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Browsing by Author "Gorbachuk V."

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Configuration effect of the tert-butylthiacalix[4]arene tetracarboxy derivative on its receptor properties toward vaporous organic compounds

Safina G.; Ziganshin M.; Stoikov I.; Antipin I.; Gorbachuk V. (2009)

The effect of carboxy groups and the stable conformation of tert-butylcalix[4]arenes containing four carboxymethoxy substituents at the lower rim on their receptor properties toward organic substances and water was studied ...
Determination of adsorption isotherms of organic compounds on human serum albumin by static headspace gas-chromatographic analysis

Gorbachuk V.; Solomonov B. (1996)

A procedure is suggested for determination of adsorption isotherms of organic compounds on a protein via the procedure of static headspace gas-chromatographic analysis. With this technique, the n-propanol and n-undecane ...
Effect of the Polarizability of Organic Compounds on Isotherms of Sorption of Their Vapors with Solid tert-Butylcalix[4]arene

Gorbachuk V.; Tsifarkin A.; Antipin I.; Solomonov B.; Konovalov A. (1998)

The stoichiometry and free energy of formation of saturated solid host-guest complexes were determined from the sorption isotherms of the vapors of organic compounds of various classes with solid tert-butylcalix[4]arene ...
Estimation of the adsorption capacity of oil-bearing rocks: A method and its prospects

Yusupova T.; Romanova U.; Gorbachuk V.; Muslimov R.; Romanov G. (2002)

The adsorption capacity of natural cores of the oil-bearing rocks has been studied by using vapor-phase gas chromatography (statistical method). The thermodynamic parameters of sorption of reservoir rocks (dried, after ...
Hybrid multicyclophanes based on thiacalix[4]arene and pillar[5]arene: Synthesis and influence on the formation of polyaniline

Shurpik D.; Yakimova L.; Gorbachuk V.; Sevastyanov D.; Padnya P.; Bazanova O.; Rizvanov I.; Stoikov I. (2018)

© 2018 the Partner Organisations. For the first time, fragments of a pillar[5]arene were spatially preorganized with a thiacalix[4]arene core in a single multimacrocyclic structure. It was shown that the synthesized hybrid ...
Lactic acid copolyesters with carboxyl derivatives of p-tert-butylthiacalix[4]arene: synthesis and effect of macrocycle conformation on the physicochemical properties

Vavilova A.; Gorbachuk V.; Shurpik D.; Padnya P.; Gerasimov A.; Mostovaya O.; Stoikov I. (2019)

© 2019, Springer Science+Business Media, Inc. An approach to p-tert-butylthiacalix[4]arene derivatives functionalized with lactic acid fragments in three conformations (cone, partial cone, 1,3-alternate) was developed. The ...
Macrocycle-based oligo- and polylactides: synthesis and prospects of application

Stoikov I.; Padnya P.; Mostovaya O.; Vavilova A.; Gorbachuk V.; Shurpik D.; Evtugin G. (2019)

© 2019, Springer Science+Business Media, Inc. The review considers methods for modifying oligo- and polymers of lactic acid by macrocyclic moieties (cyclodextrin, tetrapyrrole, and calixarene) and the effect of modifiers ...
MALDI-TOF MS and Morphology Studies of Thiacalixarene-Silsesquioxane Products of Oligo- and Polycondensation

Gorbachuk V.; Yakimova L.; Vavilova A.; Ziatdinova R.; Rizvanov I.; Trifonov A.; Samohina A.; Evtugyn V.; Stoikov I. (2014)

© 2014, Springer Science+Business Media Dordrecht. For the first time condensed silsesquioxane derivatives of tetratrialkoxysilyl compounds have been characterized by MALDI-TOF mass spectrometry. Tetrasubstituted p-tert-butyl ...
Modification of Oligo- and Polylactides With Macrocyclic Fragments: Synthesis and Properties

Mostovaya O.; Gorbachuk V.; Padnya P.; Vavilova A.; Evtugyn G.; Stoikov I. (2019)

© Copyright © 2019 Mostovaya, Gorbachuk, Padnya, Vavilova, Evtugyn and Stoikov. Products of lactic acid polycondensation (poly- and oligolactic acids) are widely used as packaging materials, drug delivery agents, implants ...
Modification of oligolactic acid with tetracarboxylic p-tert-butylthiacalix[4]arene derivatives: Effect of macrocyclic fragment configuration on aggregation and thermal properties of copolyesters

Gorbachuk V.; Mostovaya O.; Evtugyn V.; Osin Y.; Rizvanov I.; Gerasimov A.; Stoikov I. (2017)

