Source:http://linkedlifedata.com/resource/pubmed/id/14557541
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
22
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pubmed:dateCreated |
2003-10-29
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pubmed:abstractText |
We report the mechanism of color production in peacock feathers. We find that the cortex in differently colored barbules, which contains a 2D photonic-crystal structure, is responsible for coloration. Simulations reveal that the photonic-crystal structure possesses a partial photonic bandgap along the direction normal to the cortex surface, for frequencies within which light is strongly reflected. Coloration strategies in peacock feathers are very ingenious and simple: controlling the lattice constant and the number of periods in the photonic-crystal structure. Varying the lattice constant produces diversified colors. The reduction of the number of periods brings additional colors, causing mixed coloration.
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pubmed:commentsCorrections | |
pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:status |
MEDLINE
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pubmed:month |
Oct
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pubmed:issn |
0027-8424
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:day |
28
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pubmed:volume |
100
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
12576-8
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pubmed:dateRevised |
2010-9-21
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pubmed:meshHeading | |
pubmed:year |
2003
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pubmed:articleTitle |
Coloration strategies in peacock feathers.
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pubmed:affiliation |
Surface Physics Laboratory (National Key Laboratory) and T-Center for Life Sciences, Fudan University, Shanghai 200433, People's Republic of China. jzi@fudan.edu.cn
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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