| |
Records |
Links |
|
Author |
Cândido, L.; Rino, J.-P.; Studart, N.; Peeters, F.M. |
|
| |
Title |
Classical model of clusters of screened charges in quantum dots |
Type |
A1 Journal article |
| |
Year |
1997 |
Publication  |
Brazilian journal of physics |
Abbreviated Journal |
Braz J Phys |
|
| |
Volume |
27 |
Issue |
A |
Pages |
312-315 |
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| |
Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
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Abstract |
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| |
Address |
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Corporate Author |
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Thesis |
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| |
Publisher |
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Place of Publication |
São Paulo |
Editor |
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| |
Language |
|
Wos |
|
Publication Date |
0000-00-00 |
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| |
Series Editor |
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Series Title |
|
Abbreviated Series Title |
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| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0103-9733 |
ISBN |
|
Additional Links |
UA library record |
|
| |
Impact Factor |
0.732 |
Times cited |
|
Open Access |
|
|
| |
Notes |
|
Approved |
Most recent IF: 0.732; 1997 IF: NA |
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| |
Call Number |
UA @ lucian @ c:irua:19297 |
Serial |
367 |
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| Permanent link to this record |
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| |
|
Author |
Shi, J.M.; Farias, G.A.; Koenraad, P.M.; van de Stadt, A.F.W.; Peeters, F.M.; Wolter, J.H.; Devreese, J.T. |
|
| |
Title |
Correlation effects of DX centers on electron mobility in delta doped semiconductors investigated by Monte Carlo simulations |
Type |
A1 Journal article |
| |
Year |
1997 |
Publication |
Brazilian journal of physics |
Abbreviated Journal |
Braz J Phys |
|
| |
Volume |
27 |
Issue |
A |
Pages |
327-331 |
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| |
Keywords |
A1 Journal article; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems |
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| |
Abstract |
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| |
Address |
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| |
Corporate Author |
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Thesis |
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| |
Publisher |
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Place of Publication |
São Paulo |
Editor |
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| |
Language |
|
Wos |
|
Publication Date |
0000-00-00 |
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| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
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| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0103-9733 |
ISBN |
|
Additional Links |
UA library record |
|
| |
Impact Factor |
0.732 |
Times cited |
|
Open Access |
|
|
| |
Notes |
|
Approved |
Most recent IF: 0.732; 1997 IF: NA |
|
| |
Call Number |
UA @ lucian @ c:irua:19298 |
Serial |
525 |
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| Permanent link to this record |
| |
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| |
|
Author |
Peeters, F.M.; Matulis, A. |
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| |
Title |
Electrons in non-homogeneous magnetic fields |
Type |
A1 Journal article |
| |
Year |
1994 |
Publication |
Brazilian journal of physics |
Abbreviated Journal |
Braz J Phys |
|
| |
Volume |
24 |
Issue |
|
Pages |
283-296 |
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| |
Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
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Abstract |
|
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| |
Address |
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| |
Corporate Author |
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Thesis |
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| |
Publisher |
|
Place of Publication |
São Paulo |
Editor |
|
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| |
Language |
|
Wos |
|
Publication Date |
0000-00-00 |
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| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
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|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0103-9733 |
ISBN |
|
Additional Links |
UA library record |
|
| |
Impact Factor |
0.81 |
Times cited |
|
Open Access |
|
|
| |
Notes |
|
Approved |
no |
|
| |
Call Number |
UA @ lucian @ c:irua:9362 |
Serial |
1021 |
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| Permanent link to this record |
| |
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| |
|
Author |
Freire, J.A.K.; Freire, V.N.; Farias, G.A.; Peeters, F.M. |
|
| |
Title |
Exciton trapping in a periodically modulated magnetic field |
Type |
A1 Journal article |
| |
Year |
2002 |
Publication |
Brazilian journal of physics |
Abbreviated Journal |
Braz J Phys |
|
| |
Volume |
32 |
Issue |
2 |
Pages |
310-313 |
|
| |
Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
|
| |
Abstract |
The behavior of excitons in spatially modulated magnetic fields is described taking into account the exciton spin contribution. The results show that the exciton trapping in periodic magnetic fields is possible and dependent on the modulation profile. |
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| |
Address |
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Corporate Author |
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Thesis |
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| |
Publisher |
|
Place of Publication |
São Paulo |
Editor |
|
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| |
Language |
|
Wos |
000176522000016 |
Publication Date |
2005-04-18 |
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| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
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| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0103-9733; |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
|
| |
Impact Factor |
0.732 |
Times cited |
1 |
Open Access |
|
|
| |
Notes |
|
Approved |
Most recent IF: 0.732; 2002 IF: 0.678 |
|
| |
Call Number |
UA @ lucian @ c:irua:94923 |
Serial |
1120 |
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| Permanent link to this record |
| |
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| |
|
Author |
Peeters, F.M.; Hipólito, O. |
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| |
Title |
Low dimensional semiconductor structures |
Type |
A1 Journal article |
| |
Year |
1992 |
Publication |
Brazilian journal of physics |
Abbreviated Journal |
Braz J Phys |
|
| |
Volume |
22 |
Issue |
|
Pages |
183-193 |
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| |
Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
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| |
Abstract |
|
|
| |
Address |
|
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| |
Corporate Author |
|
Thesis |
|
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| |
Publisher |
|
Place of Publication |
São Paulo |
Editor |
|
|
| |
Language |
|
Wos |
|
Publication Date |
0000-00-00 |
|
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
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| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0103-9733 |
ISBN |
|
Additional Links |
UA library record |
|
| |
Impact Factor |
0.81 |
Times cited |
|
Open Access |
|
|
| |
Notes |
|
Approved |
|
|
| |
Call Number |
UA @ lucian @ c:irua:2995 |
Serial |
1846 |
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| Permanent link to this record |
| |
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| |
|
Author |
Helm, M.; Hilber, W.; Strasser, G.; de Meester, R.; Peeters, F.M. |
|
| |
Title |
Minibands and Wannier-Strak ladders in semiconductor superlattices studied by infrared spectroscopy |
Type |
A1 Journal article |
| |
Year |
1999 |
Publication |
Brazilian journal of physics |
Abbreviated Journal |
Braz J Phys |
|
| |
Volume |
29 |
Issue |
|
Pages |
652-660 |
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| |
Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
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| |
Abstract |
|
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| |
Address |
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| |
