Showing 501 - 520 results of 969 for search '"liquid chromatography"', query time: 0.07s Refine Results
  1. 501

    Determination of Ten Flavonoids in the Raw and Fermented Fructus Aurantii by Quantitative Analysis of Multicomponents via a Single Marker (QAMS) Based on UPLC by Ting Yang, Yingying Huang, Qinru Li, Qijian Xu, Yangbing Fang, Jiangling Long, Aihua Huang, Meiqi Wang, Quan Xia

    Published 2023-01-01
    “…The viability and precision of QAMS were validated against the ultrahigh-performance liquid chromatography (UPLC), with various UPLC instruments and chromatographic conditions being evaluated. …”
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    Article
  2. 502

    Studies on Dissipations and Residues of Indoxacarb under Different Field and Environmental Conditions by Ying-Hong Li, Xiang-Yun Wang, Wei Hua, Hu Zhang

    Published 2020-01-01
    “…Indoxacarb residues were extracted from samples, cleaned up by solid phase extraction, and determined by high-performance liquid chromatography coupled with tandem mass spectrometry in the selected ion monitoring mode. …”
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  3. 503

    Hyperhomocisteinemia, hypercysteinemia, glutamate excitotoxicity, taurine deficiency at hepatitis C by V. K. Pozdeev, N. V. Pozdeev, O. Ye. Nikitina

    Published 2015-07-01
    “…Total homocysteine (tHCy), total cysteine (tCys), total glutathione (tGSH) and free aminoacids (Asp, Asn, Glu, Gln, Tau, Ser) levels were measured by high-performance liquid chromatography in plasma of 55 hepatitis C patients and 14 healthy volunteers.Results. …”
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  4. 504

    Preparation of Restricted Access Media-Molecularly Imprinted Polymers for the Detection of Chloramphenicol in Bovine Serum by Shanwen Zhao, Chanling Wei, Zhian Sun, Huachun Liu, Yanqiang Zhou, Xiaoxiao Wang, Jianmin Li, Bolin Gong

    Published 2019-01-01
    “…Using CAP-RAM-MIPs for selective separation and enrichment CAP in bovine serum in combination with high-performance liquid chromatography (HPLC), CAP recovery ranged from 94.1 to 97.9% with relative standard deviations of 0.7–1.5%. …”
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  5. 505

    Determination of (4E,6E,12E)-Tetradecatriene-8,10-diyne-1,3-diyl Diacetate in Rat Plasma and Tissues by HPLC-UV Method and Their Application to a Pharmacokinetic and Tissue Distrib... by Yan Huo, Yu-Qiang Liu, Zhong-Xu Bai, Qian Cai

    Published 2014-01-01
    “…A simple, rapid, and sensitive high performance liquid chromatography with UV detection was developed and validated for the determination of (4E,6E,12E)-tetradecatriene-8,10-diyne-1,3-diyl diacetate in rat plasma. …”
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    Article
  6. 506

    Geographical Characterization of Tunisian Olive Tree Leaves (cv. Chemlali) Using HPLC-ESI-TOF and IT/MS Fingerprinting with Hierarchical Cluster Analysis by Amani Taamalli, David Arráez Román, Ana María Gómez Caravaca, Mokhtar Zarrouk, Antonio Segura Carretero

    Published 2018-01-01
    “…The ground leaves were then extracted with methanol : water 80% (v/v) and analyzed by using high-performance liquid chromatography coupled to electrospray time of flight and ion trap mass spectrometry analyzers. …”
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    Article
  7. 507

    Development and Validation of an UHPLC-QqQ-MS Technique for Simultaneous Determination of Ten Bioactive Components in Fangji Huangqi Tang by Xiaoli Wang, Xiao Liu, Tingting Zhu, Baochang Cai

    Published 2016-01-01
    “…The aim of this study is to develop an ultrahigh performance liquid chromatography method coupled with triple quadrupole mass spectrometry for simultaneous determination of tetrandrine, fangchinoline, atractylenolide I, atractylenolide III, calycosin-7-O-β-D-glucoside, glycyrrhizin, liquiritin, isoliquiritin, liquiritigenin, and isoliquiritigenin in Fangji Huangqi Tang (FHT). …”
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  8. 508

