A5067301453- Cultural Heritage Materials Analysis
- Building materials and conservation
- Conservation Techniques and Studies
- Historical and Religious Studies of Rome
- Libraries, Manuscripts, and Books
- X-ray Spectroscopy and Fluorescence Analysis
- Historical Studies and Socio-cultural Analysis
- Image Processing and 3D Reconstruction
- Collagen: Extraction and Characterization
- Spectroscopy Techniques in Biomedical and Chemical Research
- Archaeological Research and Protection
- Archaeology and ancient environmental studies
- Glass properties and applications
- Historical and Architectural Studies
- 3D Surveying and Cultural Heritage
- Historical, Religious, and Philosophical Studies
- History and advancements in chemistry
- Advanced Fluorescence Microscopy Techniques
- Spectroscopy and Chemometric Analyses
- Parathyroid Disorders and Treatments
- Maritime and Coastal Archaeology
- Medieval Architecture and Archaeology
- Magnesium in Health and Disease
- Corrosion Behavior and Inhibition
- Photoacoustic and Ultrasonic Imaging
Ministère de la Culture
2022-2025
Centre d'Écologie et des Sciences de la Conservation
2015-2024
Centre de Recherche sur la Conservation
2014-2024
Ministère de la Culture
2016-2024
Centre National de la Recherche Scientifique
2006-2024
Nature Conservation Centre
2014-2021
National Museums Scotland
2004-2021
Muséum national d'Histoire naturelle
2019-2021
Centre National pour la Recherche Scientifique et Technique (CNRST)
2021
Sorbonne Université
2006-2018
To characterize more fully the metal soaps found in paint films or on surfaces, several were synthesized and their X-ray diffraction pattern Fourier transform infrared (FTIR) Raman spectra measured. Metal obtained from four different fatty acids drying oils — two saturated (palmitic stearic acids) unsaturated (oleic linoleic copper, zinc lead, three metals that are typically alloys systems. Data reported for following compounds: palmitic acid, oleic palmitate, stearate, oleate, linoleate,...
What is Stradivari's "secret"? The composition of the mythical varnish that coats violins has raised controversial assumptions for past two centuries. By using a complementary array analytical tools, chemical microstratigraphy these varnishes been established. results provide information on materials and techniques were used by Master, with detailed characterization varnish.
Smalt was commonly used as a pigment by artists between the 16th and 18th centuries. It is powdered blue potash glass colored cobalt ions often degrades causing dramatic changes in appearance of paintings. The aim work presented this paper to investigate structure environment around ion on deterioration, further our understanding basis loss color. Particles well-preserved altered smalt microsamples from paintings National Gallery, London, Louvre, Paris, were analyzed using synchrotron...
AbstractAccelerated corrosion tests have been used for almost 30 years to exclude corrosive materials from museum display and storage. The method reported by Green Thickett in 1995 has developed allow the evaluation of three metals (silver, copper lead) simultaneously a single test. Comparison wide range shown that differences results introduced this modification are less than encountered with replicate using same material employing previous method. Problems lead control investigated...
Abstract In the National Museums of Scotland (NMS) widespread alterations have been observed in glass collections 19th to 20th century, affecting British, Islamic and Asian glasses. It is important for museums be able distinguish between stable unstable glasses, so that particular care can taken preserve most sensitive objects. Elemental analysis by electron microprobe a selection British glasses indicated composition was directly linked degree stability glass. Because sampling objects often...
This paper presents the correlative imaging of collagen denaturation by nonlinear optical microscopy (NLO) and nanoscale infrared (IR) spectroscopy to obtain morphological chemical information at different length scales. Such multiscale correlated measurements are applied investigation ancient parchments, which mainly composed dermal fibrillar collagen. The main issue is characterize gelatinization, ultimate irreversible alteration corresponding gelatin, may also occur in biological tissues....
The blue pigment smalt, a potash silicate glass coloured with cobalt, was commonly used between the sixteenth and eighteenth centuries. composition is complex can vary considerably depending on manufacturing process elements that are present in raw materials addition to essential silica, potassium cobalt. It also often degrades through leaching of potassium, leading change cobalt coordination from tetrahedral octahedral, loss colour. In this study smalt (both well preserved altered) samples...
Second harmonic generation (SHG) microscopy is nowadays the gold standard technique for collagen structural imaging in intact tissues with sub-micrometer resolution. This multiphoton modality can be combined polarimetry to provide key information about 3D hierarchical organization of collagen. Notably, so-called anisotropy parameter processed from polarization-resolved SHG (P-SHG) has been shown vary orientational disorder fibrils within focal volume and their out-of-plane orientation....
Abstract White crystalline deposits were present on a large number of 19th and 20th century British glass artefacts in the National Museums Scotland collections. Analysis these by ion chromatography showed that sodium formate dominant ions. Raman spectroscopy identified anhydrate phase II as main phase, with I′, sulfate decahydrate possibly potassium at minor levels. Minor levels sodium, chloride detected scanning electron microscopy, suggesting presence chloride. Elemental analysis x‐ray...
Abstract This article examines the influence of composition on Raman spectra lead silicate glass. Modern and historic alkali glasses high‐lead glazed ceramics were analysed complementarily by spectrometry elemental techniques, either electron microprobe, proton induced X‐ray emission (PIXE) or scanning microscope with energy dispersive (SEM‐EDS). The results showed that can be easily distinguished from their profile. In glasses, continuous variations observed in compositional change....
The combination of an unstable glass composition, fluctuating humidity and a high concentration organic pollutants is responsible for the widespread alteration part collections National Museums Scotland (NMS). has resulted in formation crystalline corrosion at surface strong modification chemical structure glass. before after two soda-silicate glasses from NMS collection was examined by Raman spectroscopy assisted electron microprobe. Decomposition spectra offered insight into modified...
IPANEMA, a research platform devoted to ancient and historical materials (archaeology, cultural heritage, palaeontology past environments), is currently being set up at the synchrotron facility SOLEIL (Saint-Aubin, France; opened users in January 2008). The new open French, European international users. activities of are centred on two main fields: increased support projects methodological research. IPANEMA team occupies temporary premises SOLEIL, but comprises construction building that...
In order to better characterize metal soaps found in paint films or on surfaces, several were synthesized and their X-ray powder diffraction patterns measured. Metal obtained from four different fatty acids drying oils, two saturated (palmitic stearic acids) unsaturated (oleic linoleic acids), copper, zinc, lead, three metals that are typically alloys systems. data reported for the following compounds: palmitic acid, zinc palmitate, stearate, oleate, linoleate, copper lead oleate. Features...
Die Zusammensetzung von Stradivaris Lack war in den letzten zwei Jahrhunderten Anlass für viele Hypothesen und Kontroversen, ohne dass ein klares Verständnis der Materialien erreicht wurde. J.-P. Echard, L. Bertrand et al. schildern Zuschrift auf S. 202 ff. die chemische Stratigraphie Lacke fünf repräsentativen Stradivari-Instrumenten mit einer Vielzahl an Analysentechniken. Stradivari hat mehrere Rotpigmente verwendet vermutlich versucht, eine Vielfalt Nuancen zu erreichen, um seinen...
Conservation state of medieval parchments is noninvasively assessed by advanced quantitative nonlinear optical microscopy.