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Author |
Caen, J.; Legrand, S.; van der Snickt, G.; Janssens, K. |
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Title |
Macro X-ray fluorescence (MA-XRF) scanning : a new and efficient method for documenting stained-glass panels |
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P3 Proceeding |
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Year |
2015 |
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P3 Proceeding; Engineering sciences. Technology; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Antwerp Cultural Heritage Sciences (ARCHES) |
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978-2-9543731-1-9 |
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Call Number |
UA @ admin @ c:irua:126832 |
Serial |
5697 |
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Author |
Janssens, K. |
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Title |
Methods 4: elemental analysis (AAS/AES/X-ray fluorescence) |
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H3 Book chapter |
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Year |
2003 |
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H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Call Number |
UA @ admin @ c:irua:42917 |
Serial |
5708 |
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Author |
Injuk, J.; Janssens, K.; van Espen, P.; Van Grieken, R. |
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Title |
Novel quantitative procedures for in-situ X-ray fluorescence analysis |
Type |
P3 Proceeding |
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Year |
2001 |
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Keywords |
P3 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Chemometrics (Mitac 3) |
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Call Number |
UA @ admin @ c:irua:36093 |
Serial |
5752 |
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Author |
de Nolf, W.; Vekemans, B.; Janssens, K.; van der Snickt, G.; Falkenberg, G. |
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Title |
Pigment identification by scanning μ-XRF/μ-XRD |
Type |
H3 Book chapter |
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Year |
2007 |
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H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Call Number |
UA @ admin @ c:irua:64595 |
Serial |
5773 |
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Author |
Van Grieken, R.; Janssens, K. |
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Title |
Preface |
Type |
H3 Book chapter |
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Year |
2005 |
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Abbreviated Journal |
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Volume |
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Pages |
vii-viii |
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Keywords |
H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Call Number |
UA @ admin @ c:irua:49875 |
Serial |
5784 |
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Author |
Janssens, K.; Van Grieken, R. |
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Title |
Preface |
Type |
H3 Book chapter |
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Year |
2004 |
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Abbreviated Journal |
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Volume |
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Pages |
xxvii-xxviii |
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Keywords |
H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Call Number |
UA @ admin @ c:irua:50844 |
Serial |
5785 |
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Author |
Lind, O.C.; Salbu, B.; Janssens, K.; Simionovici, A.S. |
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Title |
Radioactive particle characterisation by means of synchrotron radiation-based X-ray micro beam techniques |
Type |
P3 Proceeding |
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Year |
2002 |
Publication |
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Abbreviated Journal |
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Keywords |
P3 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Most recent IF: NA |
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Call Number |
UA @ admin @ c:irua:39941 |
Serial |
5797 |
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Author |
Caen, J.; Schalm, O.; Pires De Matos, A.; Ruivo, A.; Ferreira, M.; Janssens, K. |
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Title |
Reproduction of 16-17th centuries enamels for stained glass after orignal compositions and recipes |
Type |
P3 Proceeding |
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Year |
2008 |
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Abbreviated Journal |
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Keywords |
P3 Proceeding; Art; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Approved |
Most recent IF: NA |
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Call Number |
UA @ admin @ c:irua:112032 |
Serial |
5814 |
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Author |
van Espen, P.; Janssens, K. |
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Title |
Spectrum evaluation |
Type |
H3 Book chapter |
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Year |
1992 |
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Abbreviated Journal |
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Keywords |
H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Chemometrics (Mitac 3) |
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chapter 4 |
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no |
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Call Number |
UA @ admin @ c:irua:2809 |
Serial |
5842 |
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Author |
Salbu, B.; Janssens, K.; Lind, O.C.; Simionovici, A.S.; Trekling, T.; Drakopoulos, M.; Snigireva, I.; Snigirev, A. |
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Title |
SR-based X-ray microbeam techniques utilised for solid-state speciation of U in fuel particles |
Type |
P3 Proceeding |
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Year |
2002 |
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P3 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Most recent IF: NA |
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Call Number |
UA @ admin @ c:irua:39943 |
Serial |
5844 |
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Author |
de Nolf, W.; Janssens, K.; Rouchon, V.; Falkenberg, G. |
