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Results: 1 to 20 of 200

1.

Automated on-line column-switching HPLC-MS/MS method for the quantification of triclocarban and its oxidative metabolites in human urine and serum.

Zhou X, Ye X, Calafat AM.

J Chromatogr B Analyt Technol Biomed Life Sci. 2012 Jan 15;881-882:27-33. doi: 10.1016/j.jchromb.2011.11.024. Epub 2011 Nov 26.

PMID:
22192874
[PubMed - indexed for MEDLINE]
2.

Automated on-line column-switching HPLC-MS/MS method with peak focusing for the determination of nine environmental phenols in urine.

Ye X, Kuklenyik Z, Needham LL, Calafat AM.

Anal Chem. 2005 Aug 15;77(16):5407-13.

PMID:
16097788
[PubMed - indexed for MEDLINE]
3.

Biomarkers of exposure to triclocarban in urine and serum.

Ye X, Zhou X, Furr J, Ahn KC, Hammock BD, Gray EL, Calafat AM.

Toxicology. 2011 Aug 15;286(1-3):69-74. doi: 10.1016/j.tox.2011.05.008. Epub 2011 May 23.

PMID:
21635932
[PubMed - indexed for MEDLINE]
Free PMC Article
4.

Automated on-line column-switching HPLC-MS/MS method for measuring environmental phenols and parabens in serum.

Ye X, Tao LJ, Needham LL, Calafat AM.

Talanta. 2008 Aug 15;76(4):865-71. doi: 10.1016/j.talanta.2008.04.034. Epub 2008 Apr 24.

PMID:
18656671
[PubMed - indexed for MEDLINE]
5.

Automated on-line column-switching high performance liquid chromatography isotope dilution tandem mass spectrometry method for the quantification of bisphenol A, bisphenol F, bisphenol S, and 11 other phenols in urine.

Zhou X, Kramer JP, Calafat AM, Ye X.

J Chromatogr B Analyt Technol Biomed Life Sci. 2014 Jan 1;944:152-6. doi: 10.1016/j.jchromb.2013.11.009. Epub 2013 Nov 13.

PMID:
24316527
[PubMed - indexed for MEDLINE]
6.

On-line solid phase extraction-high performance liquid chromatography-isotope dilution-tandem mass spectrometry approach to quantify N,N-diethyl-m-toluamide and oxidative metabolites in urine.

Kuklenyik P, Baker SE, Bishop AM, Morales-A P, Calafat AM.

Anal Chim Acta. 2013 Jul 17;787:267-73. doi: 10.1016/j.aca.2013.05.055. Epub 2013 Jun 6.

PMID:
23830449
[PubMed - indexed for MEDLINE]
7.
9.

Characterization and evaluation of two-dimensional microfluidic chip-HPLC coupled to tandem mass spectrometry for quantitative analysis of 7-aminoflunitrazepam in human urine.

Bai HY, Lin SL, Chan SA, Fuh MR.

Analyst. 2010 Oct;135(10):2737-42. doi: 10.1039/c0an00355g. Epub 2010 Sep 2.

PMID:
20820494
[PubMed - indexed for MEDLINE]
10.

A multi-class bioanalytical methodology for the determination of bisphenol A diglycidyl ethers, p-hydroxybenzoic acid esters, benzophenone-type ultraviolet filters, triclosan, and triclocarban in human urine by liquid chromatography-tandem mass spectrometry.

Asimakopoulos AG, Wang L, Thomaidis NS, Kannan K.

J Chromatogr A. 2014 Jan 10;1324:141-8. doi: 10.1016/j.chroma.2013.11.031. Epub 2013 Nov 21.

PMID:
24315674
[PubMed - indexed for MEDLINE]
11.

Development and optimization of simplified LC-MS/MS quantification of 25-hydroxyvitamin D using protein precipitation combined with on-line solid phase extraction (SPE).

Thibeault D, Caron N, Djiana R, Kremer R, Blank D.

J Chromatogr B Analyt Technol Biomed Life Sci. 2012 Feb 1;883-884:120-7. doi: 10.1016/j.jchromb.2011.12.021. Epub 2011 Dec 27.

PMID:
22265352
[PubMed - indexed for MEDLINE]
12.

