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Results: 1 to 20 of 105

1.

Accounting for an isobaric interference allows correct determination of folate vitamers in serum by isotope dilution-liquid chromatography-tandem MS.

Fazili Z, Pfeiffer CM.

J Nutr. 2013 Jan;143(1):108-13. doi: 10.3945/jn.112.166769. Epub 2012 Nov 21.

PMID:
23173171
[PubMed - indexed for MEDLINE]
Free Article
2.

A high-throughput LC-MS/MS method suitable for population biomonitoring measures five serum folate vitamers and one oxidation product.

Fazili Z, Whitehead RD Jr, Paladugula N, Pfeiffer CM.

Anal Bioanal Chem. 2013 May;405(13):4549-60. doi: 10.1007/s00216-013-6854-9. Epub 2013 Mar 6.

PMID:
23462981
[PubMed - indexed for MEDLINE]
3.

Quantitation of whole-blood total folate within defined MTHFR C677T genotype groups by isotope dilution-liquid chromatography-tandem mass spectrometry differs from microbiologic assay.

Stamm RA, Harper MJ, Houghton LA.

J Nutr. 2012 Dec;142(12):2154-60. doi: 10.3945/jn.112.165035. Epub 2012 Oct 24.

PMID:
23096011
[PubMed - indexed for MEDLINE]
Free Article
4.

Quantification of key folate forms in serum using stable-isotope dilution ultra performance liquid chromatography-tandem mass spectrometry.

Kirsch SH, Knapp JP, Herrmann W, Obeid R.

J Chromatogr B Analyt Technol Biomed Life Sci. 2010 Jan 1;878(1):68-75. doi: 10.1016/j.jchromb.2009.11.021. Epub .

PMID:
19959403
[PubMed - indexed for MEDLINE]
5.

Determination of folate vitamers in human serum by stable-isotope-dilution tandem mass spectrometry and comparison with radioassay and microbiologic assay.

Pfeiffer CM, Fazili Z, McCoy L, Zhang M, Gunter EW.

Clin Chem. 2004 Feb;50(2):423-32. Epub 2003 Dec 11.

PMID:
14670827
[PubMed - indexed for MEDLINE]
Free Article
6.

Quantitative determination of erythrocyte folate vitamer distribution by liquid chromatography-tandem mass spectrometry.

Smith DE, Kok RM, Teerlink T, Jakobs C, Smulders YM.

Clin Chem Lab Med. 2006;44(4):450-9.

PMID:
16599840
[PubMed - indexed for MEDLINE]
7.

Simple method for the quantitative analysis of endogenous folate catabolites p-aminobenzoylglutamate (pABG) and its acetamido (apABG) derivative in human serum and urine by liquid chromatography-tandem mass spectrometry.

Sokoro AA, Etter ML, Lepage J, Weist B, Eichhorst J, Lehotay DC.

J Chromatogr B Analyt Technol Biomed Life Sci. 2006 Feb 17;832(1):9-16. Epub 2006 Jan 19.

PMID:
16427369
[PubMed - indexed for MEDLINE]
8.

Assay of whole blood (6S)-5-CH3-H4folate using ultra performance liquid chromatography tandem mass spectrometry.

Kirsch SH, Herrmann W, Geisel J, Obeid R.

Anal Bioanal Chem. 2012 Aug;404(3):895-902. doi: 10.1007/s00216-012-6180-7. Epub 2012 Jun 23.

PMID:
22729356
[PubMed - indexed for MEDLINE]
9.

5-Methyltetrahydrofolic acid and folic acid measured in plasma with liquid chromatography tandem mass spectrometry: applications to folate absorption and metabolism.

Kok RM, Smith DE, Dainty JR, Van Den Akker JT, Finglas PM, Smulders YM, Jakobs C, De Meer K.

Anal Biochem. 2004 Mar 15;326(2):129-38.

PMID:
15003553
[PubMed - indexed for MEDLINE]
10.

Water-soluble vitamins.

Konings EJ; Committee on Food Nutrition.

J AOAC Int. 2006 Jan-Feb;89(1):285-8.

