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Geddes da Filicaia E, Evershed RP, Peggie DA. Review of recent advances on the use of mass spectrometry techniques for the study of organic materials in painted artworks. Anal Chim Acta 2023; 1246:340575. [PMID: 36764767 DOI: 10.1016/j.aca.2022.340575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 10/28/2022] [Accepted: 10/29/2022] [Indexed: 11/06/2022]
Abstract
The study of painted artworks using scientific methods is fundamental for understanding the techniques used in their creation and their appropriate conservation. The ethical constraints involved in the handling of, and sampling from, these objects has steered recent developments in the field of Heritage science towards a range of new non-invasive/non-destructive spectroscopic techniques capable of providing important insights into their elemental or bulk chemical compositions. Due to the inherent complexities of heritage artefacts, however, their organic components are especially difficult to study in this way and their identification and degradation pathways are thus often best investigated using mass spectrometric (MS) techniques. The versatility, sensitivity and specificity of MS techniques are constantly increasing, with technological advances pushing the boundaries of their use in this field. The progress in the past ten years in the use of MS techniques for the analysis of paint media are described in the present review. While some historical context is included, the body of the review is structured around the five most widely used or emerging capabilities offered by MS. The first pertains to the use of spatially resolved MS to obtain chemical maps of components in cross-sections, which may yield information on both inorganic and organic materials, while the second area describes the development of novel sample preparation approaches for gas chromatography (GC)-MS to allow simultaneous analysis of a variety of components. The third focuses on thermally assisted analysis (either with direct MS or coupled with GC-MS), a powerful tool for studying macromolecules requiring zero (or minimal) sample pre-treatment. Subsequently, the use of soft ionisation techniques often combined with high-resolution MS for the study of peptides (proteomics) and other macromolecules (such as oligosaccharides and triglycerides) is outlined. The fifth area covers the advances in radiocarbon dating of painting components with accelerator MS (AMS). Lastly, future applications of other MS techniques to the study of paintings are mentioned; such as direct analysis in real time MS (DART-MS) and stable isotope ratio MS (IRMS). The latter, having proven its efficiency for the study of lipids in archaeological artefacts, is envisioned to become a valuable tool for this area, whereas DART-MS is already being utilised to study the surface composition of various museum objects. Rapid technological advances, resulting in increased sensitivity and selectivity of MS techniques, are opening up new approaches for paintings analysis, overcoming the fundamental hurdle of sample size available for destructive analysis. Importantly, while the last decade has seen proteomics applications come to the fore, this review aims to emphasise the wider potential of advanced MS techniques for the study of painting materials and their conservation.
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Affiliation(s)
- Eugenia Geddes da Filicaia
- Scientific Department, National Gallery, Trafalgar Square, London, WC2N 5DN, UK; Organic Geochemistry Unit, Bristol Biogeochemistry Research Centre, School of Chemistry, University of Bristol, Cantock's Close, Bristol, BS8 1T, UK.
| | - Richard P Evershed
- Organic Geochemistry Unit, Bristol Biogeochemistry Research Centre, School of Chemistry, University of Bristol, Cantock's Close, Bristol, BS8 1T, UK
| | - David A Peggie
- Scientific Department, National Gallery, Trafalgar Square, London, WC2N 5DN, UK
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2
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Shi C, Zhao C, Chen Y, Wu Y, Zhang J, Chang G, He L, Pan A. Insight into a Bentonite-Based Hydrogel for the Conservation of Sandstone-Based Cultural Heritage: In Situ Formation, Reinforcement Mechanism, and High-Durability Evaluation. ACS APPLIED MATERIALS & INTERFACES 2022; 14:52459-52466. [PMID: 36346342 DOI: 10.1021/acsami.2c13122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Conservation of sandstone-based cultural heritage has attracted a great deal of interest. We propose herein a novel protecting strategy, via in situ fabrication of bentonite-based hydrogels (B-H) inside sandstones, where the bentonite-based hydrogels serve as the underlying cement. To create bentonite-based hydrogels with controllable structure, possessing good mechanical and anti-swelling properties, we have optimized forming time, appearance, and viscosity. The hydrogel precursor penetrated into the pores of the sandstone; the hydrogel would then form within 3-5 h. As found by employing a fluorescent tracer, the precursor remained controllably in place without any apparent change in the sandstone morphology. The bentonite-based hydrogels that formed inside the sandstones presented strong hydrogen bonding, coordination, and ionic bonding, as well as strong mechanical interlocking to the sandstone matrix. As a result, the sandstones possessed enhanced mechanical compressive strength and excellent resistance to acid, salt, and freeze-thaw cycles. Our approach provides for a non-destructive, eco-friendly, easy-to-use, and long-term strategy for cultural preservation, one with excellent protection effects.
