Records |
Author |
Worobiec, A.; de Hoog, J.; Osán, J.; Szalóki, I.; Ro, C.-U.; Van Grieken, R. |
Title |
Thermal stability of beam sensitive atmospheric aerosol particles in electron probe microanalysis at liquid nitrogen temperature |
Type |
A1 Journal article |
Year |
2003 |
Publication |
Spectrochimica acta: part B : atomic spectroscopy |
Abbreviated Journal |
|
Volume |
58 |
Issue |
|
Pages |
479-496 |
Keywords |
A1 Journal article; Laboratory Experimental Medicine and Pediatrics (LEMP); AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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 |
000182680400008 |
Publication Date |
2003-04-23 |
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 ![sorted by Edition field, ascending order (up)](img/sort_asc.gif) |
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ISSN |
0584-8547; 1873-3565 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
|
Times cited |
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Open Access |
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Notes |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:41220 |
Serial |
8663 |
Permanent link to this record |
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Author |
Liu, Y.; Cánovas, R.; Crespo, G.A.; Cuartero, M. |
Title |
Thin-layer potentiometry for creatinine detection in undiluted human urine using ion-exchange membranes as barriers for charged interferences |
Type |
A1 Journal article |
Year |
2020 |
Publication |
Analytical Chemistry |
Abbreviated Journal |
Anal Chem |
Volume |
92 |
Issue |
4 |
Pages |
3315-3323 |
Keywords |
A1 Journal article; Engineering sciences. Technology; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
Herein, thin-layer potentiometry combined with ion-exchange membranes as barriers for charged interferences is demonstrated for the analytical detection of creatinine (CRE) in undiluted human urine. Briefly, CRE diffuses through an anion-exchange membrane (AEM) from a sample contained in one fluidic compartment to a second reservoir, containing the enzyme CRE deiminase. There, CRE reacts with the enzyme, and the formation of ammonium is dynamically monitored by potentiometric ammonium-selective electrodes. This analytical concept is integrated into a lab-on-a-chip microfluidic cell that allows for a high sample throughput and the operation under stop-flow mode, which allows CRE to passively diffuse across the AEM. Conveniently, positively charged species (i.e., potassium, sodium, and ammonium, among others) are repelled by the AEM and never reach the ammonium-selective electrodes; thus, possible interference in the response can be avoided. As a result, the dynamic potential response of the electrodes is entirely ascribed to the stoichiometric formation of ammonium. The new CRE biosensor exhibits a Nernstian slope, within a linear range of response from 1 to 50 mM CRE concentration. As expected, the response time (15–60 min) primarily depends on the CRE diffusion across the AEM. CRE analysis in urine samples displayed excellent results, without requiring sample pretreatment (before the introduction of the sample in the microfluidic chip) and with high compatibility with development into a potential point-of-care clinical tool. In an attempt to decrease the analysis time, the presented analytical methodology for CRE detection is translated into an all-solid-state platform, in which the enzyme is immobilized on the surface of the ammonium-selective electrode and with the AEM on top. While more work is necessary in this direction, the CRE sensor appears to be promising for CRE analysis in both urine and blood. |
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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Language |
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Wos |
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Publication Date |
2020-01-23 |
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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 ![sorted by Edition field, ascending order (up)](img/sort_asc.gif) |
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ISSN |
0003-2700; 5206-882x |
ISBN |
|
Additional Links |
UA library record |
Impact Factor |
7.4 |
Times cited |
|
Open Access |
|
Notes |
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Approved |
Most recent IF: 7.4; 2020 IF: 6.32 |
Call Number |
UA @ admin @ c:irua:184380 |
Serial |
8667 |
Permanent link to this record |
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Author |
de Hoog, J.; Osán, J.; Szalóki, I.; Eyckmans, K.; Worobiec, A.; Ro, C.-U.; Van Grieken, R. |
Title |
Thin-window electron probe X-ray microanalysis of individual atmospheric particles above the North Sea |
Type |
A1 Journal article |
Year |
2005 |
Publication |
Atmospheric environment : an international journal |
Abbreviated Journal |
|
Volume |
39 |
Issue |
18 |
Pages |
3231-3242 |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Laboratory Experimental Medicine and Pediatrics (LEMP) |
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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Wos |
000230125000005 |
Publication Date |
2005-04-16 |
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 ![sorted by Edition field, ascending order (up)](img/sort_asc.gif) |
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ISSN |
1352-2310 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:53443 |
Serial |
8668 |
Permanent link to this record |
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Author |
Vincze, L.; Vekemans, B.; Brenker, F.E.; Falkenberg, G.; Rickers, K.; Somogyi, A.; Kersten, M.; Adams, F. |
Title |
Three-dimensional trace element analysis by confocal X-ray microfluorescence imaging |
Type |
A1 Journal article |
Year |
2004 |
Publication |
Analytical chemistry |
Abbreviated Journal |
|
Volume |
76 |
Issue |
22 |
Pages |
6786-6791 |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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 |
000225076400034 |
Publication Date |
2004-11-12 |
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 ![sorted by Edition field, ascending order (up)](img/sort_asc.gif) |
