Abstract:
In this paper we report evidence of structural color in Myxomycetes, a group of eukaryotic microorganisms with an uncertain taxonomic position. We investigated the Diachea leucopoda, which belongs to the Physarales order, Myxomycetes class, and found that its peridium -protective layer that encloses the mass of spores- is basically a corrugated layer of a transparent material, which produces a multicolored pointillistic effect, characteristic of this species. Scanning (SEM) and transmission (TEM) electron microspcopy techniques have been employed to characterize the samples. A simple optical model of a planar slab is proposed to calculate the reflectance. The chromaticity coordinates are obtained, and the results confirm that the color observed is a result of an interference effect © 2010 Optical Society of America.
Registro:
Documento: |
Artículo
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Título: | Structural color in Myxomycetes |
Autor: | Inchaussandague, M.; Skigin, D.; Carmaran, C.; Rosenfeldt, S. |
Filiación: | Grupo de Electromagnetismo Aplicado, Departamento de Física, Ciudad Universitaria, Pabellón I, C1428EHA Buenos Aires, Argentina Departamento de Blodlversidad y Biología Experimental, Facultad de Ciencias Exactas y Naturales, Ciudad Universitaria, Pabellón II, C1428EHA Buenos Aires, Argentina
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Palabras clave: | Color; Protozoa; Chromaticity coordinates; Eukaryotic microorganisms; Interference effects; Optical models; Protective layers; SEM; Structural color; Taxonomic position; TEM; Transparent material; Fungi; article; biological model; Myxogastria; physiology; pigmentation; ultrastructure; Models, Biological; Myxomycetes; Pigmentation |
Año: | 2010
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Volumen: | 18
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Número: | 15
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Página de inicio: | 16055
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Página de fin: | 16063
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DOI: |
http://dx.doi.org/10.1364/OE.18.016055 |
Título revista: | Optics Express
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Título revista abreviado: | Opt. Express
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ISSN: | 10944087
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10944087_v18_n15_p16055_Inchaussandague |
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Citas:
---------- APA ----------
Inchaussandague, M., Skigin, D., Carmaran, C. & Rosenfeldt, S.
(2010)
. Structural color in Myxomycetes. Optics Express, 18(15), 16055-16063.
http://dx.doi.org/10.1364/OE.18.016055---------- CHICAGO ----------
Inchaussandague, M., Skigin, D., Carmaran, C., Rosenfeldt, S.
"Structural color in Myxomycetes"
. Optics Express 18, no. 15
(2010) : 16055-16063.
http://dx.doi.org/10.1364/OE.18.016055---------- MLA ----------
Inchaussandague, M., Skigin, D., Carmaran, C., Rosenfeldt, S.
"Structural color in Myxomycetes"
. Optics Express, vol. 18, no. 15, 2010, pp. 16055-16063.
http://dx.doi.org/10.1364/OE.18.016055---------- VANCOUVER ----------
Inchaussandague, M., Skigin, D., Carmaran, C., Rosenfeldt, S. Structural color in Myxomycetes. Opt. Express. 2010;18(15):16055-16063.
http://dx.doi.org/10.1364/OE.18.016055