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Affiliation(s)
- Chengyu Shi
- School of Chemistry, Xi'an Jiaotong University, Xianning West Road, 28, Xi'an710049, China
| | - Chunyu Zhao
- School of Chemistry, Xi'an Jiaotong University, Xianning West Road, 28, Xi'an710049, China
| | - Yinghao Chen
- School of Chemistry, Xi'an Jiaotong University, Xianning West Road, 28, Xi'an710049, China
| | - Youshen Wu
- School of Chemistry, Xi'an Jiaotong University, Xianning West Road, 28, Xi'an710049, China
| | - Junjie Zhang
- School of Chemistry, Xi'an Jiaotong University, Xianning West Road, 28, Xi'an710049, China
| | - Gang Chang
- Instrumental Analysis Center of Xi'an Jiaotong University, Xi'an Jiaotong University, Xianning West Road, 28, Xi'an710049, China
| | - Ling He
- School of Chemistry, Xi'an Jiaotong University, Xianning West Road, 28, Xi'an710049, China
| | - Aizhao Pan
- School of Chemistry, Xi'an Jiaotong University, Xianning West Road, 28, Xi'an710049, China
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3
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Hydrogen‑deuterium exchange mass spectrometry to study interactions and conformational changes of proteins in paints. Biophys Chem 2022; 289:106861. [DOI: 10.1016/j.bpc.2022.106861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 07/07/2022] [Accepted: 07/24/2022] [Indexed: 11/18/2022]
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4
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Disentangling the chemistry of Australian plant exudates from a unique historical collection. Proc Natl Acad Sci U S A 2022; 119:e2116021119. [PMID: 35617429 DOI: 10.1073/pnas.2116021119] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
Significance For millennia, Aboriginal Australian peoples have used the extraordinary physicochemical properties of plant exudates from practical applications to cultural expression. We employ state-of-the-art spectroscopy to characterize the molecular compositions of well-preserved, native Australian plant exudates (Xanthorrhoea, Callitris, Eucalyptus, and Acacia) from a historic collection assembled over a century ago. This work demonstrates the benefits of X-ray Raman spectroscopy for the analysis of these complex natural systems. It provides key information for a broader understanding of their terpenoid, aromatic, phenolic, and polysaccharide composition and subsequent chemical classification. It complements Fourier-transform infrared and pyrolysis-gas chromatography-mass spectrometry by allowing bulk-sensitive analysis in a fully noninvasive manner and probes molecular features which remain silent in these commonly employed analyses.
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5
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Borg B, Dunn M, Ang ASM, Villis C. Canvas Painting Analysis Using Spectroscopic Analysis and Microcharacterisation Techniques. SENSORS (BASEL, SWITZERLAND) 2022; 22:1442. [PMID: 35214344 PMCID: PMC8878647 DOI: 10.3390/s22041442] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 01/24/2022] [Accepted: 02/09/2022] [Indexed: 11/17/2022]
Abstract
Raman spectroscopy is a well-recognised tool for the analysis of materials in canvas paintings. However, it can be difficult to interpret the peaks of the spectra without the additional context of the artwork such as the age, provenance, or colour. Reflectance spectrophotometry can be used to capture the colour of pigments, dyes, and lacquers, but is seldom used to complement Raman data. Additionally, reflectance spectrophotometry results can be influenced by the surface profile of the painting. To overcome these limitations, this work brings together three different analysis modalities to provide a singular, analytical map of the artwork. Raman spectroscopy was used to conduct the chemical identification of pigments, binding media, and varnish present in a synthetic painting sample. Reflectance spectrophotometry was applied to obtain colour information of the surface paint of the sample. Three-dimensional optical profilometry data was used to characterise the micro topology of the paint surface. These three data sets were spatially matched allowing the recorded spectroscopic data to be displayed with the corresponding colour and surface topography across the paint surface.