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ISSN |
0003-2700; 5206-882x |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
|
Times cited |
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Open Access |
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Notes |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:49817 |
Serial |
8669 |
Permanent link to this record |
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Author |
Verbueken, A.; Michiels, E.; Van Grieken, R. |
Title |
Total analysis of plant material and biological tissue by spark source mass spectrometry |
Type |
A3 Journal article |
Year |
1981 |
Publication |
Fresenius' Zeitschrift für analytische Chemie |
Abbreviated Journal |
|
Volume |
309 |
Issue |
4 |
Pages |
300-304 |
Keywords |
A3 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
Analysis of biological material by spark source mass spectrometry is reported. Preliminary studies mainly based upon the analysis of the NBS standard reference material SRM-1571 (Orchard Leaves) are described. Attention is drawn to the importance of a suitable sample preparation method. The advantages of a wet digestion technique in a Teflon bomb are discussed and its use is justified by the satisfactory overall analysis precision of about 20%. |
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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 |
2004-11-15 |
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 ![sorted by Edition field, ascending order (up)](img/sort_asc.gif) |
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ISSN |
0016-1152 |
ISBN |
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Additional Links |
UA library record |
Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:116639 |
Serial |
8675 |
Permanent link to this record |
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Author |
Thiruvottriyur Shanmugam, S.; Van Echelpoel, R.; Boeye, G.; Eliaerts, J.; Samanipour, M.; Ching, H.Y.V.; Florea, A.; Van Doorslaer, S.; Van Durme, F.; Samyn, N.; Parrilla, M.; De Wael, K. |
Title |
Towards developing a screening strategy for ecstasy : revealing the electrochemical profile |
Type |
A1 Journal article |
Year |
2021 |
Publication |
Chemelectrochem |
Abbreviated Journal |
Chemelectrochem |
Volume |
8 |
Issue |
24 |
Pages |
4826-4834 |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Organic synthesis (ORSY); Applied Electrochemistry & Catalysis (ELCAT); Antwerp Electrochemical and Analytical Sciences Lab (A-Sense Lab) |
Abstract |
This article describes the development of an electrochemical screening strategy for 3,4-methylenedioxymethamphetamine (MDMA), the regular psychoactive compound in ecstasy (XTC) pills. We have investigated the specific electrochemical profile of MDMA and its electro-oxidation mechanisms at disposable graphite screen-printed electrodes. We have proved that the formation of a radical cation and subsequent reactions are indeed responsible for the electrode surface passivation, as evidenced by using electron paramagnetic resonance spectroscopy and electrochemistry. Thereafter, pure cutting agents and MDMA as well as simulated binary mixtures of compounds with MDMA were subjected to square wave voltammetry at pH 7 to understand the characteristic electrochemical profile. An additional measurement at pH 12 was able to resolve false positives and negatives occurring at pH 7. Finally, validation of the screening strategy was done by measuring a set of ecstasy street samples. Overall, our proposed electrochemical screening strategy has been demonstrated for the rapid, sensitive, and selective detection of MDMA, resolving most of the false positives and negatives given by the traditional Marquis color tests, thus exhibiting remarkable promises for the on-site screening of MDMA. |
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 |
000735883700020 |
Publication Date |
2021-12-22 |
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 ![sorted by Edition field, ascending order (up)](img/sort_asc.gif) |
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ISSN |
2196-0216 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
4.136 |
Times cited |
|
Open Access |
OpenAccess |
Notes |
|
Approved |
Most recent IF: 4.136 |
Call Number |
UA @ admin @ c:irua:184371 |
Serial |
8680 |
Permanent link to this record |
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|
Author |
Joos, P.E.; Godoi, A.F.L.; de Jong, R.; de Zeeuw, J.; Van Grieken, R. |
Title |
Trace analysis of benzene, toluene, ethylbenzene and xylene isomers in environmental samples by low-pressure gas chromatography-ion trap mass spectrometry |
Type |
A1 Journal article |
Year |
2003 |
Publication |
Journal of chromatography: A: bibliography section |
Abbreviated Journal |
|
Volume |
985 |
Issue |
|
Pages |
191-196 |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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 |
000180580400024 |
Publication Date |
2003-02-04 |
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 ![sorted by Edition field, ascending order (up)](img/sort_asc.gif) |
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ISSN |
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ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:40612 |
Serial |
8685 |
Permanent link to this record |
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|
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Author |
Van Grieken, R.E.; LaBrecque, J.J. |
Title |
Trace analysis of environmental samples by X-ray emission spectroscopy |
Type |
H3 Book chapter |
Year |
1985 |
Publication |
|
Abbreviated Journal |
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Volume |
|
Issue |
|
Pages |
101-183
T2 - Trace analysis : vol. 4 / Lawrence, J |
Keywords |
H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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 |
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Series Issue |
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Edition ![sorted by Edition field, ascending order (up)](img/sort_asc.gif) |
