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A combined synchrotron powder diffraction and vibrational study of the thermal treatment of palygorskite-indigo to produce Maya blue
synchrotron powder diffraction palygorskite-indigo Maya blue
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2011/11/11
The heating process (30-200 QC) of a palygorskite-indigo mixture has been monitored in situ and simultaneously by synchrotron powder diffraction and Raman spectroscopy. During this process, the dye an...
The Fundamental Guest-Host Interaction in Maya Blue Pigments:DFT-CPMD Calculations
Fundamental Guest-Host Interaction Maya Blue DFT-CPMD Calculations
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2011/11/7
The color shift of the Maya Blue(MB) inorganic-organic pigment,obserbed upon moderate heating,reflects fundamental guest-host interactions leading to the unusual stability of Maya Blue.
In-Situ Identification of Palygorskite in Maya Blue Samples Using X-Ray Powder Diffraction
Palygorskite X-Ray Powder Diffraction Maya Blue Samples
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2011/11/4
In spite of the abundance of colors found in the murals and other objects that correspond to the Classic Mayan period (600-900 A.D.), a peculiar hue captured the interest of researchers. The most well...
Crystal structure refinement of a sepiolite/indigo Maya Blue pigment using molecular modelling and synchrotron diffraction
sepiolite indigo Maya Blue pigment molecular mechanics Rietveld method
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2011/11/7
Maya Blue is an artificial pigment used in Pre-Columbian America, renowned for its chemical stability. The pigment can be considered a precursor of modern inclusion compounds as a hosting microporous ...
Spectroscopic characterization of a sepiolite-based Maya Blue pigment
Maya Blue sepiolite indigo spectroscopy host/guest interaction
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2011/11/7
Maya blue, an ancient pigment used by Mayas in Mesoamerica, can be considered an ancestor of modern nano-composites as it forms by grinding and heating the guest indigo molecule with a hosting clay fr...
Beyond the buildings: Formation processes of ancient Maya houselots and methods for the study of non-architectural space
Activity areas Ethnoarchaeology Formation processes Space Chunchucmil Maya Refuse Biomarkers Coprostanol
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2011/11/14
The success of activity areas research in domestic contexts has highlighted the need for archaeologists working in the tropics to explore both indoor and outdoor spaces. The preservation of houselot b...
Synchrotron and Simulations Techniques Applied to Problems in Materials Science: Catalysts and Azul Maya Pigments
XAFS WAXS SAXS XANES Catalysts Maya Blue
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2011/11/10
Development of synchrotron techniques for the determination of the structure of disordered, amorphous and surface materials has exploded over the past twenty years due to the increasing availability o...
Maya Blue Paint: An Ancient Nanostructured Material
Maya Blue Paint Nanostructured Material
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2011/11/8
Maya blue paint was often used in Mesoamerica. The origin of its color and its resistance to acids and biocorrosion have not been fully understood. High-resolution transmission electron microscopy, el...