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2013 (3)
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Lee, Jongwook

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  • Lee, Jongwook (3)
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Author's Bibliography

The solvothermal synthesis of magnetic iron oxide nanocrystals and the preparation of hybrid poly(L-lactide)-polyethyleneimine magnetic particles

Stojanović, Zoran S.; Otoničar, Mojca; Lee, Jongwook; Stevanović, Magdalena; Hwang, Mintai P.; Lee, Hyi; Choi, Jonghoon; Uskoković, Dragan

(Elsevier, 2013)

TY  - JOUR
AU  - Stojanović, Zoran S.
AU  - Otoničar, Mojca
AU  - Lee, Jongwook
AU  - Stevanović, Magdalena
AU  - Hwang, Mintai P.
AU  - Lee, Hyi
AU  - Choi, Jonghoon
AU  - Uskoković, Dragan
PY  - 2013
UR  - http://dais.sanu.ac.rs/123456789/113
AB  - We report a simple and green procedure for the preparation of magnetic iron oxide nanocrystals via solvothermal synthesis. The nanocrystal synthesis was carried out under mild conditions in the water–ethanol–oleic acid solvent system with the use of the oleate anion as a surface modifier of nanocrystals and glucose as a reducing agent. Specific conditions for homogenous precipitation achieved in such a reaction system lead to the formation of uniform high-quality nanocrystals down to 5 nm in diameter. The obtained hydrophobic nanocrystals can easily be converted to hydrophilic magnetic nanoparticles by being immobilized in a poly(l-lactide)–polyethyleneimine polymeric matrix. These hybrid nano-constructs may find various biomedical applications, such as magnetic separation, gene transfection and/or magnetic resonance imaging.
PB  - Elsevier
T2  - Colloids and Surfaces B: Biointerfaces
T1  - The solvothermal synthesis of magnetic iron oxide nanocrystals and the preparation of hybrid poly(L-lactide)-polyethyleneimine magnetic particles
SP  - 236
EP  - 243
VL  - 109
DO  - 10.1016/j.colsurfb.2013.03.053
ER  - 
@article{
author = "Stojanović, Zoran S. and Otoničar, Mojca and Lee, Jongwook and Stevanović, Magdalena and Hwang, Mintai P. and Lee, Hyi and Choi, Jonghoon and Uskoković, Dragan",
year = "2013",
url = "http://dais.sanu.ac.rs/123456789/113",
abstract = "We report a simple and green procedure for the preparation of magnetic iron oxide nanocrystals via solvothermal synthesis. The nanocrystal synthesis was carried out under mild conditions in the water–ethanol–oleic acid solvent system with the use of the oleate anion as a surface modifier of nanocrystals and glucose as a reducing agent. Specific conditions for homogenous precipitation achieved in such a reaction system lead to the formation of uniform high-quality nanocrystals down to 5 nm in diameter. The obtained hydrophobic nanocrystals can easily be converted to hydrophilic magnetic nanoparticles by being immobilized in a poly(l-lactide)–polyethyleneimine polymeric matrix. These hybrid nano-constructs may find various biomedical applications, such as magnetic separation, gene transfection and/or magnetic resonance imaging.",
publisher = "Elsevier",
journal = "Colloids and Surfaces B: Biointerfaces",
title = "The solvothermal synthesis of magnetic iron oxide nanocrystals and the preparation of hybrid poly(L-lactide)-polyethyleneimine magnetic particles",
pages = "236-243",
volume = "109",
doi = "10.1016/j.colsurfb.2013.03.053"
}
Stojanović, Z. S., Otoničar, M., Lee, J., Stevanović, M., Hwang, M. P., Lee, H., Choi, J.,& Uskoković, D. (2013). The solvothermal synthesis of magnetic iron oxide nanocrystals and the preparation of hybrid poly(L-lactide)-polyethyleneimine magnetic particles.
Colloids and Surfaces B: BiointerfacesElsevier., 109, 236-243. 
https://doi.org/10.1016/j.colsurfb.2013.03.053
Stojanović ZS, Otoničar M, Lee J, Stevanović M, Hwang MP, Lee H, Choi J, Uskoković D. The solvothermal synthesis of magnetic iron oxide nanocrystals and the preparation of hybrid poly(L-lactide)-polyethyleneimine magnetic particles. Colloids and Surfaces B: Biointerfaces. 2013;109:236-243
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14
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The solvothermal synthesis of magnetic iron oxide nanocrystals and the preparation of hybrid poly(L-lactide)-polyethyleneimine magnetic particles

Stojanović, Zoran S.; Otoničar, Mojca; Lee, Jongwook; Stevanović, Magdalena; Hwang, Mintai P.; Lee, Hyi; Choi, Jonghoon; Uskoković, Dragan

(2013)

