加强伪钞分析：使用 TOF-SIMS 的案例研究

IF 2.6 3区医学 Q2 CHEMISTRY, ANALYTICAL

Forensic Chemistry Pub Date : 2024-11-03 DOI:10.1016/j.forc.2024.100617

Alice Bejjani , Raymond Tannous , Georges Chalhoub , Mazen Hamdan , Bilal Nsouli

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引用次数: 0

摘要

伪造钞票对全球经济构成重大威胁，尤其是在现金交易仍占主导地位的发展中国家。尽管防伪功能不断进步，但伪造者仍在不断调整，因此需要更复杂的分析方法。飞行时间二次离子质谱法（TOF-SIMS）为伪造货币的表面化学成像和深度剖析提供了一种强大的方法。研究了五种不同的黎巴嫩伪钞的真实案例，利用 TOF-SIMS 解决了有关复制防伪特征的成分和位置的具体问题，深入了解了伪钞的生产和所使用的原材料。研究结果为国家银行的决策者提供了重要信息，通过选择最适合当地市场的防伪特征来支持未来货币的设计，从而加强对金融欺诈的防范。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Enhancing Counterfeit Banknote Analysis: Case Studies Using TOF-SIMS

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Enhancing Counterfeit Banknote Analysis: Case Studies Using TOF-SIMS

Counterfeiting banknotes poses a significant threat to economies worldwide, particularly in developing countries where cash transactions remain predominant. Despite advancements in security features, counterfeiters continue to adapt, necessitating more sophisticated analysis methods. Time of flight Secondary Ion Mass Spectrometry (TOF-SIMS) offers a powerful approach to surface chemical imaging and depth profiling of counterfeit currencies. Real cases of five different counterfeit Lebanese banknotes are studied, using TOF-SIMS to address specific questions regarding the composition and placement of replicated security features, gaining insights into counterfeit banknote production and the raw materials used. The findings provide essential information to decision-makers at the national bank, supporting the design of future currencies through the selection of security features best suited to the local market, thereby enhancing protection against financial fraud..

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来源期刊

Forensic Chemistry CHEMISTRY, ANALYTICAL-

CiteScore

5.70

自引率

14.80%

发文量

审稿时长

46 days

期刊介绍： Forensic Chemistry publishes high quality manuscripts focusing on the theory, research and application of any chemical science to forensic analysis. The scope of the journal includes fundamental advancements that result in a better understanding of the evidentiary significance derived from the physical and chemical analysis of materials. The scope of Forensic Chemistry will also include the application and or development of any molecular and atomic spectrochemical technique, electrochemical techniques, sensors, surface characterization techniques, mass spectrometry, nuclear magnetic resonance, chemometrics and statistics, and separation sciences (e.g. chromatography) that provide insight into the forensic analysis of materials. Evidential topics of interest to the journal include, but are not limited to, fingerprint analysis, drug analysis, ignitable liquid residue analysis, explosives detection and analysis, the characterization and comparison of trace evidence (glass, fibers, paints and polymers, tapes, soils and other materials), ink and paper analysis, gunshot residue analysis, synthetic pathways for drugs, toxicology and the analysis and chemistry associated with the components of fingermarks. The journal is particularly interested in receiving manuscripts that report advances in the forensic interpretation of chemical evidence. Technology Readiness Level: When submitting an article to Forensic Chemistry, all authors will be asked to self-assign a Technology Readiness Level (TRL) to their article. The purpose of the TRL system is to help readers understand the level of maturity of an idea or method, to help track the evolution of readiness of a given technique or method, and to help filter published articles by the expected ease of implementation in an operation setting within a crime lab.