Zobrazeno 1 - 10
of 2 076
pro vyhledávání: '"solid-phase extraction SPE"'
Publikováno v:
Journal of Hebei University of Science and Technology, Vol 45, Iss 4, Pp 454-460 (2024)
In order to accurately determine the trace content of hydrochlorothiazide in water, a solid phase extraction (SPE) combined with high performance liquid chromatography (HPLC) was established. Firstly, the collected water sample (1 000 mL) was purifie
Externí odkaz:
https://doaj.org/article/438766e5e43f4f42a360ff7e46fb2dbe
Publikováno v:
Shipin gongye ke-ji, Vol 45, Iss 4, Pp 250-260 (2024)
Investigation of the aroma differences among different kinds of soy sauces is beneficial for controlling their flavor quality and processing improvement from the perspectives of raw materials and brewing techniques. The aroma compounds in ten premium
Externí odkaz:
https://doaj.org/article/42945d5d1feb43c683c51cbbdab5380f
Publikováno v:
Shipin gongye ke-ji, Vol 45, Iss 3, Pp 277-283 (2024)
A method for detecting mebendazole and its metabolites in cattle and sheep products was established by EMR-Lipid-ultra-performance liquid chromatography-tandem mass spectrometry. The samples were first extracted by oscillation with 0.2% ammoniated ac
Externí odkaz:
https://doaj.org/article/bdb42240d77942049b2d54c9f2e8a32f
Publikováno v:
Shipin gongye ke-ji, Vol 45, Iss 1, Pp 284-294 (2024)
A method based on solid phase extraction (SPE) combined with ultra-high performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) was established for the determination of 24 acid industrial dyes in food. The sample was extracted with am
Externí odkaz:
https://doaj.org/article/37f76ba95c4940e5be3ce989b7e651df
Publikováno v:
Molecules, Vol 29, Iss 22, p 5444 (2024)
This study deals with the separation and detection methods for 12 synthetic musk compounds (SMCs), which are some of the emerging contaminants in fish samples, are widely present in environmental media, and can be considered serious risks due to thei
Externí odkaz:
https://doaj.org/article/4d17df8cfba34b10b75d31f0b642ec12
Publikováno v:
Molecules, Vol 29, Iss 19, p 4752 (2024)
The preparation of samples for instrumental analysis is the most essential and time-consuming stage of the entire analytical process; it also has the greatest impact on the analysis results. Concentrating the sample, changing its matrix, and removing
Externí odkaz:
https://doaj.org/article/e25f5e547d61460db079d285597408c0
Publikováno v:
Baghdad Science Journal, Vol 21, Iss 5 (2024)
This paper demonstrates that the synthesising and storage of molecular-imprinted polymers (MIP) at room temperature using bulk polymerisation of Metformin (Met) is characterised by high sensitivity, reduced costs, increased stability, and extended li
Externí odkaz:
https://doaj.org/article/dc1024261a1447679e69373e98c127af
Autor:
Lennart Gehrenkemper, Isabel Rühl, Tanja Westphalen, Fabian Simon, Marcus von der Au, Antje Cossmer, Björn Meermann
Publikováno v:
Environmental Sciences Europe, Vol 35, Iss 1, Pp 1-13 (2023)
Abstract In this study, we present a screening method based on molecular absorption spectrometry to study PFAS uptake and fate in plants. To evaluate the suitability of this method we analyzed plant extracts with molecular absorption spectrometry (MA
Externí odkaz:
https://doaj.org/article/c1a588cd4d41436988a5093b8244e2e7
Publikováno v:
Antibiotics, Vol 13, Iss 4, p 335 (2024)
Antimicrobial resistance (AMR) has emerged and spread globally. Recent studies have also reported the presence of antimicrobials in a wide variety of aquatic environments. Conducting a nationwide monitoring survey of AMR in the environment to elucida
Externí odkaz:
https://doaj.org/article/0e3578e9adb743e8b4f03b710bfaa387
Autor:
Md. Al Amin, Yunlong Luo, Feng Shi, Linbo Yu, Yanju Liu, Annette Nolan, Olalekan Simon Awoyemi, Mallavarapu Megharaj, Ravi Naidu, Cheng Fang
Publikováno v:
Frontiers in Chemistry, Vol 11 (2023)
Total oxidisable precursor (TOP) assay can oxidise some per- and polyfluoroalkyl substances (PFASs) and their precursors, most of which cannot be quantitatively detected so far, and convert them to detectable PFASs, such as perfluoroalkyl acids (PFAA
Externí odkaz:
https://doaj.org/article/853c63485f864ed6aeb5e1599486e031