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Author |
Baken, S.; Salaets, P.; Desmet, N.; Seuntjens, P.; Vanlierde, E.; Smolders, E. |
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Title |
Oxidation of iron causes removal of phosphorus and arsenic from streamwater in groundwater-fed lowland catchments |
Type |
A1 Journal article |
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Year |
2015 |
Publication |
Environmental science and technology |
Abbreviated Journal |
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Volume |
49 |
Issue |
5 |
Pages |
2886-2894 |
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Keywords |
A1 Journal article; Sustainable Energy, Air and Water Technology (DuEL) |
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Abstract |
The fate of iron (Fe) may affect that of phosphorus (P) and arsenic (As) in natural waters. This study addresses the removal of Fe, P, and As from streams in lowland catchments fed by reduced, Fe-rich groundwater (average: 20 mg Fe L-1). The concentrations of dissolved Fe (<0.45 mu m) in streams gradually decrease with increasing hydraulic residence time (travel time) of the water in the catchment. The removal of Fe from streamwater is governed by chemical reactions and hydrological processes: the oxidation of ferrous iron (Fe(II)) and the subsequent formation of particulate Fe oxyhydroxides proceeds as the water flows through the catchment into increasingly larger streams. The Fe removal exhibits first-order kinetics with a mean half-life of 12 h, a value in line with predictions by a kinetic model for Fe(II) oxidation. The Fe concentrations in streams vary seasonally: they are higher in winter than in summer, due to shorter hydraulic residence time and lower temperature in winter. The removal of P and As is much faster than that of Fe. The average concentrations of P and As in streams (42 mu g P L-1) and 1.4 mu g As L-1) are 1 order of magnitude below those in groundwater (393 mu g P L-1 and 17 mu g As L-1). This removal is attributed to fast sequestration by oxidizing Fe when the water enters oxic environments, possibly by adsorption on Fe oxyhydroxides or by formation of ferric phosphates. The average P and As concentrations in groundwater largely exceed local environmental limits for freshwater (140 mu g P L-1 and 3 mu g As L((-1)), but in streams, they are below these limits. Naturally occurring Fe in groundwater may alleviate the environmental risk associated with P and As in the receiving streams. |
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Wos |
000350611100040 |
Publication Date |
2015-02-06 |
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ISSN |
0013-936x; 1520-5851 |
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UA library record; WoS full record; WoS citing articles |
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Call Number |
UA @ admin @ c:irua:125409 |
Serial |
8354 |
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Author |
de Gendt, S.; Van Grieken, R.E.; Ohorodnik, S.K.; Harrison, W.W. |
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Title |
Parameter evaluation for the analysis of oxide-based samples with radio ferquency glow discharge mass spectrometry |
Type |
A1 Journal article |
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Year |
1995 |
Publication |
Analytical chemistry |
Abbreviated Journal |
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Volume |
67 |
Issue |
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Pages |
1026-1033 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Wos |
A1995QM00100002 |
Publication Date |
2005-03-08 |
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Edition |
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ISSN |
0003-2700; 5206-882x |
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UA library record; WoS full record; WoS citing articles |
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Call Number |
UA @ admin @ c:irua:12342 |
Serial |
8356 |
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Author |
Mabesoone, J.M.; Farias, C.C.; Van Grieken, R.; Duarte, P.J.; Delgado, A.; Freira, E.M.P. |
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Title |
Parnaiba Basin shales (Northeast Brazil) |
Type |
A1 Journal article |
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Year |
1985 |
Publication |
Anais da Academia Brasileira de Ciências |
Abbreviated Journal |
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Volume |
57 |
Issue |
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Pages |
481-495 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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ISSN |
0001-3765; 1678-2690 |
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Call Number |
UA @ admin @ c:irua:116716 |
Serial |
8357 |
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Author |
Wegrzynek, D.; Van Grieken, R.; Eisma, D. |
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Title |
Particle analysis of sediments from the Gulf of Lions, suspended matter from the Rhone river, and Sahara dust |
Type |
H3 Book chapter |
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Year |
1994 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
51-60
T2 - Particles and particle-water interactio |
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Keywords |
H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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UA library record |
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no |
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Call Number |
UA @ admin @ c:irua:9525 |
Serial |
8358 |
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Author |
Jacquet, S.H.M.; Henjes, J.; Dehairs, F.; Worobiec, A.; Savoye, N.; Cardinal, D. |
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Title |
Particulate ba-barite and acantharians in the Southern Ocean during the European iron fertilization experiment (EIFEX) |
Type |
A1 Journal article |
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Year |
2007 |
Publication |
Journal of geophysical research: G: biogeosciences |
