Basic Principles in the Design of Spider Silk Fibers

The prominence of spider silk as a hallmark in biomimetics relies not only on its unrivalled mechanical properties, but also on how these properties are the result of a set of original design principles. In this sense, the study of spider silk summarizes most of the main topics relevant to the field...

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Main Authors: José Pérez-Rigueiro, Manuel Elices, Gustavo R. Plaza, Gustavo V. Guinea
Format: Article
Language:English
Published: MDPI AG 2021-03-01
Series:Molecules
Subjects:
Online Access:https://www.mdpi.com/1420-3049/26/6/1794
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author José Pérez-Rigueiro
Manuel Elices
Gustavo R. Plaza
Gustavo V. Guinea
author_facet José Pérez-Rigueiro
Manuel Elices
Gustavo R. Plaza
Gustavo V. Guinea
author_sort José Pérez-Rigueiro
collection DOAJ
description The prominence of spider silk as a hallmark in biomimetics relies not only on its unrivalled mechanical properties, but also on how these properties are the result of a set of original design principles. In this sense, the study of spider silk summarizes most of the main topics relevant to the field and, consequently, offers a nice example on how these topics could be considered in other biomimetic systems. This review is intended to present a selection of some of the essential design principles that underlie the singular microstructure of major ampullate gland silk, as well as to show how the interplay between them leads to the outstanding tensile behavior of spider silk. Following this rationale, the mechanical behavior of the material is analyzed in detail and connected with its main microstructural features, specifically with those derived from the semicrystalline organization of the fibers. Establishing the relationship between mechanical properties and microstructure in spider silk not only offers a vivid image of the paths explored by nature in the search for high performance materials, but is also a valuable guide for the development of new artificial fibers inspired in their natural counterparts.
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spelling doaj.art-a42cffa1cef94cdd82f0085d35e59c782023-11-21T11:35:55ZengMDPI AGMolecules1420-30492021-03-01266179410.3390/molecules26061794Basic Principles in the Design of Spider Silk FibersJosé Pérez-Rigueiro0Manuel Elices1Gustavo R. Plaza2Gustavo V. Guinea3Centro de Tecnología Biomédica, Universidad Politécnica de Madrid, 28223 Madrid, SpainCentro de Tecnología Biomédica, Universidad Politécnica de Madrid, 28223 Madrid, SpainCentro de Tecnología Biomédica, Universidad Politécnica de Madrid, 28223 Madrid, SpainCentro de Tecnología Biomédica, Universidad Politécnica de Madrid, 28223 Madrid, SpainThe prominence of spider silk as a hallmark in biomimetics relies not only on its unrivalled mechanical properties, but also on how these properties are the result of a set of original design principles. In this sense, the study of spider silk summarizes most of the main topics relevant to the field and, consequently, offers a nice example on how these topics could be considered in other biomimetic systems. This review is intended to present a selection of some of the essential design principles that underlie the singular microstructure of major ampullate gland silk, as well as to show how the interplay between them leads to the outstanding tensile behavior of spider silk. Following this rationale, the mechanical behavior of the material is analyzed in detail and connected with its main microstructural features, specifically with those derived from the semicrystalline organization of the fibers. Establishing the relationship between mechanical properties and microstructure in spider silk not only offers a vivid image of the paths explored by nature in the search for high performance materials, but is also a valuable guide for the development of new artificial fibers inspired in their natural counterparts.https://www.mdpi.com/1420-3049/26/6/1794spider silkmechanical propertiesX ray diffractionspider silk standardization initiative (S3I)
spellingShingle José Pérez-Rigueiro
Manuel Elices
Gustavo R. Plaza
Gustavo V. Guinea
Basic Principles in the Design of Spider Silk Fibers
Molecules
spider silk
mechanical properties
X ray diffraction
spider silk standardization initiative (S3I)
title Basic Principles in the Design of Spider Silk Fibers
title_full Basic Principles in the Design of Spider Silk Fibers
title_fullStr Basic Principles in the Design of Spider Silk Fibers
title_full_unstemmed Basic Principles in the Design of Spider Silk Fibers
title_short Basic Principles in the Design of Spider Silk Fibers
title_sort basic principles in the design of spider silk fibers
topic spider silk
mechanical properties
X ray diffraction
spider silk standardization initiative (S3I)
url https://www.mdpi.com/1420-3049/26/6/1794
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