Evaporation-induced self-assembly of liquid crystal biopolymers

Park, Soon Mo; Yoon, Dong Ki

doi:10.1039/d3mh01585h

Mater. Horiz.

2024

DOI: 10.1039/d3mh01585h

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Evaporation-induced self-assembly of liquid crystal biopolymers

Soon Mo Park,

Dong Ki Yoon

Abstract: Evaporation-induced self-assembly (EISA) is a process that has gained significant attention in recent years due to its fundamental science and potential applications in materials science and nanotechnology. This technique involves...

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Cited by 4 publications

References 167 publications

(245 reference statements)

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Nature‐Inspired Helicoidal Nanocellulose‐Based Multi‐Compartment Assemblies with Tunable Chiroptical Properties

Mujica,

Augustine,

Pauly

et al. 2024

Advanced Materials

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Cellulose‐based nanocomposites are highly appealing for the development of next‐generation sustainable functional materials. Although many advances have been made in this direction, the true potential of fibrillar nanocomposites has yet to be realized because available fabrication approaches are inadequate for achieving precise structural control at the sub‐micrometer scale. Here a spray‐assisted alignment methodology of cellulose nanofibrils is combined with the layer‐by‐layer assembly into an additive manufacturing process in which the alignment direction of each cellulose layer is rationally selected to achieve thin films with a helicoidal arrangement of the nanofibrils. The helicoidal structure of the films is verified by measuring the circular dichroism (CD) of the samples. The sign and position of the structural CD peak show that the handedness and the pitch of the chiral structures can be easily tuned by deliberately selecting simple parameters, such as the number of consecutive cellulose layers sprayed in the same direction, and the angle of rotation between successive stacks of layers. To our knowledge, our approach is unique as it offers the possibility to prepare complex nanocomposite architectures with various nanoscale‐controlled sub‐structures from different anisometric objects, which is enabling novel designs of composite films with damage‐resistant and/or optical filtering functionalities.This article is protected by copyright. All rights reserved

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Nature‐Inspired Helicoidal Nanocellulose‐Based Multi‐Compartment Assemblies with Tunable Chiroptical Properties

Mujica,

Augustine,

Pauly

et al. 2024

Advanced Materials

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show abstract

Engineered Protein Fibers with Reinforced Mechanical Properties Via β‐Sheet High‐Order Assembly

Li,

Qin,

Chen

et al. 2024

Advanced Science

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Protein fibers are ideal alternatives to synthetic polymers due to their unique mechanical properties, biocompatibility, and sustainability. However, engineering biomimetic protein fibers with high mechanical properties remains challenging, particularly in mimicking the high molecular weight of natural proteins and regulating their complex hierarchical structures. Here, a modular design and multi‐scale assembly strategy is developed to manufacture robust protein fibers using low‐ or medium‐molecular‐weight proteins. The distinct functional and structural properties of flexible, rigid, and cross‐linked domains in modular proteins are skillfully harnessed. By regulating the ratio of rigid to flexible domains, the formation of high‐order β‐sheet crystals aligned along the fiber axis is promoted, enhancing both strength and toughness. Furthermore, the dynamic imine cross‐linking network, formed by the aldehyde‐amine condensation reaction of the cross‐linked domains, further reinforces the protein fibers. Remarkably, fibers spun from modular proteins significantly smaller than natural spidroin exhibit outstanding mechanical properties, surpassing those of protein fibers with same or even higher molecular weights. This strategy offers a promising pathway for fabricating protein fibers suitable for diverse applications.

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A comprehensive review of 4D-printed thermo-responsive hydrogel-based smart actuators for solar steam generation: Advanced design, modeling, manufacturing, and finite element analysis

Chandra Adak,

Lee

2025

Progress in Materials Science

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Evaporation-induced self-assembly of liquid crystal biopolymers

Abstract: Evaporation-induced self-assembly (EISA) is a process that has gained significant attention in recent years due to its fundamental science and potential applications in materials science and nanotechnology. This technique involves...

Cited by 4 publications

References 167 publications

Nature‐Inspired Helicoidal Nanocellulose‐Based Multi‐Compartment Assemblies with Tunable Chiroptical Properties

Nature‐Inspired Helicoidal Nanocellulose‐Based Multi‐Compartment Assemblies with Tunable Chiroptical Properties

Engineered Protein Fibers with Reinforced Mechanical Properties Via β‐Sheet High‐Order Assembly

A comprehensive review of 4D-printed thermo-responsive hydrogel-based smart actuators for solar steam generation: Advanced design, modeling, manufacturing, and finite element analysis

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