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Affiliation(s)
- Braeden Borg
- School of Science, Computing and Engineering Technologies, Swinburne University of Technology, Hawthorn, VIC 3123, Australia;
| | - Michelle Dunn
- School of Science, Computing and Engineering Technologies, Swinburne University of Technology, Hawthorn, VIC 3123, Australia;
| | - Andrew S. M. Ang
- School of Engineering, Swinburne University of Technology, Hawthorn, VIC 3123, Australia;
| | - Carl Villis
- Paintings Conservation, National Gallery of Victoria, Melbourne, VIC 3000, Australia;
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Dutta T, Steklý T, Kučera L, Lemr K. Dual-polarity MALDI mass spectrometry and imaging of oil binders and fatty acids in artworks using cyanographene as a single matrix. Talanta 2022; 242:123291. [DOI: 10.1016/j.talanta.2022.123291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 02/03/2022] [Accepted: 02/04/2022] [Indexed: 10/19/2022]
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Lluveras-Tenorio A, Orsini S, Pizzimenti S, Del Seppia S, Colombini MP, Duce C, Bonaduce I. Development of a GC–MS strategy for the determination of cross-linked proteins in 20th century paint tubes. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106633] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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8
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Micheluz A, Angelin EM, Lopes JA, Melo MJ, Pamplona M. Discoloration of Historical Plastic Objects: New Insight into the Degradation of β-Naphthol Pigment Lakes. Polymers (Basel) 2021; 13:2278. [PMID: 34301037 PMCID: PMC8309268 DOI: 10.3390/polym13142278] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 06/30/2021] [Accepted: 07/08/2021] [Indexed: 01/12/2023] Open
Abstract
Light is a determining factor in the discoloration of plastics, and photodegradation processes can affect the molecular structures of both the polymer and colorants. Limited studies focused on the discoloration of heritage plastics in conservation science. This work investigated the discoloration of red historical polyethylene (PE) objects colored with PR 48:2 and PR 53:1. High-density and low-density PE reference polymers, neat pigment powders, and historical samples were assessed before and after accelerated photoaging. The applied methodology provided insight into the individual light-susceptibility of polyethylenes, organic pigment lakes, and their combined effect in the photoaging of historical plastic formulations. After light exposure, both PE references and historical samples yellowed, PR53:1 faded, and PR 48:2 darkened; however, both organic pigments faded severely in the historical samples. This highlights the role played by the plastic binder likely facilitating the pigment photofading. Fourier transform infrared spectroscopy and mass spectrometry techniques-EGA-MS, PY-GC/MS, and TD-GC/MS-were successfully employed for characterizing the plastic formulations and degradation. The identification of phthalic compounds in both aged β-naphthol powders opens new venues for studies on their degradation. This work's approach and analytical methods in studying the discoloration of historical plastics are novel, proving their efficacy, reliability, and potentiality.
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Affiliation(s)
- Anna Micheluz
- Conservation Science Department, Deutsches Museum, Museumsinsel 1, 80538 Munich, Germany;
| | - Eva Mariasole Angelin
- Department of Conservation and Restoration and LAQV-REQUIMTE, NOVA School of Science and Technology, NOVA University Lisbon, 2829-516 Lisbon, Portugal;
| | - João Almeida Lopes
- iMed.ULisboa-Research Institute for Medicines, Faculty of Pharmacy, University of Lisbon, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal;
| | - Maria João Melo
- Department of Conservation and Restoration and LAQV-REQUIMTE, NOVA School of Science and Technology, NOVA University Lisbon, 2829-516 Lisbon, Portugal;
| | - Marisa Pamplona
- Conservation Science Department, Deutsches Museum, Museumsinsel 1, 80538 Munich, Germany;
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Nardelli F, Martini F, Lee J, Lluvears-Tenorio A, La Nasa J, Duce C, Ormsby B, Geppi M, Bonaduce I. The stability of paintings and the molecular structure of the oil paint polymeric network. Sci Rep 2021; 11:14202. [PMID: 34244532 PMCID: PMC8270892 DOI: 10.1038/s41598-021-93268-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Accepted: 06/11/2021] [Indexed: 02/06/2023] Open
Abstract
A molecular-level understanding of the structure of the polymeric network formed upon the curing of air-drying artists' oil paints still represents a challenge. In this study we used a set of analytical methodologies classically employed for the characterisation of a paint film-based on infrared spectroscopy and mass spectrometry-in combination with solid state NMR (SSNMR), to characterise model paint layers which present different behaviours towards surface cleaning with water, a commonly applied procedure in art conservation. The study demonstrates, with the fundamental contribution of SSNMR, a relationship between the painting stability and the chemical structure of the polymeric network. In particular, it is demonstrated for the first time that a low degree of cross-linking in combination with a high degree of oxidation of the polymeric network render the oil paint layer sensitive to water.