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Title |
Study of the degradation on historical documents induced by iron gall ink by means of scanning μ-XRF/μ-XRD |
Type |
H3 Book chapter |
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Year |
2007 |
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H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Most recent IF: NA |
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Call Number |
UA @ admin @ c:irua:64597 |
Serial |
5850 |
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Author |
Vincze, L.; Janssens, K.; Wei, F.; Proost, K.; Vekemans, B.; Vittiglio, G.; Yan, Y.; Falkenberg, G. |
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Title |
Trace-level micro-XANES by means of bending magnets radiation focused with a polycapillary lens |
Type |
H3 Book chapter |
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Year |
1999 |
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H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Call Number |
UA @ admin @ c:irua:28440 |
Serial |
5880 |
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Author |
Kempenaers, L.; Vincze, L.; Janssens, K. |
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Title |
The use of synchrotron micro-XRF for characterisation of the micro-heterogeneity of low-Z reference materials containing heavy metals |
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H3 Book chapter |
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1999 |
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H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Approved |
Most recent IF: NA |
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Call Number |
UA @ admin @ c:irua:28443 |
Serial |
5901 |
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Author |
Janssens, K. |
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Title |
X-ray fluorescence analysis |
Type |
H3 Book chapter |
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Year |
2003 |
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H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Call Number |
UA @ admin @ c:irua:42918 |
Serial |
5912 |
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Author |
Terzano, R.; al Chami, Z.; Vekemans, B.; Janssens, K.; Miano, T.; Ruggiero, P. |
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Title |
μ-XANES speciation of Zn in rhizospheric soil and in edible plants grown on a polluted soil amended with compost |
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H3 Book chapter |
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2007 |
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H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Call Number |
UA @ admin @ c:irua:64592 |
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5918 |
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Author |
Singh, B.R.; Timsina, Y.N.; Lind, O.C.; Cagno, S.; Janssens, K. |
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Title |
Zinc and iron concentration as affected by nitrogen fertilization and their localization in wheat grain |
Type |
A1 Journal article |
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Year |
2018 |
Publication |
Frontiers in plant science |
Abbreviated Journal |
Front Plant Sci |
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Volume |
9 |
Issue |
9 |
Pages |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
Nearly half of the world cereal production comes from soils low or marginal in plant available zinc, leading to unsustainable and poor quality grain production. Therefore, the effects of nitrogen (N) rate and application time on zinc (Zn) and iron (Fe) concentration in wheat grain were investigated. Wheat (Triticum aestivum var. Krabat) was grown in a growth chamber with 8 and 16 h of day and night periods, respectively. The N rates were 29, 43, and 57 mg N kg(-1) soil, equivalent to 80, 120, and 160 kg N ha(-1). Zinc and Fe were applied at 10 mg kg(-1) growth media. In one of the N treatments, additional Zn and Fe through foliar spray (6 mg of Zn or Fe in 10 ml water / pot) was applied. Micro-analytical localization of Zn and Fe within grain was performed using scanning macro-X-ray fluorescence (MA-XRF) and laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS). The following data were obtained: grain and straw yield pot 1, 1000 grains weight, number of grains pot 1, whole grain protein content, concentration of Zn and Fe in the grains. Grain yield increased from 80 to 120 kg N ha(-1) rates only and decreased at 160 kg N ha(-1) g. Relatively higher protein content and Zn and Fe concentration in the grain were recorded with the split N application of 160 kg N ha(-1). Soil and foliar supply of Zn and Fe (Zn + Fes+f), with a single application of 120 kg N ha(-1) N at sowing, increased the concentration of Zn by 46% and of Fe by 35%, as compared to their growth media application only. Line scans of freshly cut areas of sliced grains showed co-localization of Zn and Fe within germ, crease and aleurone. We thus conclude that split application of N at 160 kg ha(-1) at sowing and stem elongation, in combination with soil and foliar application of Zn and Fe, can be a good agricultural practice to enhance protein content and the Zn and Fe concentration in grain. |
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000427034400002 |
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2018-03-09 |
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Edition |
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ISSN |
1664-462x |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
4.298 |
Times cited |
8 |
Open Access |
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Notes |
; The research part of this master study was financed by the project “Mineral Improved Food and Feed Crops for Human and Animal Health” (Project No. 332160UA) and by a grant from the Norwegian Ministry of Foreign Affairs under the Program for Higher Education, Research and Development (HERD) in Western Balkan. The financial assistance for conducting this study is gratefully acknowledged. We also acknowledge the assistance by CERAD: this study has been funded by the Norwegian Research Council through its Centre of Excellence (CoE) funding scheme (Project No. 223268/F50). This research was supported by the Hercules Foundation (Brussels, Belgium) under grant AUHA09004 and FWO (Brussels, Belgium) Project Nos. G.0C12.13 and G.01769.09. ; |
Approved |
Most recent IF: 4.298 |
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Call Number |
UA @ admin @ c:irua:149859 |
Serial |
5924 |
