Showing 61 - 80 results of 1,176 for search '"liquid chromatography"', query time: 0.06s Refine Results
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    Rapid and simple determination of histamine-N-methyl transferase activity by high-performance liquid chromatography with UV detection by Hajime Inoue, Ken-Ichi Hisamatsu, Miki Yamauchi, Norio Kumagai

    Published 2001-01-01
    “…Methylhistamine, which was separated from the enzymatic reaction system on reversed-phase high-performance liquid chromatography using an ion-paired chromatographic technique, was detected spectrophotometrically at 226 nm. …”
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    Article
  4. 64

    Determination of Vitamin B12 in Milk and Dairy Products by Isotope-Dilution Liquid Chromatography Tandem Mass Spectrometry by Baifen Huang, Jingshun Zhang, Mengli Wang, Zengxuan Cai

    Published 2022-01-01
    “…An isotope-dilution liquid chromatography tandem mass spectrometry method was established for the determination of vitamin B12 in milk and dairy products. …”
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    Study of Grape Polyphenols by Liquid Chromatography-High-Resolution Mass Spectrometry (UHPLC/QTOF) and Suspect Screening Analysis by Riccardo Flamini, Mirko De Rosso, Luigi Bavaresco

    Published 2015-01-01
    “…This method, coupled to liquid chromatography-high-resolution mass spectrometry, is effective in the study of grape metabolomics, in particular for characterization of flavonols, stilbene derivatives, and anthocyanins. …”
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  7. 67

    Stereospecific Assay of (R)- and (S)-Goitrin in Commercial Formulation of Radix Isatidis by Reversed Phase High-Performance Liquid Chromatography by Lixing Nie, Zhong Dai, Shuangcheng Ma

    Published 2017-01-01
    “…Compared to enantioselective resolution approaches based on normal phase chromatography, the new method could be conveniently performed using regular reversed phase high-performance liquid chromatography (RP-HPLC) equipment and was found to be more suitable for the enantioselective quality control of water-extracted and soluble medicines.…”
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  8. 68

    High performance liquid chromatography for simultaneous determination of xipamide, triamterene and hydrochlorothiazide in bulk drug samples and dosage forms by Abd El-Hay Soad S., Hashem Hisham, Gouda Ayman A.

    Published 2016-03-01
    “…A novel, simple and robust high-performance liquid chromatography (HPLC) method was developed and validated for simultaneous determination of xipamide (XIP), triamterene (TRI) and hydrochlorothiazide (HCT) in their bulk powders and dosage forms. …”
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    Article
  9. 69

    Analyses of Total Alkaloid Extract of Corydalis yanhusuo by Comprehensive RP × RP Liquid Chromatography with pH Difference by Xiaodong Wei, Hongling Shen, Lijun Wang, Qingyan Meng, Wenjie Liu

    Published 2016-01-01
    “…A comprehensive two-dimensional (2D) reverse phase (RP) liquid chromatography (LC) method is developed for alkaloid analysis. …”
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    Identification of the Related Substances in Ampicillin Capsule by Rapid Resolution Liquid Chromatography Coupled with Electrospray Ionization Tandem Mass Spectrometry by Lei Zhang, Xian Long Cheng, Yang Liu, Miao Liang, Honghuan Dong, Beiran Lv, Wenning Yang, Zhiqiang Luo, Mingmin Tang

    Published 2014-01-01
    “…Rapid Resolution Liquid Chromatography coupled with Electrospray Ionization Tandem Mass Spectrometry (RRLC-ESI-MSn) was used to separate and identify related substances in ampicillin capsule. …”
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  12. 72

    Cobalt (II)-Mediated Molecularly Imprinted Polymer as a Monolithic Stationary Phase for Separation of Racemic Citronellal by Liquid Chromatography by Suci Amalia, Nilna Assasiatur Rafika, Shova Audinia Hardiyanti, Adi Dwi Ashari, Bhisma Wildan Khabibi, Elvina Dhiaul Iftitah, Warsito Warsito, Aliya Nur Hasanah, Akhmad Sabarudin

