Random auxetics from buckling fibre networks

Domaschke, Sebastian; Morel, Alexandre; Fortunato, Giuseppino; Ehret, Alexander E.

doi:10.1038/s41467-019-12757-7

Cited by 39 publications

(19 citation statements)

References 48 publications

(58 reference statements)

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“…Nevertheless, many key questions have not yet been addressed, or at least not fully. Mathematical modeling of mechanobiology is a fast growing field and could help tremendously in understanding the foundations of mechanical homeostasis (Holzapfel et al 2000;Wakatsuki et al 2000;Humphrey and Rajagopal 2002;Watton et al 2004;Marquez et al 2005;Mauri et al 2016;Loerakker et al 2016;Cyron et al 2016;Braeu et al 2017;Ban et al 2019;Domaschke et al 2019;Eichinger et al 2021a, b). To support mathematical modeling, it will be particularly important to collect larger sets of reliable quantitative experimental data, especially about bi-or triaxial mechanical states.…”

Section: Discussionmentioning

confidence: 99%

Mechanical homeostasis in tissue equivalents: a review

Eichinger

Haeusel

Paukner

et al. 2021

Biomech Model Mechanobiol

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There is substantial evidence that growth and remodeling of load bearing soft biological tissues is to a large extent controlled by mechanical factors. Mechanical homeostasis, which describes the natural tendency of such tissues to establish, maintain, or restore a preferred mechanical state, is thought to be one mechanism by which such control is achieved across multiple scales. Yet, many questions remain regarding what promotes or prevents homeostasis. Tissue equivalents, such as collagen gels seeded with living cells, have become an important tool to address these open questions under well-defined, though limited, conditions. This article briefly reviews the current state of research in this area. It summarizes, categorizes, and compares experimental observations from the literature that focus on the development of tension in tissue equivalents. It focuses primarily on uniaxial and biaxial experimental studies, which are well-suited for quantifying interactions between mechanics and biology. The article concludes with a brief discussion of key questions for future research in this field.

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Section: Discussionmentioning

confidence: 99%

Mechanical homeostasis in tissue equivalents: a review

Eichinger

Haeusel

Paukner

et al. 2021

Biomech Model Mechanobiol

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“…The aforementioned two metal 3D printing techniques are the powder‐based manufacturing processes where electron beam or laser is applied to selectively melt metallic powder layer by layer, and melt powder bonds together to form the final 3D structure. In addition to these typical AM methods, several novel 3D printing techniques have been also explored to fabricate AMMs, such as direct‐write 3D printing, 3D laser microprinting, and electrospinning . Buckmann et al applied a new approach called “dip‐in” 3D direct laser writing (DLW) for fabricating 3D re‐entrant structures with submicrometer scale.…”

Section: Manufacturing Methods and Materialsmentioning

confidence: 99%

“…In addition to these typical AM methods, several novel 3D printing techniques have been also explored to fabricate AMMs, such as direct-write 3D printing, [134] 3D laser microprinting, [50] and electrospinning. [135,136] Buckmann et al [137] applied a new approach called "dip-in" 3D direct laser writing (DLW) for fabricating 3D re-entrant structures with submicrometer scale. This approach completely overcame the limitation that usual 3D DLW could only print structures with tens of micrometer height.…”

Section: Additive Manufacturingmentioning

confidence: 99%

Progress in Auxetic Mechanical Metamaterials: Structures, Characteristics, Manufacturing Methods, and Applications

et al. 2020

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Auxetic mechanical metamaterials (AMMs), as an exciting paradigm of metamaterials, have attracted increasing attention due to their interesting mechanical properties (e.g. negative Poisson's ratio), as well as the emergence of advanced manufacturing technology (e.g. 3D printing). Although various reviews on AMMs, their structures, properties, and applications, have existed, it still lacks a comprehensive review in terms of manufacturing methods. Herein, the latest progress in AMMs is extensively reviewed, including AMMs' structures, characteristics, manufacturing methods, and applications. In addition, the current challenges and future works of AMMs are concluded and discussed. This Review aims to serve as a collection of knowledge that supplies more comprehensive understanding and inspiration to support further developments of AMMs from the perspective of design and manufacturing.

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“…Recently, studies have identified the benefits of using auxetic materials in skin healing [85]. Skin healing is facilitated by the migration of cells to the wound site.…”

Section: Liquid Crystal Elastomers For Biomedical Applicationsmentioning

confidence: 99%

Liquid Crystal Elastomers for Biological Applications

et al. 2021

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The term liquid crystal elastomer (LCE) describes a class of materials that combine the elastic entropy behaviour associated with conventional elastomers with the stimuli responsive properties of anisotropic liquid crystals. LCEs consequently exhibit attributes of both elastomers and liquid crystals, but additionally have unique properties not found in either. Recent developments in LCE synthesis, as well as the understanding of the behaviour of liquid crystal elastomers—namely their mechanical, optical and responsive properties—is of significant relevance to biology and biomedicine. LCEs are abundant in nature, highlighting the potential use of LCEs in biomimetics. Their exceptional tensile properties and biocompatibility have led to research exploring their applications in artificial tissue, biological sensors and cell scaffolds by exploiting their actuation and shock absorption properties. There has also been significant recent interest in using LCEs as a model for morphogenesis. This review provides an overview of some aspects of LCEs which are of relevance in different branches of biology and biomedicine, as well as discussing how recent LCE advances could impact future applications.

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Random auxetics from buckling fibre networks

Cited by 39 publications

References 48 publications

Mechanical homeostasis in tissue equivalents: a review

Mechanical homeostasis in tissue equivalents: a review

Progress in Auxetic Mechanical Metamaterials: Structures, Characteristics, Manufacturing Methods, and Applications

Liquid Crystal Elastomers for Biological Applications

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