Evolution of single gyroid photonic crystals in bird feathers
Copyright © 2021 the Author(s). Published by PNAS..
Vivid, saturated structural colors are conspicuous and important features of many animals. A rich diversity of three-dimensional periodic photonic nanostructures is found in the chitinaceous exoskeletons of invertebrates. Three-dimensional photonic nanostructures have been described in bird feathers, but they are typically quasi-ordered. Here, we report bicontinuous single gyroid β-keratin and air photonic crystal networks in the feather barbs of blue-winged leafbirds (Chloropsis cochinchinensis sensu lato), which have evolved from ancestral quasi-ordered channel-type nanostructures. Self-assembled avian photonic crystals may serve as inspiration for multifunctional applications, as they suggest efficient, alternative routes to single gyroid synthesis at optical length scales, which has been experimentally elusive.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:118 |
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| Enthalten in: |
Proceedings of the National Academy of Sciences of the United States of America - 118(2021), 23 vom: 08. Juni |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Saranathan, Vinodkumar [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 30.11.2021 Date Revised 30.11.2021 published: Print Citation Status MEDLINE |
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| doi: |
10.1073/pnas.2101357118 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 100 | 1 | |a Saranathan, Vinodkumar |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Evolution of single gyroid photonic crystals in bird feathers |
| 264 | 1 | |c 2021 | |
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| 500 | |a Date Revised 30.11.2021 | ||
| 500 | |a published: Print | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2021 the Author(s). Published by PNAS. | ||
| 520 | |a Vivid, saturated structural colors are conspicuous and important features of many animals. A rich diversity of three-dimensional periodic photonic nanostructures is found in the chitinaceous exoskeletons of invertebrates. Three-dimensional photonic nanostructures have been described in bird feathers, but they are typically quasi-ordered. Here, we report bicontinuous single gyroid β-keratin and air photonic crystal networks in the feather barbs of blue-winged leafbirds (Chloropsis cochinchinensis sensu lato), which have evolved from ancestral quasi-ordered channel-type nanostructures. Self-assembled avian photonic crystals may serve as inspiration for multifunctional applications, as they suggest efficient, alternative routes to single gyroid synthesis at optical length scales, which has been experimentally elusive | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a Research Support, U.S. Gov't, Non-P.H.S. | |
| 650 | 4 | |a biophotonic nanostructure | |
| 650 | 4 | |a bird coloration | |
| 650 | 4 | |a phase separation | |
| 650 | 4 | |a self-assembly | |
| 650 | 4 | |a single gyroid | |
| 650 | 7 | |a Avian Proteins |2 NLM | |
| 650 | 7 | |a beta-Keratins |2 NLM | |
| 700 | 1 | |a Narayanan, Suresh |e verfasserin |4 aut | |
| 700 | 1 | |a Sandy, Alec |e verfasserin |4 aut | |
| 700 | 1 | |a Dufresne, Eric R |e verfasserin |4 aut | |
| 700 | 1 | |a Prum, Richard O |e verfasserin |4 aut | |
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