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<p>Matrix-assisted laser Desorption/Ionization Mass Spectrometry Imaging (MALDI MSI) is an analytical technique used for the spatial mapping of drugs, explosives, and organic samples, making it a game-changer in Forensic examination. It detects a wide range of biomolecules in their native state without specific tags, antibodies, labels, and dyes. This review aims to highlight the advancement of MALDI-MSI over time and its impact on Forensic Science due to high-resolution molecular imaging. To foster the development of forensic investigations the utility of MALDI-MSI in six different broad areas, Latent Fingerprinting division,&#xa0;forensic toxicology division,&#xa0;Crime Scene Reconstruction and investigation division, Sex crimes, forensic trichology division, question document analysis, is explored in this review. MALDI-MSI possesses a unique strength of molecular imaging of biomolecules without complex preparation from diverse sample types. In the future, the sensitivity and detection limits of MALDI-MSI can be enhanced and its instrumental size should be reduced to perform on-site investigation.</p>

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MALDI-MSI: A potential game changer in forensic sciences

  • 期刊论文

  • 发表日期：

    2025年1月14日

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  • Asma Jamshaid,
  • Saadia Noreen,
  • Tanveer Khalid

摘要

Matrix-assisted laser Desorption/Ionization Mass Spectrometry Imaging (MALDI MSI) is an analytical technique used for the spatial mapping of drugs, explosives, and organic samples, making it a game-changer in Forensic examination. It detects a wide range of biomolecules in their native state without specific tags, antibodies, labels, and dyes. This review aims to highlight the advancement of MALDI-MSI over time and its impact on Forensic Science due to high-resolution molecular imaging. To foster the development of forensic investigations the utility of MALDI-MSI in six different broad areas, Latent Fingerprinting division, forensic toxicology division, Crime Scene Reconstruction and investigation division, Sex crimes, forensic trichology division, question document analysis, is explored in this review. MALDI-MSI possesses a unique strength of molecular imaging of biomolecules without complex preparation from diverse sample types. In the future, the sensitivity and detection limits of MALDI-MSI can be enhanced and its instrumental size should be reduced to perform on-site investigation.