Corporate Author |
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Thesis |
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| |
Publisher |
|
Place of Publication |
São Paulo |
Editor |
|
|
| |
Language |
|
Wos |
000084353900008 |
Publication Date |
0000-00-00 |
|
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
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|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0103-9733 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
|
| |
Impact Factor |
0.732 |
Times cited |
6 |
Open Access |
|
|
| |
Notes |
|
Approved |
Most recent IF: 0.732; 1999 IF: NA |
|
| |
Call Number |
UA @ lucian @ c:irua:28511 |
Serial |
2085 |
|
| Permanent link to this record |
| |
|
| |
|
Author |
Hai, G.-Q.; Studart, N.; Peeters, F.M. |
|
| |
Title |
Polaron effects on cyclotron mass due to interface and slab phonons in GaAs/AlGaAs quantum wells |
Type |
A1 Journal article |
| |
Year |
1996 |
Publication |
Brazilian journal of physics |
Abbreviated Journal |
Braz J Phys |
|
| |
Volume |
26 |
Issue |
|
Pages |
219-221 |
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| |
Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
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| |
Abstract |
|
|
| |
Address |
|
|
| |
Corporate Author |
|
Thesis |
|
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| |
Publisher |
|
Place of Publication |
São Paulo |
Editor |
|
|
| |
Language |
|
Wos |
|
Publication Date |
0000-00-00 |
|
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0103-9733 |
ISBN |
|
Additional Links |
UA library record |
|
| |
Impact Factor |
0.81 |
Times cited |
|
Open Access |
|
|
| |
Notes |
|
Approved |
|
|
| |
Call Number |
UA @ lucian @ c:irua:15818 |
Serial |
2668 |
|
| Permanent link to this record |
| |
|
| |
|
Author |
Castelano, L.K.; Hai, G.Q.; Partoens, B.; Peeters, F.M. |
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| |
Title |
Two vertically coupled quantum rings with tunneling |
Type |
A1 Journal article |
| |
Year |
2006 |
Publication |
Brazilian journal of physics |
Abbreviated Journal |
Braz J Phys |
|
| |
Volume |
36 |
Issue |
3b |
Pages |
936-939 |
|
| |
Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
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| |
Abstract |
|
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| |
Address |
|
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| |
Corporate Author |
|
Thesis |
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| |
Publisher |
|
Place of Publication |
São Paulo |
Editor |
|
|
| |
Language |
|
Wos |
000242535600036 |
Publication Date |
2006-12-13 |
|
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
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| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0103-9733; |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
|
| |
Impact Factor |
0.732 |
Times cited |
2 |
Open Access |
|
|
| |
Notes |
|
Approved |
Most recent IF: 0.732; 2006 IF: 0.494 |
|
| |
Call Number |
UA @ lucian @ c:irua:62133 |
Serial |
3788 |
|
| Permanent link to this record |
| |
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| |
|
Author |
García-Sánchez, C.; Philips, D.A.; Gorlé, C. |
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| |
Title |
Quantifying inflow uncertainties for CFD simulations of the flow in downtown Oklahoma City |
Type |
A1 Journal article |
| |
Year |
2014 |
Publication |
Building and environment |
Abbreviated Journal |
Build Environ |
|
| |
Volume |
78 |
Issue |
|
Pages |
118-129 |
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| |
Keywords |
A1 Journal article; Engineering sciences. Technology; Electron microscopy for materials research (EMAT) |
|
| |
Abstract |
Computational Fluid Dynamics (CFD) methods are widely used to investigate wind flow and dispersion in urban environments. Validation with field experiments that represent the full complexity of the problem should be performed to assess the predictive capabilities of the computations. In this context it will be necessary to quantify the effect of uncertainties in simulations of the full-scale problem. The present study aims at quantifying the uncertainty related to the variability in the inflow boundary conditions for Reynolds-averaged Navier-Stokes (RANS) simulations of the flow in downtown Oklahoma City to address validation with the Joint Urban 2003 field measurements. Three uncertain inflow parameters were defined: the wind speed and wind direction at a reference height, and the aerodynamic roughness in the logarithmic velocity inlet profile. An ensemble of 729 RANS simulations were performed to determine the polynomial chaos expansion coefficients that define the response surfaces for the velocity magnitude and direction at 13 field measurement stations, and the results are compared to the experimental data. For the velocity magnitude the mean experimental velocity magnitude is encompassed within the 95% confidence interval for the magnitudes predicted by the Uncertainty Quantification study in all stations. For the velocity direction this holds in 11 out of 13 locations. The study demonstrates the significant potential of applying advanced uncertainty quantification methods to address validation with field measurements and to develop a more realistic approach to the definition of inflow boundary conditions in atmospheric CFD simulations. (C) 2014 Elsevier Ltd. All rights reserved. |
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| |
Address |
|
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Corporate Author |
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Thesis |
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Publisher |
|
Place of Publication |
Oxford |
Editor |
|
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| |
Language |
|
Wos |
000338619700013 |
Publication Date |
2014-05-02 |
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| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
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| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0360-1323; |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
|
| |
Impact Factor |
4.053 |
Times cited |
29 |
Open Access |
|
|
| |
Notes |
|
Approved |
Most recent IF: 4.053; 2014 IF: 3.341 |
|
| |
Call Number |
UA @ lucian @ c:irua:118632 |
Serial |
2742 |
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| Permanent link to this record |
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| |
|
Author |
Marchetti, A.; Pilehvar, S.; 't Hart, L.; Leyva Pernia, D.; Voet, O.; Anaf, W.; Nuyts, G.; Otten, E.; Demeyer, S.; Schalm, O.; De Wael, K. |
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| |
Title |
Indoor environmental quality index for conservation environments : the importance of including particulate matter |
Type |
A1 Journal article |
| |
Year |
2017 |
Publication |
Building and environment |
Abbreviated Journal |
Build Environ |
|
| |
Volume |
126 |
Issue |
|
Pages |
132-146 |
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| |
Keywords |
A1 Journal article; Engineering sciences. Technology; Antwerp Systems and software Modelling (AnSyMo); AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Antwerp Cultural Heritage Sciences (ARCHES) |
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| |
Abstract |
It is commonly known that the conservation state of works of arts exhibited inside museums is strongly influenced by the indoor environmental quality (IEQ). Heritage institutions traditionally record and evaluate their IEQ by monitoring temperature, relative humidity, and -more rarely-light. However, smart use of technology enables monitoring other parameters that give a more complete insight in environmental air aggressiveness. One of this parameters is particulate matter (PM) and especially its concentration, size distribution and chemical composition. In this work, we present a selection of data sets which were obtained in a measuring campaign performed in the War Heritage Institute in Brussels, Belgium. A continuous monitoring of PM concentration with a light scattering based particle counter was performed. In addition the daily mass concentration and size distribution of airborne PM was monitored by means of Harvard impactors. The chemical composition of sampled PM was inferred from the results of XRF and IC analysis. The insights from these datasets are combined with the results of traditional environmental monitoring (temperature, relative humidity and light intensity), and assessed against the recommended guidelines for conservation environments. By using an integrated approach based on the calculation of an IEQ-index, we present a straightforward methodology to evaluate and visualize the IEQ including also continuous PM monitoring. It is clear from the results of this study how including PM in IEQ analysis allows to identify potential risks for museum collections that remain invisible when only traditional parameters are considered. |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
