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In 2022-2023 the Defence Science and Technology Laboratory (Dstl) designed and conducted a two-part fingerprint Collaborative Exercise (CE). The CE focussed on fingermarks contaminated in blood as they provide a complex scenario for forensic units and it involved both fingermark visualisation and comparison elements. Participants were requested to treat the exercise as a major crime submission following internal protocols and were invited to provide comments relating to how the marks were deposited (if appropriate).
View Article and Find Full Text PDFAccording to forensic science recommendations, are carbon dots capable of reliably developing latent fingerprints?
Forensic Sci Int
December 2024
Institute of Physics, University of Brasília, Campus Universitário Darcy Ribeiro, Brasília, DF CEP: 70919-970, Brazil.
Carbon dots (CDs) are zero-dimensional carbon nanomaterials that have been subject of considerable interest due to their remarkable electronic and optical characteristics. Their adjustable properties have gathered attention in different fields, including biological sensing, drug delivery, photodynamic therapy, photocatalysis, solar cells, and latent fingerprint development. In forensic science, the frequently reported outstanding photoluminescence behavior and biocompatibility of CDs are particularly important.
View Article and Find Full Text PDFInvestigating mechanoreceptor variability and morphometric proxies in Rhesus Macaques: Implications for primate precision touch studies.
Anat Rec (Hoboken)
October 2024
Department of Anatomy, Midwestern University, Glendale, Arizona, USA.
The origin of primates has long been associated with an increased emphasis on manual grasping and touch. Precision touch, facilitated by specialized mechanoreceptors in glabrous skin, provides critical sensory feedback for grasping-related tasks and perception of ecologically-relevant stimuli. Despite its importance, studies of mechanoreceptors in primate hands are limited, in part due to challenges of sample availability and histological methods.
View Article and Find Full Text PDFEffective use of skin microbiome signatures for fingerprint identification.
Skin Res Technol
September 2024
Department of Medical Services and Techniques, Medical Imaging Techniques Program, Istanbul University - Cerrahpaşa, Vocational School of Health Services, Istanbul, Turkey.
Background: Recent advances have increased the importance of the human microbiome, including the skin microbiome. Despite the hand microbiome research, the factors affecting the composition of the hand microbiome and their personal characteristics are incompletely known.
Objectives: Despite changing environmental factors and personal variation, we aimed to indicate the interpersonal distinction between skin microbiota using simple and rapid molecular methods.
Analysis of palmprints and soleprints of black-tufted marmosets (Callithrix penicillata): are there similarities to humans?
Primates
September 2024
Postgraduate Program in Animal Science, Faculty of Agronomy and Veterinary Medicine, University of Brasília, Brasília, DF, Brazil.
Friction ridges are important and unique biometric features that have been studied in fingerprint science since antiquity and used for human identification. This study aimed to analyze palmprints and soleprints of Callithrix penicillata, including the description of flexion creases, regions, minutiae classification, and delta counting, in order to evaluate the uniqueness of these data and feasibility of using this information as an identification method. Palmprints and footprints were collected using commercial fingerprint ink on A4 size paper.
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