Please use this identifier to cite or link to this item:
10.1088/1757-899X/77/1/012027
Title: | Importance of FTIR spectra deconvolution for the analysis of amorphous calcium phosphates |
Authors: | Brangule, Agnese Gross, Karlis Agris Rīga Stradiņš University |
Keywords: | amorphous calcium phosphate;bone;spectroscopy;FTIR-DRIFT;deconvolution;2.5 Materials engineering;1.4 Chemical sciences;3.1. Articles or chapters in proceedings/scientific books indexed in Web of Science and/or Scopus database;General Materials Science;General Engineering |
Issue Date: | 2015 |
Citation: | Brangule , A & Gross , K A 2015 , Importance of FTIR spectra deconvolution for the analysis of amorphous calcium phosphates . in 12th Russia/CIS/Baltic/Japan Symposium on Ferroelectricity (RCBJSF-12) and 9th International Conference "Functional Materials and Nanotechnologies" (FM &NT-2014) : Conference Proceedings . 1 edn , vol. 77 , 012027 , IOP Conference Series: Materials Science and Engineering , 12th Russia/CIS/Baltic/Japan Symposium on Ferroelectricity (RCBJSF-12) and 9th International Conference "Functional Materials and Nanotechnologies" (FM &NT-2014) , Riga , Latvia , 29/09/14 . https://doi.org/10.1088/1757-899X/77/1/012027 conference |
Series/Report no.: | IOP Conference Series: Materials Science and Engineering |
Abstract: | This work will consider Fourier transform infrared spectroscopy-diffuse reflectance infrared reflection (FTIR-DRIFT) for collecting the spectra and deconvolution to identify changes in bonding as a means of more powerful detection. Spectra were recorded from amorphous calcium phosphate synthesized by wet precipitation, and from bone. FTIR-DRIFT was used to study the chemical environments of PO4, CO3 and amide. Deconvolution of spectra separated overlapping bands in the 4PO4, 2CO3, 3CO3 and amide region allowing a more detailed analysis of changes at the atomic level. Amorphous calcium phosphate dried at 80 oC, despite showing an X-ray diffraction amorphous structure, displayed carbonate in positions resembling a carbonated hydroxyapatite. Additional peaks were designated as A1 type, A2 type or B type. Deconvolution allowed the separation of CO3 positions in bone from amide peaks. FTIR-DRIFT spectrometry in combination with deconvolution offers an advanced tool for qualitative and quantitative determination of CO3, PO4 and HPO4 and shows promise to measure the degree of order. |
Description: | Publisher Copyright: © Published under licence by IOP Publishing Ltd. Copyright: Copyright 2015 Elsevier B.V., All rights reserved. |
DOI: | 10.1088/1757-899X/77/1/012027 |
ISSN: | 1757-8981 |
Appears in Collections: | Research outputs from Pure / Zinātniskās darbības rezultāti no ZDIS Pure |
Files in This Item:
File | Size | Format | |
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Importance_of_FTIR_Spectra_Deconvolution.pdf | 1.26 MB | Adobe PDF | View/Open |
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