Showing 141 - 160 results of 1,792 for search '"chromatography"', query time: 0.07s Refine Results
  1. 141
  2. 142

    Identification and Quality Evaluation of Raw and Processed Asarum Species Using Microscopy, DNA Barcoding, and Gas Chromatography-Mass Spectrometry by Guangzhe Yao, Wenjuan Ma, Xuhua Huang, Qi Jia, Jiayuan Shen, Yanxu Chang, Huizi Ouyang, Jun He

    Published 2020-01-01
    “…In this study, 16 batches of Asarum herbs were collected, and their species were identified using DNA barcoding, which is a method for distinguishing plant species, coupled with microscopy. A gas chromatography-mass spectrometry (GC-MS) method for simultaneous determination of 10 compounds was established to evaluate the contents of raw and processed Asarum herbs. …”
    Get full text
    Article
  3. 143

    Microextraction by Packed Molecularly Imprinted Polymer Combined Ultra-High-Performance Liquid Chromatography for the Determination of Levofloxacin in Human Plasma by Jia Meng, Xu Wang

    Published 2019-01-01
    “…The DESs-MIPs-MEPS coupled with ultra-high-performance liquid chromatography (UHPLC) was used to determine levofloxacin in human plasma. …”
    Get full text
    Article
  4. 144
  5. 145
  6. 146
  7. 147
  8. 148
  9. 149

    Changes in Flavor Substances of Sauced Beef during Processing Based on the Maillard Reaction by FENG Meiqin, ZENG Xiaoqing, SUN Jian

    Published 2024-12-01
    Subjects: “…sauced beef; maillard reaction; ultra-high performance liquid chromatography-mass spectrometry; gas chromatography-mass spectrometry…”
    Get full text
    Article
  10. 150
  11. 151

    Analysis of diclofenac in water samples using in situ derivatization-vortex-assisted liquid-liquid microextraction with gas chromatography-mass spectrometry by Aydin Senar, Aydin Mehmet Emin, Beduk Fatma, Tekinay Arzu, Kilic Havva

    Published 2018-09-01
    “…DCF was derivatized and extracted simultaneously using vortex-assisted liquid-liquid micro-extraction (VALLME) prior to gas chromatography with mass spectrometry detection. The effects of extraction solvent volume, extraction and derivatization time and ionic strength of the sample were studied using 23 factorial experimental design. …”
    Get full text
    Article
  12. 152

    Purification of Anti-Mycobacterium tuberculosis MPT64 Immunoglobulin-Y from Egg-Yolk Supernatant Using Thiophilic Adsorption Chromatography by Sri Agung Fitri Kusuma, Muhammad Fadhlillah, Intan Timur Maisyarah, Shintani Ayunda Khairunnisa, Muhammad Yusuf, Yaya Rukayadi, Toto Subroto

    Published 2024-03-01
    “…Therefore, it can be summarized that thiophilic adsorption chromatography with five steps gradient of purification was an efficient process to obtain a higher purity of IgY anti-MPT64, especially to be targeted as a diagnostic kit component for MPT64 detection. …”
    Get full text
    Article
  13. 153

    Molecularly Imprinted Nanomicrospheres as Matrix Solid-Phase Dispersant Combined with Gas Chromatography for Determination of Four Phosphorothioate Pesticides in Carrot and Yacon by Mengchun Zhou, Nana Hu, Shaohua Shu, Mo Wang

    Published 2015-01-01
    “…An efficient, rapid, and selective method for sample pretreatment, namely, molecularly imprinted matrix solid-phase dispersion (MI-MSPD) coupled with gas chromatography (GC), was developed for the rapid isolation of four phosphorothioate organophosphorus pesticides (tolclofos-methyl, phoxim, chlorpyrifos, and parathion-methyl) from carrot and yacon samples. …”
    Get full text
    Article
  14. 154

    Determination of Muscone in Rats Plasma following Oral Administration of Artificial Musk: Using of Combined Headspace Gas Chromatography-Mass Spectrometry by Qibiao Wu, Haitao Li, Yujing Leng, Haishan Deng, Haibo Cheng, Weixing Shen

    Published 2014-01-01
    “…Headspace injection coupled with gas chromatography-mass spectrometry was used for quantitative analysis of muscone concentrations. …”
    Get full text
    Article
  15. 155

    Determination of 14 Human Milk Oligosaccharides in Infant Formula Milk Powder by Hydrophilic Interaction Liquid Chromatography-Tandem Mass Spectrometry by YE Mengwei, HUANG Qian, FENG Lifeng, HUANG Yuan, CAI Xiaoming, GAO Yu, WANG Tianxi, PAN Cheng

    Published 2025-02-01
    Subjects: “…infant formula milk powder; human milk oligosaccharides; hydrophilic interaction liquid chromatography-tandem mass spectrometry…”
    Get full text
    Article
  16. 156
  17. 157
  18. 158
  19. 159

    Analysis of Phenolic Acids of Jerusalem Artichoke (Helianthus tuberosus L.) Responding to Salt-Stress by Liquid Chromatography/Tandem Mass Spectrometry by Fujia Chen, Xiaohua Long, Zhaopu Liu, Hongbo Shao, Ling Liu

    Published 2014-01-01
    “…To identify and quantify the phenolic compounds in Helianthus tuberosus leaves, qualitative analysis was performed by a reversed phase high-performance liquid chromatography coupled with tandem mass spectrometry (HPLC-MS/MS) and quantitative analysis by HPLC. …”
    Get full text
    Article
  20. 160

    Disperse Solid-Phase Extraction Cleanup for the Determination of 1-Deoxynojirimycin in Mulberry Leaves with Ultraperformance Liquid Chromatography-Tandem Mass Spectrometry by Lei Zhang, Yiran Zhou, Jing Meng, Jia Li

    Published 2021-01-01
    “…Compared with methods by gas chromatography (GC) and liquid chromatography (LC) via real sample detection, the proposed method acquired better stability and detection efficiency. …”
    Get full text
    Article