Showing 1,321 - 1,340 results of 1,443 for search '"Mass spectrometry"', query time: 0.12s Refine Results
  1. 1321

    Phytochemical and Bioactivity Evaluation of Bee Pollen and Androecia of <i>Castanea</i>, <i>Salix</i>, and <i>Quercus</i> Species by Nisa Beril Sen, Irena Vovk, Hasan Kırmızıbekmez, Etil Guzelmeric

    Published 2024-12-01
    “…<i>N</i><sup>1</sup>,<i>N</i><sup>5</sup>,<i>N</i><sup>10</sup>-tricaffeoylspermidine was isolated, and its structure was elucidated by nuclear magnetic resonance (NMR) and high-resolution mass spectrometry (HRMS). It was the main and the marker compound common to bee pollen (≈3–41 mg/g) and androecia (≈3–6 mg/g) samples. …”
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  2. 1322

    Changes in Phenylacetylglutamine Levels Provide Add-On Value in Risk Stratification of Hypertensive Patients: A Longitudinal Cohort Study by Xuan Xu, Lixin Jia, Bokang Qiao, Yanyan Gong, Shan Gao, Yuan Wang, Jie Du

    Published 2025-01-01
    “…Methods: We measured plasma PAGln levels using liquid chromatography tandem mass spectrometry in 1543 high-risk hypertensive patients, dividing them into a discovery cohort (n = 792) and a validation cohort (n = 751). …”
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  3. 1323

    Investigation of 23 Bile Acids in Liver Bile in Benign and Malignant Biliary Stenosis: A Pilot Study by Stanislav Rejchrt, Milos Hroch, Rudolf Repak, Tomas Fejfar, Tomas Douda, Darina Kohoutova, Eva Peterova, Jan Bures

    Published 2019-01-01
    “…Twenty-three different bile acids were investigated by high-performance liquid chromatography/mass spectrometry. Serum total bilirubin was significantly higher in patients with malignant biliary stenosis compared with nonstenotic controls (p=0.005). …”
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  4. 1324

    Comprehensive analysis of metabolomics and transcriptomics reveals varied tepal pigmentation across Gloriosa varieties by Yue Sun, Pinli Hu, Yanan Jiang, Zhenzhen Wang, Jiaxing Chang, Yiwei Zhou, Haojing Shao

    Published 2025-01-01
    “…In this study, we employed sophisticated colorimetry, Ultra Performance Liquid Chromatography-Tandem Mass Spectrometry (UPLC-MS/MS), and transcriptome sequencing to investigate the phenotypic expression of tepal colors, the composition of carotenoids and anthocyanins, and the differential gene expression in four Gloriosa varieties during their full bloom phase. …”
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  5. 1325

    Identification and Analysis of Components in Yizhi Granule and Cynomolgus Monkey Plasma after Oral Administration by UPLC/ESI-Q-TOF MS and Their Protective Effects on PC12 Cells by Erwei Hao, Jianfeng Qin, Wei Wei, Jianhua Miao, Yan Xie, Xianglong Pan, Hangxuan Wu, Jinling Xie, Xiaosu Fan, Zhengcai Du, Xiaotao Hou, Jiagang Deng

    Published 2020-01-01
    “…Here, we describe the first fast and sensitive ultraperformance liquid chromatography/electrospray ionization quadrupole time-of-flight mass spectrometry (UPLC/ESI-Q-TOF MS) method for analyzing YZG in plasma. …”
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  6. 1326

    Endothelial and neuronal engagement by AAV-BR1 gene therapy alleviates neurological symptoms and lipid deposition in a mouse model of Niemann-Pick type C2 by Charlotte Laurfelt Munch Rasmussen, Signe Frost Frederiksen, Christian Würtz Heegaard, Maj Schneider Thomsen, Eva Hede, Bartosz Laczek, Jakob Körbelin, Daniel Wüstner, Louiza Bohn Thomsen, Markus Schwaninger, Ole N. Jensen, Torben Moos, Annette Burkhart

    Published 2025-01-01
    “…The vector exerted tropism for BECs and neurons resulting in a widespread NPC2 distribution in the brain with a concomitant reduction of cholesterol in adjacent neurons, presumably not transduced by the vector. Mass spectrometry imaging revealed distinct lipid alterations in the brains of Npc2−/− mice, with increased GM2 and GM3 ganglioside accumulation in the cerebellum and hippocampus. …”
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  7. 1327

    Chemical composition and insecticidal potential of botanical fractionation extracts for the management of Sitophilus zeamais Motschulsky, 1855 (Coleoptera: Curculionidae) in stored... by Fikadu Kifle, Melaku Girma, Araya Gebresilassie, Yitbarek Woldehawariat, Estifanos Ele

