Showing 1,081 - 1,100 results of 1,176 for search '"liquid chromatography"', query time: 0.06s Refine Results
  1. 1081

    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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  2. 1082

    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. 1083

    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. 1084

    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. 1085

    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. 1086

    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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  7. 1087

    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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  8. 1088

    Kadukkai maathirai (Indian herbal drug) prevents hepatocellular cancer progression by enhancing GSTM1 expression and modulating β catenin transcription: in-silico and in-vivo study... by Akshatha Shetty, Shama Prasada K, Diya Rajasekhar Chinta, Ganesh Shenoy, Amruth Kiran, Vasudha Devi, Arul Amuthan, Smita Shenoy, Manjunath Shetty, Mohandas Rao K G, Nitesh Kumar

    Published 2024-10-01
    “…Hepatoprotective potential (serum AST, ALT, ALP, Bilirubin) and anticancer efficacy (body weight, nodule count, tumor progression by histopathology, expression of GSTM1 by Liquid chromatography-mass spectrometry (LC-MS), and In-silico analysis of phytoconstituents against β catenin and LRP analysis were evaluated. …”
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  9. 1089

    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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  10. 1090

    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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  11. 1091

    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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  12. 1092

    Effects of dietary l-carnosine supplementation on the growth, intestinal microbiota, and serum metabolome of fattening lambs by Yaxuan Meng, Yaxuan Meng, Yaxuan Meng, Tingting Xian, Tingting Xian, Guolei Kang, Hongna Wang, Tao Feng, Tao Feng, Tao Feng

    Published 2025-01-01
    “…The fecal microbiota was analyzed using 16S rRNA sequencing, and serum metabolites were analyzed using liquid chromatography–tandem mass spectrometry. Spearman correlation analysis was employed to assess the associations between intestinal microbiota and serum metabolite biomarkers. …”
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  13. 1093

    Breaking the biofilm barrier: Juglone derivatives as dual-action inhibitors and anti-quorum sensing agents by Muhammad Abdullah Bhatti, Atif Ali Khan Khalil, Sayed Muhammad Ata Ullah Shah Bukhari, Faisal Hanif, Mi-Jeong Ahn, Sumra Wajid Abbasi, Nazir Ahmed Lone, Wen-Jun Li, Wasim Sajjad

    Published 2025-02-01
    “…High Performance Liquid Chromatography (HPLC) was performed to analyze the acyl homoserine lactones (AHLs) signals degradation by juglone derivatives. …”
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  14. 1094

    The compensatory enrichment of sphingosine-1-phosphate on HDL in FSGS enhances the protective function of glomerular endothelial cells compared to MCD by Yunfeng Xiong, Qiuping Ye, Lifang Liu, Wanjun Lin, Yonggen Liao, Ruiyu Gao, Jiaming Xu, Xinyu Zhang, Ruoyan Chen, Sihui Chen, Qiaoling Chen, Lixin Wei

    Published 2025-01-01
    “…Western blotting was utilized to quantify p-eNOS levels and assess PI3K-AKT pathway activation. Liquid chromatography-tandem mass spectrometry (LC-MS/MS) analyzed S1P concentrations, while real-time quantitative PCR evaluated the expression of enzymes involved in S1P metabolism. …”
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  15. 1095

    In vitro anticancer effects of frankincense and its nanoemulsions for enhanced cancer cell targeting by Rayya A. Al-Balushi, Aiswarya Chaudhuri, Raghuram Kandimalla, Ashanul Haque, Khalaf M. Alenezi, Mohd. Saeed, Mohammad Changez, Thuraya Al Harthy, Mohammed Al Hinaai, Samra Siddiqui, Ashish Kumar Agrawal, Farrukh Aqil, Farrukh Aqil

    Published 2025-02-01
    “…To address these limitations, this study focuses on developing optimized nanoemulsions (NEs) of Frankincense oil (FO) to enhance its therapeutic efficacy.MethodsFrankincense resins were extracted and characterized using gas chromatography-mass spectrometry (GC-MS) and liquid chromatography-mass spectrometry (LC-MS), identifying key metabolites including isopinocarveol, α-thujene, p-cymene, carvone, germacrene A, and various methyl esters. …”
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  16. 1096

    Metabolic profiling of Perilla leaves of different colors: insights into metabolite variation and bioactive compound distribution by Senouwa Segla Koffi Dossou, Qianchun Deng, Feng Li, Lei Wang, Nanjun Jiang, Habtamu Kefale, Rong Zhou, Donghua Li, Meilian Tan, Linhai Wang

    Published 2025-01-01
    “…Thus, in this study, we applied LC-QqQ-MS (liquid chromatography triple quadrupole tandem mass spectrometry)-based widely targeted metabolic profiling to investigate variation in the metabolite profiles of green (PF1), green/purple (PF2) and purple (PF3) Perilla leaves. …”
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    Article
  17. 1097

    Prevalence of psychoactive substance use among acutely hospitalised patients in Oslo and Moscow: a cross-sectional, observational study by Stig Tore Bogstrand, Thomas Berg, Anners Lerdal, Danil Gamboa, Benedicte Jørgenrud, Evgeny A Bryun, Vigdis Vindenes, Evgenya A Koshkina, Aleksei V Nadezhdin, Saranda Kabashi, Elena J Tetenova, Anna Armika Tussilago Nyman, Alexey J Kolgashkin, Aleksei E Petukhov, Sergey N Perekhodov, Elena N Davydova, Gudmund Nordby

    Published 2020-09-01
    “…The study sites did not admit patients with surgical conditions and/or injuries.Primary and secondary outcomes The presence of psychoactive substances was determined through blood analysis using liquid chromatography-mass spectrometry. Secondary outcomes comprised demographic data (including age, gender, employment and marital status), degree of psychological distress, concurrent alcohol use, and self-reported alcohol, psychoactive drug and illicit substance use.Results 32.3% in Oslo and 12% in Moscow were positive for one or more psychoactive medicinal drugs (benzodiazepines, z-hypnotics, opioids or barbiturates). …”
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  18. 1098

    Prolonged oral coenzyme Q10-β-cyclodextrin supplementation increases skeletal muscle complex I+III activity in young Thoroughbreds by M.F. Rooney, C.E. Curley, J. Sweeney, M.E. Griffin, R.K. Porter, E.W. Hill, L.M. Katz

    Published 2020-07-01
    “…Plasma CoQ10 concentrations were determined via high-performance liquid chromatography. Skeletal muscle mitochondrial ETC combined complex I+III enzyme activity (indirect measurement of CoQ10 content) was assessed spectrophotometrically and normalised to mitochondrial abundance. …”
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  19. 1099

    Corticostriatal glutamate‐mediated dynamic therapeutic efficacy of electroacupuncture in a parkinsonian rat model by Xinxin Jiang, Min Sun, Yitong Yan, Yanhua Wang, Xinyu Fan, Jing Wei, Ke Wang, Peirong Liang, Zirui Wang, Jihan Wang, Xiaomin Wang, Jun Jia

    Published 2024-12-01
    “…Additionally, we evaluated corticostriatal spine plasticity using immunoelectron microscopy and measured the levels of dopaminergic and glutamatergic neurotransmitters through microdialysis, in vivo electrochemistry and high‐performance liquid chromatography. Neural activity dynamics were recorded by measuring local field potentials in both the motor cortex and the striatum. …”
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  20. 1100