Showing 1,481 - 1,500 results of 1,810 for search '"Mass spectrometry"', query time: 0.09s Refine Results
  1. 1481

    Influence of Physicochemical Properties of Oil Sludge on Syngas Production for Energy Applications by Hiago Oliveira, Isabela Pinheiro, Ana Ramos, Osvaldo Venturini, Adriano Mariano, York Santiago

    Published 2024-12-01
    “…OS samples from oil storage tanks were analyzed using mass spectrometry, thermogravimetry, atomic absorption, proximate analysis, X-ray fluorescence, and X-ray diffraction. …”
    Get full text
    Article
  2. 1482

    Comparative Analysis of Five Moroccan Thyme Species: Insights into Chemical Composition, Antioxidant Potential, Anti-Enzymatic Properties, and Insecticidal Effects by Mohamed Ouknin, Hassan Alahyane, Naima Ait Aabd, Sara Elgadi, Youssef Lghazi, Lhou Majidi

    Published 2025-01-01
    “…Gas chromatography–mass spectrometry (GC-MS) identified thymol, <i>p</i>-cymene, borneol, γ-terpinene, carvacrol, α-pinene, and camphene as major constituents, with variations across species. …”
    Get full text
    Article
  3. 1483

    Lack of Male-Female Differences in Disposition and Esterase Hydrolysis of Ramipril to Ramiprilat in Healthy Volunteers after a Single Oral Dose by Tom B. Vree, Erik Dammers, Ivan Ulc, Stefan Horkovics-Kovats, Miroslav Ryska, IJsbrand Merkx

    Published 2003-01-01
    “…Plasma ramipril and ramiprilat concentrations were determined according to validated methods involving liquid chromatography-mass spectrometry. A total number of 2 � 34 available plasma concentration-time curves of both the parent drug and the metabolite could be analysed, and variations (50�100% coefficient of variation [CV]) in plasma concentrations of both parent drug and metabolite were found. …”
    Get full text
    Article
  4. 1484

    Occurrence and bioaccumulation of organophosphate flame retardants in high-altitude regions: A comprehensive field survey in Qinghai Province, China by Haibao Zhu, Jinlin Hu, Zheng Ruan, Danhua Liu, Meirong Zhao

    Published 2025-01-01
    “…Herein, a general pretreatment method for OPFRs across various sample matrices was established and combined with gas chromatography-mass spectrometry (GC-MS), utilizing a programmed temperature ramp in the vaporization chamber to enable high-throughput detection of OPFRs in various environmental matrices. …”
    Get full text
    Article
  5. 1485

    HEMPSEED AND COTTONSEED OILS IN THE ACCESSIONS FROM THE VIR COLLECTION AS SOURCES OF FUNCTIONAL FOOD INGREDIENTS by S. V. Grigoryev, T. V. Shelenga, K. V. Illarionova

    Published 2019-10-01
    “…The PUFA profile was measured using gas chromatography with mass spectrometry equipment (Agilent 6850, USA). All data were calculated using the UniChrom software.Results and conclusions. …”
    Get full text
    Article
  6. 1486

    Comparing the Structural and Physicochemical Properties of Highland Barley <i>β</i>-Glucan from Different Sources: A Focus on Color by Ping Yu, Xuemin Kang, Pengfei Liu, Zhengzong Wu, Yue Cheng, Bo Cui, Wei Gao

    Published 2025-01-01
    “…The molecular weight (M<sub>w</sub>) of BBG, LBG, and WBG were 55.87 kDa, 65.19 kDa, and 81.59 kDa, respectively. 4-Glc(p), 3-Glc(p), and t-Glc(p) accounted for a larger proportion (>90%) of the total methylated residues according to gas chromatography–mass spectrometry (GC-MS) analysis. Additionally, Fourier transform infrared (FT-IR) spectroscopy revealed that the <i>β</i>-linkage of LBG had a greater capacity to develop stronger hydrogen bonds, due to the absence of 3,4-Glc(p). …”
    Get full text
    Article
  7. 1487

    The Joint Research Centre’s Expertise in Nuclear Safeguards Sample Analysis by Hernández Ana María Sánchez, Buda Razvan, Casteleyn Karin, Commin Lorelei, D’Amati Francesco, Horta Joan, Le Terrier Arnaud, Mühleisen Artur, Stohr Sarah, Schorlé Hélène, Toma Magdalena, Zuñiga Martin Vargas, Wojnowski Denis, Zsigrai Jozsef, Mayer Klaus

