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Cagno, S.; Brede, D.A.; Nuyts, G.; Vanmeert, F.; Pacureanu, A.; Tucoulou, R.; Cloetens, P.; Falkenberg, G.; Janssens, K.; Salbu, B.; Lind, O.C. |
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Title |
Combined computed nanotomography and nanoscopic x-ray fluorescence imaging of cobalt nanoparticles in caenorhabditis elegans |
Type |
A1 Journal article |
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Year |
2017 |
Publication |
Analytical chemistry |
Abbreviated Journal |
Anal Chem |
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Volume |
89 |
Issue |
21 |
Pages |
11435-11442 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
Synchrotron radiation phase-contrast computed nanotomography (nano-CT) and two-and three-dimensional (2D and 3D) nanoscopic X-ray fluorescence (nano-XRF) were used to investigate the internal distribution of engineered-cobalt nanoparticles (Co NPs) in exposed individuals of the nematode Caenorhabditis elegans. Whole-nematodes and selected tissues and organs were 3D-rendered: anatomical 3D renderings with 50 nm voxel size enabled the visualization of spherical nanoparticle aggregates. with size tip to 200 nm within intact C. elegans. A 20 X 37 nm(2) high-brilliance beam was employed to obtain XRF elemental distribution maps of entire nematodes or anatomical details such as embryos, which could be compared with the CT data, These maps showed Co NPs to be predominantly present within the intestine and the epithelium, and they were not colocalized with Zn granules found in the lysosonie-containing vesicles or Fe agglomerates in the intestine. Iterated XRF scanning of a specimen at 0 degrees and 90 degrees angles suggested that NP aggregates were translocated into tissues outside of the intestinal lumen. Virtual-slicing by means of 2D XRF tomography, combined with holotomography, indicated presumable presence of individual NP aggregates inside the uterus and within embryos. |
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000414887000041 |
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2017-10-10 |
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0003-2700; 5206-882x |
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UA library record; WoS full record; WoS citing articles |
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Impact Factor |
6.32 |
Times cited |
13 |
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Notes |
; This study has been funded by the Norwegian Research Council through its Centre of Excellence (CoE) funding scheme (Project 223268/F50). We gratefully acknowledge ESRF and DESY for granting beamtime and Karl Andreas Jensen for performing ICPMS analysis. We thank Erica Maremonti for supplying the phase-contrast image used in Figure ^1A. ; |
Approved |
Most recent IF: 6.32 |
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Call Number |
UA @ admin @ c:irua:147383 |
Serial |
5520 |
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Author |
Cagno, S.; Nuyts, G.; De Vis, K.; Caen, J.; Van Mol, W.; Bongaers, E.; Pauwels, B.; Janssens, K. |
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Title |
The browning of stained glass windows : characterization of Mn-corrosion bodies and evaluation of cleaning methods |
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P3 Proceeding |
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Year |
2011 |
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P3 Proceeding; Engineering sciences. Technology; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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978-88-97484-01-1 |
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Most recent IF: NA |
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Call Number |
UA @ admin @ c:irua:124196 |
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5494 |
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Bruijnen, Y.; Caen, J.M.A.; Cagno, S.; Janssens, K.; et al. |
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Getekend Jan R. : Jan Rombouts, een renaissancemeester herontdekt |
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ME2 Book as editor or co-editor |
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2012 |
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207 p. |
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ME2 Book as editor or co-editor; Art; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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978-90-6153-780-9 |
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Most recent IF: NA |
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Call Number |
UA @ admin @ c:irua:115160 |
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5633 |
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Nuyts, G.; Cagno, S.; Jaroszewicz, J.; Wouters, H.; De Vis, K.; Caen, J.; Janssens, K. |
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Title |
High-resolution desktop microcomputed tomography for the evaluation of reducing treatments on historical glass suffering from manganese browning |
Type |
H2 Book chapter |
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Year |
2013 |
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201-209 |
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Keywords |
H2 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Antwerp Cultural Heritage Sciences (ARCHES) |
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Abstract |
Historical glass, especially non-durable mediaeval glass, can undergo corrosion. This sometimes results in the formation of dark-coloured manganese-rich inclusions or stains that reduce the transparency of the glass. A conservation treatment with reducing or chelating agents may be considered with the aim of improving the transparency. In this paper, high-resolution desktop microcomputed tomography (µCT) is used in combination with element-specific twodimensional imaging methods for in situ monitoring of manganese removal by hydroxylamine hydrochloride from an archaeological stained-glass sample suffering from manganese browning and from artificially corroded model glass samples. µCT also proved itself useful for the study of the (re-)penetration of manganese into the gel layer during artificial corrosion of a model glass. |
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978-90-8932-113-8 |
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Most recent IF: NA |
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Call Number |
UA @ admin @ c:irua:114604 |
Serial |
5641 |
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Caen, J.; Cagno, S.; Janssens, K. |
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Title |
The stained-glass panel depicting the anointing at Bethany : art historical research, technical analysis, and treatment |
Type |
H2 Book chapter |
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Year |
2013 |
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247-257 |
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Keywords |
H2 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Antwerp Cultural Heritage Sciences (ARCHES) |
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Abstract |
In 2008, Museum M in Louvain (Flanders, Belgium) acquired a panel depicting The Anointing at Bethany that is believed once to have adorned the citys former Charterhouse. The panel required conservation treatment, which was preceded by a thorough art-historical and technical examination. It emerged that comparable panels are kept at the Metropolitan Museum of Art and the Riverside Church in New York. Chemical analyses show most of the glass in the panel to have a typical 16th century high-limelow-alkali composition. The conservation treatment was based on the evaluation of these findings and focused very strongly on enhancing the aesthetic balance for an improved reading of the panel. |
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978-90-8932-113-8 |
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Most recent IF: NA |
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Call Number |
UA @ admin @ c:irua:114605 |
Serial |
5847 |
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Author |
Cosyns, P.; Cagno, S.; Janssens, K.; Nys, K. |
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Title |
Un verre méditerranéen pour la production de bracelets laténiens en Europe septentrionale : résultats danalyses SEM-EDX et LA-ICP-MS de bracelets en verre La Tène tardive de Odijk, Tiel et Geldermalseren-Hondsgemet |
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A3 Journal article |
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2014 |
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Bulletin AFAV |
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13-19 |
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A3 Journal article; 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:124631 |
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5884 |
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Author |
Cagno, S. |
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Title |
Compositional analysis of historical glass |
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Doctoral thesis |
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2012 |
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346 p. |
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Doctoral thesis; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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no |
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Call Number |
UA @ admin @ c:irua:98145 |
Serial |
7714 |
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