Showing 201 - 220 results of 969 for search '"liquid chromatography"', query time: 0.05s Refine Results
  1. 201

    Multi-Template Molecularly Imprinted Polymeric Electrochemical Biosensors by Meltem Agar, Maisem Laabei, Hannah S. Leese, Pedro Estrela

    Published 2025-01-01
    “…Dual/multi-template molecular imprinting techniques have been applied to identify, extract, and detect many targets, from heavy metal ions to viruses, by different methods, such as high-performance liquid chromatography (HPLC), liquid chromatography–mass spectrometry (LC-MS), and piezoelectric, optical, and electrochemical methods. …”
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  2. 202

    Pathway and molecular mechanisms for malachite green biodegradation in Exiguobacterium sp. MG2. by Ji'ai Wang, Feng Gao, Zhongzhong Liu, Min Qiao, Xuemei Niu, Ke-Qin Zhang, Xiaowei Huang

    Published 2012-01-01
    “…High-pressure liquid chromatography, liquid chromatography-mass spectrometry and gas chromatography-mass spectrometry were employed to detect the catabolic pathway of MG. …”
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  3. 203

    Rapid Screening and Quantitative Determination of Active Components in Qing-Hua-Yu-Re-Formula Using UHPLC-Q-TOF/MS and HPLC-UV by Xin Shao, Jie Zhao, Xu Wang, Yi Tao

    Published 2018-01-01
    “…In the present study, rapid ultrahigh-performance liquid chromatography coupled with quadrupole-time-of-flight mass spectrometry (UHPLC-Q-TOF/MS) was used to qualitatively analyze the components of QHYRF. …”
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  4. 204

    A Review of Detection of Antibiotic Residues in Food by Surface-Enhanced Raman Spectroscopy by Jun-Fa Liang, Cheng Peng, Peiyu Li, Qiu-Xiong Ye, Yu Wang, Yun-Ting Yi, Zi-Sheng Yao, Gui-Yun Chen, Bin-Bin Zhang, Jia-Jian Lin, Qizhi Luo, Xuncai Chen

    Published 2021-01-01
    “…Traditional analytical methods, such as liquid chromatography, liquid chromatography mass spectrometry, and capillary electrophoresis, involve time-consuming sample preparation and complicated operation and require expensive instrumentation. …”
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  5. 205

    Antioxidant Activity In Vitro Guided Screening and Identification of Flavonoids Antioxidants in the Extract from Tetrastigma hemsleyanum Diels et Gilg by Li Ding, Xiaomin Zhang, Jiajia Zhang

    Published 2021-01-01
    “…Then, high-performance liquid chromatography-DPPH (HPLC-DPPH) and HPLC-hydroxyl radical scavenging methods were used to screen the antioxidant components in the extract. …”
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  6. 206

    Validation of a HPLC/FLD Method for Quantification of Tocotrienols in Human Plasma by Hui-Ling Che, Doryn Meam-Yee Tan, Puvaneswari Meganathan, Yee-Lin Gan, Ghazali Abdul Razak, Ju-Yen Fu

    Published 2015-01-01
    “…We aim to develop a simple and practical normal-phase high performance liquid chromatography method to quantify the amount of four tocotrienol homologues in human plasma. …”
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  7. 207

    Antibacterial and antioxidant potentials, detection of host origin compounds, and metabolic profiling of endophytic Bacillus spp. isolated from Rauvolfia serpentina (L.) Benth. ex... by Rusi Lata, Surendra Kumar Gond

    Published 2025-01-01
    “…This study was aimed to isolate leaf endophytic bacteria of Rauvolfia serpentina, investigate their antibacterial, antioxidant potentials and detect host-origin compound reserpine using Reverse Phase High-Performance Liquid Chromatography (RPHPLC). Untargeted analysis via Ultra High-Performance Liquid Chromatography-High-Resolution Mass Spectrometry (UHPLC-HRMS/MS) was conducted for profiling main phytochemicals in the leaves and to explore potential bioactive compounds in bacterial extracts. …”
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  8. 208

