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  1. No Access

    Article

    Effect of Surface Modification with Cerium Oxide on the Transport Properties of Heterogeneous Anion Exchange Membranes MA-41

    Surface modification of heterogeneous MA-41 anion-exchange membranes with cerium oxide particles, including those with a surface functionalized with phosphoric acid groups, was carried out. The resulting compo...

    P. A. Yurova, I. A. Stenina, A. D. Manin… in Membranes and Membrane Technologies (2024)

  2. Article

    Open Access

    Pore Filled Ion-Conducting Materials Based on Track-Etched Membranes and Sulfonated Polystyrene

    Synthesis of proton-conducting materials based on track-etched membranes from polyvinylidene fluoride and sulfonated cross-linked polystyrene is described. The synthesis has been carried out by filling the por...

    D. V. Golubenko, P. A. Yurova, A. V. Desyatov… in Membranes and Membrane Technologies (2022)

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  3. No Access

    Article

    Effect of Sulfonation Conditions on Properties of Ion-Conducting Membranes Based on Polystyrene Grafted on Gamma-Irradiated Polyvinylidene Fluoride Films

    The process of heterogeneous sulfonation of a radiation-grafted copolymer of polystyrene and polyvinylidene fluoride depending on the reaction time and the type of sulfonating agent (chlorosulfonic acid or its...

    D. V. Golubenko, V. R. Malakhova, P. A. Yurova… in Membranes and Membrane Technologies (2022)

  4. No Access

    Article

    MF-4SC Membranes Modified by Polyaniline for Potentiometric Determination of Saccharin and Sodium Ions in Aqueous Solutions

    MF-4SC membranes have been modified by polyaniline (PANI) with the oxidative polymerization method. The influence of the method of obtaining hybrid membranes and the content of PANI in them on the value of IEC...

    T. S. Titova, P. A. Yurova, V. A. Kuleshova… in Membranes and Membrane Technologies (2021)

  5. No Access

    Article

    Improvement of ion conductivity and selectivity of heterogeneous membranes by sulfated zirconia modification

    Inorganic-organic composites based on the foil and standard RALEX® cation-exchange heterogeneous membranes (Mega a.s., Czech Republic) were prepared by in situ modification with sulfated zirconia (S-ZrO2). The co...

    I. A. Stenina, P. A. Yurova, L. Novak, A. R. Achoh… in Colloid and Polymer Science (2021)

  6. No Access

    Article

    Multisensory Systems Based on Nafion Membranes Modified by PEDOT for the Determination of Sulfacetamide in Aqueous Solutions and Pharmaceuticals

    Composite membrane materials based on Nafion-117 gradient modified by poly(3,4-ethylenedioxythiophene) (PEDOT) are prepared by in situ oxidative polymerization. 0.002 M and 0.01 M solutions of the monomer are ...

    T. S. Titova, P. A. Yurova, D. D. Evdokimova… in Membranes and Membrane Technologies (2020)

  7. No Access

    Article

    Potentiometric Sensors Based on Nafion Membranes Modified by PEDOT for Determining Procaine, Lidocaine, and Bupivacaine in Aqueous Solutions and Pharmaceuticals

    Hybrid materials based on perfluorinated sulfonic acid Nafion-type membranes and poly-3,4-ethylenedioxythiophene (PEDOT) with a gradient distribution of the latter along the film length were synthesized by in ...

    T. S. Titova, P. A. Yurova, T. S. Kolganova… in Journal of Analytical Chemistry (2020)

  8. No Access

    Article

    Dependence of the Transport Properties of Perfluorinated Sulfonated Cation-Exchange Membranes on Ion-Exchange Capacity

    The transport properties of ion-exchange membranes depend on many factors, primarily, on ion-exchange capacity and chemical composition. Therefore, the correlation of transport properties with a single particu...

