Designing Bioinspired Materials With Tunable Structures And Properties From Natural And Synthetic Polymers
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Designing Bioinspired Materials With Tunable Structures And Properties From Natural And Synthetic Polymers
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Author : Anandavalli Varadarajan
language : en
Publisher:
Release Date : 2023
Designing Bioinspired Materials With Tunable Structures And Properties From Natural And Synthetic Polymers written by Anandavalli Varadarajan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023 with categories.
Biological systems are composed of complex materials which are responsible for performing various functions, such as providing structural support, mobility, functional adaptation to the environment, damage repair, and self-healing. These complex materials display excellent mechanical properties and can rapidly adapt to external stimuli. Thus, nature inspires in terms of source materials, functions, and designs to develop new-generation structural and functional materials. Polymers (natural or synthetic) are excellent sources of developing materials to mimic the functions of soft segments in biological systems. This dissertation focuses on synthesizing and characterizing two different materials with tunable structures and properties: complexes from natural polysaccharides or polyelectrolytes and bioinspired hydrogels from synthetic polymers. Oppositely charged polyelectrolytes can form polyelectrolyte complexes (PECs) due to the electrostatic interactions. The structure and properties of PECs can be tuned by varying the salt concentration, as the addition of salt can facilitate associative phase separation. PECs were prepared from two biopolymers, positively charged chitosan and negatively charged alginate. Rheological experiments for the complexes displayed a tunable shear modulus with changing salt concentrations. The microstructural study conducted using small-angle X-ray scattering provided insights regarding the length scales of these complexes, and the results follow the observed rheological and phase behavior. Elastic biopolymers such as resilin display remarkable mechanical properties, including high stretchability and resilience, which many species exploit in nature for mechanical energy storage to facilitate their movement. Such properties of resilin have been attributed to the balanced combination of hydrophilic and hydrophobic segments present in the chain. In this work, we synthesized hydrogels with hydrophilic and hydrophobic components to mimic the properties of resilin. With this system, we determined the tensile, retraction (ability to revert to the original state after stretching), and swelling properties when (i) the concentration of the hydrophobic polymer was varied and (ii) additional hydrophobic components were included. The stretchability, stiffness, and strength of the gels varied as the compositions were altered. The fundamental understanding of the structure-property-function relationship for materials presented in this work provides insights into engineering materials for applications such as tissue engineering, drug delivery, wound healing, artificial muscles, soft robotics, and power amplification.
Bioinspired Materials Science And Engineering
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Author : Guang Yang
language : en
Publisher: John Wiley & Sons
Release Date : 2018-08-21
Bioinspired Materials Science And Engineering written by Guang Yang and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-08-21 with Technology & Engineering categories.
An authoritative introduction to the science and engineering of bioinspired materials Bioinspired Materials Science and Engineering offers a comprehensive view of the science and engineering of bioinspired materials and includes a discussion of biofabrication approaches and applications of bioinspired materials as they are fed back to nature in the guise of biomaterials. The authors also review some biological compounds and shows how they can be useful in the engineering of bioinspired materials. With contributions from noted experts in the field, this comprehensive resource considers biofabrication, biomacromolecules, and biomaterials. The authors illustrate the bioinspiration process from materials design and conception to application of bioinspired materials. In addition, the text presents the multidisciplinary aspect of the concept, and contains a typical example of how knowledge is acquired from nature, and how in turn this information contributes to biological sciences, with an accent on biomedical applications. This important resource: Offers an introduction to the science and engineering principles for the development of bioinspired materials Includes a summary of recent developments on biotemplated formation of inorganic materials using natural templates Illustrates the fabrication of 3D-tumor invasion models and their potential application in drug assessments Explores electroactive hydrogels based on natural polymers Contains information on turning mechanical properties of protein hydrogels for biomedical applications Written for chemists, biologists, physicists, and engineers, Bioinspired Materials Science and Engineering contains an indispensible resource for an understanding of bioinspired materials science and engineering.