|
Editor |
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| |
Language |
|
Wos |
000417010000012 |
Publication Date |
2017-09-20 |
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| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
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| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0360-1323 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
|
| |
Impact Factor |
4.053 |
Times cited |
10 |
Open Access |
|
|
| |
Notes |
; The study was funded by UAntwerp, Belspo Brain BR/132/A6 and BR/154/A6. ; |
Approved |
Most recent IF: 4.053 |
|
| |
Call Number |
UA @ admin @ c:irua:146371 |
Serial |
5661 |
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| Permanent link to this record |
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| |
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Author |
Anaf, W.; Schalm, O. |
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| |
Title |
Climatic quality evaluation by peak analysis and segregation of low-, mid-, and high-frequency fluctuations, applied on a historic chapel |
Type |
A1 Journal article |
| |
Year |
2019 |
Publication |
Building and environment |
Abbreviated Journal |
|
|
| |
Volume |
148 |
Issue |
|
Pages |
286-293 |
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| |
Keywords |
A1 Journal article; Engineering sciences. Technology; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Antwerp Cultural Heritage Sciences (ARCHES) |
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| |
Abstract |
Heritage-related guidelines and standards recommend stable climatic conditions, since these contribute to the extension of heritage collections life. As a result, numerous museums and other heritage institutions implement (expensive) mitigation measures to achieve stable conditions. Nevertheless, temperature and relative humidity fluctuations are often still observed. This contribution demonstrates that the analysis of temperature and humidity peaks and drops helps to identify hazards which cause fluctuations in different frequency ranges. This hazard identification provides information on the type of mitigation actions that are required in the near future and in which order they need to be implemented. The approach is illustrated with a case study. A 22 month monitoring campaign was performed in a chapel in the center of Antwerp (Belgium) where the climatic conditions are controlled with a heating, ventilation and air conditioning (HVAC) system. Low-, mid- and high-frequency fluctuations were separated and discussed for their hazards. |
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| |
Address |
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Corporate Author |
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Thesis |
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| |
Publisher |
|
Place of Publication |
|
Editor |
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| |
Language |
|
Wos |
000457116500024 |
Publication Date |
2018-11-15 |
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| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
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| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0360-1323 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
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| |
Impact Factor |
|
Times cited |
|
Open Access |
|
|
| |
Notes |
|
Approved |
no |
|
| |
Call Number |
UA @ admin @ c:irua:157569 |
Serial |
7672 |
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| Permanent link to this record |
| |
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| |
|
Author |
Voordeckers, D.; Meysman, F.J.R.; Billen, P.; Tytgat, T.; Van Acker, M. |
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| |
Title |
The impact of street canyon morphology and traffic volume on NO₂ values in the street canyons of Antwerp |
Type |
A1 Journal article |
| |
Year |
2021 |
Publication |
Building And Environment |
Abbreviated Journal |
Build Environ |
|
| |
Volume |
197 |
Issue |
|
Pages |
107825-10 |
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| |
Keywords |
A1 Journal article; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL); Research Group for Urban Development; Intelligence in PRocesses, Advanced Catalysts and Solvents (iPRACS) |
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| |
Abstract |
Air pollution remains a major environmental and health concern in urban environments, especially in street canyons that show increased pollution levels due to a lack of natural ventilation. Previous studies have investigated the relationship between street canyon morphology and in-canyon pollution levels. However, these studies are typically limited to the scale of a single street canyon and city-wide assessments on this matter are scarce. In 2018, NO2 concentrations were measured in 321 street canyons in the city of Antwerp (Belgium) as part of the large-scale citizen-science project “CurieuzeNeuzen”. In our research, this data was used to study the correlation between morphological indices (e.g. aspect ratio (AR), lateral aspect ratio (LAR), presence of trees) and the traffic volumes on a city-wide scale. The maximum hourly traffic volume (TVmax) and AR correlated significantly with the measured NO2 values, making them useful indicators for air quality in street canyons. For street canyons with AR > 0.65, a TVmax of 300 vehicles/hour was found as a threshold value to guarantee acceptable air quality. No significant correlations were found for the other parameters. Finally, a number of typical street canyon types were defined, which can be of fundamental interest for further research and spatial policy making. |
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Address |
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Corporate Author |
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Thesis |
|
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| |
Publisher |
|
Place of Publication |
|
Editor |
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| |
Language |
|
Wos |
000663167900003 |
Publication Date |
2021-03-27 |
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| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
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| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0360-1323 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
|
| |
Impact Factor |
4.053 |
Times cited |
|
Open Access |
OpenAccess |
|
| |
Notes |
|
Approved |
Most recent IF: 4.053 |
|
| |
Call Number |
UA @ admin @ c:irua:176925 |
Serial |
8064 |
|
| Permanent link to this record |
| |
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| |
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Author |
Zwozdziak, A.; Sowka, I.; Krupińska, B.; Zwozdziak, J.; Nych, A. |
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| |
Title |
Infiltration or indoor sources as determinants of the elemental composition of particulate matter inside a school in Wroclaw, Poland? |
Type |
A1 Journal article |
| |
Year |
2013 |
Publication |
Building and environment |
Abbreviated Journal |
|
|
| |
Volume |
66 |
Issue |
|
Pages |
173-180 |
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| |
Keywords |
A1 Journal article; Engineering sciences. Technology; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
|
| |
Abstract |