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ISSN |
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ISBN |
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Additional Links |
UA library record |
Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:117495 |
Serial |
8686 |
Permanent link to this record |
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|
|
Author |
Sauter, L.; Van der Ben, D.; Van Grieken, R. |
Title |
Trace analysis of estuarine brown algae by energy-dispersive X-ray fluorescence |
Type |
A1 Journal article |
Year |
1979 |
Publication |
X-ray spectrometry |
Abbreviated Journal |
|
Volume |
8 |
Issue |
4 |
Pages |
159-163 |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
Brown algae, which are good indicators for estuarine metal pollution, can advantageously be analysed by energy-dispersive X-ray fluorescence. The use of thin film samples and samples of intermediate thickness has several advantages over the conventional thick pellet procedure. A quite homogeneous thin target is prepared by suspending 15 mg of dried and ground seaweed powder in bi-distilled water and evaporating the slurry on a 10 cm2 Mylar foil held in a Teflon ring. The effective sample weight in the beam is calculated by a procedure based on the scatter peaks in the spectrum. Sensitivities are typically in the 215 ppm range. The coefficient of variation per analysis averaged over ten elements amounts to 10%. The natural concentration variation in seaweed specimens at one location is 13%. Samples from locations in the more polluted western Scheldt estuary yield significantly higher values for several elements, relative to the eastern Scheldt sites. Possible trace element variations between the top and base of plants, and between different seaweed specimens and sampling seasons, are discussed. |
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 |
A1979JC63700003 |
Publication Date |
2005-05-28 |
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 ![sorted by Edition field, ascending order (up)](img/sort_asc.gif) |
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ISSN |
0049-8246 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
|
Times cited |
|
Open Access |
|
Notes |
|
Approved |
no |
Call Number |
UA @ admin @ c:irua:116481 |
Serial |
8687 |
Permanent link to this record |
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|
|
Author |
Martin, J.-M.; Thomas, A.J.; Van Grieken, R.E. |
Title |
Trace element composition of Zaire suspended sediments |
Type |
A1 Journal article |
Year |
1978 |
Publication |
Netherlands journal of sea research |
Abbreviated Journal |
|
Volume |
12 |
Issue |
3/4 |
Pages |
414-420 |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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 |
2003-08-07 |
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 ![sorted by Edition field, ascending order (up)](img/sort_asc.gif) |
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ISSN |
0077-7579; 1873-1406 |
ISBN |
|
Additional Links |
UA library record |
Impact Factor |
|
Times cited |
|
Open Access |
|
Notes |
|
Approved |
no |
Call Number |
UA @ admin @ c:irua:116609 |
Serial |
8688 |
Permanent link to this record |
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|
Author |
Artaxo, P.; Rabello, M.L.C.; Maenhaut, W.; Van Grieken, R. |
Title |
Trace elements and individual particle analysis of atmospheric aerosols from the Antarctic peninsula |
Type |
A3 Journal article |
Year |
1992 |
Publication |
Tellus |
Abbreviated Journal |
|
Volume |
44b |
Issue |
|
Pages |
318-334 |
Keywords |
A3 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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 |
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Series Issue |
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Edition ![sorted by Edition field, ascending order (up)](img/sort_asc.gif) |
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ISSN |
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ISBN |
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Additional Links |
UA library record |
Impact Factor |
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Times cited |
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Open Access |
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Notes |
|
Approved |
no |
Call Number |
UA @ admin @ c:irua:2845 |
Serial |
8689 |
Permanent link to this record |
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|
Author |
Costa Dantas, C.; Moura de Amorim, W.; Van 't dack, L.; Van Grieken, R. |
Title |
Trace elements in the atmospheric aerosols and soils in and around Recife, N.E. Brasil |
Type |
A3 Journal article |
Year |
1980 |
Publication |
Ciencia e cultura |
Abbreviated Journal |
|
Volume |
32 |
Issue |
|
Pages |
1525-1532 |
Keywords |
A3 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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 |
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Series Issue |
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Edition ![sorted by Edition field, ascending order (up)](img/sort_asc.gif) |
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ISSN |
0009-6725 |
ISBN |
|
Additional Links |
UA library record |
Impact Factor |
|
Times cited |
|
Open Access |
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Notes |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:111434 |
Serial |
8690 |
Permanent link to this record |
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|
Author |
Vanderstappen, M.; Van Grieken, R. |
Title |
Trace metal analysis of sediments and particulate matter in sea water by energy-dispersive X-ray fluorescence |
Type |
A3 Journal article |
Year |
1976 |
Publication |
Fresenius' Zeitschrift für analytische Chemie |
Abbreviated Journal |
|
Volume |
282 |
Issue |
1 |
Pages |
25-30 |
Keywords |
A3 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
