Open AccessJournal Article
Decomposition Process and Post Mortem Changes: Review
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TL;DR: Different stages of post mortem changes, possible variations such as mummification and formation of adipocere and special circumstances such as burial condition are discussed and the influence of different types of fabric in affecting the post mortems is discussed.
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Abstract: Decomposition is degradation process of a corpse into basic respective constituents macroscopically and microscopically by action of microorganisms, arthropods and scavengers. Post mortem changes could be separated into early post mortem changes (i.e. algor mortis, rigor mortis and livor mortis) and putrefaction stages of corpse. These changes function as suitable indicators for determination of post mortem interval (PMI). In this paper, different stages of post mortem changes, possible variations such as mummification and formation of adipocere and special circumstances such as burial condition is discussed. This article also refers to several arguments in the different texture of adipocere and the influence of different types of fabric in affecting the post mortem changes and formation of adipocere. This is largely due to the property of permeability and resistance of material against degradation process. Undeniably, decomposition process involves numerous potential variables including burial condition, presence of clothing, potential formation of adipocere and mummification. Hence, studies in forensic taphonomy combined with real case scenario are crucial in understanding the nature of decomposition and estimation of PMI with higher accuracy.
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Citations
DNA and RNA profiling of excavated human remains with varying postmortem intervals.
TL;DR: Not only DNA but also RNA molecules can be remarkably stable and used for profiling of long-buried human remains, which corroborate forensic applications and change sampling policies in identification cases of degrading cadavers.
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Thanatomicrobiome and epinecrotic community signatures for estimation of post-mortem time interval in human cadaver
Hirak Ranjan Dash,Surajit Das +1 more
TL;DR: Different sources of microorganisms in a human cadaver, their succession pattern, and analytical techniques for application in the field of microbial forensics are summarized.
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Impact of the Human Microbiome in Forensic Sciences: a Systematic Review
TL;DR: The role of microbiome research in the postmortem interval during the process of decomposition, identifying death caused by drowning or sudden death, locating the geographical location of death, establishing a connection between the human microbiome and personal items, sexual contact, and the identification of individuals is shed.
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Lighting up forensic science by aggregation-induced emission: A review
TL;DR: The aggregation-induced emission phenomenon exhibits remarkable luminescence properties, which can provide a viable solution for on-site analysis, while at the same time overcoming the problem of aggregation-caused quenching (ACQ).
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Decomposition patterns of buried remains at different intervals in the Central Highveld region of South Africa
TL;DR: The decomposition patterns and rates of buried remains were mostly influenced by limited insect activity and adipocere formation which reduces the rate of decay in a conducive environment (i.e. burial in soil).
References
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TL;DR: Forensic Entomology: An Introduction is not a reference or a manual; it is an introductory undergraduate text that could even serve as a supplemental text in some graduate courses.
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Factors affecting decomposition and Diptera colonization.
TL;DR: Several of the most frequent factors affecting PMI estimates such as temperature, burial depth and access of the body to insects are fully reviewed and Diptera are the insects of greatest forensic interest.
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Cadaver decomposition in terrestrial ecosystems
TL;DR: It is shown that cadaver decomposition can have a greater, albeit localised, effect on belowground ecology than plant and faecal resources.
Review of human decomposition processes in soil
TL;DR: In this paper, the authors comprehensively described in-soil human decomposition in terms of the physico-chemical and bacterial environmental conditions, and the major human tissue components, protein, carbohydrate, fat and bone, are discussed; and the likely pathways of decomposition products enumerated.
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•Book
Forensic Entomology: An Introduction
Dorothy Gennard
- 24 Apr 2007
TL;DR: The breadth of forensic entomology is studied, including the influence of the environment on specific insect species and its role in post mortem estimation, as well as the techniques used for preserving and mounting insect specimens.
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