Showing 881 - 900 results of 969 for search '"liquid chromatography"', query time: 0.07s Refine Results
  1. 881

    Analytical Methods for Atmospheric Carbonyl Compounds: A Review by Xiaoshuai Gao, Xin Zhang, Yan Nie, Jiemeng Bao, Junling Li, Rui Gao, Yunfeng Li, Wei Wei, Xiaoyu Yan, Yongxin Yan, Hong Li

    Published 2025-01-01
    “…The combined use of proton transfer reaction-mass spectrometry (PTR-MS) and liquid chromatography-mass spectrometry (GC-MS) was suitable for the detection of carbonyl compounds in atmospheric photochemical smog chamber simulation studies. …”
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  2. 882

    Temporal changes in plasma and milk lipids in response to an esophageal bolus of rumen-protected fish oil in lactating Holstein dairy cows by J.E. Rico, V. Sáinz de la Maza-Escolà, N.D. Senevirathne, P. Deme, N.J. Haughey, R. Gervais, J.W. McFadden

    Published 2025-02-01
    “…Separated milk fat was analyzed for individual milk FA using gas–liquid chromatography and a flame-ionization detector. Data were analyzed under a mixed model with the random effect of cow, and the fixed effects of treatment, hour, and period. …”
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  3. 883

    Determination of Puberulic Acid in Monascus-Fermented Red Yeast Rice by LC-MS/MS Combined with Precolumn Derivatization by Hui-Qin Pan, Rui Feng, Yan-Nan Tan, Xiao-Ya Qin, Yi-Min Cao, Xiu-Hong Mao, Qing Hu, Heng Zhou

    Published 2024-12-01
    “…Comparatively, the proposed LC-MS/MS method achieved a superior detection sensitivity, over 100-fold higher than that of the liquid chromatography method. A good linear relationship within the concentration range of 5 ng/mL to 200 ng/mL (with a linear correlation coefficient of 0.99952) was demonstrated by the method validation. …”
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  4. 884

    Isolation and characterization of novel peptides from fermented products of Lactobacillus for ulcerative colitis prevention and treatment by Dong He, Wen Zeng, Yi Wang, Yifan Xing, Kang Xiong, Nan Su, Chong Zhang, Yuan Lu, Xinhui Xing

    Published 2022-11-01
    “…Herein, 4 novel peptides are identified from AC-WGAF by membrane ultrafiltration, recycling preparative high-performance liquid chromatography, and matrix-assisted laser desorption–ionization time-of-flight/time-of-flight mass spectrometry, possessing anti-colitis activity via using an in vitro model. …”
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  5. 885

    Impact of Methotrexate and 7‐Hydroxymethotrexate Exposure on Renal Toxicity in Pediatric Non‐Hodgkin Lymphoma by Hao Bing, Yi Ma, Jiamin Xu, Qixian Ling, Yanlong Duan, Libo Zhao

    Published 2025-01-01
    “…Plasma MTX and 7‐OHMTX concentrations were determined using a high‐performance liquid chromatography tandem mass spectrometry (HPLC–MS/MS) method. …”
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  6. 886

    Insulin Resistance Associated with Plasma Xanthine Oxidoreductase Activity Independent of Visceral Adiposity and Adiponectin Level: MedCity21 Health Examination Registry by Masafumi Kurajoh, Shinya Fukumoto, Takayo Murase, Takashi Nakamura, Takuma Ishihara, Hirofumi Go, Kouji Yamamoto, Shinya Nakatani, Akihiro Tsuda, Tomoaki Morioka, Katsuhito Mori, Yasuo Imanishi, Masaaki Inaba, Masanori Emoto

    Published 2019-01-01
    “…We investigated the associations of visceral fat area (VFA), serum adiponectin level, and insulin resistance with plasma XOR activity using our novel highly sensitive assay based on [13C2,15N2] xanthine and liquid chromatography/triple quadrupole mass spectrometry. …”
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  7. 887

    A multicenter, randomized, open label, two formulation, crossover bioequivalence trial of doxorubicin hydrochloride liposomal injection in Chinese patients with metastatic breast c... by Jingshu Wang, Xiuping Lai, Herui Yao, Hui Yang, Xiaolong Cao, Xiaochen Wang, Ying Wang, Weiqi Nian, Xiaodong Zheng, Qingxiu Mai, Anding Liu, Xiaozhi Lv, Xiaoying Bi, Junyi Chen, Junyan Wu, Suiwen Ye

