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Journal of Forensic Sciences|December 31, 2005
Proton nuclear magnetic resonance spectroscopy (NMR) methods for determining the purity of reference drug standards and illicit forensic drug seizuresPatrick A HaysAnalytical and Bioanalytical Chemistry|October 3, 2014
Uncertainty measurement for automated macro program-processed quantitative proton NMR spectraPatrick A Hays, Torsten SchoenbergerMagnetic Resonance in Chemistry : MRC|June 24, 2009
A processing method enabling the use of peak height for accurate and precise proton NMR quantitationPatrick A Hays, Robert A ThompsonElectrophoresis|June 10, 2004
Capillary electrophoresis analysis of a wide variety of seized drugs using the same capillary with dynamic coatingsIra S Lurie, Patrick A Hays, Kimberly ParkerScience & Justice : Journal of the Forensic Science Society|January 19, 2019
Characterization and differentiation of cyclopropylfentanyl from E-crotonylfentanyl, Z-crotonylfentanyl, and 3-butenylfentanylJennifer R Mallette, John F Casale, Patrick A HaysJournal of Forensic Sciences|March 6, 2009
Chlorinated opium alkaloid derivatives produced by the use of aqueous sodium hypochlorite during the clandestine manufacture of heroinJohn F Casale, Steven G Toske, Patrick A HaysJournal of Chromatography. A|May 1, 2004
Use of dynamically coated capillaries for the determination of heroin, basic impurities and adulterants with capillary electrophoresisIra S Lurie, Patrick A Hays, Agnes E Garcia, et al.Journal of Forensic Sciences|June 8, 2007
Four new illicit cocaine impurities from the oxidation of crude cocaine base: formation and characterization of the diastereomeric 2,3-dihydroxy-3-phenylpropionylecgonine methyl esters from cis- and trans-cinnamoylcocaineJohn F Casale, Patrick A Hays, Steven G Toske, et al.Drug Testing and Analysis|November 24, 2015
Characterization and origin of the 'B' and 'C' compounds in the acid/neutral forensic signatures of heroin - products from the acylation of porphyroxine and subsequent hydrolysisJohn F Casale, Ellen S Casale, Steven G Toske, et al.Journal of Chromatography. A|February 5, 2003
Use of dynamically coated capillaries with added cyclodextrins for the analysis of opium using capillary electrophoresisIra S Lurie, Sini Panicker, Patrick A Hays, et al.Pageof 2