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Microbial neoformat...
Microbial neoformation of volatiles : implications for the estimation of post-mortem interval in decomposed human remains in an indoor setting
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- Ceciliason, Ann-Sofie (författare)
- Uppsala universitet,Rättsmedicin,Department of Forensic Medicine, The National Board of Forensic Medicine, Box 1024, SE-751 40, Uppsala, Sweden
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Andersson, M. Gunnar (författare)
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Lundin, Emma (författare)
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- Sandler, Håkan (författare)
- Uppsala universitet,Rättsmedicin,Department of Forensic Medicine, The National Board of Forensic Medicine, Box 1024, SE-751 40, Uppsala, Sweden
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(creator_code:org_t)
- 2020-10-07
- 2021
- Engelska.
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Ingår i: International journal of legal medicine. - : Springer Nature. - 0937-9827 .- 1437-1596. ; 135:1, s. 223-233
- Relaterad länk:
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https://doi.org/10.1...
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https://uu.diva-port... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The objective of this study was to determine if a relationship between microbial neoformation of volatiles and the post-mortem interval (PMI) exists, and if the volatiles could be used as a tool to improve the precision of PMI estimation in decomposed human remains found in an indoor setting. Chromatograms from alcohol analysis (femoral vein blood) of 412 cases were retrospectively assessed for the presence of ethanol, N-propanol, 1-butanol, and acetaldehyde. The most common finding was acetaldehyde (83% of the cases), followed by ethanol (37%), N-propanol (21%), and 1-butanol (4%). A direct link between the volatiles and the PMI or the degree of decomposition was not observed. However, the decomposition had progressed faster in cases with microbial neoformation than in cases without signs of neoformation. Microbial neoformation may therefore act as an indicator of the decomposition rate within the early decomposition to bloating stages. This may be used in PMI estimation based on the total body score (TBS) and accumulated degree days (ADD) model, to potentially improve the model's precision.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Annan medicin och hälsovetenskap -- Rättsmedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Other Medical and Health Sciences -- Forensic Science (hsv//eng)
Nyckelord
- 1-Butanol
- Acetaldehyde
- N-Propanol
- Neoformation of ethanol
- Post-mortem interval
- Total body score
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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