Showing 1,441 - 1,460 results of 1,810 for search '"Mass spectrometry"', query time: 0.09s Refine Results
  1. 1441

    Chemical Profile and Antibacterial Activity of <i>Vitis vinifera</i> L. cv Graciano Pomace Extracts Obtained by Green Supercritical CO<sub>2</sub> Extraction Method Against Multidr... by Rocío Fernández-Pérez, Silvia Ayuso, Cristina Moreta, María-José Saiz-Abajo, Miguel Gastón-Lorente, Fernanda Ruiz-Larrea, Carmen Tenorio

    Published 2024-12-01
    “…The SE and SFE methods were optimised, and ultra-performance liquid chromatography/mass spectrometry (UPLC/QqQ-MS/MS) analysis revealed 38 phenolic compounds in the SE sample, with anthocyanins being the predominant polyphenols, and 21 phenolic compounds in the SFE samples, among which hydroxybenzoic acids and flavonols were the predominant compounds. …”
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  2. 1442

    Development of a method for simultaneous analysis of glycosaminoglycan disaccharides and evaluating the quality of chondroitin sulfate and hyaluronic acid in food raw materials by Kengo Hirai, Takamasa Ishii, Ayaka Aijima, Nae Yokota, Yasuhisa Miyamoto, Kyohei Higashi, Yusuke Iwasaki, Rie Ito, Nobuaki Higashi, Hiroshi Akiyama

    Published 2025-01-01
    “…We developed a comprehensive liquid chromatography-tandem mass spectrometry (LC-MS/MS) method for the simultaneous analysis of 19 glycosaminoglycan disaccharide components. …”
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  3. 1443

    Сomparative analysis of wild and cultivated Lathyrus L. spp. according to their primary and secondary metabolite contents by A. E. Solovyeva, T. V. Shelenga, А. L. Shavarda, M. O. Burlyaeva

    Published 2019-10-01
    “…Such tasks can be solved  using  gas chromatography with mass spectrometry in plant  diversity studies. In view of the above,  our goal was to analyze organic  acids, free amino  acids and secondary metabolites in green biomass  of Lathyrus to facilitate comprehensive assessment of its forage  and  pharmacological value. …”
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  4. 1444

    Differences in Metabolites of Different Varieties from Xinjiang Large-fruit Sea Buckthorn as Analyzed by Non-targeted Metabolomics by Rong HAN, Yan MA, Shengjie LI, Xintao MENG, Mingqiang XU, Ting ZHANG, Yan PAN

    Published 2025-02-01
    “…This experiment aimed to investigate the differences in metabolites of different varieties from Xinjiang large-fruit sea buckthorn, ultra high performance liquid chromatography-mass spectrometry (UPLC-QTOF-MS) coupled with multivariate statistical analysis and pathway enrichment analysis were used to characterize the metabolites of six Xinjiang large-fruit sea buckthorn species ('Mixed Fruit', 'Giant', 'Shenqunhon', 'Wucifeng', 'Xiangyang' and 'Zhuangyuan Yellow') were subjected to non-targeted metabolomics study. …”
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  5. 1445

    Analysis of Volatile Components and Key Aroma Components in Dianhong Congou Black Tea Produced by Variable Temperature Fermentation by WANG Yanyan, LIU Zhiwei, YAN Huiting, LU Jianwei, HE Yamei, GAO Jun, BAI Bing, LU Liping

    Published 2024-12-01
    “…To determine the optimal variable temperature fermentation parameters, the volatile components in DCT samples were analyzed by sensory evaluation, gas chromatography-mass spectrometry (GC-MS), odor activity value (OAV) and orthogonal partial least squares-discriminant analysis (OPLS-DA). …”
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  6. 1446
  7. 1447

    Biomass and Yield in Solanum lycopersicum Expressing a Synthetic Photorespiration Pathway by Laura Dougherty, Bret Cooper, James Bunce, Bryan Vinyard, John Stommel

    Published 2025-01-01
    “…Metabolic profiles obtained from high-performance liquid chromatography mass spectrometry (HPLC-MS) analysis revealed increases in forms of inactivated auxin. …”
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  8. 1448

