Zobrazeno 1 - 10
of 2 303
pro vyhledávání: '"Comprehensive two-dimensional gas chromatography"'
Publikováno v:
Zhipu Xuebao, Vol 45, Iss 5, Pp 631-639 (2024)
The volatile components of Citri Grandis Exocarpium from Huazhou (CGEH) and Guangxi (CGEG) were analyzed by portable gas chromatography-mass spectrometry (GC-MS) and comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometry (G
Externí odkaz:
https://doaj.org/article/8f621ac0685849808e68bd1a262ba541
Autor:
Ciro Orecchio, Andrea Bedini, Monica Romagnoli, Sebastiano Pantò, Eugenio Alladio, Marco Pazzi
Publikováno v:
Heliyon, Vol 10, Iss 15, Pp e35687- (2024)
Fifty-six samples of differently produced commercial Italian ciders were analysed for semi-volatile organic compounds (SVOCs) profiling, using comprehensive two-dimensional gas chromatography coupled to mass spectrometry (GC×GC-TOF-MS) technique for
Externí odkaz:
https://doaj.org/article/2b586c70c8ab43caa9173063c747e329
Publikováno v:
Journal of Chromatography Open, Vol 5, Iss , Pp 100140- (2024)
Organophosphorus and organochlorine pesticides, historically or currently widely used in agriculture, are prevalent in the environment and pose significant risks to public health and ecosystems. This study aimed to develop a robust analytical method
Externí odkaz:
https://doaj.org/article/472a5f30462b40598f922c958fd46f01
Publikováno v:
Journal of Chromatography Open, Vol 5, Iss , Pp 100116- (2024)
Old vine Chenin blanc (OVC) wines are produced from grapes harvested from vines older than 35 years, verified as Certified Heritage Vineyards in South Africa. This emerging premium wine style is of interest due to the purported unique sensory propert
Externí odkaz:
https://doaj.org/article/46ba7f8dbb1b4fb7b323366190a28817
Publikováno v:
Journal of Chromatography Open, Vol 5, Iss , Pp 100115- (2024)
Reverse fill/flush (RFF) differential flow modulators are a lower cost, consumable free, robust option to achieve comprehensive two-dimensional gas chromatography (GC × GC) with FID and MS dual detection. For the required highly detailed separation
Externí odkaz:
https://doaj.org/article/108572475a134fb899b1e5e6e9b21db1
Autor:
Hei Yin J. Chow, Tadeusz Górecki
Publikováno v:
Journal of Chromatography Open, Vol 5, Iss , Pp 100111- (2024)
This study evaluates the relationship between the power supply output (voltage (V), current (I), power (W)), used for heating a second dimension (²D) column, and the maximum heating rate and temperature offset achievable by custom built ²D temperat
Externí odkaz:
https://doaj.org/article/4d382ef6ee8d488f8622bdf6d3b7976d
Publikováno v:
Shipin Kexue, Vol 44, Iss 18, Pp 249-258 (2023)
In this investigation, headspace solid-phase microextraction (HS-SPME) coupled with comprehensive two-dimensional gas chromatography-time of flight mass spectrometry (GC × GC-TOFMS) was used to analyze the volatile compounds of traditional semi-dry
Externí odkaz:
https://doaj.org/article/2f4ac71e94f84b26864821143105a7d2
Publikováno v:
Shipin gongye ke-ji, Vol 44, Iss 15, Pp 312-319 (2023)
Objective: The fatty acid composition of peony seed oil for oil of different varieties and different origins in the Loess Plateau was studied, and the differences in peony seed oil for different oils were compared and evaluated. Methods: Gansu ‘Pae
Externí odkaz:
https://doaj.org/article/76a58a579cfa4fcea6a244ad92126920
Autor:
Yuan LIU, Chunping JIN, Zhilei JIA, Yongmeng FU, Baosen AN, Feihong XU, Ruidong FU, Ping WANG, Qiang ZOU, Qiming LI
Publikováno v:
Shipin gongye ke-ji, Vol 44, Iss 11, Pp 297-305 (2023)
In order to optimize the rehydration process of whole milk powder and explore the effect of low temperature rehydration on the flavor of reconstituted milk, headspace solid phase microextraction (HS-SPME) combined with comprehensive two-dimensional g
Externí odkaz:
https://doaj.org/article/08f34e7fb4d54a2da0026f0a3c6d64d5
Autor:
Nemanja Koljančić, Larissa Onça, Liudmyla Khvalbota, Olga Vyviurska, Adriano A. Gomes, Ivan Špánik
Publikováno v:
Current Research in Food Science, Vol 8, Iss , Pp 100725- (2024)
This study integrates genetic algorithm (GA) with partial least squares regression (PLSR) and various variable selection methods to identify impactful regions of interest (ROI) in heterogeneous 2D chromatogram images for predicting wine age. As wine
Externí odkaz:
https://doaj.org/article/4b0809b60e734ea2b3d9ef2d548f9e75