Monatsh Chem (2017) 148:1673–1678 DOI 10.1007/s00706-017-1984-y ORIGINAL PAPER GC–MS/MS method for age determination of ﬁngerprints 1 1 1 1 2,3 • • • • • Zoﬁa Szabo ´ ova ´ Paulı ´na Galbava ´ Alexandra Hengerics Szabo ´ Marek Ciga ´ n ˇ L ’ubos ˇ Niz ˇnansky ´ 1,4 1,5 Ro ´ bert Kubinec Jaroslav Blas ˇko Received: 31 January 2017 / Accepted: 13 April 2017 / Published online: 5 July 2017 Springer-Verlag Wien 2017 Abstract This work focuses on the monitoring of changes Keywords Fingerprint chemical composition in the time and incident light dependent ratio of endoge- Transesteriﬁcation Triglycerides Squalene nous analytes, squalene, and pentadecanoic acid, in Photodegradability ﬁngerprint samples by gas chromatography with tandem mass spectrometry. The method can be used for ﬁngerprint age determination of two age different samples on a glass Introduction surface from the same donor or allows identity determi- nation from ﬁngerprints of different persons imprinted at Fingerprints play a key role in criminal investigations and the same time, even in case of their blurring on a glass are the most frequently used form of evidence worldwide surface. [1, 2]. Fingerprints represent a complex mixture of various Graphical abstract substances
Monatshefte für Chemie - Chemical Monthly – Springer Journals
Published: Jul 5, 2017
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