Children's exposure to air pollution requires a focus on air quality in places where they spend most time, e.g. in schools. Therefore, understanding how indoor elemental concentrations relate the outdoor ones is necessary to create healthy indoor school environment. The aims of this study were to examine the elemental composition of particulate matter (PM1, PM2.5, PM10) in the school and also to investigate to what degree indoor elemental concentrations are affected by outdoor air or generated inside the school. The measurements were performed inside and outside the public school building in the centre of the city. It was observed that concentrations of most elements were higher at school than outside. The dominant elements in PM1 both indoors and outdoors were S, Cl, K, and Zn. PM2.5 and PM10 fractions inside the school were clearly enriched in elements of mineral origin, additionally S, Zn, K and Cl were also present in high concentrations both indoors and outdoors. Results suggested that a significant contribution to indoor Zn, Pb and S concentrations in the PM2.5 fraction was from penetration of outdoor air. 88%, 80% and 90% of the observed total variations in indoor concentrations of Zn, Pb, and S were explained by the linear relationship between indoor and outdoor concentrations. The lack of correlation between indoor and outdoor concentrations obtained for Si, Ca, Ti, Sr indicated that these metals were more likely to originate from indoor sources. (C) 2013 Elsevier Ltd. All rights reserved. |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
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Editor |
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| |
Language |
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Wos |
000321423500017 |
Publication Date |
2013-05-09 |
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| |
Series Editor |
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Series Title |
|
Abbreviated Series Title |
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| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0360-1323 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
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| |
Impact Factor |
|
Times cited |
|
Open Access |
|
|
| |
Notes |
|
Approved |
no |
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| |
Call Number |
UA @ admin @ c:irua:109788 |
Serial |
8087 |
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| Permanent link to this record |
| |
|
| |
|
Author |
Alvarado-Alvarado, A.A.; De Bock, A.; Ysebaert, T.; Belmans, B.; Denys, S. |
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| |
Title |
Modeling the hygrothermal behavior of green walls in Comsol Multiphysics® : validation against measurements in a climate chamber |
Type |
A1 Journal article |
| |
Year |
2023 |
Publication |
Building and environment |
Abbreviated Journal |
|
|
| |
Volume |
238 |
Issue |
|
Pages |
110377-12 |
|
| |
Keywords |
A1 Journal article; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL); Energy and Materials in Infrastructure and Buildings |
|
| |
Abstract |
Green walls (GW) can diminish building's surface temperature through shading, insulation, and evapotranspiration mechanisms. These can be analyzed by computer models that account for heat and mass transfer phenomena. However, most previous models were one-dimensional thermal simulations in which boundary conditions (BC), like convective moisture transport, were not or only partly considered. The present work proposes a more comprehensive way to predict GW's hygrothermal behavior by integrating a 3D multiphysics model that couples heat and moisture transport in Comsol Multiphysics®. The air cavity that usually separates the GW from the building was also considered. Heat sink terms were added to represent plants' transpiration and substrates' evaporation, considering the leaf area density (LAD) and substrate's water saturation (Sr). The model was validated against experiments where four green wall-test panels (GW-TPs) were evaluated in a climate chamber under steady-state conditions. This provides a much sounder approach for validation than what currently exists (r = 0.97; RMSE = 0.33 °C). The four GW-TPs decreased the masonry's surface temperature in the range of 0.89–1.14 °C (0.97 ± 0.11 SD °C). The average contribution of the evapotranspiration effect was 30%, whereas the contribution of the air cavity was 60.7 ± 0.09%. The temperature at the substrate's rear was reduced on average by 0.57 ± 0.15 SD °C. When solar radiation was considered as a BC, the GW-TPs decreased the building's surface temperature by 10 °C. Lastly, high values of LAD and Sr translated into increased temperature reduction values. |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
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Editor |
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| |
Language |
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Wos |
001001412600001 |
Publication Date |
2023-05-02 |
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| |
Series Editor |
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Series Title |
|
Abbreviated Series Title |
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| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0360-1323 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
|
| |
Impact Factor |
7.4 |
Times cited |
|
Open Access |
OpenAccess |
|
| |
Notes |
|
Approved |
Most recent IF: 7.4; 2023 IF: 4.053 |
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| |
Call Number |
UA @ admin @ c:irua:196467 |
Serial |
8899 |
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| Permanent link to this record |
| |
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| |
|
Author |
De Bock, A.; Belmans, B.; Vanlanduit, S.; Blom, J.; Alvarado Alvarado, A.A.; Audenaert, A. |
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| |
Title |
A review on the leaf area index (LAI) in vertical greening systems |
Type |
A1 Journal article |
| |
Year |
2023 |
Publication |
Building and environment |
Abbreviated Journal |
|
|
| |
Volume |
229 |
Issue |
|
Pages |
109926-14 |
|
| |
Keywords |
A1 Journal article; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL); Sustainable Pavements and Asphalt Research (SuPAR); Energy and Materials in Infrastructure and Buildings |
|
| |
Abstract |
The leaf area index (LAI) is a key dynamic parameter in Vertical Greening Systems (VGS). It quantifies the total amount of leaf area in the canopy and largely determines the extent of co-benefits of VGS. Whereas many studies on VGS discuss the importance of the LAI, only few elaborate on the parameter itself, how it is determined and what the current limitations are in VGS. Moreover, although there is scientific consensus on the importance of LAI in VGS, specific non-destructive monitoring techniques for continuous LAI monitoring appear to be absent, which results in limited overall data on the LAI of VGS under different spatial and temporal conditions and problems in quantifying the benefits of VGS in practice. To fill these gaps, this paper specifically focuses on the LAI of VGS and its monitoring techniques. An overview of existing LAI monitoring techniques in the field of VGS is presented. To arrive at dedicated techniques, this is complemented by a thorough analysis of LAI monitoring techniques used in other research fields, e.g. agriculture and forestry. It is established that two indirect techniques for LAI monitoring are currently available in the VGS sector, but a proper standardized sampling methodology currently lacks. Monitoring techniques used in other sectors offer opportunities for developing dedicated monitoring methods for VGS, but require further research due to the specific features of VGS systems. Furthermore, guidelines are proposed for a more standardized LAI determination of reporting of LAI values in VGS. |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
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Editor |
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| |
Language |
|
Wos |
000950866100001 |
Publication Date |
2022-12-19 |
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| |
Series Editor |
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Series Title |
|
Abbreviated Series Title |
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| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0360-1323 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
|
| |
Impact Factor |
7.4 |
Times cited |
|
Open Access |
|
|
| |
Notes |
|
Approved |
Most recent IF: 7.4; 2023 IF: 4.053 |
|
| |
Call Number |
UA @ admin @ c:irua:194575 |
Serial |
9085 |
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| Permanent link to this record |
| |
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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 |
Type |
A3 Journal article |
| |
Year |
2014 |
Publication |
Bulletin AFAV |
Abbreviated Journal |
|
|
| |
Volume |
|
Issue |
|
Pages |
13-19 |
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| |
Keywords |
A3 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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| |
Abstract |
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| |
Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
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Editor |
