Showing 261 - 280 results of 1,176 for search '"liquid chromatography"', query time: 0.06s Refine Results
  1. 261

    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. …”
    Get full text
    Article
  2. 262

    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. …”
    Get full text
    Article
  3. 263

    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.…”
    Get full text
    Article
  4. 264

    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. …”
    Get full text
    Article
  5. 265

    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. …”
    Get full text
    Article
  6. 266

    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). …”
    Get full text
    Article
  7. 267

    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. …”
    Get full text
    Article
  8. 268

    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). …”
    Get full text
    Article
  9. 269

    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. …”
    Get full text
    Article
  10. 270

    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. …”
    Get full text
    Article
  11. 271

    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. …”
    Get full text
    Article
  12. 272

    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. …”
    Get full text
    Article
  13. 273

    Putative Identification of 47 Compounds from Jieyu Anshen Granule and Proposal of Pharmacopeia Quality‐Assessment Strategy Using TCM‐Specific Library with UHPLC‐Q‐Exactive‐Orbitrap... by Xican Li, Jingyuan Zeng, Rongxin Cai, Chunhou Li, Xiaoshan Chen, Ban Chen, Xiaojun Zhao, Sunbal Khan

    Published 2025-01-01
    “…This study established a traditional Chinese herbal medicine‐specific library using emerging ultra‐high‐performance liquid chromatography‐quadrupole‐orbitrap‐tandem mass spectrometry analysis. …”
    Get full text
    Article
  14. 274

    Differences in the Quality Components of Wuyi Rock Tea and Huizhou Rock Tea by Zhaobao Wu, Weiwen Liao, Hongbo Zhao, Zihao Qiu, Peng Zheng, Yuxuan Liu, Xinyuan Lin, Jiyuan Yao, Ansheng Li, Xindong Tan, Binmei Sun, Hui Meng, Shaoqun Liu

    Published 2024-12-01
    “…High-performance liquid chromatography showed that the theanine contents of WS and WR were 0.183% and 0.103%, respectively, which were much higher than those of other varieties. …”
    Get full text
    Article
  15. 275

    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. …”
    Get full text
    Article
  16. 276

    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). …”
    Get full text
    Article
  17. 277

    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. …”
    Get full text
    Article
  18. 278

    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.…”
    Get full text
    Article
  19. 279

    Blanching-Induced Changes in Polyphenol Oxidase, Antioxidants and Phenolic Profile of Mangosteen Pericarp by Giroon Ijod, Nur Izzati Mohamed Nawawi, Rabiha Sulaiman, Noranizan Mohd Adzahan, Farooq Anwar, Ezzat Mohamad Azman

    Published 2024-01-01
    “…Additionally, the phenolic compounds were identified using liquid chromatography-mass spectrometry (LC-MS). Results and conclusions. …”
    Get full text
    Article
  20. 280

    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. …”
    Get full text
    Article