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Analysis of green pigments: The case of Almada Negreiros maritime station mural...
Valadas, Sara; Vandenabeele, Peter; Gil, Milene; Frade, José Carlos; Vermeersch, Eva; Lycke, Silvia; Dias, Luís; Candeias, António; Costa, MafaldaIn 1949, Almada Negreiros painted at the maritime station of Rocha do Conde de Óbidos, in Lisbon, six monumental mural paintings, which are considered as his highest artistic achievement. On these paintings, he resorted to a bright colourful palette, which needs to be studied to support conservation and preservation of these artworks for future generations. Among the pigments under study within project ALMADA, ...
Characterization of Tableware from Fábrica de Loiça de Sacavém—Linking Analytic...
Coutinho, Mathilda; Veiga, João Pedro; Ruivo, Andreia; Pereira da Silva, Teresa; Bottura-Scardina, Silvia; R. A. Lima, Maria Margarida; Pereira, CarlosFábrica de Loiça de Sacavém (ca. 1858–1994) was among the first to produce white earthenware in Portugal, becoming one of the country’s leading ceramic manufacturers during the late 19th to early 20th centuries. Research on white earthenware has accompanied the growing interest in post-industrial archaeology but is still poorly explored compared to more ancient ceramic productions. This study focused on the cer...
Comparative assessment of two portable Raman spectrometers for the characterisa...
Bottura-Scardina, Silvia; Vandenabeele, Peter; Miguel, Catarina; Candeias, AntónioThis paper explores the use of portable Raman instruments to characterise nat- ural dye lakes in paint mixtures, as an alternative approach to other Raman techniques (e.g. SERS). Raman spectroscopy has indeed been used extensively to study natural dyes as pure substances or as artistic pigments (dye lakes). However, the examination of these compounds with Raman spectroscopy is particularly challenging because o...
An Insight into the Green Deteriorated Paint Layers of the Maritime Station of ...
Gil, Milene; Costa, Mafalda; Dias, Luis; Frade, José Carlos; Vandenabeele, PeterThis study reports the first results of the analysis carried out in 2022 on deteriorated green paint layers from the mural paintings made by Almada Negreiros at the Maritime Station of Alcantara, in Lisbon (Portugal). These murals painted in 1945 are one of the most emblematic painting sets done by the modernist artist and exhibit a bright chromatic palette that displays different states of conservation, with t...
Characterization of Tableware from Fábrica de Loiça de Sacavém : Linking Analyt...
Coutinho, ML; Veiga, JP; Ruivo, Andreia; Silva, Teresa; Bottura Scardina, Silvia; Lima, M.M.R.A.; Pereira, Carlos; Dias, Ana Carvalho; Dias, LuisABSTRACT: Fabrica de Loica de Sacavem (ca. 1858-1994) was among the first to produce white earthenware in Portugal, becoming one of the country's leading ceramic manufacturers during the late 19th to early 20th centuries. Research on white earthenware has accompanied the growing interest in post-industrial archaeology but is still poorly explored compared to more ancient ceramic productions. This study focused ...
Personal adornments in West-Central Africa—the case study of a talc bead from t...
Costa, Mafalda; Barrulas, Pedro; Lopes, Maria da Conceição; Barreira, João; de Jesus, Maria da Piedade; da Silva Domingos, Sónia; Vandenabeele, PeterA mustard-gold-colored talc bead was recovered during the 2014 excavation campaign carried out in Lumbu (Mbanza Kongo, Angola) together with the nineteenth-century glass trade beads imported from Bohemia and Venice. Results from this multianalytical and minimally invasive study suggest that this bead may have been brought to the kingdom’s capital by means of an established intra-kingdom trade network or as an o...
Personal adornments in West‑Central Africa—the case study of a talc bead from t...
Costa, Mafalda; Barrulas, Pedro; Lopes, Maria da Conceição; Barreira, João; de Jesus, Maria da Piedade; da Silva Domingos, Sónia; Vandenabeele, PeterA mustard-gold-colored talc bead was recovered during the 2014 excavation campaign carried out in Lumbu (Mbanza Kongo, Angola) together with the nineteenth-century glass trade beads imported from Bohemia and Venice. Results from this multianalytical and minimally invasive study suggest that this bead may have been brought to the kingdom’s capital by means of an established intra-kingdom trade network or as an o...
Insights on the second phase of the multidisciplinary study of the Viceroys por...
Reis, Teresa; Valadas, Sara; Machado, Ana; Piorro, Luís; Pereira, Fernando António Baptista; Caldeira, Ana Teresa; Vandenabeele, Peter"Old Goa Revelations" is an international collaborative project dedicated to the research of a shared heritage collection associated to the Portuguese Presence in India (1505 – 1961). The upper halls of the Archaeological Survey of India (ASI) Museum in Old Goa, display the portrait gallery of these Viceroys and Governors who administrated these territories and used to commission their depictions before leaving...
On the use of a zoom lens for remote Raman measurements: Application in cultura...
Vandenabeele, Peter; Pereira Miguel, Catarina; Rousaki, Anastasia; Bottura Scardina, Silvia; Larsson-Coutinho, Mathilda; Pressato, MiriamRaman spectroscopy is frequently implemented in the analysis of art objects. Especially its non-destructive character and the advent of mobile instruments, often equipped with fibre optics probe heads, have opened the doors for many direct investigations of artworks. However, Raman spectroscopy usually requires stable positioning of the objective lens, close to the paint surface. Consequently, and despite the u...
An Insight into the Green Deteriorated Paint Layers at the Maritime Station of ...
Acevedo-Mejia, Andrea; Costa, Mafalda; Vandenabeele, Peter; Dias, Luís; Frade, José Carlos; Gil, MileneThis study reports the first results of the analysis carried out in 2022 on deteriorated green paint layers from the mural paintings made by Almada Negreiros at the Maritime Station of Alcantara, in Lisbon (Portugal). These murals painted in 1945 are one of the most emblematic painting sets done by the modernist artist and exhibit a bright chromatic palette that displays different states of conservation, with t...