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Miljković, Miroslav

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56338757-4fb7-43f1-9719-b3e45d6107a8
  • Miljković, Miroslav (17)

Author's Bibliography

Microstructure and EDS Characterization of Doped BaTiO3 Ceramics

Miljković, Miroslav; Paunović, Vesna; Mitić, Vojislav V.; Radosavljević Mihajlović, Ana; Veljković, Sandra

(Belgrade : Serbian Ceramic Society, 2018)

TY  - CONF
AU  - Miljković, Miroslav
AU  - Paunović, Vesna
AU  - Mitić, Vojislav V.
AU  - Radosavljević Mihajlović, Ana
AU  - Veljković, Sandra
PY  - 2018
UR  - http://dais.sanu.ac.rs/123456789/4086
AB  - The purpose of this paper is an investigation of the effects of various dopants (La, Nb, Sb) on the microstructure properties, phase composition and contact surface of BaTiO3 based ceramics. The doped BaTiO3-ceramics were prepared by conventional solid state procedure and sintered up to 1350oC for four hours. The concentration of additive were range from 0.1 to 5.0 at% of La, Nb or Sb. The grain size and microstructure characteristics for various samples and their phase composition was carried out using a scanning electron microscope SEM (JEOL-JSM 5300) equipped with EDS (QX 2000S) system. The homogeneous and completely fine-grained was observed in samples doped with low concentration of dopant (0.1 and 0.5 at %). EDS analysis of this samples did not reveal any dopant-rich regions, which indicated a uniform incorporation of dopants within the samples. In high doped samples, apart from the fine grained matrix, the appearance of local area with secondary abnormal grains was observed. The increase of dopant concentration leads to the appearance of dopant-rich regions between grains.
PB  - Belgrade : Serbian Ceramic Society
C3  - Program and the Book of Abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application VII : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 17-19 September 2018
T1  - Microstructure and EDS Characterization of Doped BaTiO3 Ceramics
SP  - 91
EP  - 91
ER  - 
@conference{
author = "Miljković, Miroslav and Paunović, Vesna and Mitić, Vojislav V. and Radosavljević Mihajlović, Ana and Veljković, Sandra",
year = "2018",
url = "http://dais.sanu.ac.rs/123456789/4086",
abstract = "The purpose of this paper is an investigation of the effects of various dopants (La, Nb, Sb) on the microstructure properties, phase composition and contact surface of BaTiO3 based ceramics. The doped BaTiO3-ceramics were prepared by conventional solid state procedure and sintered up to 1350oC for four hours. The concentration of additive were range from 0.1 to 5.0 at% of La, Nb or Sb. The grain size and microstructure characteristics for various samples and their phase composition was carried out using a scanning electron microscope SEM (JEOL-JSM 5300) equipped with EDS (QX 2000S) system. The homogeneous and completely fine-grained was observed in samples doped with low concentration of dopant (0.1 and 0.5 at %). EDS analysis of this samples did not reveal any dopant-rich regions, which indicated a uniform incorporation of dopants within the samples. In high doped samples, apart from the fine grained matrix, the appearance of local area with secondary abnormal grains was observed. The increase of dopant concentration leads to the appearance of dopant-rich regions between grains.",
publisher = "Belgrade : Serbian Ceramic Society",
journal = "Program and the Book of Abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application VII : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 17-19 September 2018",
title = "Microstructure and EDS Characterization of Doped BaTiO3 Ceramics",
pages = "91-91"
}
Miljković, M., Paunović, V., Mitić, V. V., Radosavljević Mihajlović, A.,& Veljković, S. (2018). Microstructure and EDS Characterization of Doped BaTiO3 Ceramics.
Program and the Book of Abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application VII : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 17-19 September 2018Belgrade : Serbian Ceramic Society., null, 91-91. 
Miljković M, Paunović V, Mitić VV, Radosavljević Mihajlović A, Veljković S. Microstructure and EDS Characterization of Doped BaTiO3 Ceramics. Program and the Book of Abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application VII : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 17-19 September 2018. 2018;:91-91

Fractal nature structure reconstruction method in designing microstructure properties

Mitić, Vojislav V.; Kocić, Ljubiša; Paunović, Vesna; Lazović, Goran; Miljković, Miroslav

(Elsevier, 2018)

TY  - JOUR
AU  - Mitić, Vojislav V.
AU  - Kocić, Ljubiša
AU  - Paunović, Vesna
AU  - Lazović, Goran
AU  - Miljković, Miroslav
PY  - 2018
UR  - http://dais.sanu.ac.rs/123456789/3741
AB  - In the process of predicting materials properties, it is necessary to predict microstructures. This is important for ceramic materials, for the purpose of miniaturization and for a higher level of integration. Although the method of material structure reconstruction is for the first time used on BaTiO3-ceramics by these authors, it can also be used for silicate, refractory and other ceramics, and, for any powder-based material. The reconstruction is based on the grain perimeter fractal analysis and the Richardson method. The main contribution of this paper is establishing the relationship between the electronic properties of BaTiO3-ceramics and its microstructural fractal nature. Similar relations can be used for any ceramics or even any materials. The samples consolidation includes both powder pressing (cold sintering phase) and sintering in a furnace (hot sintering phase). The fractal nature characterization has a very important role from the powder phase up to the final microstructure, through which structures it directly impacts electro-physical and other ceramics properties. Thereby, the new possibilities in the microstructure characterization applications are directly introduced to an engineering system, providing the new solutions related to computer aided support. This creates new industrial production and application possibilities, especially in the process of ceramics material consolidation, now based on microstructural properties, which is providing a basis for “fractal electronics’’ development. © 2018 Elsevier Ltd
PB  - Elsevier
T2  - Materials Research Bulletin
T1  - Fractal nature structure reconstruction method in designing microstructure properties
SP  - 175
EP  - 183
VL  - 101
DO  - 10.1016/j.materresbull.2018.01.019
ER  - 
@article{
author = "Mitić, Vojislav V. and Kocić, Ljubiša and Paunović, Vesna and Lazović, Goran and Miljković, Miroslav",
year = "2018",
url = "http://dais.sanu.ac.rs/123456789/3741",
abstract = "In the process of predicting materials properties, it is necessary to predict microstructures. This is important for ceramic materials, for the purpose of miniaturization and for a higher level of integration. Although the method of material structure reconstruction is for the first time used on BaTiO3-ceramics by these authors, it can also be used for silicate, refractory and other ceramics, and, for any powder-based material. The reconstruction is based on the grain perimeter fractal analysis and the Richardson method. The main contribution of this paper is establishing the relationship between the electronic properties of BaTiO3-ceramics and its microstructural fractal nature. Similar relations can be used for any ceramics or even any materials. The samples consolidation includes both powder pressing (cold sintering phase) and sintering in a furnace (hot sintering phase). The fractal nature characterization has a very important role from the powder phase up to the final microstructure, through which structures it directly impacts electro-physical and other ceramics properties. Thereby, the new possibilities in the microstructure characterization applications are directly introduced to an engineering system, providing the new solutions related to computer aided support. This creates new industrial production and application possibilities, especially in the process of ceramics material consolidation, now based on microstructural properties, which is providing a basis for “fractal electronics’’ development. © 2018 Elsevier Ltd",
publisher = "Elsevier",
journal = "Materials Research Bulletin",
title = "Fractal nature structure reconstruction method in designing microstructure properties",
pages = "175-183",
volume = "101",
doi = "10.1016/j.materresbull.2018.01.019"
}
Mitić, V. V., Kocić, L., Paunović, V., Lazović, G.,& Miljković, M. (2018). Fractal nature structure reconstruction method in designing microstructure properties.
Materials Research BulletinElsevier., 101, 175-183. 
https://doi.org/10.1016/j.materresbull.2018.01.019
Mitić VV, Kocić L, Paunović V, Lazović G, Miljković M. Fractal nature structure reconstruction method in designing microstructure properties. Materials Research Bulletin. 2018;101:175-183
7
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Hydrothermally processed 1D hydroxyapatite: Mechanism of formation and biocompatibility studies

Stojanović, Zoran S.; Ignjatović, Nenad; Wu, Victoria; Žunič, Vojka; Veselinović, Ljiljana; Škapin, Srečo Davor; Miljković, Miroslav; Uskoković, Vuk; Uskoković, Dragan

(2016)

