Showing 321 - 340 results of 562 for search '"Gas Chromatography"', query time: 0.07s Refine Results
  1. 321

    Importance of New Edible Oil Extracted from Seeds of Seven Cereals Species by Amor Slama, Ammar Cherif, Sadok Boukhchina

    Published 2021-01-01
    “…Oils were extracted by the Soxhlet method, and fatty acids were measured by gas chromatography. The present study demonstrated that the lipid content of cereal seeds ranged from 1.42% to 5.97%. …”
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    Article
  2. 322

    Serum and Brain Metabolomic Variations Reveal Perturbation of Sleep Deprivation on Rats and Ameliorate Effect of Total Ginsenoside Treatment by Xiao-jun Gou, Fang Cen, Zi-quan Fan, Ying Xu, Hong-yi Shen, Ming-mei Zhou

    Published 2017-01-01
    “…In this study, serum and brain metabolomic method based on gas chromatography coupled with mass spectrometry (GC/MS) was employed to evaluate the efficacy and study the mechanism of GS on a rat model of SD. …”
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    Article
  3. 323

    Analysis of Apple Flavours: The Use of Volatile Organic Compounds to Address Cultivar Differences and the Correlation between Consumer Appreciation and Aroma Profiling by Gareth Roberts, Natasha D. Spadafora

    Published 2020-01-01
    “…The range of volatile organic compounds (VOCs) produced by four apple cultivars was assessed by thermal desorption-gas chromatography-mass spectrometry (TD-GC-MS). To facilitate automated dynamic headspace extraction of the VOCs from bulk samples, a small multichamber thermal extraction system was used. …”
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  4. 324

    Genotoxic Effects of Etoposide, Bleomycin, and Ethyl Methanesulfonate on Cultured CHO Cells: Analysis by GC-MS/MS and Comet Assay by Donald H. Atha, Erdem Coskun, Onur Erdem, Alessandro Tona, Vytas Reipa, Bryant C. Nelson

    Published 2020-01-01
    “…To evaluate methods for analysis of genotoxic effects on mammalian cell lines, we tested the effect of three common genotoxic agents on Chinese hamster ovary (CHO) cells by single-cell gel electrophoresis (comet assay) and gas chromatography-tandem mass spectrometry (GC-MS/MS). …”
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  5. 325

    Use of aldol condensation between furfural and acetone for biofuel production: A review by Tayla Luiza Pereira Borges, Rejane de Castro Santana, André Gustavo Sato, Fábio de Ávila Rodrigues

    Published 2024-12-01
    “…Advances in analytical techniques, such as gas chromatography-mass spectrometry (GC-MS) and other state-of-the-art methods, have been instrumental in refining the characterization of heterogeneous catalysts, ensuring improved product quality and process optimization. …”
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    Article
  6. 326

    Metabolomic Evaluation of Chronic Periodontal Disease in Older Adults by Wellington F. Rodrigues, Camila B. Miguel, Ferdinando Agostinho, Gabriela V. da Silva, Javier E. Lazo-Chica, Sandra M. Naressi Scapin, Marcelo H. Napimoga, Carlos A. Trindade-da-Silva, José E. Krieger, Alexandre da Costa Pereira, Carlo J. Freire Oliveira, Siomar de Castro Soares, Carlos Ueira-Vieira

    Published 2021-01-01
    “…Participants were individuals aged 65 years or older, healthy, or with chronic periodontal disease. Gas chromatography/mass spectrometry was used to evaluate potential biomarkers in 120 crevicular fluid samples. …”
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    Article
  7. 327

    Impaired Hippocampal Glutamate and Glutamine Metabolism in the db/db Mouse Model of Type 2 Diabetes Mellitus by Jens Velde Andersen, Jakob Dahl Nissen, Sofie Kjellerup Christensen, Kia Hjulmand Markussen, Helle Sønderby Waagepetersen

    Published 2017-01-01
    “…In addition, acutely isolated cerebral cortical and hippocampal slices were incubated with [U-13C]glutamate and [U-13C]glutamine, and tissue extracts were analyzed by gas chromatography-mass spectrometry. The oxygen consumption rate using glutamate and glutamine as substrates was not different in isolated cerebral mitochondria of db/db mice compared to controls. …”
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    Article
  8. 328

