Evolution of Single Gyroid Photonic Crystals in Bird Feathers
Abstract 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 bi-continuous 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 multi-functional applications, as they suggest efficient, alternative routes to single gyroid synthesis at optical length-scales, which has been experimentally elusive..
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Preprint| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
bioRxiv.org - (2022) vom: 11. Nov. Zur Gesamtaufnahme - year:2022 |
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| Sprache: |
Englisch |
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| Beteiligte Personen: |
Saranathan, Vinodkumar [VerfasserIn] |
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| doi: |
10.1101/2020.08.27.271213 |
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| PPN (Katalog-ID): |
XBI01864015X |
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| 245 | 1 | 0 | |a Evolution of Single Gyroid Photonic Crystals in Bird Feathers |
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| 520 | |a Abstract 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 bi-continuous 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 multi-functional applications, as they suggest efficient, alternative routes to single gyroid synthesis at optical length-scales, which has been experimentally elusive. | ||
| 650 | 4 | |a Biology |7 (dpeaa)DE-84 | |
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| 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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