TY  - JOUR
AU  - Stojanović, Zoran S.
AU  - Ignjatović, Nenad
AU  - Wu, Victoria
AU  - Žunič, Vojka
AU  - Veselinović, Ljiljana
AU  - Škapin, Srečo Davor
AU  - Miljković, Miroslav
AU  - Uskoković, Vuk
AU  - Uskoković, Dragan
PY  - 2016
UR  - http://dais.sanu.ac.rs/123456789/15985
AB  - Recent developments in bone tissue engineering have led to an increased interest in one-dimensional (1D) hydroxyapatite (HA) nano- and micro-structures such as wires, ribbons and tubes. They have been proposed for use as cell substrates, reinforcing phases in composites and carriers for biologically active substances. Here we demonstrate the synthesis of 1D HA structures using an optimized, urea-assisted, high-yield hydrothermal batch process. The one-pot process, yielding HA structures composed of bundles of ribbons and wires, was typified by the simultaneous occurrence of a multitude of intermediate reactions, failing to meet the uniformity criteria over particle morphology and size. To overcome these issues, the preparation procedure was divided to two stages: dicalcium phosphate platelets synthesized in the first step were used as a precursor for the synthesis of 1D HA in the second stage. Despite the elongated particle morphologies, both the precursor and the final product exhibited excellent biocompatibility and caused no reduction of viability when tested against osteoblastic MC3T3-E1 cells in 2D culture up to the concentration of 2.6 mg/cm2. X-ray powder diffraction combined with a range of electron microscopies and laser diffraction analyses was used to elucidate the formation mechanism and the microstructure of the final particles. The two-step synthesis involved a more direct transformation of DCP to 1D HA with the average diameter of 37 nm and the aspect ratio exceeding 100:1. The comparison of crystalline domain sizes along different crystallographic directions showed no signs of significant anisotropy, while indicating that individual nanowires are ordered in bundles in the b crystallographic direction of the P63/m space group of HA. Intermediate processes, e.g., dehydration of dicalcium phosphate, are critical for the formation of 1D HA alongside other key aspects of this phase transformation, it must be investigated in more detail in the continuous design of smart HA micro- and nano-structures with advanced therapeutic potentials.
T2  - Materials Science and Engineering: C
T1  - Hydrothermally processed 1D hydroxyapatite: Mechanism of formation and biocompatibility studies
SP  - 746
EP  - 757
VL  - 68
DO  - 10.1016/j.msec.2016.06.047
ER  - 
@article{
author = "Stojanović, Zoran S. and Ignjatović, Nenad and Wu, Victoria and Žunič, Vojka and Veselinović, Ljiljana and Škapin, Srečo Davor and Miljković, Miroslav and Uskoković, Vuk and Uskoković, Dragan",
year = "2016",
url = "http://dais.sanu.ac.rs/123456789/15985",
abstract = "Recent developments in bone tissue engineering have led to an increased interest in one-dimensional (1D) hydroxyapatite (HA) nano- and micro-structures such as wires, ribbons and tubes. They have been proposed for use as cell substrates, reinforcing phases in composites and carriers for biologically active substances. Here we demonstrate the synthesis of 1D HA structures using an optimized, urea-assisted, high-yield hydrothermal batch process. The one-pot process, yielding HA structures composed of bundles of ribbons and wires, was typified by the simultaneous occurrence of a multitude of intermediate reactions, failing to meet the uniformity criteria over particle morphology and size. To overcome these issues, the preparation procedure was divided to two stages: dicalcium phosphate platelets synthesized in the first step were used as a precursor for the synthesis of 1D HA in the second stage. Despite the elongated particle morphologies, both the precursor and the final product exhibited excellent biocompatibility and caused no reduction of viability when tested against osteoblastic MC3T3-E1 cells in 2D culture up to the concentration of 2.6 mg/cm2. X-ray powder diffraction combined with a range of electron microscopies and laser diffraction analyses was used to elucidate the formation mechanism and the microstructure of the final particles. The two-step synthesis involved a more direct transformation of DCP to 1D HA with the average diameter of 37 nm and the aspect ratio exceeding 100:1. The comparison of crystalline domain sizes along different crystallographic directions showed no signs of significant anisotropy, while indicating that individual nanowires are ordered in bundles in the b crystallographic direction of the P63/m space group of HA. Intermediate processes, e.g., dehydration of dicalcium phosphate, are critical for the formation of 1D HA alongside other key aspects of this phase transformation, it must be investigated in more detail in the continuous design of smart HA micro- and nano-structures with advanced therapeutic potentials.",
journal = "Materials Science and Engineering: C",
title = "Hydrothermally processed 1D hydroxyapatite: Mechanism of formation and biocompatibility studies",
pages = "746-757",
volume = "68",
doi = "10.1016/j.msec.2016.06.047"
}
Stojanović, Z. S., Ignjatović, N., Wu, V., Žunič, V., Veselinović, L., Škapin, S. D., Miljković, M., Uskoković, V.,& Uskoković, D. (2016). Hydrothermally processed 1D hydroxyapatite: Mechanism of formation and biocompatibility studies.
Materials Science and Engineering: C, 68, 746-757. 
https://doi.org/10.1016/j.msec.2016.06.047
Stojanović ZS, Ignjatović N, Wu V, Žunič V, Veselinović L, Škapin SD, Miljković M, Uskoković V, Uskoković D. Hydrothermally processed 1D hydroxyapatite: Mechanism of formation and biocompatibility studies. Materials Science and Engineering: C. 2016;68:746-757
20
21
22

Hydrothermally processed 1D hydroxyapatite: Mechanism of formation and biocompatibility studies

Stojanović, Zoran S.; Ignjatović, Nenad; Wu, Victoria; Žunič, Vojka; Veselinović, Ljiljana; Škapin, Srečo Davor; Miljković, Miroslav; Uskoković, Vuk; Uskoković, Dragan

(Elsevier, 2016)

TY  - JOUR
AU  - Stojanović, Zoran S.
AU  - Ignjatović, Nenad
AU  - Wu, Victoria
AU  - Žunič, Vojka
AU  - Veselinović, Ljiljana
AU  - Škapin, Srečo Davor
AU  - Miljković, Miroslav
AU  - Uskoković, Vuk
AU  - Uskoković, Dragan
PY  - 2016
UR  - http://dais.sanu.ac.rs/123456789/16006
AB  - Recent developments in bone tissue engineering have led to an increased interest in one-dimensional (1D) hydroxyapatite (HA) nano- and micro-structures such as wires, ribbons and tubes. They have been proposed for use as cell substrates, reinforcing phases in composites and carriers for biologically active substances. Here we demonstrate the synthesis of 1D HA structures using an optimized, urea-assisted, high-yield hydrothermal batch process. The one-pot process, yielding HA structures composed of bundles of ribbons and wires, was typified by the simultaneous occurrence of a multitude of intermediate reactions, failing to meet the uniformity criteria over particle morphology and size. To overcome these issues, the preparation procedure was divided to two stages: dicalcium phosphate platelets synthesized in the first step were used as a precursor for the synthesis of 1D HA in the second stage. Despite the elongated particle morphologies, both the precursor and the final product exhibited excellent biocompatibility and caused no reduction of viability when tested against osteoblastic MC3T3-E1 cells in 2D culture up to the concentration of 2.6 mg/cm2. X-ray powder diffraction combined with a range of electron microscopies and laser diffraction analyses was used to elucidate the formation mechanism and the microstructure of the final particles. The two-step synthesis involved a more direct transformation of DCP to 1D HA with the average diameter of 37 nm and the aspect ratio exceeding 100:1. The comparison of crystalline domain sizes along different crystallographic directions showed no signs of significant anisotropy, while indicating that individual nanowires are ordered in bundles in the b crystallographic direction of the P63/m space group of HA. Intermediate processes, e.g., dehydration of dicalcium phosphate, are critical for the formation of 1D HA alongside other key aspects of this phase transformation, it must be investigated in more detail in the continuous design of smart HA micro- and nano-structures with advanced therapeutic potentials.
PB  - Elsevier
T2  - Materials Science and Engineering: C
T1  - Hydrothermally processed 1D hydroxyapatite: Mechanism of formation and biocompatibility studies
SP  - 746
EP  - 757
VL  - 68
DO  - 10.1016/j.msec.2016.06.047
ER  - 
@article{
author = "Stojanović, Zoran S. and Ignjatović, Nenad and Wu, Victoria and Žunič, Vojka and Veselinović, Ljiljana and Škapin, Srečo Davor and Miljković, Miroslav and Uskoković, Vuk and Uskoković, Dragan",
year = "2016",
url = "http://dais.sanu.ac.rs/123456789/16006",
abstract = "Recent developments in bone tissue engineering have led to an increased interest in one-dimensional (1D) hydroxyapatite (HA) nano- and micro-structures such as wires, ribbons and tubes. They have been proposed for use as cell substrates, reinforcing phases in composites and carriers for biologically active substances. Here we demonstrate the synthesis of 1D HA structures using an optimized, urea-assisted, high-yield hydrothermal batch process. The one-pot process, yielding HA structures composed of bundles of ribbons and wires, was typified by the simultaneous occurrence of a multitude of intermediate reactions, failing to meet the uniformity criteria over particle morphology and size. To overcome these issues, the preparation procedure was divided to two stages: dicalcium phosphate platelets synthesized in the first step were used as a precursor for the synthesis of 1D HA in the second stage. Despite the elongated particle morphologies, both the precursor and the final product exhibited excellent biocompatibility and caused no reduction of viability when tested against osteoblastic MC3T3-E1 cells in 2D culture up to the concentration of 2.6 mg/cm2. X-ray powder diffraction combined with a range of electron microscopies and laser diffraction analyses was used to elucidate the formation mechanism and the microstructure of the final particles. The two-step synthesis involved a more direct transformation of DCP to 1D HA with the average diameter of 37 nm and the aspect ratio exceeding 100:1. The comparison of crystalline domain sizes along different crystallographic directions showed no signs of significant anisotropy, while indicating that individual nanowires are ordered in bundles in the b crystallographic direction of the P63/m space group of HA. Intermediate processes, e.g., dehydration of dicalcium phosphate, are critical for the formation of 1D HA alongside other key aspects of this phase transformation, it must be investigated in more detail in the continuous design of smart HA micro- and nano-structures with advanced therapeutic potentials.",
publisher = "Elsevier",
journal = "Materials Science and Engineering: C",
title = "Hydrothermally processed 1D hydroxyapatite: Mechanism of formation and biocompatibility studies",
pages = "746-757",
volume = "68",
doi = "10.1016/j.msec.2016.06.047"
}
Stojanović, Z. S., Ignjatović, N., Wu, V., Žunič, V., Veselinović, L., Škapin, S. D., Miljković, M., Uskoković, V.,& Uskoković, D. (2016). Hydrothermally processed 1D hydroxyapatite: Mechanism of formation and biocompatibility studies.
Materials Science and Engineering: CElsevier., 68, 746-757. 
https://doi.org/10.1016/j.msec.2016.06.047
Stojanović ZS, Ignjatović N, Wu V, Žunič V, Veselinović L, Škapin SD, Miljković M, Uskoković V, Uskoković D. Hydrothermally processed 1D hydroxyapatite: Mechanism of formation and biocompatibility studies. Materials Science and Engineering: C. 2016;68:746-757
20
21
22

