Timothy W. Ryan

Matrix Effect-Free Analytical Methods for Determination of Perfluorinated Carboxylic Acids in Environmental Matrixes

Charles R. Powley, Stephen W. George, Timothy W. Ryan et al. · Analytical Chemistry · 2005 · 389 citations

Quantitative analysis of additives in polymers using coupled supercritical fluid extraction-supercritical fluid chromatography

Timothy W. Ryan, Steven G. Yocklovich, Jennie Watkins et al. · Journal of Chromatography A · 1990 · 45 citations

Engineering, Supercritical Fluid Chromatography, Polymer Science +10

Determination of extractable perfluorooctanoic acid (PFOA) in water, sweat simulant, saliva simulant, and methanol from textile and carpet samples by LC/MS/MS

Michael P. Mawn, Richard G. McKay, Timothy W. Ryan et al. · The Analyst · 2005 · 44 citations

Integrated Intelligent Instruments: Supercritical Fluid Extraction, Desorption, Reaction, and Chromatography

S. A. Liebman, EJ Levy, S.M. Lurcott et al. · Journal of Chromatographic Science · 1989 · 21 citations

Solvent Extraction, Engineering, Supercritical Fluid Chromatography +17

Identification and Quantification of Tricyclic Antidepressants by Uv-Photodiode Array Detection with Multicomponent Analysis

Timothy W. Ryan · Journal of Liquid Chromatography · 1993 · 20 citations

Pharmacotherapy, Chemistry, Molecular Pharmacology +24