    Effect of rutin from tartary buckwheat sprout on serum glucose-lowering in animal model of type 2 diabetes by Lee Dong-Gi, Jang Ik Soon, Yang Kyeong Eun, Yoon So-Jung, Baek Sujeong, Lee Joo Yong, Suzuki Tatsuro, Chung Keun-Yook, Woo Sun-Hee, Choi Jong-Soon

    Published 2016-06-01
    “…The rutin content in tartary buckwheat sprout (TBS) is five times higher than that found in common buckwheat sprout (CBS) as evident from high-performance liquid chromatography analysis. Administration of either rutin or TBS ethanolic extract to diabetes mice decreased the serum glucose level significantly. …”
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  9. 509

    UPLC-MS metabolite profiling and antioxidant activity of Sanghuangporus sanghuang extract by Weike Wang, Na Lu, Cheng Jiang, Guanping Chen

    Published 2025-01-01
    “…A total of 491 metabolites were investigated by Ultra-performance liquid chromatography-mass spectrometry (UPLC-MS). Most of the top 20 compounds were predicted to have various functions like antioxidant, anti-cancer and anti-inflammatory. …”
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  10. 510

    Rapid Determination of the Furaltadone Metabolite in Aquatic Products Based on Fe3O4@AuNPs/MWCNTs-COOH Immunosensor by LI Ting, HE Huange, LU Hang, LI Shuguo

    Published 2025-01-01
    “…The recovery rates of spiked crucian carp samples were between 92.78% and 102.61%, which was basically consistent with the results of high performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS). …”
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  11. 511

    The developmental lipidome of Nippostrongylus brasiliensis by Tao Wang, Michael G. Leeming, Nicholas A. Williamson, Tiffany Bouchery, Rory Doolan, Graham Le Gros, Gavin E. Reid, Nicola L. Harris, Robin B. Gasser

    Published 2025-01-01
    “…Methods The present investigation provides a comprehensive, untargeted lipidomic analysis of four developmental stages/sexes (i.e. egg, L3, adult female and adult male stages) of N. brasiliensis utilising liquid chromatography coupled to mass spectrometry. Results We identified 464 lipid species representing 18 lipid classes and revealed distinct stage-specific changes in lipid composition throughout nematode development. …”
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  12. 512

    The effects of processing steps on avenanthramides, avenacosides and β-glucan content during the production of oat-based milk alternatives by Roisin McCarron, Lisa Methven, Sameer Khalil Ghawi, Stephanie Grahl, Ruan Elliott, Stella Lignou

    Published 2025-03-01
    “…Avenanthramides and avenacosides were measured using liquid chromatography-mass spectrometry, with β-glucan determined spectrophotometrically using a modified enzymatic assay.An overall reduction of 42 % was observed in measured β-glucan, with a decanting stage a main contributing factor. …”
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  13. 513

    Systematic Characterization of the Chemical Components of Canna edulis Ker-Gawl Based on UHPLC Q-Exactive Orbitrap MS Technology by Liqiao Lv, Chi Zhang, Jiahui Wu, Dachuan Zhang, Fangyuan Zhao, Lv Bu Aga, Nan Wang, Junling Li, Leimengyuan Tang, Baosheng Zhao, Chunguo Wang, Xueyong Wang

    Published 2023-01-01
    “…An efficient approach based on ultrahigh-performance liquid chromatography coupled with Q-Exactive Orbitrap tandem mass spectrometry (UHPLC Q-Exactive Orbitrap MS) was used to analyze the chemical components systematically. …”
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  14. 514

    E-Cigarette Quality Control: Impurity and Nicotine Level Analysis in Electronic Cigarette Refill Liquids by Ismail Bennani, Madiha Alami Chentoufi, Miloud El Karbane, Amine Cheikh, Mustapha Bouatia

    Published 2020-01-01
    “…The method used for this study is known under the name of high-performance liquid chromatography. For statistical analysis, we used Student’s t-test for a single sample in order to analyze the relative differences between nicotine quantity reported in the product and the one measured during our experiment. …”
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  15. 515

