A5023800351- Polymer Nanocomposites and Properties
- Adsorption, diffusion, and thermodynamic properties of materials
- Mesoporous Materials and Catalysis
- Polymer Surface Interaction Studies
- Polymer crystallization and properties
- Analytical Chemistry and Chromatography
- Surfactants and Colloidal Systems
- Medical and Biological Sciences
- Protein purification and stability
- Collagen: Extraction and Characterization
- Engineering Technology and Methodologies
- Nanoparticle-Based Drug Delivery
- Material Dynamics and Properties
- Protein Interaction Studies and Fluorescence Analysis
- Clay minerals and soil interactions
- Synthesis and properties of polymers
- Synthesis and Characterization of Heterocyclic Compounds
- Drug Solubulity and Delivery Systems
- Advanced Scientific Research Methods
- Building materials and conservation
- Lignin and Wood Chemistry
- Nanocomposite Films for Food Packaging
- Covalent Organic Framework Applications
- Freezing and Crystallization Processes
- Polymer Nanocomposite Synthesis and Irradiation
Chuiko Institute of Surface Chemistry
2010-2024
National Academy of Sciences of Ukraine
2004-2024
KTH Royal Institute of Technology
2021
National Academy of Sciences
2010
A series of new types composites (biopolymer–silica materials) are proposed as selective and effective adsorbents. procedure for the synthesis chitosan–nanosilica (ChNS) chitosan–silica gel (ChSG) using geometrical modification silica mechanosorption chitosan is applied. The highest adsorption efficiency was achieved at pH = 2, hence desirability modifications aimed stabilizing in such conditions. amount grew to 1.8 times capacity nanosilica-supported materials 1.6 gel-based composites....
The interfacial polymer in nanocomposites (PNCs) is widely believed to exhibit modified dynamics and structure, which are considered responsible for the improved PNC properties. Owing its high resolving power, broadband dielectric spectroscopy (BDS) one among most suitable tools studying dynamics. Here, BDS combined with differential scanning calorimetry (DSC), microscopy, infrared spectroscopy, thermally stimulated depolarization currents (TSDC) employed study low-molecular weight...
A series of poly(vinyl pyrrolidone) (PVP)/fumed silica powder samples were studied using adsorption, FT-IR and AFM methods. Mild treatment (293 K for several hours) PVP/A-300 with an added additional portion A-300 in a glass reactor (2 dm 3 ) mixer (> 500 rpm which provided the as pseudo-liquid state, PLS) led to redistribution (migration) PVP molecules between particles previously covered by free PVP. This time-dependent rearrangement adsorbed caused formation denser polymer layer at...
A series of nanosilica/AgI composites was synthesized by in situ reactions between silver nitrate and ammonium iodide deposited on the nanosilica surface using gas-phase solvate-stimulated mechanosorption modification (GSSMSM) under both dry wet conditions. The characterization materials performed X-ray diffraction (XRD), SEM/EDX (Scanning Electron Microscopy-Energy Dispersive X-ray), thermogravimetric (TGA) gas sorption methods. As a result nanosilica, bulk density samples medium increases...
Entero-vulnerosorbents based on geometrically modified (GM) fumed nanosilica and protein molecules (GM-nanosilica/human serum albumin systems) were characterized with a focus their surface, morphology, topography, thermal properties.
Methods of geometric and solvate-stymulated mechano-sorption-activated modification fumed nanosilica in the gaseous dispersion media were developed used to prepare functionalyzed nanofillers for polymeric systems. Non-volatile high- low-molecular weight compounds (such as polymers, organic bioactive compounds, inorganic salts) can be modifiers nanofillers.
The effect of concentration a solid phase and intensity mechanical action on the sedimentation stability aqueous dispersions nanosilica was studied. It shown that high adsorption activity regarding proteins remains practically unchanged for several years. such can be used as application sorbents in medical practice. As result conducted research industrial technology created production medicinals based form dispersions.
In this work, a role of the number free silanol groups at nanosilica surface (specific area S<sub>BET</sub> = 250 m<sup>2</sup>/g, initial amount silanols α<sub>ОН</sub> 0.60-0.62 mmol/g) was analyzed in interaction with poly(vinyl pyrrolidone) (PVP) vs. degree (Q<sub>TMS</sub>) silica hydrophobization by hexamethyldisilazane 100 <sup>o</sup>C. The value Q<sub>TMS</sub> 0.07, 0.42, 0.67, 0.81, 0.82, and 1.0. Adsorption...
Розглянуто фармакологічні властивості і принципи застосування ентеросорбентів на основі високодисперсного нанорозмірного кремнезему. З аналізу літератури зроблено висновок, що найбільш ефективним ентеросорбції буде у випадку інфекційних захворювань, оскільки вони характеризуються високим рівнем інтоксикації. Показано, нанорозмірний кремнезем характеризується найбільшою сорбційною активністю щодо білків, тому він є перспективною речовиною для створення нових сорбційних препаратів. Описано...