Kazan (Volga region) Federal University, KFU
KAZAN
FEDERAL UNIVERSITY
 
FORMATION OF COOPERATIVE AMIDOAMINOCALIXRESORCINARENE – METHOTREXATE NANOSIZED AGGREGATES IN AN AQUEOUS SOLUTION AND ON THE SURFACE OF GOLD NANOPARTICLES
Form of presentationArticles in international journals and collections
Year of publication2018
Языканглийский
  • Ermakova Alina Marselovna, author
  • Konovalov Aleksandr Ivanovich, author
  • Morozova Yuliya Ernestovna, author
  • Shalaeva Yana Viktorovna, author
  • Kadirov Marsil Kakhirovich, author
  • Kazakova Ella Khatibovna, author
  • Nizameev Irek Rashatovich, author
  • Syakaev Viktor Vasilevich, author
  • Bibliographic description in the original language Shalaeva Ya.V., Formation of cooperative amidoaminocalixresorcinarene – methotrexate nanosized aggregates in an aqueous solution and on the surface of gold nanoparticles. // Shalaeva Ya.V., Morozova Ju. E., Syakaev V. V., Ermakova A. M., Nizameev I. R., Kadirov M. K., Kazakova E. Kh., Konovalov A. I. // Supramol. Chem. – 2018. – V. 30. – P. 901-910. DOI: 10.1080/10610278.2018.1467015
    Annotation Cooperative nanoscale associates of amido(dimethylamino) calixresorcinarenes with pentyl (C5) and undecyl (C11) substituents on lower rim with antitumor drug-methotrexate (MTX) in aqueous solution and on the surface of gold nanoparticles C5@Au and C11@Au were formed. The formation of nanoparticles was investigated by 1 H NMR, NMR FT-PGSE, 2D NOESY, DLS, TEM, spectrophotometry, fluorimetry. It was found that during the interaction of C5 or C11 macrocycles with MTX in aqueous solution, the latter generates dissociation of macrocycles self-associates with formation of cooperative macrocycle–MTX associates of smaller size due to multiple non-covalent interactions, which leads to increase in fluorescence intensity of MTX. In contrast, binding of MTX by macrocyclic associates preorganized as bilayer on surface of gold nanoparticles through electrostatic interactions induces aggregation of C5@Au-MTX or C11@Au-MTX associates, which results in quenching of MTX fluorescence in solution. Such particles have possible potential in the field of binding and delivery of antitumor drugs.
    Keywords calixresorcinarene, supramolecular aggregates, gold nanoparticles, methotrexate
    The name of the journal Supramolecular Chemistry
    URL https://www.tandfonline.com/doi/full/10.1080/10610278.2018.1467015
    Please use this ID to quote from or refer to the card https://repository.kpfu.ru/eng/?p_id=241484&p_lang=2

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