Abstract:
:Raman spectroscopy has been used for the development of a universal method for the identification of traces of all major body fluids. Multidimensional spectroscopic signatures, which account for the intrinsic sample heterogeneity and variations between donors, have been described for blood, semen, saliva, vaginal fluid and sweat. Here, we report on a shortcoming of the existing spectroscopic signature of blood due to the effect of laser power. The issue is the result of the previously discovered phenomenon of photoinduced hemoglobin aggregation. An investigation of this effect on the performance of the Raman signature is reported along with a remediating modification. This adjustment is demonstrated to extend the application of the multidimensional signatures to spectra obtained under low laser power conditions while preserving the signature's specificity.
journal_name
Forensic Sci Intjournal_title
Forensic science internationalauthors
McLaughlin G,Lednev IKdoi
10.1016/j.forsciint.2014.04.021subject
Has Abstractpub_date
2014-07-01 00:00:00pages
88-94eissn
0379-0738issn
1872-6283pii
S0379-0738(14)00165-0journal_volume
240pub_type
杂志文章abstract::In Australia, particularly Western Australia, there is a relative paucity of contemporary population-specific morphometric standards for the estimation of sex from unknown skeletal remains. This is largely a historical artefact from lacking, or poorly documented, repositories of human skeletons available for study. Ho...
journal_title:Forensic science international
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journal_title:Forensic science international
pub_type: 杂志文章
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journal_title:Forensic science international
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journal_title:Forensic science international
pub_type: 杂志文章
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journal_title:Forensic science international
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journal_title:Forensic science international
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journal_title:Forensic science international
pub_type: 杂志文章
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journal_title:Forensic science international
pub_type: 杂志文章,评审
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pub_type: 杂志文章
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pub_type: 杂志文章
doi:10.1016/j.forsciint.2004.11.006
更新日期:2005-12-01 00:00:00
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journal_title:Forensic science international
pub_type: 杂志文章
doi:10.1016/j.forsciint.2012.10.013
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pub_type: 杂志文章
doi:10.1016/j.forsciint.2004.09.052
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journal_title:Forensic science international
pub_type: 杂志文章
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journal_title:Forensic science international
pub_type: 杂志文章
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journal_title:Forensic science international
pub_type: 杂志文章
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