Scanning electron microscopy analysis of changes of hydroxiapatite/poly-l-lactide with different molecular weight of PLLA after intraperitoneal implantation

Đorđević, Ljubiša; Najman, Stevo; Vasiljević, Perica; Miljković, Miroslav; Ignjatović, Nenad; Uskoković, Dragan; Plavšić, Milenko

(2016)

TY  - JOUR
AU  - Đorđević, Ljubiša
AU  - Najman, Stevo
AU  - Vasiljević, Perica
AU  - Miljković, Miroslav
AU  - Ignjatović, Nenad
AU  - Uskoković, Dragan
AU  - Plavšić, Milenko
PY  - 2016
UR  - http://dais.sanu.ac.rs/123456789/15457
AB  - Implantation of a biomaterial is one of the important trends in solving the problem of bone tissue loss. Calcium hydroxiapatite (HAp), as the most representative bone component is a serious candidate for such implantations. The synthetic polymer poly-L-lactide (PLLA) in HAp/PLLA is often used as a polymeric material, with a role in the substitution of bone tissue collagen fibers. Fibers of PLLA may strengthen HAp and its good bioresorption provides space for tissue remodeling. Differences in porosity, microstructure, compressive consistency as well as bioresorbility of HAp/PLLA may be achieved by using PLLA with different molecular weights. In this study HAp/PLLA composites with PLLA of different molecular weights (50,000; 160,000 and 430,000) were implanted in mouse peritoneum in order to examine the influence of the molecular weight of PLLA on morphology changes. Microstructural changes of biomaterial (HAp/PLLA) surface were analyzed one week, three weeks and four months after their implantation using Scanning Electron Microscopy. The results showed a significant difference in tissue reactions on the applied biocomposites, depending on their molecular weight. The most intense proliferation of cells was induced by HAp/PLLA 50,000 compared to HAp/PLLA 430,000 and HAp/PLLA 160,000. In the vicinity of HAp/PLLA 430,000 abundant erythrocytes were observed. The differences in biological reactions on the examined biocomposites are significant for their practical applications. HAp/PLLA composite biomaterials of different types and resorption rates require specific designing and programming to become suitable for particular purposes in an organism.
T2  - Acta Veterinaria
T1  - Scanning electron microscopy analysis of changes of hydroxiapatite/poly-l-lactide with different molecular weight of PLLA after intraperitoneal implantation
SP  - 234
EP  - 244
VL  - 66
IS  - 2
DO  - 10.1515/acve-2016-0020
ER  - 
@article{
author = "Đorđević, Ljubiša and Najman, Stevo and Vasiljević, Perica and Miljković, Miroslav and Ignjatović, Nenad and Uskoković, Dragan and Plavšić, Milenko",
year = "2016",
url = "http://dais.sanu.ac.rs/123456789/15457",
abstract = "Implantation of a biomaterial is one of the important trends in solving the problem of bone tissue loss. Calcium hydroxiapatite (HAp), as the most representative bone component is a serious candidate for such implantations. The synthetic polymer poly-L-lactide (PLLA) in HAp/PLLA is often used as a polymeric material, with a role in the substitution of bone tissue collagen fibers. Fibers of PLLA may strengthen HAp and its good bioresorption provides space for tissue remodeling. Differences in porosity, microstructure, compressive consistency as well as bioresorbility of HAp/PLLA may be achieved by using PLLA with different molecular weights. In this study HAp/PLLA composites with PLLA of different molecular weights (50,000; 160,000 and 430,000) were implanted in mouse peritoneum in order to examine the influence of the molecular weight of PLLA on morphology changes. Microstructural changes of biomaterial (HAp/PLLA) surface were analyzed one week, three weeks and four months after their implantation using Scanning Electron Microscopy. The results showed a significant difference in tissue reactions on the applied biocomposites, depending on their molecular weight. The most intense proliferation of cells was induced by HAp/PLLA 50,000 compared to HAp/PLLA 430,000 and HAp/PLLA 160,000. In the vicinity of HAp/PLLA 430,000 abundant erythrocytes were observed. The differences in biological reactions on the examined biocomposites are significant for their practical applications. HAp/PLLA composite biomaterials of different types and resorption rates require specific designing and programming to become suitable for particular purposes in an organism.",
journal = "Acta Veterinaria",
title = "Scanning electron microscopy analysis of changes of hydroxiapatite/poly-l-lactide with different molecular weight of PLLA after intraperitoneal implantation",
pages = "234-244",
volume = "66",
number = "2",
doi = "10.1515/acve-2016-0020"
}
Đorđević, L., Najman, S., Vasiljević, P., Miljković, M., Ignjatović, N., Uskoković, D.,& Plavšić, M. (2016). Scanning electron microscopy analysis of changes of hydroxiapatite/poly-l-lactide with different molecular weight of PLLA after intraperitoneal implantation.
Acta Veterinaria, 66(2), 234-244. 
https://doi.org/10.1515/acve-2016-0020
Đorđević L, Najman S, Vasiljević P, Miljković M, Ignjatović N, Uskoković D, Plavšić M. Scanning electron microscopy analysis of changes of hydroxiapatite/poly-l-lactide with different molecular weight of PLLA after intraperitoneal implantation. Acta Veterinaria. 2016;66(2):234-244

Alkali-Aggregate Reactions in Concrete

Toplicic-Ćurčić, Gordana; Mitić, Vojislav V.; Grdić, Dušan; Miljković, Miroslav

(Atlantis Press, 2016)

TY  - CONF
AU  - Toplicic-Ćurčić, Gordana
AU  - Mitić, Vojislav V.
AU  - Grdić, Dušan
AU  - Miljković, Miroslav
PY  - 2016
UR  - http://dais.sanu.ac.rs/123456789/845
AB  - In most concretes, aggregates are more or less chemically inert. However, some aggregates react with the alkali hydroxides in concrete, causing expansion and cracking over a period of many years. This alkali-aggregate reaction has two forms: alkali-silica reaction (ASR) and alkali-carbonate reaction (ACR). ASR is the most common form of alkali-aggregate reaction (AAR) in concrete; the other, much less common, form is alkali-carbonate reaction (ACR). If the aggregate is shown to be potentially reactive by the tests, some mitigation measure must be used to control the expansion and cracking. Alkali-silica reaction can be controlled using certain supplementary cementitious materials.
PB  - Atlantis Press
C3  - Proceedings of the III Advanced Ceramics and Applications Conference
T1  - Alkali-Aggregate Reactions in Concrete
SP  - 361
EP  - 383
ER  - 
@conference{
author = "Toplicic-Ćurčić, Gordana and Mitić, Vojislav V. and Grdić, Dušan and Miljković, Miroslav",
year = "2016",
url = "http://dais.sanu.ac.rs/123456789/845",
abstract = "In most concretes, aggregates are more or less chemically inert. However, some aggregates react with the alkali hydroxides in concrete, causing expansion and cracking over a period of many years. This alkali-aggregate reaction has two forms: alkali-silica reaction (ASR) and alkali-carbonate reaction (ACR). ASR is the most common form of alkali-aggregate reaction (AAR) in concrete; the other, much less common, form is alkali-carbonate reaction (ACR). If the aggregate is shown to be potentially reactive by the tests, some mitigation measure must be used to control the expansion and cracking. Alkali-silica reaction can be controlled using certain supplementary cementitious materials.",
publisher = "Atlantis Press",
journal = "Proceedings of the III Advanced Ceramics and Applications Conference",
title = "Alkali-Aggregate Reactions in Concrete",
pages = "361-383"
}
Toplicic-Ćurčić, G., Mitić, V. V., Grdić, D.,& Miljković, M. (2016). Alkali-Aggregate Reactions in Concrete.
Proceedings of the III Advanced Ceramics and Applications ConferenceAtlantis Press., null, 361-383. 
Toplicic-Ćurčić G, Mitić VV, Grdić D, Miljković M. Alkali-Aggregate Reactions in Concrete. Proceedings of the III Advanced Ceramics and Applications Conference. 2016;:361-383

