Abstract
AbstractAttenuated total reflection (ATR)‐Fourier transform infrared (FTIR) spectroscopic imaging combined with a gelatine tape lift method was applied to fingermarks contaminated with various types of cosmetic residues and drugs. This approach allowed not only the imaging of partial fingermarks but also demonstrated the advantage of this chemical imaging methodology in being able to detect heterogeneously distributed localized compounds after surfaces contaminated with various types of cosmetics or drug residues had been handled. This is the first time that the detection of cosmetics in fingermarks deposited on nonporous and porous surfaces has been performed. These results show a potential extension of the applicability of ATR‐FTIR imaging to forensic science. Copyright © 2009 John Wiley & Sons, Ltd.
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