Chiral derivatives of covalent organic framework TpBD (NH2 )2 used as stationary phases in gas chromatography.
Sign Up to like & getrecommendations! Published in 2022 at "Chirality"
DOI: 10.1002/chir.23408
Abstract: Chiral covalent organic framework materials have many excellent properties, which have received much attention in the field of separation. Synthesized the covalent organic framework COF-TpBD (NH2 )2 modified, respectively, by L-valine trifluoroacetyl derivative, L-hydroxyproline, and… read more here.
Keywords: covalent organic; organic framework; tpbd nh2; gas chromatography ... See more keywords
Extraction and preconcentration of triazine pesticides using rapid, simple, and disperser solventless microextraction technique followed by gas chromatography–nitrogen phosphorous detection
Sign Up to like & getrecommendations! Published in 2017 at "European Journal of Lipid Science and Technology"
DOI: 10.1002/ejlt.201600208
Abstract: In this study, a simple, rapid and efficient microextraction method followed by gas chromatography-nitrogen-phosphorous detection has been applied for the extraction, preconcentration and determination of some triazine pesticides in edible oil samples. In this method,… read more here.
Keywords: gas chromatography; extraction; detection; triazine pesticides ... See more keywords
Rapid and comprehensive evaluation of microalgal fatty acids via untargeted gas chromatography and time‐of‐flight mass spectrometry
Sign Up to like & getrecommendations! Published in 2019 at "Engineering in Life Sciences"
DOI: 10.1002/elsc.201900092
Abstract: Due to their high triacylglyceride content, microalgae are intensively investigated for bio‐economy and food applications. However, lipid analysis is a laborious task incorporating extraction, transesterification and typically gas chromatographic measurement. Co‐elution induces a significant risk… read more here.
Keywords: gas chromatography; fatty acids; time flight; chromatography time ... See more keywords
Routine quantification of 54 allergens in fragrances using comprehensive two‐dimensional gas chromatography‐quadrupole mass spectrometry with dual parallel secondary columns. Part I: Method development
Sign Up to like & getrecommendations! Published in 2018 at "Flavour and Fragrance Journal"
DOI: 10.1002/ffj.3416
Abstract: The forthcoming extension of the regulated fragrance allergen number is raising a challenge: the previously developed quantification methods need to be drastically improved in terms of rapidity, without altering their reliability. This work describes a… read more here.
Keywords: gas chromatography; secondary columns; gas; parallel secondary ... See more keywords
Characterization of the Volatile Organic Compounds Produced from Avocado during Ripening by Gas Chromatography Ion Mobility Spectrometry.
Sign Up to like & getrecommendations! Published in 2020 at "Journal of the science of food and agriculture"
DOI: 10.1002/jsfa.10679
Abstract: BACKGROUND During the storage of avocado, the volatile organic compounds produced from avocados may be distinct at different periods, and this difference may be related to the avocados' maturity degree, and no relevant research has… read more here.
Keywords: gas chromatography; compounds produced; organic compounds; volatile organic ... See more keywords
Determination of apple juice authenticity using gas chromatography-mass spectrometry, volt-ampere and new conductometric methods.
Sign Up to like & getrecommendations! Published in 2018 at "Journal of the science of food and agriculture"
DOI: 10.1002/jsfa.9003
Abstract: BACKGROUND Organoleptic properties and positive health effect on consumers both justify the importance of determining apple juice authenticity with respect to retail and wholesale trade networks worldwide. RESULTS Adulteration of apple juice through dilution with… read more here.
Keywords: gas chromatography; determination; apple; juice authenticity ... See more keywords
Quantification of fatty acids in erythrocytes and plasma by fast gas chromatography.
Sign Up to like & getrecommendations! Published in 2017 at "Journal of separation science"
DOI: 10.1002/jssc.201700030
Abstract: As a result of the heterogeneous nature of lipid classes in complex biological matrices such as plasma and erythrocytes, it is imperative to have a robust and validated methodology for fatty acid quantification. The effective… read more here.
Keywords: gas chromatography; methodology; fatty acids; gas ... See more keywords
Magnetic micro-solid-phase extraction based on magnetite-MCM-41 with gas chromatography-mass spectrometry for the determination of antidepressant drugs in biological fluids.
Sign Up to like & getrecommendations! Published in 2017 at "Journal of separation science"
DOI: 10.1002/jssc.201700549
Abstract: A new facile magnetic micro-solid-phase extraction coupled to gas chromatography and mass spectrometry detection was developed for the extraction and determination of selected antidepressant drugs in biological fluids using magnetite-MCM-41 as adsorbent. The synthesized sorbent… read more here.
Keywords: gas chromatography; extraction; antidepressant drugs; determination ... See more keywords
Solidification of floating organic droplet microextraction for determination of seven insecticides in fruit juice, vegetables and agricultural runoff using gas chromatography with flame ionization and mass spectrometry detection.
Sign Up to like & getrecommendations! Published in 2019 at "Journal of separation science"
DOI: 10.1002/jssc.201801193
Abstract: Liquid microextraction employing solidification of the floating organic droplet, with vortexing and heating to optimize extraction efficiency, was developed for the determination of seven insecticides in fruit juice, vegetables, and agricultural runoff water. The extracts… read more here.
Keywords: gas chromatography; determination; detection; fruit juice ... See more keywords
Exploration of the problems and solutions related to reference introduction prior to calibration of thermal desorber-gas chromatography.
Sign Up to like & getrecommendations! Published in 2019 at "Journal of separation science"
DOI: 10.1002/jssc.201900260
Abstract: Reference introduction in thermal desorption with gas chromatography is a critical aspect. It is mostly performed by offline liquid calibration using a micro syringe to inject a liquid standard solution on the sorbent in the… read more here.
Keywords: thermal desorber; gas chromatography; reference introduction; reference ... See more keywords
Fabric phase sorptive extraction for the determination of 17 multiclass fungicides in environmental water by gas chromatography-tandem mass spectrometry.
Sign Up to like & getrecommendations! Published in 2020 at "Journal of separation science"
DOI: 10.1002/jssc.201901232
Abstract: A rapid environmental pollution screening and monitoring workflow based on fabric phase sorptive extraction-gas chromatography-tandem mass spectrometry (FPSE-GC-MS/MS) is proposed for the first time for the analysis of 17 widespread used fungicides (metalaxyl, cyprodinil, tolylfluanid,… read more here.
Keywords: gas chromatography; extraction; fabric phase; water ... See more keywords