The capability of energy-dispersive X-ray fluorescence was investigated for fast and simple chemical analysis of trace elements in sediments and particulate matter in sea water. Nuclepore 0.4 μm pore-size membranes are recommended as optimal filters for a straightforward collection of suspended material. The collection of suspended trace metals by filtration seemed to give a sufficiently homogeneous filter load (s% <2.5). Data are presented on the concentrations of K, Ca, Ti, Cr, Mn, Fe, Ni, Cu, Zn, Br, Pb, Rb and Sr with a fair precision (s% < 5.6) and accuracy. |
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 |
2004-11-12 |
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 ![sorted by Edition field, ascending order (up)](img/sort_asc.gif) |
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ISSN |
0016-1152 |
ISBN |
|
Additional Links |
UA library record |
Impact Factor |
|
Times cited |
|
Open Access |
|
Notes |
|
Approved |
no |
Call Number |
UA @ admin @ c:irua:116637 |
Serial |
8691 |
Permanent link to this record |
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|
|
Author |
Vanderborght, B.M.; Van Grieken, R.E. |
Title |
Trace metal analysis of water containing humic substances by X-ray fluorescence |
Type |
A1 Journal article |
Year |
1978 |
Publication |
International journal of environmental analytical chemistry |
Abbreviated Journal |
|
Volume |
5 |
Issue |
3 |
Pages |
221-237 |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
Chelation by oxine followed by adsorption on activated carbon results in the efficient collection of many trace metal ions, independent of the trace metal concentration and of high alkali and alkaline earth ion abundances. Preconcentration factors around 10000 are often achieved. When this preconcentration procedure is combined with energy-dispersive X-ray fluorescence, accurate and precise analysis can be carried out, as was proven in several experiments. The technique can also be applied for the determination of divalent ions in natural waters containing up to 10 ppm of humic substances. Trivalent ions can quantitatively be collected from natural water provided suKicient activated carbon is added. Omitting the oxine chelation prior to the activated carbon adsorption step still results in collection of a sometimes important fraction of the trace metal ions from natural waters. This is related to organically bound or colloidal forms of the trace metals. |
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 |
A1978FR88000005 |
Publication Date |
2007-07-07 |
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 ![sorted by Edition field, ascending order (up)](img/sort_asc.gif) |
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ISSN |
0306-7319 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
|
Times cited |
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Open Access |
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Notes |
|
Approved |
no |
Call Number |
UA @ admin @ c:irua:116570 |
Serial |
8692 |
Permanent link to this record |
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Author |
Van Grieken, R.E.; Johansson, T.B.; Winchester, J.W. |
Title |
Trace metal fractionation effects between sea water and aerosols from bubble bursting |
Type |
A1 Journal article |
Year |
1974 |
Publication |
Journal de recherches atmosphériques |
Abbreviated Journal |
|
Volume |
8 |
Issue |
3-4 |
Pages |
611-621 |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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 |
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Series Issue |
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Edition ![sorted by Edition field, ascending order (up)](img/sort_asc.gif) |
|
ISSN |
0021-7972 |
ISBN |
|
Additional Links |
UA library record |
Impact Factor |
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Times cited |
|
Open Access |
|
Notes |
|
Approved |
no |
Call Number |
UA @ admin @ c:irua:113641 |
Serial |
8693 |
Permanent link to this record |
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|
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Author |
Winchester, J.W.; Meinert, D.L.; Nelson, J.W.; Johansson, T.B.; Van Grieken, R.E.; Orsini, C.; Kaufmann, H.C.; Akselsson, R. |
Title |
Trace metals in the St-Louis aerosol |
Type |
H3 Book chapter |
Year |
1975 |
Publication |
|
Abbreviated Journal |
|
Volume |
|
Issue |
|
Pages |
385-394
T2 - Nuclear techniques in environmental r |
Keywords |
H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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UA library record |
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Open Access |
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no |
Call Number |
UA @ admin @ c:irua:117459 |
Serial |
8694 |
Permanent link to this record |
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Author |
Nguyen, H.L.; Braun, M.; Szaloki, I.; Baeyens, W.; Van Grieken, R.; Leermakers, M. |
Title |
Tracing the metal pollution history of the Tisza River through the analysis of a sediment depth profile |
Type |
A1 Journal article |
Year |
2009 |
Publication |
Water, air and soil pollution |
Abbreviated Journal |
|
Volume |
200 |
Issue |
|
Pages |
119-132 |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
The vertical profiles of 20 major and trace metals were investigated along a 180-cm-long sediment core, which was sampled at Kiss-Janosne-Holt Tisza, an oxbow lake located in the upper part of the Tisza River in Hungary. The vertical profiles showed sharp peaks at different depths, reflecting historical pollution events and unusual changes of river water characteristics. Five different groups of metals, containing metals which were strongly correlated and showing a similar behaviour, could be distinguished by factor analysis. Six areas, with variable degrees and types of contamination, were classified in the sediment core with cluster analysis. The most polluted sections were found in the upper 50-cm part (significantly contaminated by Cu, Zn, Pb, Cd and Hg) and the deeper 100120-cm part (characterised by high concentrations of metals associated with mining activities, such as Fe and Mn, as well as Cu, Zn and Pb). In recent years, important pollution events, such as the one which took place in March of 2000, were the reason for pollution of the upper sediment layers, whereas mining activities during the last century were responsible for the pollution of the deeper core sections. |
