Results 81 to 90 of about 1,759 (195)

A Comparison of the Fading of Dyestuffs as Textile Colourants and Lake Pigments

open access: yesHeritage
Dyed wool samples and lake pigments prepared from the same dyestuffs were exposed to light over the course of 14 months. Brazilwood or sappanwood, cochineal, madder, and weld were used for both wools and pigments, with the addition of dyer’s broom ...
Jo Kirby, David Saunders
doaj   +1 more source

Bright lights: disclosures from the optical, spectroscopic and chromatographic characterization of a 19th century Portuguese sedan chair

open access: yesConservar Património, 2016
The Fundação Ricardo Espírito Santo Silva (FRESS) as the mission of defend, train, study, develop and implement Portuguese Fine Arts in Portugal. This paper reflects the process of Conservation-Restoration training, where students apply the most recent ...
Catarina Miguel   +9 more
doaj   +1 more source

Part I: Enzymatic treatment of Bamboo, Bamboo/Cotton knitted fabric using brewer’s yeast suspension

open access: yesAlexandria Engineering Journal, 2019
In this paper, the optimization of the bio-treatment of bamboo and bamboo/cotton knitted fabrics using brewer’s yeast suspension has been accomplished. After enzymatic treatment, the dyeing operation by using Brazilwood natural type was applied.
Hala Shawky El-Khatib   +3 more
doaj   +1 more source

The Genus Caesalpinia L. (Caesalpiniaceae): Phytochemical and Pharmacological Characteristics [PDF]

open access: yes, 2012
The genus Caesalpinia (Caesalpiniaceae) has more than 500 species, many of which have not yet been investigated for potential pharmacological activity.
Baldim Zanin, Joao L.   +7 more
core   +2 more sources

Van Gogh’s Irises and Roses: the contribution of chemical analyses and imaging to the assessment of color changes in the red lake pigments

open access: yesHeritage Science, 2017
Vincent van Gogh’s still lifes Irises and Roses were investigated to shed light onto the degree to which the paintings had changed, both individually and in relation to each other since they were painted, particularly in regard to the fading of the red ...
Silvia A. Centeno   +9 more
doaj   +1 more source

Bentonit sebagai Zat Mordan dalam Pewarnaan Alami pada Batik Menggunakan Kayu Secang (Caesalpinia Sappan Linn.) [PDF]

open access: yes, 2018
Tujuan dari penelitian ini adalah untuk menilai kemungkinan penggunaan bentonit sebagai mordan potensial dalam pewarnaan alam pada kain batik katun dengan kayu secang (Caesalpinia Sappan Linn.).
Isnaini, I. (Isnaini)   +3 more
core  

Hans Staden's captive soul: Identity, imperialism, and rumors of cannibalism in sixteenth-century Brazil [PDF]

open access: yes, 2006
This article examines the ways sixteenth-century reports of cultural cannibalism among the Tupinamba of Brazil were employed strategically by Europeans and Brazilians in the contest for economic, spiritual, and cultural dominance in the Atlantic world ...
Martel, H. E.
core   +1 more source

From the Indies to Europe : brazilwood production, trade and supply to the Western world, XIIth-XVIth century

open access: green, 2020
During the Middle Ages and the XVIth century, brazilwood was a red dyewood used in the Western world not only for textile dyeing, but also in painting, especially in manuscript illuminations, as recently shown by physic-chemical analyses. In mediaeval times this material xas imported from Asia, and from the end of the XVth onwards it came from Latin ...
Anne Servais
openalex   +3 more sources

Relações do N, P e K com a fluorescência da clorofila, teores de nutrientes foliares e carboidratos solúveis do caule de Caesalpinia echinata Lam.

open access: yesHoehnea
RESUMO Esse trabalho foi realizado com o objetivo de avaliar o efeito de suplementação de N, P e K no acúmulo foliar desses elementos e suas relações com os parâmetros da fluorescência da clorofila a e com a concentração de carboidratos solúveis em ...
Geraldo Rogério Faustini Cuzzuol   +3 more
doaj   +1 more source

The book on how to make all the colour paints for illuminating books: unravelling a Portuguese Hebrew illuminators’ manual

open access: yesHeritage Science, 2018
The book on how to make all the colour paints for illuminating books invites readers to step inside the workshop of a fifteenth century illuminator in Portugal.
Maria J. Melo   +3 more
doaj   +1 more source

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