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http://dx.doi.org/10.1002/rcm.2243

has been cited by the following article:

• TITLE: Analyzing Brazilian Driver’s License Authenticity by Easy Ambient Sonic-Spray Ionization Mass Spectrometry

  AUTHORS: Deleon Nascimento Correa, Eduardo Morgado Schmidt, Marcos Fernando Franco, Jorge Jardim Zacca, Werickson Fortunato de Carvalho Rocha, Antony de Paula Barbosa, Rodrigo Borges, Wanderley de Souza, Marcos Nogueira Eberlin

  KEYWORDS: Forensic Sciences, Questioned Documents, Ambient Mass Spectrometry, Easy Ambient Sonic-Spray Ionization Mass Spectrometry, EASI-MS

  JOURNAL NAME: American Journal of Analytical Chemistry, Vol.7 No.4, April 7, 2016

  ABSTRACT: Fast and unequivocal methods of questioned document analysis are essential in forensic science. Here, a desorption/ionization technique, EASI-MS, was assessed for its ability to investigate questioned driver’s licenses (DL). Two suspects DL, displaying the same personal data in the proper fields (name and ID numbers), but with different individual photos, showing similar impressions on microscopic analysis, and authentic standards documents specimens were used as test cases. Profiles from authentic DL surface were dominated by a set of few minor ions, mainly from the plasticizers bis(2-ethylhexyl)phthalate and dibutylphthalate. The seized suspect counterfeit DL on points from personal data and photo were, however, dominated by abundant diagnostic ions of m/z 463, 507, 551, 595, 639, 683, which confirmed counterfeiting. Surfynol® and Nonoxynol-9®, which are common constituents of inkjet printing, were detected in the counterfeiting areas by high-accuracy EASI(+)-FT-ICR MS. The EASI-MS technique is shown therefore to offer an attractive tool for forensic investigation of questioned documents.