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Methodologies Applied to Fingerprint Analysis.

Marina González1, Roberta Petry Gorziza1, Kristiane de Cássia Mariotti2,3

  • 1Department of Pharmacy, Federal University of Rio Grande do Sul, 2752 Ipiranga Ave, Lab 605A - Santana, Porto Alegre, 90610-000, RS, Brazil.

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|March 17, 2020
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Summary

This review analyzes analytical methods for fingerprint constituents over the last decade. Mass spectrometry and spectroscopy are key techniques for forensic identification and understanding fingerprint chemistry.

Keywords:
forensic identificationforensic sciencelatent fingermarkslatent fingerprintsmass spectrometrynanoparticlesspectroscopy

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Area of Science:

  • Forensic Science
  • Analytical Chemistry

Background:

  • Analysis of chemical and biological constituents in fingerprints is crucial for forensic identification.
  • Advancements in analytical techniques have expanded the possibilities for fingerprint analysis.

Purpose of the Study:

  • To systematically review the last 10 years of research in analytical methodologies for fingerprint analysis.
  • To summarize instrumental areas, analytical parameters, and emerging trends in latent fingermark analysis.

Main Methods:

  • Systematic literature review of 123 manuscripts using the descriptor "latent fingermarks analysis."
  • Analysis and summarization of instrumental areas including mass spectrometry, spectroscopy, and innovative methods.
  • Focus on analytical parameters and applications in fingerprint constituent identification.

Main Results:

  • Mass spectrometry is the predominant technique for identifying fingerprint constituents and aging, often coupled with chromatography for fatty acid profiling.
  • Spectroscopic methods, particularly Raman and infrared spectroscopy with microscopy, enhance accuracy in analyzing specific fingerprint regions.
  • A notable increase in rapid tests for new developers and component identification indicates a trend towards faster forensic analysis.

Conclusions:

  • Mass spectrometry and spectroscopy are vital for detailed fingerprint analysis, contributing to forensic identification.
  • Innovative methods and rapid tests are emerging, addressing new demands in forensic science.
  • This review provides a foundation for future research in analytical techniques for fingerprint detection and forensic applications.