Catalytic Synthesis of Diethyl Carbonate from Carbon Dioxide using Catalyst KI/EtONa with Propylene Oxide as Dehydration Agent and Process Optimization Based on Box-Behnken Design by Lintang Alivia Anggerta, Firman Kurniawansyah, Rizky Tetrisyanda, Gede Wibawa

“…Product identification was conducted with gas chromatography analysis with FID detector. Besides kinetic study, optimizing the parameter process in DEC synthesis is necessary to find the highest yield of DEC because it is difficult to achieve optimum conditions using trial and error. …”
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Comparative lipidome and transcriptome provide novel insights into zero-valent iron nanoparticle-treated Fremyella diplosiphon by Yavuz S. Yalcin, Samson Gichuki, Huan Chen, Anithachristy Sigamani Arumanayagam, Shyama Malika Malwalage, Viji Sitther

“…Comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometry revealed a 20–25% higher percentage of FAMEs in nZVI-treated F. diplosiphon strain B481-SD compared to B481-WT. …”
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Effects of storage on volatile organic components and physiological properties of different storage-tolerant rice varieties by Dawei Zhu, Xin Zheng, Huiyin Dong, Xingquan Liu, Xianqiao Hu, Mingxue Chen, Xin Liu, Yafang Shao

“…To address this gap, we analyzed volatile organic components (VOCs) identified by gas chromatography-ion mobility spectrometry (GC-IMS) and related physicochemical properties of different storage-tolerant rice varieties during storage. …”
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In Vitro Cercaricidal Activity, Acute Toxicity, and GC/MS Analysis of Some Selected Ghanaian Medicinal Plants by Bright Osei-Mensah, Yaw Duah Boakye, William Kofi Anyan, Theresa Appiah Agana, Eugene Agyei Aboagye, Ivy Bentil, Elvis Suatey Lomotey, Francis Adu, Christian Agyare

“…The percentage of mortalities for each extract was recorded. Gas chromatography/mass spectrometry (GC/MS) analysis was conducted on all the plant extracts. …”
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Isolation, characterization and control of Botrytis spp. pathogenic on strawberry in Iran by Fatemeh Maghsoodi, Parissa Taheri, Saeed Tarighi

“…A total of 22 compounds were identified in the EO by gas chromatography-mass spectrometry. The major compounds of F. gummosa EO were β-Pinene (% 37.7), γ-Terpinene (% 21) and a-pinene (% 12). …”
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Comparative studies on physicochemical properties, volatile flavor substances and microbial community of Mianning ham at different altitudes by Qianhui Zeng, Lili Ji, Wei Wang, Jiamin Zhang, Ting Bai, Ling Gan, Lin Chen

“…BackgroundThis study explores the impact of varying altitudes on the quality characteristics of Mianning ham.MethodsBy utilizing Solid-Phase Microextraction—Gas Chromatography–Mass Spectrometry (SPME-GC-MS) technology and high-throughput sequencing techniques, the physicochemical properties, volatile flavor compounds, and shifts in microbial communities of Mianning ham at different altitudes were investigated.ResultsHam’s water content, aw, pH, malondialdehyde content,and nitrite content at high altitudes were higher, while the salt content of ham at low altitudes was higher. 112 volatile compounds were identified in ham fermented for 0, 1, and 2 years at low altitude and high altitude, and the volatile compounds in ham at high altitude were more abundant than those in ham at low altitude. …”
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Association of high organochlorine pesticide serum levels with oxidative stress in intestinal metaplasia and gastric cancer by Gholamreza Asadikaram, Mohammad Reza Ashrafi, Sodaif Darvish Moghaddam, Moslem Abolhassani, Fatemeh Bagheri

“…The levels of organochlorine pesticides in the serum of gastric cancer (n = 34), intestinal metaplasia (n = 8), functional dyspepsia patients (n = 48) and control group (n = 46), were measured by gas chromatography equipment. Oxidative stress parameters and erythrocyte acetylcholine esterase activity were also measured in these individuals. …”
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Formulation, Characterization, Antibacterial Activity, Antioxidant Activity, and Safety Evaluation of <i>Camphora longepaniculata</i> Essential Oil Nanoemulsions Through High-Press... by Yue Yan, Changhe Wei, Xin Liu, Xin Zhao, Shanmei Zhao, Shuai Tong, Guoyou Ren, Qin Wei

“…The volatile compounds of CLEO were identified by gas chromatography–mass spectrometry. CLNEs were prepared using EL-40 (5%, <i>w</i>/<i>w</i>) as the surfactant via the high-pressure homogenization method. …”
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Association between Polyunsaturated Fatty Acid Profile and Bronchial Inflammation in Bronchiolitis Obliterans by Silvija P. Jerkic, Laura Bächle, Ruth Pia Duecker, Lucia Gronau, Andreas G. Chiocchetti, Stefan Zielen, Ralf Schubert

“…The PUFA profile was determined in the serum and induced sputum by gas chromatography. Results. Patients presented with significantly lower FVC and FEV1 as well as higher RV and LCI measurements compared to the control group. …”
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Antimicrobial and antiproliferative activity of biosynthesized manganese nanocomposite with amide derivative originated by endophytic Aspergillus terreus by Nashwa El-Gazzar, Reem Farouk, Nervana S. Diab, Gamal Rabie, Basel Sitohy

