Registration Number
0225U003562,
(0122U001973)
, R & D reports
Title
Radiation functionalization of electrical conductivity and conjugation in polymer systems with nanoadditives
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Дослідження радіаційно функціоналізованих плівок нанокомпозитів поліетиленгліколю з вуглецевими нанотрубками та його розчинів з антиоксидантними ліками, допованих оксидами графену.
Head
Kulish Mykola Р., Доктор фізико-математичних наук
Registration Date
14-07-2025
Organization
Taras Shevchenko National University of Kyiv
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Establishment of physicochemical mechanisms of radiation functionalization of electrical conductivity and conjugation of dopant-modified polymer systems. Radiation functionalization of polymeric nanocomposites based on polypyrrole (polyaniline), polyamide, polyethylene glycol filled with multiwall carbon nanotubes with addition of polymer matrices methylene blue, graphite nanocrystallites, graphene oxides is provided. Concentration and dose dependences of direct current conductivity will be studied for these functionalized nanocomposites. Conjugate studies will be performed for polyethylene glycol polymer composites with graphene oxide doping nanoparticles and antioxidant drugs to identify the mechanisms of blocking transmembrane proteins responsible for the penetration of coronavirus antigens into cells.
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Relevance: While the efforts of researchers in the field of polymer physics are mainly focused on the synthesis of polymer composites with external electrical conductivity, including due to carbon nanofillers, the idea of this project is the need to find ways to improve the internal electrical conductivity of polymer matrices. Despite the significant potential for the application of polymers in biomedicine, in particular in the creation of prodrugs, their transport, the physicochemical mechanisms of the role of polymers, the relationship between physical properties and the conditions of their conjugation with biomaterials and drugs has been little studied. The goal is to establish the physicochemical mechanisms of radiation functionalization of electrical conductivity and conjugation of polymer systems modified by dopants. The idea of the project is to study the influence on the physicochemical properties of polymer composites not only of carbon fillers (nanotubes), but also of modifiers (additives) of the polymer matrix and radiation functionalization of such materials. Hypotheses: It is assumed that, in contrast to percolation phenomena caused by the introduction of fillers, the main mechanism of increasing electrical conductivity in polymer matrices with dopants will be a hopping mechanism associated with the emergence of phonon bound states of charge carriers (polarons, bipolarons). The emergence of such states is primarily realized in π-conjugated polymers. These states can also play an important role in the conjugation of modified polymers with biomaterials and drugs, especially due to radiation functionalization of such systems.
Product Description
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Busko Tetiana O.
Dmytrenko Oksana P.
Misiura Andrii I.
Naumenko Antonina P.
Onanko Anatolii P.
Pinchuk-Ruhal Tetiana M.
Cherevko Kostiantyn V.
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2025-07-14
