Abstract：
:The information inherent in cigarette ash in the form of trace-metal concentrations may be of use in a forensic context as it can indicate the brand from which the ash originated. This knowledge might help place suspects at crime scenes or determine how many people may have been present. To develop and test statistical models capable of classifying ash samples according to brand, commercial cigarettes procured in the U.S. and overseas were "smoked" using a peristaltic pump, mimicking the range of human smoking habits. Ash samples were digested in a mixture of nitric and hydrochloric acid applying microwave digestion and analyzed using inductively coupled plasma-mass spectrometry. Principal component analysis of the elemental data showed intrinsic differences between brands. Partial least squares-discriminant analysis demonstrated that brand classification yields good sensitivity and specificity for a number of models tested. Varying smoking parameters did not impact the classification of ash samples.
journal_name
J Forensic Scijournal_title
Journal of forensic sciencesauthors
Groth AC,Barnes JH,Lewis C,Murray CK,Albahadily F,Jourdan THdoi
10.1111/1556-4029.13040subject
Has Abstractpub_date
2016-07-01 00:00:00pages
913-21issue
4eissn
0022-1198issn
1556-4029journal_volume
61pub_type
杂志文章abstract：:The aims of this study were to enable geometric morphometric sex classification using tibial proximal and distal sexual dimorphism and to evaluate the secular trend of tibial shape/form from the early 20th century to the present day. The study samples consisted of 61 adult tibias from an early 20th-century Czech popul...
journal_title：Journal of forensic sciences
pub_type： 历史文章,杂志文章
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abstract：:In this paper, we report the results of our preliminary studies into chemical characterization of the fluids produced during decomposition in the absence of a soil matrix. Pig (Sus domestica) carcasses were used to model the human decomposition process in two separate locations, Western Australia (Perth) and Canada (O...
journal_title：Journal of forensic sciences
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journal_title：Journal of forensic sciences
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journal_title：Journal of forensic sciences
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doi：10.1111/j.1556-4029.2010.01337.x
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journal_title：Journal of forensic sciences
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journal_title：Journal of forensic sciences
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doi：10.1111/1556-4029.13420
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journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：
更新日期：1996-01-01 00:00:00
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journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：10.1111/j.1556-4029.2007.00420.x
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doi：10.1111/1556-4029.13911
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journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：
更新日期：1994-11-01 00:00:00
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journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：10.1111/j.1556-4029.2007.00644.x
更新日期：2008-03-01 00:00:00
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journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：10.1111/1556-4029.14463
更新日期：2020-09-01 00:00:00
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journal_title：Journal of forensic sciences
pub_type： 历史文章,杂志文章
doi：10.1111/1556-4029.13446
更新日期：2017-11-01 00:00:00
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journal_title：Journal of forensic sciences
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doi：10.1111/1556-4029.12185
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journal_title：Journal of forensic sciences
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更新日期：2005-11-01 00:00:00
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journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：
更新日期：2002-09-01 00:00:00
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journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：10.1111/1556-4029.12841
更新日期：2015-11-01 00:00:00
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journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：
更新日期：1983-07-01 00:00:00
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journal_title：Journal of forensic sciences
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doi：
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journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：
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doi：10.1111/1556-4029.13044
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journal_title：Journal of forensic sciences
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pub_type： 杂志文章
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journal_title：Journal of forensic sciences
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journal_title：Journal of forensic sciences
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journal_title：Journal of forensic sciences
pub_type： 杂志文章,评审
doi：
更新日期：1999-01-01 00:00:00
