Nové přístupy v analýze obsahu steroidních estrogenů sedimentech

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22330%2F07%3A00019286" target="_blank" >RIV/60461373:22330/07:00019286 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Novel approaches to analysis of steroid estrogens in river sediments

Popis výsledku v původním jazyce

A wide range of estrogenic contaminants has been detected until now in the aquatic environment. Among them, natural and synthetic steroid estrogens, contained typically in municipal sewage treatment plant (STP) effluents, are in this respect the most potent chemicals. In our study, new GC/MS method has been developed for direct analysis of five major steroid estrogens (estrone, 17?-estradiol, 17?-ethinylestradiol, dienestrol and diethylstilbestrol) in river sediments. Four GC/MS systems employed for analysis of underivatized analytes in purified extracts were compared. Relatively low detection limits (1.5 - 5 ng/g dried sediment) and good repeatibility of GC splitless injections (RSD 1 - 2 %) were obtained in system employing low-pressure gas chromatography coupled to single quadrupole mass analyser (LP-GC/MS). The use of orthogonal gas chromatography (GCxGC) hyphenated with high-speed time-of-flight mass spectrometry (HSTOF-MS) enabled not only significantly better resolution of targe

Název v anglickém jazyce

Novel approaches to analysis of steroid estrogens in river sediments

Popis výsledku anglicky

A wide range of estrogenic contaminants has been detected until now in the aquatic environment. Among them, natural and synthetic steroid estrogens, contained typically in municipal sewage treatment plant (STP) effluents, are in this respect the most potent chemicals. In our study, new GC/MS method has been developed for direct analysis of five major steroid estrogens (estrone, 17?-estradiol, 17?-ethinylestradiol, dienestrol and diethylstilbestrol) in river sediments. Four GC/MS systems employed for analysis of underivatized analytes in purified extracts were compared. Relatively low detection limits (1.5 - 5 ng/g dried sediment) and good repeatibility of GC splitless injections (RSD 1 - 2 %) were obtained in system employing low-pressure gas chromatography coupled to single quadrupole mass analyser (LP-GC/MS). The use of orthogonal gas chromatography (GCxGC) hyphenated with high-speed time-of-flight mass spectrometry (HSTOF-MS) enabled not only significantly better resolution of targe

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

DJ - Znečištění a kontrola vody

OECD FORD obor

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Projekt

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Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2007

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Analytical and Bioanalytical Chemistry

ISSN

1618-2642

e-ISSN

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Svazek periodika

387

Číslo periodika v rámci svazku

1

Stát vydavatele periodika

DE - Spolková republika Německo

Počet stran výsledku

13

Strana od-do

1351-1363

Kód UT WoS článku

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EID výsledku v databázi Scopus

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