Showing 41 - 60 results of 1,443 for search '"Mass spectrometry"', query time: 0.09s Refine Results
  1. 41

    Urine Metabolite Profiling of Human Colorectal Cancer by Capillary Electrophoresis Mass Spectrometry Based on MRB by Jin-Lian Chen, Jing Fan, Liu-Shui Yan, Hui-Qin Guo, Jing-Jing Xiong, Yan Ren, Jun-Duo Hu

    Published 2012-01-01
    “…Urine samples of colorectal cancer patients and healthy adults were collected and subjected to capillary electrophoresis mass spectrometry based on moving reaction boundary analysis. …”
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    Agreement of Immunoassay and Tandem Mass Spectrometry in the Analysis of Cortisol and Free T4: Interpretation and Implications for Clinicians by Rochelle E. Tractenberg, Jacqueline Jonklaas, Steven J. Soldin

    Published 2010-01-01
    “…To quantify differences in results obtained by immunoassays (IAs) and tandem mass spectrometry (MSMS) for cortisol and free thyroxine (FT4). …”
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  5. 45

    Determination of Urinary Creatinine in Washington State Residents via Liquid Chromatography/Tandem Mass Spectrometry by Caroline E. West, Blaine N. Rhodes

    Published 2014-01-01
    “…A viable, quick, and reliable method for determining urinary creatinine by liquid chromatography/tandem mass spectrometry (LC/MS/MS) was developed and used to evaluate spot urine samples collected for the Washington Environmental Biomonitoring Survey (WEBS): part of the Washington State Department of Health, Public Health Laboratories (PHL). 50 µL of urine was mixed with a 1 : 1 acetonitrile/water solution containing deuterated creatinine as the internal standard and then analyzed by LC/MS/MS. …”
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  6. 46

    Development of a Method for Rapid Determination of Morpholine in Juices and Drugs by Gas Chromatography-Mass Spectrometry by Mengsi Cao, Pingping Zhang, Yanru Feng, Huayin Zhang, Huaijiao Zhu, Kaoqi Lian, Weijun Kang

    Published 2018-01-01
    “…A reliable derivatization method has been developed to detect and quantify morpholine in apple juices and ibuprofen with gas chromatography-mass spectrometry. Morpholine can react with sodium nitrite under acidic condition to produce stable and volatile N-nitrosomorpholine derivative. …”
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  7. 47

    Rapid Simultaneous Determination of 43 Pesticide Residues in Schizonepeta tenuifolia by Gas Chromatography Mass Spectrometry by Guo-wei Zhou, Yong-mei Li, Chun-ni Liu, Hong-min Ren, Hai-ying Li

    Published 2021-01-01
    “…Selected pesticides were identified using DB-35MS capillary column and detected by gas chromatography mass spectrometry. Samples were quantified by external standard method. …”
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  8. 48

    Determination of Carrageenan in Livestock and Poultry Meat by Ultrahigh-Performance Liquid Chromatography-Tandem Mass Spectrometry by Yanqin Sun, Xudong Zhu, Xixi Shen, Wei Wang

    Published 2021-01-01
    “…Ultrahigh-performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) has become the main method for the detection and analysis of food additives because of its good separation, high selectivity, and high sensitivity. …”
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  9. 49

    Atomic Mineral Characteristics of Indonesian Osteoporosis by High-Resolution Inductively Coupled Plasma Mass Spectrometry by Zairin Noor, Sutiman Bambang Sumitro, Mohammad Hidayat, Agus Hadian Rahim, Akhmad Sabarudin, Tomonari Umemura

    Published 2012-01-01
    “…Thus, in this report, the difference of metallic and nonmetallic elements in osteoporosis and normal bones was studied by high-resolution inductively coupled plasma mass spectrometry (HR-ICP-MS). The influence of these elements on bone metabolic processes is also discussed. …”
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    Molecular Signatures of Humic Acids from Different Sources as Revealed by Ultrahigh Resolution Mass Spectrometry by Shuai Qin, Chengbin Xu, Yingzi Xu, Yingchen Bai, Fei Guo

    Published 2020-01-01
    “…Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR MS) has performed molecular-level analysis of two standard HAs from the Suwannee River (SRHA) and leonardite (LEHA) and HA from Jiufeng forest in Beijing (JFHA), which is impossible for other conventional instruments. …”
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    Differentiation between 3,4- and 4,15-Epoxyeudesmanolides by Electrospray Ionization Tandem Mass Spectrometry by Herbert Júnior Dias, Ricardo Stefani, José Carlos Tomaz, Ricardo Vessecchi, Antônio Eduardo Miller Crotti

    Published 2017-01-01
    “…These data can be useful for the fast differentiation between epoxyeudesmanolide regioisomers directly from Dimerostemma extracts by liquid chromatography-tandem mass spectrometry (LC-MS/MS), as an alternative to NMR, or even for quantitation studies of these compounds using multiple reaction monitoring (MRM) scan.…”
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  15. 55

    Multistage Fragmentation of Ion Trap Mass Spectrometry System and Pseudo-MS3 of Triple Quadrupole Mass Spectrometry Characterize Certain (E)-3-(Dimethylamino)-1-arylprop-2-en-1-ones: A Comparative Study by Ali S. Abdelhameed, Adnan A. Kadi, Hatem A. Abdel-Aziz, Rihab F. Angawi, Mohamed W. Attwa, Khalid A. Al-Rashood

    Published 2014-01-01
    “…A new approach was recently introduced to improve the structure elucidation power of tandem mass spectrometry simulating the MS3 of ion trap mass spectrometry system overcoming the different drawbacks of the latter. …”
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    Tandem Mass Spectrometry Detection of Quorum Sensing Activity in Multidrug Resistant Clinical Isolate Acinetobacter baumannii by Kok-Gan Chan, Huey Jia Cheng, Jian Woon Chen, Wai-Fong Yin, Yun Fong Ngeow

    Published 2014-01-01
    “…With the use of biosensor and high resolution liquid chromatography tandem mass spectrometry, the AHL production of clinical isolate A. baumannii 4KT was studied. …”
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  18. 58

    Hydrophilic Interaction Liquid Chromatography-Tandem Mass Spectrometry Analysis of Fosetyl-Aluminum in Airborne Particulate Matter by Francesca Buiarelli, Patrizia Di Filippo, Carmela Riccardi, Donatella Pomata, Riccardo Marsiglia, Carla Console, Daniele Puri

    Published 2018-01-01
    “…Herein, we present a selective liquid chromatography-tandem mass spectrometry (LC-MS/MS) method to analyze residues of fosetyl-A1 in air particulate matter. …”
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    Untargeted metabolomics profiling for the geographical authentication of traditional pempek using high-resolution orbitrap mass spectrometry by Agus Supriadi, Sherly Ridhowati, Daniel Saputra, Wulandari, Shanti Dwita Lestari

    Published 2025-03-01
    “…This study utilised untargeted metabolomics with High-Resolution Orbitrap Mass Spectrometry (HRMS) to identify metabolite markers associated with the geographical origin of Pempek. …”
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