    Multiomics-based assessment of the impact of airflow on diverse plant callus cultures by June-Sik Kim, Muneo Sato, Mikiko Kojima, Muchamad Imam Asrori, Yukiko Uehara-Yamaguchi, Yumiko Takebayashi, Thi Nhung Do, Thi Yen Do, Kieu Oanh Nguyen Thi, Hitoshi Sakakibara, Keiichi Mochida, Shinjiro Ogita, Masami Yokota Hirai

    Published 2025-02-01
    “…For each sample, gene expression was profiled with high-throughput RNA sequencing, 442 metabolites were measured using liquid chromatography (LC) with triple-quadrupole mass spectrometry (LC–QqQMS), and 31 phytohormones were quantified using ultra-performance LC coupled with a tandem quadrupole mass spectrometer equipped with an electrospray interface (UPLC-ESI-qMS/MS) and ultra-high-performance LC–orbitrap MS (UHPLC-Orbitrap MS). …”
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  16. 516

    Simultaneous Determination of Five Components of Chaihu-Shugan-San in Beagle Plasma by HPLC-MS/MS and Its Application to a Pharmacokinetic Study after a Single Dose of Chaihu-Shuga... by Yong-liang Zhu, Hui-jun Wang, Hao Xue, Yi Zhang, Qian-shi Cheng, Ling-yun Chen, Xiang-jun Qiu

    Published 2020-01-01
    “…The purpose of our study is to develop a reliable and sensitive high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) method to detect five components in beagle plasma and study their pharmacokinetic after oral administration of CHSGS in beagles. …”
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    Article
  17. 517

    Thermal Decarboxylation of Betacyanins in Red Beet Betalain-Rich Extract by Agnieszka Kumorkiewicz, Katarzyna Sutor, Boris Nemzer, Zbigniew Pietrzkowski, Sławomir Wybraniec

    Published 2020-02-01
    “…The first tentative structures formed by decarboxylation of the main pigment present in BRE, betanin and its diastereomer, were established by means of liquid chromatography coupled to diode array detection and electrospray ionization tandem mass spectrometry (LC-DAD-ESI-MS/MS). …”
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  18. 518

    Comparative Pharmacokinetic Studies of Four Ginsenosides in Rat Plasma by UPLC-MS/MS after Oral Administration of Panax quinquefolius-Acorus gramineus and Panax quinquefolius Extra... by Hailong Xie, Dongxue Wang, Wenjun Zhang, Xinjia Yan, Ying Zhao

    Published 2019-01-01
    “…In the present study, we simultaneously determined the contents of four main bioactive ginsenosides (Rb1, Rb2, Rd, and Re) in rat plasma using an ultrahigh-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) method. …”
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  19. 519

    A pilot exploratory study for analysis of clinical features and plasma catecholamines in blepharospasm by Lixia Zhu, Hongmei Meng, Wuqiong Zhang, Lijuan Wang, Weixuan Zhao, Jiaai Li, Nilupaer Shafeng, Huaiyu Sun, Ting Jiang, Huiqing Liu, Yu Guo, Shuai Hou

    Published 2025-01-01
    “…Plasma CA levels were measured using liquid chromatography-tandem mass spectrometry. Clinical features, plasma CAs, and metabolite contents were compared between groups. …”
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  20. 520

    Multidimensional library for the improved identification of per- and polyfluoroalkyl substances (PFAS) by Kara M. Joseph, Anna K. Boatman, James N. Dodds, Kaylie I. Kirkwood-Donelson, Jack P. Ryan, Jian Zhang, Paul A. Thiessen, Evan E. Bolton, Alan Valdiviezo, Yelena Sapozhnikova, Ivan Rusyn, Emma L. Schymanski, Erin S. Baker

    Published 2025-01-01
    “…Using a platform coupling reversed-phase liquid chromatography (RPLC), electrospray ionization (ESI) or atmospheric pressure chemical ionization (APCI), drift tube ion mobility spectrometry (IMS), and mass spectrometry (MS), the retention times, collision cross section (CCS) values, and m/z ratios were determined for all analytes and assembled into an openly available multidimensional dataset. …”
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    Article