Agarose hydrogels reinforced by chromonic aggregates

We report the mechanical properties of agarose hydrogels enhanced by the introduction of a lyotropic chromonic liquid crystal, Sunset Yellow FCF (SSY). The soft, fibre-like structures of the chromonic aggregates interact with and reinforce the hydrogel networks, creating soft composites with maximum...

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Bibliographic Details
Published in:Molecular Crystals and Liquid Crystals 2023-09, Vol.762 (1), p.123-129
Main Authors: Le, Khoa V., Yamazaki, Keita, Takemoto, Hana, Ishiyama, Kenta, Naka, Yumiko, Sasaki, Takeo
Format: Article
Language:English
Subjects:
Agarose hydrogels
Aggregates
chromonic aggregates
fibre-reinforced composites
Hydrogels
Liquid crystals
lyotropic chromonic liquid crystals (LCLCs)
Mechanical properties
Modulus of elasticity
Sunset Yellow FCF (SSY)
tensile strength
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Summary:We report the mechanical properties of agarose hydrogels enhanced by the introduction of a lyotropic chromonic liquid crystal, Sunset Yellow FCF (SSY). The soft, fibre-like structures of the chromonic aggregates interact with and reinforce the hydrogel networks, creating soft composites with maximum stress, fracture strain, and stiffness (Young's modulus) 30 to 40% larger than those of pure agarose hydrogels.
ISSN:1542-1406
1563-5287
1527-1943
DOI:10.1080/15421406.2023.2188803