Showing 101 - 120 results of 1,443 for search '"Mass spectrometry"', query time: 0.11s Refine Results
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    Characterization of Dissolved Organic Matter in River Water by Conventional Methods and Direct Sample Analysis-Time of Flight-Mass Spectrometry by T. Garrido Reyes, J. Mendoza Crisosto

    Published 2016-01-01
    “…The technique of direct sample analysis-time of flight-mass spectrometry (DSA-TOF-MS) was used to obtain more information on the composition of dissolved organic matter. …”
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    Article
  4. 104

    Identification of the Related Substances in Ampicillin Capsule by Rapid Resolution Liquid Chromatography Coupled with Electrospray Ionization Tandem Mass Spectrometry by Lei Zhang, Xian Long Cheng, Yang Liu, Miao Liang, Honghuan Dong, Beiran Lv, Wenning Yang, Zhiqiang Luo, Mingmin Tang

    Published 2014-01-01
    “…Rapid Resolution Liquid Chromatography coupled with Electrospray Ionization Tandem Mass Spectrometry (RRLC-ESI-MSn) was used to separate and identify related substances in ampicillin capsule. …”
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  5. 105

    Comparison of Electrospray Ionization and Atmospheric Chemical Ionization Coupled with the Liquid Chromatography-Tandem Mass Spectrometry for the Analysis of Cholesteryl Esters by Hae-Rim Lee, Sunil Kochhar, Soon-Mi Shim

    Published 2015-01-01
    “…The approach of two different ionization techniques including electrospray ionization (ESI) and atmospheric pressure chemical ionization (APCI) coupled with liquid chromatography-tandem mass spectrometry (LC-MS/MS) was tested for the analysis of cholesteryl esters (CEs). …”
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  6. 106

    A Urine Metabonomics Study of Rat Bladder Cancer by Combining Gas Chromatography-Mass Spectrometry with Random Forest Algorithm by Mengchan Fang, Fan Liu, Lingling Huang, Liqing Wu, Lan Guo, Yiqun Wan

    Published 2020-01-01
    “…A urine metabolomics study based on gas chromatography-mass spectrometry (GC-MS) and multivariate statistical analysis was applied to distinguish rat bladder cancer. …”
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    A Joint Technology Combining the Advantages of Capillary Microsampling with Mass Spectrometry Applied to the Trans-Resveratrol Pharmacokinetic Study in Mice by Ying Xu, Song-xia Zhang, Jing Guo, Li-jie Chen, Yu-ligh Liou, Tai Rao, Jing-bo Peng, Ying Guo, Wei-hua Huang, Zhi-rong Tan, Dong-sheng Ou-yang, Hong-hao Zhou, Wei Zhang, Yao Chen

    Published 2022-01-01
    “…Based on the idea of a joint technology, the capillary microsampling (CMS) was chosen for blood sample collection from mice after delivery of trans-resveratrol (150 mg/kg) by gavage, and a high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) method was developed for the determination of trans-resveratrol and its main metabolites. …”
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    Development of an analytical method involving thiol methylation for the analysis of pentachlorothiophenol in food using gas chromatography-tandem mass spectrometry by Junhyeong Park, Adebayo J. Akinboye, Joon-Goo Lee

    Published 2025-01-01
    “…Herein, a method involving gas chromatography-tandem mass spectrometry and optimized methylation conditions is proposed for quantifying PCTP concentrations in food. …”
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  12. 112

    Rapid Analysis of Seven Polyamines in Nephotettix cincticeps by Using Ultra-Performance Liquid Chromatography-Triple Quadrupole Mass Spectrometry by Mingwen Zhang, Yunqiang Zhao, Zongwen Wang, Jintian Cheng

    Published 2024-01-01
    “…A fast, simple, and sensitive method for the simultaneous determination of seven polyamines in Nephotettix cincticeps was developed based on ultra-performance liquid chromatography-triple quadrupole mass spectrometry (UPLC-3Q-MS) together with liquid phase extraction. …”
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  13. 113

    Simultaneous Determination of Lamotrigine, Oxcarbazepine, Lacosamide, and Topiramate in Rat Plasma by Ultra-Performance Liquid Chromatography-Tandem Mass Spectrometry by Erjie Qiu, Lu Yu, Qishun Liang, Congcong Wen

    Published 2022-01-01
    “…This study established an ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) method to study the pharmacokinetics of four antiepileptic drugs, lamotrigine, oxcarbazepine, lacosamide, and topiramate, in rats after oral administration. …”
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  14. 114

    Application of Liquid Chromatography-Tandem Mass Spectrometry for the Detection of Paralytic Shellfish Poison in Bivalve Shellfish and Its Influencing Factors by DENG Yuxiang, WU Haiyan, XU Xizhen, ZHAO Huihui, TAN Zhijun, ZHENG Guanchao

    Published 2025-01-01
    Subjects: “…paralytic shellfish poison; bivalve shellfish; liquid chromatography-tandem mass spectrometry; influencing factors…”
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    Simultaneous Determination of Amphenicols and Metabolites in Animal-Derived Foods Using Ultrahigh-Performance Liquid Chromatography-Tandem Mass Spectrometry by Xinyi Wu, Xixi Shen, Xiangyue Cao, Rongrong Nie, Haonan Zhang, Changbo Tang, Wei Wang

    Published 2021-01-01
    “…We hypothesized that one can combine solid-phase extraction (SPE) with ultrahigh-performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) to simultaneously determine amphenicols and metabolites in pork, beef, lamb, chicken, and their products and meet government regulations for maximum residue limits. …”
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  17. 117

    Evaluation of Selected Essential Elements in Khalas Dates from Date Palm Determined by Inductively Coupled Plasma-Mass Spectrometry by Eid I. Brima

    Published 2019-01-01
    “…The concentrations of Mn, Cu, Zn, and Se were determined using inductively coupled plasma-mass spectrometry (ICP-MS). The average concentrations in wet weight were as follows (mg/kg): Mn (2.90 ± 0.54), Cu (1.78 ± 0.64), Zn (1.72 ± 0.42), and Se (0.10 ± 0.06). …”
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    Identification and Quality Evaluation of Raw and Processed Asarum Species Using Microscopy, DNA Barcoding, and Gas Chromatography-Mass Spectrometry by Guangzhe Yao, Wenjuan Ma, Xuhua Huang, Qi Jia, Jiayuan Shen, Yanxu Chang, Huizi Ouyang, Jun He

    Published 2020-01-01
    “…A gas chromatography-mass spectrometry (GC-MS) method for simultaneous determination of 10 compounds was established to evaluate the contents of raw and processed Asarum herbs. …”
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    Article