Design And Synthesis Of Biomimetic Polymers As Biomaterials
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Author : Ting-Bin Yu
language : en
Publisher:
Release Date : 2011
Design And Synthesis Of Biomimetic Polymers As Biomaterials written by Ting-Bin Yu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.
The first four chapters of this dissertation describes the application of alkyne-azide cycloaddition (the so-called "click" chemistry) to efficiently construct a beta-sheet polymer. Inspired by nature, there had been much interest in the development of synthetic peptides that have the beta-sheet secondary structure which can undergo self-assembly to prepare of well-defined materials with advanced properties. Despite significant progress being made in the area of designing discrete short peptidomimetic oligomers with beta-sheet structures, design of synthetic polymers that can efficiently self-assembly into predictable well-defined beta-sheets and hierarchical nanostructures remains elusive. Herein, we have demonstrated the first example of Cu(I)-catalyzed azide-alkyne cycloaddition-induced folding of a synthetic polymer into well-defined beta-sheets and further assembly into hierarchical nanofibrils. Furthermore, by simply switching to hydrophilic strand of the monomer, the network of nanofibrils can further constitute a rigid hydrogel. The efficiency and versatility of the click chemistry also allows us for further design of more complex polymer materials. A de novo designed copolymer that is composed of the beta-sheet motif with other elastic folding motifs (beta-spiral structure) has been prepared to mimic spider-silk structure with tunable advanced physical properties. The last chapter of this dissertation describes the development of a new synthetic saccharride-peptide copolymer as a highly functional extracellular matrices for tissue engineering application. For tissue engineering applications, the ideal synthetic scaffolds should be biocompatible, non-immunogenic, pathogen-free, be biochemically defined for reproducibility and support the regeneration of the specific tissue type. Here, we have combined the positive properties of both natural and synthetic biomaterials and generated a saccharide-peptide hydrogel that is synthetically simple and highly functional. Composed of all natural building blocks, namely galataric acid and lysine, tyrosine was incorporated onto the backbone as a handle for crosslinking the polymer through the formation of dityrosine, a naturally occurring crosslinker found in proteins. By simply varying the crosslinking time, the resulting hydrogel is able to induce tailored cellular responses with minimal cytotoxic. Due to the versatility of our biomaterials, thiol-ene crosslinking chemistry was also utilized in saccharride-peptide copolymer to facilitate the hydrogel formation. Thiol-ene conjugated addition reaction has been known as "click" process that occurs without any additives. Hydrogel mechanical properties were tunable by varying vinyl sulfone (VS): cysteine (Cys) ratio as well as pH of the cross-linking components. In addition, mesenchymal stem cells (MSCs) were cultured in 3D for up to 28 days in vitro without deleterious effects on cell viability. These will allow us to program chemical, physical, and biological information into our hydrogels to control stem cell differentiation.
Bio Inspired Polymers
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Author : Nico Bruns
language : en
Publisher: Royal Society of Chemistry
Release Date : 2016-10-14
Bio Inspired Polymers written by Nico Bruns and has been published by Royal Society of Chemistry this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-10-14 with Science categories.
Many key aspects of life are based on naturally occurring polymers, such as polysaccharides, proteins and DNA. Unsurprisingly, their molecular functionalities, macromolecular structures and material properties are providing inspiration for designing new polymeric materials with specific functions, for example, responsive, adaptive and self-healing materials. Bio-inspired Polymers covers all aspects of the subject, ranging from the synthesis of novel polymers, to structure-property relationships, materials with advanced properties and applications of bio-inspired polymers in such diverse fields as drug delivery, tissue engineering, optical materials and lightweight structural materials. Written and edited by leading experts on the topic, the book provides a comprehensive review and essential graduate level text on bio-inspired polymers for biochemists, materials scientists and chemists working in both industry and academia.
