Showing 221 - 240 results of 969 for search '"liquid chromatography"', query time: 0.07s Refine Results
  1. 221

    Establishment and validation of HPLC methods for the determination of folic acid and parabens antimicrobial agents on folic acid oral solution by Wenhong Wu, Ying Liang, Renbang Zhao, Yude Shi, Jiahui Hou, Jiumei Peng, Jiadi Pan, Xiaoyi Li, Jingjing Zhou

    Published 2025-01-01
    “…Both the Chinese Pharmacopoeia and the United States Pharmacopoeia use high performance liquid chromatography for the determination of folic acid, but the quantitative methods of parabens are different. …”
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    Article
  2. 222

    Simultaneous Determination of Multiple Active Components from Bushen Pills and Application in a Pharmacokinetic Study in Rats by Houli Li, Benjie Wang, Guiyan Yuan, Xiaoyan Liu, Jing Huang, Lilong Xiong, Di Zhang, Weiyi Feng, Ruichen Guo

    Published 2020-01-01
    “…Two chromatographic methods, liquid chromatography-mass spectrometry (LC-MS) and liquid chromatography-tandem mass spectrometry (LC-MS/MS), were applied to analyze the multiple active components of BSPs in dosage form for quality evaluation and in rat plasma for pharmacokinetics study, respectively. …”
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    Article
  3. 223

    Quorum Sensing Activity of Mesorhizobium sp. F7 Isolated from Potable Water by Pei-Ling Yong, Kok-Gan Chan

    Published 2014-01-01
    “…The AHL profile of the isolate was further analyzed using high resolution triple quadrupole liquid chromatography mass spectrometry (LC/MS) which confirmed the production of multiple AHLs, namely, N-3-oxo-octanoyl-L-homoserine lactone (3-oxo-C8-HSL) and N-3-oxo-decanoyl-L-homoserine lactone (3-oxo-C10-HSL). …”
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    Article
  4. 224

    Stability Indicating Analytical Method Development and Validation of Efavirenz Quantification by High Performance Liquid Chromatographic Technique by R. Kumar, M. Sharma, G. R. Verma

    Published 2011-01-01
    “…A stability-indicating high performance liquid chromatography (HPLC) method is developed for the quantification of efavirenz drug substance. …”
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  5. 225

    Efficacy of Difenoconazole Emulsifiable Concentrate with Ionic Liquids against Cucumbers Powdery Mildew by Qingrong Peng, Fengmao Liu, Chunrong Zhang

    Published 2017-01-01
    “…The results revealed that difenoconazole EC with BMPyBr (5) had excellent stability at 268 K and 327 K after 14 days through high-performance liquid chromatography (HPLC). Therefore, ILs can be considered as promising environment-friendly adjuvants for pesticides that are commercially processed as EC formulation.…”
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  6. 226

    Ion suppression correction and normalization for non-targeted metabolomics by Iqbal Mahmud, Bo Wei, Lucas Veillon, Lin Tan, Sara Martinez, Bao Tran, Alexander Raskind, Felice de Jong, Yiwei Liu, Jibin Ding, Yun Xiong, Wai-kin Chan, Rehan Akbani, John N. Weinstein, Chris Beecher, Philip L. Lorenzi

    Published 2025-02-01
    “…We evaluate the method across ion chromatography (IC), hydrophilic interaction liquid chromatography (HILIC), and reversed-phase liquid chromatography (RPLC)-MS systems in both positive and negative ionization modes, with clean and unclean ion sources, and across different biological matrices. …”
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    Article
  7. 227

    One-Step Solid Extraction for Simultaneous Determination of Eleven Commonly Used Anticancer Drugs and One Active Metabolite in Human Plasma by HPLC-MS/MS by Shouhong Gao, Zhengbo Tao, Jingya Zhou, Zhipeng Wang, Yunlei Yun, Mingming Li, Feng Zhang, Wansheng Chen, Yejun Miao

    Published 2018-01-01
    “…The Agilent G6410A triple quadrupole liquid chromatography-mass spectrometry system was operated under the multiple reaction monitoring mode with an electrospray ionization in the positive mode. …”
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    Article
  8. 228

    Phenolic Compounds Analysis of Root, Stalk, and Leaves of Nettle by Semih Otles, Buket Yalcin

    Published 2012-01-01
    “…Nettle (root, stalk and leaves) samples were analyzed by using High-Performance Liquid Chromatography with Diode-Array Detection (HPLC-DAD) to qualitative and quantitative determination of the phenolic compounds. …”
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    Article
  9. 229

    Tissue-Specific Metabolic Profiling of Mungbean (Vigna radiata L.) Genotypes with Different Seed Coat Colors by Seyoung Jeon, Byeong Cheol Kim, Jungmin Ha

    Published 2023-01-01
    “…Qualitative/quantitative analysis of individual secondary metabolites was performed with ultrahigh performance liquid chromatography (UPLC). Overall, 23 polyphenols, including flavonoids, phenylpropanoids, and anthocyanins, were identified. …”
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    Article
  10. 230

    Photodegradation of Chloridazon Using Coreshell Magnetic Nanocompsites by Dina Mamdouh Fouad, Mona Bakr Mohamed