Abbreviated Journal |
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Volume |
112 |
Issue |
4 |
Pages |
04006,1-11 |
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Keywords |
A1 Journal article; Laboratory Experimental Medicine and Pediatrics (LEMP); AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Wos |
000250522300001 |
Publication Date |
2007-10-22 |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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no |
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Call Number |
UA @ admin @ c:irua:66683 |
Serial |
8359 |
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Author |
Avigo, D.; Godoi, A.F.L.; Janissek, P.R.; Makarovska, Y.; Krata, A.; Potgieter-Vermaak, S.; Alfoldy, B.; Van Grieken, R.; Godoi, R.H.M. |
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Title |
Particulate matter analysis at elementary schools in Curitiba, Brazil |
Type |
A1 Journal article |
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Year |
2008 |
Publication |
Analytical and bioanalytical chemistry |
Abbreviated Journal |
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Volume |
391 |
Issue |
4 |
Pages |
1459-1468 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Wos |
000256088700043 |
Publication Date |
2008-03-24 |
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Abbreviated Series Title |
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Series Issue |
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Edition |
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ISSN |
1618-2642; 1618-2650 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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no |
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Call Number |
UA @ admin @ c:irua:68797 |
Serial |
8360 |
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Author |
Stranger, M.; Potgieter-Vermaak, S.S.; Van Grieken, R. |
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Title |
Particulate matter and gaseous pollutants in residences in Antwerp, Belgium |
Type |
A1 Journal article |
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Year |
2009 |
Publication |
The science of the total environment |
Abbreviated Journal |
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Volume |
407 |
Issue |
3 |
Pages |
1182-1192 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
This comprehensive study, a first in Flanders, Belgium, aimed at characterizing the residential indoor air quality of subgroups that took part in the European Community Respiratory Health Survey (ECRHS I1991 and ECHRS II1996) questionnaire-based asthma and related illnesses studies. This pilot study aimed at the evaluation of particulate matter and various inorganic gaseous compounds in residences in Antwerp. In addition personal exposure to the gaseous compounds of one individual per residence was assessed. The main objective was to obtain some base-line pollutant levels and compare these with studies performed in other cities, to estimate the indoor air quality in residences in Antwerp. Correlations between the various pollutant levels, indoor:outdoor ratios and the micro-environments of each residence were investigated. This paper presents results on indoor and ambient PM1, PM2.5 and PM10 mass concentrations, its elemental composition in terms of K, Ca, Ti, V, Cr, Mn, Fe, Ni, Cu, Zn, Br, Pb, Al, Si, S and Cl and the water-soluble ionic concentrations in terms of SO42−, NO32−, Cl−, NH4+ K+, Ca2+. In addition, indoor, ambient and personal exposure levels of the gases NO2, SO2, and O3 were determined. Elevated indoor:outdoor ratios were found for NO2 in residences containing gas stoves. In smoker's houses increased PM concentrations of 58 and 43% were found for the fine and coarse fractions respectively. Contrary to the fact that all I/O ratios of the registered elements in each individual house were significantly correlated to each other, no correlation could be established between the I/O ratios of the different houses, thus indicating a unique micro-environment for each residence. Linear relationships between the particulate matter elemental composition, SO2 and O3 levels indoors and outdoors could be established. No linear relationships between indoor and outdoor NO2 and particulate mass concentrations were found. |
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Wos |
000262660800020 |
Publication Date |
2008-11-15 |
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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 |
0048-9697; 1879-1026 |
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 |
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Notes |
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Approved |
no |
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Call Number |
UA @ admin @ c:irua:76002 |
Serial |
8361 |
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| Permanent link to this record |
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Author |
Dekov, V.; van Alsenoy, V.; Onar, N.; van Put, A.; Van Grieken, R. |
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Title |
Partitioning of heavy metals between estuarine sediments and dissolved phase as a function of salinity, pH and time (Scheldt estuary) |
Type |
A1 Journal article |
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Year |
2001 |
Publication |
Geologica Balcanica |
Abbreviated Journal |
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Volume |
30 |
Issue |
3/4 |
Pages |
65-76 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abbreviated Series Title |
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Edition |
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ISSN |
0324-0894 |
ISBN |
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Additional Links |
UA library record |
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Open Access |
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Notes |
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no |
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Call Number |
UA @ admin @ c:irua:36086 |
Serial |
8362 |
