Showing 1,141 - 1,160 results of 1,810 for search '"Mass spectrometry"', query time: 0.10s Refine Results
  1. 1141

    Seasonal Variability of PM10 Chemical Composition Including 1,3,5-triphenylbenzene, Marker of Plastic Combustion and Toxicity in Wadowice, South Poland by Przemysław Furman, Katarzyna Styszko, Alicja Skiba, Damian Zięba, Mirosław Zimnoch, Magdalena Kistler, Anne Kasper-Giebl, Stefania Gilardoni

    Published 2020-11-01
    “…Ion chromatography (IC) was used for analysis of cations and anions, while gas chromatography-mass spectrometry (GC-MS) was used for PAHs. Samples were also analyzed for OC/EC (organic/elemental carbon) by thermal-optical analysis with a Sunset Laboratory carbon analyzer, Sunset Inc. …”
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  2. 1142

    Determination of Pendimethalin Dynamic Residual Distribution in Crucian Carp Tissues and Associated Risk Assessment by Lu Qiao, Na Yuan, Gang Han, Bo Cheng, Defu Zhang, Jinlong Song, Yingchun Mu

    Published 2021-01-01
    “…This study developed the determination of dynamic residual distribution for pendimethalin in crucian carp tissues (muscle, liver, kidney, gill, and blood) under semistatic exposure system by high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) method. The pendimethalin residues in various fish tissues increased initially and then decreased, and the residue amount of pendimethalin varied from tissue to tissue of crucian carp. …”
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  3. 1143
  4. 1144

    Ceftriaxone-associated dysbiosis decreases voriconazole bioavailability by upregulating intestinal P-glycoprotein expression through activation of the Nrf2-mediated signalling path... by Xiaokang Wang, Xiaokang Wang, Chunxiao Ye, Xixiao Yang, Maoxun Yang, Maoxun Yang, Maoxun Yang

    Published 2025-01-01
    “…Voriconazole concentrations were determined by high-performance liquid chromatography-tandem mass spectrometry. Outer membrane vesicles (OMVs) of microbes from the different groups were prepared for in vitro study in Caco-2 cells. …”
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  5. 1145

    Conserved Nuclear Localization Signal in NS2 Protein of Bombyx Mori Bidensovirus: A Potential Invertebrate ssDNA Virus Trait by Qian Yu, Jiaxin Yan, Ying Chen, Jinfeng Zhang, Qi Tang, Feifei Zhu, Lindan Sun, Shangshang Ma, Xiaoyong Liu, Keping Chen, Qin Yao

    Published 2025-01-01
    “…Additionally, co-immunoprecipitation and mass spectrometry were utilized to identify host proteins interacting with NS2. …”
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  6. 1146

    Rapid assessment of the main economic value indicators in lupine flour samples using infrared spectroscopy by V. S. Popov, A. V. Salikova, I. N. Perchuk, N. G. Konkova, G. P. Egorova, M. A. Vishnyakova, T. V. Shelenga

    Published 2024-05-01
    “…The oil content in lupine seeds was assessed by the defatted dry residue technique in Soxhlet extractors, protein by the Kjeldahl method, and quinolizidine alkaloids by gas chromatography coupled with mass spectrometry. All indicators were recalculated on the dry-weight basis.Results and conclusion. …”
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  7. 1147

    A novel strategy for biomarker discovery: Neutral loss-dependent acquisition of circulating extracellular vesicles for the detection of phosphopeptides by Dong Wei, Hao Zhang, Mingyang Li, Liuxi Chu

    Published 2025-08-01
    “…We then combined this with an advanced liquid chromatography-tandem mass spectrometry (LC−MS/MS) technique to perform neutral loss-information-dependent acquisition-enhanced product ion (NL-IDA-EPI) analysis. …”
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  8. 1148

    Benzo[1,2-b:6,5-b’]dithiophene-4,5-diamine: A New Fluorescent Probe for the High-Sensitivity and Real-Time Visual Monitoring of Phosgene by Yingzhen Zhang, Jun Xiao, Ruiying Peng, Xueliang Feng, Haimei Mao, Kunming Liu, Zhenzhong Liu, Chunxin Ma

