Results 11 to 20 of about 7,896 (250)

Quality identification of Amomi fructus using E-nose, HS-GC-IMS, and intelligent data fusion methods [PDF]

Frontiers in Chemistry
Amomi fructus (AF) has been used for both medicinal and food purposes for centuries. However, issues such as source mixing, substandard quality, and product adulteration often affect its efficacy.
Pan-Pan Zhang, Xin-Jing Gui, Xin-Jing Gui, Xin-Jing Gui, Xue-Hua Fan, Han-Li, Hai-Yang Li, Xiao-Peng Li, Feng-Yu Dong, Yan-Li Wang, Jing-Yao, Jing-Yao, Jun-Han Shi, Jun-Han Shi, Rui-Xin Liu, Rui-Xin Liu, Rui-Xin Liu, Rui-Xin Liu, Rui-Xin Liu   +18 more
doaj   +5 more sources

Application of Gas Chromatography-Ion Mobility Spectroscopy for Honey Quality Evaluation [PDF]

Shipin gongye ke-ji
Honey is rich in nutrients and has a wide range of biological activities. However, due to the different botanical origins, geographical origins, entomological origins, and maturity, honey shows significant differences in their endogenous compositions and
Daoqi LONG, Zhenping LIU, Fangyuan GAN, Xuejian ZHANG, Xiaohua XIA, Rong JIANG, Kejing PANG, Qingyu NIE   +7 more
doaj   +3 more sources

Research Progress in the Application of Gas Chromatography-Ion Mobility Spectrometry in Food Authentication [PDF]

Shipin Kexue
Gas chromatography-ion mobility spectrometry (GC-IMS) is a sensitive analytical technology for the detection, identification and monitoring of trace substances in different matrices, which enables secondary rapid separation and high-precision qualitative
ZHANG Biying, SUI Yumeng, ZHANG Xin, LI Yongjie, KONG Baohua, LIU Haotian, CHEN Qian
doaj   +3 more sources

Evaluation of floral volatile patterns in the genus Narcissus using gas chromatography–coupled ion mobility spectrometry [PDF]

Applications in Plant Sciences, 2023
Premise Daffodils (Narcissus, Amaryllidaceae) are iconic ornamentals with a complex floral biology and many fragrant species; however, little is known about floral plant volatile organic compounds (pVOCs) across the genus and additional sampling is ...
Florian Losch, Sascha Liedtke, Wolfgang Vautz, Maximilian Weigend   +3 more
doaj   +2 more sources

Comparative Analysis of Volatile Organic Compounds in Freshwater-Cultured and Saline-Alkaline Selectively Bred Tilapia Using Electronic Nose, GC-IMS, and HS-SPME-GC-MS. [PDF]

Foods
Wang Z, Yang Y, Zhang D, Li J, Zhang L, Zhao Y, Zhao J, Zhang J, Wu J.   +8 more
europepmc   +3 more sources

Non-Targeted Screening Approaches for Profiling of Volatile Organic Compounds Based on Gas Chromatography-Ion Mobility Spectroscopy (GC-IMS) and Machine Learning

Molecules, 2021
Due to its high sensitivity and resolving power, gas chromatography-ion mobility spectrometry (GC-IMS) is a powerful technique for the separation and sensitive detection of volatile organic compounds.
Charlotte Capitain, Philipp Weller
doaj   +1 more source

gc-ims-tools – A new Python package for chemometric analysis of GC–IMS data

Food Chemistry, 2022
Due to its high sensitivity and resolving power, gas chromatography ion mobility spectrometry (GC-IMS) is an emerging benchtop technique for non-target screening of complex sample materials. Given the wide range of applications, such as food authenticity, custom data analysis workflows are needed.
Joscha, Christmann, Sascha, Rohn, Philipp, Weller   +2 more
openaire   +2 more sources

Comparative Study of E-Nose, GC-MS, and GC-IMS to Distinguish Star Anise Essential Oil Extracted Using Different Extraction Methods

Separations, 2023
In this study, star anise (Illicium verum) essential oils (SAEOs) were extracted by hydrodistillation (HD), ethanol solvent extraction (ESE), supercritical CO2 (SCD) and subcritical extraction (SE) via electronic nose (E-nose), gas chromatography-mass ...
Xianghua Chai, Xiaowan Huang, Tong Zhang, Kegang Wu, Xuejuan Duan, Hongpeng Yu, Xiaoli Liu   +6 more
doaj   +1 more source

Towards batch correction for GC-IMS data

2022 IEEE International Symposium on Olfaction and Electronic Nose (ISOEN), 2022
Gas Chromatography Ion Mobility Spectrometry (GC-IMS) is a fast, non-expensive analytical technique that allows obtaining relevant chemical information from vapor mixtures. However, the technique presents some difficulties that should be solved to ensure reliable and reproducible results, namely: 1) data exhibits simultaneously high dimensionality and ...
Fernández Romero, Luis, Blanco i Borrego, Arnau, Mallafré Muro, Celia, Marco Colás, Santiago   +3 more
openaire   +2 more sources

Limitations of GC-QTOF-MS Technique in Identification of Odorous Compounds from Wastewater: The Application of GC-IMS as Supplement for Odor Profiling

Atmosphere, 2021
Odorous emissions from wastewater treatment plants (WWTPs) cause negative impacts on the surrounding areas and possible health risks on nearby residents. However, the efficient and reliable identification of WWTPs’ odorants is still challenging.
Wei Gao, Xiaofang Yang, Xinmeng Zhu, Ruyuan Jiao, Shan Zhao, Jianwei Yu, Dongsheng Wang   +6 more
doaj   +1 more source