Self-healable macro-/microscopic shape memory hydrogels based on supramolecular interactions

Meng, Hao; Xiao, Peng; Gu, Jincui; Wen, Xiufang; Xu, Jie; Zhao, Chuanzhuang; Zhang, Jiawei; Chen, Tao

doi:10.1039/c4cc04760e

Cited by 179 publications

(144 citation statements)

References 35 publications

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“…For example, supramolecular interactions have been used to expand the biomimetic capabilities of such materials by giving them the ability to rapidly self-heal and exhibit high mechanical strength in addition to demonstrating shape memory. [17,18] The triggered changes in conformation and functional behavior demonstrated in engineered assembly approaches are also reversible, similar to the self-assembly approaches described above, providing an attractive alternative for manufacturing more complex 3D structures.…”

Section: Engineered Assembly Of Bioinspired Materialsmentioning

confidence: 83%

Biomimicry, Biofabrication, and Biohybrid Systems: The Emergence and Evolution of Biological Design

Raman

Bashir

2017

Adv Healthcare Materials

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how the concept of bioinspiration, or imitating biological design and functionality in synthetic materials, created a new class of "smart" biomimetic materials. Then, we shall discuss how the continuing development of enabling manufacturing technologies, such as 3D printing and microfluidics, has established the separate subdiscipline of biofabrication for tissue engineering, or "building with biology." Finally, we shall investigate the convergence of these two fields into the emerging discipline of biohybrid design, the use of biological materials to power non-natural functional behaviors in synthetic machines. Throughout this report, we will revisit a single class of materials, hydrogels, as a case study of biological design in the context of each subfield, and discuss how the constraints, underlying principles, and end-use applications differ in each case. We will also discuss ethical considerations of biological design, with a special focus on forward engineering non-natural or hypernatural functional behaviors in biohybrid systems. We will conclude with recommendations for implementing biological design into educational curricula, ensuring effective and responsible practices for the next generation of engineers and scientists. Biomimicry and Bioinspired DesignA deeper understanding of the underlying design principles that govern biological systems has inspired the field of biomimicry. [1,2] Observing adaptive phenomena in nature, scientists and engineers have sought to extract the components of biological design responsible for this behavior and replicate the behavior in synthetic materials. Fundamentally, this involves understanding the building blocks or base units from which a biological material is built, the hierarchical assembly of these building blocks, and the interactions and interfaces between them.In this section, we will discuss strategies that engineers and scientists have employed to engineer bioinspired hierarchy, from bottom-up self-assembly and top-down engineered assembly. We will present several key demonstrations of stimulus-responsive hydrogels ranging from the micro-to the macroscale, and investigate novel demonstrations in biomimetic actuation and movement. We will conclude with the remaining challenges in the field of biomimicry and discuss the potential future impact of bioinspired design.The discipline of biological design has a relatively short history, but has undergone very rapid expansion and development over that time. This Progress Report outlines the evolution of this field from biomimicry to biofabrication to biohybrid systems' design, showcasing how each subfield incorporates bioinspired dynamic adaptation into engineered systems. Ethical implications of biological design are discussed, with an emphasis on establishing responsible practices for engineering non-natural or hypernatural functional behaviors in biohybrid systems. This report concludes with recommendations for implementing biological design into educational curricula, ensuring effective and responsible practice...

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Section: Engineered Assembly Of Bioinspired Materialsmentioning

confidence: 83%

Biomimicry, Biofabrication, and Biohybrid Systems: The Emergence and Evolution of Biological Design

Raman

Bashir

2017

Adv Healthcare Materials

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“…In our previous work, we have also successfully applied alginate–Ca 2+ coordination to achieve a shape memory hydrogel. 33 Although constructing SMPs on the basis of supramolecular switches is an efficient way to realize shape deformation and recovery independent of heat, there are still some challenges to develop high mechanical strength, and multi-shape memory supramolecular hydrogels for real potential applications.…”

Section: Introductionmentioning

confidence: 99%

Stretchable supramolecular hydrogels with triple shape memory effect

et al. 2016

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“…Because of the complex synthesis and corresponding response of BA-containing (co)polymers, multiple publications focus on the principles and control over the responsiveness while only suggesting possible applications. The papers that will be discussed in the first part of this review mostly aim at understanding the responsive polymeric phase transition characteristics of BA-containing (co)polymers and occasionally highlight their potential in, e.g., responsive surfaces [7,8], self-healable materials [9,10,11] or affinity chromatography. Specific examples of BA-containing (co)polymers in drug delivery and sensory applications will be discussed in the second and third part of this review, respectively.…”

Section: Introductionmentioning

confidence: 99%

Responsive Boronic Acid-Decorated (Co)polymers: From Glucose Sensors to Autonomous Drug Delivery

Vancoillie

Hoogenboom

2016

Sensors

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Boronic acid-containing (co)polymers have fascinated researchers for decades, garnering attention for their unique responsiveness toward 1,2- and 1,3-diols, including saccharides and nucleotides. The applications of materials that exert this property are manifold including sensing, but also self-regulated drug delivery systems through responsive membranes or micelles. In this review, some of the main applications of boronic acid containing (co)polymers are discussed focusing on the role of the boronic acid group in the response mechanism. We hope that this summary, which highlights the importance and potential of boronic acid-decorated polymeric materials, will inspire further research within this interesting field of responsive polymers and polymeric materials.

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Self-healable macro-/microscopic shape memory hydrogels based on supramolecular interactions

Cited by 179 publications

References 35 publications

Biomimicry, Biofabrication, and Biohybrid Systems: The Emergence and Evolution of Biological Design

Biomimicry, Biofabrication, and Biohybrid Systems: The Emergence and Evolution of Biological Design

Stretchable supramolecular hydrogels with triple shape memory effect

Responsive Boronic Acid-Decorated (Co)polymers: From Glucose Sensors to Autonomous Drug Delivery

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