Showing 401 - 420 results of 1,443 for search '"mass spectrometry"', query time: 0.10s Refine Results
  1. 401

    Bioactivity and metabolic profiling of crude extracts from endophytic bacteria linked to Solanum mauritianum scope: Discovery of antibacterial and anticancer properties by Abraham Goodness Ogofure, Ezekiel Green

    Published 2025-01-01
    “…The comprehensive profiling and characterization of crude secondary metabolites were conducted using Liquid Chromatography-Quadrupole Time-of-Flight Mass Spectrometry (LC-QTOF-MS/MS) and Gas Chromatography-High Resolution Time-of-Flight Mass Spectrometry (GC-HRTOF-MS). …”
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    Article
  2. 402

    SYNTHESIS AND CHARACTERIZATION OF NEW POLYMERIC COATINGS FROM ANTHOCYANIN DYE AND STUDY BIOLOGICAL ACTIVITY by Mayson Thafir Hadi, Zainab A. Jabarah, Sana H. Awad

    Published 2025-01-01
    “…FT-IR spectroscopy and mass spectrometry (MS) were used to identify the active groups of the anthocyanin pigment, which were situated the functional groups of anthocyanin in contrast to crystalline compounds, X-ray diffraction (XRD) examination also revealed the production of irregularly constituted compounds. …”
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    Article
  3. 403

    Characterization and Assessment of Flavor Compounds and Some Allergens in Three Iranian Rice Cultivars during Gelatinization Process by HS-SPME/GC-MS by M. H. Givianrad

    Published 2012-01-01
    “…A combined gas chromatography mass spectrometry with headspace solid-phase microextraction method has been utilized for the analysis of the flavor volatiles of three different rice cultivars including two modified Iranian rice cultivars and Hashemi rice cultivar during gelatinization. …”
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  4. 404
  5. 405
  6. 406

    Selection of an optimal method for screening the collection of narrow-leaved lupine held by the Vavilov Institute for the qualitative and quantitative composition of seed alkaloids by A. V. Kushnareva, Т. V. Shelengа, I. N. Perchuk, G. P. Egorova, L. L. Malyshev, Yu. A. Kerv, A. L. Shavarda, M. A. Vishnyakova

    Published 2020-12-01
    “…Qualitative and quantitative indices were compared when target compounds had been extracted with multicomponent mixtures and individual reagents (chloroform, methanol, etc.) and the extracts analyzed using gas chromatography-mass spectrometry. High-performance liquid chromatography combined with mass spectrometry was also employed. …”
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    Article
  7. 407
  8. 408

    Spectrum-effect relationship of immunologic activity of Ganoderma lucidum by UPLC-MS/MS and component knock-out method by Changqin Li, Yiping Cui, Jie Lu, Lijun Meng, Changyang Ma, Zhenhua Liu, Yan Zhang, Wenyi Kang

    Published 2021-05-01
    “…Then the target compounds were identified by high resolution mass spectrometry. The results indicated that there are both enhanced immunity and immunosuppressive components in G. lucidum. …”
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    Article
  9. 409

    Determination of Organophosphorus Esters in Fall Protection Equipment by Accelerated Solvent Extraction and Solid-Phase Extraction Coupled with LC-MS/MS Detection by Haihong Li, Mingli Ye, Fangfang Wu, Xuyang Zhao, Lifeng Wang, Yili Wei, Shengyi Xie, Hairong Cui

    Published 2021-01-01
    “…A HILIC column was used to separate the OPEs using an acetonitrile/water mixture as the mobile phase with the detection by the electrospray ionization mass spectrometry, which was operated under the positive mode. …”
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    Article
  10. 410

    Synthesis, Characterization, and Catalytic Studies of Mn(III)-Schiff Base-Dicyanamide Complexes: Checking the Rhombicity Effect in Peroxidase Studies by Manuel R. Bermejo, Rocío Carballido, M. Isabel Fernández-García, Ana M. González-Noya, Gustavo González-Riopedre, Marcelino Maneiro, Laura Rodríguez-Silva

    Published 2017-01-01
    “…The complexes 1–3 have been physicochemically characterized by elemental analysis, IR and paramagnetic 1H NMR spectroscopy, ESI mass spectrometry, magnetic moment at room temperature and conductivity measurements. …”
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    Article
  11. 411

    Simultaneous Determination of Multiple Active Components from Bushen Pills and Application in a Pharmacokinetic Study in Rats by Houli Li, Benjie Wang, Guiyan Yuan, Xiaoyan Liu, Jing Huang, Lilong Xiong, Di Zhang, Weiyi Feng, Ruichen Guo

