Polymerization and modeling of phenolic resins from crude wood resin in the presence of AlCl3 by Ömür Aras, Murat Ertaş, Muhammed Yusuf Aksakal, Naile Angın, Merve Genç

“…Before proceeding to the synthesis stage, the raw resin was separated into turpentine and rosin by distillation and characterized with a gas chromatography - mass spectroscopy (GC-MS) device. The synthesized TRFR samples were characterized by Fourier Transform Infrared Spectroscopy (FTIR), Nuclear Magnetic Resonance Spectroscopy (NMR), acid number, saponification number and softening point analyses. …”
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An Initial Investigation into the Use of a Flux Chamber Technique to Measure Soil-Atmosphere Gas Exchanges from Application of Biosolids to UK Soils by S. M. Donovan, A. M. Skartsila, M. K. Head, N. Voulvoulis

“…The gases were collected using a flux chamber technique and analysed by gas chromatography. The results presented here are preliminary findings of an ongoing experiment. …”
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CHROMATOGRAPHIC ANALYSIS OF CARBOXYLIC ACIDS IN THE FLOWERING SHOOTS OF SOME Vitex L. SPECIES by Mariia Shanaida, Alina Holenko

“…Materials and Methods. Gas chromatography with mass spectrometry (GC/MS) was applied for the analysis of composition and contents of carboxylic acids in the Vitex agnus-castus L., Vitex negundo L. and Vitex negundo var. cannabifolia (Siebold & Zucc.) …”
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Determination of Heavy Metals and Pesticides in Different Types of Fish Samples Collected from Four Different Locations of Aegean and Marmara Sea by Tufan Topal, Canan Onac

“…For this purpose, in this study, heavy metal (lead, mercury, copper, zinc, arsenic, cadmium, silver, manganese, and nickel) and pesticide (p-p′-DDE, α-BHC, endosulfan, endosulfan sulfate, endrin, aldrin, heptachlor, heptachlor epoxide, methoxychlor, p-p′-DDD, p-p′-DDT, β-BHC, cypermethrin, and dieldrin) analyses of four different fish species (Pomatomus saltatrix, Dicentrarchus labrax, Mugil cephalus, and Sparus aurata) collected from the Aegean and Marmara seas were carried out by gas chromatography-mass spectroscopy and using an inductively coupled plasma-mass spectrometer. …”
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Microwave-Assisted Extraction and Phytochemical Profile of Nonea pulmonarioides and Its Antifungal, Antibacterial, and Antioxidant Activities by Haval H. Mohammed, Fuad O. Abdullah

“…The quantitative gas chromatography-mass spectrophotometry (GC-MS) analysis of the extracts confirmed that the most abundant compound in the methanol extract was ethyl tridecanoate (45.94%), while nonadecane was the predominant compound in the acetone (35.7%) and the petroleum ether (18.34%) extracts.…”
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Abnormal Respiratory Symptoms of Workers and Sampling of Organic Vapors Using Solid-phase Microextraction Devices in a Golf Ball Manufacturing Factory by Wen-Hsi Cheng, Nai-Yu Chen

“…In this investigation, workers’ exposures to VOCs were evaluated using a needle trap sampler (NTS), which is a micro sampling device, and the results of an analysis using a gas chromatography mass spectrometer were compared to the samples that were collected in charcoal adsorption tubes with respect to VOC content. …”
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Fatty Acid-Related Health Lipid Index of Raw and Fried Nile Tilapia (Oreochromis niloticus) Fish Muscle by Aemiro Tadesse Zula, Derese Tamiru Desta

“…Fatty acid profiles were analyzed using a gas chromatography-mass spectrophotometer (GCMS), and the health lipid index was determined by calculation using the recommended formula. …”
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Effects of Formulation and Baking Process on Acrylamide Formation in Kolompeh, a Traditional Cookie in Iran by Fatemeh Shakeri, Somayeh Shakeri, Sajad Ghasemi, Antonio Dario Troise, Alberto Fiore

“…Along with the measurement of reducing sugars, moisture, and pH, acrylamide was quantified by gas chromatography mass spectrometry (GC-MS). Results indicated that acrylamide content was 1758, 1048, 888, and 560 μg/kg for TSK, TSIK, ISK, and ISIK, respectively, revealing that the kind of thermal treatment in combination with higher concentrations of reducing sugars were the major driver for acrylamide formation. …”
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Development and Validation of GC-ECD Method for the Determination of Metamitron in Soil by Shishir Tandon, Satyendra Kumar, N. K. Sand

“…This paper aims at developing and validating a convenient, rapid, and sensitive method for estimation of metamitron from soil samples.Determination andquantification was carried out by Gas Chromatography on microcapillary column with an Electron Capture Detector source. …”
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Chemical signatures of social information in Barbary macaques by Brigitte M. Weiß, Claudia Birkemeyer, Marlen Kücklich, Anja Widdig

