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Chemical Aspects Influencing Crack Formation in Black‐and‐White Oil‐Based Paints: Study of Five Spanish Abstract Informalist Paintings by Antonio Saura (1930–1998) Open
This study explores the chemical and physical mechanisms behind the distinct cracking patterns observed in the black‐painted areas of five works by Antonio Saura, a key figure in 20th‐century Spanish Informalist art. The investigation is p…
View article: Study of Medieval Artistic Stained Windows: The Case of the Rose Window of Sant’Ambrogio Chapel in the Basilica of San Petronio in Bologna—Italy
Study of Medieval Artistic Stained Windows: The Case of the Rose Window of Sant’Ambrogio Chapel in the Basilica of San Petronio in Bologna—Italy Open
Within the framework of an extensive conservation project involving multiple stained-glass windows of the Basilica of San Petronio in Bologna, Italy, this study reports the results of the diagnostic campaign on the rose window depicting Sa…
Short-wave infrared hyperspectral imaging for organic media classification and mapping in works of art: the case of Willi Baumeister Open
Hyperspectral imaging (HSI) has become an increasingly valuable non-invasive technique in heritage science, particularly for the documentation and identification of pigments. However, the classification of binding media—especially organic,…
Fifteenth century Florentine mural investigated in situ with VNIR Hyperspectral Imaging and NIR Photography supports interpretation as a bloodletting scene Open
This study provides new data which suggest a novel interpretative hypothesis not only on the specific painting, but on the use of bloodletting as medical practice in the Florentine Quattrocento. As a part of a cycle of frescoes devoted to …
Environmentally friendly YIn0.9Fe0.1O3-ZnO yellow pigment displaying near infra red (NIR) reflectance and photocatalytic activity Open
In this research, we produced ochre/yellow pigments of YIn0.9Fe0.1O3, combined with ZnO pigments, through a citrate-assisted sol-gel approach. We investigated the impact of varying ZnO addition methods (incorporated into the sol-gel bath a…
The Non-Invasive Spectroscopic Study of a Parchment Object from the National Central Library of Florence: The Hebrew Scroll Open
The Hebrew Scroll, catalogued as Magliabekian Manuscript III 43 and belonging to the National Central Library of Florence (BNCF), is a membranous richly decorated scroll, with colorful depictions of sacred sites through the Holy Land to Le…
A Formulation for a New Environmentally Friendly Varnish for Paintings Open
Laropal® A81 is a urea-aldehyde resin used as a varnish for paintings requiring 30%–40% of aromatic solvents to be dissolved. Considering the dangers of aromatic solvents for the environment and health, an attempt was made to replace them …
15th century Florentine mural investigated in situ with VNIR Hyperspectral Imaging and NIR Photography supports interpretation as a bloodletting scene Open
This study provides new data which suggests a novel interpretative hypothesis not only on the specific painting, but on the use of bloodletting as medical practice in the Florentine Quattrocento. In addition, the technical solutions adopte…
A Novel Transmittance Vis–NIR Hyper-Spectral Imaging Scanner for Analysis of Photographic Negatives: A Potential Tool for Photography Conservation Open
This work illustrates a novel prototype of a transmittance hyperspectral imaging (HSI) scanner, operating in the 400–900 nm range, and designed on purpose for non-invasive analysis of photographic materials, such as negatives, films and sl…
View article: Analyzing an Ancient City: Non-invasive Studies of Ostia Antica Archeological Park s Wall Paintings
Analyzing an Ancient City: Non-invasive Studies of Ostia Antica Archeological Park s Wall Paintings Open
Roman wall paintings at the archaeological site of Ostia Antica dating from the 1 st century BCE to the 4 th century CE were studied in an integrated noninvasive approach using portable instrumentation, namely: Nuclear Magnetic Resonance (…
Overview of nondestructive testing by using electromagnetic waves in the field of cultural heritage Open
Nondestructive testing (NDT) techniques have been actively developed in the field of mechanical engineering, of which common methods include thermography, acoustic (ultrasonic) waves, magnetic field (as eddy current), and X-ray radiography…
The Use of UV-Visible Diffuse Reflectance Spectrophotometry for a Fast, Preliminary Authentication of Gemstones Open
