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Simultaneous Quantification of Free Cholesterol, Cholesteryl Esters, and Triglycerides without Ester Hydrolysis by UHPLC Separation and In-Source Collision Induced Dissociation Coupled MS/MS.
Gardner MS, McWilliams LG, Jones JI, Kuklenyik Z, Pirkle JL, Barr JR. Gardner MS, et al. Among authors: barr jr. J Am Soc Mass Spectrom. 2017 Nov;28(11):2319-2329. doi: 10.1007/s13361-017-1756-2. Epub 2017 Aug 11. J Am Soc Mass Spectrom. 2017. PMID: 28801822 Free PMC article.
Measurement of p-nitrophenol in the urine of residents whose homes were contaminated with methyl parathion.
Barr DB, Turner WE, DiPietro E, McClure PC, Baker SE, Barr JR, Gehle K, Grissom RE Jr, Bravo R, Driskell WJ, Patterson DG Jr, Hill RH Jr, Needham LL, Pirkle JL, Sampson EJ. Barr DB, et al. Among authors: barr jr. Environ Health Perspect. 2002 Dec;110 Suppl 6(Suppl 6):1085-91. doi: 10.1289/ehp.02110s61085. Environ Health Perspect. 2002. PMID: 12634145 Free PMC article.
New high-resolution mass spectrometric approach for the measurement of polychlorinated biphenyls and organochlorine pesticides in human serum.
Barr JR, Maggio VL, Barr DB, Turner WE, Sjödin A, Sandau CD, Pirkle JL, Needham LL, Patterson DG Jr. Barr JR, et al. Among authors: barr db. J Chromatogr B Analyt Technol Biomed Life Sci. 2003 Aug 25;794(1):137-48. doi: 10.1016/s1570-0232(03)00451-3. J Chromatogr B Analyt Technol Biomed Life Sci. 2003. PMID: 12888206
Botulinum neurotoxin detection and differentiation by mass spectrometry.
Barr JR, Moura H, Boyer AE, Woolfitt AR, Kalb SR, Pavlopoulos A, McWilliams LG, Schmidt JG, Martinez RA, Ashley DL. Barr JR, et al. Emerg Infect Dis. 2005 Oct;11(10):1578-83. doi: 10.3201/eid1110.041279. Emerg Infect Dis. 2005. PMID: 16318699 Free PMC article.
344 results