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Author |
Verreydt, G.; Bronders, J.; van Keer, I.; Diels, L.; Vanderauwera, P. |
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Title |
Passive samplers for monitoring VOCs in groundwater and the prospects related to mass flux measurements |
Type |
A1 Journal article |
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Year |
2010 |
Publication |
Ground water monitoring and remediation |
Abbreviated Journal |
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Volume |
30 |
Issue |
2 |
Pages |
114-126 |
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Keywords |
A1 Journal article; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL) |
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Abstract |
Measurement and interpretation of mass fluxes in favor of concentrations is gaining more and more interest, especially within the framework of the characterization and management of large-scale volatile organic carbon (VOC) groundwater contamination (source zones and plumes). Traditional methods of estimating contaminant fluxes and discharges involve individual measurements/calculations of the Darcy water flux and the contaminant concentrations. However, taken into account the spatially and temporally varying hydrologic conditions in complex, heterogeneous aquifers, higher uncertainty arises from such indirect estimation of contaminant fluxes. Therefore, the potential use of passive sampling devices for the direct measurement of groundwater-related VOC mass fluxes is examined. A review of current passive samplers for the measurement of organic contaminants in water yielded the selection of 18 samplers that were screened for a number of criteria. These criteria are related to the possible application of the sampler for the measurement of VOC mass fluxes in groundwater. This screening study indicates that direct measurement of VOC mass fluxes in groundwater is possible with very few passive samplers. Currently, the passive flux meter (PFM) is the only passive sampler which has proven to effectively measure mass fluxes in near source groundwater. A passive sampler for mass flux measurement in plume zones with regard to long-term monitoring (several months to a year) still needs to be developed or optimized. A passive sampler for long-term monitoring of contaminant mass fluxes in groundwater would be of considerable value in the development of risk-based assessment and management of soil and groundwater pollutions. |
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Wos |
000277620400009 |
Publication Date |
2010-05-13 |
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Abbreviated Series Title |
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Series Issue |
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Edition |
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ISSN |
1069-3629 |
ISBN |
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UA library record; WoS full record; WoS citing articles |
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no |
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Call Number |
UA @ admin @ c:irua:82757 |
Serial |
8363 |
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Author |
Verreydt, G.; Bronders, J.; van Keer, I.; Diels, L.; Vanderauwera, P. |
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Title |
Passive samplers for monitoring VOCs in groundwater : prospects related to mass flux measurements |
Type |
P3 Proceeding |
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Year |
2011 |
Publication |
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Abbreviated Journal |
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Pages |
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Keywords |
P3 Proceeding; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL) |
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ISBN |
978-1-907161-16-2 |
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UA library record |
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Call Number |
UA @ admin @ c:irua:110412 |
Serial |
8364 |
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Author |
Cardell, C.; Rivas, T.; Mosquera, M.J.; Birginie, J.M.; Moropoulou, A.; Prieto, B.; Silva, B.; Van Grieken, R. |
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Title |
Patterns of damage in igneous and sedimentary rocks under conditions simulating sea-salt weathering |
Type |
A1 Journal article |
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Year |
2003 |
Publication |
Earth surface processes and landforms |
Abbreviated Journal |
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Volume |
28 |
Issue |
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Pages |
1-14 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Wos |
000180775000001 |
Publication Date |
2003-01-10 |
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Abbreviated Series Title |
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Series Volume |
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Edition |
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ISSN |
0197-9337 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Call Number |
UA @ admin @ c:irua:40615 |
Serial |
8365 |
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Author |
van de Vijver, F.L.; Vanheule, A.O.; Verbueken, A.H.; Van Grieken, R.; d'Haese, P.; Visser, W.J.; Bekaert, A.B.; Buyssens, N.; de Broe, M.E. |
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Title |
Patterns of iron storage in patients with severe renal failure |
Type |
A1 Journal article |
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Year |
1984 |
Publication |
Contributions to nephrology |
Abbreviated Journal |
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Volume |
38 |
Issue |
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Pages |
153-166 |
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Keywords |
A1 Journal article; Pharmacology. Therapy; Pathophysiology; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Laboratory Experimental Medicine and Pediatrics (LEMP) |