    Published 2025-01-01
    “…Furthermore, the sensing mechanism was rigorously validated through high-resolution mass spectrometry (HRMS) and density functional theory (DFT) calculations. …”
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  9. 1149

    Urinary Proteomic Shifts over Time and Their Associations with eGFR Decline in Chronic Kidney Disease by Zhalaliddin Makhammajanov, Kamila Nurlybayeva, Zikrillo Artikov, Pavel Tarlykov, Mohamad Aljofan, Rostislav Bukasov, Duman Turebekov, Syed Hani Abidi, Mehmet Kanbay, Abduzhappar Gaipov

    Published 2025-01-01
    “…This follow-up study investigated urinary proteomics and clinical outcomes in 18 CKD patients (stages 1–3) and 15 healthy controls using liquid chromatography–mass spectrometry and Mascot-SwissProt for protein identification. …”
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  10. 1150

    Metabolomics approach reveals key plasma biomarkers in multiple myeloma for diagnosis, staging, and prognosis by Xiaoxue Wang, Longhao Cheng, Aijun Liu, Lihong Liu, Lili Gong, Guolin Shen

    Published 2025-02-01
    “…Metabolites were analyzed and identified using ultra high liquid chromatography coupled with Q Orbitrap mass spectrometry (UPLC-HRMS), followed by verification through a self-built database. …”
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  11. 1151

    A reliable analytical procedure to determine the carbon isotopic signature of CO<sub>2</sub>-bearing COH fluids generated in petrological experiments by L. Toffolo, L. Minopoli, E. Ferrari, S. Tumiati

    Published 2025-01-01
    “…Here we present a novel methodology that integrates a capsule-piercing device, a quadrupole mass spectrometer (QMS), and isotopic ratio mass spectrometry (IRMS) to measure the CO<span class="inline-formula"><sub>2</sub></span> concentration and natural-like <span class="inline-formula"><i>δ</i><sup>13</sup></span>C ratio of CO<span class="inline-formula"><sub>2</sub></span> in the volatile COH phase generated in petrological experiments. …”
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  12. 1152

    Mechanically stable polymer networks incorporating polymeric ionic liquids for enhanced conductivity in solid-state electrolytes by Sezer Özenler, Nataliya Kiriy, Upenyu L. Muza, Martin Geisler, Anton Kiriy, Brigitte Voit

    Published 2025-12-01
    “…Molecular weights of the PIL samples, ranging from 30 to 40 kDa, were determined using a complimentary combination of thermal field-flow fractionation (ThFFF) and matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) analysis. The aimed for networks were synthesized through the photo-initiated polymerization of a network-forming monomer and a cross-linker, in the presence of lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) and a PIL bearing quaternized imidazolium groups. …”
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  13. 1153

    Toxicological landscape of Fuzi: a comprehensive study on the spatial distribution of toxicants and regional neurotoxicity variability in zebrafish by Xiaoqi Pan, Xiaoqi Pan, Tianyu Liang, Han Feng, Weiying Liu, Qiaoxin Mou, Xiaoyu Yan

    Published 2025-02-01
    “…Matrix-assisted laser desorption/Ionization mass spectrometry imaging (MALDI-MSI) method was employed to map the spatial distribution of six key diester-type alkaloids from Fuzi samples originating from five major regions. …”
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  14. 1154

    Computational and GC-MS screening of bioactive compounds from Thymus Vulgaris targeting mycolactone protein associated with Buruli ulcer by Muhammad Naveed, Imran Ali, Tariq Aziz, Ayesha Saleem, Zeerwah Rajpoot, Sameera Khaleel, Ayaz Ali Khan, Mitub Al-harbi, Thamer H. Albekairi

    Published 2025-01-01
    “…The Gas-Chromatography Mass Spectrometry (GCMS) analysis of the Thymus Vulgaris identified the 29 bioactive compounds as potential drug candidates having different medicinal properties. …”
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  15. 1155

