The Effect of Transition Metal Doping on the Photooxidation Process of Titania-Clay Composites by Judit Ménesi, Renáta Kékesi, László Kőrösi, Volker Zöllmer, André Richardt, Imre Dékány

“…The kinetics of degradation was monitored by gas chromatography. It was established that, in the case of each catalyst, ethanol degradation was more efficient in UV-C (𝜆 = 254 nm) than in visible light, furthermore, these samples containing silver or copper ions were in each case about twice more efficient than P25 TiO2 (Degussa AG.) used as a reference. …”
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Chemical Constituent and Antioxidant Activity of Clove (Syzygium aromaticum) Bud and Leaf Essential Oils from Bali by I Wayan Muderawan, Pande Putu Diah Suci Laksmi, I Wayan Mudianta, Ni Wayan Martiningsih

“…The constituents of the clove essential oils were analyzed by using gas chromatography-mass spectrometry (GC-MS). Thirty-six and twenty-nine constituents were identified based on GC-MS from the clove bud and leaf essential oils, respectively. …”
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GC-FID and Olfactometry-Assisted Assessment of Odors from Polymeric Foams under Normal and Repeated-Use Conditions by Alena Capíková, Daniela Tesařová, Josef Hlavaty, Adam Ekielski, Pawan Kumar Mishra

“…The samples were tested as per ČSN EN 13 725 (2005) and ISO 16000-6 (2011) criteria using GC-FID (gas chromatography-flame ionization detector) and olfactometry. …”
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GC-MS Analysis, Antimicrobial and Antioxidant Activities of Extracts of the Aerial Parts of <i>Conyza sumatrensis</i> by Olapeju O Aiyelaagbe, Stephen O Oguntoye, Abdulmumeen A Hamid, Adebola M Ogundare, David B Ojo, Ajibola Ajao, Nurudeen O Owolabi

“…The extracts were also analysed using Gas chromatography – Mass spectrometry, and the chromatogram coupled with mass spectra of the compounds were matched with a standard library. …”
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Fat from Tenebrionidae Bugs - Sterols Content, Fatty Acid Profiles, and Cardiovascular Risk Indexes by Jiri Mlcek, Anna Adamkova, Martin Adamek, Marie Borkovcova, Martina Bednarova, Ivana Knizkova

“…Sterols content was determined using capillary gas chromatography method. Cholesterol content was determined at 1335 mg/kg in dry matter (DM) for the mealworm, which was less than for superworm (3224 mg/kg DM). …”
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Optimization of Enzymatic Hydrolysis Process of Morchella esculenta and Analysis of Volatile Flavor Compounds in Enzymatic Hydrolysate by Xiaofeng ZENG, Mi YAN, Zhixing GE, Lunjiang GAO, Xumin YIN, Yuan DIAO, Sang SHANG, Shunde ZENG

“…To optimize the enzymatic hydrolysis process of Morchella esculenta and expore the volatile flavor compounds in its enzymatic hydrolysate, the enzymatic hydrolysis was optimized by response surface design, and the key flavor compounds were identified by headspace-solid phase microextraction-gas chromatography-mass spectrometry (HS-SPME-GC-MS) combined with the odor activity value (OAV). …”
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Orthogonal Design Study on Factors Affecting the Determination of Common Odors in Water Samples by Headspace Solid-Phase Microextraction Coupled to GC/MS by Shifu Peng, Zhen Ding, Weiwen Xia, Hao Zheng, Yuting Xia, Xiaodong Chen

“…These two odorants have extremely low odor threshold concentrations at ng L−1 level in the water, so a simple and sensitive method for the analysis of such trace levels was developed by headspace solid-phase microextraction coupled to gas chromatography/mass spectrometry. In this study, the orthogonal experiment design L32 (49) was applied to arrange and optimize experimental conditions. …”
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Functional Characterization of Sesquiterpene Synthase from Polygonum minus by Su-Fang Ee, Zeti-Azura Mohamed-Hussein, Roohaida Othman, Noor Azmi Shaharuddin, Ismanizan Ismail, Zamri Zainal

“…The transgenic plants demonstrated smaller basal rosette leaves, shorter and fewer flowering stems, and fewer seeds compared to wild type plants. Gas chromatography-mass spectrometry analysis of the transgenic plants showed that PmSTS was responsible for the production of β-sesquiphellandrene.…”
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Repellency Potential, Chemical Constituents of Ocimum Plant Essential Oils, and Their Headspace Volatiles against Anopheles gambiae s. s., Malaria Vector by Jonathan Osei-Owusu, William K. Heve, Owusu Fordjour Aidoo, Maxwell Jnr Opoku, Joseph Apau, Kodwo Ninsin Dadzie, Bright Yaw Vigbedor, Kwaafo Akoto Awuah-Mensah, Margaret Appiah, Akwasi Acheampong, Michael Birkett, Antony Hooper

“…The repellency potential and chemical composition of the plants were achieved by using the protected arm-in-cage method and gas chromatography-mass spectrometry (GC-MS) analysis. Among the three Ocimum species, both the essential oils and the headspace volatiles from O. tenuiflorum achieved the longest repellency time lengths of 90–120 minutes. …”
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Urea enhances the yield and quality of bio-oil produced from corncob through pyrolysis by Sakina Ibrahim Bello, Taofik Olatunde Uthman, Serdar Surgun, Abdullahi Muhammad Sokoto

“…Fourier Transform-Infrared Spectroscopy, Gas Chromatography-Mass Spectrometry (GC–MS), Ultimate Analysis, and High Heating Value (HHV) analyses were employed to evaluate the quality of bio-oil produced. …”
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Seeds of Zizyphus lotus: In Vivo Healing Properties of the Vegetable Oil by C. Rais, C. Slimani, M. Benidir, L. Elhanafi, I. Zeouk, F. Errachidi, L. El Ghadraoui, S. Louahlia

