Results 11 to 20 of about 6,295 (249)

Testing the Accuracy of the Calculation of Gold Leaf Thickness by MC Simulations and MA-XRF Scanning [PDF]

Applied Sciences, 2020
The use of X-ray fluorescence (XRF) scanning systems has become a common practice in many application sectors. In multistratified and heterogeneous samples, the simple analysis of an XRF spectrum as a response of the entire sample is not reliable, so ...
Sergio Augusto Barcellos Lins, Giovanni Ettore Gigante, Roberto Cesareo, Stefano Ridolfi, Antonio Brunetti   +4 more
doaj   +4 more sources

The Importance of Being Versatile: INFN-CHNet MA-XRF Scanner on Furniture at the CCR “La Venaria Reale” [PDF]

Applied Sciences, 2021
At present, the use of non-destructive, non-invasive X-ray-based techniques is well established in heritage science for the analysis and conservation of works of art.
Leandro Sottili, Laura Guidorzi, Anna Mazzinghi, Chiara Ruberto, Lisa Castelli, Caroline Czelusniak, Lorenzo Giuntini, Mirko Massi, Francesco Taccetti, Marco Nervo, Stefania De Blasi, Rodrigo Torres, Francesco Arneodo, Alessandro Re, Alessandro Lo Giudice   +14 more
doaj   +2 more sources

The Importance of Preventive Analysis in Heritage Science: MA-XRF Supporting the Restoration of Madonna with Child by Mantegna

Applied Sciences, 2023
The Madonna with Child by Andrea Mantegna owned by the Museo Poldi Pezzoli in Milan is painted on canvas with an unusual distemper technique. During the period of 1863–1865, the painting was restored by Giuseppe Molteni.
Anna Mazzinghi, Lisa Castelli, Francesca Giambi, Chiara Ruberto, Leandro Sottili, Francesco Taccetti, Lorenzo Giuntini   +6 more
doaj   +3 more sources

Use of the MA-XRF Technique in the Authentication of Guignard’s Artwork Recovered by the RJ Civil Police

Semina: Ciências Exatas e Tecnológicas
Artworks are frequently implicated in the commission of crimes of money laundering, fraud, corruption and robbery/theft. On August 10, 2022, Operação Sol Poente (Operation Setting Sun), launched by the Civil Police of Rio de Janeiro, recovered seventeen ...
Nilton Thaumaturgo Rocha Junior, Claudia Regina Ferreira de Souza, André Rocha Pimenta, Valter de Souza Félix, Renato Pereira de Freitas   +4 more
doaj   +2 more sources

Analysis of Oval Paintings Attributed to the Painter Leandro Joaquim Using XRF and MA-XRF

Semina: Ciências Exatas e Tecnológicas
Three paintings attributed to the Brazilian artist Leandro Joaquim (1738–1798) were analyzed in situ using X-ray fluorescence (XRF) and macro X-ray fluorescence scanning (MA-XRF) techniques.
Ana Leticia Castro de Oliveira, Renato Pereira de Freitas, André Rocha Pimenta , Valter de Souza Felix, Monica Grôppo Parma, Isolda Maria de Castro Mendes, Marcelino José dos Anjos   +6 more
doaj   +2 more sources

Large area imaging of forensic evidence with MA-XRF. [PDF]

Sci Rep, 2017
AbstractThis study introduces the use of macroscopic X-ray fluorescence (MA-XRF) for the detection, classification and imaging of forensic traces over large object areas such as entire pieces of clothing and wall paneling. MA-XRF was sufficiently sensitive and selective to detect human biological traces like blood, semen, saliva, sweat and urine on ...
Langstraat K, Knijnenberg A, Edelman G, van de Merwe L, van Loon A, Dik J, van Asten A.   +6 more
europepmc   +6 more sources

Characterisation of corrosion products on copper-based artefacts: potential of MA-XRF measurementsties of MA-XRF measurement [PDF]

ACTA IMEKO, 2021
The use of macro-X-ray fluorescence (MA-XRF) scanners is now widespread in cultural heritage applications. However, its use for the characterisation of metallic works of art is still limited. In this study, a novel portable MA-XRF scanner prototype was tested on artificially corroded copper samples to assess its analytical capabilities on corroded ...
Di Francia, Elisabetta, Grassini, Sabrina, Gigante, Giovanni Ettore, Ridolfi, Stefano, Barcellos Lins, Sergio Augusto   +4 more
openaire   +4 more sources

Deep learning for enhanced spectral analysis of MA-XRF datasets of paintings. [PDF]

Sci Adv
Recent advancements of noninvasive imaging techniques applied for the study and conservation of paintings have driven a rapid development of cutting-edge computational methods. Macro x-ray fluorescence (MA-XRF), a well-established tool in this domain, generates complex and voluminous datasets that pose analytical challenges.
Preisler Z, Andolina R, Busacca A, Caliri C, Miliani C, Romano FP.   +5 more
europepmc   +4 more sources

Study of the uniformity of aerosol filters by scanning MA‐XRF [PDF]

X-Ray Spectrometry, 2017
Energy‐dispersive X‐ray fluorescence (XRF) is an attractive analytical method to determine the level of air pollution by heavy metals. The concentration of the filter in ng/cm 2 is obtained by direct comparison of the net characteristic line intensity of an element with that of a thin film ...
A. Cabal, S. Legrand, B. Van den Bril, K. Toté, K. Janssens, P. Van Espen   +5 more
openaire   +2 more sources

MA-XRF measurement for corrosion assessment on bronze artefacts [PDF]

IMEKO TC-4 International Conference on Metrology for Archaeology and Cultural Heritage, 2019
In this study, an innovative portable macro X-Ray Fluorescence (MA-XRF) scanner prototype has been employed in order to gain information on composition and distribution of corrosion products artificially grown on Cu-based coupons. First results have shown the importance of using artificially corroded reference samples before any assessment on ...
Barcellos Lins, Sergio Augusto, Di Francia, Elisabetta, Grassini, Sabrina, Gigante, Giovanni Ettore, Ridolfi, Stefano   +4 more
openaire   +4 more sources