Results 11 to 20 of about 7,080 (210)

GC-IMS data on the discrimination between geographic origins of olive oils

Data in Brief, 2022
Gas chromatography hyphenated with ion mobility spectrometry (GC-IMS) is an emerging benchtop technique for sensitive and selective detection of volatile organic compounds.
Joscha Christmann, Sascha Rohn, Philipp Weller   +2 more
doaj   +3 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

Discrimination of different edible vegetable oils based on GC-IMS and SIMCA

CyTA - Journal of Food, 2023
Ion mobility spectrometry coupled to gas-chromatographic (GC-IMS) is tested regarding their ability to analyze various refined edible vegetable oils, including sunflower seed, rapeseed, sesame, soybean, peanut, corn, camellia, linseed, walnut, coconut ...
Dechun Geng, Xinyu Chen, Daoli Lu, Bin Chen   +3 more
doaj   +3 more sources

Optimization of GC-IMS parameters and determination of volatile fingerprint of flavors and fragrances using GC-IMS

CyTA - Journal of Food
To investigate the optimum parameters of gas chromatography ion mobility spectrometry (GC-IMS) in determination of flavors and fragrances in tobacco. The effects of reaction parameters such as chromatographic column temperature, incubation temperature ...
Dechun Geng, Xinyu Chen, Jing Jin, Daoli Lu, Yujia Huo, Bin Chen   +5 more
doaj   +3 more sources

An optimized GC-IMS system with significantly increased sensitivity [PDF]

, 2018
Ion mobility spectrometers are extremely fast and sensitive trace gas detectors, but when analyzing complex mixtures, they suffer from disadvantages associated with atmospheric pressure chemical ionization (APCI). This ionization is however necessary for
Kirk, Ansgar T., Kueddelsmann, Maximilian J., Zimmermann, Stefan   +2 more
core   +3 more sources

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   +3 more sources

Preprocessing Methods for GC-IMS Image Analysis [PDF]

Bulletin of the Polytechnic Institute of Iași. Electrical Engineering, Power Engineering, Electronics Section, 2021
Abstract The paper presents a cascade of preprocessing procedures aiming at enhancing the quality of images generated by gas-chromatography ion mobility spectrometers (GC-IMS). The methods successfully eliminate the Reactant Ion Peak (RIP) lines, while additionally filtering out noisy components.
Condaragiu, Simona, Lucanu, Nicolae, Lebhardt, Philipp, Langejuergen, Jens, Ciocoiu, Iulian B.   +4 more
openaire   +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