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Tytuł: Methotrexate and cytarabine - loaded nanocarriers for multidrug cancer therapy : spectroscopic study
Autor: Pentak, Danuta
Kozik, Violetta
Bąk, Andrzej
Dybał, Paulina
Sochanik, Aleksander
Jampilek, Josef
Słowa kluczowe: Cytarabine; Delivery systems; Methotrexate
Data wydania: 2016
Źródło: Molecules (Basel), vol. 21, iss. 12 (2016), art. 1689
Abstrakt: Determining the properties of nanoparticles obtained by novel methods and defining the scope of their application as drug carriers has important practical significance. This article presents the pioneering studies concerning high degree incorporation of cytarabine (AraC) and methotrexate (MTX) into liposome vesicles. The main focus of this study were cytarabine-methotrexate-dipalmitoylphosphatidylcholine (DPPC) interactions observed in the gel and fluid phases of DPPC bilayers. The proposed new method of use the Transmittance2919/2850 ratio presented in our research is sensitive to subtle changes in conformational order resulting from rotations, kinks and bends of the lipid chains. The transition temperatures characterized by Fourier Transform Infrared Spectroscopy (FT-IR) were consistent with the results obtained by Differential Scanning Calorimetry (DSC). Transmission Electron Microscopy (TEM) was used in order to determine the size and shape of the liposomes obtained. The mutual interactions occurring between the drugs studied and the phospholipids were analyzed using the Nuclear Magnetic Resonance (NMR).
DOI: 10.3390/molecules21121689
ISSN: 1420-3049
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