Drowning Associated Diatoms
DOI:
https://doi.org/10.48165/Keywords:
planktons, Drowning, BacillariophyceaeAbstract
Drowning is type of asphyxial death by submersion in a fluid, whether or not the fluid is aspirated into the lungs. This is considered as the cause of death if the death occurs within 24 hours of the insult and if survival is beyond 24 hours after the submersion and implies that recovery has occurred after the insult it is called near drowning. Diatoms are among the well known water planktons. Every water body has its own diatom diversity. Diatoms are autotrophic in nature and different genera are found in both marine and fresh habitats. Diatoms belong to class Bacillariophyceae and further divided into two orders i.e. Centrals and Pennales on the basis of their symmetry. There are about 10,000 species and 174 genera of diatoms having different shapes and sizes ranging from 1 to 500µm. Diatoms are commonly found in water bodies like ponds, lakes, canals and rivers etc. but their concentration can be low or high in a particular water body, depending upon the season. With regard to another feature-the water depth limits to benthic distribution-there is no incontrovertible evidence for autotrophic growth of diatoms below about 100 m.
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References
1. Auer A. Qualitative Diatom Analysis as a Tool to Diagnose Drowning. Am J Forensic Med Pathol 1991; 12 (3): 213-18
2. Funayama M, Aoki Y and Sagisaka K. Detection of Diatoms in Human Tissue and Blood by Using Membrane Filter. Act Crim Japan 1987; 53 (5): 185-89
3. Funayama, M, Aoki, Y Sebetan, MI, Sagisaka K. Detection of Diatoms in blood by a combination of membrane filtering and chemical digestion. Forensic Sci Intern 1987;34: 175-82
4. Hurlimann J, Feer P, Elber F, Niederberger K, Dirnhofer R, Wyler, D. Diatom detection in the diagnosis of death by drowning. Intern J Legal Med 2000; 114; 6-14
5. Kasparck B. Dtsch.Zschr.Gerichtl.Med 1937; 27: 132.
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6. Ludes B, Coste M, Tracqui, A, Mangin P. Contivuous River Monitoring of Diatoms in The Diagnosis of Drowning. J Forensic Sci www.IndianJournals.com
1996; 41(3); 425-28
7. Lunetta P, Penttila A, Hallfors G. Scanning and transmission election microscopical evidence of the capacity of diatoms to penetrate the alveoli-capillary barrier in drowning. Inter J Legal Med 1998 111; 229-37
8. Mueller B, Gorgs, D. Studien uber das Elindringen von corpiscularen Wasserbetandtielen aus den Lungenaveolen, in des Kreislauf wahrend des Ertinkungsvorganges. Ditch. Z. Gesamte Gericbtl. Med 1949; 39: 25-71.
9. Nanikawa R, Kotoku S. Medicolegal observations on a dead body drawn up from the sea bed, with special reference to ethanol and diatoms. Case Report. J Forensic Sci 1974; 3: 225-32
10. Pachar JV, Cameron JM. Scanning Electron Microscopy: Application in the Identification of Diatoms in Cases of Drowning. J Forensic Sci 1992 ; 37 (3): 860-66
11. Peabody, A.J. Diatoms in Forensic Science. J Forensic Sci 1977; 17: 81-88
12. Revenstorf, V. Der Nachwies der aspirierten Ertrankungs flussigkeit als Kriterium des Todes. Geritchtl Med 1904; 28: 274-79.
13. Round, E.F., Crawford, R.M. and Mann, D.G. The Diatom Biology and Morphology of Genera. Cambridge University Press, Cambridge, England: 1990; 7-20
14. Timperman, J. The detection of diatoms in the marrow of sternum as evidence of Death by Drowning. J Forensic Med 1962; 9: 134-36
15. Tyagi, G.D. Diatoms of Delhi. J.F.M.T.1985; 2 (3): 18-2
