Showing 1,701 - 1,720 results of 1,792 for search '"chromatography"', query time: 0.08s Refine Results
  1. 1701

    Phytochemical Profile Screening and Selected Bioactivity of <i>Myrtus communis</i> Berries Extracts Obtained from Ultrasound-Assisted and Supercritical Fluid Extraction by Ilir Mërtiri, Gigi Coman, Mihaela Cotârlet, Mihaela Turturică, Nicoleta Balan, Gabriela Râpeanu, Nicoleta Stănciuc, Liliana Mihalcea

    Published 2025-01-01
    “…The extracts were characterized using spectrophotometric methods and Reversed-Phase High-Performance Liquid Chromatography (RP-HPLC). The UAE extract exhibited higher total flavonoid and anthocyanin content, while the SFE extract prevailed in total phenolic content and antioxidant activity in the DPPH radical screening assay. …”
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    Article
  2. 1702

    Physicochemical characterization of biodegradable polymer polyhydroxybutyrate from halophilic bacterium local strain Halomonas elongata by W.O.S. Rizki, E. Ratnaningsih, D.G.T. Andini, S. Komariah, A.T. Simbara, R. Hertadi

    Published 2024-07-01
    “…The effect of incubation time, sodium chloride concentration, nitrogen, and carbon sources were evaluated via gas chromatography to enhance its productivity. The functional groups of isolated polyhydroxybutyrate were analyzed using nuclear magnetic resonance and Fourier transform infrared spectroscopy. …”
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  3. 1703
  4. 1704

    2′-Hydroxycinnamaldehyde induces ROS-mediated apoptosis in cancer cells by targeting PRX1 and PRX2 by Yae Jin Yoon, Yu-Jin Lee, Jiyeon Choi, Seung-Wook Chi, Sangku Lee, Kyung Chan Park, Byoung-Mog Kwon, Dong Cho Han

    Published 2025-01-01
    “…In the present study, we identified peroxiredoxin 1 (PRX1) and peroxiredoxin 2 (PRX2) as target proteins of HCA using affinity chromatography, and further confirmed these association using a cellular thermal shift assay (CETSA). …”
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    Article
  5. 1705

    Extensive Atrophic Gastritis Increases Intraduodenal Hydrogen Gas by Yoshihisa Urita, Toshiyasu Watanabe, Tadashi Maeda, Tomohiro Arita, Yosuke Sasaki, Takamasa Ishii, Tatsuhiro Yamamoto, Akiro Kugahara, Asuka Nakayama, Makie Nanami, Kaoru Domon, Susumu Ishihara, Hirohito Kato, Kazuo Hike, Norikok Hara, Shuji Watanabe, Kazushige Nakanishi, Motonobu Sugimoto, Kazumasa Miki

    Published 2008-01-01
    “…Intraluminal H2 concentrations were measured by gas chromatography. Results. Intragastric and intraduodenal H2 gas was detected in 566 (87.5%) and 524 (81.0%) patients, respectively. …”
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  6. 1706

    GC/MS Fatty Acid Profile of Marine-Derived Actinomycetes from Extreme Environments: Chemotaxonomic Insights and Biotechnological Potential by Marlene B. Cunha, André F. Jorge, Maria João Nunes, Joana R. Sousa, Maria João Lança, Marco Gomes da Silva, Susana P. Gaudêncio

    Published 2024-12-01
    “…Fatty acid methyl esters (FAMEs) were prepared from the ethyl acetate lipidic extracts of these strains and analyzed by gas chromatography–mass spectrometry (GC/MS), with FA identification performed using the NIST library. …”
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    Article
  7. 1707

    Molecular and cellular aspects of the impact of secondary metabolites from common barberry and hybrid goat’s rue on the HeLa cell line by E. Yu. Zlatnik, Ya. S. Enin, O. N. Burov, E. S. Bondarenko, A. B. Sagakyants, D. S. Kutilin, Yu. V. Dzigunova, O. G. Ishonina, E. V. Shalashnaya, N. D. Ushakova

    Published 2023-12-01
    “…The isolation and verification of all compounds used in the experiment were carried out using column chromatography and nuclear magnetic resonance methods at the Department of Natural Compounds, Faculty of Chemistry, Southern Federal University. …”
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    Article
  8. 1708

    Effects of dietary l-carnosine supplementation on the growth, intestinal microbiota, and serum metabolome of fattening lambs by Yaxuan Meng, Yaxuan Meng, Yaxuan Meng, Tingting Xian, Tingting Xian, Guolei Kang, Hongna Wang, Tao Feng, Tao Feng, Tao Feng

    Published 2025-01-01
    “…The fecal microbiota was analyzed using 16S rRNA sequencing, and serum metabolites were analyzed using liquid chromatography–tandem mass spectrometry. Spearman correlation analysis was employed to assess the associations between intestinal microbiota and serum metabolite biomarkers. …”
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  9. 1709

    Breaking the biofilm barrier: Juglone derivatives as dual-action inhibitors and anti-quorum sensing agents by Muhammad Abdullah Bhatti, Atif Ali Khan Khalil, Sayed Muhammad Ata Ullah Shah Bukhari, Faisal Hanif, Mi-Jeong Ahn, Sumra Wajid Abbasi, Nazir Ahmed Lone, Wen-Jun Li, Wasim Sajjad