    Quantitative Analysis of Multicomponents in Qufeng Zhitong Capsule and Application of Network Pharmacology to Explore the Anti-Inflammatory Activity of Focused Compounds by Mengjie Xue, Yuting Zhao, Ying Cui, Jing Yang, Yuefei Wang, Xin Chai

    Published 2022-01-01
    “…In this study, by taking advantage of ultra-high-performance liquid chromatography tandem Q-Exactive Orbitrap high-resolution mass spectrometry, 16 chemical components such as gallic acid, protocatechuic acid, and neochlorogenic acid in QZC were characterized and unambiguously identified based on comparison with the corresponding reference standards. …”
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  9. 209

    Hormones and Hormonal Anabolics: Residues in Animal Source Food, Potential Public Health Impacts, and Methods of Analysis by Belachew B. Hirpessa, Beyza H. Ulusoy, Canan Hecer

    Published 2020-01-01
    “…Mainly, among high-performance liquid chromatography, liquid chromatography with mass spectrometry (LC-MS, LC-MS/MS), and gas chromatography with mass spectrometry (GC-MS and GC-MS/MS) methods, LC-MS/MS is being preferred because of easier sample preparation without a derivatization step and high detection and quantification capacity.…”
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  10. 210

    College of American Pathologists (CAP)/American College of Medical Genetics and Genomics (ACMG) proficiency testing for urinary glycosaminoglycan analysis: A summary of performance by Kristina Cusmano-Ozog, Dietrich Matern, Thomas Long, Nicola Longo, Sarah Young

    Published 2025-01-01
    “…The best performing methodologies for total GAG analysis and fractionation were dimethylmethylene blue-dye-binding spectrophotometric assay and liquid chromatography-tandem mass spectrometry, respectively. …”
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  11. 211

    A Comparative Phytochemical Investigation of the Greek Members of the Genus <i>Helichrysum</i> Mill., with Emphasis on the Local Endemic <i>Helichrysum amorginum</i> Boiss and Orph by Iordanis Samanidis, Nikos Krigas, Vassilis Athanasiadis, Ioannis Makrygiannis, Martha Mantiniotou, Stavros I. Lalas

    Published 2025-01-01
    “…Analysis by high-performance liquid chromatography revealed that this method increased the concentration of neochlorogenic acid and astragalin, compared to other extraction conditions. …”
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  12. 212

    Recent Developments in the Speciation and Determination of Mercury Using Various Analytical Techniques by Lakshmi Narayana Suvarapu, Sung-Ok Baek

    Published 2015-01-01
    “…This paper reviews the speciation and determination of mercury by various analytical techniques such as atomic absorption spectrometry, voltammetry, inductively coupled plasma techniques, spectrophotometry, spectrofluorometry, high performance liquid chromatography, and gas chromatography. Approximately 126 research papers on the speciation and determination of mercury by various analytical techniques published in international journals since 2013 are reviewed.…”
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  13. 213

    Genomic Analysis of a New Estrogen-Degrading Bacterial Strain, Acinetobacter sp. DSSKY-A-001 by Qing Qiu, Ping Wang, Hui Kang, Yu Wang, Kejian Tian, Hongliang Huo

    Published 2019-01-01
    “…The estrogen degradation rate and growth density of strain DSSKY-A-001 were determined by high-performance liquid chromatography and a growth assay using a microplate reader, respectively. …”
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  14. 214

    Integrating Study on Qualitative and Quantitative Characterization of the Major Constituents in Shuanghuanglian Injection with UHPLC/Q-Orbitrap-MS and UPLC-PDA by Gen Xue, Meijuan Zhu, Ning Meng, Jianli Guan, Jide Zhang, Jing Yang, Yuefei Wang, Ying Cui, Xin Chai

    Published 2021-01-01
    “…Using multiwavelength switching method, the 22 targeted components were quantified by ultra-performance liquid chromatography with photodiode array detector (UPLC-PDA) after the methodological validation. …”
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  15. 215

    Simultaneous Determination of 5 Components in the Leaves of Dimocarpus longan by Quantitative Analysis of Multicomponents by Single Marker (QAMS) Based on UPLC and HPLC by Jiani Mai, Jie Liang, XianFu Liu, LiuPing Tan, Hui Xu, YaoHua Li, YuShan Zhou, ChuanChuan Yang, ChenXi Xin