Quantification of the urinary concentrations of parabens in humans by on-line solid phase extraction-high performance liquid chromatography-isotope dilution tandem mass spectrometry.

Ye X, Kuklenyik Z, Bishop AM, Needham LL, Calafat AM.

J Chromatogr B Analyt Technol Biomed Life Sci. 2006 Nov 21;844(1):53-9. Epub 2006 Aug 7.

PMID:
16893688
[PubMed - indexed for MEDLINE]
13.

Quantification of atrazine and its metabolites in urine by on-line solid-phase extraction-high-performance liquid chromatography-tandem mass spectrometry.

Panuwet P, Nguyen JV, Kuklenyik P, Udunka SO, Needham LL, Barr DB.

Anal Bioanal Chem. 2008 Jul;391(5):1931-9. doi: 10.1007/s00216-008-2102-0. Epub 2008 May 3.

PMID:
18454284
[PubMed - indexed for MEDLINE]
14.

High-throughput sample preparation for the quantitation of acephate, methamidophos, omethoate, dimethoate, ethylenethiourea, and propylenethiourea in human urine using 96-well-plate automated extraction and high-performance liquid chromatography-tandem mass spectrometry.

Jayatilaka NK, Angela Montesano M, Whitehead RD Jr, Schloth SJ, Needham LL, Barr DB.

Arch Environ Contam Toxicol. 2011 Jul;61(1):59-67. doi: 10.1007/s00244-010-9593-3. Epub 2010 Sep 28.

PMID:
20878153
[PubMed - indexed for MEDLINE]
15.

Rapid and simple one-step membrane extraction for the determination of 8-hydroxy-2'-deoxyguanosine in human plasma by a combination of on-line solid phase extraction and LC-MS/MS.

Wang CJ, Yang NH, Chang CC, Liou SH, Lee HL.

J Chromatogr B Analyt Technol Biomed Life Sci. 2011 Nov 15;879(30):3538-43. doi: 10.1016/j.jchromb.2011.09.038. Epub 2011 Sep 28.

PMID:
21982910
[PubMed - indexed for MEDLINE]
16.

Solid-phase extraction liquid chromatography-tandem mass spectrometry analytical method for the determination of 2-hydroxy-4-methoxybenzophenone and its metabolites in both human urine and semen.

León Z, Chisvert A, Tarazona I, Salvador A.

Anal Bioanal Chem. 2010 Sep;398(2):831-43. doi: 10.1007/s00216-010-3947-6. Epub 2010 Jul 13.

PMID:
20625888
[PubMed - indexed for MEDLINE]
17.

Two-dimensional high performance liquid chromatography separation and tandem mass spectrometry detection of atrazine and its metabolic and hydrolysis products in urine.

Kuklenyik Z, Panuwet P, Jayatilaka NK, Pirkle JL, Calafat AM.

J Chromatogr B Analyt Technol Biomed Life Sci. 2012 Jul 15;901:1-8. doi: 10.1016/j.jchromb.2012.05.028. Epub 2012 Jun 2.

PMID:
22721710
[PubMed - indexed for MEDLINE]
18.

Automated on-line column-switching HPLC-MS/MS method with peak focusing for measuring parabens, triclosan, and other environmental phenols in human milk.

Ye X, Bishop AM, Needham LL, Calafat AM.

Anal Chim Acta. 2008 Aug 1;622(1-2):150-6. doi: 10.1016/j.aca.2008.05.068. Epub 2008 Jun 3.

PMID:
18602546
[PubMed - indexed for MEDLINE]
19.

High-pressure liquid chromatographic studies of TCC and metabolites in experimental animals and man.

Taulli TA, Hill JT, Pounds GW.

J Chromatogr Sci. 1977 Mar-Apr;15(3-4):111-8.

PMID:
845240
[PubMed - indexed for MEDLINE]
Free Article
20.

Ultrasensitive quantification of serum vitamin D metabolites using selective solid-phase extraction coupled to microflow liquid chromatography and isotope-dilution mass spectrometry.

Duan X, Weinstock-Guttman B, Wang H, Bang E, Li J, Ramanathan M, Qu J.

Anal Chem. 2010 Mar 15;82(6):2488-97. doi: 10.1021/ac902869y.

PMID:
20151683
[PubMed - indexed for MEDLINE]

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