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“On the distinction between 16th and 17th century Venetian glass and façon-de-Venise glass”. de Raedt I, Janssens K, Veeckman J page 95 (2002).
Keywords: H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Overview”. Janssens K, Adams F page 1 (2000).
Keywords: H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Parameters influencing focussing capabilities of capillary optics”. Vincze L, Janssens K, Adams F, Larsson S, Rindby A, Engstrom P, Microbeam Analysis 1995: Proceedings Of The 29th Annual Conference Of The Microbeam Analysis Society , 161 (1995)
Keywords: P1 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Pigment identification by scanning μ-XRF/μ-XRD”. de Nolf W, Vekemans B, Janssens K, van der Snickt G, Falkenberg G (2007).
Keywords: H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Polycapillary X-ray optics”. Gao N, Janssens K page 89 (2004).
Keywords: H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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De Wael K, Nagels L, Van Camp G (2013) Potentiometric sensors and method for measuring intermolecular interactions
Keywords: Patent; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Preface”. Van Grieken R, Janssens K page vii-viii (2005).
Keywords: H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Preface”. Janssens K, Van Grieken R page xxvii-xxviii (2004).
Keywords: H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Provenance analysis of glass artefacts”. Gratuze B, Janssens K page 663 (2004).
Keywords: H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Provenance analysis of Roman glass from the 1st-6th century A.D”. Aerts A, Janssens K, Vincze L, Vekemans B, Adams F, Haller M, Radtke M, Knöchel A, HASYLAB Jahresbericht , 918 (1996)
Keywords: A3 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Quantification of SY-XRF measurements at the X-ray microprobe”. Haller M, Radtke M, Knöchel A, Clöck W, Sutton S, Janssens K, Vincze L, HASYLAB Jahresbericht , 956 (1996)
Keywords: A3 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Quantitative Fe determination inside tomato roots by confocal μ-XRF”. Terzano R, Spagnuolo M, Ruggiero P, Vekemans B, Scoonjans T, Vincze L, Janssens K, Tomasi N, Cesco S, Falkenberg G page 1513 (2008).
Keywords: H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Quantitative mu-XRF analysis of heterogeneous samples”. Vincze L, Janssens K, Adams F, Jones K, Microbeam Analysis 1995: Proceedings Of The 29th Annual Conference Of The Microbeam Analysis Society , 175 (1995)
Keywords: P1 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Radioactive particle characterisation by means of synchrotron radiation-based X-ray micro beam techniques”. Lind OC, Salbu B, Janssens K, Simionovici AS, (2002)
Keywords: P3 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Recent advances in electrochemical biosensors based on fullerene-C60 nano-structured platforms”. Pilehvar S, De Wael K page 173 (2017).
Keywords: H1 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Reexamination of U and Pu in particles from Thule and Palomares by μ-XRD”. Lind O-C, Salbu B, de Nolf W, Jaroszewicz J, Janssens K, Falkenberg G page 1297 (2008).
Keywords: H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Reproduction of 16-17th centuries enamels for stained glass after orignal compositions and recipes”. Caen J, Schalm O, Pires De Matos A, Ruivo A, Ferreira M, Janssens K, (2008)
Keywords: P3 Proceeding; Art; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Risks of atmospheric aerosol for cultural heritage assets in Granada (Spain)”. Cardell C, Urosevic M, Sebastián-Pardo E, Horemans B, Kontozova-Deutsch V, Potgieter-Vermaak S, Bencs L, Anaf KW, De Wael K, Van Grieken R page 45 (2013).
Keywords: H1 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Samenstelling van 15de- tot 17de-eeuwse glazen voorwerpen opgegraven in Antwerpen”. de Raedt I, Janssens K, Veeckman J, Adams F page 89 (1998).
Keywords: H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Samenstelling van 15de- tot 17de-eeuwse glazen voorwerpen opgegraven in Antwerpen: deel 1”. de Raedt I, Janssens K, Veeckman J, Adams F, Journaal van de Belgische Vereniging voor Glastechnieken , 9 (1998)
Keywords: A3 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Samenstelling van 15de- tot 17de-eeuwse glazen voorwerpen opgegraven in Antwerpen: deel 2”. de Raedt I, Janssens K, Veeckman J, Adams F, Journaal van de Belgische Vereniging voor Glastechnieken , 5 (1998)
Keywords: A3 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Simulation of poly-capillary lenses for coherent and partially coherent x-rays”. Vincze L, Kukhlevsky SV, Janssens K, Proceedings of the Society of Photo-optical Instrumentation Engineers
T2 –, Conference on Advances in Computational Methods for X-Ray and Neutron, Optics, AUG 03-05, 2004, Denver, CO , 81 (2004). http://doi.org/10.1117/12.560740
Abstract: The intensity distributions of the coherent and partially coherent x-rays passed through a poly-capillary lens have been computed at the focal plane. The computations showed that at the appropriate experimental conditions the interference phenomenon does affect the intensity distribution. In the case of the coherent input radiation with the photon energy of 0.1 keV, the interference fringes were observed, while the non-coherent x-ray radiation produced no interference-like intensity distributions.