The hydrothermal synthesis of 1d biomedical hydroxyapatite nanostructures

Stojanović, Zoran S.; Veselinović, Ljiljana; Ignjatović, Nenad; Miljković, Miroslav; Uskoković, Dragan

(Belgrade : Materials Research Society of Serbia, 2014)

TY  - CONF
AU  - Stojanović, Zoran S.
AU  - Veselinović, Ljiljana
AU  - Ignjatović, Nenad
AU  - Miljković, Miroslav
AU  - Uskoković, Dragan
PY  - 2014
UR  - http://dais.sanu.ac.rs/123456789/581
AB  - 1D hydroxyapatite nanostructures such as nanotubes, ultra long nanowires and other morphological varieties have been promising material for bone reconstruction and therapy. Advantages like high specific surface, packing properties and mechanical properties make those nanostructures excellent candidates for scaffolds. This work is focused on soft hydrothermal routes for preparing different 1D nanostructures. Using hydroxyapatite formation mechanisms in hydrothermal and solvothermal systems, various chemical parameters, i.e. precursor chemical composition, are investigated for obtaining these 1D materials on gram scale. The synthesized materials are characterized by X – ray diffraction, scanning electron microscopy and laser diffraction methods.
PB  - Belgrade : Materials Research Society of Serbia
C3  - The Sixteenth Annual Conference YUCOMAT 2014: Programme and the Book of Abstracts
T1  - The hydrothermal synthesis of 1d biomedical hydroxyapatite nanostructures
SP  - 63
EP  - 63
ER  - 
@conference{
author = "Stojanović, Zoran S. and Veselinović, Ljiljana and Ignjatović, Nenad and Miljković, Miroslav and Uskoković, Dragan",
year = "2014",
url = "http://dais.sanu.ac.rs/123456789/581",
abstract = "1D hydroxyapatite nanostructures such as nanotubes, ultra long nanowires and other morphological varieties have been promising material for bone reconstruction and therapy. Advantages like high specific surface, packing properties and mechanical properties make those nanostructures excellent candidates for scaffolds. This work is focused on soft hydrothermal routes for preparing different 1D nanostructures. Using hydroxyapatite formation mechanisms in hydrothermal and solvothermal systems, various chemical parameters, i.e. precursor chemical composition, are investigated for obtaining these 1D materials on gram scale. The synthesized materials are characterized by X – ray diffraction, scanning electron microscopy and laser diffraction methods.",
publisher = "Belgrade : Materials Research Society of Serbia",
journal = "The Sixteenth Annual Conference YUCOMAT 2014: Programme and the Book of Abstracts",
title = "The hydrothermal synthesis of 1d biomedical hydroxyapatite nanostructures",
pages = "63-63"
}
Stojanović, Z. S., Veselinović, L., Ignjatović, N., Miljković, M.,& Uskoković, D. (2014). The hydrothermal synthesis of 1d biomedical hydroxyapatite nanostructures.
The Sixteenth Annual Conference YUCOMAT 2014: Programme and the Book of AbstractsBelgrade : Materials Research Society of Serbia., null, 63-63. 
Stojanović ZS, Veselinović L, Ignjatović N, Miljković M, Uskoković D. The hydrothermal synthesis of 1d biomedical hydroxyapatite nanostructures. The Sixteenth Annual Conference YUCOMAT 2014: Programme and the Book of Abstracts. 2014;:63-63

Microstructure Samples Preparation and Analysis on the Way for Statistical and Fractals Applications

Miljković, Miroslav; Paunović, Vesna; Kocić, Ljubiša; Janković, Slobodanka; Mitić, Vojislav V.

(Belgrade : Serbian Ceramic Society, 2014)

TY  - CONF
AU  - Miljković, Miroslav
AU  - Paunović, Vesna
AU  - Kocić, Ljubiša
AU  - Janković, Slobodanka
AU  - Mitić, Vojislav V.
PY  - 2014
UR  - http://dais.sanu.ac.rs/123456789/615
AB  - The new correlation between microstructure and dielectric properties of doped BaTiO3-ceramics based on fractal geometry and contact surface probability has been developed. The doped BaTiO3-ceramics using in this investigation has been prepared by a conventional solid state reaction. The content of additive oxides, Ho2O3, are ranged from 0.05 to 1.0 at%. The samples were sintered at 1320° and 1350°C for two hours with heating rate of 300oC/h in the air atmosphere. The microstructures of the as sintered or chemically etched samples were observed by using scanning electronic microscope JEOL-JSM 5300 equipped with energy dispersive spectrometry EDS (QX 2000S) system. By using the fractal analysis and statistics methods of the grains contact surface, a reconstruction of microstructure configurations, like grains shapes, or intergranular contacts has been successfully done. The presented results indicate that fractals analysis and statistics model of different shapes of contact surfaces are very important for prognosis of BaTiO3-ceramics microstructure and dielectric properties. The morphology of sintered BaTiO3-ceramics grains points out the validity of developing new structure analytical methods based on different geometries of grains' model systems. The grains contact models based on ellipsoidal geometry is presented as a new modeling tool for structure research of BaTiO3-ceramics materials. The directions of possible materials properties prognosis are determined according to the correlations synthesis-structure-property.
PB  - Belgrade : Serbian Ceramic Society
C3  - Advanced Ceramics and Application : new frontiers in multifunctional material science and processing : program and the book of abstracts / III Serbian Ceramic Society Conference, 29th September - 1st October, Belgrade, 2014
T1  - Microstructure Samples Preparation and Analysis on the Way for Statistical and Fractals Applications
SP  - 107
EP  - 107
ER  - 
@conference{
author = "Miljković, Miroslav and Paunović, Vesna and Kocić, Ljubiša and Janković, Slobodanka and Mitić, Vojislav V.",
year = "2014",
url = "http://dais.sanu.ac.rs/123456789/615",
abstract = "The new correlation between microstructure and dielectric properties of doped BaTiO3-ceramics based on fractal geometry and contact surface probability has been developed. The doped BaTiO3-ceramics using in this investigation has been prepared by a conventional solid state reaction. The content of additive oxides, Ho2O3, are ranged from 0.05 to 1.0 at%. The samples were sintered at 1320° and 1350°C for two hours with heating rate of 300oC/h in the air atmosphere. The microstructures of the as sintered or chemically etched samples were observed by using scanning electronic microscope JEOL-JSM 5300 equipped with energy dispersive spectrometry EDS (QX 2000S) system. By using the fractal analysis and statistics methods of the grains contact surface, a reconstruction of microstructure configurations, like grains shapes, or intergranular contacts has been successfully done. The presented results indicate that fractals analysis and statistics model of different shapes of contact surfaces are very important for prognosis of BaTiO3-ceramics microstructure and dielectric properties. The morphology of sintered BaTiO3-ceramics grains points out the validity of developing new structure analytical methods based on different geometries of grains' model systems. The grains contact models based on ellipsoidal geometry is presented as a new modeling tool for structure research of BaTiO3-ceramics materials. The directions of possible materials properties prognosis are determined according to the correlations synthesis-structure-property.",
publisher = "Belgrade : Serbian Ceramic Society",
journal = "Advanced Ceramics and Application : new frontiers in multifunctional material science and processing : program and the book of abstracts / III Serbian Ceramic Society Conference, 29th September - 1st October, Belgrade, 2014",
title = "Microstructure Samples Preparation and Analysis on the Way for Statistical and Fractals Applications",
pages = "107-107"
}
Miljković, M., Paunović, V., Kocić, L., Janković, S.,& Mitić, V. V. (2014). Microstructure Samples Preparation and Analysis on the Way for Statistical and Fractals Applications.
Advanced Ceramics and Application : new frontiers in multifunctional material science and processing : program and the book of abstracts / III Serbian Ceramic Society Conference, 29th September - 1st October, Belgrade, 2014Belgrade : Serbian Ceramic Society., null, 107-107. 
Miljković M, Paunović V, Kocić L, Janković S, Mitić VV. Microstructure Samples Preparation and Analysis on the Way for Statistical and Fractals Applications. Advanced Ceramics and Application : new frontiers in multifunctional material science and processing : program and the book of abstracts / III Serbian Ceramic Society Conference, 29th September - 1st October, Belgrade, 2014. 2014;:107-107

The Hydrothermal Synthesis of 1D Biomedical Hydroxyapatite Nanostructures

Stojanović, Zoran S.; Veselinović, Ljiljana; Ignjatović, Nenad; Miljković, Miroslav; Uskoković, Dragan

(2014)

TY  - CONF
AU  - Stojanović, Zoran S.
AU  - Veselinović, Ljiljana
AU  - Ignjatović, Nenad
AU  - Miljković, Miroslav
AU  - Uskoković, Dragan
PY  - 2014
UR  - http://dais.sanu.ac.rs/123456789/576
AB  - Poster presented at the 16th Annual Conference of the Materials Research Society of Serbia - YUCOMAT 2014, Herceg Novi, Montenegro, September 1–5, 2014
T1  - The Hydrothermal Synthesis of 1D Biomedical Hydroxyapatite Nanostructures
ER  - 
@conference{
author = "Stojanović, Zoran S. and Veselinović, Ljiljana and Ignjatović, Nenad and Miljković, Miroslav and Uskoković, Dragan",
year = "2014",
url = "http://dais.sanu.ac.rs/123456789/576",
abstract = "Poster presented at the 16th Annual Conference of the Materials Research Society of Serbia - YUCOMAT 2014, Herceg Novi, Montenegro, September 1–5, 2014",
title = "The Hydrothermal Synthesis of 1D Biomedical Hydroxyapatite Nanostructures"
}
Stojanović, Z. S., Veselinović, L., Ignjatović, N., Miljković, M.,& Uskoković, D. (2014). The Hydrothermal Synthesis of 1D Biomedical Hydroxyapatite Nanostructures.
null, null. 
Stojanović ZS, Veselinović L, Ignjatović N, Miljković M, Uskoković D. The Hydrothermal Synthesis of 1D Biomedical Hydroxyapatite Nanostructures. 2014;

