C. Salvador, A. Branco, A. Candeias, A. T. Caldeira
The characterization and identification of the proteinaceous compounds in a complex and multi-layered painting is crucial for studying the technique used by the artist and for conservation and restoration purposes. These organic compounds, such as animal glues, milk and egg, have a particular importance since they are widely used as binders and adhesives in paintings. Proteins are typically detected by methods like chromatographic and proteomic techniques. However, the immunodetection approach shows to be a powerful method in protein analysis. In this study immunologic techniques, based on enzyme-linked immunosorbent assay (ELISA), were used in order to identify different proteic binders used in easel paintings. The methodology based on indirect ELISA allows the detection of the target antigen in paint models microsamples. These approach is very promising with regard to the possibility of apply these methodology in the detection of proteinaceous binders in real samples.
{"title":"Innovative approaches for immunodetection of proteic binders in art","authors":"C. Salvador, A. Branco, A. Candeias, A. T. Caldeira","doi":"10.18236/ECONS5.201708","DOIUrl":"https://doi.org/10.18236/ECONS5.201708","url":null,"abstract":"The characterization and identification of the proteinaceous compounds in a complex and multi-layered painting is crucial for studying the technique used by the artist and for conservation and restoration purposes. These organic compounds, such as animal glues, milk and egg, have a particular importance since they are widely used as binders and adhesives in paintings. Proteins are typically detected by methods like chromatographic and proteomic techniques. However, the immunodetection approach shows to be a powerful method in protein analysis. In this study immunologic techniques, based on enzyme-linked immunosorbent assay (ELISA), were used in order to identify different proteic binders used in easel paintings. The methodology based on indirect ELISA allows the detection of the target antigen in paint models microsamples. These approach is very promising with regard to the possibility of apply these methodology in the detection of proteinaceous binders in real samples.","PeriodicalId":11426,"journal":{"name":"e-conservation Journal","volume":"23 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80973353","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The Application of Colour Management to a Photographic Record for the Conservation of Scientific Collections: Anatomical Wax Models","authors":"A. Sánchez, L. Castelo","doi":"10.18236/ECONS5.201705","DOIUrl":"https://doi.org/10.18236/ECONS5.201705","url":null,"abstract":"","PeriodicalId":11426,"journal":{"name":"e-conservation Journal","volume":"26 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84479588","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
N. Sancho, M. S. Andrés, S. Santos, J. M. D. L. Roja
{"title":"Colorimetric measurements of different variants of verdigris: powder and bound pigments","authors":"N. Sancho, M. S. Andrés, S. Santos, J. M. D. L. Roja","doi":"10.18236/ECONS5.201706","DOIUrl":"https://doi.org/10.18236/ECONS5.201706","url":null,"abstract":"","PeriodicalId":11426,"journal":{"name":"e-conservation Journal","volume":"11 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86541530","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Type II Super Lattice (T2SL) imaging technology for infrared reflectography of polychrome works of art","authors":"A. Cosentino","doi":"10.18236/ECONS5.201709","DOIUrl":"https://doi.org/10.18236/ECONS5.201709","url":null,"abstract":"","PeriodicalId":11426,"journal":{"name":"e-conservation Journal","volume":"29 2 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75420779","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
María Aguiar, A. Calvo, António João Cruz, A. Candeias, J. Mirão
Painting materials can provide relevant information about the availability offered to artists within specific periods of time and particular geographical locations, contributing to understand painter´s choices, preferences and limitations. The nineteenth century was, by far, the moment where an unprecedented diversity on pigments and lakes occurred, due the discovery of new metals and the huge advances on inorganic chemistry and on the synthesis of artificial dyestuffs. A painting box containing 36 oil tubes was recovered by the family of the Portuguese painter, Aurélia (1866-1922) atelier, at Quinta da China, Porto. The atelier was shared with her sister, Sofia de Sousa (1870-1960), who ceased painting when Aurélia died. They both studied at the Academia Portuense de Belas Artes, at Porto and later, at the turnover of the 19th century, at the Academie Julian, in Paris. of namely pigments, extenders and lake substrates, SEM-EDS, in to the painting materials actually used previously determined the study of
绘画材料可以提供艺术家在特定时期和特定地理位置的可用性的相关信息，有助于了解画家的选择，偏好和局限性。到目前为止，由于新金属的发现以及无机化学和人工染料合成的巨大进步，19世纪出现了前所未有的颜料和湖泊的多样性。葡萄牙画家奥尔萨里亚(1866-1922)的家人在波尔图的金塔达中国发现了一个装有36根油管的绘画盒。她的妹妹索菲亚·德·索萨(Sofia de Sousa, 1870-1960)在她去世后停止了绘画。他们都曾在波尔图的葡萄牙艺术学院(Academia Portuense de Belas Artes)学习，后来在19世纪的交替时期，在巴黎的朱利安学院(Academie Julian)学习。即颜料、填充剂和湖底物，SEM-EDS，在对绘画材料实际使用的研究中预先确定
{"title":"Pigments from a paint box from the atelier of the Portuguese painter of the early twentieth century, Aurélia de Sousa","authors":"María Aguiar, A. Calvo, António João Cruz, A. Candeias, J. Mirão","doi":"10.18236/econs5.201707","DOIUrl":"https://doi.org/10.18236/econs5.201707","url":null,"abstract":"Painting materials can provide relevant information about the availability offered to artists within specific periods of time and particular geographical locations, contributing to understand painter´s choices, preferences and limitations. The nineteenth century was, by far, the moment where an unprecedented diversity on pigments and lakes occurred, due the discovery of new metals and the huge advances on inorganic chemistry and on the synthesis of artificial dyestuffs. A painting box containing 36 oil tubes was recovered by the family of the Portuguese painter, Aurélia (1866-1922) atelier, at Quinta da China, Porto. The atelier was shared with her sister, Sofia de Sousa (1870-1960), who ceased painting when Aurélia died. They both studied at the Academia Portuense de Belas Artes, at Porto and later, at the turnover of the 19th century, at the Academie Julian, in Paris. of namely pigments, extenders and lake substrates, SEM-EDS, in to the painting materials actually used previously determined the study of","PeriodicalId":11426,"journal":{"name":"e-conservation Journal","volume":"24 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90483096","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Madder: from the plant to the museum objects","authors":"C. Mathe, J. Mazzitelli, C. Vieillescazes","doi":"10.18236/ECONS5.201712","DOIUrl":"https://doi.org/10.18236/ECONS5.201712","url":null,"abstract":"","PeriodicalId":11426,"journal":{"name":"e-conservation Journal","volume":"74 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84000499","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