    Nutritional properties, lipid oxidation, microbial growth, and sensory evaluation of beef burgers enriched with garden cress seeds powder by Huriyyah A. I. Almusawi, Randah Miqbil Alqurashi, Heba I. Mohamed, Abdelrahman R. Ahmed

    Published 2025-12-01
    “…The results showed that increasing the garden cress seeds percentage in the beef burger resulted in lower moisture content and higher ash content. Gas chromatography analysis revealed that cress seeds contained high levels of benzoic acid compounds (45.74%). …”
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    Article
  9. 329

    Ethanolic extract of black soldier fly (Hermetia illucens L.) larvae for wound healing in mice (Mus musculus L.) by Darman Agung Sandakila, Gracetia Devita Hadi, Riska Gultom, Seni Samalele, Rudy Agung Nugroho

    Published 2024-12-01
    “…The highest total DNA content was observed in the 20% BSFL group (42.25 ± 7.45 µg/mL), indicating enhanced cell proliferation. Gas Chromatography Mass Spectrophotometry analysis revealed high lauric acid content (44.27%) in the extract, known for its antibacterial properties. …”
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  10. 330

    Nematicidal potential of Microbacterium maritypicum Sneb159 against Heterodera glycines and the complete genome sequence analysis by Jing Zhao, Jing Zhao, Jing Zhao, Zhifu Xing, Aatika Sikandar, Yuxi Duan

    Published 2025-02-01
    “…Biological control provides a strategy for sustainable and environmentally friendly nematode management.MethodsIn this study, solid-phase microextraction gas chromatography-mass spectrometry (SPME-GC-MS) was used to reveal the volatile nematicidal compounds of Microbacterium maritypicum Sneb159 and the mode of action was further elucidated via whole genome sequencing.ResultsThe present study demonstrated that M. maritypicum Sneb159 fermentation broth showed strong nematicidal activities against H. glycines. …”
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  11. 331

    The Effect of Transition Metal Doping on the Photooxidation Process of Titania-Clay Composites by Judit Ménesi, Renáta Kékesi, László Kőrösi, Volker Zöllmer, André Richardt, Imre Dékány

    Published 2008-01-01
    “…The kinetics of degradation was monitored by gas chromatography. It was established that, in the case of each catalyst, ethanol degradation was more efficient in UV-C (𝜆 = 254 nm) than in visible light, furthermore, these samples containing silver or copper ions were in each case about twice more efficient than P25 TiO2 (Degussa AG.) used as a reference. …”
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    Article
  12. 332

    Chemical Constituent and Antioxidant Activity of Clove (Syzygium aromaticum) Bud and Leaf Essential Oils from Bali by I Wayan Muderawan, Pande Putu Diah Suci Laksmi, I Wayan Mudianta, Ni Wayan Martiningsih

    Published 2025-01-01
    “…The constituents of the clove essential oils were analyzed by using gas chromatography-mass spectrometry (GC-MS). Thirty-six and twenty-nine constituents were identified based on GC-MS from the clove bud and leaf essential oils, respectively. …”
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  13. 333

    GC-FID and Olfactometry-Assisted Assessment of Odors from Polymeric Foams under Normal and Repeated-Use Conditions by Alena Capíková, Daniela Tesařová, Josef Hlavaty, Adam Ekielski, Pawan Kumar Mishra

    Published 2020-01-01
    “…The samples were tested as per ČSN EN 13 725 (2005) and ISO 16000-6 (2011) criteria using GC-FID (gas chromatography-flame ionization detector) and olfactometry. …”
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  14. 334

    GC-MS Analysis, Antimicrobial and Antioxidant Activities of Extracts of the Aerial Parts of <i>Conyza sumatrensis</i> by Olapeju O Aiyelaagbe, Stephen O Oguntoye, Abdulmumeen A Hamid, Adebola M Ogundare, David B Ojo, Ajibola Ajao, Nurudeen O Owolabi