The identification of gemstones is an important topic in the field of cultural heritage, given their enormous value. Particularly, the most important precious stones, namely diamond, emerald, ruby and sapphire, are frequently subjected to …
“Ecce Homo” by Antonello da Messina, from non-invasive investigations to data fusion and dissemination Open
Scientific investigations of artworks are crucial in terms of preservation since they provide a measurable evaluation of the materials and the state of conservation. This is the case of Antonello da Messina’s painting “Ecce Homo”: its deli…
Documentation and analysis of some Picasso’s paintings by using hyperspectral imaging technique to support their conservation and stylistic matters Open
Imaging Spectroscopic techniques, also known as hyperspectral imaging, have been utilized in museums and conservation laboratories for documentation purposes and in support of restoration treatments on different types of artworks and archa…
How Good Are RGB Cameras Retrieving Colors of Natural Scenes and Paintings?—A Study Based on Hyperspectral Imaging Open
RGB digital cameras (RGB) compress the spectral information into a trichromatic system capable of approximately representing the actual colors of objects. Although RGB digital cameras follow the same compression philosophy as the human eye…
An Alternative Phase-Sensitive THz Imaging Technique for Art Conservation: History and New Developments at the ENEA Center of Frascati Open
In recent years, THz imaging techniques have been used in several fields of application. At the beginning of the century, the low availability of powerful THz sources was one of the limiting factors to the advancement of THz technology. At…
Evaluation of the Data Quality from a Round-Robin Test of Hyperspectral Imaging Systems Open
In this study, the results from a round-robin test of hyperspectral imaging systems are presented and analyzed. Fourteen different pushbroom hyperspectral systems from eight different institutions were used to acquire spectral cubes from t…
Hyper-Spectral Imaging Technique in the Cultural Heritage Field: New Possible Scenarios Open
Imaging spectroscopy technique was introduced in the cultural heritage field in the 1990s, when a multi-spectral imaging system based on a Vidicon camera was used to identify and map pigments in paintings. Since then, with continuous impro…
UV-Vis Luminescence imaging techniques/ Técnicas de imagen de luminiscencia UV-Vis Open
Ever since its first introduction in the field of conservation, the role of UV-VIS luminescence/fluorescence (UVL and UVf, respectively) imaging has been expanding.The unique and significant contribution of this technique for investigation…
Multi-technical approach for the characterization of polychrome decorative surfaces at Spanish Mission Churches in Nueva Vizcaya (Chihuahua, Mexico) Open
An interdisciplinary and multi-institutional group of science and art conservation specialists has provided new insight into the painting materials used in the polychrome walls and wooden ceilings in four seventeenth century Spanish coloni…
JAIC special issue on “Reflectance hyperspectral imaging to support documentation and conservation of 2D artworks” Open
This is the first time the Journal of American Institute for Conservation dedicates a special issue to the emerging topic of “Reflectance hyperspectral imaging to support documentation and conserva...
A New Compact VNIR Hyperspectral Imaging System for Non-Invasive Analysis in the FineArt and Architecture Fields Open
A new compact Specim IQ hyperspectral camera working in the 400-1000 nm range has been launched on the market. Its use in the investigation of different artworks and under diverse environmental conditions will be presented.
Assessment of multispectral and hyperspectral imaging systems for digitisation of a Russian icon Open
In a study of multispectral and hyperspectral reflectance imaging, a Round Robin Test assessed the performance of different systems for the spectral digitisation of artworks. A Russian icon, mass-produced in Moscow in 1899, was digitised b…
Pre‐hispanic pigments and Italian renaissance designs at Spanish colonial missions churches in Northern Mexico Open
This article presents the early ATR‐FTIR and FORS results of the analysis carried out in five polychrome wooden ceilings from different Jesuit Spanish colonial mission churches. These mission churches date between 1674 and 1723 and are loc…