Microstructure evolution and phase transition in Er doped BaTiO3 ceramics

Paunović, Vesna; Mitić, Vojislav V.; Miljković, Miroslav; Živković, Ljiljana

(Belgrade : Serbian Ceramic Society, 2013)

TY  - CONF
AU  - Paunović, Vesna
AU  - Mitić, Vojislav V.
AU  - Miljković, Miroslav
AU  - Živković, Ljiljana
PY  - 2013
UR  - http://dais.sanu.ac.rs/123456789/412
AB  - The Er doped BaTiO3 ceramics, with different Er2O3 content, ranging from 0.01 to 1.0 wt% Er, were investigated regarding their microstructural and dielectric characteristics in this paper. Doped BaTiO3 were prepared by using conventional method of solid state sintering at 1380 °C for four hours. SEM analysis of Er/BaTiO3 doped ceramics showed that in samples doped with a rareearth ions low level, the grain size ranged from 20-40 μm, while with the higher dopant concentration the abnormal grain growth is inhibited and the grain size ranged between 2-10μm. Dielectric measurements were carried out as a function of temperature up to180°C at different frequencies. The low doped samples sintered at 1380 °C, display the high value of dielectric permittivity at room temperature, 2160 for 0.01 Er/BaTiO3. A nearly flat permittivity-response was obtained in specimens with higher additive content. Using a Curie-Weiss low and modified Curie-Weiss low the Curie constant C, Curie temperature Tc and a critical exponent of nonlinearity γ were calculated. The Curie temperature of doped samples were ranged from 126 to 130 °C. The Curie constant for all series of samples decrease with increase of dopant concentration and the lowest values were mesured from samples doped with 0.01 wt% of aditive. The obtained value of γ pointed out that the specimens have almost sharp phase transition.
PB  - Belgrade : Serbian Ceramic Society
C3  - Advanced Ceramics and Application : new frontiers in multifunctional material science and processing : program and the book of abstracts : II Serbian Ceramic Society Conference, Sep 30th-Oct 1st, 2013, Belgrade
T1  - Microstructure evolution and phase transition in Er doped BaTiO3 ceramics
SP  - 20
EP  - 20
ER  - 
@conference{
author = "Paunović, Vesna and Mitić, Vojislav V. and Miljković, Miroslav and Živković, Ljiljana",
year = "2013",
url = "http://dais.sanu.ac.rs/123456789/412",
abstract = "The Er doped BaTiO3 ceramics, with different Er2O3 content, ranging from 0.01 to 1.0 wt% Er, were investigated regarding their microstructural and dielectric characteristics in this paper. Doped BaTiO3 were prepared by using conventional method of solid state sintering at 1380 °C for four hours. SEM analysis of Er/BaTiO3 doped ceramics showed that in samples doped with a rareearth ions low level, the grain size ranged from 20-40 μm, while with the higher dopant concentration the abnormal grain growth is inhibited and the grain size ranged between 2-10μm. Dielectric measurements were carried out as a function of temperature up to180°C at different frequencies. The low doped samples sintered at 1380 °C, display the high value of dielectric permittivity at room temperature, 2160 for 0.01 Er/BaTiO3. A nearly flat permittivity-response was obtained in specimens with higher additive content. Using a Curie-Weiss low and modified Curie-Weiss low the Curie constant C, Curie temperature Tc and a critical exponent of nonlinearity γ were calculated. The Curie temperature of doped samples were ranged from 126 to 130 °C. The Curie constant for all series of samples decrease with increase of dopant concentration and the lowest values were mesured from samples doped with 0.01 wt% of aditive. The obtained value of γ pointed out that the specimens have almost sharp phase transition.",
publisher = "Belgrade : Serbian Ceramic Society",
journal = "Advanced Ceramics and Application : new frontiers in multifunctional material science and processing : program and the book of abstracts : II Serbian Ceramic Society Conference, Sep 30th-Oct 1st, 2013, Belgrade",
title = "Microstructure evolution and phase transition in Er doped BaTiO3 ceramics",
pages = "20-20"
}
Paunović, V., Mitić, V. V., Miljković, M.,& Živković, L. (2013). Microstructure evolution and phase transition in Er doped BaTiO3 ceramics.
Advanced Ceramics and Application : new frontiers in multifunctional material science and processing : program and the book of abstracts : II Serbian Ceramic Society Conference, Sep 30th-Oct 1st, 2013, BelgradeBelgrade : Serbian Ceramic Society., null, 20-20. 
Paunović V, Mitić VV, Miljković M, Živković L. Microstructure evolution and phase transition in Er doped BaTiO3 ceramics. Advanced Ceramics and Application : new frontiers in multifunctional material science and processing : program and the book of abstracts : II Serbian Ceramic Society Conference, Sep 30th-Oct 1st, 2013, Belgrade. 2013;:20-20

The Influence of Consolidation Parameters on Grain Contact Surfaces BaTiO3-Ceramics

Mitić, Vojislav V.; Pavlović, Vladimir B.; Paunović, Vesna; Miljković, Miroslav; Nedin, Jelena; Dukić, Milan

(Hoboken, NJ : John Wiley & Sons, 2012)

TY  - CHAP
AU  - Mitić, Vojislav V.
AU  - Pavlović, Vladimir B.
AU  - Paunović, Vesna
AU  - Miljković, Miroslav
AU  - Nedin, Jelena
AU  - Dukić, Milan
PY  - 2012
UR  - http://dais.sanu.ac.rs/123456789/482
AB  - Mitic, V. V., Pavlovic, V. B., Paunovic, V., Miljkovic, M., Nedin, J. and Dukic, M. (2012) The Influence of Consolidation Parameters on Grain Contact Surfaces BaTiO3-Ceramics, in Advances and Applications in Electroceramics II: Ceramic Transactions, Volume 235 (eds K. M. Nair and S. Priya), John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9781118511350.ch20
PB  - Hoboken, NJ : John Wiley & Sons
T2  - Advances and Applications in Electroceramics II
T1  - The Influence of Consolidation Parameters on Grain Contact Surfaces BaTiO3-Ceramics
SP  - 199
EP  - 205
DO  - 10.1002/9781118511350.ch20
ER  - 
@article{
author = "Mitić, Vojislav V. and Pavlović, Vladimir B. and Paunović, Vesna and Miljković, Miroslav and Nedin, Jelena and Dukić, Milan",
year = "2012",
url = "http://dais.sanu.ac.rs/123456789/482",
abstract = "Mitic, V. V., Pavlovic, V. B., Paunovic, V., Miljkovic, M., Nedin, J. and Dukic, M. (2012) The Influence of Consolidation Parameters on Grain Contact Surfaces BaTiO3-Ceramics, in Advances and Applications in Electroceramics II: Ceramic Transactions, Volume 235 (eds K. M. Nair and S. Priya), John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9781118511350.ch20",
publisher = "Hoboken, NJ : John Wiley & Sons",
journal = "Advances and Applications in Electroceramics II",
title = "The Influence of Consolidation Parameters on Grain Contact Surfaces BaTiO3-Ceramics",
pages = "199-205",
doi = "10.1002/9781118511350.ch20"
}
Mitić, V. V., Pavlović, V. B., Paunović, V., Miljković, M., Nedin, J.,& Dukić, M. (2012). The Influence of Consolidation Parameters on Grain Contact Surfaces BaTiO3-Ceramics.
Advances and Applications in Electroceramics IIHoboken, NJ : John Wiley & Sons., null, 199-205. 
https://doi.org/10.1002/9781118511350.ch20
Mitić VV, Pavlović VB, Paunović V, Miljković M, Nedin J, Dukić M. The Influence of Consolidation Parameters on Grain Contact Surfaces BaTiO3-Ceramics. Advances and Applications in Electroceramics II. 2012;:199-205
1

Ho2O3 Additive Effects on BaTiO3 Ceramics Microstructure and Dielectric Properties

Paunović, Vesna; Mitić, Vojislav V.; Miljković, Miroslav; Pavlović, Vera P.; Živković, Ljiljana

(Belgrade : International Institute for the Science of Sintering, 2012)

