LEADER and its affiliates have published frequently in peer reviewed literature. Example citations, primarily related to laboratory methods, are shown below.  For a more comprehensive list of LEADER publications, click here.


Barr DB, Silva MJ, Kato K, Reidy JA, Malek NA, Hurtz D, Sadowski M, Needham LL, Calafat AM. Assessing human exposure to phthalates using monoesters and their oxidized metabolites as biomarkers. Environ Health Perspect. 2003 Jul;111(9):1148-51. PubMed PMID: 12842765; PubMed Central PMCID: PMC1241566.

Silva MJ, Malek NA, Hodge CC, Reidy JA, Kato K, Barr DB, Needham LL, Brock JW. Improved quantitative detection of 11 urinary phthalate metabolites in humans using liquid chromatography-atmospheric pressure chemical ionization tandem mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci. 2003 Jun 15;789(2):393-404. PubMed PMID: 12742130.

Bisphenol A

Joskow R, Barr DB, Barr JR, Calafat AM, Needham LL, Rubin C. Exposure to bisphenol A from bis-glycidyl dimethacrylate-based dental sealants. J Am Dent Assoc. 2006 Mar;137(3):353-62. PubMed PMID: 16570469.


Naksen W, Prapamontol T, Mangklabruks A, Chantara S, Thavornyutikarn P, Robson MG, Ryan PB, Barr DB, Panuwet P. A single method for detecting 11 organophosphate pesticides in human plasma and breastmilk using GC-FPD. J Chromatogr B Analyt Technol Biomed Life Sci. 2016 Jul 1;1025:92-104. doi:10.1016/j.jchromb.2016.04.045. PubMed PMID: 27232054; PubMed Central PMCID:PMC4930899.

Radford SA, Panuwet P, Hunter RE Jr, Barr DB, Ryan PB. Production of Insecticide Degradates in Juices: Implications for Risk Assessment. J Agric Food Chem. 2016 Jun 8;64(22):4633-8. doi: 10.1021/acs.jafc.6b01143. PubMed PMID: 27213611.

Chen X, Panuwet P, Hunter RE, Riederer AM, Bernoudy GC, Barr DB, Ryan PB. Method for the quantification of current use and persistent pesticides in cow milk, human milk and baby formula using gas chromatography tandem mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci. 2014 Nov 1;970:121-30. doi: 10.1016/j.jchromb.2014.08.018. PubMed PMID: 25261753.

Persistent Organic Pollutants

Jacobson MH, Barr DB, Marcus M, Muir AB, Lyles RH, Howards PP, Pardo L, Darrow LA. Serum polybrominated diphenyl ether concentrations and thyroid function in young children. Environ Res. 2016 Aug;149:222-30. doi:10.1016/j.envres.2016.05.022. PubMed PMID: 27228485; PubMed Central PMCID:PMC4907865.

Marder ME, Panuwet P, Hunter RE, Ryan PB, Marcus M, Barr DB. Quantification of Polybrominated and Polychlorinated Biphenyls in Human Matrices by Isotope-Dilution Gas Chromatography-Tandem Mass Spectrometry. J Anal Toxicol. 2016 Sep;40(7):511-8. doi: 10.1093/jat/bkw041. PubMed PMID: 27445313; PubMed Central PMCID: PMC4986627.