Showing 661 - 680 results of 1,810 for search '"Mass spectrometry"', query time: 0.08s Refine Results
  1. 661

    Validation of Colchicine Assay Method for Therapeutic Drug Monitoring in Human Plasma by Fadime Canbolat

    Published 2022-12-01
    “…The purpose of this study is to develop and validate a new method for quantitative assay of COL in human plasma samples by liquid chromatograph- tandem mass spectrometry (LC-MS/MS). In our study, to 1ml plasma sample, 0.25 ml internal standard solution was added. …”
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  2. 662

    Carpal Tunnel Syndrome and Calcium Deposit in the Surgically Transacted Transverse Carpal Ligament by Ali Abbas Hashim Al-Musawi, Nadia Mahmoud Tawfiq Jebril, Amer Abbas. H. AL-Auhaimid, Zaid Hadi. K. Hammoodi

    Published 2022-01-01
    “…Total concentrations of Ca, Cd, and Pb in the extracted portion of TCL were digested and determined using inductively coupled plasma mass spectrometry (ICP-MS) and the possibility of using X-ray spectroscopy (XRF) for direct elemental analysis. …”
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  3. 663

    Multi-tissue characterization of the constitutive heterochromatin proteome in Drosophila identifies a link between satellite DNA organization and transposon repression. by Ankita Chavan, Lena Skrutl, Federico Uliana, Melanie Pfister, Franziska Brändle, Laszlo Tirian, Delora Baptista, Dominik Handler, David Burke, Anna Sintsova, Pedro Beltrao, Julius Brennecke, Madhav Jagannathan

    Published 2025-01-01
    “…Here, we use 2 satellite DNA-binding proteins, D1 and Prod, as baits to characterize the chromocenter-associated proteome in Drosophila embryos, ovaries, and testes through quantitative mass spectrometry. We identify D1- and Prod-associated proteins, including known heterochromatin proteins as well as proteins previously unlinked to satellite DNA or chromocenters, thereby laying the foundation for a comprehensive understanding of cellular functions enabled by satellite DNA repeats and their associated proteins. …”
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  4. 664

    Geographical and Seasonal Patterns of Geosmin and 2-Methylisoborneol in Environmental Water in Jiangsu Province of China by Zhen Ding, Shifu Peng, Yuqin Jin, Zhoubin Xuan, Xiaodong Chen, Lihong Yin

    Published 2014-01-01
    “…More specifically, the headspace solid-phase microextraction coupled to gas chromatography mass spectrometry (HS-SPME/GC-MS) was applied to determine the levels of GSM and 2-MIB in water samples, and the samples were collected depending on water sources, conventional treatment processes, and seasons. …”
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  5. 665

    Quantitative Imaging of Cell-Permeable Magnetic Resonance Contrast Agents Using X-Ray Fluorescence by Paul J. Endres, Keith W. MacRenaris, Stefan Vogt, Matthew J. Allen, Thomas J. Meade

    Published 2006-10-01
    “…The transduction efficiency of the intracellular agents was evaluated by T 1 analysis and inductively coupled plasma mass spectrometry to determine the efficacy of each chelate-transporter combination.…”
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  6. 666

    CHROMATOGRAPHIC ANALYSIS OF CARBOXYLIC ACIDS IN THE FLOWERING SHOOTS OF SOME Vitex L. SPECIES by Mariia Shanaida, Alina Holenko

    Published 2022-06-01
    “…Gas chromatography with mass spectrometry (GC/MS) was applied for the analysis of composition and contents of carboxylic acids in the Vitex agnus-castus L., Vitex negundo L. and Vitex negundo var. cannabifolia (Siebold & Zucc.) …”
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  7. 667

    Phenolic Profile, Antioxidant Activity, and Enzyme Inhibitory Properties of Limonium delicatulum (Girard) Kuntze and Limonium quesadense Erben by A. Ruiz-Riaguas, G. Zengin, K.I. Sinan, C. Salazar-Mendías, E.J. Llorent-Martínez

    Published 2020-01-01
    “…The characterization and quantitation of individual phytochemicals were performed with liquid chromatography with diode array and electrospray-tandem mass spectrometry detection. Myricetin glycosides were abundant in L. delicatulum, whereas L. quesadense was rich in gallo(epi)catechin-O-gallate. …”
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  8. 668

    Characterization of Key Odorants in Soy Sauce and Their Concentration Changes during Storage by Rui Wang, Shiyu Chang, Miao Liang, Yajian Wu, Runhu Xin, Yuping Liu, Liang Chen, Shangting Zhou

    Published 2023-01-01
    “…To explore the key odorants and their concentration changes in high-salt liquid-state fermentation soy sauce (HLFSS) during storage, solvent extraction coupled with solvent-assisted flavor evaporation was applied to isolate the volatiles in HLFSS, and the volatiles were analyzed by gas chromatograph-mass spectrometry-olfactory and gas chromatograph-flame ionization detector-olfactometry combined with the aroma extract dilution assay. …”
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  9. 669

    Influencing factors of clinical efficacy of roxadustat among hemodialysis patients by Wenhui Wu, Nan Hu, Xiurong Li, Jia Di, Hua Zhou, Hongyan Niu, Min Yang

    Published 2024-12-01
    “…The plasma trough concentrations of roxadustat were measured using liquid chromatography–tandem mass spectrometry (LC–MS/MS). A multiple logistic regression model was established to determine the factors that affect clinical efficacy of roxadustat in patients undergoing hemodialysis.Results A total of 67 hemodialysis patients were enrolled in the study. …”
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  10. 670

