“Compositional and quantitative microtextural characterization of historic paintings by micro-X-ray diffraction and Raman microscopy”. Romero-Pastor J, Duran A, Rodríguez-Navarro AB, Van Grieken R, Cardell C, Analytical chemistry 83, 8420 (2011). http://doi.org/10.1021/AC201159E
Abstract: This work shows the benefits of characterizing historic paintings via compositional and microtextural data from micro-X-ray diffraction (μ-XRD) combined with molecular information acquired with Raman microscopy (RM) along depth profiles in paint stratigraphies. The novel approach was applied to identify inorganic and organic components from paintings placed at the 14th century Islamic UniversityMadrasah Yusufiyyain Granada (Spain), the only Islamic University still standing from the time of Al-Andalus (Islamic Spain). The use of μ-XRD to obtain quantitative microtextural information of crystalline phases provided by two-dimensional diffraction patterns to recognize pigments nature and manufacture, and decay processes in complex paint cross sections, has not been reported yet. A simple Nasrid (14th century) palette made of gypsum, vermilion, and azurite mixed with glue was identified in polychromed stuccos. Here also a Christian intervention was found via the use of smalt, barite, hematite, Brunswick green and gold; oil was the binding media employed. On mural paintings and wood ceilings, more complex palettes dated to the 19th century were found, made of gypsum, anhydrite, barite, dolomite, calcite, lead white, hematite, minium, synthetic ultramarine blue, and black carbon. The identified binders were glue, egg yolk, and oil.
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1021/AC201159E
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“Determination of platinum, palladium, and rhodium in automotive catalysts using high-energy secondary target X-ray fluorescence spectrometry”. van Meel K, Smekens A, Behets M, Kazandjian P, Van Grieken R, Analytical chemistry 79, 6383 (2007). http://doi.org/10.1021/AC070815R
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1021/AC070815R
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“Determination of the cd-bearing phases in municipal solid waste and Biomass single fly ash particles using SR-mu XRF Spectroscopy”. Camerani MC, Somogyi A, Vekemans B, Ansell S, Simionovici AS, Steenari B-M, Panas I, Analytical chemistry 79, 6496 (2007). http://doi.org/10.1021/AC070206J
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1021/AC070206J
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“X-ray spectrometry”. Szalóki I, Osán J, Van Grieken RE, Analytical chemistry 78, 4069 (2006). http://doi.org/10.1021/AC060688J
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1021/AC060688J
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“Quantitative determination of low-Z elements in single atmospheric particles on boron substrates by automated scanning electron microscopy: energy-dispersive X-ray spectrometry”. Choël M, Deboudt K, Osán J, Flament P, Van Grieken R, Analytical chemistry 77, 5686 (2005). http://doi.org/10.1021/AC050739X
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1021/AC050739X
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“Three-dimensional trace element analysis by confocal X-ray microfluorescence imaging”. Vincze L, Vekemans B, Brenker FE, Falkenberg G, Rickers K, Somogyi A, Kersten M, Adams F, Analytical chemistry 76, 6786 (2004). http://doi.org/10.1021/AC049274L
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1021/AC049274L
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“X-ray spectrometry”. Szalóki I, Osán J, Van Grieken RE, Analytical chemistry 76, 3445 (2004). http://doi.org/10.1021/AC0400820
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1021/AC0400820
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“An expert system for chemical speciation of individual particles using low-Z particle electron probe X-ray microanalysis data”. Ro C-U, Kim HK, Van Grieken R, Analytical chemistry 76, 1322 (2004). http://doi.org/10.1021/AC035149I
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1021/AC035149I
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“A Monte Carlo program for quantitative electron-induced x-ray analysis of individual particles”. Ro C-U, Osán J, Szalóki I, de Hoog J, Worobiec A, Van Grieken R, Analytical chemistry 75, 851 (2003). http://doi.org/10.1021/AC025973R
Keywords: A1 Journal article; Laboratory Experimental Medicine and Pediatrics (LEMP); AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1021/AC025973R
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“X-ray spectrometry”. Szalóki I, Török SB, Injuk J, Van Grieken RE, Analytical chemistry 74, 2895 (2002). http://doi.org/10.1021/AC020241K
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1021/AC020241K
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“Heterogeneity assessment in individual CaCO3-CaSO4 particles using ultrathin window electron probe X-ray microanalysis”. Ro C-U, Oh K-Y, Osán J, de Hoog J, Worobiec A, Van Grieken R, Analytical chemistry 73, 4574 (2001). http://doi.org/10.1021/AC010438X
Keywords: A1 Journal article; Laboratory Experimental Medicine and Pediatrics (LEMP); AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1021/AC010438X
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“Absorption correction in electron probe x-ray microanalysis of thin samples”. Markowicz AA, Storms HM, Van Grieken RE, Analytical chemistry 58, 1282 (1986). http://doi.org/10.1021/AC00298A003
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1021/AC00298A003
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“X-ray spectrometry”. Markowicz AA, Van Grieken RE, Analytical chemistry 58, 279r (1986). http://doi.org/10.1021/AC00296A019