E. K. Mori, E. A. D. Lama, M. Rizzutto, E. Kajiya, P. Campos
{"title":"An Analysis of Alfredo Volpi’s Paintings by X-ray Fluorescence, Spectrophotometry and Technical Photography","authors":"E. K. Mori, E. A. D. Lama, M. Rizzutto, E. Kajiya, P. Campos","doi":"10.18236/econs5.201701","DOIUrl":"https://doi.org/10.18236/econs5.201701","url":null,"abstract":"","PeriodicalId":11426,"journal":{"name":"e-conservation Journal","volume":"64 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89490829","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Silvia García Fernández-Villa, J. M. D. L. Roja, M. S. A. Moya
Over the last few years, the dry cleaning process has become an excellent alternative to solvent or water-based mixtures, which prevents diffusing the dirt into the painting structure during the cleaning process. The use of this kind of cleaning is especially effective on contemporary paintings as it prevents the solubilisation of additives such as the surfactants contained in polymeric dispersions (e.g. in acrylic and PVAc-based paints). In addition to some reported side effects that could be caused by dry cleaning processes on paintings (such as changes in the integrity of the paint or any residual materials which may be left behind) one parameter that should be tested is the colorimetric change seen on treated surfaces. In some cases, the use of certain dry cleaning materials can cause burnishing or roughening of the painted surface. This effect results in a change in brightness and chroma and subsequently to a change in the colour of the treated area, especially on dark shades. This article evaluates the colorimetric change of different kinds of painted surfaces caused by the dry cleaning process, such as gouache, commercial formulated acrylic, fish glue tempera, casein tempera, PVAc and primal acrylic paint. The cleaning materials tested include different kinds of sponge cloths, malleable materials and erasers used in the field of heritage conservation/restoration. The change in colour is measured by means of a spectrophotometer and the chromatic values are processed in a spreadsheet. The colorimetric changes have been calculated using the advanced equation recommended by CIEDE2000 and the chromatic values obtained have been studied following the standard recommendations.
{"title":"Colour Change Caused by Dry Cleaning Process on Painted Surfaces","authors":"Silvia García Fernández-Villa, J. M. D. L. Roja, M. S. A. Moya","doi":"10.18236/econs5.201703","DOIUrl":"https://doi.org/10.18236/econs5.201703","url":null,"abstract":"Over the last few years, the dry cleaning process has become an excellent alternative to solvent or water-based mixtures, which prevents diffusing the dirt into the painting structure during the cleaning process. The use of this kind of cleaning is especially effective on contemporary paintings as it prevents the solubilisation of additives such as the surfactants contained in polymeric dispersions (e.g. in acrylic and PVAc-based paints). In addition to some reported side effects that could be caused by dry cleaning processes on paintings (such as changes in the integrity of the paint or any residual materials which may be left behind) one parameter that should be tested is the colorimetric change seen on treated surfaces. In some cases, the use of certain dry cleaning materials can cause burnishing or roughening of the painted surface. This effect results in a change in brightness and chroma and subsequently to a change in the colour of the treated area, especially on dark shades. This article evaluates the colorimetric change of different kinds of painted surfaces caused by the dry cleaning process, such as gouache, commercial formulated acrylic, fish glue tempera, casein tempera, PVAc and primal acrylic paint. The cleaning materials tested include different kinds of sponge cloths, malleable materials and erasers used in the field of heritage conservation/restoration. The change in colour is measured by means of a spectrophotometer and the chromatic values are processed in a spreadsheet. The colorimetric changes have been calculated using the advanced equation recommended by CIEDE2000 and the chromatic values obtained have been studied following the standard recommendations.","PeriodicalId":11426,"journal":{"name":"e-conservation Journal","volume":"248 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72807684","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"An Exercise in Fugitivity: Investigating the fading of red lake pigments","authors":"D. Léonard","doi":"10.18236/econs5.201702","DOIUrl":"https://doi.org/10.18236/econs5.201702","url":null,"abstract":"","PeriodicalId":11426,"journal":{"name":"e-conservation Journal","volume":"3 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78122303","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. Gil, A. Pestana, C. Miguel, A. Manhita, L. Dias, Ana Cardoso, J. Mirão, A. Candeias
{"title":"The Painted Angels from the central drum of Convent of Christ Rotunda in Tomar - first results of the material and technical comparative study","authors":"M. Gil, A. Pestana, C. Miguel, A. Manhita, L. Dias, Ana Cardoso, J. Mirão, A. Candeias","doi":"10.18236/ECONS4.201510","DOIUrl":"https://doi.org/10.18236/ECONS4.201510","url":null,"abstract":"","PeriodicalId":11426,"journal":{"name":"e-conservation Journal","volume":"17 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74282724","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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