TY  - JOUR
AU  - Paunović, Vesna
AU  - Mitić, Vojislav V.
AU  - Miljković, Miroslav
AU  - Pavlović, Vera P.
AU  - Živković, Ljiljana
PY  - 2012
UR  - http://dais.sanu.ac.rs/123456789/194
AB  - Doped BaTiO 3-ceramics is very interesting for their application as PTCR resistors, multilayer ceramic capacitors, thermal sensors etc. Ho doped BaTiO 3 ceramics, with different Ho 2O 3 content, ranging from 0.01 to 1.0 wt% Ho, were investigated regarding their microstructural and dielectric characteristics. The samples were prepared by the conventional solid state reaction and sintered at 1320° and 1380°C in an air atmosphere for 4 hours. The grain size and microstructure characteristics for various samples and their phase composition was carried out using a scanning electron microscope (SEM) equipped with EDS system. SEM analysis of Ho/BaTiO 3 doped ceramics showed that in samples doped with a rare-earth ions low level, the grain size ranged from 20-30μμm, while with the higher dopant concentration the abnormal grain growth is inhibited and the grain size ranged between 2-10μμm. Dielectric measurements were carried out as a function of temperature up to180 °C. The low doped samples sintered at 1380 °C, display the high value of dielectric permittivity at room temperature, 2400 for 0.01 Ho/BaTiO 3. A nearly flat permittivity-response was obtained in specimens with higher additive content. Using a Curie-Weiss low and modified CurieWeiss low the Curie constant (C), Curie temperature (Tc) and a critical exponent of nonlinearity (γ) were calculated. The obtained value of γ pointed out that the specimens have almost sharp phase transition.
PB  - Belgrade : International Institute for the Science of Sintering
T2  - Science of Sintering
T1  - Ho2O3 Additive Effects on BaTiO3 Ceramics Microstructure and Dielectric Properties
SP  - 223
EP  - 233
VL  - 44
IS  - 2
DO  - 10.2298/SOS1202223P
ER  - 
@article{
author = "Paunović, Vesna and Mitić, Vojislav V. and Miljković, Miroslav and Pavlović, Vera P. and Živković, Ljiljana",
year = "2012",
url = "http://dais.sanu.ac.rs/123456789/194",
abstract = "Doped BaTiO 3-ceramics is very interesting for their application as PTCR resistors, multilayer ceramic capacitors, thermal sensors etc. Ho doped BaTiO 3 ceramics, with different Ho 2O 3 content, ranging from 0.01 to 1.0 wt% Ho, were investigated regarding their microstructural and dielectric characteristics. The samples were prepared by the conventional solid state reaction and sintered at 1320° and 1380°C in an air atmosphere for 4 hours. The grain size and microstructure characteristics for various samples and their phase composition was carried out using a scanning electron microscope (SEM) equipped with EDS system. SEM analysis of Ho/BaTiO 3 doped ceramics showed that in samples doped with a rare-earth ions low level, the grain size ranged from 20-30μμm, while with the higher dopant concentration the abnormal grain growth is inhibited and the grain size ranged between 2-10μμm. Dielectric measurements were carried out as a function of temperature up to180 °C. The low doped samples sintered at 1380 °C, display the high value of dielectric permittivity at room temperature, 2400 for 0.01 Ho/BaTiO 3. A nearly flat permittivity-response was obtained in specimens with higher additive content. Using a Curie-Weiss low and modified CurieWeiss low the Curie constant (C), Curie temperature (Tc) and a critical exponent of nonlinearity (γ) were calculated. The obtained value of γ pointed out that the specimens have almost sharp phase transition.",
publisher = "Belgrade : International Institute for the Science of Sintering",
journal = "Science of Sintering",
title = "Ho2O3 Additive Effects on BaTiO3 Ceramics Microstructure and Dielectric Properties",
pages = "223-233",
volume = "44",
number = "2",
doi = "10.2298/SOS1202223P"
}
Paunović, V., Mitić, V. V., Miljković, M., Pavlović, V. P.,& Živković, L. (2012). Ho2O3 Additive Effects on BaTiO3 Ceramics Microstructure and Dielectric Properties.
Science of SinteringBelgrade : International Institute for the Science of Sintering., 44(2), 223-233. 
https://doi.org/10.2298/SOS1202223P
Paunović V, Mitić VV, Miljković M, Pavlović VP, Živković L. Ho2O3 Additive Effects on BaTiO3 Ceramics Microstructure and Dielectric Properties. Science of Sintering. 2012;44(2):223-233
8
6
7

Ho2O3 Additive Effects on Microstructure and Dielectrical Properties of BaTiO3 Ceramics

Paunović, Vesna; Mitić, Vojislav V.; Živković, Ljiljana; Miljković, Miroslav

(Belgrade : Serbian Ceramic Society, 2012)

TY  - CONF
AU  - Paunović, Vesna
AU  - Mitić, Vojislav V.
AU  - Živković, Ljiljana
AU  - Miljković, Miroslav
PY  - 2012
UR  - http://dais.sanu.ac.rs/123456789/526
AB  - Doped BaTiO3-ceramics is very interesting for its application as resistors with PTCR, multilayer ceramics capacitors, thermal sensors etc. Ho doped BaTiO3 ceramics, with different Ho2O3 content, ranging from 0.01 to 1.0 wt% Ho, were investigated regarding their microstructural and dielectric characteristics. The samples were prepared by the conventional solid state reaction and sintered at 1320°, 1350 °C and 1380°C in an air atmosphere for 4 hours. The grain size and microstructure characteristics for various samples and their phase composition were carried out using a scanning electron microscope SEM equipped with EDS system. SEM analysis of Ho/BaTiO3 doped ceramics showed that in samples doped with a low level of rare-earth ions, the grain size ranged from 10-40mm, while with the higher dopant concentration the abnormal grain growth is inhibited and the grain size ranged between 2-10μm. Dielectric measurements were carried out as a function of temperature up to180°C. The low doped samples sintered at 1380°C, display the high value of dielectric permittivity at room temperature, 2500 for 0.01Ho/BaTiO3. A nearly flat permittivity-response was obtained in specimens with higher additive content. Using a modified Curie-Weiss low the Curie constant (C/) and a critical exponent γ were calculated. The obtained values of γ pointed out the diffuse phase transformation in heavily doped BaTiO3 samples.
PB  - Belgrade : Serbian Ceramic Society
C3  - The First Serbian Ceramic Society Conference "Advanced Ceramics and Application" May 10-11, 2012: Program and the Book of Abstracts
T1  - Ho2O3 Additive Effects on Microstructure and Dielectrical Properties of BaTiO3 Ceramics
SP  - 10
EP  - 10
ER  - 
@conference{
author = "Paunović, Vesna and Mitić, Vojislav V. and Živković, Ljiljana and Miljković, Miroslav",
year = "2012",
url = "http://dais.sanu.ac.rs/123456789/526",
abstract = "Doped BaTiO3-ceramics is very interesting for its application as resistors with PTCR, multilayer ceramics capacitors, thermal sensors etc. Ho doped BaTiO3 ceramics, with different Ho2O3 content, ranging from 0.01 to 1.0 wt% Ho, were investigated regarding their microstructural and dielectric characteristics. The samples were prepared by the conventional solid state reaction and sintered at 1320°, 1350 °C and 1380°C in an air atmosphere for 4 hours. The grain size and microstructure characteristics for various samples and their phase composition were carried out using a scanning electron microscope SEM equipped with EDS system. SEM analysis of Ho/BaTiO3 doped ceramics showed that in samples doped with a low level of rare-earth ions, the grain size ranged from 10-40mm, while with the higher dopant concentration the abnormal grain growth is inhibited and the grain size ranged between 2-10μm. Dielectric measurements were carried out as a function of temperature up to180°C. The low doped samples sintered at 1380°C, display the high value of dielectric permittivity at room temperature, 2500 for 0.01Ho/BaTiO3. A nearly flat permittivity-response was obtained in specimens with higher additive content. Using a modified Curie-Weiss low the Curie constant (C/) and a critical exponent γ were calculated. The obtained values of γ pointed out the diffuse phase transformation in heavily doped BaTiO3 samples.",
publisher = "Belgrade : Serbian Ceramic Society",
journal = "The First Serbian Ceramic Society Conference "Advanced Ceramics and Application" May 10-11, 2012: Program and the Book of Abstracts",
title = "Ho2O3 Additive Effects on Microstructure and Dielectrical Properties of BaTiO3 Ceramics",
pages = "10-10"
}
Paunović, V., Mitić, V. V., Živković, L.,& Miljković, M. (2012). Ho2O3 Additive Effects on Microstructure and Dielectrical Properties of BaTiO3 Ceramics.
The First Serbian Ceramic Society Conference "Advanced Ceramics and Application" May 10-11, 2012: Program and the Book of AbstractsBelgrade : Serbian Ceramic Society., null, 10-10. 
Paunović V, Mitić VV, Živković L, Miljković M. Ho2O3 Additive Effects on Microstructure and Dielectrical Properties of BaTiO3 Ceramics. The First Serbian Ceramic Society Conference "Advanced Ceramics and Application" May 10-11, 2012: Program and the Book of Abstracts. 2012;:10-10

Apatite formation on nanomaterial calcium phosphate/poly-DL-lactide-co-glycolide in simulated body fluid

Vukelić, Marija Đ.; Mitić, Žarko; Miljković, Miroslav; Živković, Jelena M.; Ignjatović, Nenad; Uskoković, Dragan; Živanov Čurlis, Jelena Z.; Vasiljević, Perica; Najman, Stevo

(Milano : Wichtig Publishing, 2012)

