Showing 421 - 440 results of 1,443 for search '"mass spectrometry"', query time: 0.07s Refine Results
  1. 421
  2. 422

    Development of Tandem Ion Mobility Spectrometry with High-voltage Fragmentation Unit at Atmospheric Pressure for Explosives Detection by Kang-yi LIU, Tian-xin XIAN, Ling-feng LI, Yun-jing ZHANG, Xing-li HE, Peng LI

    Published 2025-01-01
    “…To address this issue, referencing collision-induced dissociation (CID) in mass spectrometry, explosives can be similarly dissociated under atmospheric pressure through radio frequency strong electric fields. …”
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    Article
  3. 423

    Reactivity in cell culture medium and in vitro anticancer activity of 3,5-di-tert-butylcatechol: link to metal-catechol interactions by Aviva Levina, Debbie C. Crans, Peter A. Lay

    Published 2025-02-01
    “…These results were explained by speciation studies (UV/Vis spectroscopy and mass spectrometry) of dtbH2 and dtbQ in cell culture medium, aqueous buffers, or organic solvents in the presence or absence of GSH. …”
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  4. 424

    Danggui-Shaoyao-San Can Ameliorate Alzheimer’s Disease by Inhibiting Hippocampal Neuron Apoptosis: Findings from Serum Pharmacology by Zhang KX, Zhang JW, Jiang YH, Wang YR, Liu ZL, Ding PL, Wang XY, Cui WQ, Xu XQ, Wang YH

    Published 2025-02-01
    “…Kai-Xin Zhang,1 Ji-Wei Zhang,2 Yan-Hong Jiang,1 Yi-Ran Wang,1 Zhen-Ling Liu,1 Peng-Li Ding,1 Xiang-Ying Wang,1 Wen-Qiang Cui,3 Xiang-Qing Xu,3,* Ya-Han Wang3,* 1First College of Clinical Medicine, Shandong University of Traditional Chinese Medicine, Jinan, 250000, People’s Republic of China; 2College of Acupuncture and Massage, Shandong University of Traditional Chinese Medicine, Jinan, 250000, People’s Republic of China; 3Department of Neurology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, 250000, People’s Republic of China*These authors contributed equally to this workCorrespondence: Xiang-Qing Xu, Ya-Han Wang; Department of Neurology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, 250000, People’s Republic of China, Email happyxiangqing@163.com; sdwangyahan@sina.comBackground: Danggui-Shaoyao-San (DSS) is a traditional Chinese medicine prescription with a history of nearly 2000 years, originally widely used for gynecological diseases, and in recent years research has found that DSS also has a good therapeutic effect on Alzheimer’s disease (AD).Purpose: The objective is to investigate the metabolic components of the DSS in the blood and the potential mechanisms for AD.Materials and Methods: Liquid chromatography‒mass spectrometry (LC-MS) combined with gas chromatography‒mass spectrometry (GC-MS) based non-targeted metabolomics were used to conduct in-depth research. …”
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  5. 425

    One-Step Solid Extraction for Simultaneous Determination of Eleven Commonly Used Anticancer Drugs and One Active Metabolite in Human Plasma by HPLC-MS/MS by Shouhong Gao, Zhengbo Tao, Jingya Zhou, Zhipeng Wang, Yunlei Yun, Mingming Li, Feng Zhang, Wansheng Chen, Yejun Miao

    Published 2018-01-01
    “…The Agilent G6410A triple quadrupole liquid chromatography-mass spectrometry system was operated under the multiple reaction monitoring mode with an electrospray ionization in the positive mode. …”
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  6. 426
  7. 427

    Pantoea eucrina: Catheter‐Related Bloodstream Infection in a Woman With Short Bowel Syndrome by Ida Saksenborg Kølle, Lars Vinter‐Jensen, Morten Eneberg Nielsen, Hans Linde Nielsen

    Published 2025-01-01
    “…Despite presenting with only minor clinical symptoms, blood cultures from both central and peripheral sites confirmed the presence of P. eucrina, identified by matrix‐assisted laser desorption/ionization time‐of‐flight mass spectrometry (MALDI‐TOF MS) and whole‐genome sequencing. …”
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    Article
  8. 428

    Unraveling the redox code to improve physiological research in human health and disease by Josh Thorley

    Published 2024-11-01
    “…New techniques, such as advanced mass spectrometry and high‐throughput immunoassays, offer improved accuracy in measuring redox states and oxidative damage. …”
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  9. 429

    Photoexcitation in thin films deposited on silicon substrates by reactive pulsed laser ablation by A. Giardini Guidoni, V. Marotta, S. Orlando, G. P. Parisi

    Published 2001-01-01
    “…The reactivity of the plume has been already studied by our group in other oxides and nitrides productions and ascertained by Time of Flight Mass Spectrometry measurements [1].…”
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  10. 430

    Determination of ramipril in human plasma and its fragmentation by UPLC-Q-TOF-MS with positive electrospray ionization by Szpot Paweł, Buszewicz Grzegorz