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Wos |
000266487700012 |
Publication Date |
2008-10-29 |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition ![sorted by Edition field, ascending order (up)](img/sort_asc.gif) |
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ISSN |
0049-6979; 1573-2932 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
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Times cited |
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Open Access |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:77257 |
Serial |
8695 |
Permanent link to this record |
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Author |
Worobiec, A.; Samek, J.; Krata, A.; van Meel, K.; Krupińska, B.; Stefaniak, E.A.; Karaszkiewicz, P.; Van Grieken, R. |
Title |
Transport and deposition of airborne pollutants in exhibition areas located in historical buildings: study in Wawel Castle Museum in Cracow, Poland |
Type |
A1 Journal article |
Year |
2010 |
Publication |
Journal of cultural heritage |
Abbreviated Journal |
|
Volume |
11 |
Issue |
3 |
Pages |
354-359 |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Laboratory Experimental Medicine and Pediatrics (LEMP) |
Abstract |
Historical buildings and castles that have been turned nowadays into museums, as an exhibition area for precious cultural heritage (CH) items, need more attention since they are CH objects by themselves. Moreover, the preservation techniques require often, significant interventions; however such changes are not always possible or are very limited. The aim of the present study was to investigate the influence of outdoor air pollution on the composition of particulate matter and gases inside the museum of Wawel Castle in Cracow, Poland. During this study a combination of micro and trace analysis techniques were applied, including energy dispersive X-ray fluorescence (EDXRF) and electron probe microanalysis (EPMA). An intensive transport of air pollutants coupled with accumulation of the particles inside the museum was noticed (considerably higher in winter than summer). A high content of carbon and organic matter agglomerated with inorganic particles was determined. Those particles are of special concern because of their adhesive properties and reactivity. It was also noted that the conditions inside the museum favour the reaction of the particles with gaseous pollutants. It was especially the case for nitrate particles. |
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Corporate Author |
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Wos |
000279867800017 |
Publication Date |
2010-03-25 |
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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 ![sorted by Edition field, ascending order (up)](img/sort_asc.gif) |
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ISSN |
1296-2074 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:83277 |
Serial |
8698 |
Permanent link to this record |
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Author |
Subramanian, V.; Van Grieken, R.; Van 't dack, L. |
Title |
Transport and fractionation of Pb in river sediments from the Indian sub-continent |
Type |
A1 Journal article |
Year |
1987 |
Publication |
Journal of the Geological Society of India |
Abbreviated Journal |
|
Volume |
30 |
Issue |
|
Pages |
217-226 |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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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Wos |
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Publication Date |
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Series Editor |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition ![sorted by Edition field, ascending order (up)](img/sort_asc.gif) |
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ISSN |
0016-7622 |
ISBN |
|
Additional Links |
UA library record |
Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:111506 |
Serial |
8699 |
Permanent link to this record |
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Author |
Hoornaert, S.; Treiger, B.; Van Grieken, R.; Laane, R. |
Title |
Trend analysis of the published concentrations of heavy metals in aerosols above the North Sea and the English Channel for the period 1971-1994 |
Type |
A1 Journal article |
Year |
1999 |
Publication |
Environmental reviews |
Abbreviated Journal |
|
Volume |
7 |
Issue |
|
Pages |
191-202 |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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 |
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Series Issue |
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Edition ![sorted by Edition field, ascending order (up)](img/sort_asc.gif) |
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ISSN |
1181-8700 |
ISBN |
|
Additional Links |
UA library record |
Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:27590 |
Serial |
8700 |
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Author |
Semenov, M.Y.; Spolnik, Z.; Granina, L.; Van Grieken, R. |
Title |
Ultra-thin window electron probe microanalysis of suspended particles in tributaries of Lake Baikal, Siberia |
Type |
A1 Journal article |
Year |
2005 |
Publication |
International journal of environmental analytical chemistry |
Abbreviated Journal |
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Volume |
85 |
Issue |
6 |
Pages |
377-386 |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
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Address |
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Corporate Author |
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Place of Publication |
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Wos |
000229611800003 |
Publication Date |
2007-07-07 |
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Abbreviated Series Title |
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Series Issue |
