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NCJ Number: 236876 Find in a Library
Title: Remote Spectroscopic Identification of Bloodstains
Journal: Journal of Forensic Sciences  Volume:56  Issue:6  Dated:November 2011  Pages:1471-1475
Author(s): Rolf H. Bremmer, Ph.D.; Gerda Edelman, M.Sc.; Tessa D. Vegter; Ted Bijvoets; Maurice C.G. Aalders, Ph.D.
Date Published: November 2011
Page Count: 5
Sponsoring Agency: Netherlands Organization for Scientific Research (NWO)
2509 AC, Den Haag, Netherlands
Technology Foundation STW
3502 GA Utrecht ,
Type: Report (Study/Research)
Format: Article
Language: English
Country: United States of America
Annotation: The authors of this study present a fast and nondestructive identification test for blood, using noncontact reflectance spectroscopy.
Abstract: Blood detection and identification at crime scenes are crucial for harvesting forensic evidence. Unfortunately, most tests for the identification of blood are destructive and time consuming. The authors present a fast and nondestructive identification test for blood, using noncontact reflectance spectroscopy. The authors fitted reflectance spectra of 40 bloodstains and 35 nonbloodstains deposited on white cotton with spectroscopic features of the main compounds of blood. Each bloodstain was measured 30 times to account for aging effects. The outcome of the blood measurements was compared with the reflectance of blood-mimicking stains and various body fluids. The study found that discrimination between blood and nonblood deposited on white cotton is possible with a specificity of 100 percent and a sensitivity of 98 percent. In conclusion, a goodness of fit between the sample’s reflectance and the blood component fit may allow identification of blood at crime scenes by remote spectroscopy. (Published Abstract)
Main Term(s): Criminology
Index Term(s): Blood stains; Blood/body fluid analysis; Crime Scene Investigation; Forensic sciences; Investigative techniques; Spectroscopy; Suspect identification; Victim identification
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