Determination of zaleplon and zolpidem by liquid chromatography–turbo-ionspray mass spectrometry: application to forensic cases
Zolpidem and zaleplon are two short-acting hypnotic agents used in Europe and in the USA. An atmospheric pressure ionisation liquid chromatography–mass spectrometry (Sciex API 150 EX) method was developed for the determination of zolpidem and zaleplon in whole blood. After single-step liquid–liquid...
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| Veröffentlicht in: | Journal of chromatography. B 2003-06, Vol.789 (1), p.131-138 |
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| container_title | Journal of chromatography. B |
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| creator | Giroud, Christian Augsburger, Marc Menetrey, Annick Mangin, Patrice |
| description | Zolpidem and zaleplon are two short-acting hypnotic agents used in Europe and in the USA. An atmospheric pressure ionisation liquid chromatography–mass spectrometry (Sciex API 150 EX) method was developed for the determination of zolpidem and zaleplon in whole blood. After single-step liquid–liquid extraction, the hypnotics were separated by gradient-elution with an ammonium formate buffer/acetonitrile eluent on an Inertsil ODS-3 column. Methaqualone was used as internal standard. The recovery was higher than 70% for both hypnotics and the internal standard. The best fit for the calibration curve was achieved, between 1 and 250 ng/ml, with 1/
x quadratic regression. Coefficients of intra- and inter-assay variation calculated at 5, 25 and 100 ng/ml were less than 10%. The method was successfully applied to forensic cases. |
| doi_str_mv | 10.1016/S1570-0232(03)00135-1 |
| format | Article |
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x quadratic regression. Coefficients of intra- and inter-assay variation calculated at 5, 25 and 100 ng/ml were less than 10%. The method was successfully applied to forensic cases.</description><identifier>ISSN: 1570-0232</identifier><identifier>EISSN: 1873-376X</identifier><identifier>DOI: 10.1016/S1570-0232(03)00135-1</identifier><identifier>PMID: 12726851</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Acetamides - blood ; Biological and medical sciences ; Chromatography, Liquid - methods ; Drug intoxications. Doping ; Forensic Medicine ; Humans ; Hypnotics and Sedatives - blood ; Mass Spectrometry - methods ; Medical sciences ; Pharmacology. Drug treatments ; Pyridines - blood ; Pyrimidines - blood ; Reference Standards ; Reproducibility of Results ; Zaleplon ; Zolpidem</subject><ispartof>Journal of chromatography. B, 2003-06, Vol.789 (1), p.131-138</ispartof><rights>2003 Elsevier Science B.V.</rights><rights>2003 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c391t-834ac2be676846a8a907167cff5c100c12d28110d78f2f81d6c29422b5143d873</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S1570023203001351$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>309,310,314,776,780,785,786,3537,23909,23910,25118,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=14771189$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/12726851$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Giroud, Christian</creatorcontrib><creatorcontrib>Augsburger, Marc</creatorcontrib><creatorcontrib>Menetrey, Annick</creatorcontrib><creatorcontrib>Mangin, Patrice</creatorcontrib><title>Determination of zaleplon and zolpidem by liquid chromatography–turbo-ionspray mass spectrometry: application to forensic cases</title><title>Journal of chromatography. B</title><addtitle>J Chromatogr B Analyt Technol Biomed Life Sci</addtitle><description>Zolpidem and zaleplon are two short-acting hypnotic agents used in Europe and in the USA. An atmospheric pressure ionisation liquid chromatography–mass spectrometry (Sciex API 150 EX) method was developed for the determination of zolpidem and zaleplon in whole blood. After single-step liquid–liquid extraction, the hypnotics were separated by gradient-elution with an ammonium formate buffer/acetonitrile eluent on an Inertsil ODS-3 column. Methaqualone was used as internal standard. The recovery was higher than 70% for both hypnotics and the internal standard. The best fit for the calibration curve was achieved, between 1 and 250 ng/ml, with 1/
