{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,7]],"date-time":"2026-07-07T06:08:29Z","timestamp":1783404509691,"version":"3.54.6"},"reference-count":19,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2019,7,9]],"date-time":"2019-07-09T00:00:00Z","timestamp":1562630400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["analyticalsciencejournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Drug Testing and Analysis"],"published-print":{"date-parts":[[2019,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The stability of compounds in formalin solution is an important factor for drug analysis in a toxicological investigation. In this article, the authors report a complex medico\u2010legal case involving midazolam and oxycodone. The complexity of this case comes from the fact that the body was embalmed with formalin solution before the autopsy. This technique, called thanatopraxy, allows the preservation of corpses from decomposition, the destruction of a maximal number of micro\u2010organisms, and the presentation of the body with a natural appearance to the family. Unfortunately, when thanatopraxy is performed before the collection of biological specimens, the toxicological results are not representative of the time of the death. In addition, the interpretation of the results is difficult, because formalin can cause oxidation of xenobiotics present in the body at the time of the death, alter the pH of the tissues and dilute the compounds. To document the chemical stability of midazolam and oxycodone in formalin solution and interpret the results, a stability study was conducted for 21\u00a0days. Blood containing midazolam and oxycodone was spiked with formalin, kept at 4\u00b0C and regularly tested for both drugs. This study showed a rapid degradation of midazolam and oxycodone (85% during the first 24 hours for oxycodone). In the peripheral blood of the victim, methanol (1.31\u00a0g\/L), midazolam (74ng\/mL) and oxycodone (152\u00a0ng\/mL) were identified. According to the stability study, the measured concentrations in formalin fixed\u2010tissues are to be interpreted very carefully, knowing that significant degradation has occurred.<\/jats:p>","DOI":"10.1002\/dta.2660","type":"journal-article","created":{"date-parts":[[2019,6,26]],"date-time":"2019-06-26T15:04:36Z","timestamp":1561561476000},"page":"1460-1464","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Testing for midazolam and oxycodone in blood after formalin\u2010embalmment: About a complex medico\u2010legal case"],"prefix":"10.1002","volume":"11","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1117-0887","authenticated-orcid":false,"given":"Alice","family":"Ameline","sequence":"first","affiliation":[{"name":"Institut de m\u00e9decine l\u00e9gale  Strasbourg 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