Search Results - "Lurie, Ira"

Utility of “flip-flop” chromatography employing silica hydride stationary phases with simultaneous photodiode array ultraviolet and single quadrupole mass detection for the analysis of seized drugs by Appia-Kusi, Volda, Lurie, Ira S.

“…•Silica hydride phase allows for uncorrelated multi-modal general drug screen.•All analytes retained for two under 10 min. isocratic separations.•%RSD less…”
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The utility of silica hydride‐based stationary phases for dual‐mode ultra high performance liquid chromatography separation of synthetic cathinone positional isomers by Ploumen, Carly, Marginean, Ioan, Lurie, Ira S.

“…Emerging drugs usually mimic the effects of traditional drugs, but are not always controlled due to the chemically altered structures. Positional isomers of…”
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Gas chromatography with tandem cold electron ionization mass spectrometric detection and vacuum ultraviolet detection for the comprehensive analysis of fentanyl analogues by Buchalter, Sydney, Marginean, Ioan, Yohannan, Joshua, Lurie, Ira S.

“…•GC- cold EIMS- VUV analysis of fentanyl analogues.•Simultaneous parallel cold EI MS and vacuum UV detection.•Enhanced molecular ions by cold EI MS…”
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Recent forensic applications of enhanced chromatographic separation methods by Young, Genetta M., Lurie, Ira S.

“…This study reviews the recent applications of enhanced separation methods employed in forensic analysis utilizing gas chromatography, liquid chromatography,…”
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Regioisomeric and enantiomeric analyses of 24 designer cathinones and phenethylamines using ultra high performance liquid chromatography and capillary electrophoresis with added cyclodextrins by Li, Li, Lurie, Ira S

“…Highlights • Regioisomeric and enantiomeric cathinones were determined by chiral CE. • Ring-substituted phenethylamines and cathinones were separated by…”
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Analysis of fentanyl derivatives by ultra high performance liquid chromatography with diode array ultraviolet and single quadrupole mass spectrometric detection by Angi, Carolyn, Lurie, Ira S., Marginean, Ioan

“…Fentanyl has become pervasive as a drug of abuse and as adulterant in seized drugs. Positional isomers analyzed by gas chromatography with mass spectrometry…”
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Use of micro, capillary, and nano liquid chromatography for forensic analysis by Langford, Joel B., Lurie, Ira S.

“…The use of micro, capillary, and nano liquid chromatography systems for forensic analysis has excellent potential. In a field where sample size is often…”
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Screening of seized emerging drugs by ultra-high performance liquid chromatography with photodiode array ultraviolet and mass spectrometric detection by Li, Li, Lurie, Ira S

“…Abstract The use of psychoactive “designer drugs” has increased rapidly due to their varying and sometimes ambiguous legal status and their ready access via…”
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The separation and identification of synthetic cathinones by portable low microflow liquid chromatography with dual capillary columns in series and dual wavelength ultraviolet detection by May, Marisa C., Pavone, David C., Lurie, Ira S.

“…This study ascertained the viability of a portable liquid chromatograph, operating at low microliter per minute flow, for the analysis of seized drugs at…”
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Discrimination of synthetic cathinones by GC–MS and GC–MS/MS using cold electron ionization by Levitas, Matthew P., Andrews, Emily, Lurie, Ira, Marginean, Ioan

“…•Extensive fragmentation, no molecular ion in GC–MS analysis of synthetic cathinones.•Improved molecular ion intensity and more informative fragmentation using…”
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Resolution of isomeric new designer stimulants using gas chromatography – Vacuum ultraviolet spectroscopy and theoretical computations by Skultety, Ludovit, Frycak, Petr, Qiu, Changling, Smuts, Jonathan, Shear-Laude, Lindsey, Lemr, Karel, Mao, James X., Kroll, Peter, Schug, Kevin A., Szewczak, Angelica, Vaught, Cory, Lurie, Ira, Havlicek, Vladimir

“…Distinguishing isomeric representatives of “bath salts”, “plant food”, “spice”, or “legal high” remains a challenge for analytical chemistry. In this work, we…”
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Assessment of ultra high performance supercritical fluid chromatography as a separation technique for the analysis of seized drugs: Applicability to synthetic cannabinoids by Breitenbach, Stephanie, Rowe, Walter F., McCord, Bruce, Lurie, Ira S.

