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Tuning the Contractility and Deformation Modes of Active Actin-Based Assemblies In Vitro: From Two-Dimensional Active Networks to Liquid Crystal Drops

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Liquid crystal assemblies in biologically inspired systems.

Cyrus R Safinya¹, Joanna Deek², Roy Beck¹

¹Materials, Physics, and Molecular, Cellular, & Developmental Biology Departments, University of California, Santa Barbara, CA 93106, USA.

Liquid Crystals

|February 22, 2014

Summary

This summary is machine-generated.

Biologically inspired liquid crystals are explored, focusing on neurofilaments forming nematic hydrogels and cationic liposomes for nucleic acid delivery. These systems leverage liquid crystal properties for biological function and therapeutic applications.

Keywords:

DNA Neurofilaments RNA gyroid cubic phases hexagonal liquid crystals lamellar liquid crystals lipids nematic hydrogels small-angle-x-ray-scattering (SAXS)

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Published on: August 3, 2021

Area of Science:

Soft Matter Physics
Biophysics
Materials Science

Background:

Liquid crystals (LCs) exhibit unique properties impacting biological functions.
Biologically inspired systems can form LC phases with potential biomedical applications.

Purpose of the Study:

To explore biologically inspired systems forming liquid crystal phases.
To understand the role of LC properties in biological function and biomedical applications.

Main Methods:

Synchrotron X-ray scattering studies on neurofilament (NF) hydrogels.
Analysis of cationic liposome (CL)-nucleic acid (NA) complex formation and properties.

Main Results:

Neurofilament networks form nematic liquid crystal hydrogels stabilized by electrostatic interactions.
CL-NA complexes form liquid crystalline phases with structure-dependent membrane interactions.

Conclusions:

Liquid crystal principles are relevant to understanding cellular structures like neurofilaments.
CL-NA liquid crystals offer potential for efficient nucleic acid delivery in therapeutics.