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Language |
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Wos |
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Publication Date |
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| |
Series Editor |
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Series Title |
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Abbreviated Series Title |
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| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
|
ISBN |
|
Additional Links |
UA library record |
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| |
Impact Factor |
|
Times cited |
|
Open Access |
|
|
| |
Notes |
|
Approved |
Most recent IF: NA |
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| |
Call Number |
UA @ admin @ c:irua:124631 |
Serial |
5884 |
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| Permanent link to this record |
| |
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| |
|
Author |
Verbueken, A.; Van Grieken, R. |
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| |
Title |
Influence on photoplate evaluation parameters in spark source mass spectrometric analysis |
Type |
A1 Journal article |
| |
Year |
1981 |
Publication |
Bulletin des sociétés chimiques belges |
Abbreviated Journal |
|
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| |
Volume |
90 |
Issue |
|
Pages |
331-341 |
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| |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
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Editor |
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Language |
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Wos |
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Publication Date |
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| |
Series Editor |
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Series Title |
|
Abbreviated Series Title |
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| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0037-9646 |
ISBN |
|
Additional Links |
UA library record |
|
| |
Impact Factor |
|
Times cited |
|
Open Access |
|
|
| |
Notes |
|
Approved |
no |
|
| |
Call Number |
UA @ admin @ c:irua:116626 |
Serial |
8099 |
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| Permanent link to this record |
| |
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| |
|
Author |
Otten, P.; Bruynseels, F.; Van Grieken, R. |
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| |
Title |
Nitric acid interaction with marine aerosols sampled by impaction |
Type |
A1 Journal article |
| |
Year |
1986 |
Publication |
Bulletin des sociétés chimiques belges |
Abbreviated Journal |
|
|
| |
Volume |
95 |
Issue |
|
Pages |
447-453 |
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| |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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| |
Abstract |
|
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| |
Address |
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| |
Corporate Author |
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Thesis |
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| |
Publisher |
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Place of Publication |
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Editor |
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| |
Language |
|
Wos |
|
Publication Date |
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| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
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| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0037-9646 |
ISBN |
|
Additional Links |
UA library record |
|
| |
Impact Factor |
|
Times cited |
|
Open Access |
|
|
| |
Notes |
|
Approved |
no |
|
| |
Call Number |
UA @ admin @ c:irua:116773 |
Serial |
8306 |
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| Permanent link to this record |
| |
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| |
|
Author |
Semkina, A.S.; Abakumov, M.A.; Abakumov, A.M.; Nukolova, N.V.; Chekhonin, V.P. |
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| |
Title |
Relationship between the Size of Magnetic Nanoparticles and Efficiency of MRT Imaging of Cerebral Glioma in Rats |
Type |
A1 Journal article |
| |
Year |
2016 |
Publication |
Bulletin of experimental biology and medicine |
Abbreviated Journal |
B Exp Biol Med+ |
|
| |
Volume |
161 |
Issue |
2 |
Pages |
292-295 |
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| |
Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
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| |
Abstract |
BSA-coated Fe3O4 nanoparticles with different hydrodynamic diameters (36 +/- 4 and 85 +/- 10 nm) were synthesized, zeta potential and T2 relaxivity were determined, and their morphology was studied by transmission electron microscopy. Studies on rats with experimental glioma C6 showed that smaller nanoparticles more effectively accumulated in the tumor and circulated longer in brain vessels. Optimization of the hydrodynamic diameter improves the efficiency of MRT contrast agent. |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
New York |
Editor |
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| |
Language |
|
Wos |
000380118500022 |
Publication Date |
2016-07-07 |
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Series Editor |
|
Series Title |
|
Abbreviated Series Title |
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| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0007-4888 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
|
| |
Impact Factor |
0.456 |
Times cited |
5 |
Open Access |
|
|
| |
Notes |
|
Approved |
Most recent IF: 0.456 |
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| |
Call Number |
UA @ lucian @ c:irua:144707 |
Serial |
4684 |
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| Permanent link to this record |
| |
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| |
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Author |
Vansant, P.; Smondyrev, M.A.; Peeters, F.M.; Devreese, J.T. |
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| |
Title |
Excited states of the one-dimensional bipolaron in the strong coupling limit |
Type |
A3 Journal article |
| |
Year |
1994 |
Publication |
Bulletin of the American Physical Society |
Abbreviated Journal |
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| |
Volume |
39 |
Issue |
|
Pages |
889 |
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| |
Keywords |
A3 Journal article; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems |
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Abstract |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
|
Place of Publication |
Lancaster, Pa |
Editor |
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Language |
|
Wos |
|
Publication Date |
0000-00-00 |
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Series Editor |
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Series Title |
|
Abbreviated Series Title |
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| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0003-0503 |
ISBN |
|
Additional Links |
UA library record |
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| |
Impact Factor |
|
Times cited |
|
Open Access |
|
|
| |
Notes |
|
Approved |
no |
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| |
Call Number |
UA @ lucian @ c:irua:20365 |
Serial |
1109 |
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| Permanent link to this record |
| |
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| |
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Author |
Shi, J.M.; Peeters, F.M.; Devreese, J.T. |
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| |
Title |
Shallow-donor states in strongly-coupled super-lattices |
Type |
A3 Journal article |
| |
Year |
1994 |
Publication |
Bulletin of the American Physical Society |
Abbreviated Journal |
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| |
Volume |
39 |
Issue |
|
Pages |
488 |
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| |
Keywords |
A3 Journal article; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems |
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Abstract |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
Lancaster, Pa |
Editor |
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Language |
|
Wos |
|
Publication Date |
0000-00-00 |
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Series Editor |
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Series Title |
|