    Composition of Trace Metals in Dust Samples Collected from Selected High Schools in Pretoria, South Africa by J. O. Olowoyo, L. L. Mugivhisa, Z. G. Magoloi

    Published 2016-01-01
    “…The dust samples were analysed for trace metal concentrations using Inductively Coupled Plasma-Mass Spectrometry (ICP-MS). The composition of the elements showed that the concentrations of Zn were more than all other elements except from one of the schools. …”
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  11. 671

    Deficiency in NPC2 results in disruption of mitochondria-late endosome/lysosomes contact sites and endo-lysosomal lipid dyshomeostasis by Raffaele Pastore, Lihang Yao, Nathan Hatcher, Martin Helley, Janet Brownlees, Radha Desai

    Published 2025-01-01
    “…Quantification of endogenous lipids in HEKNPC2−/− cells by mass spectrometry reveals accumulation of lipid species indicative of sphingolipid metabolic dysregulation within the lysosome. …”
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  12. 672

    Revealing and mitigating the inhibitory effect of serotonin on HRP-mediated protein labelling by Zora Chui-Kuen Chan, Cheng Qi, Yuanhong Cai, Xin Li, Jing Ren

    Published 2024-12-01
    “…Abstract Proximity-dependent biotinylation coupled with mass spectrometry enables the characterization of subcellular proteomes. …”
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  13. 673

    Determination of cefuroxime in human blood and urine using UHPLC-MS/MS and its application to stability study of cefuroxime over 278 days by Karolina Nowak, Marcin Zawadzki, Paweł Szpot

    Published 2024-12-01
    “…The analyses were conducted using ultra-high-performance liquid chromatography coupled with triple-quadrupole tandem mass spectrometry. Results: The method met all validation requirements. …”
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  14. 674

    Pilot Study of Trace Elements in the Infusion of Medicinal Plants Used for Diabetes Treatment by Eid I. Brima, Saifeldin M. Siddeeg

    Published 2022-01-01
    “…Infusions (hot water extracts) were obtained from each plant, and elemental analysis was conducted using inductively coupled plasma mass spectrometry (ICP-MS). Fourteen elements (Al, Cr, Mn, Fe, Co, Ni, Cu, Zn, As, Se, Sr, Cd, Ba, and Pb) were measured in all plants. …”
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  15. 675

    An Evaluation of Bera Lake (Malaysia) Sediment Contamination Using Sediment Quality Guidelines by Mohammadreza Gharibreza, Muhammad Aqeel Ashraf, Ismail Yusoff, John Kuna Raj

    Published 2013-01-01
    “…Major and trace levels of elements were determined for 132 subsamples using an inductively coupled plasma mass spectrometry (ICP-MS). The results marked two major groups of metallic elements bonded to the terrestrial and organic-rich sediments. …”
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  16. 676

    Proteomic Analysis of Exudates from Chronic Ulcer of Diabetic Foot Treated with Scorpion Antimicrobial Peptide by Zhixiang Tan, Zhiguo Yu, Xiaobo Xu, Lanxia Meng, Mosheng Yu, Rui Tao, Yingliang Wu, Zhanyong Zhu

    Published 2022-01-01
    “…According to the mass spectrometry data, a total of 1865 proteins were identified qualitatively, and the number of the different proteins was 130 (mid/early), 401 (late/early), and 310 (mid, late/early). …”
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  17. 677

    Neonatal necrotizing enterocolitis complicated by glutaric acidemia type II: a case report by Yuli Zhang, Yuli Zhang, Longfei Chen, Miao Duan

    Published 2025-02-01
    “…Diagnosis of GAII was confirmed through tandem mass spectrometry analysis of a blood sample. Genetic metabolic diseases may complicate or mimic common infections, leading to potential misdiagnosis. …”
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  18. 678

    Determination of the Phenolic Profile and Antioxidant Activity of Leaves and Fruits of Spanish Quercus coccifera by L. Molina-García, R. Martínez-Expósito, M. L. Fernández-de Córdova, E. J. Llorent-Martínez

    Published 2018-01-01
    “…Forty-one compounds were characterized using high-performance liquid chromatography with electrospray multistage mass spectrometry (HPLC-ESI-MSn) with an ion trap mass spectrometer. …”
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  19. 679

    LC-MS/MS Quantification of Tramadol and Gabapentin Utilizing Solid Phase Extraction by Pappula Nagaraju, Balaji Kodali, Peda Varma Datla, Surya Prakasarao Kovvasu

    Published 2018-01-01
    “…An accurate, highly sensitive, and precise method for quantitative analysis of tramadol (TMD) and gabapentin (GBP) by high performance liquid chromatography and tandem mass spectrometry in human plasma was proposed and validated successfully using venlafaxine and pregabalin as internal standards (ISTDs), respectively. …”
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  20. 680

    Analysis of 31 Hydrazones of Carbonyl Compounds by RRLC-UV and RRLC-MS(/MS): A Comparison of Methods by Soraya de M. Ochs, Maíra Fasciotti, Annibal D. Pereira Netto

    Published 2015-01-01
    “…In this work, the separation of 31 carbonyl compounds (CC) in their 2,4-dinitrophenylhydrazones form was optimized by rapid resolution liquid chromatography in 9 minutes and simultaneously detected by ultraviolet and mass spectrometry with an APCI(−) as ionization source. …”
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