    Published 2025-02-01
    “…The composition of bioactive extracts was analyzed using a gas chromatography-mass spectrometry (GC-MS) apparatus. GC-MS results of the major components of the E. globulus extract were aromandendrene (24.83 %), globulol (10.33 %), heneicosane (15.56 %), hexadecanoic acid, and methyl ester (7.50 %). …”
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  8. 1328

    Increased methane production associated with community shifts towards Methanocella in paddy soils with the presence of nanoplastics by Zhibin He, Yarong Hou, Ying Li, Qicheng Bei, Xin Li, Yong-Guan Zhu, Werner Liesack, Matthias C. Rillig, Jingjing Peng

    Published 2024-12-01
    “…Here, we employed a combination of process measurements, short-chain and long-chain fatty acid (SCFAs and LCFAs) profiling, Fourier-transform ion cyclotron resonance mass spectrometry, quantitative PCR, metagenomics, and mRNA profiling to investigate the impact of LDPE nanoplastics (NPs) on dissolved organic carbon (DOC) and CH4 production in both black and red paddy soils under anoxic incubation over a 160-day period. …”
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  9. 1329

    The accurate determination of Perfluorooctane sulfonic acid (PFOS) removal efficiency by integrated-sonochemical system by Debabrata Panda, Maxime Cochennec, Stéfan Colombano, Benjamin Laulier, Pascal Tierce, Alexandre Baudouard, Sebastian Bristeau, Anne Togola, Julie Lions, Nicolas Devau, Eric D. van Hullebusch

    Published 2025-02-01
    “…The removal and mineralization extents (defluorination) were determined by ultra-high performance liquid chromatography–mass spectrometry (UPLC-MS/MS) and ion-chromatography (IC) analysis. …”
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  10. 1330

    Metal mixtures exposure with risk of elevated serum neurofilament light chain concentrations in U.S. general adults, NHANES 2013–2014 by Yan Wang, Keyi Zhang, Hao Li, Si Liu, Linyao Ying, Lu Xiang, Na Liang, Liangkai Chen, Lin Xiao, Gang Luo

    Published 2025-01-01
    “…Methods: Twelve urinary metal levels, including barium (Ba), cadmium (Cd), cobalt (Co), cesium (Cs), molybdenum (Mo), lead (Pb), antimony (Sb), tin (Sn), strontium (Sr), thallium (Tl), tungsten (W) and uranium (U), were analyzed in U.S. general adults recruited from the 2013–2014 National Health and Nutrition Examination Survey using inductively coupled plasma mass spectrometry (ICP-MS) after a simple dilution step. …”
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  11. 1331

    Serpina3k lactylation protects from cardiac ischemia reperfusion injury by Le Wang, Dandan Li, Fang Yao, Shanshan Feng, Chao Tong, Rongjia Rao, Meiyan Zhong, Xianqiang Wang, Wei Feng, Zhan Hu, Bo Jin, Li Wang, Shengshou Hu, Bingying Zhou

    Published 2025-01-01
    “…By analyzing the lactylomes and proteomes of mouse myocardium during ischemia-reperfusion injury using mass spectrometry, we show that both Serpina3k protein expression and its lactylation at lysine 351 are increased upon reperfusion. …”
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  12. 1332

    GC-derived exosomal circMAN1A2 promotes cancer progression and suppresses T-cell antitumour immunity by inhibiting FBXW11-mediated SFPQ degradation by Yikai Shen, Jie Lin, Tianlu Jiang, Xusheng Shen, Ying Li, Yiwang Fu, Penghui Xu, Lang Fang, Zetian Chen, Hongxin Huang, Yiwen Xia, Zekuan Xu, Linjun Wang

    Published 2025-01-01
    “…The molecular mechanism of exosomal circMAN1A2 was investigated via mass spectrometry, immunoprecipitation, Western blot, and single-cell RNA-sequencing data analyses. …”
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  13. 1333

    Ethyl Acetate Extract of <i>Cichorium glandulosum</i> Activates the P21/Nrf2/HO-1 Pathway to Alleviate Oxidative Stress in a Mouse Model of Alcoholic Liver Disease by Shuwen Qi, Chunzi Zhang, Junlin Yan, Xiaoyan Ma, Yewei Zhong, Wenhui Hou, Juan Zhang, Tuxia Pang, Xiaoli Ma

    Published 2025-01-01
    “…Methods: Ultra-Performance Liquid Chromatography coupled with Quadrupole-Orbitrap Mass Spectrometry (UPLC-Q-Orbitrap-MS) was used to identify CGE components. …”
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  14. 1334

