Results 21 to 30 of about 128,823 (315)
Mobile spectroscopic instrumentation in archaeometry research [PDF]
, 2016 Mobile instrumentation is of growing importance to archaeometry research. Equipment is utilized in the field or at museums, thus avoiding transportation or risk of damage to valuable artifacts.
Donais, MK, Vandenabeele, Peter
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Automatic pigment identification from hyperspectral data
Journal of Cultural Heritage, 2018 Abstract Art objects conservation or historical analysis necessitates a thorough knowledge of materials used by the artist and their subsequent changes. In the case of paintings this requires the ability to correctly identify the pigments that were used for creation or later restoration of the artwork.
Bartosz Grabowski +3 more
openaire +1 more source
Nondestructive Raman investigation on wall paintings at Sala Vaccarini in Catania (Sicily) [PDF]
, 2016 In this work, the results of a Raman campaign for studying seventeenth-century Sicilian frescoes, by using two portable Raman systems, equipped with different excitation sources (785 and 1064 nm), are proposed.
Agostino, Giuseppe +10 more
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Barumiki antocyjanowe u Iris germanica [Anthocyanin pigments in Iris germanica L.]
Acta Agrobotanica, 2015 Anthocyanin pigments occurring in the flowers of Iris germanica were investigated in five varieties: Rota, Wedgewood, Empress of India, Deputate Nomblot and Joanna.
J. Szczepańska, M. Solecka
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Pigment analysis by Raman microscopy and portable X-ray fluorescence (pXRF) of thirteenth to fourteenth century illuminations and cuttings from Bologna [PDF]
, 2016 Non-destructive pigment analysis by Raman microscopy (RM) and portable X-ray fluorescence (pXRF) has been carried out on some Bolognese illuminations and cuttings chosen to represent the beginnings, evolution and height of Bolognese illuminated ...
Chaplin, Tracey D. +3 more
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Arts, 2013 (FT) Raman spectroscopy is used for the first time to identify pigments used in 19th & 20th century Japanese and Vietnamese Lacquerwares. IR spectroscopy is used to assess the Lacquer matrix.
Philippe Colomban, Diana Mancini
doaj +1 more source
Hayati Journal of Biosciences, 2023 Actinobacteria are Gram-positive bacteria that can produce various secondary metabolites, including pigments that have potential as antioxidants. This study assessed the characteristics of yellowish-orange pigmented actinobacteria.
Farhana Halimah Rusyda +2 more
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Betalains in some species of the amaranthaceae family: A review [PDF]
, 2018 Natural pigments are largely distributed in the plant kingdom. They belong to diverse groups, with distinct biochemical pathways. Betalains with colours that range from yellow to red-violet can de divided into two main subgroups: betaxanthins and ...
Ali +31 more
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Química Nova, 2008 Anthocyanins are among the most important plant pigments. Due to their potential benefits for human health, there is considerable interest in these natural pigments.
Paulo Henrique Março +2 more
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Fermentation, 2022 Pigments from bacteria, fungi, yeast, cyanobacteria, and microalgae have been gaining more demand in the food, leather, and textile industries due to their natural origin and effective bioactive functions.
Chatragadda Ramesh +3 more
doaj +1 more source