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Statements

Subject Item
n2:RIV%2F00216275%3A25310%2F13%3A39896727%21RIV14-MSM-25310___
rdf:type
n10:Vysledek skos:Concept
dcterms:description
A relative simple method for the simultaneous determination of epinephrine, norepinephrine and dopamine in urine is presented. We have used a high-performance liquid chromatography (HPLC) with coulometric electrochemical detection. Urine samples pretreatment by a solid-phase extraction were injected directly into the HPLC system and were eluted isocratically on a Discovery HS C18, 250 x 4 mm i.d., 5 um, analytical column. The analytical performance of this method is satisfactory: the intra-assay and inter-assay coefficients of variation were below 10%. Quantitative recoveries from spiked urine samples were at intervals 78.2-88.0% for epinephrine, 80.0-93.0% for norepinephrine, and 96.4-107.2% for dopamine. The linear range is 2-200 ug l-1, with a detection limit of 0.6 ug l-1 (signal-to-noise ratio = 3) for epinephrine, 5-500 ug l-1, with a detection limit of 1.5 ug l-1 for norepinephrine, and 20-2000 ug l-1, with a detection limit of 6 ug l-1 for dopamine. A relative simple method for the simultaneous determination of epinephrine, norepinephrine and dopamine in urine is presented. We have used a high-performance liquid chromatography (HPLC) with coulometric electrochemical detection. Urine samples pretreatment by a solid-phase extraction were injected directly into the HPLC system and were eluted isocratically on a Discovery HS C18, 250 x 4 mm i.d., 5 um, analytical column. The analytical performance of this method is satisfactory: the intra-assay and inter-assay coefficients of variation were below 10%. Quantitative recoveries from spiked urine samples were at intervals 78.2-88.0% for epinephrine, 80.0-93.0% for norepinephrine, and 96.4-107.2% for dopamine. The linear range is 2-200 ug l-1, with a detection limit of 0.6 ug l-1 (signal-to-noise ratio = 3) for epinephrine, 5-500 ug l-1, with a detection limit of 1.5 ug l-1 for norepinephrine, and 20-2000 ug l-1, with a detection limit of 6 ug l-1 for dopamine.
dcterms:title
Determination of epinephrine, norepinephrine and dopamine in human urine using high-performance liquid chromatography with coulometric detection Determination of epinephrine, norepinephrine and dopamine in human urine using high-performance liquid chromatography with coulometric detection
skos:prefLabel
Determination of epinephrine, norepinephrine and dopamine in human urine using high-performance liquid chromatography with coulometric detection Determination of epinephrine, norepinephrine and dopamine in human urine using high-performance liquid chromatography with coulometric detection
skos:notation
RIV/00216275:25310/13:39896727!RIV14-MSM-25310___
n10:predkladatel
n11:orjk%3A25310
n3:aktivita
n5:I n5:S
n3:aktivity
I, S
n3:cisloPeriodika
prosinec
n3:dodaniDat
n7:2014
n3:domaciTvurceVysledku
n8:8771928 n8:2726955 n8:2131188 n8:7332580 n8:3021246
n3:druhVysledku
n4:J
n3:duvernostUdaju
n17:S
n3:entitaPredkladatele
n15:predkladatel
n3:idSjednocenehoVysledku
68871
n3:idVysledku
RIV/00216275:25310/13:39896727
n3:jazykVysledku
n12:eng
n3:klicovaSlova
solid-phase extraction; coulometric electrochemical detection; liquid chromatography; dopamine; norepinephrine; epinephrine
n3:klicoveSlovo
n14:coulometric%20electrochemical%20detection n14:solid-phase%20extraction n14:norepinephrine n14:liquid%20chromatography n14:epinephrine n14:dopamine
n3:kodStatuVydavatele
CZ - Česká republika
n3:kontrolniKodProRIV
[47682EFFAC1D]
n3:nazevZdroje
Scientific Papers of the University of Pardubice, Series A, Faculty of Chemical Technology
n3:obor
n18:CE
n3:pocetDomacichTvurcuVysledku
5
n3:pocetTvurcuVysledku
5
n3:rokUplatneniVysledku
n7:2013
n3:svazekPeriodika
19
n3:tvurceVysledku
Kanďár, Roman Bencová, Soňa Žáková, Pavla Štramová, Xenie Drábková, Petra
s:issn
1211-5541
s:numberOfPages
14
n16:organizacniJednotka
25310