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1021/AC00296A019
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“Bremsstrahlung background in electron-probe X-ray-microanalysis of thin films”. Markowicz AA, Storms HM, Van Grieken RE, Analytical chemistry 57, 2885 (1985). http://doi.org/10.1021/AC00291A032
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1021/AC00291A032
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“Atomic number correction in electron probe X-ray microanalysis of curved samples and particles”. Markowicz AA, Van Grieken RE, Analytical chemistry 56, 2798 (1984). http://doi.org/10.1021/AC00278A036
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1021/AC00278A036
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“Composition dependence of Bremsstrahlung background in electron-probe x-ray microanalysis”. Markowicz AA, Van Grieken RE, Analytical chemistry 56, 2049 (1984). http://doi.org/10.1021/AC00276A016
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1021/AC00276A016
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“Embedded ion exchange beads as standards for laser microprobe mass analysis of biological specimens”. Verbueken AH, Van Grieken RE, Paulus GJ, De Bruijn WC, Analytical chemistry 56, 1362 (1984). http://doi.org/10.1021/AC00272A036
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1021/AC00272A036
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“Laser microprobe mass spectrometric identification of sulfur species in single micrometer-size particles”. Bruynseels FJ, Van Grieken RE, Analytical chemistry 56, 871 (1984). http://doi.org/10.1021/AC00270A004
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1021/AC00270A004
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“Laser microprobe mass spectrometry : 1 : basic principles and performance characteristics”. Denoyer E, Van Grieken R, Adams F, Ntausch DFS, Analytical chemistry 54, 26a (1982). http://doi.org/10.1021/AC00238A722
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1021/AC00238A722
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“X-ray spectrometry”. Markowicz AA, Van Grieken RE, Analytical chemistry 62, 101r (1990). http://doi.org/10.1021/AC00211A001
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1021/AC00211A001
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“Discrimination between coprecipitated and adsorbed lead on individual calcite particles using laser microprobe mass analysis”. Wouters LC, Van Grieken RE, Linton RW, Bauer CF, Analytical chemistry 60, 2218 (1988). http://doi.org/10.1021/AC00171A011
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1021/AC00171A011
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“X-ray spectrometry”. Markowicz AA, Van Grieken RE, Analytical chemistry 60, 28r (1988). http://doi.org/10.1021/AC00163A002
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1021/AC00163A002
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“Enhancement effect in X-ray fluorescence analysis of environmental samples of medium thickness”. Van Dyck PM, Török SB, Van Grieken RE, Analytical chemistry 58, 1761 (1986). http://doi.org/10.1021/AC00121A036
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1021/AC00121A036
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“Parameter evaluation for the analysis of oxide-based samples with radio ferquency glow discharge mass spectrometry”. de Gendt S, Van Grieken RE, Ohorodnik SK, Harrison WW, Analytical chemistry 67, 1026 (1995). http://doi.org/10.1021/AC00102A002
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1021/AC00102A002
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“X-ray spectrometry”. Szalóki I, Török SB, Ro C-U, Injuk J, Van Grieken RE, Analytical chemistry 72, 211 (2000). http://doi.org/10.1021/A1000018H
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1021/A1000018H
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“Novel thin film lift-off process for in situ TEM tensile characterization”. Neelisetty KK, Kumar CN S, Kashiwar A, Scherer T, Chakravadhanula VSK, Kuebel C, Microscopy And Microanalysis 27, 216 (2021). http://doi.org/10.1017/S1431927621001367
Keywords: A1 Journal article; Engineering sciences. Technology; Electron microscopy for materials research (EMAT)
Impact Factor: 1.891
DOI: 10.1017/S1431927621001367
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“Getting the best from an imperfect detector : an alternative normalisation procedure for quantitative HAADF STEM”. Jones L, Martinez GT, Béché, A, Van Aert S, Nellist PD, Microscopy and microanalysis 20, 126 (2014). http://doi.org/10.1017/S1431927614002359
Keywords: A1 Journal article; Engineering Management (ENM); Electron microscopy for materials research (EMAT)
Impact Factor: 1.891
DOI: 10.1017/S1431927614002359
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“Conserving African biosphere reserves : a workshop on the valuation of ecosystem services in Man and the Biosphere Reserves”. Janssens de Bisthoven L, Rochette A-J, Verheyen E, Akpona TJ-D, Verbist B, Vanderhaegen K, Naturinda Z, Van Passel S, Berihun D, Munishi L, Hugé, J, Oryx 53, 609 (2019). http://doi.org/10.1017/S003060531900070X
Keywords: A1 Journal article; Engineering Management (ENM); Evolutionary ecology group (EVECO)
Impact Factor: 2.191
DOI: 10.1017/S003060531900070X
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“Conservation of the Amsterdam sunflowers : from past to future”. Hendriks E, Geldof M, van den Berg KJ, Monico L, Miliani C, Moretti P, Iwanicka M, Targowski P, Megens L, de Groot S, van Keulen H, Janssens K, Vanmeert F, van der Snickt G page 175 (2019).
