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The effect of handedness and biological sex on fingermark ridge height and volume as examined by 3D imaging.
J Forensic Sci
January 2025
Henry C. Lee College of Criminal Justice and Forensic Science, Forensic Science Department, University of New Haven, West Haven, Connecticut, USA.
For decades, detectives and forensic scientists have relied on friction ridge skin comparisons to identify individuals in criminal investigations. This method involves examining (latent) fingermarks, typically captured as two-dimensional (2D) images, and comparing them with known inked impressions or scans. The comparisons focus on general patterns, the location and orientation of minutiae, and additional characteristics like scars or pores.
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.
Hydrochromic and piezochromic dual-responsive optical film derived from poloxamer and ethyl cellulose for visual fingerprints identification.
Int J Biol Macromol
June 2024
Research Division for Sustainable Papermaking & Advanced Materials, Key Laboratory of Biobased Material Science & Technology (Ministry of Education), Northeast Forestry University, Harbin 150040, China. Electronic address:
Developing new materials that could identify fingerprint using the naked eye and observe the level 3 microscopic details is challenging. Here, we designed a novel hydrochromic and piezochromic dual-responsive optical film, which achieved the visual transparency transition. The performances of hydrochromic and piezochromic responses from high transparency to opaque whiteness were attributed to the introduction of poloxamer.
View Article and Find Full Text PDFThe effects and benefits of a latent print AFIS deferral policy.
Forensic Sci Int
July 2024
621 West Washington Street, Phoenix, AZ 85003, USA. Electronic address:
Forensic laboratories in the United States had an estimated backlog of 570,100 requests for all forensic services at the end of 2014. Latent print requests represented approximately 12% of that total backlog [1, NIJ 2019]. With ever-increasing demands and backlogs, a review of laboratory or section practices becomes vital to operations.
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