TY  - JOUR
AU  - Jevtic, M.
AU  - Radulovic, A.
AU  - Ignjatović, Nenad L.
AU  - Mitrić, Miodrag
AU  - Uskoković, Dragan
PY  - 2009
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/3597
AB  - An ultrasound field was applied to obtain PLGA/HAp biocomposite nanospheres. Formulation of PLGA/HAp, composite revealed significant dependence of the morphology of the obtained composite on synthesis parameters, like the intensity of applied ultrasonic field, polymeric and ceramic parts wt.% ratio in the composite, temperature of the medium, type of surfactant, and the sequence of steps in the formation of PLGA/HAp. Optimal parameters for the formation of PLGA/HAp included a lower content of the ceramic phase (PLGA/HAp = 90: 10), higher power of ultrasonic field (P = 142.4 W), lower temperature of the medium during ultrasonic treatment (T = 8 degrees C), dilute solution of PVP as surfactant and dispersion of hydroxyapatite in polymer solution in order to achieve required homogeneity before the formulation of the composite. The morphology of PLGA/HAp particles synthesized under these conditions was highly regular: sphere-like, with particles of very small dimensions (150-320 nm), highly uniform particle size distribution and characteristic planar spatial self-organization. These characteristics indicate significant improvements in PLGA/HAp composite resulting from ultrasonic method. (C) 2008 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
T2  - Acta Biomaterialia
T1  - Controlled assembly of Poly(D,L-lactide-co-glycolide)/hydroxyapatite core-shell nanospheres under ultrasonic irradiation
VL  - 5
IS  - 1
SP  - 208
EP  - 218
DO  - 10.1016/j.actbio.2008.07.026
ER  - 

@article{
author = "Jevtic, M. and Radulovic, A. and Ignjatović, Nenad L. and Mitrić, Miodrag and Uskoković, Dragan",
year = "2009",
abstract = "An ultrasound field was applied to obtain PLGA/HAp biocomposite nanospheres. Formulation of PLGA/HAp, composite revealed significant dependence of the morphology of the obtained composite on synthesis parameters, like the intensity of applied ultrasonic field, polymeric and ceramic parts wt.% ratio in the composite, temperature of the medium, type of surfactant, and the sequence of steps in the formation of PLGA/HAp. Optimal parameters for the formation of PLGA/HAp included a lower content of the ceramic phase (PLGA/HAp = 90: 10), higher power of ultrasonic field (P = 142.4 W), lower temperature of the medium during ultrasonic treatment (T = 8 degrees C), dilute solution of PVP as surfactant and dispersion of hydroxyapatite in polymer solution in order to achieve required homogeneity before the formulation of the composite. The morphology of PLGA/HAp particles synthesized under these conditions was highly regular: sphere-like, with particles of very small dimensions (150-320 nm), highly uniform particle size distribution and characteristic planar spatial self-organization. These characteristics indicate significant improvements in PLGA/HAp composite resulting from ultrasonic method. (C) 2008 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.",
journal = "Acta Biomaterialia",
title = "Controlled assembly of Poly(D,L-lactide-co-glycolide)/hydroxyapatite core-shell nanospheres under ultrasonic irradiation",
volume = "5",
number = "1",
pages = "208-218",
doi = "10.1016/j.actbio.2008.07.026"
}

Jevtic, M., Radulovic, A., Ignjatović, N. L., Mitrić, M.,& Uskoković, D.. (2009). Controlled assembly of Poly(D,L-lactide-co-glycolide)/hydroxyapatite core-shell nanospheres under ultrasonic irradiation. in Acta Biomaterialia, 5(1), 208-218.
https://doi.org/10.1016/j.actbio.2008.07.026

Jevtic M, Radulovic A, Ignjatović NL, Mitrić M, Uskoković D. Controlled assembly of Poly(D,L-lactide-co-glycolide)/hydroxyapatite core-shell nanospheres under ultrasonic irradiation. in Acta Biomaterialia. 2009;5(1):208-218.
doi:10.1016/j.actbio.2008.07.026 .

Jevtic, M., Radulovic, A., Ignjatović, Nenad L., Mitrić, Miodrag, Uskoković, Dragan, "Controlled assembly of Poly(D,L-lactide-co-glycolide)/hydroxyapatite core-shell nanospheres under ultrasonic irradiation" in Acta Biomaterialia, 5, no. 1 (2009):208-218,
https://doi.org/10.1016/j.actbio.2008.07.026 . .

TY  - JOUR
AU  - Jevtic, M.
AU  - Mitrić, Miodrag
AU  - Škapin, Srečo Davor
AU  - Jančar, Boštjan
AU  - Ignjatović, Nenad L.
AU  - Uskoković, Dragan
PY  - 2008
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/3486
AB  - Using a homogeneous precipitation method in an ultrasound field, we synthesized nanosized, platelike hydroxyapatite (HAp). The internal structure of these platelike formations consists of specifically oriented and laterally connected nanorods. The synthesized HAp nanorods have a length of about 500 nm and a diameter of about 100 nm. A, closer inspection of the microstructure of a single nanorod revealed a highly regular and defect-free lattice with unique crystallographic plane orientations. The obtained structure was related to the influence of the ultrasound on the growth mechanism. The samples were characterized by X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and transmission, electron microscopy (TEM).
T2  - Crystal Growth and Design
T1  - Crystal structure of hydroxyapatite nanorods synthesized by sonochemical homogeneous precipitation
VL  - 8
IS  - 7
SP  - 2217
EP  - 2222
DO  - 10.1021/cg7007304
ER  - 

@article{
author = "Jevtic, M. and Mitrić, Miodrag and Škapin, Srečo Davor and Jančar, Boštjan and Ignjatović, Nenad L. and Uskoković, Dragan",
year = "2008",
abstract = "Using a homogeneous precipitation method in an ultrasound field, we synthesized nanosized, platelike hydroxyapatite (HAp). The internal structure of these platelike formations consists of specifically oriented and laterally connected nanorods. The synthesized HAp nanorods have a length of about 500 nm and a diameter of about 100 nm. A, closer inspection of the microstructure of a single nanorod revealed a highly regular and defect-free lattice with unique crystallographic plane orientations. The obtained structure was related to the influence of the ultrasound on the growth mechanism. The samples were characterized by X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and transmission, electron microscopy (TEM).",
journal = "Crystal Growth and Design",
title = "Crystal structure of hydroxyapatite nanorods synthesized by sonochemical homogeneous precipitation",
volume = "8",
number = "7",
pages = "2217-2222",
doi = "10.1021/cg7007304"
}

Jevtic, M., Mitrić, M., Škapin, S. D., Jančar, B., Ignjatović, N. L.,& Uskoković, D.. (2008). Crystal structure of hydroxyapatite nanorods synthesized by sonochemical homogeneous precipitation. in Crystal Growth and Design, 8(7), 2217-2222.
https://doi.org/10.1021/cg7007304

Jevtic M, Mitrić M, Škapin SD, Jančar B, Ignjatović NL, Uskoković D. Crystal structure of hydroxyapatite nanorods synthesized by sonochemical homogeneous precipitation. in Crystal Growth and Design. 2008;8(7):2217-2222.
doi:10.1021/cg7007304 .

Jevtic, M., Mitrić, Miodrag, Škapin, Srečo Davor, Jančar, Boštjan, Ignjatović, Nenad L., Uskoković, Dragan, "Crystal structure of hydroxyapatite nanorods synthesized by sonochemical homogeneous precipitation" in Crystal Growth and Design, 8, no. 7 (2008):2217-2222,
https://doi.org/10.1021/cg7007304 . .