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Edition ![sorted by Edition field, ascending order (up)](img/sort_asc.gif) |
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ISSN |
0306-7319 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:52360 |
Serial |
8701 |
Permanent link to this record |
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Author |
Vandeputte, D.; Van Grieken, R.E.; Jacob, W.A.; Savory, J.; Bertholf, R.L.; Wills, M.R. |
Title |
Ultrastructural localization of aluminium in liver of aluminium maltol-treated rabbits by laser microprobe mass analysis |
Type |
A1 Journal article |
Year |
1989 |
Publication |
Biomedical and environmental mass spectrometry |
Abbreviated Journal |
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Volume |
18 |
Issue |
8 |
Pages |
598-602 |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
By means of laser microprobe mass analysis (LAMMA), we have studied the ultrastructural localization of aluminium in livers of aluminium maltol-treated rabbits. This animal model was developed to study long-term aluminium toxicity using systemic (intravenous) administration of aluminium. We could only detect aluminium in electron-dense inclusion bodies found in large, sometimes multinucleated cells. These results prove that the actual observation of aluminium deposits in liver with LAMMA gives more information than bulk analysis and can be very useful to explore mechanisms of toxicity. |
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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Wos |
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Publication Date |
2005-05-29 |
Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Issue |
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Edition ![sorted by Edition field, ascending order (up)](img/sort_asc.gif) |
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ISSN |
0887-6134 |
ISBN |
|
Additional Links |
UA library record |
Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:116817 |
Serial |
8702 |
Permanent link to this record |
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Author |
Verbueken, A.H.; van de Vijver, F.L.; Van Grieken, R.E.; Paulus, G.J.; Visser, W.J.; d'Haese, P.; de Broe, M.E. |
Title |
Ultrastructural localization of aluminum in patients with dialysis-associated osteomalacia |
Type |
A1 Journal article |
Year |
1984 |
Publication |
Clinical chemistry : international journal of laboratory medicine and molecular diagnostics |
Abbreviated Journal |
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Volume |
30 |
Issue |
5 |
Pages |
763-768 |
Keywords |
A1 Journal article; Pharmacology. Therapy; Pathophysiology; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Laboratory Experimental Medicine and Pediatrics (LEMP) |
Abstract |
Using laser microprobe mass analysis, we studied the ultrastructural localization of aluminum in liver and bone tissue of chronic-hemodialysis patients with proven aluminum-induced osteomalacia. In the liver, aluminum was observed to be almost exclusively associated with iron. Detectable aluminum and large amounts of iron were found in lysosomes of both hepatocytes and Kupffer cells. In bone, aluminum was localized at the osteoid/calcified-bone interface and also was associated with iron in some cases. |
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Wos |
A1984SR66500043 |
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Abbreviated Series Title |
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Edition ![sorted by Edition field, ascending order (up)](img/sort_asc.gif) |
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ISSN |
0009-9147; 1530-8561 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:116713 |
Serial |
8703 |
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Author |
Worobiec, A.; de Hoog, J.; Osán, J.; Szalóki, I.; Joos, P.; Van Grieken, R. |
Title |
Unconventional microanalysis for low-Z, volatile and organic aerosol compounds |
Type |
A1 Journal article |
Year |
2000 |
Publication |
Journal of aerosol science |
Abbreviated Journal |
|
Volume |
31 |
Issue |
S1 |
Pages |
384-385 |
Keywords |
A1 Journal article; Laboratory Experimental Medicine and Pediatrics (LEMP); AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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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Series Title |
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Abbreviated Series Title |
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Series Issue |
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Edition ![sorted by Edition field, ascending order (up)](img/sort_asc.gif) |
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ISSN |
0021-8502; 1879-1964 |
ISBN |
|
Additional Links |
UA library record |
Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:31639 |
Serial |
8704 |
Permanent link to this record |
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Author |
Alvarez-Martin, A.; McHugh, K.; Martin, C.; Kavich, G.; Kaczkowski, R. |
Title |
Understanding air-tight case environments at the National Museum of the American Indian (Smithsonian Institution) by SPME-GC-MS analysis |
Type |
A1 Journal article |
Year |
2020 |
Publication |
Journal Of Cultural Heritage |
Abbreviated Journal |
J Cult Herit |
Volume |
44 |
Issue |
|
Pages |
38-46 |
Keywords |
A1 Journal article; Art; History; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