    Published 2025-01-01
    “…We employ a range of analytical methods, including active and passive radiometric techniques and mass spectrometry, to ensure the lowest possible uncertainty in our results. …”
    Get full text
    Article
  8. 1488

    Adsorptive Removal of Copper by Using Surfactant Modified Laterite Soil by Tien Duc Pham, Hoang Hiep Nguyen, Ngoc Viet Nguyen, Thanh Tu Vu, Thi Ngoc Mai Pham, Thi Hai Yen Doan, Manh Ha Nguyen, Thi Mai Viet Ngo

    Published 2017-01-01
    “…Characterizations of laterite were examined by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), inductively coupled plasma mass spectrometry (ICP-MS), and total carbon analysis. …”
    Get full text
    Article
  9. 1489

    Severe pneumonia caused by Nocardia otitidiscaviarum in a patient with bronchiectasis and IgA nephropathy: a case report by Yi Lin, Zhao-Zhao Jiang, Xiao-Qian Chi, Jian-Sheng Chen, Chao Wen, Chao Zhang, Ying-Ying Wang, Guang-Liang Xie

    Published 2025-02-01
    “…Finally, the patient was confirmed to have Nocardia otitidiscaviarum infection by mass spectrometry. According to the antibiotic sensitivity test and minimum inhibitory concentration (MIC) value results, Nocardia otitidiscaviarum was resistant to imipenem, so the treatment was changed to trimethoprim-sulfamethoxazole combined with linzolid. …”
    Get full text
    Article
  10. 1490

    Investigating the ROS Formation and Particle Behavior of Food-Grade Titanium Dioxide (E171) in the TIM-1 Dynamic Gastrointestinal Digestion Model by Nicolaj S. Bischoff, Anna K. Undas, Greet van Bemmel, Jacco J. Briedé, Simone G. van Breda, Jessica Verhoeven, Sanne Verbruggen, Koen Venema, Dick T. H. M. Sijm, Theo M. de Kok

    Published 2024-12-01
    “…E171 was characterized using multiple techniques, including electron spin resonance spectroscopy, single-particle inductively coupled plasma–mass spectrometry, transmission electron microscopy, and dynamic light scattering. …”
    Get full text
    Article
  11. 1491

    Toxicity Assessment of the Xanthid Crab Demania cultripes from Cebu Island, Philippines by Manabu Asakawa, Gloria Gomez-Delan, Shintaro Tsuruda, Michitaka Shimomura, Yasuo Shida, Shigeto Taniyama, Mercy Barte-Quilantang, Jo Shindo

    Published 2010-01-01
    “…Furthermore, gas chromatography-mass spectrometry (GC-MS) analysis revealed mass fragment ion peaks at m/z 376, 392 and 407, which were characteristic of the quinazoline skeleton (C9-base) specific to TTX. …”
    Get full text
    Article
  12. 1492

    Chemical composition and insecticidal activity of Mentha rotundifolia and Chrysanthemum coronarium essential oils against the tomato leaf miner, Tuta absoluta by Krache Farial, Boualem Malika, Benourad Fouzia, Touzout Nabil, Mihoub Adil, Subhan Danish, Sulaiman Ali Alharbi, Mohammad Javed Ansari, Abdullah A. Alarfaj

    Published 2025-01-01
    “…The chemical composition of EOs obtained by steam distillation from the leaves of the plants was analyzed by gas chromatography coupled with mass spectrometry (GC-MS). Indeed, 77 volatile compounds representing 98.19% of the total oil of M. rotundifolia, including cyclobutane acetonitrile, 1-methyl-2-(1-methyl ethenyl)-, terpinene-4-ol, p-menthane, germacrene D, caryophyllene and myrcene, were the main compounds. …”
    Get full text
    Article
  13. 1493

    Novel Perspectives for Sensory Analysis Applied to Piperaceae and Aromatic Herbs: A Pilot Study by Isabella Taglieri, Alessandro Tonacci, Guido Flamini, Pierina Díaz-Guerrero, Roberta Ascrizzi, Lorenzo Bachi, Giorgia Procissi, Lucia Billeci, Francesca Venturi

    Published 2025-01-01
    “…In this pilot study as a first step, each studied botanical, belonging to Piperaceae or aromatic herbs, has been subjected to headspace solid phase micro-extraction (HS-SPME) coupled with gas-chromatography mass spectrometry (GC-MS) analysis to assess their spontaneous volatile emission, representing the complex chemical pattern, which encounters the consumers’ olfactory perception. …”
    Get full text
    Article
  14. 1494