    Published 2016-05-01
    “…The extracts were also analysed using Gas chromatography – Mass spectrometry, and the chromatogram coupled with mass spectra of the compounds were matched with a standard library. …”
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  15. 335

    Fat from Tenebrionidae Bugs - Sterols Content, Fatty Acid Profiles, and Cardiovascular Risk Indexes by Jiri Mlcek, Anna Adamkova, Martin Adamek, Marie Borkovcova, Martina Bednarova, Ivana Knizkova

    Published 2019-08-01
    “…Sterols content was determined using capillary gas chromatography method. Cholesterol content was determined at 1335 mg/kg in dry matter (DM) for the mealworm, which was less than for superworm (3224 mg/kg DM). …”
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  16. 336

    Optimization of Enzymatic Hydrolysis Process of Morchella esculenta and Analysis of Volatile Flavor Compounds in Enzymatic Hydrolysate by Xiaofeng ZENG, Mi YAN, Zhixing GE, Lunjiang GAO, Xumin YIN, Yuan DIAO, Sang SHANG, Shunde ZENG

    Published 2025-02-01
    “…To optimize the enzymatic hydrolysis process of Morchella esculenta and expore the volatile flavor compounds in its enzymatic hydrolysate, the enzymatic hydrolysis was optimized by response surface design, and the key flavor compounds were identified by headspace-solid phase microextraction-gas chromatography-mass spectrometry (HS-SPME-GC-MS) combined with the odor activity value (OAV). …”
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    Article
  17. 337

    Orthogonal Design Study on Factors Affecting the Determination of Common Odors in Water Samples by Headspace Solid-Phase Microextraction Coupled to GC/MS by Shifu Peng, Zhen Ding, Weiwen Xia, Hao Zheng, Yuting Xia, Xiaodong Chen

    Published 2013-01-01
    “…These two odorants have extremely low odor threshold concentrations at ng L−1 level in the water, so a simple and sensitive method for the analysis of such trace levels was developed by headspace solid-phase microextraction coupled to gas chromatography/mass spectrometry. In this study, the orthogonal experiment design L32 (49) was applied to arrange and optimize experimental conditions. …”
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  18. 338

    Functional Characterization of Sesquiterpene Synthase from Polygonum minus by Su-Fang Ee, Zeti-Azura Mohamed-Hussein, Roohaida Othman, Noor Azmi Shaharuddin, Ismanizan Ismail, Zamri Zainal

    Published 2014-01-01
    “…The transgenic plants demonstrated smaller basal rosette leaves, shorter and fewer flowering stems, and fewer seeds compared to wild type plants. Gas chromatography-mass spectrometry analysis of the transgenic plants showed that PmSTS was responsible for the production of β-sesquiphellandrene.…”
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  19. 339

    Repellency Potential, Chemical Constituents of Ocimum Plant Essential Oils, and Their Headspace Volatiles against Anopheles gambiae s. s., Malaria Vector by Jonathan Osei-Owusu, William K. Heve, Owusu Fordjour Aidoo, Maxwell Jnr Opoku, Joseph Apau, Kodwo Ninsin Dadzie, Bright Yaw Vigbedor, Kwaafo Akoto Awuah-Mensah, Margaret Appiah, Akwasi Acheampong, Michael Birkett, Antony Hooper

    Published 2023-01-01
    “…The repellency potential and chemical composition of the plants were achieved by using the protected arm-in-cage method and gas chromatography-mass spectrometry (GC-MS) analysis. Among the three Ocimum species, both the essential oils and the headspace volatiles from O. tenuiflorum achieved the longest repellency time lengths of 90–120 minutes. …”
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    Article
  20. 340

    Urea enhances the yield and quality of bio-oil produced from corncob through pyrolysis by Sakina Ibrahim Bello, Taofik Olatunde Uthman, Serdar Surgun, Abdullahi Muhammad Sokoto

    Published 2025-01-01
    “…Fourier Transform-Infrared Spectroscopy, Gas Chromatography-Mass Spectrometry (GC–MS), Ultimate Analysis, and High Heating Value (HHV) analyses were employed to evaluate the quality of bio-oil produced. …”
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    Article