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601
Occurrence and bioaccumulation of organophosphate flame retardants in high-altitude regions: A comprehensive field survey in Qinghai Province, China
Published 2025-01-01“…Herein, a general pretreatment method for OPFRs across various sample matrices was established and combined with gas chromatography-mass spectrometry (GC-MS), utilizing a programmed temperature ramp in the vaporization chamber to enable high-throughput detection of OPFRs in various environmental matrices. …”
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602
HEMPSEED AND COTTONSEED OILS IN THE ACCESSIONS FROM THE VIR COLLECTION AS SOURCES OF FUNCTIONAL FOOD INGREDIENTS
Published 2019-10-01“…The PUFA profile was measured using gas chromatography with mass spectrometry equipment (Agilent 6850, USA). …”
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603
Comparing the Structural and Physicochemical Properties of Highland Barley <i>β</i>-Glucan from Different Sources: A Focus on Color
Published 2025-01-01“…The molecular weight (M<sub>w</sub>) of BBG, LBG, and WBG were 55.87 kDa, 65.19 kDa, and 81.59 kDa, respectively. 4-Glc(p), 3-Glc(p), and t-Glc(p) accounted for a larger proportion (>90%) of the total methylated residues according to gas chromatography–mass spectrometry (GC-MS) analysis. Additionally, Fourier transform infrared (FT-IR) spectroscopy revealed that the <i>β</i>-linkage of LBG had a greater capacity to develop stronger hydrogen bonds, due to the absence of 3,4-Glc(p). …”
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604
Toxicity Assessment of the Xanthid Crab Demania cultripes from Cebu Island, Philippines
Published 2010-01-01“…Toxin profiles as determined by high-performance liquid chromatography-fluorescent detection analysis (HPLC-FLD) revealed that TTX was the main toxic principle accounting for about 90% of the total toxicity along with 4-epi TTX and 4,9-anhydroTTX. Furthermore, gas chromatography-mass spectrometry (GC-MS) analysis revealed mass fragment ion peaks at m/z 376, 392 and 407, which were characteristic of the quinazoline skeleton (C9-base) specific to TTX. …”
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605
Skeletal Site-Specific Lipid Profile and Hematopoietic Progenitors of Bone Marrow Adipose Tissue in Patients Undergoing Primary Hip Arthroplasty
Published 2025-01-01“…BM, BMAT, and gfSAT were explored at the levels of total lipids, fatty acids, and cells by using thin-layerand gas chromatography, ex vivo cellular assays, and flow cytometry. …”
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606
Chemical composition and insecticidal activity of Mentha rotundifolia and Chrysanthemum coronarium essential oils against the tomato leaf miner, Tuta absoluta
Published 2025-01-01“…The chemical composition of EOs obtained by steam distillation from the leaves of the plants was analyzed by gas chromatography coupled with mass spectrometry (GC-MS). …”
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607
Comparative Analysis of Chemical Composition and Antibacterial Activity of Essential Oils from Five Varieties of <i>Lavender</i> Extracted via Supercritical Fluid Extraction
Published 2025-01-01“…This study aimed to determine the chemical composition of five <i>Lavender</i> essential oils (LEOs) using the gas chromatography–mass spectroscopy technique and to assess their antibacterial activity against four marine <i>Vibrio</i> species, including <i>Shewanella algae</i>, <i>Shewanella maridflavi</i>, <i>Vibrio harveyi</i>, and <i>Vibrio alginolyticus</i>. …”
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608
Novel Perspectives for Sensory Analysis Applied to Piperaceae and Aromatic Herbs: A Pilot Study
Published 2025-01-01“…In this pilot study as a first step, each studied botanical, belonging to Piperaceae or aromatic herbs, has been subjected to headspace solid phase micro-extraction (HS-SPME) coupled with gas-chromatography mass spectrometry (GC-MS) analysis to assess their spontaneous volatile emission, representing the complex chemical pattern, which encounters the consumers’ olfactory perception. …”
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609
Saussurea gossypiphora extracts reduce inflammation by reversing inflammatory cytokine levels in in-vitro and in-vivo
Published 2025-02-01“…Methods: The antioxidant activities of Methanolic extracts of flowers of Saussurea gossypiphora (MESGD) were examined using 1,1-diphenyl-2-picrylhydrazyl assay. Gas Chromatography Mass Spectrometric investigation revealed the presence of various bio-active constituents. …”
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610
Determination of antioxidant and phytochemical properties of premix extract of brown macroalgae Padinaaustralis, Sargassum licifolium and Stoechospermum marginatum from Chabahar co...