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Affiliation(s)
- Francesca Nardelli
- Department of Chemistry and Industrial Chemistry, University of Pisa, Via Giuseppe Moruzzi 13, 56124, Pisa, Italy
| | - Francesca Martini
- Department of Chemistry and Industrial Chemistry, University of Pisa, Via Giuseppe Moruzzi 13, 56124, Pisa, Italy
- Centro Per L'Integrazione Della Strumentazione Scientifica Dell'Università Di Pisa (CISUP), Lungarno Pacinotti 43, 56126, Pisa, Italy
| | - Judith Lee
- Conservation Department, Tate, Millbank, London, SW1P 4RG, UK
| | - Anna Lluvears-Tenorio
- Department of Chemistry and Industrial Chemistry, University of Pisa, Via Giuseppe Moruzzi 13, 56124, Pisa, Italy
| | - Jacopo La Nasa
- Department of Chemistry and Industrial Chemistry, University of Pisa, Via Giuseppe Moruzzi 13, 56124, Pisa, Italy
| | - Celia Duce
- Department of Chemistry and Industrial Chemistry, University of Pisa, Via Giuseppe Moruzzi 13, 56124, Pisa, Italy
| | - Bronwyn Ormsby
- Conservation Department, Tate, Millbank, London, SW1P 4RG, UK
| | - Marco Geppi
- Department of Chemistry and Industrial Chemistry, University of Pisa, Via Giuseppe Moruzzi 13, 56124, Pisa, Italy
- Centro Per L'Integrazione Della Strumentazione Scientifica Dell'Università Di Pisa (CISUP), Lungarno Pacinotti 43, 56126, Pisa, Italy
| | - Ilaria Bonaduce
- Department of Chemistry and Industrial Chemistry, University of Pisa, Via Giuseppe Moruzzi 13, 56124, Pisa, Italy.
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10
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La Nasa J, Modugno F, Degano I. Liquid chromatography and mass spectrometry for the analysis of acylglycerols in art and archeology. MASS SPECTROMETRY REVIEWS 2021; 40:381-407. [PMID: 32643188 DOI: 10.1002/mas.21644] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 05/29/2020] [Accepted: 06/22/2020] [Indexed: 06/11/2023]
Abstract
Lipid characterization in art and archeology, together with the study of lipid degradation processes, is an important research area in heritage science. Lipid-based materials have been used as food since ancient times, but also employed as illuminants and as ingredients in cosmetic, ritual, and pharmaceutical preparations. Both animal and plant lipids have also been processed to produce materials used in art and crafts, such as paint binders, varnishes, waterproofing agents, and coatings. Identifying the origin of the lipid materials is challenging when they are found in association with artistic historical objects. This is due to the inherent complex composition of lipids, their widespread occurrence, and the chemical alterations induced by ageing. The most common approach for lipid characterization in heritage objects entails profiling fatty acids by gas chromatography/mass spectrometry after saponification or transesterification. New developments in high-performance liquid chromatography coupled with mass spectrometry (HPLC-MS) for the characterization of acylglycerols, together with more efficient sample treatments, have fostered the introduction of liquid chromatography for characterizing the lipid profile in heritage objects. This review reports the latest developments and applications of HPLC-MS for the characterization of lipid materials in the field of heritage science. We describe the various approaches for sample pretreatment and highlight the advantages and limitations of HPLC-MS in the analysis of paint and archeological samples. © 2020 John Wiley & Sons Ltd.
