Results 41 to 50 of about 4,884 (189)
Screening of gunshot residues using desorption electrospray ionisation-mass spectrometry (DESI-MS) [PDF]
, 2012 Several studies have indicated that there are potential environmental sources of particles resembling inorganic primer found in gunshot residues (GSR); as a consequence examiners are reluctant to unambiguously assign the origin of inorganic particles. If
Beavis, A +5 more
core +1 more source
Prevalence of organic gunshot residues in police vehicles [PDF]
Science & Justice, 2020 The present study investigated the organic gunshot residue (OGSR) background level of police vehicles in Switzerland. Specimens from 64 vehicles belonging to two regional police services were collected and analysed by LC-MS in positive mode. The driver's and back seats were sampled separately to monitor potential differences between locations and to ...
Gassner, Anne-Laure, Weyermann, Céline
openaire +3 more sources
Methodological Features of Validating Forensic Expert Techniques
Теория и практика судебной экспертизы, 2023 The article reviews and summarizes the experience of validating forensic expert techniques in the Russian Federal Centre of Forensic Science of the Ministry of Justice of the Russian Federation.
A. I. Usov +4 more
doaj +1 more source
Scanning electron microscopy and energy-dispersive x-ray spectroscopy (SEM-EDX) confirms shooting of a hen harrier (Circus cyaneus) [PDF]
, 2015 The hen harrier (Circus cyaneus) remains severely restricted as a breeding species in England despite sufficient habitat for over 300 breeding pairs. Human persecution is the main limiting factor and in the UK, there have been 45 confirmed incidents of ...
Blunn, G +8 more
core +1 more source
Egyptian Journal of Forensic Sciences, 2021 Background Evidence can be defined as the object’s availability and/or information that indicates whether a belief or proposition is true or valid. Gunshot residue (GSR) is an important evidence that can serve many roles in ballistic investigation such ...
Zainiharyati Mohd Zain +3 more
doaj +1 more source
Impact-disrupted gunshot residue: A sub-micron analysis using a novel collection protocol
Defence Technology, 2017 The analysis of gunshot residue (GSR) has played an integral role within the legal system in relation to shooting cases. With a characteristic elemental composition of lead, antimony, barium, and a typically discriminative spheroidal morphology, the ...
V. Spathis
doaj +1 more source
Adaptive Noise Reduction for Sound Event Detection Using Subband-Weighted NMF [PDF]
, 2019 Sound event detection in real-world environments suffers from the interference of non-stationary and time-varying noise. This paper presents an adaptive noise reduction method for sound event detection based on non-negative matrix factorization (NMF ...
Emmanouil Benetos +4 more
core +1 more source
Heavy metal free primers: Polymorphism of gadolinium and titanium in the context of GSR glass phase
Defence Technology, 2019 The possibility of identifying gunshot residue (GSR) particles produced by non-toxic primers containing only titanium and zinc is a very difficult task using SEM/EDX analysis employed in the analysis of GSR originating from primers containing lead ...
Felice Nunziata
doaj +1 more source
A Survey of Gunshot Residue Analysis Methods
Journal of Forensic Sciences, 1996 Abstract A survey was sent to 80 forensic laboratories in 44 States and two Canadian Provinces concerning methodology in analyzing gunshot residue (GSR) and interpreting the results. Of the 80 surveys, 50 (63%) were returned completed. Questions included standard procedures, collection methods, thresholding problems and specificity of ...
Singer, R. L., Davis, D., Houck, Max M.
openaire +2 more sources
Quantitative Analysis of Flash-Pulse Thermographic Detection of Gunshot Residue
ProceedingsThis study addresses the detection of gunshot residue (GSR) around a bullet hole, which is one of the key forensic procedures for estimating the firing distance. GSR was inspected using flash-pulse thermography (FPT) with Kurtosis statistical processing.
Michal Švantner +4 more
doaj +1 more source