Clay Mimics Color Tuning in Visual Pigments

Seeing is believing: Protonated 11‐cis retinal Schiff base RSB‐11 (1), present in human blue and red pigments, varies in color when adsorbed onto the clay montmorillonite. The absorption spectra covers the entire visible range in clays from three different sources. Clays can thus mimic the carbon‐ba...

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Bibliographic Details
Published in:Angewandte Chemie (International ed.) 2007-01, Vol.46 (42), p.8010-8012
Main Authors: Furutani, Yuji, Ido, Kazutomo, Sasaki, Masako, Ogawa, Makoto, Kandori, Hideki
Format: Article
Language:English
Subjects:
Aluminum Silicates - chemistry
Animals
Bentonite - chemistry
bioinorganic chemistry
Cattle
chromophores
Color
host-guest systems
Humans
Models, Molecular
Protein Conformation
Protein Structure, Secondary
Retinal Pigments - chemistry
Retinaldehyde - chemistry
rhodopsin
Spectrum Analysis
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Summary:Seeing is believing: Protonated 11‐cis retinal Schiff base RSB‐11 (1), present in human blue and red pigments, varies in color when adsorbed onto the clay montmorillonite. The absorption spectra covers the entire visible range in clays from three different sources. Clays can thus mimic the carbon‐based protein for color tuning of the chromophores in our vision.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200702368