Showing 661 - 680 results of 693 for search '"Gas Chromatography"', query time: 0.11s Refine Results
  1. 661

    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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    Article
  2. 662
  3. 663

    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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  4. 664

    Comparative analysis of anticoagulant influence on PMI estimation based on porcine blood metabolomics profile measured using GC-MS by Patrycja Mojsak, Paulina Samczuk, Paulina Samczuk, Paulina Klimaszewska, Michal Burdukiewicz, Michal Burdukiewicz, Jaroslaw Chilimoniuk, Krystyna Grzesiak, Krystyna Grzesiak, Karolina Pietrowska, Justyna Ciborowska, Anna Niemcunowicz-Janica, Adam Kretowski, Adam Kretowski, Michal Ciborowski, Michal Ciborowski, Michal Szeremeta

    Published 2025-01-01
    “…Therefore, in this study, we employed gas chromatography-mass spectrometry (GC-MS)-based metabolomics to assess post-mortem changes in porcine blood samples collected with and without the addition of anticoagulant (EDTA). …”
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  5. 665

    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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  6. 666

    In vitro anticancer effects of frankincense and its nanoemulsions for enhanced cancer cell targeting by Rayya A. Al-Balushi, Aiswarya Chaudhuri, Raghuram Kandimalla, Ashanul Haque, Khalaf M. Alenezi, Mohd. Saeed, Mohammad Changez, Thuraya Al Harthy, Mohammed Al Hinaai, Samra Siddiqui, Ashish Kumar Agrawal, Farrukh Aqil, Farrukh Aqil

    Published 2025-02-01
    “…To address these limitations, this study focuses on developing optimized nanoemulsions (NEs) of Frankincense oil (FO) to enhance its therapeutic efficacy.MethodsFrankincense resins were extracted and characterized using gas chromatography-mass spectrometry (GC-MS) and liquid chromatography-mass spectrometry (LC-MS), identifying key metabolites including isopinocarveol, α-thujene, p-cymene, carvone, germacrene A, and various methyl esters. …”
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  7. 667

    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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  8. 668

    Global metabolome changes induced by environmentally relevant conditions in a marine-sourced Penicillium restrictum by Le, Van-Tuyen, Bertrand, Samuel, Brandolini-Bunlon, Marion, Gentil, Emmanuel, Robiou du Pont, Thibaut, Rabesaotra, Vony, Wielgosz-Collin, Gaëtane, Mossion, Aurélie, Grovel, Olivier

    Published 2024-03-01
    “…In this study, a combination of liquid chromatography coupled to high-resolution mass spectrometry (LC-HRMS) and gas chromatography coupled to mass spectrometry (GC-MS) analytical approaches was used to analyse the metabolic changes of a marine-sourced Penicillium restrictum strain isolated from a marine shellfish area. …”
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  9. 669
  10. 670

    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
  11. 671

    Metabolic Modulation and Potential Biomarkers of the Prognosis Identification for Severe Aortic Stenosis after TAVR by a Metabolomics Study by Yanbiao Liao, Chang Liu, Tianyuan Xiong, Mingyue Zhao, Wen Zheng, Yuan Feng, Yijian Li, Yuanweixiang Ou, Zhengang Zhao, Yong Peng, Jiafu Wei, Qiao Li, Wei Meng, Xiaojing Liu, Mao Chen

    Published 2020-01-01
    “…Liquid chromatography-mass spectrometry and gas chromatography-mass spectrometry were performed to analyze the metabolic profile before and after TAVR. …”
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    Article
  12. 672

    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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  13. 673

    Characterization of microplastics in human follicular fluid and assessment of their potential impact on mouse oocyte maturation in vitro by Danyu Ni, Kaidi Yu, Nan Yan, Xiaojiao Chen, Qijun Xie, Yuqin Yang, Wei Jiang, Ye Yang, Junqiang Zhang, Xiufeng Ling

    Published 2025-02-01
    “…Five random samples were analyzed by pyrolysis-gas chromatography-mass spectrometry, which detected four types of microplastics—Polyethylene (PE), Polypropylene (PP), Polystyrene (PS), and PVC—at varying concentrations. …”
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    Article
  14. 674

    HPLC and GC-MS analyses of phytochemicals from Ficus carica leaf extract and essential oil along with their antimicrobial properties by Maximilian Lackner, Abdelfattah Z.M. Salem, Mohamed Z.M. Salem, Abeer A. Mohamed, José Luis Ponce-Covarrubias, Shady Selim

