Results 61 to 70 of about 128,012 (217)

Raman identification of cuneiform tablet pigments: emphasis and colour technology in ancient Mesopotamian mid-third millennium

open access: yesHeliyon, 2017
Cuneiform tablets tell the life and culture of Sumerian people in a sort of black and white tale because of the binary engraving technique. A leading question arises: did Mesopotamian people apply some kind of colour to decorate their tablets or to put ...
Daniele Chiriu   +5 more
doaj   +1 more source

Bioactive Pigments of Monascus purpureus: Identification and Characterization

open access: yesJournal of Food and Pharmaceutical Sciences
Monascus purpureus is a filamentous fungus that has long been recognized as one of the main producers of natural pigments. These pigments, including yellow (ankaflavin, monascin), orange (rubropunctatin, monascorubrin), and red (rubropunctamine ...
Resha Resmawati Shaleha   +4 more
doaj   +1 more source

Egyptian blue and/or atacamite in an ancient egyptian coffin [PDF]

open access: yes, 2015
This work deals with the composition of the blue and green pigments used in the wooden sarcophagus studied by Abdelaal et al. and published in 2014 in this journal.
Giménez Izquierdo, Francisco Javier
core  

IDENTIFICATION OF NEW POLISH LINES OF CHENOPODIUM QUINOA (WILLD.) BY SPECTRAL ANALYSIS OF PIGMENTS AND A CONFIRMATION OF GENETIC STABILITY WITH SCOT AND RAPD MARKERS

open access: yesActa Scientiarum Polonorum: Hortorum Cultus, 2018
Identification of cultivars is essential both in breeding and to settle cultivar disputes. The purpose of the study has been to examine cultivar identities based on absorption spectra of plant pigments and to confirm a genetic stability with SCoT and ...
Justyna Lema-Rumińska   +2 more
doaj   +1 more source

Remote multispectral imaging with PRISMS and XRF analysis of Tang Tomb paintings [PDF]

open access: yes, 2011
PRISMS (Portable Remote Imaging System for Multispectral Scanning) is a multispectral/hyperspectral imaging system designed for flexible in situ imaging of wall paintings at high resolution (tens of microns) over a large range of distances (less than a ...
Lange, R, Liang, H, Zhang, Q
core   +1 more source

Integrated X-ray fluorescence and diffuse visible-to-near-infrared reflectance scanner for standoff elemental and molecular spectroscopic imaging of paints and works on paper

open access: yesHeritage Science, 2018
Prior studies have shown the improved ability to identify artists’ pigments by combining results from X-ray fluorescence (XRF), which provides elemental information, with reflectance spectroscopy in the visible to near infrared (400–1000 nm) that ...
John K. Delaney   +5 more
doaj   +1 more source

Funerary colors in Pre-classical Maya culture: the red pigment in the 19th tomb of Rio Azul (Peten, Guatemala)

open access: yesHeritage Science, 2020
The pigments were important in the funerary customs of the ancient Maya. They could be introduced as an offering inside the tombs or burials, and were also used to wrap the dead bodies, as if it were a funeral shroud.
María Teresa Doménech-Carbó   +5 more
doaj   +1 more source

Identification of Pigment Cell Antigens Defined by Vitiligo Antibodies

open access: yesJournal of Investigative Dermatology, 1992
Patients with vitiligo have circulating antibodies to pigment cells. To characterize this response further and to identify the antigens defined by vitiligo antibodies, sera of 23 patients with vitiligo and 22 patients with unrelated conditions were analyzed by immunoprecipitation and SDS-PAGE analysis of 125I-labeled cell antigens on pigment and ...
Cui, Jian   +3 more
openaire   +2 more sources

Analysis of Micro-Fine Mineral Pigments Based on Laser Raman Spectroscopy

open access: yesYankuang ceshi
Micro-fine pigment minerals have been widely used in artworks, and their particle size, types, etc. determine the quality. Accurate and non-destructive analysis of the composition and distribution of micro-mineral pigments is of great significance.
Wei ZHU, Wenjing XU, Aiguo SHEN
doaj   +1 more source

Pigment and fatty acid profiling reveal differences in epiphytic microphytes among tropical Thalassodendron ciliatum meadows

open access: yes, 2020
Tropical seagrasses support abundant and diverse epiphytic microalgae that form the base of seagrass food webs. To help better understand the influence of structural variability of tropical seagrass meadows on associated microalgal epiphytes, we ...
De Troch, Marleen   +2 more
core   +1 more source

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