Showing 341 - 360 results of 969 for search '"liquid chromatography"', query time: 0.04s Refine Results
  1. 341

    Chitosan-Bidens pilosa Extract-Based Coating with Enhanced Free Radical Scavenging, Antifungal, and Water Barrier Properties: Metabolite Profiling, Film Characterization, and Raspb... by Kwanele A. Nxumalo, Olaniyi A. Fawole

    Published 2023-01-01
    “…Ch-1 BP exhibited the highest (79.13%) radical scavenging activity (RSA), and control films had the lowest RSA (50.97%). Liquid chromatography-mass spectrometry analysis identified 20 metabolites, including phenolic acids (9), organic acids (8), monosaccharides (1), amino acids (1), flavonoids (1), and six unknown polyphenols. …”
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    Article
  2. 342

    Método multirresíduo de agrotóxicos em polpa de açaí empregando método QuEChERS modificado e UHPLC-MS/MS by Rafael Bel Prestes da Silva, Luana Floriano, Cleusa Fátima Zanchin, Franciele Fátima Machado, Júlia Antunes de Oliveira, Osmar Damian Prestes, Renato Zanella

    Published 2025-02-01
    “…Considering the possible use of pesticides in this species, this study aimed to develop a comprehensive method for the multiresidue determination of pesticides in açaí pulp, using a modified QuEChERS (quick, easy, cheap, effective, rugged, and safe) method with analysis by ultra-high performance liquid chromatography with tandem mass spectrometry (UHPLC-MS/MS). …”
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    Article
  3. 343

    Chitosan Hydrogels for Chondroitin Sulphate Controlled Release: An Analytical Characterization by Annalisa Bianchera, Enrico Salomi, Matteo Pezzanera, Elisabeth Ruwet, Ruggero Bettini, Lisa Elviri

    Published 2014-01-01
    “…Scanning electron microscopy (SEM), attenuated total reflectance-Fourier transform infrared spectroscopy (ATR-FTIR), and liquid chromatography-UV spectrophotometry (LC-UV) techniques were exploited to obtain qualitative and quantitative descriptions of polymer and drug behaviour in the biomaterial. …”
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    Article
  4. 344

    Simultaneous Optimization of Microwave-Assisted Extraction of Phenolic Compounds and Antioxidant Activity of Avocado (Persea americana Mill.) Seeds Using Response Surface Methodolo... by Alexander Weremfo, Felix Adulley, Martin Adarkwah-Yiadom

    Published 2020-01-01
    “…Furthermore, high-performance liquid chromatography (HPLC) analysis of optimized extract revealed the presence of 10 phenolic compounds, with rutin, catechin, and syringic acid being the dominant compounds. …”
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    Article
  5. 345

    Identification of Secondary Metabolites in Flammulina velutipes by UPLC-Q-Exactive-Orbitrap MS by Ying Ding, Sitan Chen, Honglin Wang, Shanlei Li, Changyang Ma, Jinmei Wang, Lili Cui

    Published 2021-01-01
    “…In this paper, ultrahigh-performance liquid chromatography tandem hybrid quadrupole-Orbitrap mass spectrometry (UPLC-Q-Exactive-Orbitrap MS) was used to identify the secondary metabolites of F. velutipes. …”
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  6. 346

    Development and Validation of LC-MS/MS for Analyzing Potential Genotoxic Impurities in Pantoprazole Starting Materials by Yuyuan Chen, Song Wu, Qingyun Yang

    Published 2020-01-01
    “…In this study, a sensitive and reliable liquid chromatography-tandem mass spectrometry method was developed and validated for the quantitative analysis of six PGIs in DMBZ according to the guidelines of the International Council for Harmonization (ICH). …”
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    Article
  7. 347

    Isolation and Thermal Stabilization of Bacteriocin Nisin Derived from Whey for Antimicrobial Modifications of Polymers by Pavlina Holcapkova, Zuzana Kolarova Raskova, Martina Hrabalikova, Alexandra Salakova, Jan Drbohlav, Vladimir Sedlarik

    Published 2017-01-01
    “…The nisin content in the samples was determined by high-performance liquid chromatography and electrophoresis. In addition, effect of whey fortification with lactose on nisin production and antibacterial activity studied against Staphylococcus aureus was tested. …”
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    Article
  8. 348

    Levels and Profile of Tetrodotoxins in Spawning <i>Cephalothrix mokievskii</i> (Palaeonemertea, Nemertea): Assessing the Potential Toxic Pressure on Marine Ecosystems by Grigorii V. Malykin, Peter V. Velansky, Timur Yu. Magarlamov

    Published 2025-01-01
    “…In the current study, TTXs in mature and post-spawning individuals and in the eggs of <i>C. mokievskii</i> were identified using high-performance liquid chromatography–tandem mass spectrometry. For the first time, the quantity and profile of TTXs that these nemerteans released into the environment during spawning were estimated. …”
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    Article
  9. 349

    The Residues and Risk Assessment of Sulfonamides in Animal Products by Xiao-lei Zuo, Han Ai-yun