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Abbreviated Series Title |
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Edition |
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ISSN |
0302-5144 |
ISBN |
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Additional Links |
UA library record |
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Call Number |
UA @ admin @ c:irua:116707 |
Serial |
8366 |
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Author |
Peeters, B.; Safdar, S.; Carlier, B.; Spasic, D.; Daems, D.; Lammertyn, J. |
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Title |
PCR amplified DNAzyme-amplicons for generic solid-phase antimicrobial resistance screening |
Type |
P1 Proceeding |
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Year |
2019 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
971-974
T2 - Transducers 2019 : Eurosensors XXXIII |
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Keywords |
P1 Proceeding; Engineering sciences. Technology; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
Fiber optic surface plasmon resonance (FO-SPR) has shown its potential for the detection of nucleic acids and more recently the technology has been combined with catalytic active strands such as DNAzymes. In this work, an innovative, generic solid-phase DNA sensor concept is presented, based on FO-SPR and PCR amplified DNAzyme activity. Improved levels of specificity and sensitivity were obtained down to picomolar concentrations. Moreover, the FO-SPR sensor concept enables AuNP amplified DNA target detection, independent of the target sequence length. The FO-SPR sensor was demonstrated for the screening of the mobile colistin resistance (MCR-2) gene, a gene important for the antimicrobial resistance in Gram-negative species such as E. Coli. |
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000539487000245 |
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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 |
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ISBN |
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Additional Links |
UA library record; WoS full record |
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| |
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 |
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| |
Call Number |
UA @ admin @ c:irua:166108 |
Serial |
8367 |
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| Permanent link to this record |
| |
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| |
|
Author |
Rojas, C.M.; Goossens, D.; Van Grieken, R. |
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| |
Title |
Penetration of atmospheric aerosols during collection in cellulose filters, studied by secondary ion mass spectrometry |
Type |
A1 Journal article |
| |
Year |
1989 |
Publication |
Journal of aerosol science |
Abbreviated Journal |
|
|
| |
Volume |
20 |
Issue |
5 |
Pages |
569-574 |
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| |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
|
| |
Abstract |
The penetration of aerosol particles in a Whatman-41 cellulose filter has been studied via the depth profiles of different elements present in the aerosol. Depth profiles were obtained by analyzing both fine and coarse fractions from a dichotomous sampler by secondary ion mass spectrometry. The fine particles had an aerodynamic diameter dae of less than 2.5 μm, whereas the coarse fraction had 2.5 ≤ dae ≤ 15 μm. Elements such as Al, Si, Ca, Ti and Fe were associated with coarse airborne particles, while S, Cl, Zn, and Br were more abundant in the fine fraction. Results showed that particle size plays an important role in the distribution of particulate matter throughout the filter. SiTi-containing particles were mostly deposited near the surface of the filter, and their profiles can be estimated using a polynomial function, whereas the profile of AlCaFe-containing particles can be approached by an exponential decay function. Elements associated with fine fraction aerosols mainly originating from combustion processes, can penetrate up to about 25% of the total filter thickness, and their profiles are better represented by a diffusion function. |
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Corporate Author |
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Wos |
A1989AN60500007 |
Publication Date |
2003-08-06 |
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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 |
0021-8502; 1879-1964 |
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 |
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| |
Notes |
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Approved |
no |
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| |
Call Number |
UA @ admin @ c:irua:116822 |
Serial |
8368 |
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| Permanent link to this record |
| |
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| |
|
Author |
Robberecht, H.; Deelstra, H.; vanden Berghe, D.; Van Grieken, R. |
|
| |
Title |
Percentage selenium in consumed belgian feeding |
Type |
A1 Journal article |
| |
Year |
1982 |
Publication |
Revue des fermentations et des industries alimentaires |
Abbreviated Journal |
|
|
| |
Volume |
37 |
Issue |
6 |
Pages |
188-201 |
|
| |
Keywords |
A1 Journal article; Pharmacology. Therapy; 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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Wos |
A1982QX42300003 |
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 |
0035-2071 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
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| |
Impact Factor |
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Times cited |
|
Open Access |
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| |
Notes |
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Approved |
no |
|
| |
Call Number |
UA @ admin @ c:irua:167192 |
Serial |
8369 |
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| Permanent link to this record |
| |
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| |
|
Author |
