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ATR-FTIR spectroscopy and chemometric complexity : unfolding the intra-skeleton variability
ID
Zupanič-Pajnič, Irena
(
Author
),
ID
Leskovar, Tamara
(
Author
),
ID
Jerman, Ivan
(
Author
)
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MD5: C1ED2F05B56CF6FDB26232F9B61E19AA
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https://analyticalsciencejournals.onlinelibrary.wiley.com/doi/10.1002/cem.3448
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Abstract
Spectroscopy of skeletal tissues is increasingly used in various fields, including legal medicine, forensic science, and archaeology. As it is fast and technically and financially affordable yet accurate and widely applicable, spectroscopy is often used when investigating skeletal tissues. Despite its usefulness, the heterogeneity of skeletal tissues highly affects their chemical composition and complicates the interpretation of the spectroscopy results. Though the research on the use of spectroscopy and skeletal tissues from various contexts is growing, little is known regarding the differences in the chemometric indices caused by intra-skeleton variability. Objectives The objectives were a comparison of the chemometric indices between teeth and bones, between different bone classes, and between the skeletal elements within a bone class as well as an attempt to correlate the observed similarities or differences in chemometric indices to the functional or structural differences of skeletal elements. Materials and Methods Different skeletal elements of three individuals were analysed with attenuated total reflectance (ATR)–Fourier Transform Infrared (FTIR) spectroscopy and compared. Results Significant differences between the chemometric indices of the bones and teeth were observed and meaningfully correlated with their structural differences. Though more subtle and harder to understand, significant differences were also observed between and within the bone classes and were tentatively correlated with their structural and functional differences. Discussion The observed variability agrees with other studies that stress the importance of intra-skeleton variability, which should be acknowledged when using spectroscopy to investigate skeletal tissues.
Language:
English
Keywords:
ATR-FTIR spectroscopy
,
intra-skeletal variability
,
chemometrics
,
bone type
,
skeletal element
Work type:
Article
Typology:
1.01 - Original Scientific Article
Organization:
FF - Faculty of Arts
MF - Faculty of Medicine
Publication status:
Published
Publication version:
Version of Record
Year:
2022
Number of pages:
15 str.
Numbering:
Vol. 36, iss. 11, art. e3448
PID:
20.500.12556/RUL-144338
UDC:
61
ISSN on article:
1099-128X
DOI:
10.1002/cem.3448
COBISS.SI-ID:
123441923
Publication date in RUL:
15.02.2023
Views:
546
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85
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Record is a part of a journal
Title:
Journal of chemometrics
Publisher:
Wiley
ISSN:
1099-128X
COBISS.SI-ID:
21825029
Licences
License:
CC BY-NC 4.0, Creative Commons Attribution-NonCommercial 4.0 International
Link:
http://creativecommons.org/licenses/by-nc/4.0/
Description:
A creative commons license that bans commercial use, but the users don’t have to license their derivative works on the same terms.
Secondary language
Language:
Slovenian
Keywords:
ATR-FTIR spektroskopija
,
znotrajskeletna variabilnost
,
kemometrija
Projects
Funder:
ARRS - Slovenian Research Agency
Project number:
J3-3080
Name:
Določitev predniškega porekla iz DNA za identifikacijske namene
Funder:
ARRS - Slovenian Research Agency
Project number:
0581-012
Name:
Research Group Archaeology
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