    Published 2025-02-01
    “…High Performance Liquid Chromatography (HPLC) was performed to analyze the acyl homoserine lactones (AHLs) signals degradation by juglone derivatives. …”
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  10. 1710

    Composition of antifungal volatile organic compounds in Sextonia rubra fruit by molecular networks by Levasseur, Marceau, Santerre, Cyrille, Segret, Juliette, Elie, Nicolas, Genty, Christophe, Estevez, Yannick, Amusant, Nadine, Houël, Emeline, Eparvier, Véronique, Touboul, David

    Published 2023-11-01
    “…Hydrodistillation of its fruit was performed for the first time and the resulting hydrolate was analyzed by headspace-solid phase microextraction-gas chromatography-mass spectrometry (HS-SPME-GC-MS) together with the dried fruit. …”
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  11. 1711

    Corticostriatal glutamate‐mediated dynamic therapeutic efficacy of electroacupuncture in a parkinsonian rat model by Xinxin Jiang, Min Sun, Yitong Yan, Yanhua Wang, Xinyu Fan, Jing Wei, Ke Wang, Peirong Liang, Zirui Wang, Jihan Wang, Xiaomin Wang, Jun Jia

    Published 2024-12-01
    “…Additionally, we evaluated corticostriatal spine plasticity using immunoelectron microscopy and measured the levels of dopaminergic and glutamatergic neurotransmitters through microdialysis, in vivo electrochemistry and high‐performance liquid chromatography. Neural activity dynamics were recorded by measuring local field potentials in both the motor cortex and the striatum. …”
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  12. 1712
  13. 1713

    Investigating the neuroprotective effects of Dracocephalum moldavica extract and its effect on metabolomic profile of rat model of sporadic Alzheimer's disease by Marjan Talebi, Seyed Abdulmajid Ayatollahi, Mohammad Ali As’Habi, Farzad Kobarfard, Mona Khoramjouy, Farzaneh Niki Boroujeni, Mehrdad Faizi, Alireza Ghassempour

    Published 2025-02-01
    “…The DM extract was standardized and quantified based on examining total phenolic, total flavonoid, rosmarinic acid, and quercetin contents using colorimetry and high-performance liquid chromatography (HPLC) methods. The antioxidant potential of the extract was evaluated by 2,2-Diphenyl-1-picrylhydrazyl and nitric oxide radical scavenging assays. …”
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  14. 1714
  15. 1715
  16. 1716

    The normal cell proliferation and wound healing effect of polysaccharides from Ganoderma amboinense by Shuangzhi Zhao, Ming Lei, Hui Xu, Hailun He, Alexander Suvorov, Junhua Wang, Jiying Qiu, Qingxin Zhou, Jinyu Yang, Leilei Chen

    Published 2021-07-01
    “…The results showed that the GAMPS was composed of glucose, mannose, and galactose at a molar ratio of 67.62:14.07:7.50, and the weight-average molecular weights were 5.439 × 106 and 1.704 × 105 g/mol by using high-performance gel-permeation chromatography-multiple angle laser scatter (HPGPC-MALS) analysis. …”
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    Article
  17. 1717

    Clinical significance of plasma-free amino acids and tryptophan metabolites in patients with non-small cell lung cancer receiving PD-1 inhibitor: a pilot cohort study for developin... by Akihiko Kawahara, Tetsuro Sasada, Koichi Azuma, Hidenobu Ishii, Norikazu Matsuo, Takaaki Tokito, Tomoaki Hoshino, Yohei Miyagi, Huihui Xiang, Tomoyuki Tagami, Rika Kasajima, Yumiko Kato, Sachise Karakawa, Shinya Kikuchi, Akira Imaizumi, Kenta Murotani

    Published 2022-05-01
    “…The plasma concentrations of 21 PFAAs, 14 metabolites, and neopterin were measured by liquid chromatography–mass spectrometry. Using Cox hazard analysis with these variables, a multivariate model was established to stratify patient overall survival (OS). …”
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  18. 1718
  19. 1719

    Volatile components, total phenolic compounds, and antioxidant capacities of worm-infected Gomphidius rutilus by Libin Sun, Wei He, Guang Xin, Pengju Cai, Yin Zhang, Zhiyong Zhang, Yunyun Wei, Bingxin Sun, Xiaowen Wen

    Published 2018-06-01
    “…The volatile components of G. rutilus were analyzed by simultaneous distillation–extraction (SDE) and headspace solid-phase microextraction (HS-SPME) using gas chromatography–mass spectrometry (GC–MS). A total of 17 and 19 types of volatile compounds were detected, including ketones, alcohols, benzene, alkenes, aldehydes, esters, acids, and alkanes. …”
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    Article
  20. 1720

    Effect of Lactic Acid Bacteria Fermentation on Quality, Flavour and Antioxidant Activity of Rice Milk by Xiaomei GAO, Yong SUI, Zhenzhou ZHU, Shuyi LI, Lei ZHOU, Jianbin SHI, Tian XIONG, Fang CAI, Xin MEI

    Published 2025-02-01
    “…The results of gas chromatography-mass spectrometry (GC-MS) and electronic nose (E-nose) analyses showed that the types and contents of flavouring substances were significantly higher in the rice milk fermented by lactic acid bacteria compared to the control. …”
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    Article