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Wyszukujesz frazę "Gazova, Z." wg kryterium: Autor


Wyświetlanie 1-3 z 3
Tytuł:
Presence of Magnetic Fluids Leads to the Inhibition of Insulin Amyloid Aggregation
Autorzy:
Gazova, Z.
Siposova, K.
Koneracka, M.
Antosova, A.
Zavisova, V.
Kubovcikova, M.
Fedunova, D.
Bagelova, J.
Tomasovicova, N.
Daxnerova, Z.
Kopcansky, P.
Powiązania:
https://bibliotekanauki.pl/articles/1429102.pdf
Data publikacji:
2012-05
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
87.14.em
47.65.Cb
87.85.jj
Opis:
Insulin amyloid aggregation caused serious problems in the treatment of diabetes by insulin injection or by insulin pumps. In vitro formation of insulin amyloid fibrils was investigated in presence of several types of magnetic fluids. Interaction of magnetic fluids with insulin amyloid aggregates led to decrease of insulin fibrillization. The inhibiting activities are affected by coating layer of studied magnetic fluids as well as by their physical properties (diameter, concentration of magnetic particles). The highest inhibiting efficiencies were detected for sterically stabilized magnetic fluids in saline solution (75%) and for magnetic fluids modified by dextran (80%).
Źródło:
Acta Physica Polonica A; 2012, 121, 5-6; 1305-1307
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Characterization of $Fe_3O_4$ Magnetic Nanoparticles Modified with Dextran and Investigation of Their Interaction with Protein Amyloid Aggregates
Autorzy:
Koneracká, M.
Antošová, A.
Závišová, V.
Lancz, G.
Gažová, Z.
Šipošová, K.
Juríková, A.
Csach, K.
Kováč, J.
Tomašovičová, N.
Fabián, M.
Kopčanský, P.
Powiązania:
https://bibliotekanauki.pl/articles/1535048.pdf
Data publikacji:
2010-11
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
75.50.Mm
87.14.em
87.19.xr
Opis:
Functionalised magnetic nanoparticles composed of $Fe_3O_4$ particles stabilised by sodium oleate and subsequently modified with dextran (MFDEX) were prepared by the co-precipitation method. Their morphology and particle size distribution were observed by scanning electron microscopy and photon cross correlation spectroscopy. In order to confirm the modification of magnetite surface with dextran physical techniques, including infrared spectroscopy, thermal analysis, and magnetic measurement, were used. Finally, the effect of MFDEX on amyloid fibrillar aggregates of human insulin and hen egg white lysozyme, typical amyloidogenic proteins, was investigated. In vitro interaction of MFDEX with protein amyloid fibrils resulted into destruction of amyloid aggregates. The anti-amyloid activity makes MFDEX of potential interest as therapeutic agent against amyloid-related diseases.
Źródło:
Acta Physica Polonica A; 2010, 118, 5; 983-985
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dielectric Properties of Lyotropic Magnetic Liquid Crystal
Autorzy:
Kopčanský, P.
Tomčo, L.
Jadzyn, J.
Swiergiel, J.
Majorošová, J.
Kubovčíková, M.
Timko, M.
Rajňák, M.
Šipošová, K.
Gažová, Z.
Bednariková, Z.
Hu, Chin-Kun
Hayryan, S.
Studenyak, I.
Kovalchuk, T.
Kovalchuk, O.
Powiązania:
https://bibliotekanauki.pl/articles/1387983.pdf
Data publikacji:
2015-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
61.30.Gd
61.30.St
75.50.Mm
Opis:
An important feature of lyotropic liquid crystals is the self-assembly of the amphiphilic molecules as supermolecular structures. We have studied the formation of nematic liquid crystal phase in solutions containing lysozyme amyloid fibrils and magnetic nanoparticles using oscilloscopic method. Interaction of fibrils with magnetic nanoparticles under the external magnetic field resulted in fibril re-arrangement. The analysis of the obtained results suggests that the decrease in conductivity of solutions in presence of magnetic field is due to decrease of the ion mobility caused by re-arrangement of structures in the solution. The obtained results allow determination of the optimum ratio of the components which can lead to preparation of solutions with a more ordered structure in presence of magnetic field.
Źródło:
Acta Physica Polonica A; 2015, 127, 2; 632-634
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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