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Affiliation(s)
- Jacopo La Nasa
- Department of Chemistry and Industrial Chemistry, University of Pisa, Via Giuseppe Moruzzi 13, Pisa, 56124, Italy
| | - Francesca Modugno
- Department of Chemistry and Industrial Chemistry, University of Pisa, Via Giuseppe Moruzzi 13, Pisa, 56124, Italy
| | - Ilaria Degano
- Department of Chemistry and Industrial Chemistry, University of Pisa, Via Giuseppe Moruzzi 13, Pisa, 56124, Italy
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11
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Elsässer C, Micheluz A, Pamplona M, Kavda S, Montag P. Selection of thermal, spectroscopic, spectrometric, and chromatographic methods for characterizing historical celluloid. J Appl Polym Sci 2021. [DOI: 10.1002/app.50477] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Christina Elsässer
- Conservation Science Department Deutsches Museum Munich Germany
- Chair of Non‐destructive Testing Technical University of Munich Munich Germany
| | - Anna Micheluz
- Conservation Science Department Deutsches Museum Munich Germany
| | - Marisa Pamplona
- Conservation Science Department Deutsches Museum Munich Germany
| | - Stefani Kavda
- Conservation Science Department Deutsches Museum Munich Germany
| | - Peter Montag
- Analytical Service Department PSS, Polymer Standards Service GmbH Mainz Germany
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12
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La Nasa J, Doherty B, Rosi F, Braccini C, Broers FTH, Degano I, Matinero JM, Miliani C, Modugno F, Sabatini F, Sandu ICA, Cartechini L. An integrated analytical study of crayons from the original art materials collection of the MUNCH museum in Oslo. Sci Rep 2021; 11:7152. [PMID: 33785789 PMCID: PMC8010065 DOI: 10.1038/s41598-021-86031-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 03/05/2021] [Indexed: 11/08/2022] Open
Abstract
Among the artists' materials of the nineteenth century, pastel crayons merit scientific interest since their early commercial formulations are mostly unknown and, until now, have been considerably less studied with respect to other contemporary painting materials. In this framework, research herein reports the results of a comprehensive multi-analytical study of 44 pastel crayons of two recognized brands (LeFranc and Dr. F. Schoenfeld) from the Munch museum collection of original materials belonging to Edvard Munch. The integrated use of complementary spectroscopic and hyphenated mass-spectrometry techniques allowed the compositional profiles of the crayons to be traced providing the identification of the inorganic and organic pigments, the fillers/extenders and the binders. All crayons resulted to be oil- based and the binder was identified to be a mixture of a drying oil (safflower or linseed oil), palm oil or Japan wax and beeswax. Among others, pigments such as ultramarine, chrome yellows, Prussian blue, manganese violet, viridian and madder lake have been identified. A significant alignment in formulations of the brands was observed with the only exception of the greens which showed distinctive pigment and filler compositions. The analytical information provided for these commercial artists' materials will be of great interest for academia, museum and other institutions hosting art collections dating from the same period and it will be used by the Munch museum to draw proper conservation strategies of its own artwork collections.
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Affiliation(s)
- Jacopo La Nasa
- Department of Chemistry and Industrial Chemistry, University of Pisa, Via G. Moruzzi 13, 56124, Pisa, Italy
| | - Brenda Doherty
- Istituto CNR di Scienze e Tecnologie Chimiche "G.Natta" CNR-SCITEC, Via Elce di Sotto 8, 01628, Perugia, Italy.
| | - Francesca Rosi
- Istituto CNR di Scienze e Tecnologie Chimiche "G.Natta" CNR-SCITEC, Via Elce di Sotto 8, 01628, Perugia, Italy.
| | - Chiara Braccini
- Department of Chemistry and Industrial Chemistry, University of Pisa, Via G. Moruzzi 13, 56124, Pisa, Italy
| | - Frederique T H Broers
- Istituto CNR di Scienze e Tecnologie Chimiche "G.Natta" CNR-SCITEC, Via Elce di Sotto 8, 01628, Perugia, Italy
| | - Ilaria Degano
- Department of Chemistry and Industrial Chemistry, University of Pisa, Via G. Moruzzi 13, 56124, Pisa, Italy
| | - Jordi Moles Matinero
- Istituto CNR di Scienze e Tecnologie Chimiche "G.Natta" CNR-SCITEC, Via Elce di Sotto 8, 01628, Perugia, Italy
| | - Costanza Miliani
- Istituto CNR per le Scienze del Patrimonio Culturale (CNR-ISPC), Via Cardinale Guglielmo Sanfelice 8, 80134, Napoli, Italy
| | - Francesca Modugno
- Department of Chemistry and Industrial Chemistry, University of Pisa, Via G. Moruzzi 13, 56124, Pisa, Italy
| | - Francesca Sabatini
- Department of Chemistry and Industrial Chemistry, University of Pisa, Via G. Moruzzi 13, 56124, Pisa, Italy
| | - Irina Crina Anca Sandu
- Department of Collection Care and Management, MUNCH, Edvard Munchs Plass 1, Sørenga, Postboks 3304, 0194, Oslo, Norway
| | - Laura Cartechini
- Istituto CNR di Scienze e Tecnologie Chimiche "G.Natta" CNR-SCITEC, Via Elce di Sotto 8, 01628, Perugia, Italy
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On the Set of Fellini’s Movies: Investigating and Preserving Multi-Material Stage Costumes Exploiting Spectroscopic and Mass Spectrometric Techniques. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11072954] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Since the second half of the 19th century, the world of textile production was radically changed both in terms of esthetics and of the performances leading to industrial products whose chemical properties were totally unknown and unexplored. Stage costumes are typical examples of multi-material art objects where different natural and synthetic materials were used to fulfil specific purposes. This research was performed in the framework of a diagnostic and restoration campaign of dresses of two Federico Fellini’s movies (“Il Casanova” and “Roma”). For the characterization of the textile fibers, Attenuated Total Reflection Fourier Transform Infrared Spectroscopy (ATR-FTIR) and Pyrolysis Gas Chromatography coupled with Mass Spectrometry (Py-GC/MS) were employed. The structure of the metallic threads was investigated by Scanning Electron Microscopy coupled with Energy-Dispersive X-ray Spectroscopy (SEM-EDX). Dye identification was carried out by High Performance Liquid Chromatography coupled with Diode Array Detector and mass spectrometry (HPLC-DAD, HPLC-ESI-Q-ToF). The analytical approach adopted allowed us to fully characterize the costumes composed of natural, synthetic and artificial fibers dyed with complex mixtures of last generation synthetic dyes. The results collected were fundamental to fine-tune an effective restoration aimed at minimizing the damages due to ageing, inaccurate home-made restoration interventions, or poor conservation conditions.
