Search results for " painting."
showing 10 items of 152 documents
A multi-analytical non-invasive and micro-invasive approach to canvas oil paintings. General considerations from a specific case
2017
Abstract The investigation of artwork to understand story, state of conservation and to know about the composing materials is an issue that is getting growing attention in specialized literature. From a methodological point of view the scientific community is trying to reach a common proposal that could contribute to define a Standard Operating Procedure (SOP) for the application of portable non-invasive and microinvasive techniques for in-situ analyses. In this paper the oil painting on canvas “St. Girolamo nello studio” by Nicolo Buttafoco was investigated to known the materials and techniques used by the artist as well as to evaluate its preservation status. The survey has been conducted…
Microanalytical method for studying paintings by use of fluorescence spectroscopy combined with principal component analysis
2013
Abstract The study of several different naturally aged films of organic painting materials, is described. Materials studied include drying oils (walnut, poppy seed and linseed oil) resin-based paint varnishes (the triterpenoid dammar and the diterpenoids sandarac and turpentine) and protein-based binding media (egg yolk and casein). A not expensive methodology for a rapid identification of binding media and varnishes, that applies principal component analysis (PCA) to Excitation Emission (EE) fluorescence spectra, is proposed. PCA was performed on a data matrix where the rows represent studied materials and columns the variables; the variables include the fluorescence intensities associated…
Phylogenomics of species from four genera of New World monkeys by flow sorting and reciprocal chromosome painting
2007
Abstract Background The taxonomic and phylogenetic relationships of New World monkeys (Platyrrhini) are difficult to distinguish on the basis of morphology and because diagnostic fossils are rare. Recently, molecular data have led to a radical revision of the traditional taxonomy and phylogeny of these primates. Here we examine new hypotheses of platyrrhine evolutionary relationships by reciprocal chromosome painting after chromosome flow sorting of species belonging to four genera of platyrrhines included in the Cebidae family: Callithrix argentata (silvered-marmoset), Cebuella pygmaea (pygmy marmoset), Callimico goeldii (Goeldi's marmoset) and Saimiri sciureus (squirrel monkey). This is t…
The Contribution of Microchemical Analyses and Diagnostic Imaging to the Conservation and Identification of the Degraded Surfaces of Hellenistic-Roma…
2020
The Archaeological Museum of Palermo (Sicily) has recently presented the results of the restoration of three wall paintings from the House of the Masks of Solunto archaeological site. These significant paintings, dating back to the first century BCE, are the most significant examples of Pompeian style discovered in Sicily to date. The cycle of frescoes unearthed is the best preserved and most complete example of wall painting dating to the Republican Roman period in Sicily. This house was a luxurious private residence built on two floors and centred around a peristyle. This fresco cycle embellished the walls of a banquet room (oecus) discovered during an archaeological excavation carried ou…
Organic materials in the wall paintings in Pompei: a case study of Insuladel Centenario
2012
Abstract Background The present research concerns the Roman wall paintings preserved at Insula del Centenario (IX, 8), the important Pompeian block situated in the Regio IX, along Via di Nola. Results The aims of this research are two: to verify the presence of lipidic and proteinaceous material to spread the pigments, and to identify organic matter in painting materials owing to previous restoration works. The samples collected from the wall paintings of different rooms have been investigated by Fourier Transform Infrared Spectroscopy (FT-IR), and Gas Chromatography/ Mass Spectrometry (GC/MS). Conclusions The analytical results show that these Roman wall paintings were realized without the…
The visual principle and the correlation between teaching of the Catholic religion and art education in Polish school
2017
Contemporary culture – as already noted – is becoming more and more visual. Contemporary catechesis, referring to its rich, centuries-long experience, should also use different types of images. The first part of this article presents the visual principle as one of basic educating principles, and the second part presents the correlation between the teaching of Catholic religion, and art education in Polish schools. One specific example of using religious painting are in textbooks. Masterpieces of painting, created during centuries and expressing particular desires of their creators, still remain an important inspiration, among others, to the religious search. Faith, though strongly anchored …
Multitechnique diagnostic analysis and 3D surveying prior to the restoration of St. Michael defeating Evil painting by Mattia Preti
2021
In this study, a multimethodological analysis involving optical and physical/chemical diagnostic techniques and 3D photogrammetric survey was successfully applied, for the first time, on the large oil on canvas St. Michael defeating Evil painting by Mattia Preti, located inside the Church of the Immaculate Conception of Sarria (Floriana) in Malta. Pigmenting agents, binder media, and raw materials were first characterized, both at elemental and molecular scales, through X-ray fluorescence spectroscopy (XRF), optical stereo microscopy (SM), scanning electron microscopy coupled with energy dispersive X-ray spectroscopy (SEM-EDX), Fourier transform infrared spectroscopy (FT-IR), and gas chroma…
Nuevas pinturas europeas en el MOBAT (Chile)
2018
El MOBAT es uno de los espacios culturales más significados de Chile, por la historia que envuelve su emblemático edificio como por la cantidad y calidad de obras artísticas y piezas históricas que atesora. Sin embargo, desde el terremoto de 2010, permanece cerrado al público y pendiente de ser restaurado y rehabilitado. En este trabajo completamos otros estudios anteriormente publicados sobre la colección de pintura europea que el museo alberga entre sus muros. The MOBAT is one of the most significant cultural spaces in Chile, due to the history that surrounds its emblematic building as well as the quantity and quality of artistic works and historical pieces that it treasures. However, sin…
Fourier Transform Infrared (FT-IR) Microspectroscopy of 20th Century Russian Oil Paintings: Problem of Dating
2015
Analysis of the IR spectra of samples from 230 Russian oil paintings of the 20th century is used to propose a procedure for the threshold estimation of the age of paintings based on measured parameters (intensity ratios of spectral bands). The bands of compounds that are formed upon interaction of pigment (zinc white) with oil are used for dating.
Photodegradation of selected phthalates on mural painting surfaces under UV light irradiation
2014
Abstract The esters of phthalic acid are considered as hazardous pollutants due to their mutagenicity, carcinogenicity and are also classified as endocrine disruptor chemicals. Several compounds of this class of substances for decades, and probably even now, were used as softeners in water-based synthetic paintings. Surfaces and structures, such as house walls painted with phthalates based paintings, can be a concern to construction workers engaged in demolition, restore and paint removal activities if they are not protected from hazardous dust inhalation. In this paper we report the results of an investigation about phthalate ester degradation by direct UV irradiation at 254 nm. The result…