Guanine-based photonic crystals in fish scales form from an amorphous precursor

Dvir Gur; Yael Politi; Berta Sivan; Peter Fratzl; Steve Weiner; Lia Addadi

doi:10.1002/anie.201205336

Guanine-based photonic crystals in fish scales form from an amorphous precursor

Dvir Gur
, Yael Politi
, Berta Sivan
, Peter Fratzl
, Steve Weiner
, Lia Addadi^*

^*Corresponding author for this work

Department of Animal Sciences

Research output: Contribution to journal › Article › peer-review

78 Scopus citations

Abstract

Starting from disorder: Anhydrous guanine crystals compose the photonic arrays responsible for the skin and scale iridescence found in Japanese Koi fish. These guanine crystals were found to form in intracellular vesicles (see picture) through an amorphous precursor phase. A combined cryo-SEM and synchrotron radiation X-ray diffraction study showed the evolution of the crystals in great detail.

Original language	English
Pages (from-to)	388-391
Number of pages	4
Journal	Angewandte Chemie - International Edition
Volume	52
Issue number	1
DOIs	https://doi.org/10.1002/anie.201205336
State	Published - 2 Jan 2013

Keywords

Amorphous materials
Biogenic guanine crystals
Photonic crystals
Structural colors
X-ray diffraction

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10.1002/anie.201205336

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abstract = "Starting from disorder: Anhydrous guanine crystals compose the photonic arrays responsible for the skin and scale iridescence found in Japanese Koi fish. These guanine crystals were found to form in intracellular vesicles (see picture) through an amorphous precursor phase. A combined cryo-SEM and synchrotron radiation X-ray diffraction study showed the evolution of the crystals in great detail.",

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AU - Addadi, Lia

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KW - Amorphous materials

KW - Biogenic guanine crystals

KW - Photonic crystals

KW - Structural colors

KW - X-ray diffraction

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Guanine-based photonic crystals in fish scales form from an amorphous precursor

Abstract

Keywords

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