    Comparative Proteome Analysis of Epicardial and Subcutaneous Adipose Tissues from Patients with or without Coronary Artery Disease by Yu xing Zhao, Hui juan Zhu, Hui Pan, Xue mei Liu, Lin jie Wang, Hong bo Yang, Nai shi Li, Feng ying Gong, Wei Sun, Yong Zeng

    Published 2019-01-01
    “…Isobaric Tagging for Relative and Absolute Quantitation (iTRAQ) analysis combined with liquid chromatography tandem-mass spectrometry (LC-MS/MS) was performed to identify the differentially expressed proteins. …”
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  15. 1335

    Novel Thiosemicarbazone Derivatives from Furan-2-Carbaldehyde: Synthesis, Characterization, Crystal Structures, and Antibacterial, Antifungal, Antioxidant, and Antitumor Activities by Wilfredo Hernández, Fernando Carrasco, Abraham Vaisberg, Evgenia Spodine, Maik Icker, Harald Krautscheid, Lothar Beyer, Carmen Tamariz-Angeles, Percy Olivera-Gonzales

    Published 2023-01-01
    “…The prepared compounds were characterized by spectroscopic studies (FT-IR and NMR) and electrospray mass spectrometry. The molecular structures of 2, 6, 7, and 8 have also been determined by X-ray crystallography. …”
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  16. 1336

    A Study of the Relationship between the Polymorphism and Mutation of rs682429 and rs3781590 in the LRP5 Gene and Bone Metabolism in Postmenopausal Type 2 Diabetic Women in Xinjiang by Jun Li, SiYuan Li, HuiRong Zhao, JiaJia Li, Shuang Wang, YanQiu Shi

    Published 2020-01-01
    “…Calcium (Ca), phosphorus (P), alkaline phosphatase (ALP), and clinical biochemical data were determined; haemoglobin A1c (HbA1c) was measured by HPLC; BMD of the femoral neck, hip, and lumbar spine (L1-4) was measured by dual-energy X-ray (DEXA); and the rs682429 and rs3781590 polymorphisms of the LRP5 gene were detected by time-of-flight mass spectrometry (TOF MS). Results. (1) The rs682429 polymorphism of the LRP5 genotype distribution was statistically significant (P<0.05) in group B compared with group A. (2) The triglycerides (TG) of women with the CT/TT genotype (mutant type) were higher than those of women with the CC genotype (wild type) (2.37±1.30 vs. 1.52±0.83, P<0.05) at the rs3781590 site of the LRP5 gene in group D. (3) Multiple linear regression analysis showed that TG (β=0.034, P<0.05) and body mass index (BMI) (β=0.013, P<0.05) were the influencing factors of BMD (L1-4) in T2DM patients. …”
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  17. 1337
  18. 1338

    Targeting deubiquitinase USP7-mediated stabilization of XPO1 contributes to the anti-myeloma effects of selinexor by Junying Wang, Mengping Chen, Jinxing Jiang, Yike Wan, Xin Li, Minyue Zhang, Fei Xiao, Lu Zhong, Hua Zhong, Zhaoyu Qin, Jian Hou

    Published 2025-01-01
    “…Immunoprecipitation coupled with mass spectrometry (IP-MS), bioinformatics analysis and ubiquitination assays, were employed to identify the molecular targets responsible for SEL-induced degradation of XPO1. shRNA-mediated knockdown assays and small molecule inhibitors of USP7 were utilized to disrupt the function of USP7. …”
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  19. 1339

    The effects of Fraxini cortex and Andrographis herba on Escherichia coli-induced diarrhea in chicken by Yunying Wang, Zhenwei Sheng, Huicong Li, Xuewen Tan, Yingqiu Liu, Weimin Zhang, Wuren Ma, Lin Ma, Yunpeng Fan

    Published 2025-02-01
    “…The research also investigated the impact of these formulas on gut microbiota and serum metabolites in chickens, using 16S rRNA sequencing technology and metabolomics. Mass spectrometry technology and network pharmacology were used to analyze the optimal TCM formula corroborated by molecular docking and qPCR for further explore mechanism exploration. …”
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  20. 1340

    GC/MS Fatty Acid Profile of Marine-Derived Actinomycetes from Extreme Environments: Chemotaxonomic Insights and Biotechnological Potential by Marlene B. Cunha, André F. Jorge, Maria João Nunes, Joana R. Sousa, Maria João Lança, Marco Gomes da Silva, Susana P. Gaudêncio

    Published 2024-12-01
    “…Fatty acid methyl esters (FAMEs) were prepared from the ethyl acetate lipidic extracts of these strains and analyzed by gas chromatography–mass spectrometry (GC/MS), with FA identification performed using the NIST library. …”
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