x quadratic regression. Coefficients of intra- and inter-assay variation calculated at 5, 25 and 100 ng/ml were less than 10%. The method was successfully applied to forensic cases.</description><subject>Acetamides - blood</subject><subject>Biological and medical sciences</subject><subject>Chromatography, Liquid - methods</subject><subject>Drug intoxications. Doping</subject><subject>Forensic Medicine</subject><subject>Humans</subject><subject>Hypnotics and Sedatives - blood</subject><subject>Mass Spectrometry - methods</subject><subject>Medical sciences</subject><subject>Pharmacology. Drug treatments</subject><subject>Pyridines - blood</subject><subject>Pyrimidines - blood</subject><subject>Reference Standards</subject><subject>Reproducibility of Results</subject><subject>Zaleplon</subject><subject>Zolpidem</subject><issn>1570-0232</issn><issn>1873-376X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkMFu1TAQRS1ERUvhE0DegGAR8NhJnNcNQoUWpEosAImd5dhjapTEqe0gpavyDfwhX4Jf30Ndspq7OHdmdAh5AuwVMGhff4ZGsopxwV8w8ZIxEE0F98gRdFJUQrbf7pf8DzkkD1P6USDJpHhADoFL3nYNHJFf7zBjHP2ksw8TDY5e6wHnoWQ9WXodhtlbHGm_0sFfLd5ScxnDqHP4HvV8uf65-Z2X2IeqtNMc9UpHnRJNM5pcOMxxPaF6ngdvdhdyoC5EnJI31OiE6RE5cHpI-Hg_j8nXs_dfTj9UF5_OP56-vaiM2ECuOlFrw3tsZdvVre70hklopXGuMcCYAW55B8Cs7Bx3HdjW8E3Ned9ALWyRckye7_bOMVwtmLIafTI4DHrCsCQlBa-ZaKCAzQ40MaQU0ak5-lHHVQFTW_fq1r3ailVMqFv3att7uj-w9CPau9ZedgGe7QGdjB5c1JPx6Y6rpQToNoV7s-Ow6PjpMapkPE4GrY9Fq7LB_-eVvydHo_k</recordid><startdate>20030605</startdate><enddate>20030605</enddate><creator>Giroud, Christian</creator><creator>Augsburger, Marc</creator><creator>Menetrey, Annick</creator><creator>Mangin, Patrice</creator><general>Elsevier B.V</general><general>Elsevier Science</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20030605</creationdate><title>Determination of zaleplon and zolpidem by liquid chromatography–turbo-ionspray mass spectrometry: application to forensic cases</title><author>Giroud, Christian ; Augsburger, Marc ; Menetrey, Annick ; Mangin, Patrice</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c391t-834ac2be676846a8a907167cff5c100c12d28110d78f2f81d6c29422b5143d873</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>Acetamides - blood</topic><topic>Biological and medical sciences</topic><topic>Chromatography, Liquid - methods</topic><topic>Drug intoxications. Doping</topic><topic>Forensic Medicine</topic><topic>Humans</topic><topic>Hypnotics and Sedatives - blood</topic><topic>Mass Spectrometry - methods</topic><topic>Medical sciences</topic><topic>Pharmacology. Drug treatments</topic><topic>Pyridines - blood</topic><topic>Pyrimidines - blood</topic><topic>Reference Standards</topic><topic>Reproducibility of Results</topic><topic>Zaleplon</topic><topic>Zolpidem</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Giroud, Christian</creatorcontrib><creatorcontrib>Augsburger, Marc</creatorcontrib><creatorcontrib>Menetrey, Annick</creatorcontrib><creatorcontrib>Mangin, Patrice</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of chromatography. 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| ispartof | Journal of chromatography. B, 2003-06, Vol.789 (1), p.131-138 |
| issn | 1570-0232 1873-376X |
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| source | MEDLINE; Elsevier ScienceDirect Journals Complete |
| subjects | Acetamides - blood Biological and medical sciences Chromatography, Liquid - methods Drug intoxications. Doping Forensic Medicine Humans Hypnotics and Sedatives - blood Mass Spectrometry - methods Medical sciences Pharmacology. Drug treatments Pyridines - blood Pyrimidines - blood Reference Standards Reproducibility of Results Zaleplon Zolpidem |
| title | Determination of zaleplon and zolpidem by liquid chromatography–turbo-ionspray mass spectrometry: application to forensic cases |
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