Abstract: This chapter lays out a conservation timeline, from past to future, for the Amsterdam version of Van Gogh's Sunflowers. It starts by considering the restoration history of the painting in order to assess its current physical state, and looks ahead to formulate an appropriate strategy for future conservation treatment and display. Due attention is paid to the two recorded episodes of restoration performed in 1927 and 1961 by the Dutch restorer, Jan Cornelis Traas. Based on physical and chemical investigation of Sunflowers we attempt to reconstruct what these former treatments (which are barely documented) entailed and consider the repercussions for the present condition of the painting. The former interventions by Traas also serve as a benchmark to reflect on current choices made, highlighting the extent to which ideas and methodologies have continued to evolve over the past century as conservation has moved further away from being a singularly craft-based activity to become an established historical and scientific discipline underpinned by ethical guidelines. Jan Cornelis Traas (1898–1984) As mentioned, the two main recorded interventions to the Amsterdam Sunflowers may be associated with the Dutch restorer, Jan Cornelis Traas, who treated the picture in 1927, close to the start of his career, and again in 1961, shortly before he retired. Traas was the first restorer to be appointed at the Mauritshuis in The Hague where he worked from 1931 to 1962 and treated hundreds of paintings, including iconic masterpieces such as Girl with a Pearl Earring by Johannes Vermeer. Yet despite the magnitude and importance of his restoration oeuvre, J.C. Traas (as he is usually referred to in surviving documents), has remained somewhat obscure. He is shown here in the only known surviving photograph of him at work, shortly before he retired (fig. 7.1). Unlike his illustrious contemporaries, A. Martin de Wild (1899–1969) and Helmut Ruhemann (1891–1973), for example, Traas did not publish anything, he appears to have kept no records of his work and no personal archive is known. However, the study of some newly discovered historical documents, combined with physical examination of Sunflowers and a large number of other works he treated, allows us to recover an idea of his working practices and approaches viewed within the context of his day.
Keywords: H1 Book chapter; Art; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Antwerp Cultural Heritage Sciences (ARCHES)
DOI: 10.1017/9789048550531.008
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“Chemical alteration and colour changes in the Amsterdam sunflowers”. Monico L, Hendriks E, Geldof M, Miliani C, Janssens K, Brunetti BG, Cotte M, Vanmeert F, Chieli A, Van der Snickt G, Romani A, Melo MJ page 125 (2019).
Abstract: This chapter provides a description of colour changes in the Amsterdam Sunflowers due to chemical alteration of pigments, with a focus on geranium lakes and chrome yellows. The brilliant and forceful colours of these and other late nineteenth-century synthetic materials offered artists such as Vincent van Gogh new means of artistic expression that exploited a range of contrasting hues and tints. However, geranium lakes have a strong tendency to fade and chrome yellows to darken under the influence of light. Van Gogh, like other artists of his day, was aware of this drawback, yet he continued to favour the use of both pigments up until his death in July 1890 due to the unparalleled effects they gave. In April 1888, Vincent wrote to his brother Theo: Van Gogh's use of unstable colours opens a series of questions regarding the extent to which colour change affects the way his paintings look today, as discussed here in relation to the Amsterdam Sunflowers. Furthermore, given the frequency with which geranium lakes and chrome yellows occur in Van Gogh's paintings of the period 1888–90 and the predominance of chrome yellows in Sunflowers, it becomes important to understand the factors that can drive these processes of deterioration in order to develop appropriate strategies for conserving the artist's works.
Keywords: H1 Book chapter; Art; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Antwerp Cultural Heritage Sciences (ARCHES)
DOI: 10.1017/9789048550531.006
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