TY  - JOUR
AU  - Stojanović, Zoran S.
AU  - Otoničar, Mojca
AU  - Lee, Jongwook
AU  - Stevanović, Magdalena
AU  - Hwang, Mintai P.
AU  - Lee, Hyi
AU  - Choi, Jonghoon
AU  - Uskoković, Dragan
PY  - 2013
UR  - http://dais.sanu.ac.rs/123456789/163
AB  - We report a simple and green procedure for the preparation of magnetic iron oxide nanocrystals via solvothermal synthesis. The nanocrystal synthesis was carried out under mild conditions in the water–ethanol–oleic acid solvent system with the use of the oleate anion as a surface modifier of nanocrystals and glucose as a reducing agent. Specific conditions for homogenous precipitation achieved in such a reaction system lead to the formation of uniform high-quality nanocrystals down to 5 nm in diameter. The obtained hydrophobic nanocrystals can easily be converted to hydrophilic magnetic nanoparticles by being immobilized in a poly(l-lactide)–polyethyleneimine polymeric matrix. These hybrid nano-constructs may find various biomedical applications, such as magnetic separation, gene transfection and/or magnetic resonance imaging.
T2  - Colloids and Surfaces B: Biointerfaces
T1  - The solvothermal synthesis of magnetic iron oxide nanocrystals and the preparation of hybrid poly(L-lactide)-polyethyleneimine magnetic particles
SP  - 236
EP  - 243
VL  - 109
DO  - 10.1016/j.colsurfb.2013.03.053
ER  - 
@article{
author = "Stojanović, Zoran S. and Otoničar, Mojca and Lee, Jongwook and Stevanović, Magdalena and Hwang, Mintai P. and Lee, Hyi and Choi, Jonghoon and Uskoković, Dragan",
year = "2013",
url = "http://dais.sanu.ac.rs/123456789/163",
abstract = "We report a simple and green procedure for the preparation of magnetic iron oxide nanocrystals via solvothermal synthesis. The nanocrystal synthesis was carried out under mild conditions in the water–ethanol–oleic acid solvent system with the use of the oleate anion as a surface modifier of nanocrystals and glucose as a reducing agent. Specific conditions for homogenous precipitation achieved in such a reaction system lead to the formation of uniform high-quality nanocrystals down to 5 nm in diameter. The obtained hydrophobic nanocrystals can easily be converted to hydrophilic magnetic nanoparticles by being immobilized in a poly(l-lactide)–polyethyleneimine polymeric matrix. These hybrid nano-constructs may find various biomedical applications, such as magnetic separation, gene transfection and/or magnetic resonance imaging.",
journal = "Colloids and Surfaces B: Biointerfaces",
title = "The solvothermal synthesis of magnetic iron oxide nanocrystals and the preparation of hybrid poly(L-lactide)-polyethyleneimine magnetic particles",
pages = "236-243",
volume = "109",
doi = "10.1016/j.colsurfb.2013.03.053"
}
Stojanović, Z. S., Otoničar, M., Lee, J., Stevanović, M., Hwang, M. P., Lee, H., Choi, J.,& Uskoković, D. (2013). The solvothermal synthesis of magnetic iron oxide nanocrystals and the preparation of hybrid poly(L-lactide)-polyethyleneimine magnetic particles.
Colloids and Surfaces B: Biointerfaces, 109, 236-243. 
https://doi.org/10.1016/j.colsurfb.2013.03.053
Stojanović ZS, Otoničar M, Lee J, Stevanović M, Hwang MP, Lee H, Choi J, Uskoković D. The solvothermal synthesis of magnetic iron oxide nanocrystals and the preparation of hybrid poly(L-lactide)-polyethyleneimine magnetic particles. Colloids and Surfaces B: Biointerfaces. 2013;109:236-243
12
14
15

Facile Solvothermal Preparation of Monodisperse Gold Nanoparticles and Their Engineered Assembly of Ferritin–Gold Nanoclusters

Choi, Jonghoon; Park, Sungwook; Stojanović, Zoran S.; Han, Hyung-Seop; Lee, Jongwook; Seok, Hyun Kwang; Uskoković, Dragan; Lee, Kwan Hyi

(Elsevier, 2013)

