-
Article
Mineralization of Shells of Emulsion Polyelectrolyte Microcapsules by Calcium Carbonate
The calcium-carbonate-induced mineralization of multilayer shells of emulsion capsules, formed using layer-by-layer assembly of polyelectrolytes, has been investigated. Optimal conditions for forming microcaps...
-
Article
Stabilization of Pickering Emulsions with Heteroaggregates of Detonation Nanodiamonds and SiO2 Nanoparticles
The stabilization of Pickering emulsions with mixtures of similarly or oppositely charged detonation nanodiamonds and silica nanoparticles has been studied. Dynamic light scattering has been employed to study ...
-
Article
Polyelectrolyte Microcapsules: On the Formation and Possibilities of Regulating Multilayer Structures
In this review, the principles of the formation of polyelectrolyte microcapsules by the layer-by-layer assembly method have been considered, the intermolecular interactions that take part in the systems have b...
-
Article
Release of TRITC-Dextran from Composite Microcapsules under the Influence of a Low-Frequency Alternating Magnetic Field
Composite microcapsules based on polyelectrolytes and nanoparticles of iron oxides are synthesized, and the release of encapsulated high-molecular dextran under the influence of a low-frequency alternating mag...
-
Article
Enzymatic Degradation of Capsules Based on Polyelectrolyte Polypeptide–Polysaccharide Complex for the Controlled Release of DNA
DNA-containing biodegradable microcapsules based on vaterite CaCO3 polycrystalline particles and polyelectrolyte complex polyarginine–dextran sulfate are obtained and characterized. The enzymatic degradation of t...
-
Article
The Possibilities of Modification of Particles Based on Lactide/Glycolide Copolymers by the Layer-by-Layer Adsorption of Polyelectrolytes for Designing the Tools for Targeted Drug Delivery
This review discusses the possibilities of the method of layer-by-layer adsorption of polyelectrolytes on colloidal particles used to design the tools for drug delivery and the studies of recent years on desig...
-
Article
Encapsulation of Oil Phases with Different Compositions into a Shell Composed of Nanoparticles of Natural Hydrothermal Silica and Polyelectrolyte Layers
Particles of natural hydrothermal nanosilica have been characterized, and the conditions of their self-organization have been chosen for the stabilization of oil-in-water emulsions with the use of a cationic s...
-
Article
Fabrication of Cylindrical Magnetic Nanoparticles for Functionalization of Polyelectrolyte Microcapsules
A problem of fabrication of magnetic polymer capsules for targeted drug delivery is considered. Magnetic nanoparticles are used in the problem under study. A method for fabrication of such particles involving ...
-
Article
The Influence of a Low-Frequency Magnetic Field on Polyelectrolyte Capsules with Magnetite Nanoparticles
Polyelectrolyte microcapsules have been prepared by successively adsorbing oppositely charged sodium polystyrenesulfonate and polyallylamine hydrochloride molecules on the surface of calcium carbonate colloid ...
-
Article
Controlling the Permeability of Polyelectrolyte Capsule Shells by Modifying Them with Haematin
The permeability of polyelectrolyte capsule shells is controlled by incorporating a natural hydrophobic pigment, haematin, into them via adsorption from an aqueous ammonia solution. The modification of capsule...
-
Article
Comparison of the Structural Features of Micron and Submicron Vaterite Particles and Their Efficiency for Intranasal Delivery of Anesthetic to the Brain
Nanostructured spherical calcium carbonate particles with average sizes of 3.8 µm and 550 nm have been fabricated. Optimal conditions for adsorption of central anesthetic loperamide on these particles are foun...
-
Article
Thermo-Induced Shrinking of “Dextran Sulfate/Polyarginine” Capsules with Magnetic Nanoparticles in the Shell
Polyelectrolyte capsules consisting of a combination of biodegradable polyelectrolytes, dextran sulfate/polyarginine, and magnetic nanoparticles have been prepared. The possibility of changing the sizes and mo...
-
Article
Immobilization of Photoditazine on Vaterite Porous Particles and Analysis of the System Stability in Model Media
In this paper, we present the results on immobilization of Photoditazine, the photosensitizer of the second generation, on vaterite (metastable modification of calcium carbonate) porous particles of two differ...
-
Article
Incorporation of Naphthalocyanine into Shells of Polyelectrolyte Capsules and Their Disruption under Laser Radiation
Different methods have been proposed for the incorporation of a dye, vanadyl tetra-5,14,23,32-phenyl-2,3-naphthalocyanine, into the shells of polyelectrolyte capsules. Capsule preparation conditions have been ...
-
Article
Pickering Emulsion Stabilized by Commercial Titanium Dioxide Nanoparticles in the Form of Rutile and Anatase
The possibility of obtaining direct Pickering emulsions by means of self-organization on the oil/water interface of commercial titanium dioxide by the structure modification of rutile and anatase is studied. T...
-
Article
Microcapsules Based on Pickering Emulsion and Polyelectrolyte Layers: Biomedical Applications
Microcapsules with shells of natural silica nanoparticles are obtained based on the Pickering emulsion and polyelectrolyte layers of chitosan and alginate. The stable emulsions are created by the stabilization...
-
Article
Interaction between polymer capsules with hydrophobic cores and a model cellular membrane at an air–water interface
Submicrocapsules have been prepared from diethylaminoethyl dextran and xanthan gum on oil cores by ultrasonic treatment. These capsules have been modified with poly-L-lysine via electrostatic adsorption. The b...
-
Article
Investigation of the dynamics of the interaction of metal particles with a Langmuir single layer upon an increase in the surface pressure
X-ray studies of dipalmitoylphosphatidylcholine (DPPC) single layers on the surface of a liquid provide detailed information on the interaction of metal particles with a single layer upon an increase in the su...
-
Article
A study of the interaction between polyelectrolyte-coated nanostructured CaCO3 particles and a stearic acid monolayer spread at the water/air interface
The influence of nanostructured CaCO3 particles, both uncoated and coated with a polyelectrolyte (poly(diallyldimethylammonium chloride), polyethyleneimine, fluorescein-5-isothiocyanate-labeled poly(allylamine hy...
-
Article
Preparation of pickering-emulsion-based capsules with shells composed of titanium dioxide nanoparticles and polyelectrolyte layers
A procedure has been proposed for the preparation of capsules with shells composed of titanium dioxide nanoparticles and polymers via the formation of Pickering emulsions (colloidosomes) followed by layer-by-l...