    Published 2022-01-01
    “…A metal-mediated molecularly imprinted polymer (MMIP) monolithic column was prepared as the stationary phase for high-performance liquid chromatography (HPLC) and applied to the enantiomeric separation of rac-citronellal. …”
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  13. 73

    Comparison of Electrospray Ionization and Atmospheric Chemical Ionization Coupled with the Liquid Chromatography-Tandem Mass Spectrometry for the Analysis of Cholesteryl Esters by Hae-Rim Lee, Sunil Kochhar, Soon-Mi Shim

    Published 2015-01-01
    “…The approach of two different ionization techniques including electrospray ionization (ESI) and atmospheric pressure chemical ionization (APCI) coupled with liquid chromatography-tandem mass spectrometry (LC-MS/MS) was tested for the analysis of cholesteryl esters (CEs). …”
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  14. 74

    A New Method of Extraction and Measurement of Paraquat using BN/SPE Method Using High-Performance Liquid Chromatography by Marzieh Piryaei, Mir Mahdi Abolghasemi, Monireh Sobhi

    Published 2024-10-01
    “…Boehmite nanoparticles (BN/SPE) coupled with high-performance liquid chromatography equipped with UV detector was developed for the rapid removal of paraquat herbicide from a natural water sample. …”
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  15. 75

    Determination of Isoflavones in Soybean Flour by Matrix Solid-Phase Dispersion Extraction and Liquid Chromatography with UV-Diode Array Detection by Antonella Aresta, Pietro Cotugno, Federica Massari, Carlo Zambonin

    Published 2017-01-01
    “…A new analytical method, based on liquid chromatography (LC) with UV-diode array detection, for the simultaneous determination of daidzein, genistein, and glycitein and their 7-O-β-D-glucopyranoside (daidzin, genistin, and glycitin, resp.) has been successfully developed. …”
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    Rapid Analysis of Seven Polyamines in Nephotettix cincticeps by Using Ultra-Performance Liquid Chromatography-Triple Quadrupole Mass Spectrometry by Mingwen Zhang, Yunqiang Zhao, Zongwen Wang, Jintian Cheng

    Published 2024-01-01
    “…A fast, simple, and sensitive method for the simultaneous determination of seven polyamines in Nephotettix cincticeps was developed based on ultra-performance liquid chromatography-triple quadrupole mass spectrometry (UPLC-3Q-MS) together with liquid phase extraction. …”
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  18. 78

    Simultaneous Determination of Lamotrigine, Oxcarbazepine, Lacosamide, and Topiramate in Rat Plasma by Ultra-Performance Liquid Chromatography-Tandem Mass Spectrometry by Erjie Qiu, Lu Yu, Qishun Liang, Congcong Wen

    Published 2022-01-01
    “…This study established an ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) method to study the pharmacokinetics of four antiepileptic drugs, lamotrigine, oxcarbazepine, lacosamide, and topiramate, in rats after oral administration. …”
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  19. 79

    Application of Liquid Chromatography-Tandem Mass Spectrometry for the Detection of Paralytic Shellfish Poison in Bivalve Shellfish and Its Influencing Factors by DENG Yuxiang, WU Haiyan, XU Xizhen, ZHAO Huihui, TAN Zhijun, ZHENG Guanchao

    Published 2025-01-01
    Subjects: “…paralytic shellfish poison; bivalve shellfish; liquid chromatography-tandem mass spectrometry; influencing factors…”
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  20. 80

    Simultaneous Determination of Amphenicols and Metabolites in Animal-Derived Foods Using Ultrahigh-Performance Liquid Chromatography-Tandem Mass Spectrometry by Xinyi Wu, Xixi Shen, Xiangyue Cao, Rongrong Nie, Haonan Zhang, Changbo Tang, Wei Wang

    Published 2021-01-01
    “…We hypothesized that one can combine solid-phase extraction (SPE) with ultrahigh-performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) to simultaneously determine amphenicols and metabolites in pork, beef, lamb, chicken, and their products and meet government regulations for maximum residue limits. …”
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