Linked Life Data

3360884

Source:http://linkedlifedata.com/resource/pubmed/id/3360884

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
1988-6-8
pubmed:abstractText
Dansylation of phenolic steroids was carried out in chloroform-water and hexane-water two-phase systems with a tetrabutylammonium salt as phase transfer catalyst. Derivatization was complete within a few minutes on shaking at room temperature. Direct injection of part of the organic phase into a normal-phase liquid chromatography system was possible. The calibration graph of ethinyl estradiol, dansylated in a chloroform-water two-phase system, was linear over three orders of magnitude with a correlation coefficient of 0.993 (n = 8). The detection limit of dansylated ethinyl estradiol was 100 pg (signal-to-noise ratio = 2). The reproducibility of the derivatization at an analyte concentration of 200 ng/ml in chloroform was 4.1% (relative standard deviation; n = 5). A mechanism is proposed for the phase transfer catalysed dansylation of phenolic compounds.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Feb
pubmed:issn
0021-9673
pubmed:author
pubmed:issnType
Print
pubmed:day
19
pubmed:volume
436
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
429-36
pubmed:dateRevised
2004-11-17
pubmed:meshHeading
pubmed:year
1988
pubmed:articleTitle
Rapid and simple dansylation of phenolic steroids using a two-phase system and phase transfer catalysis.
pubmed:affiliation
Department of Analytical Chemistry, Free University, Amsterdam, The Netherlands.
pubmed:publicationType
Journal Article