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681
Hydrocarbon generation, expulsion, and retention characteristics of the Permian Fengcheng shale and Lucaogou shale in the Junggar Basin: implications for the exploration of lacustr...
Published 2025-01-01“…This study establishes hydrocarbon generation patterns for the Fengcheng shale and Lucaogou shale using a semi-open thermal simulation system, combined with rock pyrolysis, vitrinite reflectance (Ro), total organic carbon (TOC) analysis, carbon isotope analysis, gas chromatography-mass spectrometry (GC-MS), mercury porosimetry, and nitrogen adsorption. …”
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682
Atmospheric oxidation of 1,3-butadiene: influence of seed aerosol acidity and relative humidity on SOA composition and the production of air toxic compounds
Published 2025-01-01“…Products were identified by high-performance liquid chromatography, gas chromatography–mass spectrometry, and ultrahigh-performance liquid chromatography coupled with high-resolution mass spectrometry. …”
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683
Quality identification of Amomi fructus using E-nose, HS-GC-IMS, and intelligent data fusion methods
Published 2025-02-01“…This study used E-nose (EN) and headspace-gas chromatography-ion mobility spectrometry (HS-GC-IMS) to determine and analyze the volatile organic compounds (VOCs) in AF and its counterfeit products. …”
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684
Thermoresponsive Gels with Rosemary Essential Oil: A Novel Topical Carrier for Antimicrobial Therapy and Drug Delivery Applications
Published 2025-01-01“…RoEO, renowned for its robust antimicrobial, antioxidant, and wound-healing properties, was subjected to detailed chemical profiling using gas chromatography-mass spectrometry (GC–MS), which identified oxygenated monoterpenes as its dominant constituents. …”
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685
Integrating 16S rDNA and metabolomics to uncover the therapeutic mechanism of electroacupuncture in type 2 diabetic rats
Published 2025-01-01“…Fecal microbial communities were analyzed by 16S rDNA sequencing, and short-chain fatty acids (SCFAs) were measured using gas chromatography–mass spectrometry (GC–MS). Serum levels of fasting insulin (FINS), glycated hemoglobin (HbA1c), and glucagon-like peptide-1 (GLP-1) were determined using enzyme-linked immunosorbent assay (ELISA).ResultsEA significantly improved daily water intake, food consumption, and body weight in T2DM rats (p < 0.01). …”
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686
Lyophilized and Oven-Dried <i>Manilkara zapota</i> Extracts: Characterization and <i>In Vitro</i>, <i>In Vivo</i>, and <i>In Silico</i> Analyses
Published 2025-01-01“…The phytochemical content of fruits was assessed by gas chromatography flame ionization detector (GC-FID), and their biological performance was studied using <i>in vitro</i> antibacterial and antioxidant assays (DPPH and ABTS) and <i>in vivo</i> toxicity models. …”
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687
The walnut tree as a source of progesterone for reproductive control in goats
Published 2025-01-01“…High concentrations of P4—and to a lesser extent its reduction metabolites and phytosterols—were also measured by Gas Chromatography-Mass Spectrometry/Mass Spectrometry in leaf extracts. …”
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688
Changes in key volatile components associated with leaf quality of Pandanus amaryllifolius Roxb. alongside growth duration
Published 2025-01-01“…However, there has long been a lack of understanding of the differences in volatile organic compounds (VOCs) of leaves at different growth periods. Gas chromatography-mass spectrometry (GC–MS) was used to identify and analyze VOCs in different leaf positions of Pandan in this study. …”
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689
Optimization of the Antibacterial Activity of a Three-Component Essential Oil Mixture from Moroccan <i>Thymus satureioides</i>, <i>Lavandula angustifolia</i>, and <i>Origanum major...
Published 2025-01-01“…The chemical profiles of the EOs were analyzed using gas chromatography-mass spectrometry (GC-MS). The antibacterial activity was assessed against <i>Escherichia coli</i>, <i>Staphylococcus aureus</i>, and <i>Pseudomonas aeruginosa</i> using minimum inhibitory concentration (MIC) tests, while antioxidant activity was evaluated through DPPH (2,2-diphenyl-1-picrylhydrazyl), and ABTS (2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid)) assays. …”
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690
Basic Molecular Biology, Metabolic and Immunological Mechanisms of Fecal Microbiota Transplantation
Published 2024-12-01“…To monitor the basic effects of FMT, we performed targeted DNA sequencing of 16S rRNA gene (V3–V4) using MiSeq platform as well as multiplex real-time PCR, MS/gas chromatography technique, immunophenotyping of blood lymphocytes, histological and immunohistochemical techniques.Clinical case. …”
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691
Flavor Quality of Scomberomorus niphonius
Published 2025-02-01“…Based on this, the present study took the S. niphonius as a research object and used conventional physicochemical tests combined with the electronic nose, gas chromatography-ion mobility spectrometry (GC-IMS), and other technical means to compare the effects of different sterilization conditions on the physicochemical indices and volatile substances of S. niphonius, to extend its shelf life while reducing the effects of sterilization on its flavor, sensory, and nutritional qualities. …”
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692
品种和产地对核桃油脂肪酸组成及含量的影响 "Effects of varieties and producing areas on fatty acid composition and content of walnut oil"
Published 2025-01-01“…A total of 51 varieties of walnuts, Xiangling walnuts from 7 producing areas and Qingxiang walnuts from 5 producing areas were used as research objects,the composition and content of fatty acid in walnut oil were determined by gas chromatography-mass spectrometry (GC-MS), and correlation analysis, principal component analysis (PCA) and cluster analysis were carried out.The results showed that 51 varieties of walnut oils contained 13 kinds of fatty acids, and the total contents of linoleic acid, oleic acid, α-linolenic acid, palmitic acid and stearic acid were higher, and they accounted for about 99% of the total fatty acid content, the content of unsaturated fatty acid in walnut oil was as high as about 90%. …”
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693
Decoding the specific minty-like aroma of ‘Rucheng baimaocha’ (camellia pubescens) black tea
Published 2025-02-01“…In this study, gas chromatography-olfactometry (GC-O) combined with aroma extraction dilution analysis detected 26 aroma-active compounds (ACCs), of which 20 ACCs were quantified as odorants of RCBT infusion. …”
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