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14
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Analytical Pyrolysis and Mass Spectrometry to Characterise Lignin in Archaeological Wood. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app11010240] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
This review describes the capability of analytical pyrolysis-based techniques to provide data on lignin composition and on the chemical alteration undergone by lignin in archaeological wooden objects. Applications of Direct Exposure Mass Spectrometry (DE-MS), Evolved Gas Analysis Mass Spectrometry (EGA-MS), and single and double-shot Pyrolysis-Gas Chromatography/Mass Spectrometry (Py-GC/MS) in archaeological lignin characterisation are described. With comparison to cellulose and hemicelluloses, lignin is generally less prone to most degradation processes affecting archaeological artefacts in burial environments, especially waterlogged ones, which are the most favourable for wood preservation. Nevertheless, lignin also undergoes significant chemical changes. As wood from waterlogged environments is mainly composed of lignin, knowledge of its chemical structure and degradation pathways is fundamental for choosing preventive conservation conditions and for optimising consolidation methods and materials, which directly interact with the residual lignin. Analytical pyrolysis coupled with mass spectrometry, used in several complementary operational modes, can gather information regarding the chemical modifications and the state of preservation of lignin, especially concerning oxidation and depolymerisation phenomena. Several applications to the analysis of wood from archaeological artefacts affected by different conservation problems are presented to showcase the potential of analytical pyrolysis in various scenarios that can be encountered when investigating archaeological waterlogged wood.
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15
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Angelin EM, Ghirardello M, Babo S, Picollo M, Chelazzi L, Melo MJ, Nevin A, Valentini G, Comelli D. The multi-analytical in situ analysis of cadmium-based pigments in plastics. Microchem J 2020. [DOI: 10.1016/j.microc.2020.105004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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16
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Zuena M, Legnaioli S, Campanella B, Palleschi V, Tomasin P, Tufano MK, Modugno F, La Nasa J, Nodari L. Landing on the moon 50 years later: A multi-analytical investigation on Superficie Lunare (1969) by Giulio Turcato. Microchem J 2020. [DOI: 10.1016/j.microc.2020.105045] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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17
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Wagner B, Czajka A. Non-invasive approximation of elemental composition of historic inks by LA-ICP-MS measurements of bathophenanthroline indicators. Talanta 2020; 222:121520. [PMID: 33167230 DOI: 10.1016/j.talanta.2020.121520] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2020] [Revised: 08/03/2020] [Accepted: 08/05/2020] [Indexed: 11/18/2022]
Abstract
The approximated identification of elemental composition of historic iron gall-inks is proposed based on results of laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) measurements combined with a quick detection of iron (II) ions. Colorimetric response of test papers soaked with bathophenanthroline (BPhen) allows for detection of iron in the form of red-coloured complex of Fe(II) with BPhen. A co-migration of other elements (Cu, Zn, Pb, Al, K, Na, Mg) into indicators was confirmed by LA-ICP-MS measurements allowing for approximation of chemical diversity of handwritten documents in a totally non-invasive manner in respect to originals. The proposed analytical approach for in-direct studies of unique documents was tested on historic and model samples. The idea of approximation of elemental composition of the historic inks was found promising for purposes of conservation diagnosis towards estimation of corrosiveness of inks and eventual fingerprinting. It has been demonstrated that the presence of Fe as well as other elements (S, Cu and Mn) which are significant for recognition of ink corrosion can be detected in the used indicators extending the possibilities of examining valuable manuscripts in a way that is completely neutral for them.