Injuk, J.; Van Grieken, R.; Klockenkämper, R.; von Bohlen, A.; Kump, P. |
|
| |
Title |
Performance and characteristics of two total-reflection X-ray fluorescence and a particle induced X-ray emission setup for aerosol analysis |
Type |
A1 Journal article |
| |
Year |
1997 |
Publication |
Spectrochimica acta: part B : atomic spectroscopy |
Abbreviated Journal |
|
|
| |
Volume |
52 |
Issue |
|
Pages |
977-984 |
|
| |
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 |
A1997XH53500023 |
Publication Date |
2002-07-26 |
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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 |
0584-8547; 1873-3565 |
ISBN |
|
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 |
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| |
Notes |
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Approved |
no |
|
| |
Call Number |
UA @ admin @ c:irua:18779 |
Serial |
8370 |
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| Permanent link to this record |
| |
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| |
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Author |
Samek, L.; Injuk, J.; van Espen, P.; Van Grieken, R. |
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| |
Title |
Performance of a new compact EDXRF spectrometer for aerosol analysis |
Type |
A1 Journal article |
| |
Year |
2002 |
Publication |
X-ray spectrometry |
Abbreviated Journal |
|
|
| |
Volume |
31 |
Issue |
|
Pages |
84-86 |
|
| |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Chemometrics (Mitac 3) |
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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 |
000173653400015 |
Publication Date |
2002-10-06 |
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| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
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|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0049-8246 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
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| |
Impact Factor |
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Times cited |
|
Open Access |
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| |
Notes |
|
Approved |
no |
|
| |
Call Number |
UA @ admin @ c:irua:36383 |
Serial |
8371 |
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| Permanent link to this record |
| |
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| |
|
Author |
Hołynska, B.; Olko, M.; Ostachowicz, B.; Ostachowicz, J.; Wegrzynek, D.; Claes, M.; Van Grieken, R.; de Bokx, P.; Kump, P.; Necemer, M. |
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| |
Title |
Performance of total reflection and grazing emission X-ray fluorescence spectrometry for the determination of trace metals in drinking water in relation to other analytical techniques |
Type |
A1 Journal article |
| |
Year |
1998 |
Publication |
Fresenius' journal of analytical chemistry |
Abbreviated Journal |
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|
| |
Volume |
362 |
Issue |
|
Pages |
294-298 |
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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 |
|
Place of Publication |
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Editor |
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| |
Language |
|
Wos |
000076461600011 |
Publication Date |
2002-08-25 |
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| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
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| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0937-0633; 1432-1130 |
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:22775 |
Serial |
8372 |
|
| Permanent link to this record |
| |
|
| |
|
Author |
Buysse, C. |
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| |
Title |
Perovskite capillaries for gas separation in sustainable energy production |
Type |
Doctoral thesis |
| |
Year |
2011 |
Publication |
|
Abbreviated Journal |
|
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| |
Volume |
|
Issue |
|
Pages |
201 p. |
|
| |
Keywords |
Doctoral thesis; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL) |
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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 |
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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 |
|
Edition |
|
|
| |
ISSN |
|
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 |
no |
|
| |
Call Number |
UA @ admin @ c:irua:90548 |
Serial |
8373 |
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| Permanent link to this record |
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| |
|
Author |
Brunekreef, B.; Janssen, N., A.H.; de Hartog, J., J.; Oldenwening, M.; Meliefste, K.; Hoek, G.; Lanki, T.; Timonen, K., L.; Vallius, M.; Pekkanen, J.; Van Grieken, R. |
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| |
Title |
Personal, indoor, and outdoor exposures to PM2.5 and its components for groups of cardiovascular patients in Amsterdam and Helsinki |
Type |
Minutes and reports |
| |
Year |
2005 |
Publication |
|
Abbreviated Journal |
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| |
Volume |
|
Issue |
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Pages |
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| |
Keywords |
Minutes and reports; 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 |
|
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 |
|
Edition |
|
|
| |
ISSN |
|
ISBN |
|
Additional Links |
UA library record |
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| |
Impact Factor |
|
Times cited |
|
Open Access |
|
|
| |
Notes |
|
Approved |
no |
|
| |
Call Number |
UA @ admin @ c:irua:51816 |
Serial |
8374 |
|
| Permanent link to this record |
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|
| |
|
Author |
Vanderborght, B.; Van Grieken, R. |
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| |
Title |
Perspectieven voor energie-dispersieve X-stralen fluorescentie bij de wateranalyse |
Type |
A3 Journal article |
| |
Year |
1975 |
Publication |
Hydrographica |
Abbreviated Journal |
|
|
| |
Volume |
