Article ; Online: Ex vivo quantification of lanthanum and gadolinium in post-mortem human tibiae with estimated barium and iodine concentrations using K x-ray fluorescence.
2019 Volume 40, Issue 8, Page(s) 85006
Abstract: Objectives: Lanthanum (La) and gadolinium (Gd) are known to deposit in bone of exposed populations, namely those who are orally administered lanthanum carbonate (LaC, La: Approach: Two calibration lines were produced for La and Gd and the minimum ... ...
Abstract | Objectives: Lanthanum (La) and gadolinium (Gd) are known to deposit in bone of exposed populations, namely those who are orally administered lanthanum carbonate (LaC, La Approach: Two calibration lines were produced for La and Gd and the minimum detection limits (MDLs) of the system were determined using a 180° irradiation-detection geometry. Main results: The MDLs of the system were 0.4 µg La g Significance: The XRF system has determined baseline concentrations of these four heavy metals in trace quantities from natural exposure pathways (with the exception of iodine in four donors). This indicates that the system can measure low levels in ex vivo tibiae samples and can potentially be further developed for in vivo studies involving live subjects who are directly exposed to these metals. |
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MeSH term(s) | Autopsy ; Barium/analysis ; Gadolinium/analysis ; Humans ; Iodine/analysis ; Lanthanum/analysis ; Limit of Detection ; Monte Carlo Method ; Phantoms, Imaging ; Spectrometry, X-Ray Emission ; Tibia/chemistry |
Chemical Substances | Barium (24GP945V5T) ; Lanthanum (6I3K30563S) ; Iodine (9679TC07X4) ; Gadolinium (AU0V1LM3JT) |
Language | English |
Publishing date | 2019-09-03 |
Publishing country | England |
Document type | Journal Article ; Research Support, Non-U.S. Gov't |
ZDB-ID | 1149545-5 |
ISSN | 1361-6579 ; 0967-3334 |
ISSN (online) | 1361-6579 |
ISSN | 0967-3334 |
DOI | 10.1088/1361-6579/ab3c0e |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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