TY  - JOUR
AU  - Vukelić, Marija Đ.
AU  - Mitić, Žarko
AU  - Miljković, Miroslav
AU  - Živković, Jelena M.
AU  - Ignjatović, Nenad
AU  - Uskoković, Dragan
AU  - Živanov Čurlis, Jelena Z.
AU  - Vasiljević, Perica
AU  - Najman, Stevo
PY  - 2012
UR  - http://dais.sanu.ac.rs/123456789/489
AB  - Simulated body fluid (SBF) is an artificial fluid which has ionic composition and ionic concentration similar to human blood plasma. Purpose: This paper compares the interaction between the nanomaterial containing calcium phosphate/poly-dl-lactide-co-glycolide (N-CP/PLGA) and SBF, in order to investigate whether and to what extent inorganic ionic composition of human blood plasma leads to the aforementioned changes in the material. Methods: N-CP/PLGA was incubated for 1, 2, 3, and 5 weeks in SBF. The surface of the material was analyzed on SEM-EDS and FTIR spectrometer, while SBF was subjected to pH and electrical conductivity measurement. Results: Our results indicate that dissolution of the polymer component of the material N-CP/PLGA and precipitation of the material similar to hydroxyapatite on its surface are based on the morphologic changes seen in this material. Conclusions: The mechanism of the apatite formation on the bioceramic surface was intensively studied and was considered crucial in designing the new biomaterials. The results obtained in this work indicate that N-CP/PLGA may be a good candidate for application to bone regeneration.
PB  - Milano : Wichtig Publishing
T2  - Journal of Applied Biomaterials and Functional Materials
T1  - Apatite formation on nanomaterial calcium phosphate/poly-DL-lactide-co-glycolide in simulated body fluid
SP  - 43
EP  - 48
DO  - 10.5301/JABFM.2012.9274
ER  - 
@article{
author = "Vukelić, Marija Đ. and Mitić, Žarko and Miljković, Miroslav and Živković, Jelena M. and Ignjatović, Nenad and Uskoković, Dragan and Živanov Čurlis, Jelena Z. and Vasiljević, Perica and Najman, Stevo",
year = "2012",
url = "http://dais.sanu.ac.rs/123456789/489",
abstract = "Simulated body fluid (SBF) is an artificial fluid which has ionic composition and ionic concentration similar to human blood plasma. Purpose: This paper compares the interaction between the nanomaterial containing calcium phosphate/poly-dl-lactide-co-glycolide (N-CP/PLGA) and SBF, in order to investigate whether and to what extent inorganic ionic composition of human blood plasma leads to the aforementioned changes in the material. Methods: N-CP/PLGA was incubated for 1, 2, 3, and 5 weeks in SBF. The surface of the material was analyzed on SEM-EDS and FTIR spectrometer, while SBF was subjected to pH and electrical conductivity measurement. Results: Our results indicate that dissolution of the polymer component of the material N-CP/PLGA and precipitation of the material similar to hydroxyapatite on its surface are based on the morphologic changes seen in this material. Conclusions: The mechanism of the apatite formation on the bioceramic surface was intensively studied and was considered crucial in designing the new biomaterials. The results obtained in this work indicate that N-CP/PLGA may be a good candidate for application to bone regeneration.",
publisher = "Milano : Wichtig Publishing",
journal = "Journal of Applied Biomaterials and Functional Materials",
title = "Apatite formation on nanomaterial calcium phosphate/poly-DL-lactide-co-glycolide in simulated body fluid",
pages = "43-48",
doi = "10.5301/JABFM.2012.9274"
}
Vukelić, M. Đ., Mitić, Ž., Miljković, M., Živković, J. M., Ignjatović, N., Uskoković, D., Živanov Čurlis, J. Z., Vasiljević, P.,& Najman, S. (2012). Apatite formation on nanomaterial calcium phosphate/poly-DL-lactide-co-glycolide in simulated body fluid.
Journal of Applied Biomaterials and Functional MaterialsMilano : Wichtig Publishing., null, 43-48. 
https://doi.org/10.5301/JABFM.2012.9274
Vukelić MĐ, Mitić Ž, Miljković M, Živković JM, Ignjatović N, Uskoković D, Živanov Čurlis JZ, Vasiljević P, Najman S. Apatite formation on nanomaterial calcium phosphate/poly-DL-lactide-co-glycolide in simulated body fluid. Journal of Applied Biomaterials and Functional Materials. 2012;:43-48
7
6
9

Interaction of biomaterial containing calcium hydroxyapatite/poly-l-lactide with simulated body fluid

Vukelić, Marija Đ.; Mitić, Žarko; Miljković, Miroslav; Živković, Jelena M.; Ignjatović, Nenad; Uskoković, Dragan

(Niš : University of Niš, Faculty of Medicine; Department of the Serbian Medical Society Niš, 2011)

TY  - JOUR
AU  - Vukelić, Marija Đ.
AU  - Mitić, Žarko
AU  - Miljković, Miroslav
AU  - Živković, Jelena M.
AU  - Ignjatović, Nenad
AU  - Uskoković, Dragan
PY  - 2011
UR  - http://dais.sanu.ac.rs/123456789/701
AB  - The purpose of biomaterials is to replace a part or a function of the body in a safe, physiologically and economically acceptable way. The process of the reconstruction of bone defects has always been a big problem in orthopedics and maxillofacial surgery. Since hydroxyapatite (HAp) was detected as a component, the predominant constituent and the integral element of Mammalian bones, the development of the phospate ceramics as potential materials for implantation was enabled. This study investigated whether and in which way biomaterial calcium hydroxyapatite/poly-L-lactide (HAp/PLLA) interacts with the ionic composition of the human plasma. The simulated body fluid (SBF) is an artificial fluid that has the ionic composition and ionic concentration similar to the human blood plasma. HAp/PLLA was incubated for 1, 2, 3 and 5 weeks in SBF. The surfaces of both treated and untreated materials were analyzed on a scanning electron microscopy (SEM), and were also exposed to the energy dispersive X-ray spectroscopy (EDS), while SBF was submitted to the measuring of pH and electrical conductivity. However, our results indicate that the degradational changes of the material HAp/PLLA in SBF start from the surface of the treated material and that observed changes are the consequence of dissolution of its polymer component and the precipitation of the material similar to hydroxyapatite on its surface. This material shows good characteristics that place it among good candidates for the application in orthopedics and maxillofacial surgery.
PB  - Niš : University of Niš, Faculty of Medicine; Department of  the Serbian Medical Society Niš
T2  - Acta medica Medianae
T1  - Interaction of biomaterial containing calcium hydroxyapatite/poly-l-lactide with simulated body fluid
SP  - 35
EP  - 39
VL  - 50
IS  - 4
DO  - 10.5633/amm.2011.0406
ER  - 
@article{
author = "Vukelić, Marija Đ. and Mitić, Žarko and Miljković, Miroslav and Živković, Jelena M. and Ignjatović, Nenad and Uskoković, Dragan",
year = "2011",
url = "http://dais.sanu.ac.rs/123456789/701",
abstract = "The purpose of biomaterials is to replace a part or a function of the body in a safe, physiologically and economically acceptable way. The process of the reconstruction of bone defects has always been a big problem in orthopedics and maxillofacial surgery. Since hydroxyapatite (HAp) was detected as a component, the predominant constituent and the integral element of Mammalian bones, the development of the phospate ceramics as potential materials for implantation was enabled. This study investigated whether and in which way biomaterial calcium hydroxyapatite/poly-L-lactide (HAp/PLLA) interacts with the ionic composition of the human plasma. The simulated body fluid (SBF) is an artificial fluid that has the ionic composition and ionic concentration similar to the human blood plasma. HAp/PLLA was incubated for 1, 2, 3 and 5 weeks in SBF. The surfaces of both treated and untreated materials were analyzed on a scanning electron microscopy (SEM), and were also exposed to the energy dispersive X-ray spectroscopy (EDS), while SBF was submitted to the measuring of pH and electrical conductivity. However, our results indicate that the degradational changes of the material HAp/PLLA in SBF start from the surface of the treated material and that observed changes are the consequence of dissolution of its polymer component and the precipitation of the material similar to hydroxyapatite on its surface. This material shows good characteristics that place it among good candidates for the application in orthopedics and maxillofacial surgery.",
publisher = "Niš : University of Niš, Faculty of Medicine; Department of  the Serbian Medical Society Niš",
journal = "Acta medica Medianae",
title = "Interaction of biomaterial containing calcium hydroxyapatite/poly-l-lactide with simulated body fluid",
pages = "35-39",
volume = "50",
number = "4",
doi = "10.5633/amm.2011.0406"
}
Vukelić, M. Đ., Mitić, Ž., Miljković, M., Živković, J. M., Ignjatović, N.,& Uskoković, D. (2011). Interaction of biomaterial containing calcium hydroxyapatite/poly-l-lactide with simulated body fluid.
Acta medica MedianaeNiš : University of Niš, Faculty of Medicine; Department of  the Serbian Medical Society Niš., 50(4), 35-39. 
https://doi.org/10.5633/amm.2011.0406
Vukelić MĐ, Mitić Ž, Miljković M, Živković JM, Ignjatović N, Uskoković D. Interaction of biomaterial containing calcium hydroxyapatite/poly-l-lactide with simulated body fluid. Acta medica Medianae. 2011;50(4):35-39
2

