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Molecules 2016, 21(12), 1689; doi:10.3390/molecules21121689

Methotrexate and Cytarabine—Loaded Nanocarriers for Multidrug Cancer Therapy. Spectroscopic Study

Department of Materials Chemistry and Chemical Technology, Institute of Chemistry, University of Silesia, 40-006 Katowice, Poland
Department of Synthesis Chemistry, Institute of Chemistry, University of Silesia, 40-006 Katowice, Poland
Department of Organic Chemistry, Institute of Chemistry, University of Silesia, 40-006 Katowice, Poland
Center for Translational Research and Molecular Biology of Cancer, Maria Skłodowska-Curie Memorial Cancer Center and Institute of Oncology, Gliwice Branch, 44-100 Gliwice, Poland
Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Comenius University, 832 32 Bratislava, Slovakia
Authors to whom correspondence should be addressed.
Academic Editor: Atanas G. Atanasov
Received: 30 September 2016 / Revised: 17 November 2016 / Accepted: 30 November 2016 / Published: 8 December 2016
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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). View Full-Text
Keywords: delivery systems; cytarabine; methotrexate delivery systems; cytarabine; methotrexate

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Pentak, D.; Kozik, V.; Bąk, A.; Dybał, P.; Sochanik, A.; Jampilek, J. Methotrexate and Cytarabine—Loaded Nanocarriers for Multidrug Cancer Therapy. Spectroscopic Study. Molecules 2016, 21, 1689.

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