    I. A. Prikhno, E. Yu. Safronova, I. A. Stenina… in Membranes and Membrane Technologies (2020)

  9. No Access

    Article

    The Effect of the Cation-Exchange Membranes MK-40 Modification by Perfluorinated Sulfopolymer and Ceria on Their Transport Properties

    Composite materials based on heterogeneous membranes MK-40 modified by a thin layer of homogeneous cation-exchange perfluorinated sulfo membrane MF-4SK doped with 2 and 5% ceria are prepared. The transport cha...

    P. A. Yurova, I. A. Stenina, A. B. Yaroslavtsev in Russian Journal of Electrochemistry (2020)

  10. No Access

    Article

    Hybrid membranes based on polybenzimidazoles and silica with imidazoline-functionalized surface, candidates for fuel cells applications

    Hybrid membranes were prepared by incorporating silica with propyl-imidazoline groups in polybenzimidazoles (phthalide-containing PBI or PBI based on 2,6- or 2,5-pyridinedicarboxylic acids). The influence effe...

    A.A. Lysova, P.A. Yurova, I.A. Stenina, I.I. Ponomarev, G. Pourcelly… in Ionics (2020)

  11. No Access

    Article

    Transport Properties of MF-4SK Membranes Doped with Sulfonated Zirconia

    Composite materials based on homogeneous perfluorinated MF-4SK cation-exchange membranes and sulfonated zirconia are obtained by in situ and casting methods. Their transport properties and gas-permeability are...

    P. A. Yurova, U. S. Aladysheva, I. A. Stenina… in Russian Journal of Electrochemistry (2019)

  12. No Access

    Article

    A Comparative Study of the Transport Properties of Homogeneous and Heterogeneous Cation-Exchange Membranes Doped with Zirconia Modified with Phosphoric Acid Groups

    Composite materials based on MF-4SK membranes (Plastpolimer, Russia), a membrane foil (Mega, Czech Republic), and phosphate-modified zirconia been synthesized; the transport properties of the composites in the...

    P. A. Yurova, I. A. Stenina, A. B. Yaroslavtsev in Petroleum Chemistry (2018)

  13. No Access

    Article

    Surface modification of zirconia with acid groups

    We have studied the effect of surface modification with acids and subsequent heat treatment on the properties of hydrous zirconia. It has been shown that surface modification with phosphate and sulfate groups ...

    D. V. Golubenko, P. A. Yurova, Yu. A. Karavanova, I. A. Stenina in Inorganic Materials (2017)

  14. No Access

    Article

    Synthesis and studies on the diffusion properties of MK-40 cation-exchange membranes modified with ceria

    A number of MK-40 cation-exchange membrane samples modified with ceria have been obtained. The membranes have been studied using a set of physicochemical methods, including impedance spectroscopy, scanning ele...

    P. A. Yurova, Yu. A. Karavanova, I. A. Stenina… in Nanotechnologies in Russia (2016)

  15. No Access

    Article

    Diffusion properties of heterogeneous zirconia-doped membranes with the functionalized surface

    A study was made of the properties of hybrid materials based on MK-40 heterogeneous membrane, MF-4SK homogeneous membrane, and zirconia with the functionalized surface. The ionic conductivity and diffusion par...

    P. A. Yurova, Yu. A. Karavanova… in Russian Journal of Inorganic Chemistry (2015)

  16. No Access

    Article

    Transport properties of asymmetric ion-exchange membranes based on MC-40, MF-4SC, and polyaniline

    Asymmetric membrane materials based on MC-40 membranes modified with a thin layer of MF-4SC perfluorinated ion exchangers with introduced polyaniline were obtained. The diffusion parameters of the resulting co...

    P. A. Yurova, Yu. A. Karavanova, Yu. G. Gorbunova… in Petroleum Chemistry (2014)

  17. No Access

    Article

    Diffusion characteristics of surface-modified ion-exchange membranes based on MK-40, MF-4SK, and polyaniline

    Asymmetric membrane materials based on MK-40 membranes modified with a thin layer of MF-4SK perfluorinated ion-exchange resins with incorporated polyaniline have been studied. The diffusion characteristics of ...

    P. A. Yurova, Yu. A. Karavanova, A. B. Yaroslavtsev in Petroleum Chemistry (2012)