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Statements

Subject Item
n2:RIV%2F60461373%3A22330%2F04%3A00012763%21RIV06-MZE-22330___
rdf:type
skos:Concept n14:Vysledek
dcterms:description
A simple and rapid capillary zone electrophoresis (CZE) method for the determination of aristolochic acid (AA) in dietary supplements and selected herbs is described. A clear separation of AA from other sample constituents was achieved within 5 minutes without any sample clean up. A mixture of 20 mM-morpholinethanesulphonic acid + 10 mM{BisTrisPropane + 0.2% hydroxyethylcelullose in 10% methanol serves as a background electrolyte. The linearity, accuracy, intra-assay and detection limit of the developedmethod are 200{6000 ng/mL, 95{103%, 3.5%, and 50 ng/mL, respectively. Ease of use, su#cient sensitivity and low running cost are the most important attributes of the CZE method. The proposed CZEmethod was compared with HPLC. Byla vyvinuta jednoduchá a rychlá metoda kapilární elektroforesy (CE) pro stanovení kyseliny aristolochové (AA) v bylinách a vybraných doplňcích stravy. Úplné separace AA od matrice vzorku bylo dosaženo během 5 minut bez jakékoliv předpravy vzorku. Jakonosný elektrolyt byla použita směs 20 mM morfolinethynsulfonové kyseliny + 10 mM BisTrisPropane + 0.2% hydroxyethylcelulosy + 10% methanolu. Byla zjištěna linearita metody, opakovatelnost, přesnost a mez detekce metody. Snadné použití, dostatečná citlivost a nízké provozní náklady jsou hlavní výhody CE ve srovnání s HPLC. Metoda byla porovnána s HPLC. A simple and rapid capillary zone electrophoresis (CZE) method for the determination of aristolochic acid (AA) in dietary supplements and selected herbs is described. A clear separation of AA from other sample constituents was achieved within 5 minutes without any sample clean up. A mixture of 20 mM-morpholinethanesulphonic acid + 10 mM{BisTrisPropane + 0.2% hydroxyethylcelullose in 10% methanol serves as a background electrolyte. The linearity, accuracy, intra-assay and detection limit of the developedmethod are 200{6000 ng/mL, 95{103%, 3.5%, and 50 ng/mL, respectively. Ease of use, su#cient sensitivity and low running cost are the most important attributes of the CZE method. The proposed CZEmethod was compared with HPLC.
dcterms:title
Stanovení aristolochové kyseliny kapilární elektroforesou Determination of Aristolochic acid by capillary zone electrophoresis Determination of Aristolochic acid by capillary zone electrophoresis
skos:prefLabel
Determination of Aristolochic acid by capillary zone electrophoresis Stanovení aristolochové kyseliny kapilární elektroforesou Determination of Aristolochic acid by capillary zone electrophoresis
skos:notation
RIV/60461373:22330/04:00012763!RIV06-MZE-22330___
n3:strany
417-424
n3:aktivita
n13:P n13:Z
n3:aktivity
P(QF3157), Z(MSM 223300004)
n3:cisloPeriodika
3
n3:dodaniDat
n11:2006
n3:domaciTvurceVysledku
n6:6962238 n6:4003594 n6:5918065 n6:8995354
n3:druhVysledku
n10:J
n3:duvernostUdaju
n16:S
n3:entitaPredkladatele
n17:predkladatel
n3:idSjednocenehoVysledku
560050
n3:idVysledku
RIV/60461373:22330/04:00012763
n3:jazykVysledku
n8:eng
n3:klicovaSlova
aristolochic acid; food supplement; herbs; slimming; capillary zone electrophoresis
n3:klicoveSlovo
n7:food%20supplement n7:slimming n7:capillary%20zone%20electrophoresis n7:aristolochic%20acid n7:herbs
n3:kodStatuVydavatele
PL - Polská republika
n3:kontrolniKodProRIV
[867C2FE53947]
n3:nazevZdroje
Central European Journal of Chemistry
n3:obor
n15:GM
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
4
n3:projekt
n18:QF3157
n3:rokUplatneniVysledku
n11:2004
n3:svazekPeriodika
2
n3:tvurceVysledku
Voldřich, Michal Krátká, Jana Kvasnička, František Ševčík, Rudolf
n3:zamer
n19:MSM%20223300004
s:issn
1644-3624
s:numberOfPages
8
n9:organizacniJednotka
22330