    Published 2025-01-01
    “…Pharmacokinetic (PK) evaluation was conducted through the collection of blood samples, and the liquid chromatography tandem mass spectrometry (LC/MS/MS) method was leveraged to quantify plasma concentrations of both liposome-encapsulated doxorubicin and non-encapsulated doxorubicin in patients. …”
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    Article
  8. 888

    Maternal neonicotinoid pesticide exposure impairs glucose metabolism by deteriorating brown fat thermogenesis by Wenwen Zhu, Jiali Fang, Chenbo Ji, Hong Zhong, Tianying Zhong, Xianwei Cui

    Published 2025-01-01
    “…Urinary concentrations of seven widely used NEOs were quantified using ultra-high performance liquid chromatography multiple reaction monitoring mass spectrometry (UHPLC-MRM-MS/MS). …”
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  9. 889

    Comparison of sialic acid content in bovine and buffalo milk and meat by Michela Contò, Simona Rinaldi, Sebastiana Failla

    Published 2023-11-01
    “…The concentration of the two types of  SIAs was determined by the reverse phase (RP) high-performance liquid chromatography (HPLC) procedure of SIAs released from glycoconjugates through acidic hydrolysis and derivatized with 1,2-diamino-4,5methylen- edioxy-benzene (DMB). …”
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  10. 890

    Gut Dysbiosis and Abnormal Bile Acid Metabolism in Colitis-Associated Cancer by Li Liu, Min Yang, Wenxiao Dong, Tianyu Liu, Xueli Song, Yu Gu, Sinan Wang, Yi Liu, Zaripa Abla, Xiaoming Qiao, Wentian Liu, Kui Jiang, Bangmao Wang, Jie Zhang, Hailong Cao

    Published 2021-01-01
    “…Fecal microbiome and bile acids were detected via 16S rRNA sequencing and liquid chromatography-mass spectrometry. Results. The AOM/DSS group exhibited severe mucosal barrier impairment, inflammatory response, and tumor formation. …”
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  11. 891

    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
    “…(Türkiye) and androecia of <i>Castanea sativa</i>, <i>Salix alba</i>, and <i>Quercus pubescens</i> (apetalous trees) were evaluated for the first time by new high-performance thin-layer chromatography (HPTLC) and ultra-performance liquid chromatography (UPLC) methods using marker compounds. …”
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  12. 892

    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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  13. 893

    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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  14. 894

    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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  15. 895

    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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  16. 896

    Shramahara Mahakasya, a traditional polyherbal formulation, induces anti-anxiety activity in hippocampal neurons by effectuating SOD2-mediated protection against oxidative stress by Saakshi Saini, Viney Kumar, Swati Haldar, Samrat Chauhan, Pratibha Demiwal, Souvik Ghosh, Sumeet Gupta, Debabrata Sircar, Bidhan Mahajon, Partha Roy

    Published 2025-02-01
    “…Method: In this study, the chemical composition of SM was first identified using gas chromatography-mass spectrometry (GC-MS) and liquid chromatography-mass spectrometry (LC-MS). The antioxidant potential of SM was evaluated through antioxidant assays such as DPPH, ABTS and FRAP. …”
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  17. 897

    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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    Article
  18. 898

    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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  19. 899

    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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  20. 900

    Phytochemical Profile Screening and Selected Bioactivity of <i>Myrtus communis</i> Berries Extracts Obtained from Ultrasound-Assisted and Supercritical Fluid Extraction by Ilir Mërtiri, Gigi Coman, Mihaela Cotârlet, Mihaela Turturică, Nicoleta Balan, Gabriela Râpeanu, Nicoleta Stănciuc, Liliana Mihalcea

    Published 2025-01-01
    “…The extracts were characterized using spectrophotometric methods and Reversed-Phase High-Performance Liquid Chromatography (RP-HPLC). The UAE extract exhibited higher total flavonoid and anthocyanin content, while the SFE extract prevailed in total phenolic content and antioxidant activity in the DPPH radical screening assay. …”
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    Article