Analysis of Volatile Organic Compounds by HS-GC-IMS in Powdered Yak Milk Processed under Different Sterilization Conditions by Duo Feng, Jing Wang, Xiao-Jiao Ji, Wen-Xiang Min, Wen-Jie Yan

“…Headspace-gas chromatography-ion mobility spectroscopy (HS-GC-IMS) was used to detect the volatile organic compounds (VOCs) of yak milk powders (YMPs) under ultra-high-pressure sterilization (UHPS) and thermization (TH) methods. …”
Get full text

Untargeted metabolomics of Aloe volatiles: Implications in pathway enrichments for improved bioactivities by Nehal Batra, Priyankar Dey

“…The leaves of five highly utilized Aloe sp. were subjected to untargeted gas chromatography-mass spectrometry analysis followed by testing of free-radical scavenging effects against components of the Fenton and Haber-Weiss reaction. …”
Get full text

Rapid Analysis Procedures for Triglycerides and Fatty Acids as Pentyl and Phenethyl Esters for the Detection of Butter Adulteration Using Chromatographic Techniques by Daniele Naviglio, Marina Dellagreca, Francesco Ruffo, Anna Andolfi, Monica Gallo

“…The procedure for the analysis of triglycerides requires only dissolution of the sample in n-hexane and gas chromatography (GC) analysis using a capillary column. …”
Get full text

Simultaneous aerobic and anaerobic respiration in hot spring chemolithotrophic bacteria by Lisa M. Keller, Daniel R. Colman, Eric S. Boyd

“…Consumption of O2 measured via gas chromatography and detection of transcripts for proteins involved in S0 and O2 reduction in H2/S0/O2-grown cultures confirmed co-occurring aerobic and anaerobic metabolism. …”
Get full text

Pheromone Production, Attraction, and Interspecific Inhibition among Four Species of Ips Bark Beetles in the Southeastern USA by Göran Birgersson, Mark J. Dalusky, Karl E. Espelie, C. Wayne Berisford

“…Hindgut volatiles from attacking, unmated males of Ips avulsus, I. calligraphus, I. grandicollis, and I. pini were analyzed by combined gas chromatography and mass spectrometry. Based on the quantitative identifications of hindguts and subsequent individual aerations, baits were formulated and a combined species-specific subtractive field bioassay was set up for the four bark beetle species. …”
Get full text

Migration of Two Synthetic Phenolic Antioxidants and Their Degradation Products from Wheat Straw-Based Plastic Lunch Boxes by WANG Jinxin, LIANG Yingyin, ZHONG Huaining, HU Changying

“…A method based on gas chromatography-mass spectrometry (GC-MS) was developed for the determination of the residues of 2,4-di-tert-butylphenol (2,4-DTBP), butylated hydroxytoluene (BHT) and its derivatives 2,6-di-tert-butyl-p-benzoquinone (BHT-Q) and 3,5-di-tert-butyl-4-hydroxybenzaldehyde (BHT-CHO) and their migration to isooctane from wheat straw-based plastic lunchboxes. …”
Get full text

Nematicidal Constituents from the Essential Oil of Chenopodium Ambrosioides Aerial Parts by Chuan Qi Bai, Zhi Long Liu, Qi Zhi Liu

“…The essential oil of C. ambrosioides was obtained by hydrodistillation and analyzed by gas chromatography-mass spectrometry (GC-MS). A total of 27 components of the essential oil were identified. …”
Get full text

Untargeted Metabolomics Analysis Reveals the Effect of Fixation on the Profile of Volatile Compounds of Cyclocarya paliurus Tea by Minge Bai, Liling Wang

“…The aim of this study was to determine the volatile metabolites in fixated and unfixated C. paliuru s tea by gas chromatography-mass spectrometry in order to identify the volatile compounds that differentiate them and establish the key aroma compounds. …”
Get full text

Thermochemical Recycling of Solid Biomass Materials for Achieving Sustainable Goal: A Complete Characterization Study on Liquid Yield Products by Ashok Kumar Koshariya, J. Madhusudhanan, Harishchander Anandaram, J. Isaac JoshuaRamesh Lalvani, L. Natrayan, Praveen Bhai Patel, P. Jayaraman, Ezhakudiyan Ravindran, Palanisamy Rajkumar

“…The Fourier transform infrared spectroscopy (FT-IR) and gas chromatography and mass spectroscopy (GC-MS) analyses of the bio-oil revealed that the oil has a significant amount of phenol derivatives, oxygenated chemicals, acids, and esters. …”
Get full text

Utilization of Tea Industrial Waste for Low-Grade Energy Recovery: Optimization of Liquid Oil Production and Its Characterization by I. Kathir, K. Haribabu, Aditya Kumar, S. Kaliappan, Pravin P. Patil, C.Sowmya Dhanalakshmi, P. Madhu, Habtewolde Ababu Birhanu

“…The liquid products were analyzed for its physical and chemical characteristics using Fourier transform infrared spectroscopy (FTIR) and gas chromatography-mass spectroscopy (GC-MS). The heating value of the liquid products showed that it can be used as liquid fuels, and its elements can be used for various industrial applications.…”
Get full text

Geographical and Seasonal Patterns of Geosmin and 2-Methylisoborneol in Environmental Water in Jiangsu Province of China by Zhen Ding, Shifu Peng, Yuqin Jin, Zhoubin Xuan, Xiaodong Chen, Lihong Yin

“…More specifically, the headspace solid-phase microextraction coupled to gas chromatography mass spectrometry (HS-SPME/GC-MS) was applied to determine the levels of GSM and 2-MIB in water samples, and the samples were collected depending on water sources, conventional treatment processes, and seasons. …”
Get full text

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. …”
Get full text

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. …”
Get full text

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.…”
Get full text

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. …”
Get full text

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. …”
Get full text

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. …”
Get full text

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. …”
Get full text

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. …”
Get full text

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. …”
Get full text