    Nicotine-free vape liquids containing essential oils of peppermint, lavender, and tangerine: safety and efficacy profiles by Rahmad Aji Prasetya, Djamilah Arifiyana, Zain Budi Syulthoni

    Published 2024-11-01
    “…Thus, this study aimed to examine (1) the safety profile of this nicotine-free liquid vape by observing chemical characteristics using gas chromatography-mass spectrometry (GC-MS) and (2) its efficacy in reducing short-term anxiety in healthy volunteers who had previously used nicotine vape. …”
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  16. 1156

    Transportation increases circulating corticosterone levels and decreases central serotonergic activity in a sex dependent manner in Pekin ducks by M.M. Bergman, J.M. Schober, R. Novak, A. Grief, C. Plue, G.S. Fraley

    Published 2025-01-01
    “…Brains were hemisected and each half was dissected into three brain areas: caudal mesencephalon (CM), rostral mesencephalon (RM), and diencephalon (DI). Mass spectrometry was run on the right half of the brain, and gene expression of TPH1, TPH2, TH, CRH, and NPY were measured on the left half of brain using qRT-PCR. …”
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    Article
  17. 1157

    Development and Validation of a LC/MS/MS Method for the Determination of Duloxetine in Human Plasma and Its Application to Pharmacokinetic Study by D. Chandrapal Reddy, A. T. Bapuji, V. Surayanarayana Rao, V. Himabindu, D. Rama Raju, Syed Syedba, H. L. V. Ravikiran

    Published 2012-01-01
    “…A selective, high sensitive and high throughput liquid chromatography-tandem mass spectrometry (LC-ESI-MS/MS) method has been developed and validated for the chromatographic separation and quantitation of duloxetine in human EDTA plasma using fluoxetine (IS) as an internal standard. …”
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  18. 1158

    Increased DNA Dicarbonyl Glycation and Oxidation Markers in Patients with Type 2 Diabetes and Link to Diabetic Nephropathy by Sahar Waris, Brigitte M. Winklhofer-Roob, Johannes M. Roob, Sebastian Fuchs, Harald Sourij, Naila Rabbani, Paul J. Thornalley

    Published 2015-01-01
    “…DNA oxidation and glycation adducts were analysed in plasma and urine by stable isotopic dilution analysis liquid chromatography-tandem mass spectrometry. DNA markers analysed were as follows: the oxidation adduct 7,8-dihydro-8-oxo-2′-deoxyguanosine (8-OxodG) and glycation adducts of glyoxal and methylglyoxal—imidazopurinones GdG, MGdG, and N2-(1,R/S-carboxyethyl)deoxyguanosine (CEdG). …”
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  19. 1159

    Integrating Study on Qualitative and Quantitative Characterization of the Major Constituents in Shuanghuanglian Injection with UHPLC/Q-Orbitrap-MS and UPLC-PDA by Gen Xue, Meijuan Zhu, Ning Meng, Jianli Guan, Jide Zhang, Jing Yang, Yuefei Wang, Ying Cui, Xin Chai

    Published 2021-01-01
    “…In this study, taking advantage of ultra-high-performance liquid chromatography tandem Q-Exactive Orbitrap high-resolution mass spectrometry (UHPLC/Q-Orbitrap-MS), 31 chemical components (eight organic acids, eleven flavonoids, five iridoid glycosides, four phenylethanoid glycosides, and three lignans) in SHLI were characterized, among which 22 components were unambiguously identified by reference compounds. …”
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  20. 1160

    Effects of the Salt-Processing Method on the Pharmacokinetics and Tissue Distribution of Orally Administered Morinda officinalis How. Extract by Ji Shi, Xiaohang Ren, Jia Wang, Xiaofeng Wei, Bonan Liu, Tianzhu Jia

    Published 2020-01-01
    “…To clarify the pharmacokinetics and tissue distribution of these three compounds, we employed liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) to determine the contents of the three components in rat plasma and tissues. …”
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