1 |
Issue |
|
Pages |
19-26 |
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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 |
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Series Issue |
|
Edition |
|
|
| |
ISSN |
|
ISBN |
|
Additional Links |
UA library record |
|
| |
Impact Factor |
|
Times cited |
|
Open Access |
|
|
| |
Notes |
|
Approved |
no |
|
| |
Call Number |
UA @ admin @ c:irua:116643 |
Serial |
8375 |
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| Permanent link to this record |
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|
| |
|
Author |
Gielis, J. |
|
| |
Title |
Phi-bonacci in Ancient Greece |
Type |
A1 Journal article |
| |
Year |
2021 |
Publication |
Symmetry : culture and science |
Abbreviated Journal |
|
|
| |
Volume |
32 |
Issue |
1 |
Pages |
25-40 |
|
| |
Keywords |
A1 Journal article; Sustainable Energy, Air and Water Technology (DuEL) |
|
| |
Abstract |
Fibonacci numbers are a very popular subject in mathematics, culture and science. A major open question is why the ancient Greeks overlooked this series, while they were very familiar with the golden mean and division in extreme and mean ratio. Furthermore, they could compute the square root of five to a high degree of precision using Theon 's ladder. This fact is based on tables built with side and diagonal numbers, and it is a simple and incredibly efficient method to compute roots of integers, though it is little known even now among most of the experts. The biologist D 'Arcy Wentworth Thompson showed that the same method could be used to generate the Fibonacci series using a simple shift in the computation of the tables. He argues, quite convincingly, that the ancient Greeks could not have overlooked this. Actually, the same method can be used to generate all possible regular phyllotaxis patterns. |
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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 |
000643822700002 |
Publication Date |
2021-03-30 |
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| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
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| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0865-4824 |
ISBN |
|
Additional Links |
UA library record; WoS full record |
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| |
Impact Factor |
|
Times cited |
|
Open Access |
OpenAccess |
|
| |
Notes |
|
Approved |
Most recent IF: NA |
|
| |
Call Number |
UA @ admin @ c:irua:178322 |
Serial |
8376 |
|
| Permanent link to this record |
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|
| |
|
Author |
Vandeputte, D.F.; Jacob, W.A.; Van Grieken, R.E. |
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| |
Title |
Phosphorus, calcium and lead distribution in collagen in lead induced soft tissue calcification : an ultrastructural and X-ray microanalytical study |
Type |
A1 Journal article |
| |
Year |
1990 |
Publication |
Matrix |
Abbreviated Journal |
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| |
Volume |
10 |
Issue |
1 |
Pages |
33-37 |
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| |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
|
| |
Abstract |
Repeated intraperitoneal injections of lead acetate in rats caused a calcification of the skin of the abdomen near the site of the injections. In the lead-induced calcifications, electron dense collagen bundles could be observed. On the surface of the collagen fibrils, needle-like crystals were visible. With energy-dispersive X-ray analysis, phosphorus, calcium and lead were detected in the electron dense collagen bundles. X-ray maps of the P-Kα, Ca-Kα, and Pb-Lα plus Pb-Lβ lines showed an equivalent distribution along the collagen fibrils for phosphorus and calcium. The occurrence of the most electron dense areas in the STEM-image was comparable to the lead distribution. A good correlation existed between the structural and the elemental images of the same area. Although the medicinal use of preparations containing lead is no longer recommended, some are still prescribed. From our results we can conclude that they should not be applied to injured or inflamed skin. |
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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 |
2012-04-16 |
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| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
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| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0934-8832 |
ISBN |
|
Additional Links |
UA library record |
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| |
Impact Factor |
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Times cited |
|
Open Access |
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| |
Notes |
|
Approved |
no |
|
| |
Call Number |
UA @ admin @ c:irua:116930 |
Serial |
8377 |
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| Permanent link to this record |
| |
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| |
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Author |
Van Hal, M. |
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| |
Title |
Photo(electro)catalytic air purification and soot degradation with simultaneous energy recovery |
Type |
Doctoral thesis |
| |
Year |
2021 |
Publication |
|
Abbreviated Journal |
|
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| |
Volume |
|
Issue |
|
Pages |
XXXII, 203 p. |
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| |
Keywords |
Doctoral thesis; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL) |
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| |
Abstract |
