Abstract：
:Previous studies have indicated that metal particles remain on bone after sharp force injury or gunshot and that their detection by scanning electron microscopy with energy dispersive X-ray spectrometry (SEM-EDS) could greatly help in tool identification. However, the presence of metal particles on bone surfaces in the context of blunt force trauma has never been assessed experimentally. For this reason the present paper represents an experimental study of the behaviour of metal residues on bone following blunt force injury. Ten fresh sub-adult bovine metatarsal bones were manually cleaned of soft tissues. They were then struck by metal bars (copper, iron or aluminium) on the external surface of the mid-diaphysis. All blunt metal instruments used in this study left a sign in the form of single particles, a smear or a powder-like deposit on the bone surface. The residues of all three metal implements were detected on the bone surface, 0.3-10 mm from the fracture border. The presence of metal particles was confirmed in all samples struck with iron and copper and in two of six aluminium samples; no particles were detected on the negative control. Chemical composition of residues highly corresponded with the composition of applied bars.
journal_name
Forensic Sci Intjournal_title
Forensic science internationalauthors
Pechníková M,Porta D,Mazzarelli D,Rizzi A,Drozdová E,Gibelli D,Cattaneo Cdoi
10.1016/j.forsciint.2012.08.007subject
Has Abstractpub_date
2012-11-30 00:00:00pages
87-90issue
1-3eissn
0379-0738issn
1872-6283pii
S0379-0738(12)00370-2journal_volume
223pub_type
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pub_type： 杂志文章
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pub_type： 杂志文章
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更新日期：1992-09-01 00:00:00
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pub_type： 杂志文章
doi：10.1016/j.forsciint.2019.109875
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pub_type： 杂志文章,评审
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更新日期：2018-02-01 00:00:00
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pub_type： 杂志文章
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pub_type： 杂志文章
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更新日期：2009-01-10 00:00:00
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pub_type： 杂志文章
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更新日期：1981-09-01 00:00:00
abstract：:Since 1970, traumatomechanics has been a focal point in research at the Institute for Legal Medicine and Traffic Medicine in Heidelberg. Here, the main topics are the understanding of the interrelation between mechanical strain and the resulting degree of injury; at the forefront of all interest is the determination o...
journal_title：Forensic science international
pub_type： 历史文章,杂志文章,评审
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更新日期：2004-09-10 00:00:00
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journal_title：Forensic science international
pub_type： 杂志文章
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更新日期：1981-07-01 00:00:00
