High-Resolution Gas Chromatographic/High-Resolution Mass Spectrometric Analysis of Human Serum on a Whole-Weight and Lipid Basis for 2,3,7,8-Tetrachlorodibenzo-p-dioxin

Donald George Jr Patterson, Larry Hampton, Chester R. Lapeza, William T. Belser, Vaughn Green, Louis Alexander, Larry L. Needham

Research output: Contribution to journalArticle

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Abstract

We describe an analytical method to measure 2,3,7,8-tetra-chlorodlbenzo-p-dioxin (TCDD) and other TCDD Isomers In human serum; the method uses a highly specific cleanup procedure and hlgh-resolutlon gas chromatography/hlgh-res-olutlon mass spectrometry. The 2,3,7,8-TCDD Is quantified by the Isotope dilution technique with [13C12]-2,3,7,8-TCDD as the Internal standard. Other TCDD Isomers are estimated by using published relative response factors. The 1.25 part-per-quadrllllon (ppq) limit of detection for 200-g samples is more than adequate for determining 2,3,7,8-TCDD concentrations In human serum specimens. The method Is modified for analyzing 50-g and 10-g serum samples. Analytical accuracy is demonstrated by the results obtained in analyzing spiked samples. The method is shown to be unaffected by a number of potentially Interfering compounds. A series of quality control material Is used to verify system performance. For 200-g samples containing 25.8 ppq of native 2,3,7,8-TCDD, a coefficient of variation (CV) of 13.0% Is observed (n = 20). For 10-g samples from a pool fortified with 2,3,7,8-TCDD (1.9 parts per trillion, n = 22), a CV of 15.5% is observed.

Original languageEnglish (US)
Pages (from-to)2000-2005
Number of pages6
JournalAnalytical Chemistry
Volume59
Issue number15
DOIs
StatePublished - Jan 1 1987

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Gases
Lipids
Isomers
1,4-dioxin
Isotopes
Gas chromatography
Dilution
Quality control
Mass spectrometry

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry

Cite this

Patterson, Donald George Jr ; Hampton, Larry ; Lapeza, Chester R. ; Belser, William T. ; Green, Vaughn ; Alexander, Louis ; Needham, Larry L. / High-Resolution Gas Chromatographic/High-Resolution Mass Spectrometric Analysis of Human Serum on a Whole-Weight and Lipid Basis for 2,3,7,8-Tetrachlorodibenzo-p-dioxin. In: Analytical Chemistry. 1987 ; Vol. 59, No. 15. pp. 2000-2005.
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abstract = "We describe an analytical method to measure 2,3,7,8-tetra-chlorodlbenzo-p-dioxin (TCDD) and other TCDD Isomers In human serum; the method uses a highly specific cleanup procedure and hlgh-resolutlon gas chromatography/hlgh-res-olutlon mass spectrometry. The 2,3,7,8-TCDD Is quantified by the Isotope dilution technique with [13C12]-2,3,7,8-TCDD as the Internal standard. Other TCDD Isomers are estimated by using published relative response factors. The 1.25 part-per-quadrllllon (ppq) limit of detection for 200-g samples is more than adequate for determining 2,3,7,8-TCDD concentrations In human serum specimens. The method Is modified for analyzing 50-g and 10-g serum samples. Analytical accuracy is demonstrated by the results obtained in analyzing spiked samples. The method is shown to be unaffected by a number of potentially Interfering compounds. A series of quality control material Is used to verify system performance. For 200-g samples containing 25.8 ppq of native 2,3,7,8-TCDD, a coefficient of variation (CV) of 13.0{\%} Is observed (n = 20). For 10-g samples from a pool fortified with 2,3,7,8-TCDD (1.9 parts per trillion, n = 22), a CV of 15.5{\%} is observed.",
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High-Resolution Gas Chromatographic/High-Resolution Mass Spectrometric Analysis of Human Serum on a Whole-Weight and Lipid Basis for 2,3,7,8-Tetrachlorodibenzo-p-dioxin. / Patterson, Donald George Jr; Hampton, Larry; Lapeza, Chester R.; Belser, William T.; Green, Vaughn; Alexander, Louis; Needham, Larry L.

In: Analytical Chemistry, Vol. 59, No. 15, 01.01.1987, p. 2000-2005.

Research output: Contribution to journalArticle

TY - JOUR

T1 - High-Resolution Gas Chromatographic/High-Resolution Mass Spectrometric Analysis of Human Serum on a Whole-Weight and Lipid Basis for 2,3,7,8-Tetrachlorodibenzo-p-dioxin

AU - Patterson, Donald George Jr

AU - Hampton, Larry

AU - Lapeza, Chester R.

AU - Belser, William T.

AU - Green, Vaughn

AU - Alexander, Louis

AU - Needham, Larry L.

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N2 - We describe an analytical method to measure 2,3,7,8-tetra-chlorodlbenzo-p-dioxin (TCDD) and other TCDD Isomers In human serum; the method uses a highly specific cleanup procedure and hlgh-resolutlon gas chromatography/hlgh-res-olutlon mass spectrometry. The 2,3,7,8-TCDD Is quantified by the Isotope dilution technique with [13C12]-2,3,7,8-TCDD as the Internal standard. Other TCDD Isomers are estimated by using published relative response factors. The 1.25 part-per-quadrllllon (ppq) limit of detection for 200-g samples is more than adequate for determining 2,3,7,8-TCDD concentrations In human serum specimens. The method Is modified for analyzing 50-g and 10-g serum samples. Analytical accuracy is demonstrated by the results obtained in analyzing spiked samples. The method is shown to be unaffected by a number of potentially Interfering compounds. A series of quality control material Is used to verify system performance. For 200-g samples containing 25.8 ppq of native 2,3,7,8-TCDD, a coefficient of variation (CV) of 13.0% Is observed (n = 20). For 10-g samples from a pool fortified with 2,3,7,8-TCDD (1.9 parts per trillion, n = 22), a CV of 15.5% is observed.

AB - We describe an analytical method to measure 2,3,7,8-tetra-chlorodlbenzo-p-dioxin (TCDD) and other TCDD Isomers In human serum; the method uses a highly specific cleanup procedure and hlgh-resolutlon gas chromatography/hlgh-res-olutlon mass spectrometry. The 2,3,7,8-TCDD Is quantified by the Isotope dilution technique with [13C12]-2,3,7,8-TCDD as the Internal standard. Other TCDD Isomers are estimated by using published relative response factors. The 1.25 part-per-quadrllllon (ppq) limit of detection for 200-g samples is more than adequate for determining 2,3,7,8-TCDD concentrations In human serum specimens. The method Is modified for analyzing 50-g and 10-g serum samples. Analytical accuracy is demonstrated by the results obtained in analyzing spiked samples. The method is shown to be unaffected by a number of potentially Interfering compounds. A series of quality control material Is used to verify system performance. For 200-g samples containing 25.8 ppq of native 2,3,7,8-TCDD, a coefficient of variation (CV) of 13.0% Is observed (n = 20). For 10-g samples from a pool fortified with 2,3,7,8-TCDD (1.9 parts per trillion, n = 22), a CV of 15.5% is observed.

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SN - 0003-2700

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