Showing 381 - 400 results of 693 for search '"Gas Chromatography"', query time: 0.07s Refine Results
  1. 381

    Effects of enhanced fermentation with high-yielding strains of Tetramethylpyrazine on flavor quality of Douchiba by Panpan Yang, Qin Wang, Yurou Yang, Anyan Wen, Haiying Zeng, Na Liu, Likang Qin

    Published 2025-01-01
    “…Furthermore, the concentrations of taste substances, organic acids, free amino acids, and free fatty acids in MG were significantly increased. 87 flavor compounds were detected by gas chromatography-ion mobility spectrometry. The content of aldehydes, alcohols, esters, acids, and pyrazines flavor compounds was higher in MG, with esters and alcohols being notably higher than in other groups. …”
    Get full text
    Article
  2. 382

    Development and validation of an analytical method for detecting chlorantraniliprole residues in fresh tea leaves by Tengfei Liu, Minghui Dong, Fengjie Zhou, Daifeng Yang, Xueming Zhang

    Published 2019-12-01
    “…Keywords: Multiwalled carbon nanotubes, Fresh tea leaves, Chlorantraniliprole, Dispersive solid-phase extraction, Gas chromatography…”
    Get full text
    Article
  3. 383

    When do science recommendations stop being effective? The case of the sprawl of diesel electricity generators in Beirut. by Mohammad Al Hallak, Abdul Aziz Kurdieh, Amira Yassine, Rachel El Hage, Najat Saliba

    Published 2024-01-01
    “…Sampling took place and the PPAHs samples were extracted, quantified using Gas Chromatography-Mass spectrometry (GC-MS) and source apportioned using Positive Matrix Factorization (PMF). …”
    Get full text
    Article
  4. 384

    Converting Organic Municipal Solid Waste Into Volatile Fatty Acids and Biogas: Experimental Pilot and Batch Studies With Statistical Analysis by Hojjat Borhany

    Published 2025-02-01
    “…MethodsVFA concentration, VFA weight ratio distribution, and biogas yield were quantified by gas chromatography. A t ResultsBoth HRTs were identical concerning the ratio of VFA/soluble chemical oxygen demand (0.88 kg/kg) and VFA weight ratio distribution: mainly, acetic acid (40%), butyric acid (24%), and caproic acid (17%). …”
    Get full text
    Article
  5. 385

    Electrochemical conversion of methane measured by anode out gas monitoring over Ce–Co–Cu anode electrocatalysts by Bernardo Jordão Moreira Sarruf, Robert Steinberger-Wilckens, Paulo Emílio Valadão de Miranda

    Published 2025-01-01
    “…Comparative analysis of three cell types, each with varying amounts of ceria, cobalt, and copper in their anode compositions, was conducted. Gas chromatography was employed to monitor anode effluent gases under electrochemical conditions, complemented by electrochemical impedance assessments using hydrogen as the fuel to identify polarisation sources within these innovative anode configurations. …”
    Get full text
    Article
  6. 386

    Investigating the Medicinal Potential of Lavatera cashmeriana Leaf Extract: Phytochemical Profiling and In Vitro Evaluation of Antimicrobial, Antioxidant, and Anticancer Activities by Mohmmad Ashaq Sofi, Mohd Abass Sofi, Anima Nanda, Kasi Thiruvengadam, B. K. Nayak

    Published 2024-01-01
    “…The aim was to identify the phytocompounds in L. cashmeriana leaf extract and evaluate its antibacterial, antioxidant, and anticancer effects. Gas chromatography-mass spectrometry analysis was employed to characterize the phytochemical composition of the ethanol extract derived from L. cashmeriana leaves. …”
    Get full text
    Article
  7. 387

    Enhancement of Physical Appearance, Skin Permeation, and Odor Reduction Using Liposome of Hydrolyzed Salmon Collagen for Cosmetic Products by Thanaporn Amnuaikit, Rajeev Shankar Rajagopal, Krisana Nilsuwan, Soottawat Benjakul

    Published 2024-01-01
    “…Skin permeation and odor detection of the HC-VitB3 liposome were studied using Franz’s diffusion cell and gas chromatography, respectively, and compared with HC-VitB3 solution. …”
    Get full text
    Article
  8. 388

    A straightforward Py-GC/MS methodology for quantification of microplastics in tap water by Alexander Ccanccapa-Cartagena, Anandu Nair Gopakumar, Maryam Salehi

    Published 2025-06-01
    “…This study introduces a cost-effective and streamlined Pyrolysis Gas Chromatography-Mass Spectrometry (Py-GC/MS) methodology for detecting and quantifying microplastics in tap water, focusing on seven common polymers. …”
    Get full text
    Article
  9. 389

    Chemical Compounds of Malacca Leaf (Phyllanthus emblica) after Triple Extraction with N-Hexane, Ethyl Acetate, and Ethanol by Nuzul Asmilia, Yudha Fahrimal, Mahdi Abrar, Rinidar Rinidar

    Published 2020-01-01
    “…This research was conducted to analyze the content of chemical compounds in the ethanol extract of the Malacca leaf (EEDM) using a gas chromatography-mass spectrophotometer (GC-MS). Malacca leaves were extracted by the maceration method using n-hexane, ethyl acetate, and ethanol. …”
    Get full text
    Article
  10. 390

    Physicochemical Characterization of Star Anise Silver Nanoparticles Incorporated Chitosan Biomaterial for Absorb Water and Cure Wounds by M. Prabhahar, Gomathi Kannayiram, S. Prakash, M. Saravanakumar, Sangeetha Krishnamoorthi, S. Sendilvelan, P. Rahul Senthan, T. S. Ashikmon, M. Karthik, Haiter Lenin

    Published 2022-01-01
    “…The biological potency of star anise extract was confirmed through Gas Chromatography Mass Spectroscopy, antioxidant assay, and anti-inflammatory study. …”
    Get full text
    Article
  11. 391

    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%. …”
    Get full text
    Article
  12. 392

    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. …”
    Get full text
    Article
  13. 393

    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. …”
    Get full text
    Article
  14. 394

    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). …”
    Get full text
    Article
  15. 395

    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. …”
    Get full text
    Article
  16. 396

    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. …”
    Get full text
    Article
  17. 397

    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. …”
    Get full text
    Article
  18. 398

    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%). …”
    Get full text
    Article
  19. 399

    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. …”
    Get full text
    Article
  20. 400

    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. …”
    Get full text
    Article