© ISUCT Publishing. A novel approach to modification of oligolactic acid with three stereoisomers (cone, partial cone, 1,3-alternate) of p-tert-butylthiacalix[4]arene carboxylate derivatives has been developed. Using ...
Morphology and structure of phenothiazine oligomers: Synthesis and effects of oxidants

Khadieva A.; Gorbatova P.; Gorbachuk V.; Latypov R.; Stoikov I. (2019)

© 2019 Author(s). Phenothiazine oligomers were synthesized by oxidative oligomerization. Optimal reaction conditions were found: phenothiazine reacts with ammonium persulfate and silver (I), nickel (II), copper (II), and ...
Phenyliminophenothiazine based self-organization of polyaniline nanowires and application as redox probe in electrochemical sensors

Khadieva A.; Gorbachuk V.; Evtugyn G.; Belyakova S.; Latypov R.; Drobyshev S.; Stoikov I. (2019)

© 2019, The Author(s). Synthesis and application of nanostructured materials applicable in the assembly of electrochemical sensors is one of the important trends in material sciences and analytical chemistry. In this work, ...
Silica Nanoparticles with Proton Donor and Proton Acceptor Groups: Synthesis and Aggregation

Gorbachuk V.; Yakimova L.; Mostovaya O.; Bizyaev D.; Bukharaev A.; Antipin I.; Konovalov A.; Zharov I.; Stoikov I. (2011)

The effects of precursor structure and polycondensation conditions on the properties of hybrid nanoparticles synthesized from organo-trimethoxysilanes were studied. Hybrid nanoparticles containing groups capable of forming ...
Solvation of Aliphatic Ketones in a Carbon Tetrachloride-Acetonitrile Mixture. Comparison of Calorimetric and IR spectral Methods

Novikov V.; Stolov A.; Gorbachuk V.; Solomonov B. (1996)

The enthalpies of dissolution of hexane, acetone, butanone, and 2-octanone and also the absorption frequencies of the carbonyl groups of the above-listed ketones in a series of carbon tetrachloride -acetonitrile mixtures ...
Sorption of hydrocarbons by leached chernozem

Breus I.; Mishchensko A.; Neklyudov S.; Breus V.; Gorbachuk V. (2003)

The sorption of n-octane, n-nonane, n-decane, decalin, and p-xylene on oven-dried and differently wetted leached chemozem, zeolite-bearing rock, and limestone was studied using static headspace-gas chromatography. It was ...
Stabilization of silica nanoparticles dispersions by surface modification with silicon derivative of thiacalix[4]arene

Gorbachuk V.; Ziatdinova R.; Evtugyn V.; Stoikov I. (2015)

© 2015, Springer Science+Business Media Dordrecht. For the first time, silica nanopowder functionalized with thiacalixarene derivatives was synthesized by ultrasonication of nanoparticles (diameter 23.7 ± 2.4 nm) with ...
Synthesis and interaction with model DNA of polyaniline and poly[N-(2-hydroxyethyl)aniline]

Khadieva A.; Gorbachuk V.; Latypov R.; Stoikov I. (2019)

© 2019 Kazan Federal University. All Rights Reserved. The associates of conjugated polymers with biopolymers offer an attractive basis for creating bioelec-trosensors and biointerfaces. Nanostructured materials based on ...
Synthesis of hybrid nano- and microsized particles on the base of colloid silica and thiacalix[4]arene derivatives

Stoikov I.; Vavilova A.; Badaeva R.; Gorbachuk V.; Evtugyn V.; Sitdikov R.; Yakimova L.; Zharov I. (2013)

Two approaches to controlled synthesis of the organo-inorganic materials obtained by one- and two-stage surface modification of nanosized silica particles by p-tert-butyl thiacalix[4]arene derivatives have been developed ...
Synthesis of Macrocyclic Stereoisomers Substituted with Oligolactide Fragments

Gorbachuk V.; Padnya P.; Stoikov I. (2018)

© 2018, Pleiades Publishing, Ltd. Acylation of cone and 1,3-alternate stereoisomers of hydrazides of p-tert-butylthaicalix[4]arene tetrasubstituted at the lower rim with S,S-lactide in dimethylsulfoxide has afforded the ...
Synthesis of tris-pillar[5]arene and its association with phenothiazine dye: Colorimetric recognition of anions

Khadieva A.; Gorbachuk V.; Shurpik D.; Stoikov I. (2019)

© 2019 by the authors. A multicyclophane with a core based on tris(2-aminoethyl)amine (TREN) linked by amide spacers to three fragments of pillar[5]arene was synthesized. The choice of the tris-amide core allowed the ...

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