“…Furthermore, the spectral analysis by gas chromatography has shown the presence of 53 majority and minority molecules. …”
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Role of toxic and essential elements in sleep duration of patients with cardiovascular diseases by Namam Ali Azadi, Samaneh Nakhaee, Najmaldin Ezaldin Hassan, Borhan Mansouri, Masoumeh Ariyaee

“…Serum concentrations of zinc (Zn), copper (Cu), Iron (Fe), arsenic (As), mercury (Hg), and nickel (Ni) were measured using a gas chromatography-mass spectrometry. The prevalence of short-sleep duration (< 7 h), normal sleep duration (7–8 h), and long-sleep duration (> 8 h) were 36%, 10.6%, and 53.3%, respectively. …”
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MILK FATTY ACID COMPOSITION IN HOLSTEIN COWS UNDER CHRONIC HEAT STRESS CONDITIONS by V. Danchuk, S. Midyk, V. Korniyenko, O. Izhboldina, N. Cherniy, А. Sydelnykov, V. Postoi, R. Mylostyvyi

“…Nineteen fatty acids were quantitatively determined in the milk of experimental cows by the gas chromatography method. Myristic (C14:0), palmitic (C16:0), stearic (C18:0), and oleic (C18:1n9c) fatty acids have the highest percentage content. …”
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Comparative Chemical Profiling and Biological Potential of Essential Oils of Petal, Choke, and Heart Parts of Cynara scolymus L. Head by Sana Razhan M. Alsubaiei, Hanan A. Alfawaz, Musarat Amina, Nawal M. Al Musayeib, Afaf El-Ansary, Syed Rizwan Ahamad, Omar M. Noman, Jaber A. Maini

“…The essential oil and macroelemental composition of different parts of flower bud (petal, choke, and heart) of Cynara scolymus L. were explored and compared using gas chromatography mass spectrometry (GC-MS) and inductively coupled plasma mass spectrometry (ICP-MS). …”
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Time-Related Changes in Volatile Compounds during Fermentation of Bulk and Fine-Flavor Cocoa (Theobroma cacao) Beans by Juan Manuel Cevallos-Cevallos, Laura Gysel, Maria Gabriela Maridueña-Zavala, María José Molina-Miranda

“…Volatiles from each sample were adsorbed into a solid phase microextraction fiber and analyzed by gas chromatography-mass spectrometry. Aroma potential of each compound was determined using available databases. …”
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GC-MS Analysis, Antimicrobial and Antioxidant Activities of Extracts of the Aerial Parts of <i>Conyza sumatrensis</i> by Olapeju O Aiyelaagbe, Stephen O Oguntoye, Abdulmumeen A Hamid, Adebola M Ogundare, David B Ojo, Ajibola Ajao, Nurudeen O Owolabi

“…The extracts were also analysed using Gas chromatography – Mass spectrometry, and the chromatogram coupled with mass spectra of the compounds were matched with a standard library. …”
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Bioactive Compounds, Antioxidant Capacity, and Fatty Acids in Different Parts of Four Unexplored Fruits by Adriela Albino Rydlewski, Damila Rodrigues de Morais, Eliza Mariane Rotta, Thiago Claus, Julianna Matias Vagula, Michele Cristina da Silva, Oscar Oliveira Santos Junior, Jesuí Vergílio Visentainer

“…Total phenolic content (TPC), total flavonoids (TF), total anthocyanins (TA), and antioxidant capacity of different parts of four unexplored fruits from Brazil (Syzygium cumini Lam, Solanum nigrum Linn, Inga edulis Mart, and Hovenia dulcis Thunb) were determined; the bioactive compounds and fatty acids were quantified and identified by high-performance liquid chromatography and gas chromatography, respectively. S. cumini peels contained the most TA (63.31 mg/100 g), whilst H. dulcis pulp and peels had the highest TPC (518.18 mg GAE/100 g) and TF (76.54 mg EQ/g). …”
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Characterization and Comparison of Unfermented and Fermented Seed-Watermelon Juice by Jing Wang, Yue Shi, Huijuan Zhang, Xingxing Deng, Yubin Wang, Yue Ma, Xiaoyan Zhao, Chao Zhang

“…The oxygen radical scavenging capacity of the fermented juice was 60 µM trolox equivalent/mL, which was 7.14% higher than that of the unfermented juice. Gas chromatography-mass spectrometer analysis showed a total of 26 and 29 volatiles in unfermented juice and fermented juice, respectively. …”
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Repellent Activities of Essential Oils of Some Plants Used Traditionally to Control the Brown Ear Tick, Rhipicephalus appendiculatus by Wycliffe Wanzala, Ahmed Hassanali, Wolfgang Richard Mukabana, Willem Takken

“…Dose-response evaluations of these oils showed that T. minuta oil was more repellent (RD50 = 0.0021 mg) than that of T. diversifolia (RD50 = 0.263 mg). Gas chromatography-linked mass spectrometric (GC-MS) analyses showed different compositions of the two oils. …”
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Quality Evaluation of Wushan Codonopsis pilosula with Different Growth Years by Meiling GUO, Wenpin WANG, Luhan HUANG, Lili YANG, Yusen YUE, Sibo QIU, Jianquan KAN, Muying DU

“…High performance liquid chromatography and gas chromatography-mass spectrometry (GC-MS) were used to analyse for differences in nutrients, organic acids, hydrolysed amino acids, active ingredients and volatile components. …”
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