Zobrazeno 1 - 10
of 19
pro vyhledávání: '"M. Kačenka"'
Autor:
D. P. Kozlenko, E. V. Lukin, B. N. Savenko, Sergey E. Kichanov, Z. Jirák, Ondřej Kaman, N.M. Belozerova, M. Kačenka
Publikováno v:
Journal of Alloys and Compounds. 646:998-1003
The crystal and magnetic structure of nanostructured manganites La 0.63 Sr 0.37 MnO 3 and La 0.72 Sr 0.28 MnO 3 has been studied by means of a neutron diffraction method in the pressure range 0–4.5 GPa and the temperature range 5–300 K. In both s
Autor:
Pavel Veverka, Miroslav Maryško, Z. Jirák, M. Veverka, Ondřej Kaman, S. Vratislav, M. Kačenka
Publikováno v:
Journal of Solid State Chemistry. 221:364-372
Series of single-phase La{sub 1−x}Sr{sub x}MnO{sub 3} nanoparticles (x=0.25−0.47) with the size of about 50 nm was prepared in molten NaNO{sub 2}. TEM evidenced well dispersed particles that are not interconnected by sintering bridges in contrast
Autor:
Ondrej Kaman, K. Zacharovova, Zuzana Berková, Zuzana Kotková, Ivan Rehor, Daniel Jirák, Ivan Lukeš, Milan Hájek, M. Kačenka, Frantisek Saudek, Jan Kotek
Publikováno v:
ChemMedChem
ChemMedChem; Vol 8
ChemMedChem; Vol 8
Three magnetic resonance (MR)/fluorescence imaging probes were tested for visualization, cellular distribution, and survival of labeled pancreatic islets in vitro and following transplantation. As T(1) contrast agents (CAs), gadolinium(III) complexes
Autor:
Pavla Jendelova, Pavel Veverka, Daniel Jirák, Ivan Lukeš, K. Zacharovova, Lukáš Falteisek, M. Kačenka, Emil Pollert, Jan Černý, Jan Kotek, Ondřej Kaman, Jaroslav Kupčík, Zuzana Berková, Vít Herynek
Publikováno v:
J. Mater. Chem.. 21:157-164
The present study reveals the potential of magnetic nanoparticles based on the La0.75Sr0.25MnO3 perovskite manganite for magnetic resonance imaging (MRI). Moreover, it describes the development of the dual imaging probe where the magnetic cores are c
Autor:
Martin Burian, Pavel Veverka, Ondřej Kaman, Vít Herynek, P Kašpar, K. Závěta, Miroslav Maryško, Pavla Jendelova, Ivan Lukeš, Emil Pollert, M. Veverka, M. Kačenka
Publikováno v:
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences. 368:4389-4405
Core–shell nanoparticles consisting of La 0.75 Sr 0.25 MnO 3 cores covered by silica were synthesized by a procedure consisting of several steps, including the sol–gel method in the presence of citric acid and ethylene glycol, thermal and mechani
Autor:
Ondřej Kaman, Zdeněk Jirák, Frédéric Chaput, Soňa Kikerlová, Sophie Laurent, Daniel Jirák, M. Kačenka, Vít Herynek, Jan Černý, Barbora Pavlů, Ivan Lukeš
Publikováno v:
Journal of Colloid and Interface Science
Journal of Colloid and Interface Science, 2015, 447, pp.97-106. ⟨10.1016/j.jcis.2015.01.071⟩
Journal of Colloid and Interface Science, Elsevier, 2015, 447, pp.97-106. ⟨10.1016/j.jcis.2015.01.071⟩
Journal of Colloid and Interface Science, 2015, 447, pp.97-106. ⟨10.1016/j.jcis.2015.01.071⟩
Journal of Colloid and Interface Science, Elsevier, 2015, 447, pp.97-106. ⟨10.1016/j.jcis.2015.01.071⟩
International audience; Novel synthetic approaches for the development of multimodal imaging agents with high chemical stability are demonstrated. The magnetic cores are based on La0.63Sr0.37MnO3 manganite prepared as individual grains using a flux m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cb27c018d679304a3807a9cb8a4c1d5b
https://hal.science/hal-01234414
https://hal.science/hal-01234414
Autor:
M. Kačenka, Pavel Veverka, E. Šantavá, Miroslav Veverka, Vít Herynek, Z. Jirák, Ondřej Kaman, Ivan Lukeš
Publikováno v:
Journal of Nanoparticle Research. 17
Magnetic nanoparticles of the La1−x Sr x MnO3 perovskite phase (x = 0.20–0.45) were synthesized by a sol–gel method followed by thermal and mechanical treatments. The particles were coated with a uniform silica shell, and differential centrifug
Autor:
M. Kačenka, S. Vratislav, Pavel Žvátora, Ivan Lukeš, Ondřej Kaman, Miroslav Maryško, Z. Jirák
Publikováno v:
Journal of Applied Physics. 115:17B525
Single phase La1−xSrxMnO3 nanoparticles (x = 0.18 − 0.37) are prepared by a novel way in molten NaNO2 at 500 °C. Their rhombohedral perovskite structure is confirmed by XRD patterns and exact chemical composition is determined by XRF (X-ray fluo
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Akademický článek
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