Identification of Luminescent Markers for Gunshot Residues: Fluorescence, Raman Spectroscopy, and Chemometrics

• Published in: Analytical chemistry (Washington) Vol. 91; no. 19; pp. 12444 - 12452
• Main Authors: Carneiro, Caroline R, Silva, Carolina S, de Carvalho, Marcela Albino, Pimentel, Maria Fernanda, Talhavini, Márcio, Weber, Ingrid T
• Format: Journal Article
• Language: English
• Published: United States American Chemical Society 01.10.2019
• Subjects: Ammunition; Chemometrics; Classification; Crime; Data integration; Discriminant analysis; Emission analysis; Emission spectra; Europium; Excitation spectra; Firearm discharge residue; Fluorescence; Forensic ballistics; Forensic science; Localization; Markers; Multisensor fusion; Principal components analysis; Raman spectroscopy; Residues; Spectrum analysis

Gunshot residue (GSR) is an evidence of major importance in firearm-related crimes. The recent introduction of nontoxic ammunition has made impossible the characterization of GSR particles by the current methods employed by forensic experts. To overcome this drawback, the introduction of luminescent...