    Published 2020-01-01
    “…In this paper, a new strategy of quantitative analysis of multicomponents by a single marker (QAMS) method was first established to synchronously determine 5 components (ethyl gallate (C1), astragalin (C2), quercetin (C3), luteolin (C4), and kaempferol (C5)) in Dimocarpus longan by ultra-performance liquid chromatography (UPLC) and high-performance liquid chromatography (HPLC). …”
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  16. 216

    Improvement in Analytical Methods for Determination of Sugars in Fermented Alcoholic Beverages by Ayalew Debebe, Shibru Temesgen, Mesfin Redi-Abshiro, Bhagwan Singh Chandravanshi, Estifanos Ele

    Published 2018-01-01
    “…The main objective of this study was to improve the performance of analytical methods for the determination of sugars in fermented alcoholic beverages based on mid-infrared-partial least squares (MIR-PLS), high-performance liquid chromatography with the ultraviolet detector (HPLC-UV), high-performance liquid chromatography with the refractive index detector (HPLC-RI), and sulfuric acid methods. …”
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  17. 217

    Purification, Characterization and Antibacterial Mechanism of Plantaricin 2-1 by Mengyang LI, Xiaoxue CHE, Qingshen SUN

    Published 2025-02-01
    “…To explore the basic properties and antibacterial mechanism of bacteriocin produced by Lactobacillus plantarum L3, the strain was sub-cultured in MRS medium, and the broth was extracted by ethyl acetate extraction, followed by purification serially through dextran gel chromatography, cation exchange chromatography and reverse phase high performance liquid chromatography (RP-HPLC), and finally identified by liquid chromatography tandem mass spectrometry (LC-MS/MS). …”
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  18. 218

    Comparative analysis of phytonutrients of Moringa oleifera leaves from South Africa and Nigeria, and their antimicrobial and antioxidant potentials by UPLC-ESI-QToF-MS and OPLS-DA... by Jonathan Kayembe, Cosa Sekelwa, Kokoette Bassey

    Published 2025-01-01
    “…This study aimed to conduct a comparative analysis of the phytonutrients (nutrients protectors) or supplements, antioxidant, and antimicrobial potentials of M. oleifera leaves from Nigeria and South Africa to benchmark quality control protocols for commercial beverages such as Moringa porridge.MethodsStandard techniques, including high-performance liquid chromatography-photodiode array and ultra-high-performance liquid chromatography electrospray ionization quadruple time-of-flight mass spectrometry (UPLC-ESI-QToF-MS) and chemometrics orthogonal partial least square discriminant analysis (OPLS-DA) were employed for phytoconstituents fingerprinting. …”
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  19. 219

    The effect of trace minerals on the stability of retinol acetate, cholecalciferol and selenomethionine stability within premixes by M. Concarr, I. Sinkunaite, R. Murphy

    Published 2021-05-01
    “…The vitamin content of the four vitamin-trace mineral premixes was analysed after 14 and 84 days in storage by ultra-high performance liquid chromatography and the amount present within each of the premixes was compared to the quantity determined prior to storage. …”
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  20. 220

    From Waste to Value: Optimization of Ultrasound-Assisted Extraction of Anthocyanins and Flavonols from <i>Pistacia lentiscus</i> L. Oilcakes by Lucrezia Muti, Luana Beatriz dos Santos Nascimento, Giulia Goracci, Cassandra Detti, Cecilia Brunetti, Anna Rita Bilia, Francesco Ferrini, Antonella Gori

    Published 2025-01-01
    “…Given these properties, this study explored an innovative approach to efficiently extract anthocyanins and flavonols from <i>P. lentiscus</i> oilcakes utilizing ultrasound-assisted extraction (UAE) as an alternative to conventional solvent extraction. Liquid chromatography–mass spectrometry (LC-MS) and high-performance liquid chromatography with diode-array detection (HPLC-DAD) were used to identify and quantify the anthocyanins and flavonols, revealing the successful extraction of eight distinct anthocyanins and twenty flavonols. …”
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    Article