    Published 2021-01-01
    “…Totally, 1200 samples of livestock products were collected, and the samples were detected by high-performance liquid chromatography-tandem mass spectrometry. Combined with the data of Chinese residents’ dietary survey in 2015, a nonparametric probability assessment model was constructed to assess the risk of sulfonamides in the livestock and poultry products of Shijiazhuang residents by using the professional risk assessment software @Risk. …”
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  10. 350

    Investigating the Biological Impact of Melatonin on Male Albino Mice: A Comprehensive Characterization by Hanan H. ALQaragholy

    Published 2025-01-01
    “…The plant extract was analyzed using high-performance liquid chromatography (HPLC) to find Mel. Mel concentrations differed greatly, according to the data. …”
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    Article
  11. 351

    Bisphenol and Phthalate Migration Test from Mexican Meat Packaging Using HPLC-DAD Technique by Valeria Ceballos-Luna, David Chávez-Flores, Ibiza Martínez-Serrano, Beatriz A. Rocha-Gutierrez, Myrna C. Nevárez-Rodríguez, Blanca G. Beltrán

    Published 2022-01-01
    “…The determination of these compounds was realized by high performance liquid chromatography (HPLC) and diode array detection (DAD) at a wavelength of 254 nm. …”
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    Article
  12. 352

    Pharmacokinetic Comparison of Isoalantolactone and Alantolactone in Rats after Administration Separately by Optimization of an UPLC-MS2 Method by Renjie Xu, Mengyue Wang, Ying Peng, Xiaobo Li

    Published 2014-01-01
    “…In this study, a sensitive and rapid ultraperformance liquid chromatography tandem mass spectrometry (UPLC-MS/MS) method was developed for determination of the two compounds in rat plasma, separately. …”
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    Article
  13. 353

    Simultaneous Determination of Rutin, Luteolin, Quercetin, and Betulinic Acid in the Extract of Disporopsis pernyi (Hua) Diels by UPLC by Yanqi Wang, Shuyi Li, Dandan Han, Kehan Meng, Miao Wang, Chunjie Zhao

    Published 2015-01-01
    “…An ultra-performance liquid chromatography (UPLC) analysis was developed for the determination of rutin, luteolin, quercetin, and betulinic acid in Disporopsis pernyi (Hua) Diels roots. …”
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    Article
  14. 354

    The Metabolomic Characterization of Different Types of Coronary Atherosclerotic Heart Disease in Male by Yuxuan Fan, Xianglan Quan, Shengquan Liu, Le Yue, Jizong Jiang, Zhiqing Fan

    Published 2022-01-01
    “…In this work, the metabolomic characterization of the male patients with healthy control (n = 42), stable coronary artery disease (n = 60), non-ST-elevation acute coronary syndrome (n = 45), including prepercutaneous corona intervention (n = 14), and postpercutaneous coronary intervention (n = 31) were performed by using ultra-performance liquid chromatography-mass spectrometry (UPLC-MS). The serum samples of patients were analyzed by multivariate statistics. …”
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    Article
  15. 355

    Nontarget Metabolites of Rhizomes of Edible Sacred Lotus Provide New Insights into Rhizome Browning by Chenyang Hao, Yuetong Yu, Xueting Zhang, Gangqiang Dong, Yan Liu, Sha Chen

    Published 2022-01-01
    “…In this study, 48 target metabolites were untargeted and identified in 212 rhizome cultivars (tropical and temperate types) using ultraperformance liquid chromatography-electrospray ionization quadrupole time-of-flight high-resolution mass spectrometry; among these, 32 compounds were newly reported in the rhizome. …”
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  16. 356
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  18. 358

    Rapid Discrimination of Chlorpheniramine Maleate and Assessment of Its Surface Content Uniformity in a Pharmaceutical Formulation by NIR-CI Coupled with Statistical Measurement by Luwei Zhou, Zhisheng Wu, Xinyuan Shi, Manfei Xu, Xiaona Liu, Bing Xu, Yanjiang Qiao

    Published 2014-01-01
    “…Furthermore, high-performance liquid chromatography (HPLC) was used as reference method for accurately determining volume content of CPM in the sample. …”
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    Article
  19. 359

    TiO2 thin film synthesis from complex precursors by CVD, its physical and photocatalytic properties by V. G. Besserguenev, R. J.F. Pereira, M. C. Mateus, I. V. Khmelinskii, R. C. Nicula, E. Burkel

    Published 2003-01-01
    “…The fungicide Fenarimol was chosen as chemical indicator and its degradation kinetics was followed by High-Performance Liquid Chromatography (HPLC).…”
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  20. 360

    Development and Validation of HPLC Method for the Simultaneous Determination of Five Food Additives and Caffeine in Soft Drinks by Bürge Aşçı, Şule Dinç Zor, Özlem Aksu Dönmez

    Published 2016-01-01
    “…Box-Behnken design was applied to optimize high performance liquid chromatography (HPLC) conditions for the simultaneous determination of potassium sorbate, sodium benzoate, carmoisine, allura red, ponceau 4R, and caffeine in commercial soft drinks. …”
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    Article