Julie A. Ray

Performance enhancement in the measurement of 5 endogenous steroids by LC–MS/MS combined with differential ion mobility spectrometry

Julie A. Ray, Mark M. Kushnir, Richard A. Yost et al. · Clinica Chimica Acta · 2014 · 84 citations

Pharmacy, Biochemistry, Pharmaceutical Analysis +16

Enhancement of specificity of aldosterone measurement in human serum and plasma using 2D-LC–MS/MS and comparison with commercial immunoassays

Julie A. Ray, Mark M. Kushnir, John W. Palmer et al. · Journal of Chromatography B · 2014 · 70 citations

Life Sciences, Biochemistry, Endocrinology +12

Rapid Analysis of 25-Hydroxyvitamin D₂and D₃by Liquid Chromatography–Tandem Mass Spectrometry and Association of Vitamin D and Parathyroid Hormone Concentrations in Healthy Adults

Mark M. Kushnir, Julie A. Ray, Alan L. Rockwood et al. · American Journal of Clinical Pathology · 2010 · 42 citations · Full text

Agriculture, Biochemistry, Endocrinology +17

Analysis of cortisol, cortisone and dexamethasone in human serum using liquid chromatography tandem mass spectrometry and assessment of cortisol: Cortisone ratios in patients with impaired kidney function

Julie A. Ray, Mark M. Kushnir, Alan L. Rockwood et al. · Clinica Chimica Acta · 2011 · 40 citations

Medicine, Endocrinology, Nephrology +17

Direct measurement of free estradiol in human serum by equilibrium dialysis–liquid chromatography–tandem mass spectrometry and reference intervals of free estradiol in women

Julie A. Ray, Mark M. Kushnir, Ashley M. Bunker et al. · Clinica Chimica Acta · 2012 · 36 citations

Medicine, Biochemistry, Endocrinology +17