“…•UHPSFC belongs in compendium of methods for drug analysis.•UHPSFC produced superior resolution of positional isomers and diastereomers.•UHPSFC is highly…”
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Comparison of ultra high performance supercritical fluid chromatography, ultra high performance liquid chromatography, and gas chromatography for the separation of synthetic cathinones by Carnes, Stephanie, O'Brien, Stacey, Szewczak, Angelica, Tremeau‐Cayel, Lauriane, Rowe, Walter F., McCord, Bruce, Lurie, Ira S.

“…A comparison of ultra high performance supercritical fluid chromatography, ultra high performance liquid chromatography, and gas chromatography for the…”
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A comparison of single quadrupole mass detection and diode array ultraviolet detection interfaced to ultra-high performance supercritical chromatography for the quantitative analysis of synthetic cathinones by Tremeau-Cayel, Lauriane, Carnes, Stephanie, Schanfield, Moses S., Lurie, Ira S.

“…A comparison of single quadruple mass spectrometry and diode array-ultraviolet (PDA-UV) detection interfaced to ultra-high performance supercritical fluid…”
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The role of diode array ultraviolet detection for the identification of synthetic cathinones by Rowe, Walter F., Marginean, Ioan, Carnes, Stephanie, Lurie, Ira S.

“…The utility of diode array ultraviolet (UV) detection for aiding in the identification of synthetic cathinones, including different sub‐classes and positional…”
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The role of ultra high performance liquid chromatography with time of flight detection for the identification of synthetic cannabinoids in seized drugs by Marginean, Ioan, Rowe, Walter F, Lurie, Ira S

“…Highlights • The analysis of synthetic cannabinoids was compared by UHPLC and GC. • Principal component analysis showed orthogonality of reversed phase UHPLC…”
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Use of multiple-reaction monitoring ratios for identifying incompletely resolved fentanyl homologs and analogs via ultra-high-pressure liquid chromatography–tandem mass spectrometry by Lurie, Ira S., Iio, Reiko

“…Fentanyl and 16 of its corresponding homologs and analogs were distinguished using ultra-high-pressure liquid chromatography–tandem mass spectrometry…”
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Determination of heroin and basic impurities for drug profiling by ultra-high-pressure liquid chromatography by Lurie, Ira S, Driscoll, Sara E, Cathapermal, Sam S, Panicker, Sini

“…Abstract Rapid, precise, accurate, and reproducible methodology using ultra-high-pressure liquid chromatography (UHPLC) for the analysis of heroin and basic…”
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Applicability of ultra-performance liquid chromatography-tandem mass spectrometry for heroin profiling by Lurie, Ira S., Toske, Steven G.

“…The applicability of ultra- performance liquid chromatography tandem-mass spectrometry (UPLC-MS/MS) for heroin profiling is described. The coupling of the high…”
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Isolation and characterization of a newly identified impurity in methamphetamine synthesized via reductive amination of 1‐phenyl‐2‐propanone (P2P) made from phenylacetic acid/lead (II) acetate by Toske, Steven G., McConnell, Jennifer B., Brown, Jaclyn L., Tuten, Jennifer M., Miller, Erin E., Phillips, Monica Z., Vazquez, Etienne R., Lurie, Ira S., Hays, Patrick A., Guest, Elizabeth M.

“…A trace processing impurity found in certain methamphetamine exhibits was isolated and identified as trans‐N‐methyl‐4‐methyl‐5‐phenyl‐4‐penten‐2‐amine…”
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