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Permanent link to this record |
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Author |
Dooley, K.A.; Chieli, A.; Romani, A.; Legrand, S.; Miliani, C.; Janssens, K.; Delaney, J.K. |
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Title |
Molecular fluorescence imaging spectroscopy for mapping low concentrations of red lake pigments : Van Gogh's painting The Olive Orchard |
Type |
A1 Journal article |
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Year |
2020 |
Publication |
Angewandte Chemie-International Edition |
Abbreviated Journal |
Angew Chem Int Edit |
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Pages |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
Vincent van Gogh used fugitive red lake pigments that have faded in some paintings. Mapping their distribution is key to understanding how his paintings have changed with time. While red lake pigments can be identified from microsamples, in situ identification and mapping remain challenging. This paper explores the ability of molecular fluorescence imaging spectroscopy to identify and, more importantly, map residual non-degraded red lakes. The high sensitivity of this method enabled identification of the emission spectra of eosin (tetrabromine fluorescein) lake mixed with lead or zinc white at lower concentrations than elemental X-ray fluorescence (XRF) spectroscopy used on account of bromine. The molecular fluorescence mapping of residual eosin and two carmine red lakes in van Gogh's The Olive Orchard is demonstrated and compared with XRF imaging spectroscopy. The red lakes are consistent with the composition of paint tubes known to have been used by van Gogh. |
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Wos |
000512477200001 |
Publication Date |
2020-01-21 |
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ISSN |
1433-7851; 0570-0833 |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
16.6 |
Times cited |
2 |
Open Access |
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Notes |
; We thank Damon Conover and Roxanne Radpour for help with the fluorescence self-absorption correction, and Ella Hendricks for discussions about van Gogh~s letters and materials. K.J. and S.L. thank the Research Council of the University of Antwerp for financial support (ID grant 25805 to S.L. and GOA project SolarPaint). Also FWO, Brussels provided financial support (grants G056619N and G054719N). The European research project IPERION-CH, funded by the European Commission, H2020-INFRAIA-2014-2015 (Grant agreement n. 654028) is also acknowledged. ; |
Approved |
Most recent IF: 16.6; 2020 IF: 11.994 |
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Call Number |
UA @ admin @ c:irua:166490 |
Serial |
6563 |
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Permanent link to this record |
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Author |
Allegretta, I.; Legrand, S.; Alfeld, M.; Gattullo, C.E.; Porfido, C.; Spagnuolo, M.; Janssens, K.; Terzano, R. |
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Title |
SEM-EDX hyperspectral data analysis for the study of soil aggregates |
Type |
A1 Journal article |
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Year |
2022 |
Publication |
Geoderma: an international journal of soil science |
Abbreviated Journal |
Geoderma |
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Volume |
406 |
Issue |
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Pages |
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Keywords |
A1 Journal article; Antwerp X-ray Imaging and Spectroscopy (AXIS) |
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Abstract |
Scanning electron microscopy coupled with microanalysis (SEM-EDX) is an important analytical tool for the morphological and chemical characterization of different types of materials. In many applications, SEM-EDX elemental maps are usually used and processed as images, thus flattening and reducing the spectroscopic information contained in EDX hyperspectral data cubes. The exploitation of the full hyperspectral dataset could be indeed very useful for the study of complex matrices like soil. In order to maximize the information attainable by SEM-EDX data cubes analysis, the software package “Datamuncher Gamma” was implemented and applied to study soil aggregates. By using this approach, different phases (silicates, aluminosilicates, Ca-carbonates, Ca-phosphates, organic matter, iron oxides) inside soil aggregates were successfully identified and segmented. The advantages of this method over the common ROI imaging approach are presented. Finally, this method was used to compare different aggregates in a Cr-polluted soil and understand their possible pedological history. The present method can be used for the analysis of every type of SEM-EDX data cubes, allowing its application to different types of samples and fields of study. |
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000708893700026 |
Publication Date |
2021-10-21 |
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Edition |
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ISSN |
0016-7061 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
6.1 |
Times cited |
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Open Access |
Not_Open_Access |
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Notes |
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Approved |
Most recent IF: 6.1 |
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Call Number |
UA @ admin @ c:irua:182493 |
Serial |
7207 |
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Permanent link to this record |
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Author |
Caen, J.; Schalm, O.; Janssens, K. |
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Title |
Caractérisation historique et chimique des peintures en grisaille et du verre de vitrail dans l'oeuvre de J.-B. Capronnier (1814 – 1891) et J.-B. Bethune (1821 – 1894) |
Type |
P3 Proceeding |
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Year |
2000 |
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Pages |
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Keywords |
P3 Proceeding; Art; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Additional Links |
UA library record |
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Open Access |
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Approved |
no |
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Call Number |
UA @ admin @ c:irua:112007 |
Serial |
7576 |
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Permanent link to this record |