“…We applied non-invasive active sampling via thermal desorption tubes and analyzed samples by gas chromatography–mass spectrometry. We found robust evidence for individual odor signatures and limited support for kin signatures. …”
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GC-MS Analysis of Insecticidal Essential Oil of Aerial Parts of Echinops latifolius Tausch by Xin Chao Liu, Xianghong Hao, Ligang Zhou, Zhi Long Liu

“…Essential oil of E. latifolius aerial parts at flowering stage was obtained by hydrodistillation and analyzed by gas chromatography-mass spectrometry (GC-MS). A total of 35 components of the essential oil of E. latifolius aerial parts were identified. …”
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Rectal glands and tergal glands as sources of volatile pheromones in cucumber fruit fly, Zeugodacus Cucumis by Soo J Park, Jeanneth Pérez, Vivian Mendez, Phillip W Taylor

“…To address the discrepancies, we examined the volatile chemistry of headspace, rectal glands, tergal glands, and cuticles from both sexes using gas chromatography-mass spectrometry (GC-MS). Our analyses confirmed previously identified compounds and also detected several previously unreported compounds. …”
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Evaluation of Volatile Compounds during the Fermentation Process of Yogurts by Streptococcus thermophilus Based on Odor Activity Value and Heat Map Analysis by Li Zhang, Si Mi, Ruo-bing Liu, Ya-xin Sang, Xiang-hong Wang

“…The volatile composition of yogurt produced by Streptococcus thermophilus fermentation at different time points was investigated by gas chromatography-mass spectrometry combined with simultaneous distillation and extraction. …”
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Statistical approach to synthesise biogenic silica nanoparticles from rice husk and conjugated with Justicia adhatoda extract as green, slow‐release biocide by Peerzada Gh Jeelani, C Ramalingam

“…The phytochemical investigation of Justicia adhatoda was done by Gas chromatography–mass spectrometry (GC‐MS) spectroscopy. …”
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Quality assessment of chicken using machine learning and electronic nose by Hassan Anwar, Talha Anwar

“…Quality assessment at both retail and industrial levels often relies on organoleptic properties, gas chromatography, and total bacterial count, all of which require trained personnel and significant resources. …”
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Essential Oil Yield Pattern and Antibacterial and Insecticidal Activities of Trachyspermum ammi and Myristica fragrans by Rajgovind Soni, Gaurav Sharma, Nakuleshwar Dut Jasuja

“…The essential oils (EOs) of T. ammi (1.94±30 mL/100 gm) and M. fragrans (5.93±90 mL/100 gm) were extracted using hydrodistillation method. In Gas Chromatography analysis, the beta-pinene, alpha-pinene, alpha-p-menth-1-en-4-ol, Limonene, and elemicin were found as major constituents of T. ammi essential oil whereas M. fragrans essential oil mostly contains Gamma-Terpinolene, p-Cymene, Thymol, and beta-pinene. …”
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Screening of Aroma Compounds in Commercial Tea (Camellia sinensis) from Indonesia and Testing Their Activity as Antioxidants by Warsito Warsito, M. Fadel Alief, Vina Octavia Azzahra, M. Farid Rahman, Rurini Retnowati

“…The essential oil yields of the three commercial samples were obtained by distillation using a Liken-Nickerson vessel and analyzed by gas chromatography-mass spectrometry (GC-MS), then tested for antioxidant properties by the DPPH method. …”
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Screening of Aqueous Extract of Persea americana Seeds for Alpha-Glucosidase Inhibitors by Tajudeen Afolayan Lawal

“…The most active subfraction was subjected to Fourier transform infrared (FTIR) and gas chromatography mass spectroscopy (GC-MS) analysis to elucidate the active components. …”
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Chemical Composition, Antibacterial Test, and Antioxidant Activity of Essential Oils from Fresh and Dried Stropharia rugosoannulata by Lei Wei, Wei Wang, Yueying Hou, Xiaoyang Xie, Xiao Li, Fei Chen, Zhiyao Wang, Yong Zhou, Feifei Li, Bingnian Jing

“…The essential oils were obtained by hydrodistillation and analyzed by gas chromatography-mass spectrometry (GC-MS) combined with Kovats retention index. …”
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Chemical analysis of volatile oils in Eucalyptus species by GC mass by Noor Jaafer ALtememmi, Neamat Jameel ALjudy, Labeeb Ahmed ALzubaid

“…The yields of leaves essential oils from the hydrodistillation of Eucalyptus species were 0.6- 1% (based on fresh leaves). Gas chromatography-mass spectrometry (GC-MS) methods were employed for Oils found in the leaves of 20 types of Eucalyptus trees in Baghdad, Iraq. …”
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