期刊
FORENSIC SCIENCE INTERNATIONAL
卷 241, 期 -, 页码 96-101出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.forsciint.2014.05.004
关键词
Entomotoxicology; Methamphetamine; GC-MS
Entomotoxicology is the study of using insects for the detection of drugs and other chemical substances in decomposing tissues. One research aspect in particular is the effects of these substances on arthropod development and morphology, and their consequences on the post mortem interval estimation. Since methamphetamine (MA) is becoming commonplace as an illegal recreational drug, a GC-MS method for the detection of MA in Calliphora vomitoria L. (Diptera: Calliphoridae) was developed and validated. Furthermore, the effect of MA on the development, growth rates and survival of the blowfly was investigated. Larvae were reared on liver substrates homogeneously spiked with measured amounts of MA (5 ngg and 10 ngg) based on typical concentrations found in human tissue in cases of death caused by MA overdose. The experimental results demonstrated that (i) MA produced a significant increase in the developmental time from egg to adult in C. vomitoria, (ii) approximately 60% of larvae exposed to either dose of MA died during the pupation period and (iii) the resultant lengths of larvae and pupae were on average significantly larger than the controls. (C) 2014 Elsevier Ireland Ltd. All rights reserved.
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