Bioinspired Structures And Design
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Author : Wole Soboyejo
language : en
Publisher: Cambridge University Press
Release Date : 2020-09-17
Bioinspired Structures And Design written by Wole Soboyejo and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-09-17 with Science categories.
Human cortical bone as a structural material : Hierarchical design and biological degradation / Robert Ritchie and Elizabeth A. Zimmermann -- Bio-inspiration from nacre / Nima Rahbar and Sina Askarinejad -- Bio-inspiration from bamboo / Ting Tan and Wole Soboyejo.
Natural And Synthetic Biomedical Polymers
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Author : Sangamesh G. Kum bar
language : en
Publisher: Newnes
Release Date : 2014-01-21
Natural And Synthetic Biomedical Polymers written by Sangamesh G. Kum bar and has been published by Newnes this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-01-21 with Technology & Engineering categories.
Polymers are important and attractive biomaterials for researchers and clinical applications due to the ease of tailoring their chemical, physical and biological properties for target devices. Due to this versatility they are rapidly replacing other classes of biomaterials such as ceramics or metals. As a result, the demand for biomedical polymers has grown exponentially and supports a diverse and highly monetized research community. Currently worth $1.2bn in 2009 (up from $650m in 2000), biomedical polymers are expected to achieve a CAGR of 9.8% until 2015, supporting a current research community of approximately 28,000+. Summarizing the main advances in biopolymer development of the last decades, this work systematically covers both the physical science and biomedical engineering of the multidisciplinary field. Coverage extends across synthesis, characterization, design consideration and biomedical applications. The work supports scientists researching the formulation of novel polymers with desirable physical, chemical, biological, biomechanical and degradation properties for specific targeted biomedical applications. Combines chemistry, biology and engineering for expert and appropriate integration of design and engineering of polymeric biomaterials Physical, chemical, biological, biomechanical and degradation properties alongside currently deployed clinical applications of specific biomaterials aids use as single source reference on field. 15+ case studies provides in-depth analysis of currently used polymeric biomaterials, aiding design considerations for the future
Emerging Research On Bioinspired Materials Engineering
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Author : Bououdina, Mohamed
language : en
Publisher: IGI Global
Release Date : 2016-02-19
Emerging Research On Bioinspired Materials Engineering written by Bououdina, Mohamed and has been published by IGI Global this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-02-19 with Technology & Engineering categories.
Bioinspired materials can be defined as the organic or inorganic materials that mimic naturally occurring substances. With applications in a number of fields such as biomedical, chemical, mechanical, and civil engineering, research on the development of biologically-inspired materials is essential to further advancement. Emerging Research on Bioinspired Materials Engineering provides insight on fabrication strategies for bioinspired materials as well as a collective review of their current and prospective applications. Highlighting essential research on bioinspired processes and the nano-structural, physical, chemical, thermal, and mechanical aspects of biologically-inspired materials, this timely publication is an ideal reference source for engineers, researchers, scholars, and graduate students in the fields of materials science and engineering, nanotechnology, biotechnology, and biomedical materials science.
Handbook Of Bioceramics And Biocomposites
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Author : Iulian Vasile Antoniac
language : en
Publisher: Springer
Release Date : 2016-05-05
Handbook Of Bioceramics And Biocomposites written by Iulian Vasile Antoniac and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-05-05 with Technology & Engineering categories.