Some volatile organic compounds (VOCs), generated and accumulated in exhibition cases, are capable of inducing degradation in historical artifacts. In this context, it is of special importance to distinguish between VOCs emitted by the construction materials and/or the historical objects, with the ultimate goal of proposing an appropriate mitigation strategy. To pursue this goal, a comprehensive analysis based on solid phase microextraction (SPME) coupled to gas chromatography-mass spectrometry (GC-MS) has been optimized. The sampling setup used in this study does not require any modification of the exhibition design, and the testing remained nearly invisible and unobtrusive to museum visitors. This methodology has been applied to an issue encountered at the National Museum of the American Indian (Smithsonian Institution), where an unpleasant smell was detected in airtight exhibition cases already on display containing sensitive historical objects. The analysis of the volatiles emitted by construction materials allowed for identification of characteristic markers emitted by each material, and the ability to identify their overall contribution in the exhibition case. Via this method, SPME-GC-MS confirmed via the detection of some specific markers that the unpleasant smell was released by one of the construction materials and had accumulated in the exhibition case. In addition, due to the measurements taken in different positions around the exhibition cases, results were useful to point out the range of efficiency of the sorbent material placed in some of the exhibition cases as a first attempt of mitigation technique. (C) 2020 Elsevier Masson SAS. All rights reserved. |
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 |
000560473700004 |
Publication Date |
2020-02-06 |
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 ![sorted by Edition field, ascending order (up)](img/sort_asc.gif) |
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ISSN |
1296-2074 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
3.1 |
Times cited |
|
Open Access |
|
Notes |
|
Approved |
Most recent IF: 3.1; 2020 IF: 1.838 |
Call Number |
UA @ admin @ c:irua:181927 |
Serial |
8706 |
Permanent link to this record |
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Author |
Baij, L.; Liu, C.; Buijs, J.; Alvarez Martin, A.; Westert, D.; Raven, L.; Geels, N.; Noble, P.; Sprakel, J.; Keune, K. |
Title |
Understanding and optimizing Evolon® CR for varnish removal from oil paintings |
Type |
A1 Journal article |
Year |
2021 |
Publication |
Heritage science |
Abbreviated Journal |
|
Volume |
9 |
Issue |
1 |
Pages |
155-17 |
Keywords |
A1 Journal article; Engineering sciences. Technology; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Antwerp X-ray Imaging and Spectroscopy (AXIS) |
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 |
2021-11-27 |
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 ![sorted by Edition field, ascending order (up)](img/sort_asc.gif) |
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ISSN |
2050-7445 |
ISBN |
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Additional Links |
UA library record |
Impact Factor |
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Times cited |
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Open Access |
Not_Open_Access |
Notes |
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Approved |
Most recent IF: NA |
Call Number |
UA @ admin @ c:irua:183747 |
Serial |
8707 |
Permanent link to this record |
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Author |
Bencs, L.; Horemans, B.; Buczyńska, A.J.; Van Grieken, R. |
Title |
Uneven distribution of inorganic pollutants in marine air originating from ocean-going ships |
Type |
A1 Journal article |
Year |
2017 |
Publication |
Environmental pollution |
Abbreviated Journal |
|
Volume |
222 |
Issue |
|
Pages |
226-233 |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
The distribution of mass, water-soluble inorganic salts and mineral elements of size-segregated aerosols (PM1, PM2.5-1 and PM10-2.5), precursor gaseous pollutants, black carbon, and nanoparticles (10-300 nm size range) at the Southern Bight of the North Sea has been studied. The concentrations of air pollutants peaked over shipping lanes, open-water anchorage areas and frequently navigated waters, due to the presence of mobile emission sources. A considerable decrease in air pollutant levels was seen when diverting from these marine areas towards remote or coastal banks. These findings showed the rapid dispersion of pollutants in the marine air. The nano-aerosol count, originating from ocean-going ships, peaked at lower average aerodynamic diameters (e.g., approximate to 28 nm) than those, observed from low displacement vessels (45-50 nm, e.g., for fishing boats). The average diameter of nano-PM depended also on weather conditions, e.g., it was higher (approximate to 50 nm) in air of higher humidity. (C) 2016 Elsevier Ltd. All rights reserved. |
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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 |
000395360900028 |
Publication Date |
2017-01-06 |
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 ![sorted by Edition field, ascending order (up)](img/sort_asc.gif) |
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ISSN |
0269-7491; 1873-6424 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
|
Times cited |
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Open Access |
|
Notes |
|
Approved |
no |
Call Number |
UA @ admin @ c:irua:142516 |
Serial |
8710 |
Permanent link to this record |
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|
Author |
Van Echelpoel, R.; de Jong, M.; Daems, D.; van Espen, P.; De Wael, K. |
Title |
Unlocking the full potential of voltammetric data analysis : a novel peak recognition approach for (bio)analytical applications |
Type |
A1 Journal article |
Year |
2021 |
Publication |
Talanta |
Abbreviated Journal |
Talanta |
Volume |
233 |
Issue |
|
Pages |
122605 |
Keywords |
A1 Journal article; Engineering sciences. Technology; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
Bridging the gap between complex signal data output and clear interpretation by non-expert end-users is a major challenge many scientists face when converting their scientific technology into a real-life application. Currently, pattern recognition algorithms are the most frequently encountered signal data interpretation algorithms to close this gap, not in the least because of their straight-forward implementation via convenient software packages. Paradoxically, just because their implementation is so straight-forward, it becomes cumbersome to integrate the expert's domain-specific knowledge. In this work, a novel signal data interpretation approach is presented that uses this domain-specific knowledge as its fundament, thereby fully exploiting the unique expertise of the scientist. The new approach applies data preprocessing in an innovative way that transcends its usual purpose and is easy to translate into a software application. Multiple case studies illustrate the straight-forward application of the novel approach. Ultimately, the approach is highly suited for integration in various (bio)analytical applications that require interpretation of signal data. |