Abbreviated Series Title |
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| |
Series Volume |
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Series Issue |
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Edition |
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| |
ISSN |
0003-0503 |
ISBN |
|
Additional Links |
UA library record |
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| |
Impact Factor |
|
Times cited |
|
Open Access |
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| |
Notes |
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Approved |
MATERIALS SCIENCE, MULTIDISCIPLINARY 96/271 Q2 # |
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| |
Call Number |
UA @ lucian @ c:irua:20363 |
Serial |
2988 |
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| Permanent link to this record |
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Author |
Vandelannoote, R.; Van 't dack, L.; Gijbels, R. |
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| |
Title |
Trace element and micro-mineral composition of some selected anhydrite samples from the Saint Ghislain drill hole (Hainaut, Belgium) |
Type |
A3 Journal article |
| |
Year |
1986 |
Publication |
Bulletin van de Belgische Vereniging voor Geologie |
Abbreviated Journal |
|
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| |
Volume |
95 |
Issue |
|
Pages |
101-109 |
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| |
Keywords |
A3 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT) |
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| |
Abstract |
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Address |
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Corporate Author |
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Thesis |
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| |
Publisher |
|
Place of Publication |
Bruxelles |
Editor |
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| |
Language |
|
Wos |
|
Publication Date |
0000-00-00 |
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| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
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| |
Series Volume |
|
Series Issue |
|
Edition |
|
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| |
ISSN |
0379-1807 |
ISBN |
|
Additional Links |
UA library record |
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| |
Impact Factor |
|
Times cited |
|
Open Access |
|
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| |
Notes |
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Approved |
INSTRUMENTS & INSTRUMENTATION 31/56 Q3 # NUCLEAR SCIENCE & TECHNOLOGY 9/32 Q2 # PHYSICS, PARTICLES & FIELDS 24/28 Q4 # SPECTROSCOPY 28/43 Q3 # |
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| |
Call Number |
UA @ lucian @ c:irua:111504 |
Serial |
3689 |
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| Permanent link to this record |
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| |
|
Author |
Boulay, E.; Nakano, J.; Turner, S.; Idrissi, H.; Schryvers, D.; Godet, S. |
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| |
Title |
Critical assessments and thermodynamic modeling of BaO-SiO2 and SiO2-TiO2 systems and their extensions into liquid immiscibility in the BaO-SiO2-TiO2 system |
Type |
A1 Journal article |
| |
Year |
2014 |
Publication |
Calphad computer coupling of phase diagrams and thermochemistry |
Abbreviated Journal |
Calphad |
|
| |
Volume |
47 |
Issue |
|
Pages |
68-82 |
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| |
Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
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| |
Abstract |
This study discusses rational reproduction of liquid immiscibility in the BaO-SiO2-TiO2 system. While a ternary assessment requires sub-binary descriptions in the same thermodynamic model, the related sub-binary systems BaO-SiO2, BaO-TiO2 and SiO2-TiO2 liquid and solid phases have been evaluated using different thermodynamic models in the literature. In this study, BaO-SiO2 and SiO2-TiO2 were assessed using the Ionic Two Sublattice model (I2SL) based on experimental data from the literature. BaO-TiO2 was already assessed using this model. Binary descriptions developed were then used for the assessment of liquid immiscibility in the BaO-SiO2-TiO2 system. Ternary interaction parameters were found necessary for rational reproduction of the new ternary experimental data gathered in the present work. The model parameters for each system were evaluated using a CAPLHAD approach. A set of parameters is proposed. They show good agreement between the calculated and experimental equilibrium liquidus, liquid immiscibility and thermochemical properties in the BaO-SiO2-TiO2 system. (C) 2014 Elsevier Ltd. All rights reserved. |
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Address |
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Corporate Author |
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Thesis |
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| |
Publisher |
|
Place of Publication |
Oxford |
Editor |
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| |
Language |
|
Wos |
000346224700008 |
Publication Date |
2014-07-05 |
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| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0364-5916; |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
|
| |
Impact Factor |
1.6 |
Times cited |
9 |
Open Access |
|
|
| |
Notes |
|
Approved |
Most recent IF: 1.6; 2014 IF: 1.370 |
|
| |
Call Number |
UA @ lucian @ c:irua:122776 |
Serial |
540 |
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| Permanent link to this record |
| |
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| |
|
Author |
Bencs, L. |
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| |
Title |
Calculation of the spectral line profile broadening parameter in graphite furnace atomic absorption spectrometry |
Type |
A1 Journal article |
| |
Year |
2008 |
Publication |
Canadian Journal Of Analytical Sciences And Spectroscopy |
Abbreviated Journal |
|
|
| |
Volume |
53 |
Issue |
2 |
Pages |
52-58 |
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| |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
|
| |
Abstract |
A polynomial approach is applied for a number of data from the Posener-tables to calculate the values of the intensity distribution function of atomic absorption lines – H(a, 0.726a) – at the tabulated damping-parameter values with an error not worse than 0.044 %. For the resultant H(a, 0.726a) data, the ninth and sixth order polynomials can be fitted according to the damping parameter range of 0-2, and 2-10, respectively, which results in a minimal error of approximation. The derived functions are simply applicable to the calculation of any H(a, 0.726a) value belonging to a damping-parameter of any arbitrarily selected spectral line, implying the influence of Doppler- and Lorentz-broadening. The overall error of the described method is lower than 0.4 %. |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
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Editor |
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| |
Language |
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Wos |
000260130600002 |
Publication Date |
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Series Editor |
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Series Title |
|
Abbreviated Series Title |
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| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
1205-6685 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
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| |
Impact Factor |
|
Times cited |
|
Open Access |
|
|
| |
Notes |
|
Approved |
no |
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| |
Call Number |
UA @ admin @ c:irua:103094 |
Serial |
7571 |
|
| Permanent link to this record |
| |
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| |
|
Author |
Sánchez-Muñoz, L.; García-Guinea, J.; Zagorsky, V.Y.; Juwono, T.; Modreski, P.J.; Cremades, A.; Van Tendeloo, G.; de Moura, O.J.M. |
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| |
Title |
The evolution of twin patterns in perthitic K-feldspar from garnitic pegmatites |
Type |
A1 Journal article |
| |
Year |
2012 |
Publication |
Canadian mineralogist |
Abbreviated Journal |
Can Mineral |
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| |
Volume |
50 |
Issue |
4 |
Pages |
989-1024 |
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| |
Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
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Abstract |
