Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
2009-5-26
pubmed:abstractText
A sensitive LC-ESI-MS method has been developed and validated for the determination of bencycloquidium bromide (BCQB) in human urine samples. The method utilized a solid-phase extraction (SPE) procedure, choosing carboxy propyl phase (CBA) as the extracting sorbent for purification of BCQB, with better baseline and higher selectivity achieved. Sample preparation by this method yielded very good and consistent mean recovery of above 94.5%. Another major benefit of the present method was the high detectability, with a lower limit of quantification (LLOQ) of 0.02ng/ml. The developed method was successfully applied to determine BCQB in human urine, and was proved to be suitable for use in Phase I clinical pharmacokinetic study of BCQB.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Aug
pubmed:issn
1873-264X
pubmed:author
pubmed:issnType
Electronic
pubmed:day
15
pubmed:volume
50
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
35-40
pubmed:meshHeading
pubmed:year
2009
pubmed:articleTitle
Determination of bencycloquidium bromide in human urine using weak cation-exchange solid-phase extraction and LC-ESI-MS: Method validation and application to kinetic study of urinary excretion.
pubmed:affiliation
Department of Pharmaceutical Analysis, China Pharmaceutical University, Nanjing, China.
pubmed:publicationType
Journal Article, Validation Studies