Showing 241 - 260 results of 1,792 for search '"chromatography"', query time: 0.07s Refine Results
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    Methyl Esterification Combined with Gas Chromatography-Mass Spectrometry (GC-MS) for Determining the Contents of Lubricant to Evaluate the Compatibility of Chlorinated Butyl Rubber Stoppers with Liposome Injections by Xun Gao, Kexin Chen, Miaomiao Chi, Kunming Qin

    Published 2020-01-01
    “…A simple, sensitive, and exact methyl esterification in combination with gas chromatography-mass spectrometry (GC-MS) method was developed to determine the contents of palmitic acid and stearic acid in the chlorinated butyl rubber stoppers and liposome injections in order to evaluate the compatibility of pharmaceutical packaging materials. …”
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  11. 251

    Determination of 13 Aminoglycoside Residues in Milk by Weak Cation Exchange Solid Phase Extraction Coupled with Ultra-high Performance Liquid Chromatography-Tandem Mass Spectrometry by HE Jinlin, SHEN Luying, SUN Ting, FU Jianwei, YAN Lijuan, XU Dunming

    Published 2025-02-01
    Subjects: “…aminoglycosides; ultra-high performance liquid chromatography-tandem mass spectrometry; milk; weak cation exchange solid phase extraction; residues…”
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  12. 252

    Development of a Novel, Sensitive, Selective, and Fast Methodology to Determine Malondialdehyde in Leaves of Melon Plants by Ultra-High-Performance Liquid Chromatography-Tandem Mass Spectrometry by Melisa E. Yonny, Ariel Rodríguez Torressi, Mónica A. Nazareno, Soledad Cerutti

    Published 2017-01-01
    “…Thus a reliable, sensitive, simple, selective, and rapid separative strategy based on ultra-high-performance liquid chromatography coupled to positive electrospray-tandem mass spectrometry (UPLC-(+)ESI-MS/MS) was developed for the first time to measure MDA, without derivatization, in leaves of melon plants exposed to stress conditions. …”
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  13. 253

    Rapid Separation of All Four Tocopherol Homologues in Selected Fruit Seeds via Supercritical Fluid Chromatography Using a Solid-Core C18 Column by Elise Urvaka, Inga Mišina, Arianne Soliven, Paweł Górnaś

    Published 2019-01-01
    “…Tocopherol separations employing the same Kinetex™ C18 column via supercritical fluid chromatography (SFC) and reversed-phase liquid chromatography (RP-LC) were compared. …”
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  14. 254

    Simultaneous Determination of Nine Neonicotinoid Insecticides and Five Metabolites in Meat by QuEChERS Coupled with Ultra-high Performance Liquid Chromatography-Tandem Mass Spectrometry by LIN Binbin, YANG Zhijin, HUANG Xuliang, LIN Xiaolian

    Published 2024-12-01
    Subjects: “…neonicotinoid insecticides; metabolites; meat; quick, easy, cheap, effective, rugged, safe; ultra-high performance liquid chromatography-tandem mass spectrometry…”
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    Diagnosis of Gestational Diabetes Mellitus with Point-of-Care Methods for Glucose versus Hospital Laboratory Method Using Isotope Dilution Gas Chromatography-Mass Spectrometry as Reference by Karl Kristensen, Anne-Marie Wangel, Anastasia Katsarou, Nael Shaat, David Simmons, Helena Fadl, Kerstin Berntorp

    Published 2020-01-01
    “…The aim of this study was to compare the diagnostic performance of the HemoCue Glucose 201+ (HC201+) and RT (HC201RT) systems with that of the hospital central laboratory hexokinase method (CL) based on lyophilized citrate tubes, using the isotope dilution gas chromatography-mass spectrometry (ID GC-MS) as reference. …”
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    Authenticity Assessment of (E)-Cinnamic Acid, Vanillin, and Benzoic Acid from Sumatra Benzoin Balsam by Gas Chromatography Combustion/Pyrolysis Isotope Ratio Mass Spectrometry by Deshou Mao, Liu Hong, Lei Fu, Zhiyu Li, Jianhua Chen, Chengming Zhang, Yiqin Wu, Wen Xiong, Jin Wang

    Published 2022-01-01
    “…Authenticity assessment of (E)-cinnamic acid, vanillin, and benzoic acid from various origins (n = 26) was performed using gas chromatography-isotope ratio mass spectrometry coupled with combustion and pyrolysis mode (GC-C/P-IRMS). …”
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  19. 259

    A Validated Volumetric Absorptive Microsampling-Liquid Chromatography Tandem Mass Spectrometry Method to Quantify Doxycycline Levels in Urine: An Application to Monitor the Malaria Chemoprophylaxis Compliance by Mylène Penot, Cyril Linard, Nicolas Taudon

    Published 2020-01-01
    “…Analysis of VAMS® was performed with a high-performance liquid chromatography coupled to a mass spectrometer. The chromatographic separation was achieved on a core-shell C18 column. …”
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  20. 260

    Evaluation of Malathion and Malaoxon Contamination in Buffalo and Cow Milk from Afyonkarahisar Region, Turkey, Using Liquid Chromatography/Tandem Mass Spectrometry – a Short Report by Kara Recep, Ince Sinan

    Published 2016-03-01
    “…Malathion and malaoxon levels were determined by means of liquid chromatography/tandem mass spectrometry. In the study, neither malathion nor malaoxan was detected in buffalo and cow milk samples. …”
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