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 |
000668000500108 |
Publication Date |
2021-06-11 |
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 ![sorted by Edition field, ascending order (up)](img/sort_asc.gif) |
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ISSN |
0039-9140; 1873-3573 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
4.162 |
Times cited |
|
Open Access |
OpenAccess |
Notes |
|
Approved |
Most recent IF: 4.162 |
Call Number |
UA @ admin @ c:irua:179417 |
Serial |
8712 |
Permanent link to this record |
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|
|
Author |
Dillen, A.; Vandezande, W.; Daems, D.; Lammertyn, J. |
Title |
Unraveling the effect of the aptamer complementary element on the performance of duplexed aptamers : a thermodynamic study |
Type |
A1 Journal article |
Year |
2021 |
Publication |
Analytical And Bioanalytical Chemistry |
Abbreviated Journal |
Anal Bioanal Chem |
Volume |
413 |
Issue |
19 |
Pages |
4739-4750 |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
Duplexed aptamers (DAs) are widespread aptasensor formats that simultaneously recognize and signal the concentration of target molecules. They are composed of an aptamer and aptamer complementary element (ACE) which consists of a short oligonucleotide that partially inhibits the aptamer sequence. Although the design principles to engineer DAs are straightforward, the tailored development of DAs for a particular target is currently based on trial and error due to limited knowledge of how the ACE sequence affects the final performance of DA biosensors. Therefore, we have established a thermodynamic model describing the influence of the ACE on the performance of DAs applied in equilibrium assays and demonstrated that this relationship can be described by the binding strength between the aptamer and ACE. To validate our theoretical findings, the model was applied to the 29-mer anti-thrombin aptamer as a case study, and an experimental relation between the aptamer-ACE binding strength and performance of DAs was established. The obtained results indicated that our proposed model could accurately describe the effect of the ACE sequence on the performance of the established DAs for thrombin detection, applied for equilibrium assays. Furthermore, to characterize the binding strength between the aptamer and ACEs evaluated in this work, a set of fitting equations was derived which enables thermodynamic characterization of DNA-based interactions through thermal denaturation experiments, thereby overcoming the limitations of current predictive software and chemical denaturation experiments. Altogether, this work encourages the development, characterization, and use of DAs in the field of biosensing. |
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 |
000659366300001 |
Publication Date |
2021-06-10 |
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 ![sorted by Edition field, ascending order (up)](img/sort_asc.gif) |
|
ISSN |
1618-2642; 1618-2650 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
3.431 |
Times cited |
|
Open Access |
Not_Open_Access |
Notes |
|
Approved |
Most recent IF: 3.431 |
Call Number |
UA @ admin @ c:irua:179163 |
Serial |
8713 |
Permanent link to this record |
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|
|
Author |
Maso, L.; Trande, M.; Liberi, S.; Moro, G.; Daems, E.; Linciano, S.; Sobott, F.; Covaceuszach, S.; Cassetta, A.; Fasolato, S.; Moretto, L.M.; De Wael, K.; Cendron, L.; Angelini, A. |
Title |
Unveiling the binding mode of perfluorooctanoic acid to human serum albumin |
Type |
A1 Journal article |
Year |
2021 |
Publication |
Protein Science |
Abbreviated Journal |
Protein Sci |
Volume |
30 |
Issue |
4 |
Pages |
830-841 |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
Perfluorooctanoic acid (PFOA) is a toxic compound that is absorbed and distributed throughout the body by noncovalent binding to serum proteins such as human serum albumin (hSA). Though the interaction between PFOA and hSA has been already assessed using various analytical techniques, a high resolution and detailed analysis of the binding mode is still lacking. We report here the crystal structure of hSA in complex with PFOA and a medium-chain saturated fatty acid (FA). A total of eight distinct binding sites, four occupied by PFOAs and four by FAs, have been identified. In solution binding studies confirmed the 4:1 PFOA-hSA stoichiometry and revealed the presence of one high and three low affinity binding sites. Competition experiments with known hSA-binding drugs allowed locating the high affinity binding site in sub-domain IIIA. The elucidation of the molecular basis of the interaction between PFOA and hSA might provide not only a better assessment of the absorption and elimination mechanisms of these compounds in vivo but also have implications for the development of novel molecular receptors for diagnostic and biotechnological applications. |
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Wos |
000625392600001 |
Publication Date |
2021-02-08 |
Series Editor |
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Edition ![sorted by Edition field, ascending order (up)](img/sort_asc.gif) |
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ISSN |
0961-8368 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
2.523 |
Times cited |
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Open Access |
Not_Open_Access |
Notes |
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Approved |
Most recent IF: 2.523 |
Call Number |
UA @ admin @ c:irua:176725 |
Serial |
8714 |
Permanent link to this record |