Results 21 to 30 of about 227,063 (146)

GC-MS vs. GC-MS-MS analysis of pentacyclic terpanes in crude oils from Libya and Serbia - a comparison of two methods [PDF]

Journal of the Serbian Chemical Society, 2017
The values of parameters calculated from distribution and abundance of the selected pentacyclic terpanes in crude oils from Libya and Serbia, which were originally derived from gas chromatography-mass spectrometry (GC–MS) were compared with results of ...
Faraj Musbah Abduljalil M., Šolević-Knudsen Tatjana, Stojanović Ksenija, Ivković-Pavlović Sonja, Nytoft Hans Peter, Jovančićević Branimir   +5 more
doaj   +1 more source

Characterization of resin extracted from guayule (Parthenium argentatum): A dataset including GC–MS and FT-ICR MS

Data in Brief, 2020
Guayule (Parthenium argentatum), a shrub native to the arid region of the U.S. southwest and Mexico belonging to the Asteraceae family, is a source of high quality, hypoallergenic natural rubber with applications in pharmaceutical, tire, and food ...
Mostafa Dehghanizadeh, Feng Cheng, Jacqueline M. Jarvis, F. Omar Holguin, Catherine E. Brewer   +4 more
doaj   +1 more source

MS and GC–MS Analytical Methods for On-Line Thermally Induced Evolved Gas Analysis (OLTI-EGA)

Chemosensors
Mass spectrometry (MS) and coupled gas chromatography-mass spectrometry (GC-MS) are globally recognized as the primary techniques for the analysis of gases or vapors due to their selectivity, sensitivity, accuracy, and reproducibility.
Giuseppina Gullifa, Elena Papa, Giordano Putzolu, Gaia Rizzo, Marialuisa Ruocco, Chiara Albertini, Roberta Risoluti, Stefano Materazzi   +7 more
doaj   +1 more source

Characterization of the Key Aroma Compounds of Shandong Matcha Using HS-SPME-GC/MS and SAFE-GC/MS

Foods, 2022
Shandong matcha has the quality characteristics of bright green color, seaweed-like aroma and strong, fresh and brisk taste. In order to identify the characteristic aroma components and clarify the contribution of the grinding process to the aroma of ...
Ying Luo, Yazhao Zhang, Fengfeng Qu, Peiqiang Wang, Junfeng Gao, Xinfu Zhang, Jianhui Hu   +6 more
doaj   +1 more source

Comparison of advanced offline and in situ techniques of organic aerosol composition measurement during the CalNex campaign [PDF]

Atmospheric Measurement Techniques, 2015
Our understanding of formation processes, physical properties, and climate/health effects of organic aerosols is still limited in part due to limited knowledge of organic aerosol composition.
J. Timkovsky, A. W. H. Chan, T. Dorst, A. H. Goldstein, B. Oyama, R. Holzinger   +5 more
doaj   +1 more source

Trace Level Determination of Saccharides in Pristine Marine Aerosols by Gas Chromatography—Tandem Mass Spectrometry

Toxics, 2021
The quantification and identification of saccharides in pristine marine aerosols can provide useful information for determining the contributions of anthropogenic and natural sources of the aerosol.
Na-Rae Choi, Yong-Jun Yoon, Ki-Tae Park, Ki-Ae Kim, Yong-Pyo Kim, Yun-Gyong Ahn, Ji-Yi Lee   +6 more
doaj   +1 more source

Detection and accumulation of morphine in hair using GC–MS

Egyptian Journal of Forensic Sciences, 2016
Background: The detection of drugs ingested by humans by analyzing hair samples for their presence is now one of the imperative techniques in the field of forensic toxicology.
Himanshu Khajuria, Biswa Prakash Nayak
doaj   +1 more source

In-Depth Investigation of the Chemical Profile of Pelargonium odoratissimum (L.) L’Hér. Hydrolate by SPME-GC/MS, GC/MS, LVI-GC/MS and PTR-Tof-MS Techniques

Chemosensors
Hydrolates are aromatic aqueous solutions saturated with volatile water-soluble compounds of essential oil. Despite their potential, hydrolates remain less explored than essential oils. In this work, the hydrolate of Pelargonium odoratissimum (L.) L’Hér.
Cosimo Taiti, Vittorio Vinciguerra, Monica Mollica Graziano, Elisa Masi, Stefania Garzoli   +4 more
doaj   +1 more source

Differential analysis of aroma fingerprints of roasted pork from different breeds: A complementary approach using GC-IMS, GC-O-MS, and GC×GC-MS

Food Chemistry: X
In China, limited knowledge of suitable pig breeds for roasting has hindered pork industrialization. The aroma profiles of roasted pork from different breeds were analyzed using sensory evaluation and multidimensional mass spectrometry.
Xinhe Zhang, Jingyu Li, Wenjing Li, Shuqi Zhao, Chanchan Sun, Chengyu Zeng, Cheng Li, Jiangyan Yu, Fengxue Zhang, Junke Li, Huan Liu   +10 more
doaj   +1 more source

Medicinal potential of Morchella esculenta oil inhibits cancer cell proliferation, metabolite characterization through GCMS, GC×GC–TOF–MS and UHPLC–QTOF–MS

Scientific Reports
The current study investigated comprehensive phytochemical profile through high resolution techniques like GCMS, GC×GC–TOF–MS, UHPLC–QTOF–MS, total phenolic content, total flavonoid content, antioxidant, and anticancer activities of Morchella esculenta ...
Monika Chouhan, Sahil Kumar, Sheikh Showkat Ahmad, Farid S. Aataya, Chandni Garg, Satwinderjeet Kaur   +5 more
doaj   +1 more source