    Transcriptomic and proteomic profiling identifies feline fibrosarcoma as clinically amenable model for aggressive sarcoma subtypes by Mikiyo Weber, Daniel Fuchs, Amiskwia Pöschel, Erin Beebe, Zuzana Garajova, Armin Jarosch, Laura Kunz, Witold Wolski, Lennart Opitz, Franco Guscetti, Mirja C. Nolff, Enni Markkanen

    Published 2025-02-01
    “…Combining laser-capture microdissection, RNAsequencing and liquid chromatography-tandem mass spectrometry, we perform comprehensive profiling of 30 feline FSA and matched skeletal muscle, adipose and connective tissue. …”
    Get full text
    Article
  15. 1495

    Elucidating the metabolic mechanisms and active constituents of ZuoGui Wan in combatting postmenopausal osteoporosis: A metabolomics and network pharmacology approach by Yanchen Feng, KaiKai Shi, Dingming Li, Shunzhi Yang, Xue Dang, Jinyao Li, Yan Chen, Jianping Yao, Yunke Zhang, Lu Sun, Feixiang Liu

    Published 2025-02-01
    “…The blood-entry components of ZGW were identified using ultra-high performance liquid chromatography-high resolution mass spectrometry. The metabolic mechanisms of ZGW against PMOP were elucidated through metabolomics. …”
    Get full text
    Article
  16. 1496

    Assessment of oat varieties with different levels of breeding refinement from the Vavilov Institute’s collection applying the method of metabolomic profiling by I. G. Loskutov, T. V. Shelenga, A. V. Konarev, V. I. Khoreva, Yu. A. Kerv, E. V. Blinova, A. A. Gnutikov, A. V. Rodionov, L. L. Malyshev

    Published 2022-04-01
    “…Metabolomic profiling data obtained through gas chromatography coupled with mass spectrometry are presented. Thirty oat accessions from the collection of the N.I. …”
    Get full text
    Article
  17. 1497

    Alkaloid content variability in the seeds of narrow-leafed lupine accessions from the VIR collection under the conditions of the Russian Northwest by M. A. Vishnyakova, A. V. Salikova, T. V. Shelenga, G. P. Egorova, L. Yu. Novikova

    Published 2023-04-01
    “…Alkaloids were analyzed using gas-liquid chromatography coupled with mass spectrometry. Concentrations of main alkaloids: lupanine, 13-hydroxylupanine, sparteine, angustifoline and isolupanine, and their total content were measured. …”
    Get full text
    Article
  18. 1498

    No correlation between thrombin generation and emicizumab levels: implications for monitoring emicizumab therapy by Konrad van der Zwet, Mark Roest, Dana Huskens, Roger E.G. Schutgens, Lize F.D. van Vulpen, Kathelijn Fischer, Rolf T. Urbanus

    Published 2025-01-01
    “…Emicizumab concentrations were determined with mass spectrometry. Only treated bleeds were recorded. Pearson correlations (rho, r) were reported. …”
    Get full text
    Article
  19. 1499

    Recent advances in detection techniques for vitamin analysis: A comprehensive review by Xiangrui Li, Huan Lv, Wencan Luo, WenJia Yang, Linghong Kong, Qiujin Zhu, Lu Zeng

    Published 2025-02-01
    “…Here, we propose a comprehensive and critical evaluation of detection methods for water- and fat-soluble vitamins that have been studied over the past five years, including microbiology-, spectroscopy-, liquid chromatography–mass spectrometry-, electrochemistry-, sensor-, and immunoassay-based analysis techniques. …”
    Get full text
    Article
  20. 1500

    Full-length and N-terminally truncated recombinant interleukin-38 variants are similarly inefficient in antagonizing interleukin-36 and interleukin-1 receptors by Alejandro Diaz-Barreiro, Dominique Talabot-Ayer, Arnaud Huard, Gea Cereghetti, Jenna Tonacini, Mike Maillasson, Antonio Francés-Monerris, Erwan Mortier, Gaby Palmer

    Published 2025-01-01
    “…Methods The N-terminus of the IL-38 protein produced in a human keratinocyte cell line and of endogenous epidermal IL-38 isolated from healthy human skin was characterized by mass spectrometry. The effects of various recombinant forms of IL-38 on IL-36R- and IL-1R1-mediated responses were assessed in IL-36R HEK Blue reporter cells and in a normal human keratinocyte cell line. …”
    Get full text
    Article