Results 21 to 30 of about 128,012 (217)

Green Earth pigments aqueous dispersions: NMR relaxation rates dataset

Data in Brief, 2020
The data presented here are related to the research paper entitled “Green Earth pigments dispersions: water dynamics at the interfaces”. The nuclear magnetic resonance (NMR) relaxometry data are provided for various aqueous Green Earth (GE) pigments ...
Agathe Fanost, Maguy Jaber, Laurence de Viguerie, Jean-Pierre Korb, Pierre E. Levitz, Laurent J. Michot, Guillaume Mériguet, Anne-Laure Rollet   +7 more
doaj   +1 more source

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, Wojciech Masarczyk, Przemysław Głomb, Agata Mendys   +3 more
openaire   +1 more source

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., Clark, Robin J.H., Gibbs, Robert, Jones, Richard   +3 more
core   +1 more source

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
doaj   +1 more source

Lacquerware Pigment Identification with Fixed and Mobile Raman Microspectrometers: A Potential Technique to Differentiate Original/Fake Artworks

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

Evidence of late Quaternary environmental change in a continental east Antarctic lake from lacustrine sedimentary pigment distributions [PDF]

, 2005
A sediment core from Progress Lake, one of the oldest lacustrine sequences in East Antarctica, contains distinct zones dating from a previous interglacial (most likely Marine Isotope Stage 5e, c.
Hodgson, D A, Keely, B J, Squier, A H
core   +2 more sources

Identification, Characterization and Antioxidant Activity of Yellowish-Orange Pigments Actinobacteria

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, Irmanida Batubara, Yulin Lestari   +2 more
doaj   +1 more source

Procedimentos analíticos para identificação de antocianinas presentes em extratos naturais Analytical procedures for identifying anthocyanins in natural extracts

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, Ronei Jesus Poppi, Ieda Spacino Scarminio   +2 more
doaj   +1 more source

Natural Substrates and Culture Conditions to Produce Pigments from Potential Microbes in Submerged Fermentation

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, V. R. Prasastha, Mekala Venkatachalam, Laurent Dufossé   +3 more
doaj   +1 more source

Correlation of Visible Reflectance Spectrometry and Portable Raman Data for Red Pigment Identification

Heritage
The accurate identification of pigments is of principal relevance in the field of cultural heritage conservation and restoration practices. In this preliminary study, a first attempt to set up a procedure for accurate red pigment identification, based on
Anna M. Gueli, Rosaria Galvagno, Adriana Incardona, Eleonora Pappalardo, Giuseppe Politi, Giuseppe Paladini, Giuseppe Stella   +6 more
doaj   +1 more source