2010
DOI: 10.1039/b923398a
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Fingerprinting and aging of ink by easy ambient sonic-spray ionization mass spectrometry

Abstract: Using easy ambient sonic-spray ionization mass spectrometry (EASI-MS), fast and non-destructive fingerprinting identification and aging of ballpoint pen ink writings have been performed directly from paper surfaces under ordinary ambient conditions. EASI-MS data obtained directly from the ink lines showed that pens from different brands provide typical ink chemical profiles. Accelerated ink aging has also been monitored by EASI-MS revealing contrasting degradation behaviors for six different common ink dyes. A… Show more

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Cited by 93 publications
(104 citation statements)
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References 22 publications
(40 reference statements)
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“…17,19,20 Os primeiros estudos direcionados para a análise de tintas em documentos surgiram no período de 2005-2006. 16,18 Laser desorption ionization mass spectrometry (LDI-MS) e matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS) são ferramentas analíticas muito utilizadas na análise de corantes.…”
Section: Espectrometria De Massas (Ldi-ms Maldi-ms E Easi-ms)unclassified
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“…17,19,20 Os primeiros estudos direcionados para a análise de tintas em documentos surgiram no período de 2005-2006. 16,18 Laser desorption ionization mass spectrometry (LDI-MS) e matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS) são ferramentas analíticas muito utilizadas na análise de corantes.…”
Section: Espectrometria De Massas (Ldi-ms Maldi-ms E Easi-ms)unclassified
“…É importante ressaltar que esse trabalho apresenta grandes méritos e, como consequência, tem despertado o interesse de vários grupos de pesquisa que desenvolveram métodos de ionização mais modernos, pouco destrutíveis e rápidos na análise de documentos questionados. Entre os sistemas de ionização recentemente empregados em condições ambientes (ou seja, ionização do analito à pressão atmosférica sem preparo de amostra), pode-se citar EASI-MS, 17 DESI-MS 20 e DART-MS. 19 Em …”
Section: Espectrometria De Massas (Ldi-ms Maldi-ms E Easi-ms)unclassified
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“…The use of non-destructive analytical methods in cases where the authenticity of documents is questioned is essential in litigation processes where the evidence must be preserved [7]. Lalli et al [8], for example, presented a nondestructive methodology to identify counterfeit document punctually. The authors used easy ambient sonic-spray ionization mass spectrometry technique for dating inks in two types of forgeries: (i) line crossing and (ii) superimposition.…”
Section: Introductionmentioning
confidence: 99%