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List of works by Michael E. Rybak

A simplified protein precipitation and filtration procedure for determining serum vitamin B6 by high-performance liquid chromatography.

scientific article published on 14 February 2009

Associations of urinary phthalate and phenol biomarkers with menarche in a multiethnic cohort of young girls

scientific article published on 13 November 2016

Caffeine intake in children in the United States and 10-y trends: 2001-2010.

scientific article published on 27 August 2014

Clinical vitamin B6 analysis: an interlaboratory comparison of pyridoxal 5'-phosphate measurements in serum

scientific article published on 19 May 2005

Determination of Aflatoxin B1 in Smokeless Tobacco Products by Use of UHPLC-MS/MS.

scientific article published on 9 October 2015

Determination of urinary phytoestrogens by HPLC-MS/MS: a comparison of atmospheric pressure chemical ionization (APCI) and electrospray ionization (ESI).

scientific article

Determination of urine caffeine and its metabolites by use of high-performance liquid chromatography-tandem mass spectrometry: estimating dietary caffeine exposure and metabolic phenotyping in population studies.

scientific article

Development of a Standard Reference Material for metabolomics research

scientific article published on 3 December 2013

Dietary flavonol intake is associated with age of puberty in a longitudinal cohort of girls

scientific article published on 31 May 2013

Dietary supplement use and smoking are important correlates of biomarkers of water-soluble vitamin status after adjusting for sociodemographic and lifestyle variables in a representative sample of U.S. adults.

scientific article published on 10 April 2013

Higher urinary lignan concentrations in women but not men are positively associated with shorter time to pregnancy

scientific article

Human aflatoxin exposure in Kenya, 2007: a cross-sectional study

scientific article

Human aflatoxin exposure in Uganda: Estimates from a subset of the 2011 Uganda AIDS indicator survey (UAIS)

scientific article published on 20 November 2020

NTP-CERHR expert panel report on the developmental toxicity of soy infant formula.

scientific article published on 21 September 2011

Phytoestrogen biomonitoring: an extractionless LC-MS/MS method for measuring urinary isoflavones and lignans by use of atmospheric pressure photoionization (APPI).

scientific article

Sociodemographic and Lifestyle Variables Are Compound- and Class-Specific Correlates of Urine Phytoestrogen Concentrations in the U.S. Population ⬇️

scientific article published on April 17, 2013

The CDC's Second National Report on Biochemical Indicators of Diet and Nutrition in the U.S. Population is a valuable tool for researchers and policy makers.

scientific article published on 17 April 2013

Urine excretion of caffeine and select caffeine metabolites is common in the U.S. population and associated with caffeine intake

scientific article published on 4 February 2015

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