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Abstrakt
A method has been developed for the analysis of vanillylmandelic acid, homovanillic acid, and 5-hydroxyindoleacetic acid from baby urine as biomarkers of neuroblastoma in infants. Disposable diapers were employed as sampling devices in order to guarantee a low invasiveness during this step. The proposed method consists on a simple extraction step with water from the used diaper followed by the measurement using capillary electrophoresis with UV detection. The Box-Behnken design (BBD) was utilized to optimize the process of extracting catecholamine metabolites from the examined samples. The variables of the sample preparation step were optimized and the method was validated obtaining limits of quantification of 1.65 μg mL−1, good intraday and inter-day precision with RSDs under 15 %. Finally the method was applied to real samples collected from the Department of Neonatology, University Clinical Centre (Gdańsk, Poland). The greenness of the proposed method was also evaluated with different tools (i.e., AGREEPrep and GAPI) with satisfactory results, which allow to state that the method can be considered green. Moreover, its practicality was evaluated by application of BAGI tool, proving to be a practical and economical method to be applied in routine laboratories for determination of catecholamine metabolites in urine-type samples.
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Autorzy (4)
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Jose Grau PhD
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Magdalena Fabjanowicz
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Izabela Drążkowska
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuły w czasopismach
- Opublikowano w:
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JOURNAL OF CHROMATOGRAPHY A
nr 1736,
ISSN: 0021-9673 - Język:
- angielski
- Rok wydania:
- 2024
- Opis bibliograficzny:
- Grau J., Fabjanowicz M., Drążkowska I., Płotka-Wasylka J.: CE-UV method for the determination of catecholamine metabolites from baby pee-covered diapers// JOURNAL OF CHROMATOGRAPHY A -Vol. 1736, (2024), s.465329-
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.chroma.2024.465329
- Źródła finansowania:
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- IDUB
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 22 razy
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