Grains of K-feldspar are commonly seen as heterogeneous mixtures of mineral species and varieties with random microstructures. Most consider that observable features arise from incomplete re-equilibrations owing to slow kinetic and localized effects of aqueous fluids (catalyst), with geological environment and chemical impurities playing only a secondary role. Here, an alternative approach is explored by studying well-preserved regularities in the twin patterns of K-feldspars formed in the subsolidus stage from a historical perspective. Selected samples from granitic pegmatites were studied by polarized light optical microscopy (PLOM), electron-probe micro-analysis (EPMA), scanning (SEM) and transmission electron microscopy (TEM), cathodoluminescence imaging (CL), micro-Raman spectroscopy (MRS) and 31P nuclear magnetic resonance (NMR). We have found that the essential feature of this crystalline medium is the astounding capability to recrystallize in self-organized twin patterns. The mechanism involves coupling between short-range atomic motion, and long-range displacive correlations propagated as ideal and non-ideal Albite and Pericline orientations. We suggest a general evolutionary process to explain the development of macroscopic twin patterns in microcline, based on three twin generations as microtwins, macrotwins and cryptotwins. Evolutionary variants also were identified; they depend on both internal crystallochemical features and an external geological stimulus. We suggest a continuous monoclinictriclinic transformation for impure K-feldspar, whereas a discontinuous inversion occurs where the starting composition is close to the ideal chemical formula. Twin patterns can evolve by twin coarsening to single-orientation microcline if the system releases energy, or by twin fragmentation to finely twinned microcline if the system stores energy. Hence, K-feldspar is seen here as a very sensitive medium in which precious geological information is recorded in the form of twin patterns, and thus useful for general geological challenges. |
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Place of Publication |
Toronto |
Editor |
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Language |
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Wos |
000314174400015 |
Publication Date |
2012-10-29 |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0008-4476;1499-1276; |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
0.817 |
Times cited |
11 |
Open Access |
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Notes |
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Approved |
Most recent IF: 0.817; 2012 IF: 1.180 |
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Call Number |
UA @ lucian @ c:irua:101781 |
Serial |
1103 |
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| Permanent link to this record |
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Author |
Sercu, S.; Zhang, L.; Merregaert, J. |
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Title |
The extracellular matrix protein 1: its molecular interaction and implication in tumor progression |
Type |
A1 Journal article |
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Year |
2008 |
Publication |
Cancer investigation |
Abbreviated Journal |
Cancer Invest |
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Volume |
26 |
Issue |
4 |
Pages |
375-384 |
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Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
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Abstract |
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Thesis |
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Place of Publication |
New York, N.Y. |
Editor |
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Language |
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Wos |
000255370000008 |
Publication Date |
2008-04-28 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0735-7907;1532-4192; |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
2.007 |
Times cited |
41 |
Open Access |
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Notes |
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Approved |
Most recent IF: 2.007; 2008 IF: 1.976 |
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Call Number |
UA @ lucian @ c:irua:68573 |
Serial |
1160 |
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Author |
Privat-Maldonado, A.; Gorbanev, Y.; Dewilde, S.; Smits, E.; Bogaerts, A. |
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Title |
Reduction of Human Glioblastoma Spheroids Using Cold Atmospheric Plasma: The Combined Effect of Short- and Long-Lived Reactive Species |
Type |
A1 Journal article |
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Year |
2018 |
Publication |
Cancers |
Abbreviated Journal |
Cancers |
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Volume |
10 |
Issue |
11 |
Pages |
394 |
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Keywords |
A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT) |
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Abstract |
Cold atmospheric plasma (CAP) is a promising technology against multiple types of cancer. However, the current findings on the effect of CAP on two-dimensional glioblastoma cultures do not consider the role of the tumour microenvironment. The aim of this study was to determine the ability of CAP to reduce and control glioblastoma spheroid tumours in vitro . Three-dimensional glioblastoma spheroid tumours (U87-Red, U251-Red) were consecutively treated directly and indirectly with a CAP using dry He, He + 5% H 2 O or He + 20% H 2 O. The cytotoxicity and spheroid shrinkage were monitored using live imaging. The reactive oxygen and nitrogen species produced in phosphate buffered saline (PBS) were measured by electron paramagnetic resonance (EPR) and colourimetry. Cell migration was also assessed. Our results demonstrate that consecutive CAP treatments (He + 20% H 2 O) substantially shrank U87-Red spheroids and to a lesser degree, U251-Red spheroids. The cytotoxic effect was due to the short- and long-lived species delivered by CAP: they inhibited spheroid growth, reduced cell migration and decreased proliferation in CAP-treated spheroids. Direct treatments were more effective than indirect treatments, suggesting the importance of CAP-generated, short-lived species for the growth inhibition and cell cytotoxicity of solid glioblastoma tumours. We concluded that CAP treatment can effectively reduce glioblastoma tumour size and restrict cell migration, thus demonstrating the potential of CAP therapies for glioblastoma. |
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Wos |
000451307700001 |
Publication Date |
2018-10-23 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
2072-6694 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
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Times cited |
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Open Access |
OpenAccess |
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Notes |
The authors thank Paul Cos (Department of Pharmaceutical Sciences, University of Antwerp) for providing EPR equipment and Christophe Hermans for his help with the immunohistochemical experiments. |
Approved |
Most recent IF: NA |
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Call Number |
PLASMANT @ plasmant @c:irua:154871 |
Serial |
5065 |
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Author |
Shaw, P.; Kumar, N.; Hammerschmid, D.; Privat-Maldonado, A.; Dewilde, S.; Bogaerts, A. |
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Title |
Synergistic Effects of Melittin and Plasma Treatment: A Promising Approach for Cancer Therapy |
Type |
A1 Journal article |
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Year |
2019 |
Publication |
Cancers |
Abbreviated Journal |
Cancers |
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Volume |
11 |
Issue |
8 |
Pages |
1109 |
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Keywords |
A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT) |
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Abstract |