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Affiliation(s)
- B Wagner
- Faculty of Chemistry, Biological and Chemical Research Centre, University of Warsaw, Żwirki i Wigury 101, 02-089, Warsaw, Poland.
| | - A Czajka
- Central Archives of Historical Records, Długa 7, 00-263, Warsaw, Poland
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Zhou Z, Shen L, Li C, Wang N, Chen X, Yang J, Zhang H. Investigation of gilding materials and techniques in wall paintings of Kizil Grottoes. Microchem J 2020. [DOI: 10.1016/j.microc.2019.104548] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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Nasa JL, Biale G, Ferriani B, Trevisan R, Colombini MP, Modugno F. Plastics in Heritage Science: Analytical Pyrolysis Techniques Applied to Objects of Design. Molecules 2020; 25:molecules25071705. [PMID: 32276409 PMCID: PMC7180901 DOI: 10.3390/molecules25071705] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Revised: 04/04/2020] [Accepted: 04/06/2020] [Indexed: 11/24/2022] Open
Abstract
The first synthetic polymers were introduced as constituents of everyday life, design objects, and artworks at the end of the 19th century. Since then, the history of design has been strictly connected with the 20th century evolution of plastic materials. Objects of design from the 20th century are today a precious part of the cultural heritage. They raise specific conservation issues due to the degradation processes affecting synthetic polymer-based plastics. Museums and collections dealing with the conservation of design objects and modern materials need to base their conservation strategies on compositional data that reveal the formulations of historical plastics and their decay processes. Specific and specifically optimized analytical tools are thus needed. We employed flash analytical pyrolysis coupled with gas chromatography and mass spectrometry (Py-GC/MS) and evolved gas analysis coupled with mass spectrometry (EGA-MS) to characterize “historic polymeric materials” (HIPOMS) and heritage plastics at the molecular level with high chemical detail. This approach complements non-invasive spectroscopic diagnosis whenever it fails to obtain significant or complete information on the nature and the state of preservation of the materials under study. We determined the composition of several 20th century design objects (1954–1994) from the Triennale Design Museum of Milan (Triennale Milano - Museo del Design Italiano), which for different morphological, chemical, or physical reasons were unsuitable for characterization by non-invasive spectroscopy. EGA-MS proved capable for the study of the different fractions constituting heterogeneous micro-samples and for gaining an insight into their degradation processes from the contextual interpretation of thermal and mass-spectrometric data.
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Affiliation(s)
- Jacopo La Nasa
- Department of Chemistry and Industrial Chemistry, University of Pisa, 56124 Pisa, Italy; (J.L.N.); (G.B.); (M.P.C.)
| | - Greta Biale
- Department of Chemistry and Industrial Chemistry, University of Pisa, 56124 Pisa, Italy; (J.L.N.); (G.B.); (M.P.C.)
| | | | - Rafaela Trevisan
- Conservation Laboratory at Triennale Milano, Museo del Design Italiano, 20121 Milano, Italy;
| | - Maria Perla Colombini
- Department of Chemistry and Industrial Chemistry, University of Pisa, 56124 Pisa, Italy; (J.L.N.); (G.B.); (M.P.C.)
| | - Francesca Modugno
- Department of Chemistry and Industrial Chemistry, University of Pisa, 56124 Pisa, Italy; (J.L.N.); (G.B.); (M.P.C.)
- Correspondence: ; Tel.: +39-050-2219303
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La Nasa J, Modugno F, Colombini MP, Degano I. Validation Study of Selected Ion Flow Tube-Mass Spectrometry (SIFT-MS) in Heritage Science: Characterization of Natural and Synthetic Paint Varnishes by Portable Mass Spectrometry. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2019; 30:2250-2258. [PMID: 31489561 DOI: 10.1007/s13361-019-02305-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Revised: 07/29/2019] [Accepted: 07/29/2019] [Indexed: 06/10/2023]
Abstract
The identification at molecular level of organic materials in heritage objects as paintings requires in most cases the collection of micro-samples followed by micro-destructive analysis. In this study, we explore the possibility to characterize natural and synthetic resins used as paint varnishes by mean of non-invasive analysis of released volatile organic compounds (VOCs) through selected ion flow tube-mass spectrometry (SIFT-MS). SIFT-MS is a portable direct mass spectrometric technique that achieves the analysis of VOCs at trace levels in real time, by controlled ultra-soft chemical ionization using eight different chemical ionization agents. We tested the portable instrumentation on different reference resins used as paint varnishes, both natural (mastic, dammar, and colophony) and synthetic (Paraloid B67, MS2A, Regalrez 1094, and polyvinyl acetate), to evaluate the possibility to acquire qualitative data for the identification of these materials in heritage objects avoiding any sampling. This new analytical approach was validated by comparison with the traditional approach for VOCs analysis based on solid phase micro extraction-gas chromatography/mass spectrometry (SPME-GC/MS) analysis. The results demonstrate the use of SIFT-MS as an in situ non-invasive and non-destructive mass spectrometric technique to identify organic materials, such as paint varnishes.