Published 2024-03-01“…Sterol was measured by gas chromatography, while phenol, flavonoids and antioxidant activity were measured by spectrophotometer. …”
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611
Assessment of oat varieties with different levels of breeding refinement from the Vavilov Institute’s collection applying the method of metabolomic profiling
Published 2022-04-01“…Metabolomic profiling data obtained through gas chromatography coupled with mass spectrometry are presented. …”
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612
Comprehensive Evaluation of Quality Characteristics and Processing Suitability of Different Varieties of Large-fruited Sea Buckthorn Juice from Xinjiang Using Multivariate Analysis...
Published 2025-02-01“…This study assessed the quality characteristics juice and processing suitability of six varieties of large-fruited sea buckthorn juice from Xinjiang using gas chromatography-ion mobility spectroscopy (GC-IMS) and multivariate physicochemical analysis combined with correlation and principal component analysis. …”
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613
Assessment of Volatile Chemical Composition of the Essential Oil of Jatropha ribifolia (Pohl) Baill by HS-SPME-GC-MS Using Different Fibers
Published 2013-01-01“…The Clevenger extractor was utilized in hydrodistillation of oil and chemical composition determined by gas chromatography coupled with mass spectrometry detector (GC-MS). …”
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614
Optimization of the "Loose Tea Blooming" Process for Guizhou Green Tea and Analysis of Characteristic Volatile Compounds
Published 2025-01-01“…Concurrently, volatile compounds in both the raw material and the final product were detected using headspace solid phase microextraction-gas chromatography-mass spectrometry (HS-SPME-GC-MS), followed by an analysis of the characteristic volatile compounds. …”
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615
Evaluation of Airborne Particulate Matter and Volatile Organic Compounds Released by Three Types of Mosquito Repellents
Published 2024-03-01“…PM was measured with a scanning mobility particle sizer (SMPS) and optical particle spectrometer (OPS) in an exposure chamber; VOCs were collected with Tenax TA and analyzed by gas chromatography-mass spectrometry. SMPS measurements in the range of 10–420 nm showed that the coil-types had the highest concentration (13,048 particles cm‒3), followed by the mat-types (119 particles cm‒3), and liquid-types (42 particles cm‒3). …”
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616
Study on exhaled volatile organic compounds identifying cognitive fatigue induced by N-back task in healthy young adults
Published 2025-01-01“…Exhaled VOCs were collected and detected using a Bio-VOC sampler and Thermal Desorption Gas Chromatography-Mass Spectroscopy method. The differences in exhaled VOCs between the pre- and post-induction and film watching was evaluated using either the paired t-test or the Wilcoxon signed-rank test. …”
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617
Dynamically Cyclic Fe2+/Fe3+ Active Sites as Electron and Proton-Feeding Centers Boosting CO2 Photoreduction Powered by Benzyl Alcohol Oxidation
Published 2025-01-01“…More importantly, in situ attenuated total reflection Fourier transform infrared spectroscopy and gas chromatography–mass spectrometry spectroscopy, with isotope labeling of Deuteron-benzyl alcohol and 13CO2, confirmed that proton transfer from the hydroxyl group generates reactive protons at the Fe2+/Fe3+ site, enabling efficient CO2 photoreduction through subsequent protonation steps. …”
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618
Metabolite profiling in assessing ulcerative colitis activity: A systematic review
Published 2025-03-01“…Qualitative analysis was performed according to the classification of gas chromatography/mass spectrometry, liquid chromatography/mass spectrometry, or nuclear magnetic resonance. …”
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619
Classification of Strawberry Maturity Stages and Varieties Using Neural Networks Based on Volatile Organic Compounds
Published 2025-01-01“…A comprehensive VOC dataset was rapidly collected using gas chromatography-ion mobility spectrometry (GC-IMS) from five strawberry varieties at four maturity stages (n = 300) and visualized through principal component analysis (PCA). …”
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620
Widely targeted metabolomics analysis reveals the dynamically changes in volatile metabolites during xiaoqu baijiu fermentation
Published 2025-01-01“…In this study, ultra-performance liquid chromatography–tandem mass spectrometry and gas chromatography–tandem mass spectrometry were used to analyze a widely targeted metabolome during the xiaoqu baijiu fermentation process. …”
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