TY  - JOUR
AU  - Choi, Jonghoon
AU  - Park, Sungwook
AU  - Stojanović, Zoran S.
AU  - Han, Hyung-Seop
AU  - Lee, Jongwook
AU  - Seok, Hyun Kwang
AU  - Uskoković, Dragan
AU  - Lee, Kwan Hyi
PY  - 2013
UR  - http://dais.sanu.ac.rs/123456789/343
AB  - Herein, we report a quick and simple synthesis of water-soluble gold nanoparticles using a HAuCl4 and oleylamine mixture. Oleylamine serves as a reduction agent as well as a stabilizer for nanoparticle surfaces. The particle sizes can be adjusted by modulating reaction temperature and time. Solvothermal reduction of HAuCl4 with oleylamine can be confirmed by measuring the product in Fourier transform infrared (FTIR) spectroscopy. The plasmon band shifting from yellow to red confirms a nanosized particle formation. Amide bonds on the surface of the nanoparticles formed hydrogen bonds with one another, resulting in a hydrophobic monolayer. Particles dispersed well in nonpolar organic solvents, such as in hexane or toluene, by brief sonication. Next, we demonstrated the transfer of gold nanoparticles into water by lipid capsulation using 1-myristoyl-2-hydroxy-sn-glycero-3-phosphocholine (MHPC), 1,2-distearoyl-sn-glycero-3-phosphoethanolamine-N-(methoxy polyethylene glycol)-2000 (DPPE-PEG2k), and 1,2-dioleoyl-sn-glycero-3-N-{5-amino-1-carboxypentyl}iminodiacetic acid succinyl nickel salt [DGS-NTA(Ni)]. The particle concentration can be obtained using an absorbance in ultraviolet–visible (UV–vis) spectra (at 420 nm). Instrumental analyses using transmission electron microscopy (TEM), energy-dispersive X-ray (EDX) analysis, dynamic light scattering (DLS), and FTIR confirmed successful production of gold nanoparticles and fair solubility in water. Prepared gold particles were selectively clustered via engineered ferritin nanocages that provide multiple conjugation moieties. A total of 5–6 gold nanoparticles were clustered on a single ferritin nanocage confirmed in TEM. Reported solvothermal synthesis and preparation of gold nanoclusters may serve as an efficient, alternate way of preparing water-soluble gold nanoparticles, which can be used in a wide variety of biomedical applications.
PB  - Elsevier
T2  - Langmuir
T1  - Facile Solvothermal Preparation of Monodisperse Gold Nanoparticles and Their Engineered Assembly of Ferritin–Gold Nanoclusters
SP  - 15698
EP  - 15703
VL  - 29
IS  - 50
DO  - 10.1021/la403888f
ER  - 
@article{
author = "Choi, Jonghoon and Park, Sungwook and Stojanović, Zoran S. and Han, Hyung-Seop and Lee, Jongwook and Seok, Hyun Kwang and Uskoković, Dragan and Lee, Kwan Hyi",
year = "2013",
url = "http://dais.sanu.ac.rs/123456789/343",
abstract = "Herein, we report a quick and simple synthesis of water-soluble gold nanoparticles using a HAuCl4 and oleylamine mixture. Oleylamine serves as a reduction agent as well as a stabilizer for nanoparticle surfaces. The particle sizes can be adjusted by modulating reaction temperature and time. Solvothermal reduction of HAuCl4 with oleylamine can be confirmed by measuring the product in Fourier transform infrared (FTIR) spectroscopy. The plasmon band shifting from yellow to red confirms a nanosized particle formation. Amide bonds on the surface of the nanoparticles formed hydrogen bonds with one another, resulting in a hydrophobic monolayer. Particles dispersed well in nonpolar organic solvents, such as in hexane or toluene, by brief sonication. Next, we demonstrated the transfer of gold nanoparticles into water by lipid capsulation using 1-myristoyl-2-hydroxy-sn-glycero-3-phosphocholine (MHPC), 1,2-distearoyl-sn-glycero-3-phosphoethanolamine-N-(methoxy polyethylene glycol)-2000 (DPPE-PEG2k), and 1,2-dioleoyl-sn-glycero-3-N-{5-amino-1-carboxypentyl}iminodiacetic acid succinyl nickel salt [DGS-NTA(Ni)]. The particle concentration can be obtained using an absorbance in ultraviolet–visible (UV–vis) spectra (at 420 nm). Instrumental analyses using transmission electron microscopy (TEM), energy-dispersive X-ray (EDX) analysis, dynamic light scattering (DLS), and FTIR confirmed successful production of gold nanoparticles and fair solubility in water. Prepared gold particles were selectively clustered via engineered ferritin nanocages that provide multiple conjugation moieties. A total of 5–6 gold nanoparticles were clustered on a single ferritin nanocage confirmed in TEM. Reported solvothermal synthesis and preparation of gold nanoclusters may serve as an efficient, alternate way of preparing water-soluble gold nanoparticles, which can be used in a wide variety of biomedical applications.",
publisher = "Elsevier",
journal = "Langmuir",
title = "Facile Solvothermal Preparation of Monodisperse Gold Nanoparticles and Their Engineered Assembly of Ferritin–Gold Nanoclusters",
pages = "15698-15703",
volume = "29",
number = "50",
doi = "10.1021/la403888f"
}
Choi, J., Park, S., Stojanović, Z. S., Han, H., Lee, J., Seok, H. K., Uskoković, D.,& Lee, K. H. (2013). Facile Solvothermal Preparation of Monodisperse Gold Nanoparticles and Their Engineered Assembly of Ferritin–Gold Nanoclusters.
LangmuirElsevier., 29(50), 15698-15703. 
https://doi.org/10.1021/la403888f
Choi J, Park S, Stojanović ZS, Han H, Lee J, Seok HK, Uskoković D, Lee KH. Facile Solvothermal Preparation of Monodisperse Gold Nanoparticles and Their Engineered Assembly of Ferritin–Gold Nanoclusters. Langmuir. 2013;29(50):15698-15703
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