Showing 621 - 640 results of 969 for search '"liquid chromatography"', query time: 0.12s Refine Results
  1. 621

    Evaluating Methods for Aflatoxin B1 Monitoring in Selected Food Crops Within Decentralized Agricultural Systems by Haadia Tanveer, Hannah Glesener, Blake Su, Brooke Bolsinger, Rosa Krajmalnik-Brown, Lee E. Voth-Gaeddert

    Published 2025-01-01
    “…The objectives of this study were: (1) to evaluate common AFB1 detection methods, including enzyme-linked immunosorbent assays (ELISA) and lateral-flow assays (LFA), validated via high-performance liquid chromatography (HPLC), focusing on their suitability for possible applications in decentralized, low-resource settings; and (2) to conduct a barriers-to-use assessment for commonly available AFB1 detection methods and their applicability in low-resource settings. …”
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    Article
  2. 622

    Systematic and Empirical Study of the Dependence of Polyphenol Recovery from Apricot Pomace on Temperature and Solvent Concentration Levels by Dina Cheaib, Nada El Darra, Hiba N. Rajha, Richard G. Maroun, Nicolas Louka

    Published 2018-01-01
    “…High-performance liquid chromatography (HPLC) analysis showed that polyphenols were influenced by the selectivity of the solvent as well as the properties of each phenolic compound. …”
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    Article
  3. 623

    Inhibitory Effect of Flavonoid Extract of Lotus Leaf on Alcohol-Induced Gastric Injury by Antioxidant Capacity in Mice by Yi Chen, Qin Li, Zhiping Kuang, Xin Zhao, Ruokun Yi, Xiaowei He, Guangjing Feng

    Published 2020-01-01
    “…Five compounds, including kaempferitrin, hyperoside, astragalin, phloridzin, and quercetin, were detected in FELL using high-performance liquid chromatography. Thus, FELL has an inhibitory effect on experimental alcohol-induced gastric injury because of the antioxidant capacity of the five compounds. …”
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    Article
  4. 624

    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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    Article
  5. 625

    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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    Article
  6. 626

    Phenols from Vaccinium dunalianum Wight: Secondary Mass Spectrometry Fragmentation and Neuroprotective Effect by ZHOU Tang, WANG Ji, QIAO Wenhao, LIN Zhiqi, ZHU Hongbo, CHANG Yue, HU Weiyan, ZHANG Rongping, CHEN Xinglong

    Published 2024-12-01
    “…In order to elucidate the health efficacy of Vaccinium dunalianum buds as a tea substitute and to reveal the material basis for its functionality, we studied the chemical constituents of V. dunalianum buds by using separation materials such as silica gel, MICHP-20p gel, Sephadex LH-20, and RP-18 combined with preparative and semi-preparative high performance liquid chromatography (HPLC), high-resolution mass spectrometry and nuclear magnetic resonance (NMR) spectroscopy. …”
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  7. 627

    Comparative Oil Composition Study of the Endemic Moroccan Olive (Olea europaea subsp. maroccana) and Wild Olive (var. Sylvestris) in Central West Morocco by Sara Elgadi, Ahmed Ouhammou, Hamza Zine, Nadia Maata, Rachid Ait Babahmad, Abderraouf El Antari

    Published 2021-01-01
    “…Additionally, the tocopherol content was determined using high-performance liquid chromatography. The total amount of unsaturated fatty acids was higher in maroccana (85.24%) than that in oleasters (79.05%). …”
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  8. 628

    The metabolomic approach to the comparative analysis of wild and cultivated species of oats (Avena L.) by I. G. Loskutov, T. V. Shelenga, A. V. Konarev, A. I. Shavarda, E. V. Blinova, N. I. Dzubenko

    Published 2016-12-01
    “…Metabolomic analysis employed gas liquid chromatography-mass spectrometry (GLC- MS) using an Agilent 6850 chromatographer (USA). …”
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  9. 629

    The prevalence of thiamine deficiency among elderly nursing home residents: A cross‐sectional study by Nozomu Uchida, Mayumi Ishida, Izumi Sato, Akira Yoshioka, Takao Takahashi, Daisuke Furuya, Yasuhiro Ebihara, Hiroshi Ito, Hideki Onishi

    Published 2023-05-01
    “…Blood thiamine concentrations were measured using a high‐performance liquid chromatography method, with TD defined as a concentration of <21.3 ng/mL. …”
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  10. 630

    Serum hydroxycotinine was associated with chronic kidney disease (CKD): a cross-sectional study based on NHANES by Meng’en Zhu, Zhimin Bi, Yaoling Wang, Wei Li

