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Open AccessInnovative perspective for the cleaning of historical iron heritage: novel bio-organogel for the combined removal of undesired organic coatings and corrosion
An innovative green organogel was designed to simultaneously tackle inorganic compounds (i.e., iron corrosion) and organic substances (i.e., acrylic coatings) as undesired materials possibly present on the sur...
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Article
Open AccessNear-infrared hyperspectral imaging to map collagen content in prehistoric bones for radiocarbon dating
Many of the rarest prehistoric bones found by archaeologists are enormously precious and are considered to be part of our cultural and historical patrimony. Radiocarbon dating is a well-established technique t...
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Article
Open AccessDeep eutectic solvents: green solvents for the removal of degraded gelatin on cellulose nitrate cinematographic films
Cellulose nitrate (CN) has been used in the past as support for photographic negatives and cinematographic films. This material is particularly unstable and can undergoes severe degradation due to thermal, pho...
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Article
Open AccessAnalytical studies on commercial artists’ colour charts from Das Deutsche Farbenbuch (1925)—identification of synthetic and natural organic colourants by Raman microscopy, surface-enhanced Raman spectroscopy and metal underlayer ATR-FTIR spectroscopy
Historical colour charts provide a rich and often well-dated reference materials source for studying the chemical composition of all kinds of commercial brands of artists’ paints. This article presents the res...
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Article
Open AccessCombining elemental and immunochemical analyses to characterize diagenetic alteration patterns in ancient skeletal remains
Bones and teeth are biological archives, but their structure and composition are subjected to alteration overtime due to biological and chemical degradation postmortem, influenced by burial environment and condit...
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Article
Development and evaluation of a simple Raman spectral searching algorithm
Raman spectroscopy has grown to a frequently applied technique in the analysis of art and archaeological objects. The growth in applications is further driven by the development of new, small and compact spect...
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Article
Open AccessA new bio-based organogel for the removal of wax coating from indoor bronze surfaces
In this research, we propose an advanced system for the cleaning of wax-based coatings applied on indoor bronzes. To this aim we developed a new kind of eco-friendly gel based on PHB (poly-3-hydroxybutyrate) u...
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Characterization of outdoor bronze monument patinas: the potentialities of near-infrared spectroscopic analysis
The corrosion products usually found on outdoor bronzes are generated by the interaction between the metal alloy and the atmospheric pollutants. To protect the external surface of bronzes, different organic ma...
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Scientific Examinations of the Armenian Church Wall Paintings in Famagusta
Analytical investigations were aimed at providing the wall painting conservator with information related to the painting materials’ constitution with particular reference to the identification of binding media...
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Article
A follow-up on the analytical study of discolouration of the marble statues of Orsanmichele in Florence
The research complements the complex study carried out to understand the source of brown discolourations of ten marble statues in the Church of Orsanmichele in Florence, Italy. Originally located in exterior n...
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Immunochemical Micro Imaging Analyses for the Detection of Proteins in Artworks
The present review is aimed at reporting on the most advanced and recent applications of immunochemical imaging techniques for the localization of proteins within complex and multilayered paint stratigraphies....
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Article
Immunochemical Micro Imaging Analyses for the Detection of Proteins in Artworks
The present review is aimed at reporting on the most advanced and recent applications of immunochemical imaging techniques for the localization of proteins within complex and multilayered paint stratigraphies....
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Article
Open AccessUse of nano gold obtained by laser ablation for SEIRA analyses of colorants
The analysis of dyes in cultural heritage samples is a well-known challenging task, due to their inherent high tinting strength and consequent low concentration in the carrying matrix a fact that severely limi...
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Analysis of paint cross-sections: a combined multivariate approach for the interpretation of μATR-FTIR hyperspectral data arrays
The present research is aimed at introducing a suitable approach for the exploitation of the hyperspectral data obtained by μATR-FTIR analyses of paint cross-sections. The application of principal component an...
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Article
Development of a multiplexed chemiluminescent immunochemical imaging technique for the simultaneous localization of different proteins in painting micro cross-sections
The identification and localization of organic components in the complex stratigraphy of paintings play a crucial role in studies of painting techniques and authentication, restoration, and conservation of art...
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Article
Application of ATR-far-infrared spectroscopy to the analysis of natural resins
This study proposes FTIR spectroscopy in the far-infrared region (FarIR) as an alternative method for the characterisation of natural resins. To this purpose, standards of natural resins belonging to four diff...
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Article
Performance evaluation of map** and linear imaging FTIR microspectroscopy for the characterisation of paint cross sections
Different Fourier transform infrared microspectroscopic techniques, using attenuated total reflection (ATR) mode and single-element mercury–cadmium–telluride (MCT) detector (map**) or multielement MCT detect...
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Article
ATR and transmission analysis of pigments by means of far infrared spectroscopy
In the field of FTIR spectroscopy, the far infrared (FIR) spectral region has been so far less investigated than the mid-infrared (MIR), even though it presents great advantages in the characterization of thos...
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Article
Ultrasensitive chemiluminescent immunochemical identification and localization of protein components in painting cross-sections by microscope low-light imaging
The characterization and localization of proteins and other organic components in the complex stratigraphy of paintings is crucial for authentication and studies of painting techniques. With this aim we have d...