Today’s society is increasingly challenged by a range of urgent environmental problems. Air pollution is one of these pressing topics. This thesis will mainly focus on the degradation of volatile organic compounds (VOCs) and particulate matter (PM) – more specifically soot. A second globally urging topic is the quest for sustainable energy production. To simultaneously target both environmental problems, a photoelectrochemical (PEC) cell will be studied in this thesis, combining air purification and sustainable energy production in a single device. Photocatalysis is used at the anode of the PEC cell to drive the air purification process, while the energy contained in the degraded compounds is (partially) recovered at the cathode, either as H2 gas or electricity. The first two experimental chapters focus on the proof of concept of such an unbiased all-gas phase PEC cell targeting VOC degradation, using both TiO2- and WO3-based photocatalysts. In the two following experimental chapters the photocatalytic soot oxidation capacity of these TiO2- and WO3-based photocatalysts was studied. In the final experimental chapter the previously obtained results were combined, striving towards an efficient, sunlight-driven and soot-degrading waste gas-to-energy PEC cell. |
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Wos |
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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 |
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ISBN |
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Additional Links |
UA library record |
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Impact Factor |
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Times cited |
|
Open Access |
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| |
Notes |
|
Approved |
Most recent IF: NA |
|
| |
Call Number |
UA @ admin @ c:irua:184521 |
Serial |
8378 |
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| Permanent link to this record |
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| |
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Author |
Smits, M. |
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| |
Title |
Photocatalytic degradation of diesel soot : from application to reaction mechanism |
Type |
Doctoral thesis |
| |
Year |
2013 |
Publication |
|
Abbreviated Journal |
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| |
Volume |
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Issue |
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Pages |
160 p. |
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| |
Keywords |
Doctoral thesis; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL) |
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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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Place of Publication |
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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 |
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| |
ISSN |
|
ISBN |
978-90-5728-415-1 |
Additional Links |
UA library record |
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Impact Factor |
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Times cited |
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Open Access |
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| |
Notes |
|
Approved |
no |
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| |
Call Number |
UA @ admin @ c:irua:108803 |
Serial |
8380 |
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| Permanent link to this record |
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| |
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Author |
Muys, M.; Coppens, J.; Boon, N.; Vlaeminck, S.E. |
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| |
Title |
Photosynthetic oxygenation for urine nitrification |
Type |
A1 Journal article |
| |
Year |
2018 |
Publication |
Water science and technology |
Abbreviated Journal |
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|
| |
Volume |
78 |
Issue |
1 |
Pages |
183-194 |
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| |
Keywords |
A1 Journal article; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL) |
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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 |
000445517100020 |
Publication Date |
2018-05-09 |
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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 |
0273-1223; 1996-9732 |
ISBN |
|
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 |
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| |
Notes |
|
Approved |
no |
|
| |
Call Number |
UA @ admin @ c:irua:152908 |
Serial |
8381 |
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| Permanent link to this record |
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| |
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Author |
Perrault, G.; Dufresne, A.; Strati, G.; McNeil, M.; Michaud, D.; Baril, M.; Bégin, R.; Labbé, J.; Larivière, P.; Eeckhaoudt, S.; Van Grieken, R. |
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| |
Title |
Physico-chemical fate of chromium compounds in the lung sheep model |
Type |
A1 Journal article |
| |
Year |
1995 |
Publication |
Journal of toxicology and environmental health |
Abbreviated Journal |
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|
| |
Volume |
44 |
Issue |
|
Pages |
247-262 |
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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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Wos |
A1995QK64200008 |
Publication Date |
2009-10-21 |
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Edition |
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ISSN |
0098-4108 |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Approved |
no |
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Call Number |
UA @ admin @ c:irua:12344 |
Serial |
8382 |
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Author |
Liu, X.; Van Winckel, T.; Kjellerup, B.V.; Takacs, I.; Sturm, B.; Vlaeminck, S.E.; Al-Omari, A.; Murthy, S.; De Clippeleir, H. |
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Title |
Pinpointing bioflocculation limitations for enhanced carbon management in high-rate activated sludge |
Type |
P3 Proceeding |
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Year |
2017 |
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Abbreviated Journal |
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Volume |
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Pages |
6 p.