Melittin (MEL), a small peptide component of bee venom, has been reported to exhibit anti-cancer effects in vitro and in vivo. However, its clinical applicability is disputed because of its non-specific cytotoxicity and haemolytic activity in high treatment doses. Plasma-treated phosphate buffered saline solution (PT-PBS), a solution rich in reactive oxygen and nitrogen species (RONS) can disrupt the cell membrane integrity and induce cancer cell death through oxidative stress-mediated pathways. Thus, PT-PBS could be used in combination with MEL to facilitate its access into cancer cells and to reduce the required therapeutic dose. The aim of our study is to determine the reduction of the effective dose of MEL required to eliminate cancer cells by its combination with PT-PBS. For this purpose, we have optimised the MEL threshold concentration and tested the combined treatment of MEL and PT-PBS on A375 melanoma and MCF7 breast cancer cells, using in vitro, in ovo and in silico approaches. We investigated the cytotoxic effect of MEL and PT-PBS alone and in combination to reveal their synergistic cytological effects. To support the in vitro and in ovo experiments, we showed by computer simulations that plasma-induced oxidation of the phospholipid bilayer leads to a decrease of the free energy barrier for translocation of MEL in comparison with the non-oxidized bilayer, which also suggests a synergistic effect of MEL with plasma induced oxidation. Overall, our findings suggest that MEL in combination with PT-PBS can be a promising combinational therapy to circumvent the non-specific toxicity of MEL, which may help for clinical applicability in the future. |
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Corporate Author |
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Place of Publication |
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Wos |
000484438000069 |
Publication Date |
2019-08-03 |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
2072-6694 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
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Times cited |
1 |
Open Access |
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Notes |
We gratefully acknowledge financial support from the Research Foundation—Flanders (FWO), grant number 12J5617N. We are thankful to Maksudbek Yusupov for his valuable discussions, and to the Center for Oncological Research (CORE), for providing the facilities for the experimental work. The computational work was carried out using the Turing HPC infrastructure at the CalcUA core facility of the University Antwerp, a division of the Flemish Supercomputer Center VSC, funded by the Hercules Foundation, the Flemish Government (department EWI), and the University of Antwerp. |
Approved |
Most recent IF: NA |
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Call Number |
PLASMANT @ plasmant @c:irua:161630 |
Serial |
5286 |
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Author |
Bekeschus, S.; Freund, E.; Spadola, C.; Privat-Maldonado, A.; Hackbarth, C.; Bogaerts, A.; Schmidt, A.; Wende, K.; Weltmann, K.-D.; von Woedtke, T.; Heidecke, C.-D.; Partecke, L.-I.; Käding, A. |
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Title |
Risk Assessment of kINPen Plasma Treatment of Four Human Pancreatic Cancer Cell Lines with Respect to Metastasis |
Type |
A1 Journal article |
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Year |
2019 |
Publication |
Cancers |
Abbreviated Journal |
Cancers |
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Volume |
11 |
Issue |
9 |
Pages |
1237 |
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Keywords |
A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT) |
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Abstract |
Cold physical plasma has limited tumor growth in many preclinical models and is, therefore, suggested as a putative therapeutic option against cancer. Yet, studies investigating the cells’ metastatic behavior following plasma treatment are scarce, although being of prime importance to evaluate the safety of this technology. Therefore, we investigated four human pancreatic cancer cell lines for their metastatic behavior in vitro and in chicken embryos (in ovo). Pancreatic cancer was chosen as it is particularly metastatic to the peritoneum and systemically, which is most predictive for outcome. In vitro, treatment with the kINPen plasma jet reduced pancreatic cancer cell activity and viability, along with unchanged or decreased motility. Additionally, the expression of adhesion markers relevant for metastasis was down-regulated, except for increased CD49d. Analysis of 3D tumor spheroid outgrowth showed a lack of plasma-spurred metastatic behavior. Finally, analysis of tumor tissue grown on chicken embryos validated the absence of an increase of metabolically active cells physically or chemically detached with plasma treatment. We conclude that plasma treatment is a safe and promising therapeutic option and that it does not promote metastatic behavior in pancreatic cancer cells in vitro and in ovo. |
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Place of Publication |
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Wos |
000489719000022 |
Publication Date |
2019-08-23 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
2072-6694 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
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Times cited |
4 |
Open Access |
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Notes |
The authors acknowledge that this work was supported by grants funded by the German Federal Ministry of Education and Research (BMBF), grant number 03Z22DN11. We want to thank the Research Foundation – Flanders (FWO) for providing funding to APM under the “long stay abroad” scheme (grant code V415618N). APM and AB acknowledge financial support from the Methusalem project. Technical support by Felix Niessner and Antje Janetzko is gratefully acknowledged. |
Approved |
Most recent IF: NA |
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Call Number |
PLASMANT @ plasmant @c:irua:162106 |
Serial |
5357 |
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Author |
Biscop,; Lin,; Boxem,; Loenhout,; Backer,; Deben,; Dewilde,; Smits,; Bogaerts, |
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Title |
Influence of Cell Type and Culture Medium on Determining Cancer Selectivity of Cold Atmospheric Plasma Treatment |
Type |
A1 Journal article |
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Year |
2019 |
Publication |
Cancers |
Abbreviated Journal |
Cancers |
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Volume |
11 |
Issue |
9 |
Pages |
1287 |
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Keywords |
A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT); Center for Oncological Research (CORE) |
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Abstract |
Increasing the selectivity of cancer treatments is attractive, as it has the potential to reduce side-effects of therapy. Cold atmospheric plasma (CAP) is a novel cancer treatment that disrupts the intracellular oxidative balance. Several reports claim CAP treatment to be selective, but retrospective analysis of these studies revealed discrepancies in several biological factors and culturing methods. Before CAP can be conclusively stated as a selective cancer treatment, the importance of these factors must be investigated. In this study, we evaluated the influence of the cell type, cancer type, and cell culture medium on direct and indirect CAP treatment. Comparison of cancerous cells with their non-cancerous counterparts was performed under standardized conditions to determine selectivity of treatment. Analysis of seven human cell lines (cancerous: A549, U87, A375, and Malme-3M; non-cancerous: BEAS-2B, HA, and HEMa) and five different cell culture media (DMEM, RPMI1640, AM, BEGM, and DCBM) revealed that the tested parameters strongly influence indirect CAP treatment, while direct treatment was less affected. Taken together, the results of our study demonstrate that cell type, cancer type, and culturing medium must be taken into account before selectivity of CAP treatment can be claimed and overlooking these parameters can easily result in inaccurate conclusions of selectivity. |
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Place of Publication |
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Wos |
000489719000072 |
Publication Date |
2019-09-01 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
2072-6694 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
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Times cited |
9 |
Open Access |
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Notes |
the Research Foundation Flanders, 12S9218N – ; Universiteit Antwerpen, – ; |
Approved |
Most recent IF: NA |
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Call Number |
PLASMANT @ plasmant @c:irua:162097 |
Serial |
5360 |
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| Permanent link to this record |
