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361
Explication of Pharmacological Proficiency of Phytoconstituents from Adansonia digitata Bark: An In Vitro and In Silico Approaches
Published 2024-01-01“…The analysis of a plant sample using Fourier transform infrared (FT-IR) spectroscopy detected multiple functional groups, such as carboxyl and aromatic groups. Additionally, gas chromatography-mass spectroscopy (GC-MS) was utilized to identify various compounds present in the sample, including tetrachloroethylene and octyl ester. …”
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362
Chemical Composition and Antimicrobial Potential of Palm Leaf Extracts from Babaçu (Attalea speciosa), Buriti (Mauritia flexuosa), and Macaúba (Acrocomia aculeata)
Published 2016-01-01“…Moreover, the phytochemical analysis revealed the presence of tannins, flavonoids, catechins, steroids, triterpenes, and saponins. Gas chromatography (GC/MS) analysis also identified organic acids, such as capric (decanoic) acid, lauric (dodecanoic) acid, myristic (tetradecanoic) acid, phthalic (1,2-benzenedicarboxylic) acid, palmitic (hexadecanoic) acid, stearic (octadecanoic) acid, linoleic (9,12-octadecadienoic) acid (omega-6), linolenic (octadecatrienoic) acid (omega-3), and the terpenes citronellol and phytol. …”
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363
The volatilome – investigation of volatile organic metabolites (VOM) as potential tumor markers in patients with head and neck squamous cell carcinoma (HNSCC)
Published 2018-07-01“…Methods In this retrospective case-control study urinary VOM of 53 therapy-naive patients with head and neck squamous cell carcinoma (HNSCC) and 82 healthy controls were semi-quantified by headspace solid-phase micro extraction (SPME) gas chromatography (GC) mass spectrometry (MS). At first, the procedure was optimized in respect to the extraction parameters. …”
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364
Decoding the aroma of Rosa canina L.: Chemical composition and gene expression.
Published 2025-01-01“…<h4>Methods</h4>Essential oils (EOs) were extracted from petals at five developmental stages (S1-S5) and analyzed using Gas Chromatography-Mass Spectrometry (GC-MS), identifying 20 distinct compounds. …”
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365
Quantifying primary oxidation products in the OH-initiated reaction of benzyl alcohol
Published 2025-02-01“…We report here on the products of the gas-phase oxidation of benzyl alcohol by OH and its dependence on nitric oxide (NO) levels. Using a gas chromatography in tandem with a chemical ionization mass spectrometer (CIMS) and gas chromatographer with a flame ionization detector (GC-FID), we measure the branching fractions to the major gas-phase oxidation products: hydroxybenzyl alcohol (HBA) and benzaldehyde. …”
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366
Formation and Identification of Unresolved Complex Mixtures in Lacustrine Biodegraded Oil from Nanxiang Basin, China
Published 2014-01-01“…A comprehensive two-dimensional gas chromatography/time-of-flight mass spectrometry (GC × GC/TOFMS) method has been developed for the formation and identification of unresolved complex mixtures (UCMs) in lacustrine biodegraded oils that with the same source rock, similar maturity, and increasing degradation rank from Nanxiang Basin, China. …”
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367
Polychlorinated Biphenyls Water Pollution along the River Nile, Egypt
Published 2015-01-01“…Ten polychlorinated biphenyl (PCB) congeners were determined in water samples collected along the River Nile using gas chromatography-electron capture detector (GC-ECD). PCB concentrations ranged from 14 to 20 μg/L, which were higher than those reported in previous studies, indicating serious PCB pollution in the River Nile. …”
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368
Evaluating the occurrence of trihalomethanes in drinking water and their implications for human health risk
Published 2024-12-01“…This study investigates the THMs presence in various sources across Romania and conducts a human health risk assessment in order to determine the potential danger the population is exposed to. Using a gas-chromatography coupled mass-spectrometry (GC-MS) analysis method, water samples collected over the course of a year were analysed and revealed the cumulative sum of all trihalomethanes (ΣTHMs) saw a maximum concentration of 90.6 µg/L, with an average of 25.6 µg/L and a median of 22.2 µg/L with chloroform and bromoform being the most abundant. …”
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369
Antioxidant and Antimicrobial Properties of the Essential Oil and Extracts of Zanthoxylum alatum Grown in North-Western Himalaya
Published 2013-01-01“…The essential oil obtained from the fresh leaves of Zanthoxylum alatum was analysed by gas chromatography/mass spectrometry (GC/MS). Fourteen components were identified, and linalool (30.58%), 2-decanone (20.85%), β-fenchol (9.43%), 2-tridecanone (8.86%), β-phellandrene (5.99%), Sabinene (4.82%), and α-pinene (4.11%) were the main components. …”