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Affiliation(s)
- Jacopo La Nasa
- Department of Chemistry and Industrial Chemistry, University of Pisa, Pisa, Italy
| | - Francesca Modugno
- Department of Chemistry and Industrial Chemistry, University of Pisa, Pisa, Italy
| | | | - Ilaria Degano
- Department of Chemistry and Industrial Chemistry, University of Pisa, Pisa, Italy.
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La Nasa J, Nardella F, Modugno F, Colombini MP, Ribechini E, Degano I. SIFT-ing archaeological artifacts: Selected ion flow tube-mass spectrometry as a new tool in archaeometry. Talanta 2019; 207:120323. [PMID: 31594618 DOI: 10.1016/j.talanta.2019.120323] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 09/02/2019] [Accepted: 09/04/2019] [Indexed: 12/17/2022]
Abstract
A fast non-destructive approach based on the use of portable selected ion flow tube-mass spectrometry (SIFT-MS) was used for the first time to characterize organic materials in archaeological artifacts. The high sensitivity, specificity and selectivity SIFT soft chemical ionization mass spectrometry enabled us to investigate the composition of organic residues collected from ancient Egyptian findings in order to demonstrate the robustness of the techniques with different matrices. In addition, we tested SIFT-MS directly on an archaeological Egyptian amphora to prove its suitability as a completely non-invasive technique. Parallel investigations on all the samples were performed by GC/MS analysis to correlate and confirm the data obtained by SIFT-MS. The possibility of using a portable mass spectrometer on an excavation site or in a museum would be a significant step forward in the non-invasive analysis of organic archaeological materials, enabling archeologists and conservators to obtain real-time information on the molecular composition of organic residues.
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Affiliation(s)
- Jacopo La Nasa
- Department of Chemistry and Industrial Chemistry, University of Pisa, Italy.
| | - Federica Nardella
- Department of Chemistry and Industrial Chemistry, University of Pisa, Italy
| | - Francesca Modugno
- Department of Chemistry and Industrial Chemistry, University of Pisa, Italy
| | | | - Erika Ribechini
- Department of Chemistry and Industrial Chemistry, University of Pisa, Italy
| | - Ilaria Degano
- Department of Chemistry and Industrial Chemistry, University of Pisa, Italy
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Analytical pyrolysis in cultural heritage. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2018; 10:5463-5467. [PMID: 33985310 DOI: 10.1039/c8ay90151a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Analytical pyrolysis (Py), especially when coupled with gas chromatography and mass spectrometry (Py-GC-MS), is a powerful technique for the characterisation and identification of organic materials used in artwork. The thermal degradation of macromolecules (for example, resins, lacquers, proteins, polysaccharides, oils, modern synthetic polymers, etc.) using heat (thermal energy) generates smaller molecules (pyrolysis products) which are easier to identify and study. Some of these pyrolysis products are molecular markers allowing the identification of a specific material despite the sample's complexity. A micro-sample (50-100 μg) is destroyed during the analysis but the lack of sample preparation makes Py-GC-MS a very attractive technique with a much reduced analytical time and cost compared to other chromatographic methods.
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Detection of degradation markers from polymer surfaces by a novel SERS-based strategy. Talanta 2018; 191:156-161. [PMID: 30262045 DOI: 10.1016/j.talanta.2018.08.046] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Revised: 08/09/2018] [Accepted: 08/17/2018] [Indexed: 01/28/2023]
Abstract
This paper provides new insights for the study of polymer degradation through the detection of markers released at the polymer surface using Al-coated SERS active substrates. Combining a nanodestructive sampling procedure with the SERS sensitivity allows achieving detection limits much lower than traditional polymer characterization techniques, opening the way to the use of SERS as part of an innovative strategy to diagnose surface degradation in polymeric museum artefacts. The method was applied to artificially photo-aged model polymers and to museum artworks.
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