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Coupled substitutions of fluorapatite crystals in the engineering of optically-active bionanomaterials

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2021
bitstream_1944.pdf (305.8Kb)
Authors
Milojkov, Dušan
Manojlović, Vaso
Mutavdžić, Dragosav
Sokić, Miroslav
Contributors
Rabasović, Mihailo
Lekić, Marina
Krmpot, Aleksandar
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Abstract
A wide range of new biomaterials for medical use has been prepared using various coupled ionic substitutions in a fluorapatite (FAp) crystal matrix [1-4]. FAp is present in human enamel, so its synthetic form is often used in the treatment of dental caries or osteoporosis [5]. In recent years, FAP nano-sized particles doped with rare-earth ions have been extensively studied as potential luminescent material for cell labeling, bone imaging in bone tissue engineering, and for cancer therapies [1-4]. Moreover, FAp is a suitable crystal matrix for various substituents that can alter its physicochemical, luminescent, and biological properties [5]. Uniform nanopowders of pure fluorapatite (FAp) and praseodymium-nitrate-carbonate substituted fluorapatite (PrNCFAp) have been successfully synthesized by precipitation reaction, and systematically characterized by XRD, FTIR, SEM, TG and PL methods. Coupled substitution of FAp reduces the crystallite size, and FTIR spectra indicate the presence o...f nitrate (NO3-) and carbonat (CO32-) species. Structure thermally analysis confirm decomposition of water, NO3- and CO32- species in the range of 100-750 oC. Emission of FAp nanopowder occurred in the violet-blue region of visible part of the spectrum, with redshift to the green color region when Pr3+, NO3- and CO32- substituted in the lattice. Analysis of luminescence spectra by MCR-ALS method extract three fluorophores from the samples and showed simultaneous existents of emission-reabsorption between dopants in FAp lattice. The obtained samples showed a small degree of hemolysis and antibacterial activity and could potentially be candidates for further research in dentistry

Source:
PHOTONICA2021 VIII International School and Conference on Photonics & HEMMAGINERO workshop, 2021, 101-101
Publisher:
  • Belgrade : Institute of Physics Belgrade
Funding / projects:
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200023 (Institute of Technology of Nuclear and Other Mineral Row Materials - ITNMS, Belgrade) (RS-200023)

ISBN: 978-86-82441-53-3

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URI
https://ritnms.itnms.ac.rs/handle/123456789/936
Collections
  • Radovi istraživača / Researchers’ publications
Institution/Community
Institut za tehnologiju nuklearnih i drugih mineralnih sirovina
TY  - CONF
AU  - Milojkov, Dušan
AU  - Manojlović, Vaso
AU  - Mutavdžić, Dragosav
AU  - Sokić, Miroslav
PY  - 2021
UR  - https://ritnms.itnms.ac.rs/handle/123456789/936
AB  - A wide range of new biomaterials for medical use has been prepared using various coupled ionic substitutions in a fluorapatite (FAp) crystal matrix [1-4]. FAp is present in human enamel, so its synthetic form is often used in the treatment of dental caries or osteoporosis [5]. In recent years, FAP nano-sized particles doped with rare-earth ions have been extensively studied as potential luminescent material for cell labeling, bone imaging in bone tissue engineering, and for cancer therapies [1-4]. Moreover, FAp is a suitable crystal matrix for various substituents that can alter its physicochemical, luminescent, and biological properties [5].
Uniform nanopowders of pure fluorapatite (FAp) and praseodymium-nitrate-carbonate substituted fluorapatite (PrNCFAp) have been successfully synthesized by precipitation reaction, and systematically characterized by XRD, FTIR, SEM, TG and PL methods. Coupled substitution of FAp reduces the crystallite size, and FTIR spectra indicate the presence of nitrate (NO3-) and carbonat (CO32-) species. Structure thermally analysis confirm decomposition of water, NO3- and CO32- species in the range of 100-750 oC. Emission of FAp nanopowder occurred in the violet-blue region of visible part of the spectrum, with redshift to the green color region when Pr3+, NO3- and CO32- substituted in the lattice. Analysis of luminescence spectra by MCR-ALS method extract three fluorophores from the samples and showed simultaneous existents of emission-reabsorption between dopants in FAp lattice. 
The obtained samples showed a small degree of hemolysis and antibacterial activity and could potentially be candidates for further research in dentistry
PB  - Belgrade : Institute of Physics Belgrade
C3  - PHOTONICA2021 VIII International School and Conference on Photonics & HEMMAGINERO workshop
T1  - Coupled substitutions of fluorapatite crystals in the engineering of optically-active bionanomaterials
EP  - 101
SP  - 101
ER  - 
@conference{
author = "Milojkov, Dušan and Manojlović, Vaso and Mutavdžić, Dragosav and Sokić, Miroslav",
year = "2021",
abstract = "A wide range of new biomaterials for medical use has been prepared using various coupled ionic substitutions in a fluorapatite (FAp) crystal matrix [1-4]. FAp is present in human enamel, so its synthetic form is often used in the treatment of dental caries or osteoporosis [5]. In recent years, FAP nano-sized particles doped with rare-earth ions have been extensively studied as potential luminescent material for cell labeling, bone imaging in bone tissue engineering, and for cancer therapies [1-4]. Moreover, FAp is a suitable crystal matrix for various substituents that can alter its physicochemical, luminescent, and biological properties [5].
Uniform nanopowders of pure fluorapatite (FAp) and praseodymium-nitrate-carbonate substituted fluorapatite (PrNCFAp) have been successfully synthesized by precipitation reaction, and systematically characterized by XRD, FTIR, SEM, TG and PL methods. Coupled substitution of FAp reduces the crystallite size, and FTIR spectra indicate the presence of nitrate (NO3-) and carbonat (CO32-) species. Structure thermally analysis confirm decomposition of water, NO3- and CO32- species in the range of 100-750 oC. Emission of FAp nanopowder occurred in the violet-blue region of visible part of the spectrum, with redshift to the green color region when Pr3+, NO3- and CO32- substituted in the lattice. Analysis of luminescence spectra by MCR-ALS method extract three fluorophores from the samples and showed simultaneous existents of emission-reabsorption between dopants in FAp lattice. 
The obtained samples showed a small degree of hemolysis and antibacterial activity and could potentially be candidates for further research in dentistry",
publisher = "Belgrade : Institute of Physics Belgrade",
journal = "PHOTONICA2021 VIII International School and Conference on Photonics & HEMMAGINERO workshop",
title = "Coupled substitutions of fluorapatite crystals in the engineering of optically-active bionanomaterials",
pages = "101-101"
}
Milojkov, D., Manojlović, V., Mutavdžić, D.,& Sokić, M.. (2021). Coupled substitutions of fluorapatite crystals in the engineering of optically-active bionanomaterials. in PHOTONICA2021 VIII International School and Conference on Photonics & HEMMAGINERO workshop
Belgrade : Institute of Physics Belgrade., 101-101.
Milojkov D, Manojlović V, Mutavdžić D, Sokić M. Coupled substitutions of fluorapatite crystals in the engineering of optically-active bionanomaterials. in PHOTONICA2021 VIII International School and Conference on Photonics & HEMMAGINERO workshop. 2021;:101-101..
Milojkov, Dušan, Manojlović, Vaso, Mutavdžić, Dragosav, Sokić, Miroslav, "Coupled substitutions of fluorapatite crystals in the engineering of optically-active bionanomaterials" in PHOTONICA2021 VIII International School and Conference on Photonics & HEMMAGINERO workshop (2021):101-101.

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