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NCJ Number: 201545 Find in a Library
Title: Systematic Study on STR Profiling on Blood and Saliva Traces After Visualization of Fingerprint Marks
Journal: Journal of Forensic Sciences  Volume:48  Issue:4  Dated:July 2003  Pages:733-741
Author(s): Petra Grubwieser M.D.; Alexandra Thaler Ph.D.; Silvano Kochl Ph.D.; Roger Teissl; Walter Rabl M.D.; Walther Parson Ph.D.
Date Published: July 2003
Page Count: 9
Type: Report (Study/Research)
Format: Article
Language: English
Country: United States of America
Annotation: This article examines the impact of optical, physical, and chemical methods used for fingerprint enhancement on later DNA analysis of biological stains.
Abstract: In cases in which evidence is limited, fingerprint analysis and DNA analysis must often be performed on the same material. As such, it is imperative to establish whether fingerprint enhancement techniques such as dactyloscopic methods interfere with the ability to perform later DNA profiling. Latent fingerprints and fingerprints in contact with blood and saliva on different surfaces were exposed to a wide variety of dactyloscopic methods, including rare methods and variations of techniques. Results of later STR profiling of the blood and saliva traces suggested that the dactyloscopic methods did not interfere with the DNA analysis. However, the airbrush technique used in blood analysis procedures did have deleterious outcomes on later STR analysis. The authors assert that the layer technique offers advantages for both fingerprint enhancement and subsequent DNA profiling. The wide range of methods tested here may serve to guide those in the field who are faced with the necessity of conducting fingerprint and DNA analysis on the same material. References
Main Term(s): Forensic sciences
Index Term(s): DNA fingerprinting; Fingerprint detection techniques; Forensic pathology
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