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Article
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
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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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...
