Advances in the use of odour as forensic evidence through optimizing and standardizing instruments and canines (original) (raw)
“…KEYWORDS: forensic sciences, human scent, human blood, decompositional process, volatile organic compounds, canine detection Canines (Canis familiaris) may represent a reliable source in forensic investigations because of the high sensitivity and selectivity of their olfactory system (1). If we consider that nearly one-eighth of their brain seems to be committed to this sense, a well-trained dog would be capable to identify a specific odor (2). In details, cadaver dogs may be trained to detect human remains or fluids.…”
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“…KEYWORDS: forensic sciences, human scent, human blood, decompositional process, volatile organic compounds, canine detection Canines (Canis familiaris) may represent a reliable source in forensic investigations because of the high sensitivity and selectivity of their olfactory system (1). If we consider that nearly one-eighth of their brain seems to be committed to this sense, a well-trained dog would be capable to identify a specific odor (2). In details, cadaver dogs may be trained to detect human remains or fluids.…”
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“…These substances are intermediate decaying products of proteins, carbohydrates, nucleic acids, and lipids. Many studies investigated the VOCs released by decomposing human bodies and succeeded in identifying a large number of these compounds as human decomposition markers (2,(13)(14)(15)17,18,25).…”
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“…The use of biological detectors greatly enhances the ability for law enforcement officials to do due their numerous advantages. [22] Figure 7 also shows the various arrays that can be used independently involve sensor beads, polymeric thin films, nanocluster metal-insulator-metal ensembles (MIME) and fluorescent polymers, whereas surface acoustic wave (SAW) detectors and microelectromechanical systems (MEMS) can be used in conjunction with GC detectors [21]. It also shows several optical detection methods used for imaging that are under development such as laser, light detection and ranging (LIDAR), including differential absorption LIDAR (DIAL) as well as differential reflection LIDAR (DIRL).…”
Section: Detection Of Illicit Substances Outside Of the Laboratorymentioning
“…While the sensitivity of modern instrumentation has improved dramatically over the past decades, it still does not rival the speed, versatility, ruggedness and relatively low cost provided by canines [22]. …”
Section: Canines and Forensic Sciencementioning
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