exhibit unique properties arising from orientational order in two dimensions.
  • Understanding the phase behavior of liquid crystals is crucial for developing advanced display and optical technologies.

Purpose of the Study:

  • To develop a simple theoretical model for biaxial nematic liquid crystals composed of shape-switching spheroids.
  • To investigate the stability of the biaxial nematic phase as a function of particle shape and interactions.

Main Methods:

  • Onsager's second-virial theory was employed to describe the interactions of hard Gaussian overlap particles.
  • Bifurcation analysis and numerical free energy minimization were used to determine phase stability.
  • The model incorporates an energy penalty for shape switching between prolate and oblate forms.

Main Results:

  • For additive particle shapes, no stable biaxial nematic phase was found, only a metastable one.
  • The isotropic-to-nematic transition leads to two degenerate uniaxial phases: rod-rich or plate-rich.
  • Even minor shape nonadditivity was shown to stabilize the biaxial nematic phase.

Conclusions:

  • The stability of the biaxial nematic phase is highly sensitive to particle shape nonadditivity.
  • The model provides a framework for understanding the complex phase behavior of liquid crystals with switchable shapes.
  • Future research could explore more complex particle interactions and geometries to further elucidate liquid crystal phase transitions.