Effective polar orientation of organic polar nanocrystals and their fixation in polymer matrices

Matsuura, Tatsuro; Wada, Tetsuyuki; Tatewaki, Yoko; Okada, Shuji

doi:10.7567/jjap.53.061601

Cited by 15 publications

(3 citation statements)

References 24 publications

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“…It is well known that objects possessing a permanent dipole moment can be electrically oriented . When such polar objects are placed in a uniform and static electric field, the objects align so that their dipole moment becomes parallel to the external field.…”

Section: Methods For Macroscopic Orientation Of Porous Materialsmentioning

confidence: 99%

Macroscopically Oriented Porous Materials with Periodic Ordered Structures: From Zeolites and Metal–Organic Frameworks to Liquid‐Crystal‐Templated Mesoporous Materials

Cho¹,

Ishida²

2017

Advanced Materials

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Porous materials with molecular‐sized periodic structures, as exemplified by zeolites, metal–organic frameworks, or mesoporous silica, have attracted increasing attention due to their range of applications in storage, sensing, separation, and transformation of small molecules. Although the components of such porous materials have a tendency to pack in unidirectionally oriented periodic structures, such ideal types of packing cannot continue indefinitely, generally ceasing when they reach a micrometer scale. Consequently, most porous materials are composed of multiple randomly oriented domains, and overall behave as isotropic materials from a macroscopic viewpoint. However, if their channels could be unidirectionally oriented over a macroscopic scale, the resultant porous materials might serve as powerful tools for manipulating molecules. Guest molecules captured in macroscopically oriented channels would have their positions and directions well‐defined, so that molecular events in the channels would proceed in a highly controlled manner. To realize such an ideal situation, numerous efforts have been made to develop various porous materials with macroscopically oriented channels. An overview of recent studies on the synthesis, properties, and applications of macroscopically oriented porous materials is presented.

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Section: Methods For Macroscopic Orientation Of Porous Materialsmentioning

confidence: 99%

Macroscopically Oriented Porous Materials with Periodic Ordered Structures: From Zeolites and Metal–Organic Frameworks to Liquid‐Crystal‐Templated Mesoporous Materials

Cho¹,

Ishida²

2017

Advanced Materials

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“… 208 Organic polar nanocrystals can be effectively polarized and orientated in polymer matrices under a direct-current electric field, functioning as an electro-optic material for fast and high-capacity optical information processing. 209 Therefore, Xene nanosheets with intrinsic anisotropy exhibit great alignment potential under external electric or magnetic fields. 210 Mechanical strain can also change the alignment of additives under a load transfer medium, i.e., the polymer can increase the ductility for large plastic deformation.…”

Section: Conclusion and Future Outlookmentioning

confidence: 99%

The marriage of Xenes and hydrogels: Fundamentals, applications, and outlook

et al. 2022

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“…[164,167] The application of external electric fields may also produce alignment in thin composite structures in a manner similar to magnetic field alignment. [168][169][170][171] A challenge of using magnetic and electric fields for structural organization of composites is the limitation to nanomaterials that have inherent magnetic or electrical responses. Directional freezing offers a more general method to induce alignment.…”

Section: Ordered Hydrogel Castingmentioning

confidence: 99%

Advancing Engineered Heart Muscle Tissue Complexity with Hydrogel Composites

Dickerson

2022

Advanced Biology

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A heart attack results in the permanent loss of heart muscle and can lead to heart disease, which kills more than 7 million people worldwide each year. To date, outside of heart transplantation, current clinical treatments cannot regenerate lost heart muscle or restore full function to the damaged heart. There is a critical need to create engineered heart tissues with structural complexity and functional capacity needed to replace damaged heart muscle. The inextricable link between structure and function suggests that hydrogel composites hold tremendous promise as a biomaterial‐guided strategy to advance heart muscle tissue engineering. Such composites provide biophysical cues and functionality as a provisional extracellular matrix that hydrogels cannot on their own. This review describes the latest advances in the characterization of these biomaterial systems and using them for heart muscle tissue engineering. The review integrates results across the field to provide new insights on critical features within hydrogel composites and perspectives on the next steps to harnessing these promising biomaterials to faithfully reproduce the complex structure and function of native heart muscle.

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Effective polar orientation of organic polar nanocrystals and their fixation in polymer matrices

Cited by 15 publications

References 24 publications

Macroscopically Oriented Porous Materials with Periodic Ordered Structures: From Zeolites and Metal–Organic Frameworks to Liquid‐Crystal‐Templated Mesoporous Materials

Macroscopically Oriented Porous Materials with Periodic Ordered Structures: From Zeolites and Metal–Organic Frameworks to Liquid‐Crystal‐Templated Mesoporous Materials

The marriage of Xenes and hydrogels: Fundamentals, applications, and outlook

Advancing Engineered Heart Muscle Tissue Complexity with Hydrogel Composites

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