“…In addition, the most potent product was identified based on instrumental analysis through Nuclear magnetic resonance (NMR), Fourier-transform infrared (FTIR), and Gas chromatography-mass spectrometry (GC.MS). The purified product was combined with biosynthsesized manganese nanoparticles (MnNPs) for the production of nanocomposite (MnNCs). …”
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Characteristic and flavor profiles of specialty Arabica coffee derived from fermentation with protease, at different conditions by Wongyai Intugon, Suttisintong Khomson, Thumthanaruk Benjawan, Foophow Tita, Yasutomo Tamaki, Rungsardthong Vilai

“…In this study, the flavor profiles of Arabica coffee (Coffea arabica L.) beans treated with protease, at different enzyme loading, time, and pH, were investigated using gas chromatography tandem mass spectrometry (GC-MS/MS). …”
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Sustainability by extraction of bioactive compounds from onion seeds by Mestour, Selma, Meniai, Abdeslam-Hassen, Melloul, Sarra, Louaer, Mehdi

“…This led to optimal operating conditions of 250 bar, 57 °C, 0.25 mm and 50 g CO2/min for the best oil extraction yield value of 24.36%. Furthermore, gas chromatography-mass spectrometry (GC-MS) was used to identify qualitatively and quantitatively the chemical composition of the onion seed oils. …”
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Differences in Aroma Quality of Different Types of Jinmudan Tea Made from Tea Leaves Harvested in Summer and Autumn by TANG Mengting, LIAO Xiansheng, WU Xianshou, WEI Mingxiu, ZHENG Yucheng, JIN Shan, ZHANG Jianming, YE Naixing

“…Headspace-solid phase microextraction (HS-SPME) combined with gas chromatography-mass spectrometry (GC-MS) was used to determine and analyze the volatile metabolites in the 10 tea samples. …”
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Seasonal Variability of PM10 Chemical Composition Including 1,3,5-triphenylbenzene, Marker of Plastic Combustion and Toxicity in Wadowice, South Poland by Przemysław Furman, Katarzyna Styszko, Alicja Skiba, Damian Zięba, Mirosław Zimnoch, Magdalena Kistler, Anne Kasper-Giebl, Stefania Gilardoni

“…Ion chromatography (IC) was used for analysis of cations and anions, while gas chromatography-mass spectrometry (GC-MS) was used for PAHs. …”
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Composition and Significance of Bacterial Microbiota and Volatile Organic Compounds of Swiss-Dutch-Type Cheese as Determined by PCR-DGGE and HS-GC by Beata Nalepa, Magdalena Anna Olszewska, Lidia Hanna Markiewicz, Marek Aljewicz

“…Bacterial diversity and VOCs (acetaldehyde; ketones: acetone, diacetyl, acetoin; alcohols: methanol, ethanol; esters: ethyl acetate, ethyl propionate, ethyl butyrate; fatty acids: acetic acid, propionic acid, isobutyric acid, butyric acid, isovaleric acid, valeric acid, isocaproic acid, caproic acid, heptanoic acid) were determined by polymerase chain reaction - denaturing gradient gel electrophoresis (PCR-DGGE), and headspace gas chromatography (HS-GC), respectively. Season influenced the composition of both bacterial microbiota and VOCs in cheese. …”
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Rapid assessment of the main economic value indicators in lupine flour samples using infrared spectroscopy by V. S. Popov, A. V. Salikova, I. N. Perchuk, N. G. Konkova, G. P. Egorova, M. A. Vishnyakova, T. V. Shelenga

“…The oil content in lupine seeds was assessed by the defatted dry residue technique in Soxhlet extractors, protein by the Kjeldahl method, and quinolizidine alkaloids by gas chromatography coupled with mass spectrometry. All indicators were recalculated on the dry-weight basis.Results and conclusion. …”
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Rapid Determination of 21 Chinese Domestically Registered Pesticides in Ginseng Using Cleanup Based on Zirconium-Oxide-Modified Silica and Ultrahigh-Performance Liquid Chromatograp... by Zhongbei Zhang, Zhou Lu, Nan Fang, Zhiguang Hou, Weiming Ren, Yueru Li, Zhongbin Lu

“…The combination of Z-Sep and PSA provided good recovery for all analytes and the cleanest matrix background out of a number of PSA-based sorbent combinations, as indicated by high-performance liquid chromatography (HPLC) and gas chromatography (GC). Instrumental analysis was completed in 5 min using the ultrahigh-performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS). …”
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Microbiological And Physicochemical Analyses Of Oil Contaminated Soil From Major Motor Mechanic Workshops In Benin City Metropolis,Edo State, Nigeria by FO Ekhaise, J Nkwelle

“…The biodegradation potentials of the hydrocarbon degrading microbial isolates monitored by gas chromatography (GC) showed Pseudomonas sp. and Aspergillus versicolor to have recorded the highest biodegradation potentials among the microbial isolates. …”
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Nutritional Value and Consumer Acceptance of New Cereal Bars Offered to Children by Białek Małgorzata, Rutkowska Jarosława, Radomska Justyna

“…Triacylglycerols (TAG) and fatty acids (FA) composition was assayed in fats extracted from the designed bars (fresh and stored) by gas chromatography. Contents of oxidation and hydrolysis products were determined using peroxide value (PV), anisidine value (AnV), and acidic value (AV). …”
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Synthesis of Nanochitosan from Cambarus Bartonii Waste and its Utilization in The Removal of Polycyclic Aromatic Hydrocarbons in Surface Water from Ifite Ogwari, Southeastern Niger... by Vincent Okafor, Deborah Kehinde, Abimbola Akinyele, Benjamin Modozie

“…PAHs were assessed in untreated and treated water samples using Gas Chromatography-Flame ionization Detector (GC-FID). Results of DLS particle size analyzer ranged between 55.78 nm and 92.64 nm. …”
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