-
661
Physicochemical characterization of biodegradable polymer polyhydroxybutyrate from halophilic bacterium local strain Halomonas elongata
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. …”
Get full text
Article -
662
Exploring Innovative Approaches for the Analysis of Micro- and Nanoplastics: Breakthroughs in (Bio)Sensing Techniques
Published 2025-01-01“…Thermal analytical methods, including pyrolysis gas chromatography–mass spectrometry (Py-GC-MS), provide compositional insights but are destructive and limited in morphological analysis. …”
Get full text
Article -
663
Extensive Atrophic Gastritis Increases Intraduodenal Hydrogen Gas
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. …”
Get full text
Article -
664
Comparative analysis of anticoagulant influence on PMI estimation based on porcine blood metabolomics profile measured using GC-MS
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). …”
Get full text
Article -
665
GC/MS Fatty Acid Profile of Marine-Derived Actinomycetes from Extreme Environments: Chemotaxonomic Insights and Biotechnological Potential
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. …”
Get full text
Article -
666
In vitro anticancer effects of frankincense and its nanoemulsions for enhanced cancer cell targeting
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. …”
Get full text
Article -
667
Composition of antifungal volatile organic compounds in Sextonia rubra fruit by molecular networks
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. …”
Get full text
Article -
668
Global metabolome changes induced by environmentally relevant conditions in a marine-sourced Penicillium restrictum
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. …”
Get full text
Article -
669
Evolution of aroma compounds in round soy sauce aroma type baijiu during aging and the effect of aging markers on the lasting aroma in finished glass
Published 2025-01-01“…The round 1–4 SSABs were analyzed by gas chromatography–mass spectrometry and an electronic tongue over one-year aging. …”
Get full text
Article -
670
Volatile components, total phenolic compounds, and antioxidant capacities of worm-infected Gomphidius rutilus
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. …”
Get full text
Article -
671
Metabolic Modulation and Potential Biomarkers of the Prognosis Identification for Severe Aortic Stenosis after TAVR by a Metabolomics Study
Published 2020-01-01“…Liquid chromatography-mass spectrometry and gas chromatography-mass spectrometry were performed to analyze the metabolic profile before and after TAVR. …”
Get full text
Article -
672
Effect of Lactic Acid Bacteria Fermentation on Quality, Flavour and Antioxidant Activity of Rice Milk
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. …”
Get full text
Article -
673
Characterization of microplastics in human follicular fluid and assessment of their potential impact on mouse oocyte maturation in vitro
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. …”
Get full text
Article -
674
HPLC and GC-MS analyses of phytochemicals from Ficus carica leaf extract and essential oil along with their antimicrobial properties
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. …”
Get full text
Article -
675
The Influences of Rootstock on the Performance of Pinot Noir (Vitis vinifera L.): Berry and Wine Composition
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. …”
Get full text
Article -
676
Acaricidal and insecticidal activities of entomopathogenic nematodes combined with rosemary essential oil and bacterium-synthesized silver nanoparticles against camel tick, Hyalomm...
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. …”
Get full text
Article -
677
Characterization of terpenoids and norisoprenoids from base and retail Qingke Baijiu by GC × GC-TOFMS and multivariate statistical analysis
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). …”
Get full text
Article -
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
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. …”
Get full text
Article -
679
Microplastic analysis in soils: A comparative assessment
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. …”
Get full text
Article -
680
Chemical Composition of Mexicali Propolis and Its Effect on Gastric Repair in an Indomethacin-Induced Gastric Injury Murine Model
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. …”
Get full text
Article