T2 - WEF Nutrient Symposium 2017, 12 - 14 Jun |
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Keywords |
P3 Proceeding; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL) |
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Additional Links |
UA library record |
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Open Access |
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Notes |
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Approved |
no |
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Call Number |
UA @ admin @ c:irua:151118 |
Serial |
8384 |
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Author |
Seuntjens, D.; Han, M.; Kerckhof, F.-M.; Boon, N.; Al-Omari, A.; Takacs, I.; Meerburg, F.; De Mulder, C.; Wett, B.; Bott, C.; Murthy, S.; Carvajal Arroyo, J.M.; De Clippeleir, H.; Vlaeminck, S.E. |
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Title |
Pinpointing wastewater and process parameters controlling the AOB to NOB activity ratio in sewage treatment plants |
Type |
A1 Journal article |
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Year |
2018 |
Publication |
Water research |
Abbreviated Journal |
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Volume |
138 |
Issue |
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Pages |
37-46 |
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Keywords |
A1 Journal article; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL) |
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Abstract |
Even though nitrification/denitrification is a robust technology to remove nitrogen from sewage, economic incentives drive its future replacement by shortcut nitrogen removal processes. The latter necessitates high potential activity ratios of ammonia oxidizing to nitrite oxidizing bacteria (rAOB/rNOB). The goal of this study was to identify which wastewater and process parameters can govern this in reality. Two sewage treatment plants (STP) were chosen based on their inverse rAOB/rNOB values (at 20 °C): 0.6 for Blue Plains (BP, Washington DC, US) and 1.6 for Nieuwveer (NV, Breda, NL). Disproportional and dissimilar relationships between AOB or NOB relative abundances and respective activities pointed towards differences in community and growth/activity limiting parameters. The AOB communities showed to be particularly different. Temperature had no discriminatory effect on the nitrifiers' activities, with similar Arrhenius temperature dependences (ΘAOB = 1.10, ΘNOB = 1.061.07). To uncouple the temperature effect from potential limitations like inorganic carbon, phosphorus and nitrogen, an add-on mechanistic methodology based on kinetic modelling was developed. Results suggest that BP's AOB activity was limited by the concentration of inorganic carbon (not by residual N and P), while NOB experienced less limitation from this. For NV, the sludge-specific nitrogen loading rate seemed to be the most prevalent factor limiting AOB and NOB activities. Altogether, this study shows that bottom-up mechanistic modelling can identify parameters that influence the nitrification performance. Increasing inorganic carbon in BP could invert its rAOB/rNOB value, facilitating its transition to shortcut nitrogen removal. |
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Wos |
000431747300005 |
Publication Date |
2017-11-24 |
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Series Issue |
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Edition |
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ISSN |
0043-1354; 1879-2448 |
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 |
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Notes |
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Approved |
no |
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Call Number |
UA @ admin @ c:irua:149976 |
Serial |
8385 |
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Author |
Maenhaut, W.; Selen, A.; van Espen, P.; Van Grieken, R.; Winchester, W.J. |
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Title |
Pixe analysis of aerosol samples collected over the atlantic-ocean from a sailboat |
Type |
A1 Journal article |
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Year |
1981 |
Publication |
Nuclear instruments and methods |
Abbreviated Journal |
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Volume |
181 |
Issue |
1-3 |
Pages |
399-405 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Chemometrics (Mitac 3) |
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Abstract |
Size-fractionated aerosol samples, collected over the Atlantic Ocean, were analyzed for up to 20 elements by PIXE. Using a sailboat as sampling platform, duplicate samples were taken for two-day periods by means of battery operated 6-stage cascade impactors, positioned about 8 m above the sea surface. In the PIXE analysis of the fine particle stages (stages 3 to 5) a 5 times smaller beam size was used than for stages 1 and 2. This led to significant improvement in the detection limits for the former stages. The results from the duplicate impactor samples were normally in good agreement, indicating that the combined uncertainty of sampling and PIXE analysis was of the order of 20%. The precision of the PIXE analysis alone was investigated by rebombarding some samples six months after the first analysis. The trends with time of the fine particle sulfur and the coarse particle iron concentrations are discussed in some detail. |
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Wos |
A1981LH81100073 |
Publication Date |
2002-11-11 |
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Edition |
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ISSN |
0029-554x; 1878-3759 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Notes |
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Approved |
no |
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Call Number |
UA @ admin @ c:irua:113628 |
Serial |
8386 |
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