15 documents found, page 1 of 2
Cor e Técnica na Cerâmica de Revestimento Medieval: o Caso dos Ladrilhos Cister...
Carvalho, Fernanda; Coentro, Susana; Alves, Luís Cerqueira; Silva, Rui C.; Relvas, Cátia; Ferreira, Teresa; Mirão, José; Trindade, Rui A.Founded in 1153, the Monastery of Alcobaça reflects the original values of the Order of Cister through its elegant architecture. The glazed tiles that once coated the floor of the apse worked as a rare decorative element through the patterns created with their different colours and shapes. Considered 13th-century originals, these are some of the first examples of architectural glazed tiles in Portugal. The main...
Halochromic textiles for real-time sensing of hazardous chemicals and personal ...
Leite, Liliana; Pais, Vânia Nascimento; Silva, Cristina; Boticas, Inês Martins; Bessa, João; Cunha, Fernando; Relvas, Cátia; Ferreira, NoelChemical protective clothing (CPC) has become mandatory when performing various tasks to ensure user protection and prevent chemicals from contacting the skin and causing severe injuries. In addition to protection, there is a need to develop a simple mechanism that can be attached to CPC and be capable of detecting and alerting the user to the presence of harmful chemical agents. In this study, a double-sensor ...
Prussian blue sensor for bacteria detection in personal protection clothing
Leite, Liliana; Pais, Vânia Nascimento; Bessa, João; Cunha, Fernando; Relvas, Cátia; Ferreira, Noel; Fangueiro, RaúlBiological hazards can be defined as substances that endanger the life of any living organism, most notably humans, and are often referred to as biohazards. Along with the use of personal protective equipment (PPE), early detection of contact is essential for the correct management and resolution of a biological threat, as well as lower mortality rates of those exposed. Herein, Prussian blue (PB) was evaluated ...
Old masters under the microscope. Technical and material comparison of a 17th c...
Gil, Milene; Manso, Marta; Pessanha, Sofia; Manhita, Ana; Cardoso, Ana; Nunes, Margarida; Relvas, Cátia; Monteiro, Patrícia; Pereira, CatarinaThis paper reports the results of a multi analytical research undertaken on a mural and on a panel painting altarpiece authored by José de Escovar in 1603, one of the most productive and controversial painters working for Évora Archiepiscopate at the end of the 16th century and beginning of the 17th century. The two paintings are among his first documented artworks in the region and the only case where both are...
Old masters under the microscope. Technical and material comparison of a 17th c...
Gil, Milene; Manso, Marta; Pessanha, Sofia; Manhita, Ana; Cardoso, Ana; Nunes, Margarida; Relvas, Cátia; Monteiro, Patrícia; Pereira, CatarinaThis paper reports the results of a multi analytical research undertaken on a mural and on a panel painting altarpiece authored by José de Escovar in 1603, one of the most productive and controversial painters working for Évora Archiepiscopate at the end of the 16th century and beginning of the 17th century. The two paintings are among his first documented artworks in the region and the only case where both are...
Caracterização química, física e mineralógica da colecção de azulejos hispano-m...
Leal, Ana Sofia; Alves, Luís C.; Coentro, Susana; Pereira, Sílvia; Relvas, Cátia; Ferreira, Teresa; Mirão, José; Fernandes, LídiaNeste trabalho estuda-se um conjunto de fragmentos de azulejos hispano-mouriscos do espólio do Museu de Lisboa - Teatro Romano. Apresenta-se a caracterização química e morfológica dos vidrados e do corpo cerâmico e a caracterização mineralógica deste último. Os vidrados são plúmbicos, sendo que os de cor branca e azul devem a sua opacidade a SnO2 (4-11 %). As restantes cores apresentam teores de SnO2 inferiores...
Caracterização química, física e mineralógica da colecção de azulejos hispano-m...
Leal, Ana Sofia; Alves, Luís C.; Coentro, Susana; Pereira, Sílvia; Relvas, Cátia; Ferreira, Teresa; Mirão, José; Fernandes, LídiaThis work intends to study a set of Hispano-Moresque tile fragments from the Lisbon Roman Theatre Museum collection. The chemical and morphological characterization of the glazes and the ceramic body was presented and also the mineralogical characterization of the latter. The glazes are plumbic, being the opacity of the white and blue colors due to SnO2 (4-11 %). The other colors present amounts of SnO2 lower t...
Mineralogical Characterization of Hispano-Moresque Glazes: A μ-Raman and Scanni...
Coentro, Susana; Silva, Rui C.; Relvas, Cátia; Ferreira, Teresa; Mirão, José; Pleguezuelo, Alfonso; Trindade, Rui; Muralha, Vânia S. F.This work explores the combination of μ-Raman spectroscopy and scanning electron microscopy with X-ray energy dispersive spectrometry (SEM-EDS) for the study of the glazes in 15th–16th century Hispano-Moresque architectural tiles. These are high lead glazes that can be tin-opacified or transparent, and present five colors: tin-white, cobalt-blue, copper-green, iron-amber, and manganese-brown. They are generally...
Análise de Pastas Cerâmicas e Vidrados dos Azulejos do Frontal de Altar do Conv...
Mangucci, Celso; Relvas, Cátia; Nunes, Margarida; Tomaz, Marco; Abboud, Rana; Candeias, António; Mirão, José; Ferreira, TeresaThe second half of the 16th century is a time of transition in the history of tiles in Portugal, marked by the slow decline of the orders from Seville, and the rise of the “new” centres of Lisbon and Talavera de la Reina. In this process, Archbishop D. José de Melo ordered, by the year 1611, a set of blue and white pattern tiles for the decoration of the walls of the Episcopal Palace in Évora that can be attrib...
José de Escovar at the Chapel of the Souls: Technical and Material Study of a 1...
Gil, Milene; Pereira, Catarina; Relvas, Cátia; Nunes, Margarida; Pessanha, Sofia; Cardoso, Ana; Antunes, Vanessa; Monteiro, Patríica; Ferreira, TeresaThis article reports the preliminary results of a technical and material study carried out on a 17th century panel painting located at the Chapel of the Souls in the main church of Vila Nova da Baronia (30 km away from Evora city, in southern Portugal). This painting is attributed to Jose the Escovar, a painter that worked for Evora Archiepiscopate between 1583 and 1622. Jose the Escovar is known by his mural p...