<i>Bombyx mori</i>Silk Fibers: An Outstanding Family of Materials

Pereira, Rui F. P.; Silva, Maria Manuela; Bermúdez, V. de Zea

doi:10.1002/mame.201400276

Cited by 100 publications

(105 citation statements)

References 236 publications

(430 reference statements)

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“…Whereas silk II is characterized by an antiparallel β‐sheet structure, silk I occurs as a metastable state between a partial ordered α‐helix and the β‐sheet structures. Silk III is formed at air–liquid interfaces . The β‐sheet crystals of the silk II structure are the most stable protein secondary structures .…”

Section: Resultsmentioning

confidence: 99%

“…In recent years, the scientific community has recognized that silks can be a rich source of inspiration for the design of new materials with tailored properties, enhanced performance, and high added value for targeted applications, opening exciting new prospects in the domain of materials science and related technological fields, including biofriendly integration, miniaturization, and multifunctionalization . Extraordinary mechanical properties, self‐assembly, machinability, biocompatibility, and controllable biodegradability are some of the intrinsic characteristics of silk, transforming it into a quite outstanding material and overtaking other biopolymers and even some synthetic polymers.…”

Section: Introductionmentioning

confidence: 99%

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Smart Windows Prepared from Bombyx mori Silk

et al. 2016

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We introduce a bioinspired strategy for the synthesis of green polymer electrolytes (PEs) that relies on the use of silk fibroin (SF). The two series of PEs prepared, doped with lithium bis(trifluoromethanesulfonyl)imide or lithium tetrafluoroborate and incorporating glycerol, exhibited outstanding filmogenic properties, very high transparency, and suitable adhesion to glass substrates. Despite their poor ionic conductivity, the SF‐based films were employed in the construction of glass/ITO/WO3/PE/CeO2–TiO2/ITO/glass electrochromic devices displaying an optical modulation up to 5.5 % at λ=633 nm, a switching speed of about 15 s, stability up to 5160 cycles, and coloration efficiency up to −53.1 m2 C−1. This work, in which we provide the proof‐of‐concept, paves the way for new design approaches for silk‐based materials, which would enlarge the range of applications of SF to the energy field.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Smart Windows Prepared from Bombyx mori Silk

et al. 2016

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“…Fibroin accounts for the major composition (>70% weight) of silkworm silk. Its primary structure can be approximately attributed to a composition of glycine (Gly), alanine (Ala), and serine (Ser) with a sequence of (-Gly-SerGly-Ala-Gly-Ala-) n , as illustrated in Figure 2 c. [ 61,76 ] Fibroin possesses a high molecular weight, consisting of repetitive crystalline hydrophobic heavy chains (ca. 390 kDa) and noncrystalline hydrophilic light chains (ca.…”

Section: Introductionmentioning

confidence: 99%

“…Sericin, constituting 25-30% of the weight of silk, is a water-soluble protein secreted by the caterpillar to glue the fi broin fi bers into a cocoon. [ 58,61 ] Sericin is often removed during the de-gumming process through boiling an alkaline solution and is subsequently discarded, as it causes immunity responses in humans. [ 51 ] After the removal of sericin, silkfi broin fi bers can be dissolved in aqueous solution with chaotropic agents.…”

Section: Introductionmentioning

confidence: 99%

Silk Fibroin for Flexible Electronic Devices

et al. 2015

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Flexible electronic devices are necessary for applications involving unconventional interfaces, such as soft and curved biological systems, in which traditional silicon-based electronics would confront a mechanical mismatch. Biological polymers offer new opportunities for flexible electronic devices by virtue of their biocompatibility, environmental benignity, and sustainability, as well as low cost. As an intriguing and abundant biomaterial, silk offers exquisite mechanical, optical, and electrical properties that are advantageous toward the development of next-generation biocompatible electronic devices. The utilization of silk fibroin is emphasized as both passive and active components in flexible electronic devices. The employment of biocompatible and biosustainable silk materials revolutionizes state-of-the-art electronic devices and systems that currently rely on conventional semiconductor technologies. Advances in silk-based electronic devices would open new avenues for employing biomaterials in the design and integration of high-performance biointegrated electronics for future applications in consumer electronics, computing technologies, and biomedical diagnosis, as well as human-machine interfaces.

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“…INTRODUCTION Silk, a natural fiber produced by Bombyx mori silkworm, appears shiny and feels soft to the touch, and has been traditionally used as a high-end textile fiber for centuries. [1][2][3] Silk fibroin, the major component of silk, is endowed with a combination of impressive mechanical properties as well as good biocompatibility and biodegradability. [4][5][6] Furthermore, silk fibroin can be processed into different forms including sponges, hydrogels, films, and mats due to the versatile processability.…”

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Fabrication of silk fibroin film with properties of thermal insulation and temperature monitoring

Zhao

Wang

Luo

et al. 2016

J. Polym. Sci. Part B: Polym. Phys.

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Silk fibroin exhibits excellent mechanical properties, good biocompatibility, and biodegradability combined with benign processing conditions, attracting considerable research interest for the application as biomedical materials. Among the diverse forms of sponges, hydrogels, films, and mats manufactured from silk fibroin, films are especially appealing due to the high water and oxygen permeability, good cell attachment, and low immunogenicity. Fabrication of silk fibroin films with novel properties has been successfully developed simply by incorporating various functional components into it. In the present study, the properties of thermal insulation and temperature monitoring for the silk fibroin film are demonstrated for the first time through the incorporation of thermochromic microcapsules within it. Moreover, the silk fibroin film is also endowed with improved mechanical properties in terms of tension strength and elongation at break because of the reinforcing effect of thermochromic microcapsules. The silk fibroin film fabricated with novel features in this study can be a good candidate for the application of wound dressings, tissue engineering scaffolds, and bio-related devices in the future.

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Bombyx moriSilk Fibers: An Outstanding Family of Materials

Cited by 100 publications

References 236 publications

Smart Windows Prepared from Bombyx mori Silk

Smart Windows Prepared from Bombyx mori Silk

Silk Fibroin for Flexible Electronic Devices

Fabrication of silk fibroin film with properties of thermal insulation and temperature monitoring

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