    Published 2024-12-01
    “…Serum hydroxycotinine was measured by an isotope-dilution high-performance liquid chromatography/atmospheric pressure chemical ionization tandem mass spectrometric (ID HPLC-APCI MS/MS) method with a lower limit of detections (LLOD) at 0.015 ng/mL. …”
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  11. 631

    Comprehensive Mass Spectrometric Analysis of Snake Fruit: Salak (Salacca zalacca) by Petra Hlásná Čepková, Michal Jágr, Dagmar Janovská, Václav Dvořáček, Anna Kotrbová Kozak, Iva Viehmannová

    Published 2021-01-01
    “…Ultrahigh performance liquid chromatography coupled to a Q-Orbitrap tandem mass spectrometer was able to detect 19 phenolic compounds in the salak pulp, including 5 flavanols, 6 phenolic acids, 2 flavonols, 1 flavone, and also 5 presumably new phenolic compounds. …”
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    Article
  12. 632

    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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  13. 633

    Development and Validation of an RP-HPLC Method for the Quantitative Analysis of Triclosan in Human Urine by Prince Karikari, James Oppong-Kyekyeku, Edmund Ekuadzi, Samuel Oppong Bekoe, Rita Opoku, Daniel Nimako Amprako, Emmanuel Addo-Yobo, Sandra Kwarteng Owusu, Bernard Arhin, Adegoke G. Falade, Ganiyu Arinola, Adeleye S. Bakarey, John I. Anetor, Kevin J. Mortimer

    Published 2023-01-01
    “…In this study, a highly sensitive, fast, and cost-effective isocratic reversed-phase high-performance liquid chromatography (RP-HPLC) method coupled with solid-phase extraction for analysis of triclosan in human urine samples was developed. …”
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    Article
  14. 634

    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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  15. 635

    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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    Article
  16. 636

    Combined metabolomics and 16S rDNA sequence analyses of the gut microbiome reveal the action mechanism of Fructus Akebiae against hepatic fibrosis by Rong-Rong Wu, Duo-Rui Nie, Fang-Hui He, Zhi-Hang Li, Fei Xu, Fei Xu, Fei Xu

    Published 2025-02-01
    “…The gut microbiota was analyzed through 16S rDNA sequencing analysis of liver metabolites using liquid chromatography-mass spectrometry. Furthermore, network pharmacology was used to determine the specific molecular regulation mechanism of FAE in hepatic fibrosis treatment.ResultsFAE treatment markedly improved the pathological changes in the hepatic fibrosis. …”
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    Article
  17. 637

    Exercise on Striatal Dopamine Level and Anxiety-Like Behavior in Male Rats after 2-VO Cerebral Ischemia by Yongzhao Fan, Xiaoyang Kong, Kun Liu, Hao Wu

    Published 2022-01-01
    “…In vivo microdialysis was used in conjunction with high performance liquid chromatography (HPLC) and electrochemical detection to ascertain the level of dopamine in the striatum. …”
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    Article
  18. 638

    Lysine Reacts with Cholesterol Hydroperoxide to Form Secosterol Aldehydes and Lysine-Secosterol Aldehyde Adducts by George Wafula Wanjala, Arnold Nola Onyango, David Rasugu Abuga, John Kamathi Muchuna, Calvin Onyango, Moses Makayoto

    Published 2020-01-01
    “…Here, we subjected cholesterol to photosensitized oxidation, which predominantly produces Ch-5α-OOH and minor amounts of the 6α- and 6β-hydroperoxides, exposed the hydroperoxide mixture to lysine in the presence of the antioxidant 2,6-ditertiary-butyl-4-hydroxytoluene (BHT), and analysed the reaction mixture by liquid chromatography-electrospray ionization-mass spectrometry. …”
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  19. 639

    Quantitative Analysis of the Multicomponent and Spectrum–Effect Correlation of the Antispasmodic Activity of Shaoyao-Gancao Decoction by Yanli Xu, Chenxi Li, Ting Chen, Xiaochun Li, Xiaoyu Wu, Qili Zhang, Lei Zhao

    Published 2022-01-01
    “…In this study, high-performance liquid chromatography (HPLC) was used to establish the fingerprint and determine the multiple components of SGD. …”
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  20. 640

    Prednisolone pharmacokinetics in dogs with protein‐losing enteropathy by Sara A. Jablonski, Jessica L. Strohmeyer, John P. Buchweitz, Andreas F. Lehner, Daniel K. Langlois

    Published 2025-01-01
    “…Total and non‐protein bound serum prednisolone concentrations were determined using liquid chromatography tandem‐mass spectrometry, and pharmacokinetics variables were derived from the drug concentration data. …”
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    Article