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Article
Dielectric Properties of Nanocrystalline Tungsten Oxide in the Temperature Range of 223–293 K
The dielectric properties of nanocrystalline tungsten oxide are studied in the temperature range of 223–293 K and in the frequency range ν = 10–2–106 Hz. Powders of WO3 with particle sizes of 110, 150, and 200 nm...
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Article
Ultrasonic disintegration of tungsten trioxide pseudomorphs after ammonium paratungstate as a route for stable aqueous sols of nanocrystalline WO3
A new facile method is proposed for the preparation of aqueous sols of highly crystalline tungsten trioxide with a particle size of 60–150 nm, containing no organic stabilizers/surfactants. These sols possess...
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Article
Modeling of Magnetite Nanoparticles Behavior under Conditions of Microcirculation and Analysis of In Vivo Toxicity
The behavior of magnetite nanoparticles was studied in the cell chip microcapillaries. No aggregation of magnetite nanoparticles under conditions of long-term circulation was noted. Biodistribution and toxicit...
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Article
Сore–shell magnetite–gold nanoparticles: Preparing and functionalization by chymotrypsin
In this work we present the results of the synthesis of magnetite–gold nanoparticles with a core–shell structure. The preparation is carried out in several stages: synthesis of the core, coating with a gold sh...
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Article
Synthesis and characterization of PEG-silane functionalized iron oxide(II, III) nanoparticles for biomedical application
In this paper we report the synthesis, functionalization, and characterization of ferromagnetic iron oxide (II, III) nanoparticles with different shapes and sizes. Using a number of chemical methods, magnetite...
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Article
Synthesis and optimization of methods for the production of magnetite nanoparticles with different sizes and morphology for biological application
Herein we report on the synthesis, optimization of the synthetic procedure, functionalization, and characterization of cubic and spherical superparamagnetic magnetite nanoparticles. Spherical nanoparticles (16...
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Article
Development of bacteriochlorophyll a-based near-infrared photosensitizers conjugated to gold nanoparticles for photodynamic therapy of cancer
We report the synthesis and characterization of a new sulfur-containing derivative of bacteriochlorophyll a. The latter was isolated from biomass of the nonsulfur purple bacterium Rhodobacter capsulatus strain B1...
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Article
Synthesis of magnetite-gold nanoparticles with core-shell structure
Data on the synthesis of core-shell-type nanoparticles in which the core is magnetite and the shell is gold are summarized and systematized. Various approaches to the synthesis of the magnetic core and methods...