    Determination of Per- and Polyfluoroalkyl Substances in Craft Villages and Industrial Environments of Vietnam by Thi Vi Phung, Thuy Ngoc Nguyen, Lan-Anh Phan Thi, Hung Viet Pham, Hong Anh Duong

    Published 2021-01-01
    “…Eight PFASs in wastewater from craft villages and industrial environments of Vietnam were analyzed using liquid chromatography triple quadrupole mass spectrometry (LC-MS/MS) with negative electrospray ionization interface. …”
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  9. 1449

    Plasma Metabolite Profiles of Healthy Volunteers after Administration of a Thai Herbal Formula for Dizziness by Ranida Boonrak, Kajee Pilakasiri, Suksalin Boonranasubkajorn, Natchagorn Lumlerdkij, Pravit Akarasereenont

    Published 2024-12-01
    “…Phytochemical and metabolite profiling were performed using liquid chromatography-tandem mass spectrometry (LC-MS/MS) and LC/MS Q-ToF, respectively, on plasma samples from 90 healthy participants aged 20 to 60 years. …”
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  10. 1450

    HDL proteome and apolipoproteins concentrations in severe ICU COVID-19 patients by Floran Begue, Bryan Veeren, Philippe Rondeau, Aline-Marie Florence, Simon Jamard, Philippe Montravers, Sébastien Tanaka, Olivier Meilhac, on behalf of French COVID Study Group

    Published 2025-01-01
    “…Among them, 18 survived the disease, while 19 succumbed to it. We used mass spectrometry to assess plasma levels of 14 apolipoproteins and LCAT. …”
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  11. 1451

    Fatal toxoplasmic encephalitis triggered by anti-TNF therapy by Rodrigo A. Montoro, Michael Moran, Katherine A. Overmyer, Andrew Periaccante, Joshua J. Coon, Swapnil Lanjewar, Laura J. Knoll, Rob Striker

    Published 2025-02-01
    “…Second, some strains of T. gondii are more virulent than others. Post-mortem mass spectrometry and proteomic analysis of her cerebrospinal fluid show several T. gondii peptides. …”
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  12. 1452

    Screening of soybean antifungal isoflavones based on targeted metabolomics analysis by Nishbah Mughal, Xiaowen Zhang, Noman Shoaib, Juncai Deng, Jinya Guo, Jing Zhang, Wenyu Yang, Jiang Liu

    Published 2025-01-01
    “…Isoflavone profiles in seeds and pods were analyzed using high-performance liquid chromatography-mass spectrometry (HPLC-MS), and metabolomics analysis via orthogonal signal correction partial least squares discriminant analysis (OSC-PLS-DA) identified differences between mildew-affected and unaffected samples. …”
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  13. 1453

    Microstructural modifications in bitumens rejuvenated by oil from pyrolysis of waste tires by Michela Alfe, Valentina Gargiulo, Giovanna Ruoppolo, Francesco Cammarota, Pietro Calandra, Cesare Oliviero Rossi, Valeria Loise, Michele Porto, Roberto Di Capua, Paolino Caputo

    Published 2025-01-01
    “…The pyrolysis oil from WTs was produced and characterized using elemental analysis, gas chromatography coupled with mass spectrometry (GCMS), and thermogravimetry. Bitumen was aged by the rolling thin-film oven test procedure and blended with the WT pyrolysis oil at three different concentrations (1%, 3%, and 6% w/w) to evaluate the rheological behaviors. …”
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  14. 1454

    Characterization of a Complex Mixture of Immunomodulator Peptides Obtained from Autologous Urine by Alberto Fragoso, Mérida Pedraza-Jiménez, Laura Espinoza-González, María Luisa Ceja-Mendoza, Hugo Sánchez-Mercado, Gloria Robles-Pérez, Julio Granados, Emilio Medina-Rivero

