Results 271 to 280 of about 45,371 (305)
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Objective Diagnosis of Drowning by the "Diatom Test" - A Critical Review.
Forensic science review, 2004The identification of diatoms in the body tissues to prove a death by drowning (known as the diatom test) dates back to the end of the 19th century. However, in recent decades the reliability of this method was disproved because of an alleged inaccuracy and high false positive rate; nonetheless, the matter is still highly controversial.
BORTOLOTTI, Federica +2 more
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Design and Testing of a New Diatom-Based Index for Heavy Metal Pollution
Archives of Environmental Contamination and Toxicology, 2017The Tinto and Odiel river basins (SW Spain) are known worldwide for their unique water characteristics. Such uniqueness is a consequence of their flow through the Iberian Pyrite Belt (an area rich in metal sulphides) and the mining activities in the basins.
M. R. Fernández +6 more
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[Evaluation of three methods for forensic diatom test].
Nan fang yi ke da xue xue bao = Journal of Southern Medical University, 2015To compare the efficacy of three methods for forensic diatom test, namely strong acid digestion-centrifuge enrichment-light microscopy (SD-CE-LM), microwave digestion-membrane filtration-automated scanning electron microscopy (MD-ME-SEM), and microwave digestion-membrane filtration-light microscopy (MD-MF-LM).Sixty samples were randomly divided into 3 ...
Yuzhong, Wang +6 more
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Limbs found in water: investigation using anthropological analysis and the diatom test
Forensic Science International, 2000We report the investigation, using a multi-disciplinary approach, of five cases of dismembered limbs which were recovered from Lake Ontario, Lake Erie and the Niagara River, and examined at the Office of the Chief Coroner for Ontario. In all cases, postmortem examination revealed that the limbs had been disarticulated in the postmortem period, by non ...
K L, Gruspier, M S, Pollanen
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On testing diatomic vibration-rotation wavefunction for high levels
Journal of Computational Physics, 1985The Morse potential is considered as an example of a model problem whose exact solution can be used to test numerical methods for solving the vibration-rotation equation for diatomic molecules. The difficulty with the exact Morse solution is that it depends on the generalised Laguerre polynomial which is complicated to handle for high vibrational ...
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Diatom and Laboratory Tests to Support a Conclusion of Death by Drowning
2012Among many laboratory tests for supporting a conclusion of death by drowning, the diatom test is often regarded as the gold standard. However, opinions are divided on its usefulness, and thus this test is rarely or never applied in some countries or institutions.
Nobuhiro Yukawa +2 more
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Forensic Science International
The diatom test has been a classical test for drowning diagnosis for over a century. While it is often regarded in literature as a reliable method-even a golden standard-its validity remains a subject of ongoing controversy. This paper emphasized that the major cause for the controversy is from the methodology of the test.
Sunlin, Hu +8 more
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The diatom test has been a classical test for drowning diagnosis for over a century. While it is often regarded in literature as a reliable method-even a golden standard-its validity remains a subject of ongoing controversy. This paper emphasized that the major cause for the controversy is from the methodology of the test.
Sunlin, Hu +8 more
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The diatom test in the field of forensic medicine: a review of a long-standing question
International Journal of Legal MedicineThis article evaluates the criteria for diatom testing in forensic investigations, focusing on drowning cases. Diatoms, unicellular algae found in aquatic environments, are critical to the determination of drowning because water containing diatoms is inhaled during submersion.
Bertrand Pierre Ludes +2 more
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Testing of Diatomic Potential-Energy Functions by Numerical Methods
The Journal of Chemical Physics, 1963An accurate and efficient numerical method of solving the radial Schrödinger equation for a diatomic molecule has been employed in two tests relating to approximate potential functions. First, quantitative estimates have been made of the errors in the approximate eigenvalue equation derived by Pekeris for the rotating Morse oscillator.
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Skin-attachable and biofriendly chitosan-diatom triboelectric nanogenerator
Nano Energy, 2020Jong-Nam Kim, Jeehee Lee, Tae Won Go
exaly