Keywords: P1 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Times cited: 6
DOI: 10.1117/12.560740
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“Spectrum evaluation”. van Espen P, Janssens K (1992).
Keywords: H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Chemometrics (Mitac 3)
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“SR-based X-ray microbeam techniques utilised for solid-state speciation of U in fuel particles”. Salbu B, Janssens K, Lind OC, Simionovici AS, Trekling T, Drakopoulos M, Snigireva I, Snigirev A, (2002)
Keywords: P3 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“The stained-glass panel depicting the anointing at Bethany : art historical research, technical analysis, and treatment”. Caen J, Cagno S, Janssens K page 247 (2013).
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.
Keywords: H2 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Antwerp Cultural Heritage Sciences (ARCHES)
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“Study of the degradation on historical documents induced by iron gall ink by means of scanning μ-XRF/μ-XRD”. de Nolf W, Janssens K, Rouchon V, Falkenberg G (2007).
Keywords: H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Study of the early stages of Mn intrusion in corroded glass by means of combined SR FTIR/\muXRF imaging and XANES spectroscopy”. Nuyts G, Cagno S, Hellemans K, Veronesi G, Cotte M, Janssens K, Procedia Chemistry
T2 –, Youth in Conservation of Cultural Heritage Conference (YOCOCU), June 18-20, 2012, University of Antwerp, Antwerp, Belgium , 239 (2013). http://doi.org/10.1016/J.PROCHE.2013.03.030
Abstract: Historical glass, especially medieval glass, can undergo weathering under the influence of time and environmental conditions. The aim of this investigation was to better understand the processes involved in this natural degradation process by studying artificially altered glass samples prepared for the use of evaluation of conservation methods. Non-durable glass sensors produced by the Fraunhofer Institute (type M1.0) were used as a starting material for artificial alteration. These were immersed in acidic (pH = 0, 2, 4) and neutral solutions (1 h – 8 h). In a second stage the glass samples were immersed in a 0.5 M MnCl2 solution (24 h, 48 h and 72 h), allowing intrusion of Mn from the solution into the gel layer. The samples were characterized at different stages with reflectance FTIR spectroscopy, mu XRF mapping and mu XANES. All measurements were carried out at ESRF, beamline ID21. Reflectance FTIR spectroscopy measurements were performed in the 800 4000 cm(-1) range. Cluster analysis of the resulting maps evidenced the rapid growth of the gel layer in strong acidic conditions. The average spectra for each cluster feature show for the original glass a strong Si-O- stretching band between 900 and 1000 cm(-1), whereas the gel layer could be identified by the increasing Si-O-Si bands around 1100 and 1250 cm(-1). mu XRF maps were recorded at different stages of the experiment at energies around the Mn-K edge (6.539 keV) and with a step size of 2 by 2 m. These confirm the leaching of K+ and Ca+2 from the glass and the intrusion of Mn from the solution. Mn was found throughout the entire gel layer, but with a concentration gradient peaking at the surface. XANES point measurements were recorded at various points where Mn was present. No spatial variation was found, but linear combination fitting of the spectra with various Mn reference compounds indicated that Mn2+Mn23+O4 is the main Mn compound in the gel layer, as was hypothesised by Watkinson et al. The standard corroded glass samples studied here can be used for the evaluation of conservation treatments in follow-up experiments. (C) 2013 The Authors. Published by Elsevier B.V. Selection and peer-review under responsibility of the IA-CS (Italian Association of Conservation Scientists) and University of Antwerp
Keywords: P1 Proceeding; Engineering sciences. Technology; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Times cited: 4
DOI: 10.1016/J.PROCHE.2013.03.030
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“Sublayer composition evaluation of Artwork using active thermography”. Steenackers G, Peeters J, Janssens K, Quantitative infrared thermography
T2 –, QIRT 2018 : 14th Quantitative InfraRed Thermography Conference , 503 (2018)
Abstract: Infrared artwork inspection is typically performed through active thermography and infrared reflectography (IRR) with different setups and cameras. While IRR is an established technique in the museum field, exploiting mainly the IR-A (0.7 – 1.4 mu m) band to probe for hidden layers and modifications within the paint stratigraphy system, active thermography operating in the IR-C range (3 -5 mu m) is less frequently employed with the aim to visualize structural defects and features deeper inside the build-up. In this work, we investigate the usability of an IR-B+C system to identify overpainted works of art below a relatively thick absorbing layer of lead white paint.
Keywords: P1 Proceeding; Engineering sciences. Technology; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“A survey of the recent use of x-ray beam methods for non-destructive investigations in the cultural heritage sector”. Janssens K page 265 (2005).
Keywords: H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Synchroton X-ray powder diffraction study of lead white oxidation by sodium hypochloride”. Clerici EA, De Meyer S, van der Snickt G, Janssens K, , 13 (2017)
Keywords: P1 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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