Switch to
Predicate | Object |
---|---|
rdf:type | |
lifeskim:mentions | |
pubmed:issue |
1
|
pubmed:dateCreated |
1998-12-18
|
pubmed:abstractText |
A postcolumn receptor-affinity detection (RAD) was developed for the detection of urokinase and cross-reactive compounds. The analytical method consisted of gradient reversed-phase HPLC coupled on-line to a RAD system based on fluorescein-labelled urokinase receptor (fluorescein-uPAR) as reagent. Fluorescein-uPAR was added continuously to the HPLC effluent to react with analytes eluting from the LC column. Unreacted fluorescein-uPAR was removed by a short affinity column packed with an immobilised urokinase support. The analyte-bound fluorescein-uPAR fraction passes the affinity column unretained and was detected downstream by means of a fluorescence detector. An absolute detection limit of 40 fmol urokinase was obtained in the flow injection mode. In the gradient HPLC-RAD system a detection limit of 40 nM (20-microl injection, absolute amount, 800 fmol) was obtained. The present method allowed the identification of active breakdown products of urokinase both in standard samples and biological matrices.
|
pubmed:language |
eng
|
pubmed:journal | |
pubmed:citationSubset |
IM
|
pubmed:chemical | |
pubmed:status |
MEDLINE
|
pubmed:month |
Sep
|
pubmed:issn |
1387-2273
|
pubmed:author | |
pubmed:issnType |
Print
|
pubmed:day |
11
|
pubmed:volume |
715
|
pubmed:owner |
NLM
|
pubmed:authorsComplete |
Y
|
pubmed:pagination |
331-8
|
pubmed:dateRevised |
2008-11-21
|
pubmed:meshHeading |
pubmed-meshheading:9792519-Chromatography, Affinity,
pubmed-meshheading:9792519-Chromatography, High Pressure Liquid,
pubmed-meshheading:9792519-Flow Injection Analysis,
pubmed-meshheading:9792519-Fluorescein,
pubmed-meshheading:9792519-Receptors, Cell Surface,
pubmed-meshheading:9792519-Receptors, Urokinase Plasminogen Activator,
pubmed-meshheading:9792519-Spectrum Analysis
|
pubmed:year |
1998
|
pubmed:articleTitle |
Gradient reversed-phase liquid chromatography coupled on-line to receptor-affinity detection based on the urokinase receptor.
|
pubmed:affiliation |
Leiden/Amsterdam Center for Drug Research, Division of Analytical Chemistry, University of Leiden, The Netherlands.
|
pubmed:publicationType |
Journal Article
|