    Published 2011-01-01
    “…Analysis of the degradation of 20 ppm chloridazon under ultraviolet (UV) and visible light was analyzed with high-performance liquid chromatography (HPLC) and UV-Visible Spectra. Influence of different parameters on the activity photodegradation rate has been studied. …”
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  11. 231

    Determination of ramipril in human plasma and its fragmentation by UPLC-Q-TOF-MS with positive electrospray ionization by Szpot Paweł, Buszewicz Grzegorz

    Published 2015-06-01
    “…This report presents the application of ultra-performance liquid chromatography coupled to quadrupole time-of-flight mass spectrometry with positive electrospray ionization, to determine ramipril in human plasma. …”
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  12. 232

    Recent Studies on the Speciation and Determination of Mercury in Different Environmental Matrices Using Various Analytical Techniques by Lakshmi Narayana Suvarapu, Sung-Ok Baek

    Published 2017-01-01
    “…This paper reviews the current research on the speciation and determination of mercury by various analytical techniques, including the atomic absorption spectrometry (AAS), voltammetry, inductively coupled plasma optical emission spectrometry (ICP-OES), ICP-mass spectrometry (MS), atomic fluorescence spectrometry (AFS), spectrophotometry, spectrofluorometry, and high performance liquid chromatography (HPLC). Approximately 96 research papers on the speciation and determination of mercury by various analytical instruments published in international journals since 2015 were reviewed. …”
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  13. 233

    A Chemical Synthesis of Benzo[a]pyrene Hapten and Its Application in a Streptavidin-Horseradish Peroxidase-Based Enzyme-Linked Immunological Analysis by Zhen Ma, Huisheng Zhuang

    Published 2018-01-01
    “…Finally, the detection results of BaP in environmental and food samples were consistent with those obtained using high-performance liquid chromatography. The proposed immunoassay is reliable and has great potential for detecting trace amounts of BaP.…”
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  14. 234

    RP-HPLC Method for the Estimation of Donepezil Hydrochloride Dosage Form by Tushar G. Barot, P. K. Patel

    Published 2009-01-01
    “…A simple and accurate methods to determine donepezil, in tablet dosage form, were developed and validated using liquid chromatography (LC). The LC separation was achieved on a Inertsil C8-3, 25 cm x 4.6-mm, 5 µ in the isocratic mode using buffer : methanol : triethylamine (550:450:5)v/v, adjusted to pH 2.50±0.05 with orthophosphoric acid, as the mobile phase at a flow rate of 1.0 mL/min. …”
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  15. 235

    Study on the Absorption and Conduction Properties of Vanisulfane in Tobacco by Xingang Meng, Fei Li, Qian Huang

    Published 2022-01-01
    “…After the tobacco plants were treated by hydroponics and foliar spraying, the contents of vanisulfane in root and stem leaf were detected by high-performance liquid chromatography tandem high-resolution mass spectrometry (UPLC-HRMS), and the position of vanisulfane in root and stem leaf was real-time observed through fluorescence two-photon confocal microscope. …”
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  16. 236

    Recent Advances in Electrochemical Glycobiosensing by Germarie Sánchez-Pomales, Rebecca A. Zangmeister

    Published 2011-01-01
    “…Although the prevalent methods of glycan analysis (high-performance liquid chromatography, mass spectrometry, and nuclear magnetic resonance spectroscopy) provide detailed identification and structural analysis of glycan species, there are significantly few low-cost, rapid glycan assays available for diagnostic and screening applications. …”
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  17. 237

    Nocardia spp. Pneumonia in a Solid Organ Recipient: Role of Linezolid by George Mwandia, Hari Polenakovik

    Published 2018-01-01
    “…(N. pseudobrasiliensis species identification based on high-performance liquid chromatography analysis) in a 68-year-old renal transplant recipient. …”
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  18. 238

    Solid-Phase Extraction Strategies to Surmount Body Fluid Sample Complexity in High-Throughput Mass Spectrometry-Based Proteomics by Marco R. Bladergroen, Yuri E. M. van der Burgt

    Published 2015-01-01
    “…Obtained peptide and protein fractions can be mass analyzed by direct infusion into an electrospray ionization (ESI) source or by means of matrix-assisted laser desorption ionization (MALDI) without further need of time-consuming liquid chromatography (LC) separations.…”
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  19. 239

    BIOTECHNOLOGICAL VIEW OF ETHANOL BIOSYNTHESIS FROM MISCANTHUS by O. V. Baibakova, E. A. Skiba

    Published 2015-01-01
    “…As shown by gas-liquid chromatography, enzymatic digestion of Miscanthus cellulose yields ethanol with low contents of esters and fusel oils. …”
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  20. 240

    Carcinogenic and Genotoxicity of some PAHs in commonly consumed smoked fish (<i>Parachanna obscura</i> and <i>Ethmalosa fimbriata) </i> by N.O. Erhunmwunse, S.A. Ekaye

    Published 2019-08-01
    “…Identification and quantitative analysis of PAHs components were achieved by Gas Chromatography/High Performance Liquid Chromatography. The result obtained showed that, Benzo(a)pyrene had an occurrence of 83.33% in all samples analysed. …”
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    Article