NDLI: Determination of isotope ratios in human tissues enriched with zinc stable isotope tracers using inductively coupled plasma-mass spectrometry (ICP-MS)

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Determination of isotope ratios in human tissues enriched with zinc stable isotope tracers using inductively coupled plasma-mass spectrometry (ICP-MS)

Content Provider	Semantic Scholar
Author	Friel, James K. Longerich, Henry P. Jackson, Simon E.
Copyright Year	2007
Abstract	Enriched fecal and urine samples were prepared using ion-exchange column chromatography for analysis by Inductively Coupled and Fast Atom Bombardment Mass spectrometry (ICP-MS, FAB-MS) to compare precision between methods. Unenriched samples of human milk, feces, and whole blood were prepared similarly to monitor instrumental precision and analytical error. A least squares fit of the ICP-MS results vs the FAB-MS for70Zn/64Zn gave a slope of 0.98, with a relative standard deviation (RSD) of only 0.7%. The results for68Zn/64Zn gave a slope of 0.82, with a RSD of 14%. For unenriched tissues, all potential interferences were removed by the preparation procedure with no significant differences between preparation for isotope ratios of70Zn/64Zn,68Zn/64Zn,67Zn/64Zn, and66Zn/64Zn. Poisson counting statistics are a major contribution to the total analytical error indicating the usefulness of this procedure for enrichment studies.
Starting Page	123
Ending Page	136
Page Count	14
File Format	PDF HTM / HTML
DOI	10.1007/BF02783788
PubMed reference number	7688526
Journal	Medline
Volume Number	37
Alternate Webpage(s)	https://page-one.springer.com/pdf/preview/10.1007/BF02783788
Alternate Webpage(s)	https://doi.org/10.1007/BF02783788
Journal	Biological Trace Element Research
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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