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370
Exploring grape juice volatile compounds after inactive yeast extract foliar treatment using SPME and GC–MS
Published 2025-01-01“…The volatile profile of the grape juice was determined using headspace solid phase microextraction (SPME) coupled with gas chromatography combined with mass spectrometry (GC–MS). …”
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371
Potential of Louhan fish (Amphilophus labiatus) as a local fishery pest in Lake Toba North Sumatra as a source omega 3 and 6 fatty acids
Published 2025-01-01“…The results of the gas chromatography study showed that the levels of unsaturated fatty acids were higher than those of saturated fatty acids. …”
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372
Association between microplastics and the functionalities of human gut microbiome
Published 2025-01-01“…In the present study, concentrations of microplastics in human blood were detected through pyrolysis-gas chromatography/mass spectrometry in 39 adults. Five types of microplastics were found in human blood, including polyvinyl chloride, polyethylene, polypropylene, polystyrene, and polyamide 66. …”
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373
Volatile Organic Compounds of Anchote Tuber and Leaf Extracted Using Simultaneous Steam Distillation and Solvent Extraction
Published 2022-01-01“…Leaf and tuber powders were extracted for the first time to identify volatile organic compounds by simultaneous steam distillation and solvent extraction (SDE) and characterized using gas chromatography mass spectrometry (GC-MS). VOCs having an area percentage above 0.5% were used for identification analysis. …”
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374
Health Risk Assessment of Pesticide Residues in Drinking Water of Upper Jhelum Region in Kashmir Valley-India by GC-MS/MS
Published 2023-01-01“…For the analysis, 60 water samples were obtained from different water sources. Gas chromatography coupled with tandem mass spectrometry (GC-MS/MS) was used to determine pesticide residues in water samples. …”
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375
Optimization and characterization of bioactive secondary metabolites from Streptomyces sp CMSTAAHL-4 isolated from mangrove sediment
Published 2025-01-01“…Alcohols, alkenes, alkynes, alkyl halides, carboxylic acids, aliphatic esters functional groups were identified by fourier transform infrared spectroscopy, gas chromatography and mass spectrometer analysis of the secondary metabolites revealed five bioactive compounds. …”
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376
Apolar Compounds in Seaweeds from Fernando de Noronha Archipelago (Northeastern Coast of Brazil)
Published 2012-01-01“…Hyphenated techniques of gas chromatography coupled to mass spectrometer were used to determine fatty acids in eleven species of seaweeds from Fernando de Noronha archipelago. …”
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377
Fusarium oxysporum & Fusarium solani: Identification, Characterization, and Differentiation the Fungal Phenolic Profiles by HPLC and the Fungal Lipid Profiles by GC-MS
Published 2022-01-01“…Moreover, lipid criteria of Fusarium oxysporum and Fusarium solani extracts had been displayed by gas chromatography-mass spectrometry (GC-MS) and their fatty acids had been identified to define the prolific species of the most biological and valuable fatty acids. …”
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378
Discovery of Antimalarial Drugs from Streptomycetes Metabolites Using a Metabolomic Approach
Published 2017-01-01“…The highly sensitive instruments, such as Liquid Chromatography-Mass Spectrophotometry (LC-MS), Gas Chromatography-Mass Spectrophotometry (GC-MS), and Nuclear Magnetic Resonance (1H-NMR) spectroscopy, provide a wide range of information in the identification of potentially bioactive compounds. …”
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379
Characterisation of Selected Emulsion Phase Parameters in Milk, Cream and Buttermilk
Published 2021-12-01“…The size of milk fat globules was measured by the laser diffraction method; the fatty acid profile of milk fat was determined by gas chromatography; and the thermal properties of freeze-dried samples were determined by differential scanning calorimetry. …”
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380
Prediction of COD Degradation in Fenton Oxidation Treatment of Kitchen Anaerobic Wastewater Based on IPSO-BP Neural Network
Published 2025-01-01“…The optimal conditions for Fenton oxidation obtained from IPSO-BP model are as follows: the dosage of H2O2 is 2000 mg/L, the dosage of Fe2+ is 1200 mg/L, the pH value is 2.8, the reaction time is 75 min, and the COD removal rate is 80.125%, which is consistent with the experimental results. Through gas chromatography-mass spectrometry (GC-MS) analysis, most organic compounds in kitchen anaerobic wastewater are oxidized and decomposed, indicating that the IPSO-BP model has good predictive quality.…”
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