Determining comparative elemental profile using handheld X-ray fluorescence in humans, elephants, dogs, and dolphins: Preliminary study for species identification.

Abstract:

:Species identification is a crucial step in forensic anthropological studies. The aim of this study was to determine elemental profiles in bones from four mammal species, to be used for species discrimination. Human, elephant, dog, and dolphin bones were scanned by X-ray fluorescence (XRF); the differences in elemental profiles between species were determined using discriminant analysis. Dogs had the greatest number of elements (23), followed by humans (22) and elephants (20). Dolphins had the lowest number of elements (16). The accuracy rate of species identification in humans, elephants, dogs, and dolphins was 98.7%, 100%, 94.9%, and 92.3%, respectively. We conclude that element profiles of bones based on XRF analyses can serve as a tool for determining species.

journal_name

Forensic Sci Int

authors

Nganvongpanit K,Buddhachat K,Klinhom S,Kaewmong P,Thitaram C,Mahakkanukrauh P

doi

10.1016/j.forsciint.2016.03.056

subject

Has Abstract

pub_date

2016-06-01 00:00:00

pages

101-106

eissn

0379-0738

issn

1872-6283

pii

S0379-0738(16)30143-8

journal_volume

263

pub_type

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