    Published 2015-06-01
    “…This report presents the application of ultra-performance liquid chromatography coupled to quadrupole time-of-flight mass spectrometry with positive electrospray ionization, to determine ramipril in human plasma. …”
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  11. 431

    FATTY ACID COMPOSITION AND ANTIOXIDANT ACTIVITY OF CAMELLIA NINHII SEED OIL COLLECTED IN LAM DONG PROVINCE by Thi Tu Quyen Tran, Thi Diep Trinh, Thi To Uyen Nguyen, Van Son Le

    Published 2022-03-01
    “…The seed oil of Camellia ninhii was studied for the first time on its fatty acid composition by gas chromatography-mass spectrometry (GC-MS) and antioxidant activity by the DPPH method. …”
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  12. 432

    Recent Studies on the Speciation and Determination of Mercury in Different Environmental Matrices Using Various Analytical Techniques by Lakshmi Narayana Suvarapu, Sung-Ok Baek

    Published 2017-01-01
    “…This paper reviews the current research on the speciation and determination of mercury by various analytical techniques, including the atomic absorption spectrometry (AAS), voltammetry, inductively coupled plasma optical emission spectrometry (ICP-OES), ICP-mass spectrometry (MS), atomic fluorescence spectrometry (AFS), spectrophotometry, spectrofluorometry, and high performance liquid chromatography (HPLC). …”
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  13. 433

    Pyrolysis of Table Sugar by Adnan Bulut, Selhan Karagöz

    Published 2013-01-01
    “…The composition of bio-oils extracted with diethyl ether was identified by means of gas chromatography mass spectrometry (GC-MS), nuclear magnetic resonance (1H-NMR), and Fourier transform infrared spectroscopy (FTIR). …”
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  14. 434

    A Treatable Neurometabolic Disorder: Glutaric Aciduria Type 1 by S. Pusti, N. Das, K. Nayek, S. Biswas

    Published 2014-01-01
    “…We report two such cases with macrocephaly, typical MRI pictures, and tandem mass spectrometry suggestive of glutaric aciduria type 1.…”
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  15. 435

    Determination of Pesticide Residues in Cannabis Smoke by Nicholas Sullivan, Sytze Elzinga, Jeffrey C. Raber

    Published 2013-01-01
    “…Smoke generated from the smoking devices was condensed in tandem chilled gas traps and analyzed with gas chromatography-mass spectrometry (GC-MS). Recoveries of residues were as high as 69.5% depending on the device used and the component investigated, suggesting that the potential of pesticide and chemical residue exposures to cannabis users is substantial and may pose a significant toxicological threat in the absence of adequate regulatory frameworks.…”
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  16. 436

    Synthesis Characterization and Biological Activity Study of New Schiff and Mannich Bases and Some Metal Complexes Derived from Isatin and Dithiooxamide by Ahlam J. Abdulghani, Nada M. Abbas

    Published 2011-01-01
    “…The structures were characterized by IR, 1HNMR, mass spectrometry, and CHN analyses. Metal complexes of the two ligands were synthesized, and their structures were characterized by elemental analyses, atomic absorption, IR and UV-visible spectra, molar conductivity, and magnetic moment determination. …”
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  17. 437

    Study on the Absorption and Conduction Properties of Vanisulfane in Tobacco by Xingang Meng, Fei Li, Qian Huang

    Published 2022-01-01
    “…After the tobacco plants were treated by hydroponics and foliar spraying, the contents of vanisulfane in root and stem leaf were detected by high-performance liquid chromatography tandem high-resolution mass spectrometry (UPLC-HRMS), and the position of vanisulfane in root and stem leaf was real-time observed through fluorescence two-photon confocal microscope. …”
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  18. 438

    Recent Advances in Electrochemical Glycobiosensing by Germarie Sánchez-Pomales, Rebecca A. Zangmeister

    Published 2011-01-01
    “…Although the prevalent methods of glycan analysis (high-performance liquid chromatography, mass spectrometry, and nuclear magnetic resonance spectroscopy) provide detailed identification and structural analysis of glycan species, there are significantly few low-cost, rapid glycan assays available for diagnostic and screening applications. …”
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  19. 439

    Kerstersia gyiorum Isolated from a Bronchoalveolar Lavage in a Patient with a Chronic Tracheostomy by Meredith Deutscher, Jennifer Severing, Joan-Miquel Balada-Llasat

    Published 2014-01-01
    “…The use of the matrix-assisted laser desorption ionization-time of flight (MALDI-TOF) mass spectrometry (MS) generates rapid microbial identification. …”
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  20. 440

    Application of Targeted Proteomics in Food Safety Detection by CHEN Mengqi, PENG Miaoxi, LIU Jingwen, HUANG Chengdong, WU Zuqing, LING Li, YUAN Muyun, CHEN Wenrui, HU Songqing

    Published 2024-12-01
    “…Targeted proteomics based on mass spectrometry (MS) plays an increasingly important role in addressing this issue due to its high sensitivity, specificity, and quantitative accuracy. …”
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    Article