01794nam a2200205 4500 377980 377980 20210322u y0pory50 ba eng Survey of gunshot residue prevalence on the hands of individuals from various population groups in and outside Europe Amalia Stamoulia ...[et al.] Participantes do estudo: Amalia Stamoulia, Ludwig Niewöhner, Magnus Larsson, Bertrand Colson, Steffen Uhligd, Lubor Fojtasek, Fatima Machado, Lawrence Gunaratnam. 1.Introduction. 2. Data and materials. 2.1. Sampling. 2.2. Information related to sampled persons. 2.3. Analysing stubs with SEM/EDS. 2.4. Data check and harmonisation. 2.5. Statistical evaluation. 2.6. Laboratory effects and differences between subgroups. 2.7. Participating forensic laboratories. 3. Results. 3.1. Notation. 3.2. Descriptive statistical analysis. 4. Inferential statistical analysis 4.1. Identification of outliers. 4.2. Laboratory effects and differences between subgroups. 4.3. Applying the subgroup effect model to the low and high-risk groups. 4.4. Influence of relationship to firearms. 4.5. Influence of handling a firearm within 5 h prior to sampling. 5. Discussion 5.1. Car mechanics. 5.2. Presence of PbBaSb particles on people with and without a relationship with firearms. 5.3. Presence of PbBaSb particles in police population. 5.4. Handling a firearm. 5.5. Variability of results. 6.Conclusions. May 2021 Vol. 23 Forensic Chemistry 2468-1709 8 p. ARMA DE FOGO E MUNIÇÕES ANÁLISE DE VESTÍGIOS POLÍCIA CIENTÍFICA ANÁLISE LABORATORIAL ESTUDO DE CASOS 0 PJCD_316_000000000000000 2022-06-06 405761 PJ PJ PJCD 316 2022-06-06 0 AP