This handbook describes several current trends in the development of bioceramics and biocomposites for clinical use in the repair, remodelling, and regeneration of bone tissue. Comprehensive coverage of these materials allows fundamental aspects of the science and engineering to be seen in close relation to the clinical performance of dental and orthopaedic implants. Bioceramics and biocomposites appear to be the most dynamic area of materials development for both tissue engineering and implantable medical devices. Almost all medical specialties will continue to benefit from these developments, but especially dentistry and orthopaedics. In this Handbook, leading researchers describe the use of bionanomaterials to create new functionalities when interfaced with biological molecules or structures. Also described are technologies for bioceramics and biocomposites processing in order to fabricate medical devices for clinical use. Another important section of the book is dedicated to tissue regeneration with development of new matrices. A targeted or personalized treatment device reduces drug consumption and treatment expenses, resulting in benefits to the patient and cost reductions for public health systems. This authoritative reference on the state-of-the-art in the development and use of bioceramics and biocomposites can also serve as the basis of instructional course lectures for audiences ranging from advanced undergraduate students to post-graduates in materials science and engineering and biomedical engineering.
Bio Inspired Materials
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Author : Ulisses Targino Bezerra
language : en
Publisher: Bentham Science Publishers
Release Date : 2019-04-16
Bio Inspired Materials written by Ulisses Targino Bezerra and has been published by Bentham Science Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-04-16 with Architecture categories.
Nature has provided opportunities for scientists to observe patterns in biomaterials which can be imitated when designing construction materials. Materials designed with natural elements can be robust and environment friendly at the same time. Advances in our understanding of biology and materials science coupled with the extensive observation of nature have stimulated the search for better accommodation/compression of materials and the higher organization/reduction of mechanical stress in man-made structures. Bio-Inspired Materials is a collection of topics that explore frontiers in 3 sections of bio-inspired design: (i) bionics design, (ii) bio-inspired construction, and (iii) bio-materials. Chapters in each section address the most recent advances in our knowledge about the desired and expected relationship between humans and nature and its use in bio-inspired buildings. Readers will also be introduced to new concepts relevant to bionics, biomimicry, and biomimetics. Section (i) presents research concepts based on information gained from the direct observation of nature and its applications for human living. Section (ii) is devoted to ‘artificial construction’ of the Earth. This section addresses issues on geopolymers, materials that resemble the structure of soils and natural rocks; procedures that reduce damage caused by earthquakes in natural construction, the development of products from vegetable resins and construction principles using bamboo. The last section takes a look into the future towards the improvement of human living conditions. Bio-Inspired Materials offers readers - having a background in architecture, civil engineering and systems biology - a new perspective about sustainable building which is a key part of addressing the environmental concerns of current times.
Biopolymer Composites In Electronics
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Author : Kishor Kumar Sadasivuni
language : en
Publisher: Elsevier
Release Date : 2016-09-10
Biopolymer Composites In Electronics written by Kishor Kumar Sadasivuni and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-09-10 with Science categories.
Biopolymer Composites in Electronics examines the current state-of-the-art in the electronic application based on biopolymer composites. Covering the synthesis, dispersion of fillers, characterization and fabrication of the composite materials, the book will help materials scientists and engineers address the challenges posed by the increased use of biopolymeric materials in electronic applications. The influence of preparation techniques on the generation of micro, meso, and nanoscale fillers, and the effect of filler size and dispersion on various biopolymers are discussed in detail. Applications covered include sensors, actuators, optics, fuel cells, photovoltaics, dielectrics, electromagnetic shielding, piezoelectrics, flexible displays, and microwave absorbers. In addition, characterization techniques are discussed and compared, enabling scientists and engineers to make the correct choice of technique. This book is a ‘one-stop’ reference for researchers, covering the entire state-of-the-art in biopolymer electronics. Written by a collection of expert worldwide contributors from industry, academia, government, and private research institutions, it is an outstanding reference for researchers in the field of biopolymer composites for advanced technologies. Enables researchers to keep up with the rapid development of biopolymer electronics, which offer light, flexible, and more cost-effective alternatives to conventional materials of solar cells, light-emitting diodes, and transistors Includes thorough coverage of the physics and chemistry behind biopolymer composites, helping readers to become rapidly acquainted with the fiel Provides in-depth information on the range of biopolymer applications in electronics, from printed flexible conductors and novel semiconductor components, to intelligent labels, large area displays, and solar panels