    Published 2025-03-01
    “…The chemical compounds in the ACE were analyzed using gas chromatography-mass spectrometry (GC-MS) and high-performance liquid chromatography (HPLC-DAD (diode-array detector)), while the GC-MS was used to analyze the chemical compounds in the EO. …”
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    Article
  15. 675

    The Influences of Rootstock on the Performance of Pinot Noir (Vitis vinifera L.): Berry and Wine Composition by Yipeng Chen, Zijian Liang, Mark Krstic, Peter Clingeleffer, Kate Howell, Deli Chen, Pangzhen Zhang

    Published 2024-01-01
    “…The volatile composition was measured by headspace solid-phase microextraction (HS-SPME) coupled with gas chromatography-mass spectrometry (GC-MS). Grafting Pinot noir onto 3309C caused a reduction in the berry and wine pH without affecting the titratable acid. …”
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    Article
  16. 676

    Acaricidal and insecticidal activities of entomopathogenic nematodes combined with rosemary essential oil and bacterium-synthesized silver nanoparticles against camel tick, Hyalomm... by Bander Albogami, Hadeer Darwish, Akram Alghamdi, Ahmed BahaaEldin Darwish, Wafa Mohammed Al-Otaibi, Mohamed A. Osman, Zamzam M. Al Dhafar, Abeer Mousa Alkhaibari, Abadi M. Mashlawi, Fadi Baakdah, Ahmed Noureldeen

    Published 2025-01-01
    “…Treatments altered all biological parameters of engorged females, revealing extremely noticeable differences between the treated and untreated groups. Gas chromatography–mass spectrometry (GC-MS) analysis identified a total of 28 compounds in the R. officinalis EO. …”
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    Article
  17. 677

    Characterization of terpenoids and norisoprenoids from base and retail Qingke Baijiu by GC × GC-TOFMS and multivariate statistical analysis by Xinlei Wang, Lin Zhu, Xuebo Song, Si Jing, Fuping Zheng, Mingquan Huang, Shengbao Feng, Luzhong La

    Published 2023-01-01
    “…Thus, the terpenoids and norisoprenoids in Qingke Baijiu were investigated by headspace solid phase microextraction (HS-SPME) combined with comprehensive two-dimensional gas chromatography coupled to time-of-flight mass spectrometry (GC × GC-TOFMS). …”
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    Article
  18. 678

    花椒油中邻苯二甲酸酯类塑化剂的污染现状 及来源分析Pullution status and source analysis of phthalate plasticizers in Zanthoxylum bungeanum oil by 张家余1,2,张逸飞2,薛楚玲1,文成刚1,赵麟1,代倩1,朱翔1, 2 ZHANG Jiayu1,2, ZHANG Yifei2, XUE Chuling1, WEN Chenggang1, ZHAO Lin1,DAI Qian1, ZHU Xiang1, 2"

    Published 2025-01-01
    “…The contents of dibutyl phthalate (DBP) and bis(2-ethylhexyl)phthalate (DEHP) in 92 Zanthoxylum bungeanum oil samples were determined by gas chromatography-mass spectrometry and their pollution sources were analyzed. …”
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  19. 679

    Microplastic analysis in soils: A comparative assessment by Stoyana Peneva, Quynh Nhu Phan Le, Davi R. Munhoz, Olivia Wrigley, Flora Wille, Heidi Doose, Crispin Halsall, Paula Harkes, Michael Sander, Melanie Braun, Wulf Amelung

    Published 2025-01-01
    “…We compared analytical protocols for MiP quantification in soil, consisting of Digital, Fluorescence, Fourier-transform infrared (FTIR), and Raman Microscopy as well as quantitative Pyrolysis-Gas Chromatography-Mass Spectroscopy (Py-GC-MS) and 1-proton nuclear magnetic resonance (1H NMR) spectroscopy as detection techniques. …”
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  20. 680

    Chemical Composition of Mexicali Propolis and Its Effect on Gastric Repair in an Indomethacin-Induced Gastric Injury Murine Model by Pilar Dominguez-Verano, Nadia Jacobo-Herrera, Andrés Castell-Rodríguez, Octavio Canales-Alvarez, Maria Margarita Canales-Martinez, Marco Aurelio Rodriguez-Monroy

    Published 2025-01-01
    “…The chemical composition was analysed using HPLC—TOF—MS (High—Performance Liquid Chromatography—Time—Of—Flight Mass Spectrometry) and GC—MS (Gas Chromatography–Mass Spectrometry), and a total of 52 compounds were identified. …”
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    Article