    Published 2020-01-01
    “…Two chromatographic methods, liquid chromatography-mass spectrometry (LC-MS) and liquid chromatography-tandem mass spectrometry (LC-MS/MS), were applied to analyze the multiple active components of BSPs in dosage form for quality evaluation and in rat plasma for pharmacokinetics study, respectively. …”
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    Article
  12. 412

    Metabolite profiling in assessing ulcerative colitis activity: A systematic review by Danyang Cui, Xu Han, Jiazhu Jin, Yanhong Wang, Zijia Chen, Yang Gong, Miao Jiang

    Published 2025-03-01
    “…Qualitative analysis was performed according to the classification of gas chromatography/mass spectrometry, liquid chromatography/mass spectrometry, or nuclear magnetic resonance. …”
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    Article
  13. 413

    Diagnosis of Parasitic Diseases: Old and New Approaches by Momar Ndao

    Published 2009-01-01
    “…These include immunoassays, molecular-based approaches, and proteomics using mass spectrometry platforms technology. This review summarizes the progress in new approaches in parasite diagnosis and discusses some of the merits and disadvantages of these tests.…”
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  14. 414

    Quorum Sensing Activity of Mesorhizobium sp. F7 Isolated from Potable Water by Pei-Ling Yong, Kok-Gan Chan

    Published 2014-01-01
    “…The AHL profile of the isolate was further analyzed using high resolution triple quadrupole liquid chromatography mass spectrometry (LC/MS) which confirmed the production of multiple AHLs, namely, N-3-oxo-octanoyl-L-homoserine lactone (3-oxo-C8-HSL) and N-3-oxo-decanoyl-L-homoserine lactone (3-oxo-C10-HSL). …”
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  15. 415

    First case report of bacteremia caused by Bilophila wadsworthia in China, and literature review by Fangrong Gan, Shuang Luo, Xiaoxun Wei, Shuguang Zuo

    Published 2025-02-01
    “…Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) enabled rapid identification of the pathogen. …”
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    Article
  16. 416

    Thermal analysis study of polymer-to-ceramic conversion of organosilicon precursors by Galusek D., Lenčéš Z., Šajgalík P., Riedel Ralf

    Published 2008-01-01
    “…Decomposition of polymers and their conversion to ceramics is studied by the combination of differential thermal analysis (DTA), differential scanning calorimetry (DSC) thermogravimetry(TG), and mass spectrometry (MS). The use of these methods in study of the polymer-to-ceramic conversion is illustrated by case studies of a commercially available poly(allyl)carbosilane as the precursor of SiC, and a poly(hydridomethyl)silazane as the precursor of SiCN.…”
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  17. 417

    Direct Analysis of Pharmaceutical Drugs Using Nano-DESI MS by Carlos Cardoso-Palacios, Ingela Lanekoff

    Published 2016-01-01
    “…In this work, molecules in several pharmaceutical tablets were directly analyzed using nanospray desorption electrospray ionization mass spectrometry (nano-DESI MS). Nano-DESI is an ambient surface sampling technique which enables sampling of molecules directly from the surface of the tablets without any sample pretreatment. …”
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  18. 418

    Arsenic and Lead Uptake by Vegetable Crops Grown on Historically Contaminated Orchard Soils by M. B. McBride

    Published 2013-01-01
    “…The vegetables were acid-digested and analyzed for total Pb and As using ICP-mass spectrometry. Vegetable contamination was dependent on soil total Pb and As concentrations, pH, and vegetable species. …”
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    Article
  19. 419

    Phase diagram prediction and particle characterization of Sn-Ag nano alloy for low melting point lead-free solders by Sopousek J., Vrestal J., Zemanova A., Bursi J.

    Published 2012-01-01
    “…The chemical composition of the SnAg NPs was obtained by inductively coupled plasma - mass spectrometry. The prepared fine powder samples were characterized by electron microscopic technique (SEM) and thermal analysis (DSC). …”
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  20. 420

    Widely targeted metabolomics analysis reveals the dynamically changes in volatile metabolites during xiaoqu baijiu fermentation by Zhenbing Ma, Haibo Lan, Dong Zhao, Jingren Wei, Jia Zheng, Jian Su, Shengyuan Xiang, Zhu Luo, Rui Li, Yi Ma, Lijuan Gong

    Published 2025-01-01
    “…In this study, ultra-performance liquid chromatography–tandem mass spectrometry and gas chromatography–tandem mass spectrometry were used to analyze a widely targeted metabolome during the xiaoqu baijiu fermentation process. …”
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    Article