PMID:
16512258
[PubMed - indexed for MEDLINE]
11.

Analytical recovery of folate and its degradation products in human serum stored at -25 degrees C for up to 29 years.

Hannisdal R, Gislefoss RE, Grimsrud TK, Hustad S, Mørkrid L, Ueland PM.

J Nutr. 2010 Mar;140(3):522-6. doi: 10.3945/jn.109.116418. Epub 2010 Jan 13.

PMID:
20071651
[PubMed - indexed for MEDLINE]
Free Article
12.

[6S]-5-Methyltetrahydrofolate is at least as effective as folic acid in preventing a decline in blood folate concentrations during lactation.

Houghton LA, Sherwood KL, Pawlosky R, Ito S, O'Connor DL.

Am J Clin Nutr. 2006 Apr;83(4):842-50.

PMID:
16600937
[PubMed - indexed for MEDLINE]
Free Article
13.

Liquid chromatography-tandem mass spectrometry analysis of folate and folate catabolites in human serum.

Hannisdal R, Ueland PM, Svardal A.

Clin Chem. 2009 Jun;55(6):1147-54. doi: 10.1373/clinchem.2008.114389. Epub 2009 Apr 9.

PMID:
19359539
[PubMed - indexed for MEDLINE]
Free Article
14.

Rapid determination of serum testosterone by liquid chromatography-isotope dilution tandem mass spectrometry and a split sample comparison with three automated immunoassays.

Chen Y, Yazdanpanah M, Hoffman BR, Diamandis EP, Wong PY.

Clin Biochem. 2009 Apr;42(6):484-90. doi: 10.1016/j.clinbiochem.2008.11.009. Epub 2008 Dec 3.

PMID:
19109939
[PubMed - indexed for MEDLINE]
15.

Determination of folates in human plasma using hydrophilic interaction chromatography-tandem mass spectrometry.

Garbis SD, Melse-Boonstra A, West CE, van Breemen RB.

Anal Chem. 2001 Nov 15;73(22):5358-64.

PMID:
11816560
[PubMed - indexed for MEDLINE]
16.

State-of-the-art of serum testosterone measurement by isotope dilution-liquid chromatography-tandem mass spectrometry.

Thienpont LM, Van Uytfanghe K, Blincko S, Ramsay CS, Xie H, Doss RC, Keevil BG, Owen LJ, Rockwood AL, Kushnir MM, Chun KY, Chandler DW, Field HP, Sluss PM.

Clin Chem. 2008 Aug;54(8):1290-7. doi: 10.1373/clinchem.2008.105841. Epub 2008 Jun 12.

PMID:
18556330
[PubMed - indexed for MEDLINE]
Free Article
17.

Specific and sensitive quantification of folate vitamers in foods by stable isotope dilution assays using high-performance liquid chromatography-tandem mass spectrometry.

Freisleben A, Schieberle P, Rychlik M.

Anal Bioanal Chem. 2003 May;376(2):149-56. Epub 2003 Apr 16.

PMID:
12698226
[PubMed - indexed for MEDLINE]
18.

Isotope dilution ultra performance liquid chromatography-tandem mass spectrometry method for simultaneous measurement of 25-hydroxyvitamin D2, 25-hydroxyvitamin D3 and 3-epi-25-hydroxyvitamin D3 in human serum.

Schleicher RL, Encisco SE, Chaudhary-Webb M, Paliakov E, McCoy LF, Pfeiffer CM.

Clin Chim Acta. 2011 Aug 17;412(17-18):1594-9. doi: 10.1016/j.cca.2011.05.010. Epub 2011 May 13.

PMID:
21601563
[PubMed - indexed for MEDLINE]
20.

Isotope dilution-gas chromatography/mass spectrometry and liquid chromatography/electrospray ionization-tandem mass spectrometry for the determination of triiodo-L-thyronine in serum.

Thienpont LM, Fierens C, De Leenheer AP, Przywara L.

Rapid Commun Mass Spectrom. 1999;13(19):1924-31.

PMID:
10487939
[PubMed - indexed for MEDLINE]

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