Densification, Microstructure, and Electrical Properties of BaTiO3 (BT) Ceramics Prepared from Ultrasonically De-Agglomerated BT Powders

Marković, Smilja; Miljković, Miroslav; Jovalekić, Čedomir; Mentus, Slavko; Uskoković, Dragan

(Taylor & Francis, 2009)

TY  - JOUR
AU  - Marković, Smilja
AU  - Miljković, Miroslav
AU  - Jovalekić, Čedomir
AU  - Mentus, Slavko
AU  - Uskoković, Dragan
PY  - 2009
UR  - http://dais.sanu.ac.rs/123456789/178
AB  - In this study, a correlation between densification, microstructure, and electrical properties of BaTiO3 (BT) ceramics prepared from ultrasonically de-agglomerated BT powders has been analyzed. BT powders with the same crystal structure (tetragonal) and stoichiometry, but with different average particle size, were used to prepare sintered ceramics. Densification and electrical properties of the sintered BT ceramics were correlated to the average particle size of the powders. It was found that a decrease in average particle size improved the densification process as well as the ceramics' microstructure. The impedance measurements were done up to 320°C in order to separate grain (bulk) and grain boundary contributions. Bulk resistance was more or less the same, independent on the average particle size of the powder. On the contrary, grain boundary resistance increased with decreasing average particle size of the powder.
PB  - Taylor & Francis
T2  - Materials and Manufacturing Processes
T1  - Densification, Microstructure, and Electrical Properties of BaTiO3 (BT) Ceramics Prepared from Ultrasonically De-Agglomerated BT Powders
SP  - 1114
EP  - 1123
VL  - 24
IS  - 10-11
DO  - 10.1080/10426910903031750
ER  - 
@article{
author = "Marković, Smilja and Miljković, Miroslav and Jovalekić, Čedomir and Mentus, Slavko and Uskoković, Dragan",
year = "2009",
url = "http://dais.sanu.ac.rs/123456789/178",
abstract = "In this study, a correlation between densification, microstructure, and electrical properties of BaTiO3 (BT) ceramics prepared from ultrasonically de-agglomerated BT powders has been analyzed. BT powders with the same crystal structure (tetragonal) and stoichiometry, but with different average particle size, were used to prepare sintered ceramics. Densification and electrical properties of the sintered BT ceramics were correlated to the average particle size of the powders. It was found that a decrease in average particle size improved the densification process as well as the ceramics' microstructure. The impedance measurements were done up to 320°C in order to separate grain (bulk) and grain boundary contributions. Bulk resistance was more or less the same, independent on the average particle size of the powder. On the contrary, grain boundary resistance increased with decreasing average particle size of the powder.",
publisher = "Taylor & Francis",
journal = "Materials and Manufacturing Processes",
title = "Densification, Microstructure, and Electrical Properties of BaTiO3 (BT) Ceramics Prepared from Ultrasonically De-Agglomerated BT Powders",
pages = "1114-1123",
volume = "24",
number = "10-11",
doi = "10.1080/10426910903031750"
}
Marković, S., Miljković, M., Jovalekić, Č., Mentus, S.,& Uskoković, D. (2009). Densification, Microstructure, and Electrical Properties of BaTiO3 (BT) Ceramics Prepared from Ultrasonically De-Agglomerated BT Powders.
Materials and Manufacturing ProcessesTaylor & Francis., 24(10-11), 1114-1123. 
https://doi.org/10.1080/10426910903031750
Marković S, Miljković M, Jovalekić Č, Mentus S, Uskoković D. Densification, Microstructure, and Electrical Properties of BaTiO3 (BT) Ceramics Prepared from Ultrasonically De-Agglomerated BT Powders. Materials and Manufacturing Processes. 2009;24(10-11):1114-1123
20
19
17

Cell response to intraperitoneal pdms/HAp composite implant

Najman, Stevo; Đorđević, Ljubiša; Savić, Vojin; Ignjatović, Nenad; Miljković, Miroslav; Vasiljević, Perica; Uskoković, Dragan

(Niš : University of Niš, Faculty of Medicine, 2005)

TY  - JOUR
AU  - Najman, Stevo
AU  - Đorđević, Ljubiša
AU  - Savić, Vojin
AU  - Ignjatović, Nenad
AU  - Miljković, Miroslav
AU  - Vasiljević, Perica
AU  - Uskoković, Dragan
PY  - 2005
UR  - http://www.ncbi.nlm.nih.gov/pubmed/0365-44780503005N
UR  - http://dais.sanu.ac.rs/123456789/3365
AB  - Siloxane polimers have been widely used in biomedicine and pharmacy due to their biocompatibility. Hydroxyapatite (HAp) is a natural constituent of bones, and therefore widely used in maxillofacial and orthopedic surgery. HAp itself is amorphous and without elasticity, so its characteristics can be improved when combined with organic polymers. We evaluated the interaction of cells and composites made of polydimethylsiloxane (PDMS) and HAp by scanning electron microscopy (SEM) 10 days after their intraperitoneal implantation into Balb/c mice. Two composites which were different in the quantity of HAp were analyzed. Both of them showed high adhesive characteristics for different cell types. The erythrocytes in cell clusters could be seen on the surface of the composite with higher quantity of HAp.
AB  - Siloksanski polimeri široko se koriste u biomedicini i farmaciji. Hidroksiapatit (HAp) je prirodni konstituent kosti i zato je u širokoj upotrebi u maksilofacijalnoj i ortopedskoj hirurgiji. Sam HAp je amorfan i nema elastičnosti, pa se njegove osobine poboljšavaju kombinovanjem sa polimerima. Ispitivali smo interakciju ćelija i kompozita izrađenog od polidimetilsiloksana (PDMS) i HAp-a skening elektronskom mikroskopijom (SEM) 10 dana posle intraperitonealne implantacije ovih materijala u Balb/c miševe. Analizirana su dva kompozita koji se razlikuju u količini HAp-a. Oba se karakterišu visokom adhezivnošću za različite tipove ćelija. Eritrociti se vide u ćelijskim klasterima na površini kompozita sa većom količinom HAp-a.
PB  - Niš : University of Niš, Faculty of Medicine
T2  - Acta medica Medianae
T1  - Cell response to intraperitoneal pdms/HAp composite implant
T1  - Ćelijski odgovor na intraperitonealni implant kompozita pdms/HAp
SP  - 5
EP  - 8
VL  - 44
IS  - 3
ER  - 
@article{
author = "Najman, Stevo and Đorđević, Ljubiša and Savić, Vojin and Ignjatović, Nenad and Miljković, Miroslav and Vasiljević, Perica and Uskoković, Dragan",
year = "2005",
url = "http://www.ncbi.nlm.nih.gov/pubmed/0365-44780503005N, http://dais.sanu.ac.rs/123456789/3365",
abstract = "Siloxane polimers have been widely used in biomedicine and pharmacy due to their biocompatibility. Hydroxyapatite (HAp) is a natural constituent of bones, and therefore widely used in maxillofacial and orthopedic surgery. HAp itself is amorphous and without elasticity, so its characteristics can be improved when combined with organic polymers. We evaluated the interaction of cells and composites made of polydimethylsiloxane (PDMS) and HAp by scanning electron microscopy (SEM) 10 days after their intraperitoneal implantation into Balb/c mice. Two composites which were different in the quantity of HAp were analyzed. Both of them showed high adhesive characteristics for different cell types. The erythrocytes in cell clusters could be seen on the surface of the composite with higher quantity of HAp., Siloksanski polimeri široko se koriste u biomedicini i farmaciji. Hidroksiapatit (HAp) je prirodni konstituent kosti i zato je u širokoj upotrebi u maksilofacijalnoj i ortopedskoj hirurgiji. Sam HAp je amorfan i nema elastičnosti, pa se njegove osobine poboljšavaju kombinovanjem sa polimerima. Ispitivali smo interakciju ćelija i kompozita izrađenog od polidimetilsiloksana (PDMS) i HAp-a skening elektronskom mikroskopijom (SEM) 10 dana posle intraperitonealne implantacije ovih materijala u Balb/c miševe. Analizirana su dva kompozita koji se razlikuju u količini HAp-a. Oba se karakterišu visokom adhezivnošću za različite tipove ćelija. Eritrociti se vide u ćelijskim klasterima na površini kompozita sa većom količinom HAp-a.",
publisher = "Niš : University of Niš, Faculty of Medicine",
journal = "Acta medica Medianae",
title = "Cell response to intraperitoneal pdms/HAp composite implant, Ćelijski odgovor na intraperitonealni implant kompozita pdms/HAp",
pages = "5-8",
volume = "44",
number = "3"
}
Najman, S., Đorđević, L., Savić, V., Ignjatović, N., Miljković, M., Vasiljević, P.,& Uskoković, D. (2005). Cell response to intraperitoneal pdms/HAp composite implant.
Acta medica MedianaeNiš : University of Niš, Faculty of Medicine., 44(3), 5-8. 
Najman S, Đorđević L, Savić V, Ignjatović N, Miljković M, Vasiljević P, Uskoković D. Cell response to intraperitoneal pdms/HAp composite implant. Acta medica Medianae. 2005;44(3):5-8