    Published 2020-01-01
    “…., allergic rhinitis, rheumatoid arthritis, and chronic rhinopharyngitis), using size exclusion chromatography (SEC) and mass spectrometry (MS). The peptides contained in the immunomodulators were stable after six months, stored in a refrigerator. …”
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  15. 1455
  16. 1456

    Trimethylamine N-Oxide (TMAO) Plasma Levels in Patients with Different Stages of Chronic Kidney Disease by Marcia Ribeiro, Julie Ann Kemp, Ludmila Cardozo, Drielly Vargas, Marcelo Ribeiro-Alves, Peter Stenvinkel, Denise Mafra

    Published 2024-12-01
    “…TMAO plasma levels were assessed by liquid chromatography coupled to triple mass spectrometry quadrupole. Results: In total, 15 ND patients [stages 3–5, glomerular filtration rate 41.4 mL/min/1.73 m<sup>2</sup>, 64 (IQR = 12.5) years, BMI 25.2 kg/m<sup>2</sup>, eight women]; 14 PD patients [57.5 (IQR = 8.5) years, BMI of 27.8 kg/m<sup>2</sup>, nine women]; and 34 HD patients [43.5 (IQR = 45.5) years, BMI of 24.4 kg/m<sup>2</sup>, nineteen women] were analyzed. …”
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  17. 1457

    Comprehensive genomic and transcriptomic analyses of the anaerobic degradation of microcystin in Alcaligenes faecalis D04 by Fei Yang, Lili Yang, Jia Wei, Tian Ma, Mengna Zhou, Liwen Liao, Junhao Xie, Pengji Zhou

    Published 2025-01-01
    “…Two new anaerobic degradation products, one pentapeptide (Adda-Glu-Mdha-Ala-Leu) and one tripeptide (Adda-Glu-Mdha), were identified by chromatography and mass spectrometry, and two new anaerobic degradation pathways for microcystins were proposed. …”
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  18. 1458

    Goat’s Milk Powder Enriched with Red (<i>Lycium barbarum</i> L.) and Black (<i>Lycium ruthenicum</i> Murray) Goji Berry Extracts: Chemical Characterization, Antioxidant Properties,... by Danijel D. Milinčić, Aleksandar Ž. Kostić, Steva Lević, Uroš M. Gašić, Dragana D. Božić, Relja Suručić, Tijana D. Ilić, Viktor A. Nedović, Bojana B. Vidović, Mirjana B. Pešić

    Published 2024-12-01
    “…Proximate analysis, ultra-high performance liquid chromatography with quadrupole time-of-flight mass spectrometry (UPLC-Q-TOF-MS), Fourier transform infrared spectroscopy using attenuated total reflection (FTIR-ATR), and electrophoretic analysis were assessed. …”
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  19. 1459

    Characteristics and Source-specific Health Risks of Ambient PM2.5-bound PAHs in an Urban City of Northern Taiwan by Yu-Chieh Ting, Chun-Hung Ku, Yu-Xuan Zou, Kai-Hsien Chi, Jhy-Charm Soo, Chin-Yu Hsu, Yu-Cheng Chen

    Published 2023-08-01
    “…Fifteen PAHs in PM2.5 were analyzed via gas chromatography tandem mass spectrometry (GC/MS-MS). We utilized a positive matrix factorization (PMF) model, diagnostic ratios, and potential source contribution function (PSCF) to identify the origins of PM2.5-bound PAHs. …”
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  20. 1460

    Effects of acteoside from Cistanche tubulosa on the plasma metabolome of cancer-related fatigue mice inoculated with colon cancer cells by Shilei Zhang, Fukai Gong, Jiali Liu, Shuping You, Tao Liu, Jianhua Yang, Junping Hu

    Published 2025-01-01
    “…Finally, liquid chromatography-mass spectrometry (LC/MS) was employed to investigate alterations in the plasma metabolic profile of tumor-bearing mice with CRF in response to ACT treatment, and the affinity between metabolite-associated proteins and ACT was verified by Surface plasmon resonance (SPR) assay.ResultsOur study demonstrated the presence of CRF in the colon cancer mouse model, with the severity of fatigue increasing alongside tumor growth. …”
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