Effects of the interaction of gunshot residue plume and cotton fabrics—an empirical study towards extensive assessment of close-range shooting distance

Brożek‐Mucha, Zuzanna; Wąs-Gubała, Jolanta

doi:10.1039/d1an02001c

Cited by 3 publications

(3 citation statements)

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“…In 2022, Brozėk-Mucha and Was-Gubała investigated the effects of the interaction between contact and close-range shots on cotton fabrics. 71 In this study, to assess changes based on different firing distances, IR spectrometry and other analysis techniques were used to characterize both deposited GSR and textile fibers. Recovered GSR particles, which were deemed to resemble unburned or partially burned propellant grains, were pressed onto potassium bromide pellets and subsequently analyzed using IR spectrometry.…”

Section: T H Imentioning

confidence: 99%

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Innovative Vibrational Spectroscopy Research for Forensic Application

et al. 2023

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Section: T H Imentioning

confidence: 99%

“…In 2022, Brożek-Mucha and Wąs-Gubała investigated the effects of the interaction between contact and close-range shots on cotton fabrics . In this study, to assess changes based on different firing distances, IR spectrometry and other analysis techniques were used to characterize both deposited GSR and textile fibers.…”

Section: Chemistry: Trace Evidencementioning

confidence: 99%

Innovative Vibrational Spectroscopy Research for Forensic Application

et al. 2023

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“…In particular, degradation processes taking place in textiles and fibers under the influence of specific factors, such as thermal, biological, mechanical, and of a complex nature (e.g., gunshot), have been of interest for years. The effects of such processes can be observed by a forensic expert when analyzing textile materials secured in connection with many existing criminal events [3][4][5][6].…”

Section: Introductionmentioning

confidence: 99%

Comparative Studies of Changes in Cotton Fabrics and Fibers under the Influence of Disinfection, Sterilization, and DNA Degradation Agents

Śmigiel-Kamińska,

Wąs-Gubała,

Kumirska

2023

Fibers

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The purpose of this study was to detect changes in the structure and chemical composition of undyed and dyed cotton fabrics under the influence of six popular agents for disinfection, sterilization, and DNA degradation with different chemical compositions. The original and exposed fabrics and their constituent fibers were subjected to comparative analysis using various optical microscopy methods, infrared spectroscopy, and UV–Vis microspectrophotometry in order to differentiate the exanimated material due to the agents applied. Differences in color, from a slight change to complete discoloration, and in the structure of the tested fabrics, which became more rigid, brittle, or, for example, compact, were noticed. With the use of ATR FTIR, it was possible to identify the presence in the exposed fabrics of residues of these agents that contained quaternary ammonium salts. Bright-field microscopy made it possible to show, above all, changes or lack thereof in the fluorescence properties of single exposed fibers in relation to control ones. With the use of UV–Vis microspectrophotometry, changes in colored fibers following the action of a specific agent on the examined fabrics were monitored. A case study was presented as an application aspect of the research, in which the use of concrete disinfectants was recognized based on changes observed in cotton clothing.

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A study of dispersion of gunshot residue from a frequently used Serbian ammunition cal. 7.65 mm to support selected aspects of casework in North Macedonia

et al. 2023

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Effects of the interaction of gunshot residue plume and cotton fabrics—an empirical study towards extensive assessment of close-range shooting distance

Abstract: Shooting distance assessment is a substantial problem in forensic investigation of suicides and homicides committed by means of a firearm. There are cases, when the gun or ammunition used in...

Cited by 3 publications

References 28 publications

Innovative Vibrational Spectroscopy Research for Forensic Application

Innovative Vibrational Spectroscopy Research for Forensic Application

Comparative Studies of Changes in Cotton Fabrics and Fibers under the Influence of Disinfection, Sterilization, and DNA Degradation Agents

A study of dispersion of gunshot residue from a frequently used Serbian ammunition cal. 7.65 mm to support selected aspects of casework in North Macedonia

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