Zobrazeno 1 - 10
of 2 423
pro vyhledávání: '"dispersive solid phase extraction"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024)
Abstract This study was performed for the determination of nineteen azo dyes at trace levels in stream water sample by gas chromatography-mass spectrometry (GC-MS). The selected analytes were preconcentrated with the help of dispersive solid phase ex
Externí odkaz:
https://doaj.org/article/b0a733d3d8d44fab8c0509e3f4612a9a
Publikováno v:
Food Chemistry: X, Vol 23, Iss , Pp 101555- (2024)
In this study, a convenient and effective method for determination of perfluoroalkyl substances (PFASs) in infant formula was developed based on a novel dispersive solid-phase extraction using deep eutectic solvent-functionalized amorphous UiO-66 (DE
Externí odkaz:
https://doaj.org/article/ad8ed98b51c043d38c9b42ade397a027
Autor:
Gürsel İşçi
Publikováno v:
Turkish Journal of Agriculture: Food Science and Technology, Vol 12, Iss 4, Pp 666-674 (2024)
The aim of this study was to explore the concentrations of PAEs (Phthalate esters) in milk in Türkiye. For this purpose, a methodology was developed to quantify eight different PAEs in milk samples using a combination of dispersive solid-phase extra
Externí odkaz:
https://doaj.org/article/e8797c699ce14fac82170a6a78c76d03
Autor:
Thabiso Xolo, Precious Mahlambi
Publikováno v:
Journal of Analytical Science and Technology, Vol 15, Iss 1, Pp 1-18 (2024)
Abstract The antiretroviral drugs (ARVDs) have been reported to be among the emerging water pollutants as a results attention is being paid on their analysis. This work therefore explored for the first time the multi-template MIP for the selective re
Externí odkaz:
https://doaj.org/article/43b0b6530b474d24aaec1ccc5a39d0fc
Publikováno v:
Journal of Future Foods, Vol 4, Iss 1, Pp 97-104 (2024)
A sensitive and reliable method was developed and validated for the simultaneous determination of 6 carbamate pesticides and relevant metabolites based on the modified fast QuEChERS (quick, easy, cheap, effective, rugged and safe) method combined wit
Externí odkaz:
https://doaj.org/article/7c4e7f7c77d74b19a3c95e8966c0316f
Publikováno v:
Shipin gongye ke-ji, Vol 45, Iss 3, Pp 293-301 (2024)
In order to improve the chromatographic separation efficiency of pesticide residues and reduce matrix effects, a lipophilicity-matched chromatographic separation strategy was proposed in this study. The triazole fungicides in fruits and vegetables we
Externí odkaz:
https://doaj.org/article/dca7ea2ea4ee468fb4bb82a85bfa885c
Publikováno v:
Shipin yu jixie, Vol 39, Iss 10, Pp 75-79 (2023)
Objective： An ultra performance liquid chromatography-quadrupole/time-of-flight mass spectrometry （UPLC-Q-TOF/MS） method was established for the determination of abietic acids in poultry. Methods： The samples were extracted with acetonitrile,
Externí odkaz:
https://doaj.org/article/5d58393c8c1d4a5087529dd2df744e26
Publikováno v:
Shipin Kexue, Vol 44, Iss 20, Pp 387-392 (2023)
A method for the determination of sulfotep, dimethoate, fenitrothion, parathion, methidathion, triazophos and azinos residues in vegetables and fruits by dispersive solid phase extraction (SPE) using a carbon aerogel-based sorbent combined with gas c
Externí odkaz:
https://doaj.org/article/07672c623e6c45008a4d10bd95450bb5
Publikováno v:
Molecules, Vol 29, Iss 15, p 3675 (2024)
A novel magnetic nanomaterial with Fe3O4 as the core, PS-DVB as the shell layer, and the surface modified with C18 (C18−PS−DVB−Fe3O4) had been synthesized by seeded emulsion polymerization. C18−PS−DVB−Fe3O4 retains the advantages of the c
Externí odkaz:
https://doaj.org/article/48d22f0ad90041b4a72944b004ff6a30
Publikováno v:
Shipin Kexue, Vol 44, Iss 18, Pp 305-315 (2023)
A method was developed for the simultaneous detection of 46 ginsenosides in different processed ginseng products by dispersive solid phase extraction combined with ultra-high performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). Th
Externí odkaz:
https://doaj.org/article/72930c06bbe84be4bcb1ca6d8b861543