Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
5
pubmed:dateCreated
2011-5-20
pubmed:abstractText
A simple, new method permitting the simultaneous determination and confirmation of trace residues of 24 different growth promoters and metabolites using liquid chromatography-mass spectrometry was developed and validated. The compounds were extracted from bovine tissue using acetonitrile; sodium sulphate was also added at this stage to aid with purification. The resulting mixture was then evaporated to approximately 1 ml and subsequently centrifuged at high speed and an aliquot injected onto the LC-MS/MS system. The calculated CC? values ranged between 0.11 and 0.46 µg kg(-1); calculated CC? were in the range 0.19-0.79 µg kg(-1). Accuracy, measurement of uncertainty, repeatability and linearity were also determined for each analyte. The analytical method was applied to a number of bovine tissue samples imported into Ireland from third countries. Levels of progesterone were found in a number of samples at concentrations ranging between 0.28 and 30.30 µg kg(-1). Levels of alpha- and beta-testosterone were also found in a number of samples at concentrations ranging between 0.22 and 8.63 µg kg(-1) and between 0.16 and 2.08 µg kg(-1) respectively.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
May
pubmed:issn
1944-0057
pubmed:author
pubmed:issnType
Electronic
pubmed:volume
28
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
597-607
pubmed:meshHeading
pubmed-meshheading:21598141-Anabolic Agents, pubmed-meshheading:21598141-Androgens, pubmed-meshheading:21598141-Animals, pubmed-meshheading:21598141-Cattle, pubmed-meshheading:21598141-Chromatography, High Pressure Liquid, pubmed-meshheading:21598141-Drug Residues, pubmed-meshheading:21598141-Estrogens, pubmed-meshheading:21598141-European Union, pubmed-meshheading:21598141-Food Inspection, pubmed-meshheading:21598141-Humans, pubmed-meshheading:21598141-Ireland, pubmed-meshheading:21598141-Limit of Detection, pubmed-meshheading:21598141-Meat, pubmed-meshheading:21598141-Muscles, pubmed-meshheading:21598141-Progestins, pubmed-meshheading:21598141-Reproducibility of Results, pubmed-meshheading:21598141-Spectrometry, Mass, Electrospray Ionization, pubmed-meshheading:21598141-Statistics as Topic, pubmed-meshheading:21598141-Tandem Mass Spectrometry, pubmed-meshheading:21598141-Veterinary Drugs
pubmed:year
2011
pubmed:articleTitle
Surveillance study of a number of synthetic and natural growth promoters in bovine muscle samples using liquid chromatography-tandem mass spectrometry.
pubmed:affiliation
The State Laboratory, Backweston, Celbridge Co., Kildare, Ireland. edward.malone@statelab.ie
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't, Validation Studies