Showing 1 - 20 results of 1,792 for search '"chromatography"', query time: 0.05s Refine Results
  1. 1

    Explicit relation between thin film chromatography and column chromatography conditions from statistics and machine learning by Hao Xu, Wenchao Wu, Yuntian Chen, Dongxiao Zhang, Fanyang Mo

    Published 2025-01-01
    “…This study explicitly elucidates how chemists use thin-layer chromatography (TLC) to determine column chromatography (CC) conditions, employing statistical analysis and machine learning techniques. …”
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    Article
  2. 2

    Criterion for the Quantitative Assessment of Ideal Conditions in Chromatography by A. V. Larin

    Published 1989-12-01
    “…Practical recommendations on the choice and assessment of conditions to verify the measurement of adsorption isotherms and on the calculation of chromatographic processes in accordance with the theory of ideal chromatography are given.…”
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  3. 3

    Gas chromatography-mass spectrometry in the taxonomy of Miscanthus by N. M. Slynko, N. V. Burmakina, O. M. Potseluyev, S. Yu. Kapustyanchik, G. Yu. Galitsin, T. N. Goryachkovskaya, L. V. Kuybida, S. V. Shekhovtsov, S. E. Peltek, V. K. Shumny

    Published 2020-01-01
    “…We found 153 substances and identified 143 of them in extracts of eleven Miscanthus plants by gas chromatography-mass spectrometry (GC-MS). These substances can be grouped into alkanes (20 compounds), fatty acids (34), phenols (13), sterols (18) toсopherols (8), norterpenoids (12), and phytols (13), as well as their derivatives. …”
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  4. 4

    Analysis of Tocopherols by High Performance Liquid Chromatography by B. Edison

    Published 2009-01-01
    “…: Gas chromatography is the key technique for organic components and also for tocopherols analysis. …”
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    Article
  5. 5

    Alkaloids Profiling of Fumaria capreolata by Analytical Platforms Based on the Hyphenation of Gas Chromatography and Liquid Chromatography with Quadrupole-Time-of-Flight Mass Spectrometry by María del Mar Contreras, Noureddine Bribi, Ana María Gómez-Caravaca, Julio Gálvez, Antonio Segura-Carretero

    Published 2017-01-01
    “…Two analytical platforms, gas chromatography (GC) coupled to quadrupole-time-of-flight (QTOF) mass spectrometry (MS) and reversed-phase ultrahigh performance liquid chromatography (UHPLC) coupled to diode array (DAD) and QTOF detection, were applied in order to study the alkaloid profile of Fumaria capreolata. …”
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  6. 6

    Qualitative and Quantitative Analysis of Volatile Components of Zhengtian Pills Using Gas Chromatography Mass Spectrometry and Ultra-High Performance Liquid Chromatography by Cui-ting Liu, Min Zhang, Ping Yan, Hai-chan Liu, Xing-yun Liu, Ruo-ting Zhan

    Published 2016-01-01
    “…Volatile components of ZTPs extracted by ethyl acetate with an ultrasonic method were analyzed by gas chromatography mass spectrometry (GC-MS). Twenty-two components were identified, accounting for 78.884% of the total components of volatile oil. …”
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    Thermodynamic Insights into the Separation of Carotenoids in Reversed-Phase Liquid Chromatography by Nicola Marchetti, Pier Paolo Giovannini, Martina Catani, Luisa Pasti, Alberto Cavazzini

    Published 2019-01-01
    “…., lycopene and β-carotene), was investigated in reversed-phase liquid chromatography with the aim of thermodynamic analysis. …”
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    Article
  10. 10

    Determination of Ivermectin in Medicated Feeds by Liquid Chromatography with Fluorescence Detection by Konrad Pietruk, Piotr Jedziniak

    Published 2013-01-01
    “…The fluorescent derivatives were analysed by liquid chromatography method using C8 column. The isocratic conditions using acetonitrile, methanol, water, and tetrahydrofuran were applied. …”
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  11. 11

    Characterization of aroma compounds of Pu-erh ripen tea using solvent assisted flavor evaporation coupled with gas chromatography-mass spectrometry and gas chromatography-olfactometry by Bei Wang, Qing Meng, Lin Xiao, Ruili Li, Chunhai Peng, Xueli Liao, Jingna Yan, Honglin Liu, Guanhua Xie, Chi-Tang Ho, Huarong Tong

    Published 2022-05-01
    “…In the present study, volatile compounds from Pu-erh ripen tea were extracted using a solvent assisted flavor evaporation (SAFE) and analyzed with a gas chromatography-mass spectrometry (GC-MS) and a gas chromatography olfactometry (GC-O). …”
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    Identification of Pyrrolizidine Alkaloids in Senecio Plants by Liquid Chromatography-Mass Spectrometry by An-Jing Lu, Yan-Liu Lu, Dao-Peng Tan, Lin Qin, Hua Ling, Chang-Hong Wang, Yu-Qi He

    Published 2021-01-01
    “…Based on the fragmentation regularity, the hepatoxic PAs and nonhepatoxic PAs were characterized by liquid chromatography-mass spectrometry (LC-MS). The detailed structures of PAs in five Senecio plants were identified based on tandem mass spectrometry (MS/MS) spectrum and chemical research information. …”
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    Article
  17. 17

    Determination of Morphine and Codeine in Human Urine by Gas Chromatography-Mass Spectrometry by Xiaoqian Zhang, Mengchun Chen, Gaozhong Cao, Guoxin Hu

    Published 2013-01-01
    “…A sensitive and selective gas chromatography-mass spectrometry (GC-MS) method was developed and validated for the determination of morphine and codeine in human urine. …”
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  18. 18

    Determination of the Lipophilicity of Ibuprofen, Naproxen, Ketoprofen, and Flurbiprofen with Thin-Layer Chromatography by Andrzej Czyrski

    Published 2019-01-01
    “…The reversed phase high performance thin layer chromatography was applied to determine the Log P values of ibuprofen, ketoprofen, naproxen, and flurbiprofen. …”
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  19. 19

    Determination of Benzalkonium Chloride in Nasal Drops by High-Performance Liquid Chromatography by Danijela A. Kostić, Snezana S. Mitić, Danijela Č. Nasković, Aleksandra R. Zarubica, Milan N. Mitic

    Published 2012-01-01
    “…A high-performance liquid chromatography (HPLC) system was used in the reversed phase mode for the determination of benzalkonium chloride (BKC) in nosal drops. …”
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  20. 20

    Detection of Aflatoxin and Ochratoxin A in Spices by High-Performance Liquid Chromatography by Zahra Zareshahrabadi, Robab Bahmyari, Hasti Nouraei, Hossein Khodadadi, Pouyan Mehryar, Fatemeh Asadian, Kamiar Zomorodian

    Published 2020-01-01
    “…Simultaneously, mycotoxins from spices were extracted with immunoaffinity columns (IAC) and the occurrence of AFs (B1 + B2 + G1 + G2) and OTA was then determined using high-performance liquid chromatography (HPLC) with a fluorescence detector (FD). …”
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